CN108310834A - Three-level backwashing system and purging method - Google Patents
Three-level backwashing system and purging method Download PDFInfo
- Publication number
- CN108310834A CN108310834A CN201710033428.XA CN201710033428A CN108310834A CN 108310834 A CN108310834 A CN 108310834A CN 201710033428 A CN201710033428 A CN 201710033428A CN 108310834 A CN108310834 A CN 108310834A
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- Prior art keywords
- water
- filter
- nozzle
- pipeline
- bag
- Prior art date
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- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000011001 backwashing Methods 0.000 title claims abstract description 15
- 238000010926 purge Methods 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000006260 foam Substances 0.000 claims abstract description 15
- 239000004094 surface-active agent Substances 0.000 claims abstract description 9
- 230000009514 concussion Effects 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims description 31
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000008213 purified water Substances 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims 1
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 238000005202 decontamination Methods 0.000 abstract description 2
- 230000003588 decontaminative effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 14
- 239000004744 fabric Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The present invention relates to oilfield more particularly to three-level backwashing system and purging methods.Compressed air in air accumulator is squeezed into bag filter and can backwashed by air bubble, and when compressed air concussion discharges volume, compressed air can impact strainer, carry out first time backwash；Foam maker produces foam, and carrying out second to strainer rinses；Active water carries out third time flushing containing the water of surfactant and decontamination ion.
Description
Technical field
The present invention relates to oilfield more particularly to three-level backwashing system and purging methods.
Background technology
Drawback of the prior art is that：
Original cloth envelop collector needs often to carry out stop cleaning, and scavenging period is long, and cleaning performance is bad, or even can often need
Replace cloth envelop collector.
Invention content
The purpose of invention：See to provide a kind of better three-level backwashing system of effect and purging method, specific purposes
Multiple substantial technological effects of part are embodied.
In order to reach purpose as above, the present invention adopts the following technical scheme that：
Scheme one：
The method of three-level backwash, which is characterized in that comprise the following steps：
It cleans for the first time：Strainer progress first time is cleaned with clear water in reversed direction from water outlet to water inlet；
It cleans again：Water is squeezed into filter cavity and carries out rubbing cleaning repeatedly, and the mode for rubbing cleaning repeatedly is following arbitrary
One of, A. auxiliary circulating pumps install circulating pump in filter cavity, mouth of a river closing inlet and outlet are squeezed into, in it
Water carries out iterative cycles；B. using nozzle by the different sides of flow directive strainer when squeezing into water, i.e., in the nozzle packet of water inlet
Containing rotary nozzle or nozzle, cleaned with jet stream；
Third time is cleaned：There is clear water to develop the dirt cleaned again and water together to rinse well.
The further technical solution of the present invention is, is included in the water cleaned again and is added during the cleaning again
The step of surfactant or use hot water.
The further technical solution of the present invention is that being also included in filter cavity periphery during the cleaning again applies
The step of ultrasonic oscillation aided filter.
The further technical solution of the present invention is that including during the cleaning again will be in air accumulator with air bubble
Compressed air is squeezed into the step of bag filter can be backwashed, and when compressed air concussion discharges volume, compression is empty
Gas can impact strainer, the step of being rinsed.
The further technical solution of the present invention is, includes to be produced using foam maker during the cleaning again
Foam, the step of being rinsed to strainer.
Scheme two：
Three-level backwashing system, which is characterized in that include bag filter, include blow-off pipe, institute below the bag filter
It includes water inlet pipe to state bag filter side, and pipeline is connected with above water inlet pipe, includes opening on pipeline；It also include purified water
Case, the cleaned water tank include water inlet and water out, and water out is connected to flowmeter, and cleaned water tank is connected by pipeline and pumped,
The space that filter chamber, that is, strainer of bag filter is installed, space are equipped with built-in immersible pump either fluid jet nozzle.
The further technical solution of the present invention is that the fluid jet nozzle is rotary nozzle.
The further technical solution of the present invention is that the pump is connected with foam maker by pipeline, and foam maker is logical
Piping is connected to bag filter；Also include air compressor machine, for the air compressor machine avris by connecting air accumulator, the air accumulator is logical
Piping connects air bubble；Air bubble connects bag filter by pipeline；Also include that superficiality agent provides container, the surface
Activating agent provides container and connects bag type filtering by backwashing pump surfactant nozzle.
The further technical solution of the present invention is that the opening connection activated water for including on the pipeline provides structure；It is described
The opening for including on pipeline includes two, respectively film forming agent nozzle and filter aid nozzle, and film forming agent nozzle connects film forming agent；It helps
Filtering agent nozzle connects filter aid and provides container；It is connected to nephelometer on pipeline above the water inlet pipe；The nephelometer and stream
Gauge communicates to connect CPU.
The further technical solution of the present invention is that the stainless steel more smaller than filter bag is arranged at the filter bag lower part of the bag filter
Mesh bag holds filter bag in backwash, prevents HI high impact from damaging.
Using the present invention of technical solution as above, have the advantages that compared with the existing technology：Air bubble is by air accumulator
In compressed air squeeze into bag filter and can be backwashed, when compressed air concussion release volume, compressed air
Strainer can be impacted, first time backwash is carried out；Foam maker produces foam, and carrying out second to strainer rinses；Active water
Third time flushing is carried out containing the water of surfactant and decontamination ion.
Description of the drawings
In order to further illustrate the present invention, it is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is inventive structure schematic diagram；
Fig. 2 is a kind of preferred implementation structure of bag filter；
Wherein：1. foam maker；2. blow-off pipe；3. water inlet pipe；4. bag filter；5. flowmeter；6. film forming agent nozzle；7.
Filter aid nozzle；8. nephelometer；9. air bubble；10. cleaned water tank；11. air accumulator；12. air compressor machine；13. backwashing pump surface is lived
Property agent nozzle；14. filter bag；15. stainless steel mesh bag；16. immersible pump.
Specific implementation mode
The embodiment of the present invention is illustrated below in conjunction with the accompanying drawings, embodiment is not construed as limiting the invention：
The method of three-level backwash, which is characterized in that comprise the following steps：
It cleans for the first time：Strainer progress first time is cleaned with clear water in reversed direction from water outlet to water inlet；
It cleans again：Water is squeezed into filter cavity and carries out rubbing cleaning repeatedly, and the mode for rubbing cleaning repeatedly is following arbitrary
One of, A. auxiliary circulating pumps install circulating pump in filter cavity, mouth of a river closing inlet and outlet are squeezed into, in it
Water carries out iterative cycles；B. using nozzle by the different sides of flow directive strainer when squeezing into water, i.e., in the nozzle packet of water inlet
Containing rotary nozzle or nozzle, cleaned with jet stream；
Third time is cleaned：There is clear water to develop the dirt cleaned again and water together to rinse well.
The technique effect and its realization process for the essence that the technical solution at this place is played are as follows：Using such as lower structure：
Three-level backwashing system, which is characterized in that include bag filter, include blow-off pipe, the bag below the bag filter
Formula filter side includes water inlet pipe, and pipeline is connected with above water inlet pipe, includes opening on pipeline；Also include cleaned water tank, institute
It includes water inlet and water out to state cleaned water tank, and water out is connected to flowmeter, and cleaned water tank is connected by pipeline and pumped, pocket type mistake
The space that filter chamber, that is, strainer of filter is installed, space are equipped with built-in immersible pump either fluid jet nozzle.Special
Effect exists, and is tilted using rubbing in cleaning again, and using inlet and outlet are closed, the water of cycle is formed in filtering wall
Stream either sinuous flow, impact filtration net so that bur is easy to fall off, and finally uses clear water again clean.Immersible pump in text
That is circulating pump.
Immersible pump either fluid jet nozzle is mounted in filter cavity, and circuit is come out of along water inlet pipe, preferably,
Fluid jet nozzle connecting pipe, pipeline are connected to pump, and pump can be so that water-jet flows to filter cavity surface, realization rubbing cleaning.
It is compared with traditional cleaning way using this kind of cleaning method：
A water-saving 80% is cleaned, cost is greatlyd save；Cleaning is rapid, and cleaning performance is good, because rubbing cleaning takes full advantage of water
Sinuous flow effect, be exactly reversed unlike original water cleaning is not forward direction, cleaning performance is bad.
Surfactant is added or adopts preferably, being included in the water cleaned again during the cleaning again
The step of with hot water.The technique effect and its realization process for the essence that the technical solution at this place is played are as follows：Surface-active
Agent dirt-removing power is strong, and the effect of whole removal spot is more preferable.
It is also included in the step of filter cavity periphery applies ultrasonic oscillation aided filter during the cleaning again.
The technique effect and its realization process for the essence that the technical solution at this place is played are as follows：Ultrasonic wave high frequency oscillation enables to
Cleaning performance is more preferable.
Include that the compressed air in air accumulator is squeezed into bag filter energy with air bubble during the cleaning again
The step of enough being backwashed, when compressed air concussion discharges volume, compressed air can impact strainer, the step being rinsed
Suddenly.Include the step of producing foam using foam maker, be rinsed to strainer during the cleaning again.
Preferably, the opening connection activated water for including on the pipeline provides structure.
Mode and structure are further realized as different from above scheme, the opening for including on the pipeline includes two
A, respectively film forming agent nozzle and filter aid nozzle, film forming agent nozzle connect film forming agent；Filter aid nozzle connects filter aid and provides
Container.The technique effect and its realization process for the essence that the technical solution at this place is played are as follows：This place provides one kind not
It is same as the realization method of above direct structure that activated water is provided, and there is provided a kind of basic knots that various medicaments can be added
Structure.
It is connected to nephelometer on pipeline above the water inlet pipe.The nephelometer and flowmeter communicate to connect CPU.This
The technique effect and its realization process for the essence that the technical solution at place is played are as follows：The structure at this place is record and monitoring letter
Breath provides basic architecture basics.
The filter bag lower part of the bag filter has the stainless steel mesh bag more smaller than filter bag to hold filter bag in backwash, prevents
HI high impact damages.The technique effect and its realization process for the essence that the technical solution at this place is played are as follows：The structure at this place
It balances the impact force of high pressure and cleaning is easily damaged the contradiction of filter bag.
In a creative way, above each effect is individually present, moreover it is possible to the combination of the above results is completed with a nested structure.
It is clear that the technique effect that the above structure is realized is realized, if the additional technical solution is not taken into account, this patent title is also
It can be a kind of back-flushing structure.It is not shown in figure part details.
It should be noted that multiple schemes that this patent provides include the basic scheme of itself, independently of each other, not mutually
It restricts, but it can also be combined with each other in the absence of conflict, reach multiple effects and realize jointly.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of this field
Personnel should be recognized that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this hairs
Bright principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variations
It is both fallen in claimed range with improving.
Claims (10)
1. the method for three-level backwash, which is characterized in that comprise the following steps：
It cleans for the first time：Strainer progress first time is cleaned with clear water in reversed direction from water outlet to water inlet；
It cleans again：Water is squeezed into filter cavity and carries out rubbing cleaning repeatedly, and the mode for rubbing cleaning repeatedly is following arbitrary
One of, A. auxiliary circulating pumps install circulating pump in filter cavity, mouth of a river closing inlet and outlet are squeezed into, in it
Water carries out iterative cycles；B. using nozzle by the different sides of flow directive strainer when squeezing into water, i.e., in the nozzle packet of water inlet
Containing rotary nozzle or nozzle, cleaned with jet stream；
Third time is cleaned：There is clear water to develop the dirt cleaned again and water together to rinse well.
2. the method for three-level backwash as described in claim 1, which is characterized in that be included in during the cleaning again
The step of surfactant is added in the water cleaned again or uses hot water.
3. the method for three-level backwash as described in claim 1, which is characterized in that also include during the cleaning again
In the step of filter cavity periphery applies ultrasonic oscillation aided filter.
4. the method for three-level backwash as described in claim 1, which is characterized in that include use during the cleaning again
Compressed air in air accumulator is squeezed into the step of bag filter can be backwashed, compressed air concussion release by air bubble
When volume, compressed air can impact strainer, the step of being rinsed.
5. the method for three-level backwash as described in claim 1, which is characterized in that include to adopt during the cleaning again
The step of being produced foam with foam maker, strainer be rinsed.
6. three-level backwashing system, which is characterized in that include bag filter, includes blow-off pipe below the bag filter,
The bag filter side includes water inlet pipe, and pipeline is connected with above water inlet pipe, includes opening on pipeline；It also include purified water
Case, the cleaned water tank include water inlet and water out, and water out is connected to flowmeter, and cleaned water tank is connected by pipeline and pumped,
The space that filter chamber, that is, strainer of bag filter is installed, space are equipped with built-in immersible pump either fluid jet nozzle.
7. such as claim 6 three-level backwashing system, which is characterized in that the fluid jet nozzle is rotary nozzle.
8. such as claim 6 three-level backwashing system, which is characterized in that the pump is connected with foam maker by pipeline, steeps
Foam generator is connected to bag filter by pipeline；Also include air compressor machine, the air compressor machine avris is by connecting air accumulator, institute
It states air accumulator and air bubble is connected by pipeline；Air bubble connects bag filter by pipeline；Also include that superficiality agent provides appearance
Device, the surfactant provide container and connect bag type filtering by backwashing pump surfactant nozzle.
9. three-level backwashing system as claimed in claim 8, which is characterized in that the opening connection activation for including on the pipeline
Water provides structure；The opening for including on the pipeline includes two, respectively film forming agent nozzle and filter aid nozzle, film forming agent pipe
Mouth connection film forming agent；Filter aid nozzle connects filter aid and provides container；It is connected to nephelometer on pipeline above the water inlet pipe；
The nephelometer and flowmeter communicate to connect CPU.
10. three-level backwashing system as claimed in claim 9, which is characterized in that the filter bag lower part of the bag filter has
The stainless steel mesh bag more smaller than filter bag holds filter bag in backwash, prevents HI high impact from damaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033428.XA CN108310834A (en) | 2017-01-18 | 2017-01-18 | Three-level backwashing system and purging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033428.XA CN108310834A (en) | 2017-01-18 | 2017-01-18 | Three-level backwashing system and purging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108310834A true CN108310834A (en) | 2018-07-24 |
Family
ID=62892691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710033428.XA Pending CN108310834A (en) | 2017-01-18 | 2017-01-18 | Three-level backwashing system and purging method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108310834A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321342A (en) * | 2021-06-17 | 2021-08-31 | 江苏鼎旭节能建材科技有限公司 | Waste water recycling device in rock wool production |
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Application publication date: 20180724 |