CN112759159A - Turbulent air-floating filtering electric cation-eliminating three-in-one treatment device - Google Patents
Turbulent air-floating filtering electric cation-eliminating three-in-one treatment device Download PDFInfo
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- CN112759159A CN112759159A CN202110151655.9A CN202110151655A CN112759159A CN 112759159 A CN112759159 A CN 112759159A CN 202110151655 A CN202110151655 A CN 202110151655A CN 112759159 A CN112759159 A CN 112759159A
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- 239000000463 material Substances 0.000 claims abstract description 60
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- 150000001768 cations Chemical class 0.000 claims abstract description 31
- 230000008030 elimination Effects 0.000 claims abstract description 18
- 238000003379 elimination reaction Methods 0.000 claims abstract description 18
- 238000005188 flotation Methods 0.000 claims abstract description 18
- 238000009296 electrodeionization Methods 0.000 claims abstract description 11
- 238000005201 scrubbing Methods 0.000 claims abstract description 8
- 238000001179 sorption measurement Methods 0.000 claims description 25
- 230000002776 aggregation Effects 0.000 claims description 23
- 238000004220 aggregation Methods 0.000 claims description 23
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- 230000008929 regeneration Effects 0.000 claims description 6
- 238000011069 regeneration method Methods 0.000 claims description 6
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a turbulent air flotation filtration and electro-deionization three-in-one treatment device, which comprises a coarse processor, a fine processor and a fine processor, wherein a lifting pump is connected with a liquid inlet of the coarse processor through a pipeline; the outlet of the coarse processor is connected with the inlet of the fine processor through a pipeline, and the outlet of the fine processor is connected with the liquid inlet pipe orifice of the fine processor through a pipeline; the treatment process flow is complete, the whole flow treatment of the oil field sewage can be independently completed, the oil and suspended matters in the oil field sewage are removed, the water quality is subjected to the electric cation elimination treatment, the cation content in the water quality is reduced, the scaling is prevented, the original scale layer is damaged, the corrosion of the water quality to equipment is slowed down, the dissolved oxygen content is reduced, and the harmful bacteria in the sewage are reduced; the filter material external circulation scrubbing can be realized, the back washing is thorough, only air and electricity are added in the operation process, no chemical is added, the environment is protected, the safety and no pollution are realized, the treatment effect is good, and the filter material external circulation scrubbing device can be widely used for oil field sewage oil removal and suspended matter removal polarization treatment.
Description
Technical Field
The invention relates to a turbulent air-flotation filtering and electro-deionization three-in-one treatment device, which is suitable for treating produced water of an oil field, in particular to treating high-condensation oil sewage, high-polymer sewage, high-sulfur sewage and high-iron-content sewage of the oil field, and can thoroughly improve the quality of reinjection water.
Background
The oil field is developed along with tertiary oil recovery, the oil field is injected and polymerized and the ternary drive is developed, the oil field sewage becomes more and more complex and is more and more difficult to treat, especially the ternary drive sewage, because the types of added chemical agents are more, the emulsification degree of water is high, the colloidal particles are small, the scaling and blockage are serious after alkali is added, and the standard reaching reinjection or the reuse standard is improved after the oil field is injected, the ternary drive, the measure waste liquid and the drilling waste liquid are difficult to treat, the treatment effect of the existing chemical method and biological method is poor, and the treated water quality is seriously overproof, so the oil field is regarded as the world water treatment problem.
Disclosure of Invention
The invention aims to provide a turbulent air flotation filtering and electro-deionization three-in-one treatment device to solve the technical problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
the turbulent air-flotation filtering electro-deionization cation three-in-one treatment device comprises a lift pump, a coarse processor, a fine processor and a fine processor, wherein the lift pump is connected with a liquid inlet of the coarse processor through a pipeline; the outlet of the coarse treater is connected with the inlet of the fine treater through a pipeline, and the outlet of the fine treater is connected with the liquid inlet pipe orifice of the fine treater through a pipeline.
As a further scheme of the invention, the device is also provided with a backwashing regeneration and filter material circulation system, the backwashing regeneration and filter material circulation system comprises a backwashing pump, a filter material circulation pump and a feeding tank, the inlet of the backwashing pump is connected with a backwashing incoming water pipeline, the outlet of the backwashing pump is connected with a coarse processor water outlet/backwashing water inlet dual-purpose port, a fine processor water outlet/backwashing water inlet dual-purpose port and a fine processor lower water outlet/backwashing water inlet dual-purpose port, the feeding port of the filter material circulation pump is connected with the discharging port of the coarse processor, the discharging port of the fine processor and the discharging port of the fine processor, the feeding port of the filter material circulation pump is also connected with the discharging port of the feeding tank, and the discharging port of the filter material circulation pump is connected with the feeding port of the coarse processor.
As a further scheme, the device is provided with an independent gas distribution system which comprises an air compressor and a gas storage tank, wherein a gas outlet of the air compressor is connected with a gas inlet of the gas storage tank, and a gas outlet of the gas storage tank is respectively connected with a feed liquid charging port of a coarse processor, a backwashing charging port of the coarse processor, a feed liquid charging port of a fine processor, a backwashing charging port of the fine processor, a feed liquid charging port of the fine processor and a backwashing gas charging port of the fine processor through a gas charging manifold.
As a further scheme of the invention, the coarse processor is of a vertical circular tank structure, and the inner part of the coarse processor comprises a coarse processor lower sieve plate, a coarse processor upper sieve plate, a coarse processor liquid inlet guide pipe, a coarse processor swirler, a coarse processor filter material, a coarse processor sludge discharge guide pipe and an inner cylinder bracket; an inner cylinder support is arranged in the center of a lower end enclosure of the rough processor, a rough processor vortex device is arranged on the inner cylinder support, a lower sieve plate is arranged outside the vortex device and close to the lower end enclosure, a rough processor liquid inlet pipe is arranged in a shell ring of the vortex device, a rough processor upper sieve plate is arranged above the liquid inlet pipe, a rough processor filter material is arranged in an annular space between the rough processor lower sieve plate and the rough processor upper sieve plate, a rough processor side manhole is arranged on the side portion of the lower end enclosure of the rough processor, and a rough processor sludge discharge pipe is arranged on the other side of the lower end enclosure of the rough processor; the bottom of the coarse processor is provided with a coarse processor bottom manhole, and the coarse processor bottom manhole is respectively provided with a water outlet/backwashing water inlet dual-purpose port and a coarse processor vent; the center of the top of the coarse processor is provided with a backwashing water outlet/oil receiving dual-purpose port of the coarse processor; a manhole on the coarse processor is arranged at the periphery of the backwashing water outlet/oil receiving dual-purpose port; the periphery of the lower end enclosure is provided with an electric cation water elimination processor.
As a further scheme of the invention, the fine processor is of a vertical circular tank structure, and the interior of the fine processor comprises a fine processor lower sieve plate, a fine processor upper sieve plate, a fine processor turbulence generator, a fine processor filter material and a fine processor adsorption aggregation filler; a fine processor lower sieve plate is arranged at the lower end enclosure of the fine processor, a fine processor upper sieve plate is arranged at the upper end enclosure, and fine processor filter material is arranged in an annulus between the fine processor lower sieve plate and the fine processor upper sieve plate; a fine processor turbulence generator is arranged above the upper sieve plate of the fine processor, and fine processor adsorption and aggregation fillers are arranged on the periphery of the fine processor turbulence generator; the bottom of the fine processor is provided with a fine processor bottom manhole, and the fine processor bottom manhole is respectively provided with a water outlet/backwashing water inlet dual-purpose port and a fine processor vent; the center of the top of the fine processor is provided with a water inlet/backwashing water outlet dual-purpose port; a manhole on the fine processor is arranged at the periphery of the water inlet/backwashing water outlet dual-purpose port, and an oil receiving/exhausting dual-purpose port is arranged on a pipe joint of the manhole on the fine processor; the periphery of the lower end enclosure of the fine processor is provided with an electric cation water elimination processor.
As a further scheme of the invention, the fine processor is of a vertical circular tank structure, and the inside of the fine processor comprises a fine processor lower sieve plate, a fine processor upper sieve plate, a fine processor turbulence generator, a fine processor filter element, a fine processor filter material and a fine processor adsorption aggregation filler; a fine processor lower sieve plate is arranged at the middle lower part of the cylinder body, a fine processor upper sieve plate is arranged at the upper end enclosure, and fine processor filter material is arranged in an annular space between the fine processor lower sieve plate and the fine processor upper sieve plate; a fine processor turbulence generator is arranged above the upper sieve plate of the fine processor, and fine processor adsorption and aggregation fillers are arranged on the periphery of the fine processor turbulence generator; a water and gas collecting dual-purpose device is arranged below the lower sieve plate of the fine treatment device, a fine treatment device filter element is arranged on the water and gas collecting dual-purpose device, and an upper water outlet/backwashing gas inlet dual-purpose port is formed in the barrel of the water and gas collecting dual-purpose device; the bottom of the fine processor is provided with a fine processor bottom manhole, and the fine processor bottom manhole is respectively provided with a lower water outlet/backwashing water inlet dual-purpose port and a fine processor vent; the center of the top of the processor is provided with a water inlet/backwashing water outlet dual-purpose port; a manhole on the fine processor is arranged at the periphery of the water inlet/backwashing water outlet dual-purpose port, and an oil receiving/exhausting dual-purpose port is arranged on a pipe joint of the manhole on the fine processor; an electric cation water elimination treater is arranged around an annulus between the lower sieve plate of the fine treater and the water and gas collecting and separating dual-purpose device.
As a further scheme of the invention, the cylinder body tangent of the rough processor, the fine processor and the fine processor is provided with a feeding pipe orifice, the other tangent of the other side is provided with a discharging pipe orifice, and the feeding pipe orifice is higher than the discharging pipe orifice; and a filter material circulating pump is also arranged and used for externally circulating and scrubbing the filter material during feeding and back flushing.
Compared with the prior art, the invention has the following advantages: the treatment process flow is complete, the whole flow treatment of the oil field sewage can be independently completed, the oil and suspended matters in the oil field sewage are removed, the water quality is subjected to the electric cation elimination treatment, the cation content in the water quality is reduced, the scaling is prevented, the original scale layer is damaged, the corrosion of the water quality to equipment is slowed down, the dissolved oxygen content is reduced, and the harmful bacteria in the sewage are reduced; the invention has the advantages of relatively simple flow, no addition of medicament, low operation cost, no secondary pollution, convenient mobile use and high intelligent degree because the main treatment device is a skid device. The filter material external circulation scrubbing can be realized, the back washing is thorough, only air and electricity are added in the operation process without adding chemicals, the environment is protected, the safety and the pollution are avoided, the treatment effect is good, the engineering investment and the operation cost are low, the management is convenient, and the method can be widely used for oil removal and suspended matter removal polarization treatment of oil field sewage.
Drawings
FIG. 1 is a floor plan of the present invention;
FIG. 2 is a piping diagram of the filter media circulation and backwash system of the present invention;
FIG. 3 is a plumbing diagram of the sewerage system of the present invention;
FIG. 4 is a piping diagram of the air distribution system of the present invention;
FIG. 5 is a view showing the internal structure of the integrated physical method oil field water treatment tank;
FIG. 6 is an internal structure view of the multifunctional integrated oil field water treatment tank;
FIG. 7 is a view showing the internal structure of the multifunctional integrated bond sewage fine treatment tank;
in the figure: 1. the system comprises a lift pump, 2 electric cation elimination water treatment devices, 3 rough treatment devices, 4 fine treatment devices, 5 fine treatment devices, 6 backwash pumps, 7 filter material circulating pumps, 8 feeding pools, 9 air compressors, 10 air storage tanks, 11 rough treatment device discharge ports, 12 rough treatment device water outlet/backwash water inlet dual-purpose ports, 13 rough treatment device feed ports, 14 fine treatment device feed ports, 15 fine treatment device water outlet/backwash water inlet dual-purpose ports, 16 fine treatment device discharge ports, 17 fine treatment device feed ports, 18 fine treatment device water outlet/backwash water inlet dual-purpose ports, 19 fine treatment device discharge ports, 20 feeding pool discharge ports, 21 rough treatment device vent ports, 22 fine treatment device vent ports, 23 fine treatment device vent ports, 24 rough treatment device liquid inlet and gas inlet ports, 25 rough treatment device gas inlet and gas outlet ports, 26 backwash gas storage tanks, 26 air storage tanks, 26 backwash gas inlet ports, 21 fine treatment device discharge ports, 22 fine treatment device vent ports, 23 fine treatment device vent ports, 24 coarse treatment device liquid inlet and 25 fine treatment device gas inlet ports, 27. The system comprises a gas storage tank, a fine processor liquid inlet and gas inlet, a fine processor backwashing gas inlet, a coarse processor side manhole, a 33 inner cylinder support, a 34 coarse processor lower sieve plate, a 35 coarse processor filter material, a 36 coarse processor vortex device, a 37 coarse processor liquid inlet guide pipe, a 38 coarse processor upper sieve plate, a 39 coarse processor backwashing water outlet/oil receiving dual-purpose port, a 40 coarse processor upper manhole, a 41 coarse processor sludge discharge guide pipe, a 42 coarse processor bottom manhole, a 43 fine processor lower sieve plate, a 44 fine processor filter material, a 45 fine processor upper sieve plate, a 46 fine processor adsorption and aggregation filler, a 47 fine processor turbulence generator, a 48 fine processor water inlet/backwashing water outlet dual-purpose port, a 49 fine processor upper manhole, a fine processor manhole, a coarse processor inlet and backwashing water outlet dual-purpose port, 50. The fine processor oil-collecting/exhausting dual-purpose port, 51 fine processor bottom manhole, 52 fine processor lower sieve plate, 53 fine processor filter material, 54 fine processor upper sieve plate, 55 fine processor adsorption and aggregation filler, 56 fine processor turbulence generator, 57 fine processor water-inlet/backwashing water-outlet dual-purpose port, 58 fine processor upper manhole, 59 fine processor oil-collecting/exhausting dual-purpose port, 60 fine processor upper water-outlet/backwashing air-inlet dual-purpose port, 61 fine processor filter element, 62 water-collecting and gas-distributing dual-purpose device, 63 fine processor bottom manhole.
Detailed Description
The invention is explained in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1-7, the turbulent air-flotation filtration and electro-deionization three-in-one treatment device comprises a lift pump (1), a rough treatment device (an integrated physical method oil field water treatment tank) 3, a fine treatment device 4 (a multifunctional integrated oil field water treatment tank) and a fine treatment device 5 (a multifunctional integrated bonding material sewage fine treatment tank), wherein the lift pump 1 is connected with a liquid inlet of the rough treatment device 3 through a pipeline; the outlet of the coarse processor 3 is connected with the inlet of the fine processor 4 through a pipeline, and the outlet of the fine processor 4 is connected with the liquid inlet pipe orifice of the fine processor 5 through a pipeline.
The device still is equipped with backwash regeneration and filter material circulation system, backwash regeneration and filter material circulation system include backwash pump 6, filter material circulating pump 7, add the feed tank 8, backwash pump 6's import and backwash incoming water pipe connection, backwash pump 6's export and coarse treater go out water/backwash dual-purpose mouth of intaking 12, fine treater goes out water/backwash and intakes dual-purpose mouth 15, go out water/backwash dual-purpose mouth of intaking 18 under the fine treater and link to each other, filter material circulating pump 7 feed inlet and coarse treater discharge gate 11, fine treater discharge gate 16, fine treater discharge gate 19 is connected, filter material circulating pump 7 feed inlet still is connected with the feed tank discharge gate 20 of feed tank 8, filter material circulating pump 7 discharge gate and coarse treater feed inlet 13, fine treater feed inlet 14, fine treater feed inlet 17 is connected.
The device is provided with an independent gas distribution system, which comprises an air compressor 9 and a gas storage tank 10, wherein the gas outlet of the air compressor 9 is connected with the gas storage tank gas inlet 27 of the gas storage tank 10, and the gas storage tank gas outlet 26 is connected with a feed liquid gas inlet 24 of a coarse processor, a backwashing gas inlet 25 of the coarse processor, a feed liquid gas inlet 28 of a fine processor, a backwashing gas inlet 29 of the fine processor, a feed liquid gas inlet 30 of the fine processor and a backwashing gas inlet 31 of the fine processor through a gas filling manifold respectively.
The coarse processor 3 is of a vertical circular tank structure, and comprises a coarse processor lower sieve plate 34, a coarse processor upper sieve plate 38, a coarse processor liquid inlet guide pipe 37, a coarse processor vortex device 36, a coarse processor filter material 35, a coarse processor sludge discharge guide pipe 41 and an inner cylinder support 33 inside; an inner cylinder support 33 is arranged in the center of a lower end enclosure of the rough processor 3, a rough processor vortex device 36 is arranged on the inner cylinder support, a lower sieve plate 34 is arranged outside the vortex device and close to the lower end enclosure, a rough processor liquid inlet guide pipe 37 is arranged in a vortex device cylinder section, a rough processor upper sieve plate 38 is arranged above the liquid inlet guide pipe, rough processor filter material 35 is arranged in an annular space between the rough processor lower sieve plate and the rough processor upper sieve plate, a rough processor side manhole 32 is arranged on the side portion of the lower end enclosure of the rough processor, and a rough processor sludge discharge guide pipe 41 is arranged on the other side of the lower end enclosure of the rough processor; the bottom of the rough processor 3 is provided with a rough processor bottom manhole 42, and the rough processor bottom manhole 42 is respectively provided with a water outlet/backwashing water inlet dual-purpose port 12 and a rough processor vent port 21; the center of the top of the crude processor 3 is provided with a backwashing water outlet/oil receiving dual-purpose port 39 of the crude processor; a coarse processor upper manhole 40 is arranged at the periphery of the backwashing water outlet/oil receiving dual-purpose port; the periphery of the lower end enclosure is provided with an electric cation water treatment device 2.
The fine processor 4 is of a vertical circular tank structure, and comprises a fine processor lower sieve plate 43, a fine processor upper sieve plate 45, a fine processor turbulence generator 47, a fine processor filter material 44 and a fine processor adsorption aggregation filler 46 inside; a fine processor lower sieve plate 43 is arranged at the lower end enclosure of the fine processor 4, a fine processor upper sieve plate 45 is arranged at the upper end enclosure, and a fine processor filter material 44 is arranged in an annular space between the fine processor lower sieve plate and the fine processor upper sieve plate; a fine processor turbulence generator 47 is arranged above the upper sieve plate of the fine processor, and fine processor adsorption and aggregation packing 46 is arranged at the periphery of the fine processor turbulence generator; the bottom of the fine processor is provided with a fine processor bottom manhole 51, and the fine processor bottom manhole is respectively provided with a water outlet/backwashing water inlet dual-purpose port 15 and a fine processor vent 22; the center of the top of the fine processor is provided with a water inlet/backwashing water outlet dual-purpose port 48; a fine processor upper manhole 49 is arranged at the periphery of the water inlet/backwashing water outlet dual-purpose port, and an oil receiving/exhausting dual-purpose port 50 is arranged on a pipe joint of the fine processor upper manhole; the periphery of the lower end enclosure of the fine processor 4 is provided with an electric cation water elimination processor 2.
The fine processor 5 is of a vertical circular tank structure, and comprises a fine processor lower sieve plate 52, a fine processor upper sieve plate 54, a fine processor turbulence generator 56, a fine processor filter element 61, a fine processor filter material 53 and a fine processor adsorption aggregation filler 55 inside; a fine processor lower sieve plate 52 is arranged at the middle lower part of the cylinder body, a fine processor upper sieve plate 54 is arranged at the upper end enclosure, and fine processor filter material 53 is arranged in an annular space between the fine processor lower sieve plate and the fine processor upper sieve plate; a fine processor turbulence generator 56 is arranged above the upper sieve plate of the fine processor, and fine processor adsorption aggregation fillers 55 are arranged on the periphery of the fine processor turbulence generator; a water and gas collecting dual-purpose device 62 is arranged below the lower sieve plate of the fine treatment device, a fine treatment device filter element 61 is arranged on the water and gas collecting dual-purpose device, and an upper water outlet/backwashing gas inlet dual-purpose port 60 is arranged on the cylinder of the water and gas collecting dual-purpose device; the bottom of the fine processor is provided with a fine processor bottom manhole 63 which is respectively provided with a lower water outlet/backwashing water inlet dual-purpose port 18 and a fine processor vent 23; the center of the top of the processor is provided with a water inlet/backwashing water outlet dual-purpose port 57; the periphery of the water inlet/backwashing water outlet dual-purpose port is provided with an upper manhole 58 of the fine processor, and a pipe joint of the upper manhole of the fine processor is provided with an oil receiving/exhausting dual-purpose port 59; the periphery of the annular space between the lower sieve plate 52 of the fine treater and the water and gas collecting dual-purpose device 62 is provided with the electric cation and water elimination water treater 2.
The cylinder body tangent of the coarse processor 3, the fine processor 4 and the fine processor 5 is provided with a feeding pipe orifice, the other side tangent is provided with a discharging pipe orifice, and the feeding pipe orifice is higher than the discharging pipe orifice; and a filter material circulating pump is also arranged and used for externally circulating and scrubbing the filter material during feeding and back flushing.
Wherein, the integrated physical method oil field water treatment tank is internally provided with a vortex coagulation air flotation zone, a filtration purification zone and an electric cation elimination zone, thereby greatly simplifying the sewage treatment process; in the treatment process, only gas and electricity are used without adding chemicals, so that the device is green, environment-friendly, safe and pollution-free, small in size, low in energy consumption and good in treatment effect, and the problem that the sewage treatment difficult in the oil field does not reach the standard is effectively solved.
Then a turbulent flow air flotation zone, an adsorption and aggregation zone, a filtering and purifying zone and an electric cation elimination zone are arranged in the multifunctional integrated oil field water treatment tank, desulfurization and sterilization are realized through oxygen supplementation, water purification is realized through air flotation, adsorption and filtering, and then the water is treated by an electric cation elimination water treatment device, so that the whole process of oil removal, desulfurization, corrosion inhibition, scale prevention, scale removal, deoxidization, sterilization and water purification treatment is completed.
And finally, a turbulent flow air flotation zone, an adsorption and collection zone, a filtering and purifying zone, an electric cation elimination zone and a fine filtering zone are arranged in the multifunctional integrated adhesive sewage fine treatment tank, and through blockage removal by an air explosion filter element, air explosion and loosening of an adhesive filter material and pressure relief by the filter element, backwashing pressure building and hardening of the filter material are effectively prevented, the backwashing effect of the adhesive filter material is improved, the normal operation of the multifunctional integrated adhesive sewage fine treatment device and the qualified and stable water quality after treatment are ensured, the multifunctional integrated adhesive sewage fine treatment device can be widely applied to the treatment of oily sewage, and can also be used for the fine treatment of the oil field adhesive sewage.
The operation mode of the invention is as follows: the water to be treated is lifted by a lifting pump 1, dissolved air is carried out in a pipeline of a crude treatment device, the dissolved air sewage firstly enters a vortex device 36 through a liquid inlet guide pipe 37 of the crude treatment device, oil gas is moved inwards circularly by centrifugal force generated by vortex rotation, the oil gas floats upwards to the top of the tank under the action of gas buoyancy after moving to the center, and the water/oil collecting dual-purpose port 39 is backwashed by the top of the tank and is discharged into a total sewage collection pipe; meanwhile, the heavy silt sinks along the cylinder wall and enters the conical cylinder to be discharged into a sewage discharge and emptying pipe through a silt discharge guide pipe 41; the above process mainly removes floating oil, dispersed oil and silt. The water and suspended substances spirally go upward to a bucket opening and are redirected to flow downward to enter a filter material layer 35 for filtration, and particles and colloids which can be intercepted are retained by the filter layer; the filtered water is polarized by an electric cation elimination water processor 2, the cations in the water are eliminated by electrons, so that the cations are changed into nonpolar molecules, and no cations reach the cathode on the surface of the steel body to obtain electrons, therefore, the cathode of the steel body has no electron loss, and no metal ions fall off, so the steel body is not corroded; meanwhile, after the metal cations are changed into nonpolar molecules, the metal cations are not combined with hydroxide radicals and acid radicals to generate alkali and salt, and the alkali and the salt are not separated out, so that water does not scale; electrons destroy original ionic bonds of the scale layer, and the scale layer is decomposed to realize scale removal; the dissolved oxygen in the water body is combined with electrons to generate electrochemical reaction to generate hydroxyl, so that the content of the dissolved oxygen in the water is reduced; meanwhile, electrons enter the bacteria to change the electronic structure in the bacteria, so that broken bonds are broken to kill the bacteria; the treated water is discharged from a water outlet/backwashing water inlet dual-purpose port 12 at the bottom of the coarse processor tank and enters the fine processor 4.
Continuously dissolving air in a water inlet pipeline of the fine processor, enabling dissolved air sewage to firstly enter a turbulence generator 47 through a water inlet/backwashing water outlet dual-purpose port 48 of the fine processor to generate turbulent rotation, enabling oil gas to move inwards and circularly under the action of centrifugal force, enabling solid particles and water to move outwards and circularly, and removing oil-containing separation under the dual actions of centrifugal force and air flotation; after air floatation, water and solid particles enter the adsorption aggregation filler 46 for polar adsorption aggregation, small particles are aggregated into large particles or blocky particles and retained in the adsorption aggregation filler, and the adsorption aggregation is discharged and removed during backwashing; when the adsorbed and gathered water and solid particles enter the upper sieve plate 45, coarse particles are filtered and intercepted through the sieve plate, and filtered and intercepted substances are discharged and removed during back washing; the water and fine particles filtered by the upper sieve plate enter a filter material 44 for fine filtration, the fine particles are retained in a filter layer, and the retained fine particles are loosened by gas explosion and then are washed back and scrubbed and discharged for removal; the water after fine filtration is filtered by the annular lower sieve plate 43, is polarized by the electric cation water elimination processor 2 again, is discharged from the dual-purpose port 15 for water outlet/backwashing water inlet at the bottom of the tank, and then enters the fine processor 5.
Continuously dissolving gas in a water inlet pipeline of the fine processor, enabling the gas-dissolved sewage to firstly enter a turbulence generator 56 through a water inlet/backwashing water outlet dual-purpose port 57 of the fine processor to generate turbulent rotation, transporting light-weight agglutinates and gas to the inner circle and transporting solid particles and water to the outer circle under the action of centrifugal force, and separating and removing the light-weight agglutinates under the double actions of centrifugal force and air flotation; after air floatation, water and solid particles enter the adsorption aggregation filler 55 for polar adsorption aggregation, polar bonding materials are aggregated into large particles or blocky particles to be retained in the adsorption aggregation filler, and the adsorption aggregation is discharged and removed during backwashing; when the adsorbed and gathered water and solid particles enter the upper sieve plate 54, the water and the solid particles are filtered by the sieve plate, the bonding coarse particles are filtered and intercepted, and the filtered and intercepted substances are discharged and removed during back washing; water and fine bonding particles filtered by the upper sieve plate enter a filter material 53 for fine filtration, the fine bonding particles are retained in a filter layer, and the retained fine bonding particles are loosened by gas explosion and then are discharged and removed by backwashing and scrubbing; the finely filtered water is filtered by the annular lower sieve plate 52, is polarized by the electric cation water elimination water processor 2 again, can be directly discharged from the lower water outlet/backwashing water inlet dual-purpose port 18, and can also enter the water and gas collecting dual-purpose device 62 through the filtration of the filter element 61, and the finely filtered water is produced through the upper water outlet/backwashing gas inlet dual-purpose port 60.
In addition, in order to ensure that the device can effectively process for a long time, a feeding pipe orifice is arranged at the tangent of the cylinder body of the 3 processors, a discharging pipe orifice is arranged at the tangent of the other side of the cylinder body, and the feeding pipe orifice is higher than the discharging pipe orifice; and a filter material circulating pump is also arranged and used for externally circulating and scrubbing the filter material during feeding and back flushing.
The invention has the advantages of relatively simple flow, no addition of medicament, low operation cost, no secondary pollution, convenient mobile use and high intelligent degree because the main treatment device is a skid device. The continuous operation can be realized, the back washing can be realized without stopping operation, the filter material extracorporeal circulation is realized, the back washing is thorough, only gas and electricity are added in the operation process without adding chemicals, the method is green, environment-friendly, safe and pollution-free, the treatment effect is good, the engineering investment and the operation cost are low, the management is convenient, and the water supply index is as follows: when the oil content is less than or equal to 200mg/L and the suspended matter is less than or equal to 200mg/L, the effluent indexes after the treatment by the device are as follows: oil content is less than or equal to 6mg/L, suspended matter is less than or equal to 2mg/L, and the median diameter of suspended matter particles is less than or equal to 1.5 mu m, so that the method can be widely used for oil-removing suspended matter-removing polarization treatment of oil field sewage.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.
Claims (7)
1. The three-in-one treatment device for turbulent air flotation, filtration and electric cation elimination is characterized by comprising a lift pump (1), a coarse treatment device (3), a fine treatment device (4) and a fine treatment device (5), wherein the lift pump (1) is connected with a liquid inlet of the coarse treatment device (3) through a pipeline; the outlet of the coarse processor (3) is connected with the inlet of the fine processor (4) through a pipeline, and the outlet of the fine processor (4) is connected with the liquid inlet pipe orifice of the fine processor (5) through a pipeline.
2. The device for treating the electro-deionization cation by turbulent air flotation filtration as claimed in claim 1, further comprising a backwash regeneration and filter material circulation system, wherein the backwash regeneration and filter material circulation system comprises a backwash pump (6), a filter material circulation pump (7) and a feeding tank (8), the inlet of the backwash pump (6) is connected with a backwash incoming water pipeline, the outlet of the backwash pump (6) is connected with a coarse processor water outlet/backwash water inlet dual-purpose port (12), a fine processor water outlet/backwash water inlet dual-purpose port (15) and a fine processor lower water outlet/backwash water inlet dual-purpose port (18), the feed inlet of the filter material circulation pump (7) is connected with a coarse processor discharge port (11), a fine processor discharge port (16) and a fine processor discharge port (19), the feed inlet of the filter material circulation pump (7) is further connected with a feeding tank discharge port (20) of the feeding tank (8), the discharge hole of the filter material circulating pump (7) is connected with the feed inlet (13) of the coarse processor, the feed inlet (14) of the fine processor and the feed inlet (17) of the fine processor.
3. The turbulent air flotation filtering and electro-deionization cation three-in-one treatment device as claimed in claim 1, wherein the device is provided with an independent air distribution system, which comprises an air compressor (9) and an air storage tank (10), wherein the air outlet of the air compressor (9) is connected with the air storage tank air inlet (27) of the air storage tank (10), and the air storage tank air outlet (26) is respectively connected with a coarse processor feed liquid air inlet (24), a coarse processor backwashing air inlet (25), a fine processor feed liquid air inlet (28), a fine processor backwashing air inlet (29), a fine processor feed liquid air inlet (30) and a fine processor backwashing air inlet (31) through an air feeding manifold.
4. The turbulent air-flotation filtering and electro-deionization three-in-one treatment device as claimed in claim 1, wherein the coarse processor (3) is of a vertical circular tank structure, and the interior of the coarse processor comprises a coarse processor lower sieve plate (34), a coarse processor upper sieve plate (38), a coarse processor liquid inlet conduit (37), a coarse processor vortex device (36), a coarse processor filter material (35), a coarse processor sludge discharge conduit (41) and an inner cylinder bracket (33); an inner cylinder support (33) is arranged in the center of a lower end enclosure of the coarse processor (3), a coarse processor vortex device (36) is arranged on the inner cylinder support, a lower sieve plate (34) is arranged outside the vortex device and close to the lower end enclosure, a coarse processor liquid inlet guide pipe (37) is arranged in a vortex device shell section, a coarse processor upper sieve plate (38) is arranged above the liquid inlet guide pipe, coarse processor filter materials (35) are arranged in an annular space between the coarse processor lower sieve plate and the coarse processor upper sieve plate, a coarse processor side manhole (32) is arranged on the side portion of the lower end enclosure of the coarse processor, and a coarse processor sludge discharge guide pipe (41) is arranged on the other side of the; a coarse processor bottom manhole (42) is arranged at the bottom of the coarse processor (3), and a water outlet/backwashing water inlet dual-purpose port (12) and a coarse processor emptying port (21) are respectively arranged on the coarse processor bottom manhole (42); the center of the top of the crude processor (3) is provided with a backwashing water outlet/oil receiving dual-purpose port (39) of the crude processor; a manhole (40) on the coarse processor is arranged at the periphery of the backwashing water outlet/oil receiving dual-purpose port; the periphery of the lower end enclosure is provided with an electric cation water treatment device (2).
5. The three-in-one treatment device for the turbulent air-flotation filtration and the electro-deionization of the cation as claimed in claim 1, wherein the fine processor (4) is of a vertical circular tank structure, and the interior of the fine processor comprises a fine processor lower sieve plate (43), a fine processor upper sieve plate (45), a fine processor turbulence generator (47), a fine processor filter material (44) and a fine processor adsorption and aggregation filler (46); a fine processor lower sieve plate (43) is arranged at the lower end enclosure of the fine processor (4), a fine processor upper sieve plate (45) is arranged at the upper end enclosure, and a fine processor filter material (44) is arranged in an annulus between the fine processor lower sieve plate and the fine processor upper sieve plate; a fine processor turbulence generator (47) is arranged above the upper sieve plate of the fine processor, and a fine processor adsorption and aggregation filler (46) is arranged at the periphery of the fine processor turbulence generator; a fine processor bottom manhole (51) is arranged at the bottom of the fine processor, and a water outlet/backwashing water inlet dual-purpose port (15) and a fine processor emptying port (22) are respectively arranged on the fine processor bottom manhole; the center of the top of the fine processor is provided with a water inlet/backwashing water outlet dual-purpose port (48); a fine processor upper manhole (49) is arranged at the periphery of the water inlet/backwashing water outlet dual-purpose port, and an oil receiving/exhausting dual-purpose port (50) is arranged on a pipe joint of the fine processor upper manhole; the periphery of the lower end enclosure of the fine processor (4) is provided with an electric cation water elimination processor (2).
6. The turbulent air-flotation filtering and electro-deionization three-in-one treatment device as claimed in claim 1, wherein the fine processor (5) is of a vertical round tank structure, and the interior of the fine processor comprises a fine processor lower sieve plate (52), a fine processor upper sieve plate (54), a fine processor turbulence generator (56), a fine processor filter element (61), a fine processor filter material (53) and a fine processor adsorption aggregation filler (55); a fine processor lower sieve plate (52) is arranged at the middle lower part of the cylinder body, a fine processor upper sieve plate (54) is arranged at the upper end enclosure, and a fine processor filter material (53) is arranged in an annular space between the fine processor lower sieve plate and the fine processor upper sieve plate; a fine processor turbulence generator (56) is arranged above the upper sieve plate of the fine processor, and fine processor adsorption and aggregation fillers (55) are arranged on the periphery of the fine processor turbulence generator; a water and gas collecting dual-purpose device (62) is arranged below the lower sieve plate of the fine treatment device, a fine treatment device filter element (61) is arranged on the water and gas collecting dual-purpose device, and an upper water outlet/backwashing gas inlet dual-purpose port (60) is arranged on the cylinder body of the water and gas collecting dual-purpose device; the bottom of the fine processor is provided with a fine processor bottom manhole (63), and the fine processor bottom manhole is respectively provided with a lower water outlet/backwashing water inlet dual-purpose port (18) and a fine processor vent port (23); the center of the top of the processor is provided with a water inlet/backwashing water outlet dual-purpose port (57); a fine processor upper manhole (58) is arranged at the periphery of the water inlet/backwashing water outlet dual-purpose port, and an oil receiving/exhausting dual-purpose port (59) is arranged on a pipe joint of the fine processor upper manhole; an electric cation and water elimination water treater (2) is arranged around the annular space between the lower sieve plate (52) of the fine treater and the water and gas collecting and separating dual-purpose device (62).
7. The turbulent air-flotation filtration and electro-deionization three-in-one treatment device as claimed in claim 1, wherein the tangential lines of the cylinder bodies of the coarse processor (3), the fine processor (4) and the fine processor (5) are provided with a feeding pipe orifice, the tangential line of the other side is provided with a discharging pipe orifice, and the feeding pipe orifice is higher than the discharging pipe orifice; and a filter material circulating pump is also arranged and used for externally circulating and scrubbing the filter material during feeding and back flushing.
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| CN202110151655.9A CN112759159A (en) | 2021-02-04 | 2021-02-04 | Turbulent air-floating filtering electric cation-eliminating three-in-one treatment device |
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| CN202110151655.9A CN112759159A (en) | 2021-02-04 | 2021-02-04 | Turbulent air-floating filtering electric cation-eliminating three-in-one treatment device |
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