CN207891314U - A kind of environment-friendly type clean manufacturing crude benzol slag-draining device - Google Patents
A kind of environment-friendly type clean manufacturing crude benzol slag-draining device Download PDFInfo
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- CN207891314U CN207891314U CN201820274582.6U CN201820274582U CN207891314U CN 207891314 U CN207891314 U CN 207891314U CN 201820274582 U CN201820274582 U CN 201820274582U CN 207891314 U CN207891314 U CN 207891314U
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Abstract
The utility model discloses a kind of environment-friendly type clean manufacturing crude benzol slag-draining devices, be related to regenerating wash oil technical field, solve the problems, such as the pollution of deslagging in the prior art environment, the pernicious gas of discharge and high-temperature steam endanger employee personal safety and deslagging utilization rate it is low.The technical solution used for：It is provided with high pressure sprinkler in the tank body of slag ladle；Slag ladle bottom end side is also associated with retracting device；The top of slag ladle connects tail gas cleaning system by exhaust pipe；The discharge that pernicious gas can be effectively reduced by the device, has not only ensured the personal safety of employee, but also increases the performance of enterprises.
Description
Technical field
The utility model is related to regenerating wash oil technical field, specifically a kind of environment-friendly type clean manufacturing crude benzol deslagging dress
It sets.
Background technology
In coke oven gas purification Product recycling technique, the benzene absorbed in coal gas is inversely contacted with coal gas using washing oil, is inhaled
Washing oil after receipts benzene is known as rich oil, and rich oil is beaten with slightly rich oil pump to rich oil slot in tower, cold with big rich oil pumped warp let-off crude benzol
Solidifying cooler exchanges heat with the crude benzene vapor that debenzolizing tower is ejected, and rich oil is preheated to 60 DEG C, into poor oil-rich heat exchanger, with de- benzene
The oil-poor heat exchange of heat afterwards is warming up to 130 DEG C, then is distilled through diamond heating to entering debenzolizing tower after 185 DEG C, tower top effusion it is thick
Benzene vapour is after the cooling of crude benzol condensate cooler, into crude benzol oil water separator.The crude benzol isolated enters crude benzol backflash, portion
Divide and crude benzol reflux is used to be pumped to tower top as reflux, remaining enters crude benzol medial launder, then is pumped to oil depot workshop section with crude benzol product.
The workshops traditional coke-oven plant Hua Chan to crude benzol recovery process wash benzene take off benzene operating process in, the quality of circulating washing oil
It runs down.To ensure that circulating washing oil keeps required quality standard, using wash oil regenerator will the oil-poor progress of part heat again
It is raw.(oil-poor middle crude benzol forms mass fraction to oil-poor middle crude benzol mass fraction 0.4%：Benzene 2.7%；Toluene 19%；Dimethylbenzene
31%；Solvent naphtha 47.3%), oil-poor amount of regeneration is the 1.5-2% or so of circulating washing oil amount, is heated with 350 DEG C of superheated steams, is steamed
The oil and gas gone out enters debenzolizing tower, and the higher boiling polymer and crude benzol residue of regenerator bottoms, pressure is periodically discharged into residual in equipment
Slag bath is sent to the use of coal yard reflux coking.When carrying out deslagging in this production process, slag-discharging valve opening is immediately discharged to residue
The components such as non-methane total hydrocarbons, phenols, benzo [a] pyrene, hydrogen cyanide, ammonia, hydrogen sulfide, benzene are contained in pond in deslagging steam.Existing equipment
It is had the disadvantage that in tapping process：1, traditional deslagging is outdoor discharge, and deslagging steam diffusion area is wide, peculiar smell is big,
In containing various air pollutants, odorant pollutant, water environment pollution object, site environment can be polluted；2, mistake when deslagging
For hot steam temperature up to 250 DEG C or so, employee be easy to cause scald when operating；Meanwhile wherein containing hydrogen cyanide (MAC 1mg), ammonia
The harmful substance such as (PC-STEL 30mg), hydrogen sulfide (MAC10mg), benzene (PC-STEL 10mg), according to practical inspection
It surveys as a result, more than 3 to 5 times of the occupational hazards limit value of national Specification, there is the risk for causing employee's cooupational intoxication, no
Conducive to the health of produced on-site worker；3, by crude benzol residue deliver coal field return match, can cause scene generate solid waste, formed it is secondary
Pollution, and crude benzol residue is the heavy constituent substance that washing oil recycles generation for a long time, washing oil is gained after tar fractionation, and crude benzol residue is used
It is returned with comprehensive utilization not enough in coal yard, leads to the problem of waste.
Invention content
The technical assignment of the utility model is to provide a kind of environment-friendly type clean manufacturing crude benzol deslagging dress for the above deficiency
It sets, the personal safety that deslagging pollution environment, the pernicious gas of discharge and high-temperature steam in the prior art endanger employee can be solved
And the problem that deslagging utilization rate is low.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of environment-friendly type clean manufacturing crude benzol slag-draining device, including regenerator, slag ladle, slag-discharging valve and residue collecting pit,
It is connected by scum pipe between the slag-drip opening of regenerator and slag ladle, the bottom end of slag ladle is by connecting scum pipe and residue collecting pit phase
Even, it is additionally provided with slag-discharging valve on scum pipe；It is provided with oil inlet valve on regenerator, steam-heating pipe is provided in regenerator；
It is provided with high pressure sprinkler in the tank body of slag ladle；Slag ladle bottom end side is also associated with retracting device；Pass through tail at the top of slag ladle
Feed channel connects tail gas cleaning system.
High pressure sprinkler includes that spray line, high-pressure spraying pump and closed underground pond, multipair spray line are symmetrically mounted on slag
The both sides of top tank structure；Spray line, high-pressure spraying pump, which are connected with closed underground pond by pipe gravity flow pipeline, to be formed high pressure sprinkling and closes back
Road.
Multiple corrosion-resistant stainless steel spiral nozzles are mounted on spray line.
Retracting device includes tar extraction element and crude benzol Slag recovering device, tar extraction element include hermetically under
Pond, submerged pump and mechanical settling tank, closed underground pond, submerged pump and mechanical settling tank are by recycling spray water conveyance conduit
Connection forms tar extraction loop；Crude benzol Slag recovering device include residue collecting pit, residue conveying steam jacket pipe,
Slag recovering pumps and tar ammonia underground tank, passes through residue between residue collecting pit, Slag recovering pump and tar ammonia underground tank
Conveying steam jacket pipe connects to form crude benzol Slag recovering loop.
The top of slag ladle is tapered or pyramid type structure the slag ladle in side, is provided with blowdown stack at the top of slag ladle, discharges cigarette
Chimney is connected with exhaust pipe；On blowdown stack exhaust pipe valve is additionally provided with the junction of exhaust pipe.
Tail gas cleaning system includes tail gas air-introduced machine, cleans circulated sprinkling pump and tail gas washing column, and tail gas air-introduced machine drives
The tail gas being discharged from blowdown stack sucks the lower part of tail gas washing column through exhaust pipe；At least two clean circulated sprinkling pumps point
It does not connect to form closed circulation with tail gas washing column by pipeline.
Demister and light porcelain packing are additionally provided with inside tail gas washing column, demister is located at the exhaust emissions of tail gas washing column
At mouthful；Light porcelain packing is located at the lower section of demister, and is arranged at the middle part of tail gas washing column.
The pipeline input terminal that each clean circulated sprinkling pump is connected is arranged in the lower part of tail gas washing column, output end setting
On the top of tail gas washing column.
Compared to the prior art a kind of environment-friendly type clean manufacturing crude benzol slag-draining device of the utility model, has beneficial below
Effect：
1, tail gas qualified discharge；Closed deslagging has prevented pollution of the outdoor discharge gas with foreign flavor to surrounding air, through excessively high
Deslagging steam after pressure sprinkling, cooling, peculiar smell obtain elimination early period, the row up to standard after top enters the processing of tail gas cleaning system
It puts, discharge gas meets related specification；
Specific testing result is as follows：
2, direct labor's safety and health guarantee；Deslagging finishes after ten minutes, and superheat steam temperature passes through closed height
Pressure sprinkling, temperature is down to 30 DEG C hereinafter, peculiar smell, the gas that is pernicious to people are down within standard prescribed limit in slag ladle in slag ladle,
Safety and health of the operative employee when clearing up residue are protected；
Air pollutants monitoring result is as follows in slag ladle：
3, subsidiary economic benefit；According to the crude benzol Production rate for producing 600000 tons of coke production scales per year, regenerating wash oil is calculated
Deslagging number can monthly increase by 15 tons or so of tar yield after transformation, can be monthly that company creates by 3500 yuan/ton of the market price
5.25 ten thousand yuan of benefit is made, is increased benefit in year more than 630,000 yuan.
Description of the drawings
The utility model is further illustrated below in conjunction with the accompanying drawings.
Attached drawing 1 is a kind of structural schematic diagram of environment-friendly type clean manufacturing crude benzol slag-draining device.
In figure：1, regenerator, 2, slag ladle, 3, slag-discharging valve, 4, residue collecting pit, 5, spray line, 6, high-pressure spraying pump, 7,
Closed underground pond, 8, corrosion-resistant stainless steel spiral nozzle, 9, submerged pump, 10, mechanical settling tank, 11, Slag recovering pump, 12,
Tar ammonia underground tank, 13, blowdown stack, 14, exhaust pipe valve, 15, tail gas air-introduced machine, 16, clean circulated sprinkling pump,
17, tail gas washing column, 18, demister, 19, light porcelain packing, 20, residue convey steam jacket pipe.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Embodiment 1：
A kind of environment-friendly type clean manufacturing crude benzol slag-draining device of the utility model, including regenerator 1, slag ladle 2, slag-discharging valve
3 and residue collecting pit 4, it is connected by scum pipe between the slag-drip opening and slag ladle 2 of regenerator 1, the bottom end of slag ladle 2 passes through the row of connection
Slag pipe is connected with residue collecting pit 4, and slag-discharging valve 3 is additionally provided on scum pipe；It is provided with oil inlet valve on regenerator 1, regenerates
Steam jacket pipe is provided in tower 1；Top be pyramid type structure 2 tank body of slag ladle in be provided with high pressure sprinkler, high pressure
Flusher includes that spray line 5, high-pressure spraying pump 6 and 7,2 pairs of spray lines 5 of closed underground pond are symmetrically mounted on 2 inner wall of slag ladle
Both sides, and 3 corrosion-resistant stainless steel spiral nozzles 8 are mounted on every spray line 5, spray line 5, high-pressure spraying pump 6 and close
Underground pond 7 is closed to connect to form high pressure sprinkling loop by pipe gravity flow pipeline；2 bottom end side of slag ladle is also associated with retracting device；
Retracting device includes tar extraction element and crude benzol Slag recovering device, and tar extraction element includes closed underground pond 7, submerged pump
9 and mechanical settling tank 10, closed underground pond 7, submerged pump 9 and mechanical settling tank 10, which pass through, to be recycled spray water conveyance conduit and connects
It connects to form tar extraction loop；Crude benzol Slag recovering device includes residue collecting pit 4, Slag recovering pump 11, residue conveying
Steam jacket pipe 20 and tar ammonia underground tank 12, residue collecting pit 4, Slag recovering pump 11 and tar ammonia underground tank 12 it
Between 20 connection of steam jacket pipe conveyed by residue form crude benzol Slag recovering loop；The top of slag ladle 2 is provided with row
Chimney 13 is put, blowdown stack 13 is connected with exhaust pipe, and tail gas is additionally provided with the junction of exhaust pipe on blowdown stack 13
Pipeline valve 14, exhaust pipe connect tail gas cleaning system, and tail gas cleaning system includes tail gas air-introduced machine 15, cleans circulated sprinkling
16 and tail gas washing column 17 are pumped, is additionally provided with demister 18 and light porcelain packing 19 inside tail gas washing column 17, demister 18 is located at
At the exhaust port of tail gas washing column 17；Light porcelain packing 19 is located at the lower section of demister 18, and is arranged in tail gas washing column 17
Middle part；Tail gas air-introduced machine 15 drives from the tail gas being discharged in blowdown stack 13 through exhaust pipe and sucks under tail gas washing column 17
Portion；Two clean circulated sprinkling pumps 16 connect to form closed circulation by pipeline with tail gas washing column 17 respectively, and each
It cleans the pipeline input terminal that circulated sprinkling pump 16 is connected to be arranged in the lower part of tail gas washing column 17, output end setting is washed in tail gas
The top of net tower 17.
The technical personnel in the technical field can readily realize the utility model with the above specific embodiments,.But
It is it should be appreciated that the utility model is not limited to a kind of above-mentioned specific implementation mode.On the basis of the disclosed embodiments,
The technical personnel in the technical field can arbitrarily combine different technical features, to realize different technical solutions.
It is the known technology of those skilled in the art in addition to the technical characteristic described in specification.
Claims (8)
1. a kind of environment-friendly type clean manufacturing crude benzol slag-draining device, including regenerator, slag ladle, slag-discharging valve and residue collecting pit, then
It is connected by scum pipe between the slag-drip opening and slag ladle of raw tower, the bottom end of slag ladle is by connecting scum pipe and residue collecting pit phase
Even, it is additionally provided with slag-discharging valve on scum pipe；It is provided with oil inlet valve on regenerator, steam jacket is provided in regenerator
Pipe；It is characterized in that being provided with high pressure sprinkler in the tank body of slag ladle；Slag ladle bottom end side is also associated with retracting device；Slag ladle
Top pass through exhaust pipe connect tail gas cleaning system.
2. a kind of environment-friendly type clean manufacturing crude benzol slag-draining device according to claim 1, it is characterised in that high pressure sprinkling dress
It sets and is symmetrically mounted on the both sides of slag ladle inner wall including spray line, high-pressure spraying pump and closed underground pond, multipair spray line；Sprinkling
Pipe, high-pressure spraying pump connect to form high pressure sprinkling loop by pipe gravity flow pipeline with closed underground pond.
3. a kind of environment-friendly type clean manufacturing crude benzol slag-draining device according to claim 2, it is characterised in that on spray line
Multiple corrosion-resistant stainless steel spiral nozzles are installed.
4. a kind of environment-friendly type clean manufacturing crude benzol slag-draining device according to claim 1, it is characterised in that retracting device packet
Tar extraction element and crude benzol Slag recovering device are included, tar extraction element includes that closed underground pond, submerged pump and mechanization are clear
Clear slot, closed underground pond, submerged pump and mechanical settling tank connect to form tar extraction envelope by recycling spray water conveyance conduit
Loop circuit；Crude benzol Slag recovering device includes residue collecting pit, Slag recovering pump, residue conveying steam jacket pipe and tar ammonia
Water underground tank conveys steam jacket Guan Lian between residue collecting pit, Slag recovering pump and tar ammonia underground tank by residue
It connects to form crude benzol Slag recovering loop.
5. a kind of environment-friendly type clean manufacturing crude benzol slag-draining device according to claim 1, it is characterised in that the top of slag ladle
For tapered or pyramid type structure the slag ladle in side, it is provided with blowdown stack at the top of slag ladle, blowdown stack is connected with exhaust pipe；Row
It puts the junction on chimney with exhaust pipe and is additionally provided with exhaust pipe valve.
6. a kind of environment-friendly type clean manufacturing crude benzol slag-draining device according to claim 1, it is characterised in that tail gas cleans system
System includes tail gas air-introduced machine, cleans circulated sprinkling pump and tail gas washing column, and the drive of tail gas air-introduced machine is discharged from blowdown stack
Tail gas sucks the lower part of tail gas washing column through exhaust pipe；At least two clean circulated sprinkling pumps are washed by pipeline and tail gas respectively
Net tower connects to form closed circulation.
7. a kind of environment-friendly type clean manufacturing crude benzol slag-draining device according to claim 6, it is characterised in that tail gas washing column
Inside is additionally provided with demister and light porcelain packing, and demister is located at the exhaust port of tail gas washing column；Light porcelain packing is located at
The lower section of demister, and be arranged at the middle part of tail gas washing column.
8. a kind of environment-friendly type clean manufacturing crude benzol slag-draining device according to claim 6, it is characterised in that each clean is followed
The pipeline input terminal that ring spray pump is connected is arranged in the lower part of tail gas washing column, and output end is arranged in the upper of tail gas washing column
Portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820274582.6U CN207891314U (en) | 2018-02-27 | 2018-02-27 | A kind of environment-friendly type clean manufacturing crude benzol slag-draining device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820274582.6U CN207891314U (en) | 2018-02-27 | 2018-02-27 | A kind of environment-friendly type clean manufacturing crude benzol slag-draining device |
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| CN207891314U true CN207891314U (en) | 2018-09-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148637A (en) * | 2018-02-27 | 2018-06-12 | 山东恒信高科能源有限公司 | A kind of environment-friendly type clean manufacturing crude benzol slag-draining device and process |
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- 2018-02-27 CN CN201820274582.6U patent/CN207891314U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148637A (en) * | 2018-02-27 | 2018-06-12 | 山东恒信高科能源有限公司 | A kind of environment-friendly type clean manufacturing crude benzol slag-draining device and process |
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