CN206887008U - A kind of purifying processing device of coke wet quenching steam - Google Patents
A kind of purifying processing device of coke wet quenching steam Download PDFInfo
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- CN206887008U CN206887008U CN201720722538.2U CN201720722538U CN206887008U CN 206887008 U CN206887008 U CN 206887008U CN 201720722538 U CN201720722538 U CN 201720722538U CN 206887008 U CN206887008 U CN 206887008U
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- coke
- wet quenching
- steam
- exhaust gas
- tower
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Abstract
It the utility model is related to a kind of purifying processing device of coke wet quenching steam, including wet quenching tower, in addition to exhaust gas treating device, vapor adsorption tower, cyclone separator, blower fan and coke breeze sedimentation basin；The exhaust gas treating device is shell-and-tube heat exchanger, its shell side inlet connects coke wet quenching tower top steam (vapor) outlet by high temperature steam pipeline, shell-side outlet connects the steam inlet of vapor absorption tower by jet chimney, the offgas outlet of vapor absorption tower is sequentially connected the tube-side inlet of cyclone separator, blower fan and exhaust gas treating device, the tube side outlet connection chimney of exhaust gas treating device；Vapor absorption tower, cyclone separator and exhaust gas treating device set discharge outlet and connect coke breeze sedimentation basin by condensate liquid pipeline respectively.The utility model is simple in construction, cost of investment is low, can caused a large amount of high-temperature steams during sufficiently cleaned up coke wet quenching, realize that the qualified discharge of coke wet quenching process tail gas particularly discharges without " white haze ".
Description
Technical field
It the utility model is related to wet quenching tower in industrial waste gas purifying processing technology field, more particularly to a kind of coking industry
The purifying processing device of overhead vapours.
Background technology
At present, wet quenching technology has been widely used in coking industry, based on application Dry Quenching Technology
Coke-oven plant, wet quenching also serves as a kind of overhaul reserve technology and used.Wet quenching have facility simple, reduced investment,
Low cost and other advantages, but during coke wet quenching, the high-temperature steam largely containing phenol, cyanide, sulfide and dust can be produced,
If environment will seriously be polluted by being directly discharged into air.What is newly promulgated《Coking chemistry emission of industrial pollutants standard》
(GB16171-2012) the waste gas discharge in coke-oven plant proposes higher requirement, up to now, is also not applied to wet put out
The mature technology of burnt steam purification processing.
The content of the invention
The utility model provides a kind of purifying processing device of coke wet quenching steam, and its is simple in construction, cost of investment is low, energy
Caused a large amount of high-temperature steams during enough sufficiently cleaned up coke wet quenchings, realize the qualified discharge of coke wet quenching process tail gas particularly without
" white haze " is discharged.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of purifying processing device of coke wet quenching steam, including wet quenching tower, in the wet quenching tower above coke quenching tank under
It is supreme to be sequentially provided with quenching playpipe, washing heat sink, baffling dust arrester and air-suction cover；Also include exhaust gas treating device, steam
Aspiration tower, cyclone separator, blower fan and coke breeze sedimentation basin；The exhaust gas treating device is shell-and-tube heat exchanger, its shell side inlet
Coke wet quenching tower top steam (vapor) outlet is connected by high temperature steam pipeline, shell-side outlet connects the steaming of vapor absorption tower by jet chimney
Vapour entrance, the offgas outlet of vapor absorption tower are sequentially connected the tube-side inlet of cyclone separator, blower fan and exhaust gas treating device, tail gas
The tube side outlet connection chimney of processor；Vapor absorption tower, cyclone separator and exhaust gas treating device set respectively discharge outlet pass through it is cold
Lime set pipeline connects coke breeze sedimentation basin.
The washing heat sink is spray equipment or atomizing sprayer.
The baffling dust arrester is by least 2 layers of baffle groups into every layer of deflection plate is by yoke and by broken line type arrangement
Dedusting flase floor forms, and the dedusting flase floor of each layer deflection plate is staggered.
The vapor absorption tower by housing, be arranged at the one-level coil pipe water cooler of housing internal upper part, be arranged in housing under
Portion's secondary coil water cooler and the discharge outlet composition for being arranged at housing bottom, one-level coil pipe water cooler and secondary coil water cooler
Circulation water inlet and circulating water outlet be connected respectively with the industrial cycle waterpipe in coke-oven plant.
The seamless steel pipe that coil pipe in the one-level coil pipe water cooler, secondary coil water cooler is DN15~DN200, coil pipe
Spacing is 20~100mm.
On jet chimney on high temperature steam pipeline before the exhaust gas treating device, before vapor absorption tower, wash cooling dress
Put and set electrically operated valve on the water pipeline of upstream respectively, the drive device of above electrically operated valve and cyclone separator, blower fan
Drive device connects coke wet quenching control system respectively.
Compared with prior art, the beneficial effects of the utility model are：
1) caused a large amount of high-temperature steams by processes such as steam-water heat exchangings, pass through evaporation, coagulation during coke wet quenching
Reach the purpose for fully absorbing steam thermal energy；
2) pollutants such as the steam condensate (SC) isolated in vapor absorption tower, cyclone separator and exhaust gas treating device, dust
Coke breeze sedimentation basin is drained into, the wastewater containing phenol and cyanide processing workshop section processing delivered in coke-oven plant, non-pollutant discharge can be concentrated；
3) by setting exhaust gas treating device, using the heat of high-temperature steam by unabsorbed water vapour, air etc. in tail gas
Gas is heated to unsaturated state, and the tail gas qualified discharge of air is drained into from chimney, is produced without " white haze "；
4) device it is overall by automatic control system control operation and with coke wet quenching system interlink, its is simple to operate, and operation can
Lean on, investment cost is low, efficiency high.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the purifying processing device of coke wet quenching steam described in the utility model.
In figure：1. the coke quenching tank 3. of wet quenching tower 2. washing heat sink 4. baffling dust arrester, 5. air-suction covers 6. are high
The one-level coil pipe of 101. housing of warm 7. exhaust gas treating device of jet chimney 8. blower fan, 9. jet chimney, 10. vapor adsorption tower 102.
The cyclonic separation of 13. exhaust pipe of water cooler 103. secondary coil water cooler, 11. condensate liquid pipeline, 12. coke breeze sedimentation basin 14.
Device
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of purifying processing device of coke wet quenching steam described in the utility model, including wet quenching tower 1, put out
Quenching playpipe, washing heat sink 3, baffling dust arrester 4 are sequentially provided with the wet quenching tower 1 of the burnt top of tank 2 from bottom to top
With air-suction cover 5；Also include exhaust gas treating device 7, vapor adsorption tower 10, cyclone separator 14, blower fan 8 and coke breeze sedimentation basin 12；Institute
It is shell-and-tube heat exchanger to state exhaust gas treating device 7, and its shell side inlet connects coke wet quenching overhead vapours by high temperature steam pipeline 6 and gone out
Mouthful, shell-side outlet connects the steam inlet of vapor absorption tower 10 by jet chimney 9, and the offgas outlet of vapor absorption tower 10 is successively
Connect the tube-side inlet of cyclone separator 14, blower fan 8 and exhaust gas treating device 7, the tube side outlet connection chimney of exhaust gas treating device 7；
Vapor absorption tower 10, cyclone separator 14 and exhaust gas treating device 7 set discharge outlet and sunk by the connection coke breeze of condensate liquid pipeline 11 respectively
Shallow lake pond 12.
The washing heat sink 3 is spray equipment or atomizing sprayer.
The baffling dust arrester 4 is by least 2 layers of baffle groups into every layer of deflection plate is by yoke and by broken line type arrangement
Dedusting flase floor forms, and the dedusting flase floor of each layer deflection plate is staggered.
The vapor absorption tower 10 by housing 101, be arranged at the internal upper part of housing 101 one-level coil pipe water cooler 102, set
In housing 101 bottom secondary coil water cooler 103 and be arranged at the bottom of housing 101 discharge outlet composition, one-level coil pipe water
The circulation water inlet and circulating water outlet of cooler 102 and secondary coil water cooler 103 respectively with the industrial circulating water in coke-oven plant
Pipeline connects.
The seamless steel that coil pipe in the one-level coil pipe water cooler 102, secondary coil water cooler 103 is DN15~DN200
Pipe, coil pipe spacing is 20~100mm.
On jet chimney 9 on high temperature steam pipeline 6 before the exhaust gas treating device 7, before vapor absorption tower 10, wash drop
Set electrically operated valve on the water pipeline of the warm upstream of device 3 respectively, the drive device of above electrically operated valve and cyclone separator 14,
The drive device of blower fan 8 connects coke wet quenching control system respectively.
In the utility model, the washing heat sink 3 is used to trap the big dust particle in coke wet quenching steam；Air-suction cover
5 are arranged on the top of wet quenching tower 1, and are connected by high temperature steam pipeline 6 with exhaust gas treating device 7, for by during coke wet quenching
It is sent in the shell side of exhaust gas treating device 7 after caused steam trapping and is exchanged heat with the tail gas after condensation dedusting in tube side, high temperature
Vapor (steam) temperature enters vapor absorption tower 10 after reducing, temperature rises after tail gas heat exchange, by gas such as the water vapour wherein contained, air
Body is heated to unsaturated state, makes tail gas without " white haze " qualified discharge.In vapor absorption tower 10, absorbed using industrial circulating water
Steam heat, condense steam, steam condensate (SC) flow to coke breeze sedimentation basin 12 certainly by bottom discharge mouth.
Work is handled using a kind of coke wet quenching steam purification of purifying processing device of coke wet quenching steam described in the utility model
Skill is as follows：
During coke wet quenching system starts, the pre-cooling of heat sink 3, the top of coke quenching tank 2 in wet quenching tower 1 are washed
Water smoke layer is formed, a large amount of quenching emissions caused by quenching steeply rise in the presence of heat buoyancy, by being obtained during water smoke layer
To cooling, form the condensing droplet using dust granules as kernel, continue to rise with steam, i.e., in the process, one in steam
Partial particulate dust is washed down；
Steam after washing cools continues to rise in wet quenching tower 1, and its rate of climb has declined, and is passing through folding
When flowing the grid gap on the dedusting flase floor in dust arrester 4, the condensing droplet using dust granules as kernel is adsorbed and led to
Cross mechanical collision and be deposited on dedusting flase floor, collected by the steam of preliminary purification from the top of wet quenching tower 1 by air-suction cover 5
After discharge；The coke powder particle adhered in baffling dust arrester 4 on dedusting flase floor passes through the top spray cleaning device of wet quenching tower 1
Periodically automatic cleaning.
The top of wet quenching tower 1 is by the high-temperature steam that air-suction cover 5 is collected after high temperature steam pipeline 6, exhaust gas treating device 7
Into vapor absorption tower 10, in vapor absorption tower 10, high-temperature steam and one-level coil pipe water cooler 102, secondary coil water cooler
The abundant contact heat-exchanging of industrial circulating water in 103, condensate liquid flow to vapor absorption bottom of towe certainly, and is drained into by the discharge outlet of bottom
Coke breeze sedimentation basin 12
Tail gas after the heat exchange of vapor absorption tower 10 enters cyclone separator 14 by exhaust pipe 13 and carries out double purification,
The pollutants such as its dust isolated, water droplet enter coke breeze sedimentation basin 12.
Tail gas after the double purification of whirlwind processor 14, exhaust gas treating device 7 is entered by blower fan 8, in vent gas treatment
The gas such as unabsorbed water vapour, air in tail gas is heated to unsaturated state using the heat of high-temperature steam in device 7, its point
The pollutants such as the dust that separates out, water droplet enter coke breeze sedimentation basin 12, the tail gas after heating through chimney qualified discharge, and when discharging without
" white haze " produces.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of purifying processing device of coke wet quenching steam, including wet quenching tower, in the wet quenching tower above coke quenching tank from it is lower extremely
On be sequentially provided with quenching playpipe, washing heat sink, baffling dust arrester and air-suction cover；Characterized in that, also include tail gas
Processor, vapor adsorption tower, cyclone separator, blower fan and coke breeze sedimentation basin；The exhaust gas treating device is shell-and-tube heat exchanger, its
Shell side inlet connects coke wet quenching tower top steam (vapor) outlet by high temperature steam pipeline, and shell-side outlet connects steam by jet chimney and inhaled
The steam inlet of tower is received, the offgas outlet of vapor absorption tower is sequentially connected the tube side of cyclone separator, blower fan and exhaust gas treating device
Entrance, the tube side outlet connection chimney of exhaust gas treating device；Vapor absorption tower, cyclone separator and exhaust gas treating device set draining respectively
Mouth passes through condensate liquid pipeline and connects coke breeze sedimentation basin.
A kind of 2. purifying processing device of coke wet quenching steam according to claim 1, it is characterised in that the washing cooling
Device is spray equipment or atomizing sprayer.
A kind of 3. purifying processing device of coke wet quenching steam according to claim 1, it is characterised in that the baffling dedusting
Device is by least 2 layers of baffle groups into every layer of deflection plate is made up of yoke and the dedusting flase floor arranged by broken line type, each layer folding
The dedusting flase floor of flowing plate is staggered.
A kind of 4. purifying processing device of coke wet quenching steam according to claim 1, it is characterised in that the vapor absorption
Tower by housing, be arranged at the one-level coil pipe water cooler of housing internal upper part, be arranged in housing bottom secondary coil water cooler and
It is arranged at the circulation water inlet and recirculated water of the discharge outlet composition of housing bottom, one-level coil pipe water cooler and secondary coil water cooler
Outlet is connected with the industrial cycle waterpipe in coke-oven plant respectively.
A kind of 5. purifying processing device of coke wet quenching steam according to claim 4, it is characterised in that the one-level coil pipe
The seamless steel pipe that coil pipe in water cooler, secondary coil water cooler is DN15~DN200, coil pipe spacing is 20~100mm.
A kind of 6. purifying processing device of coke wet quenching steam according to claim 1, it is characterised in that the vent gas treatment
Divide on jet chimney on high temperature steam pipeline before device, before vapor absorption tower, on the water pipeline of washing heat sink upstream
Do not set electrically operated valve, drive device, the drive device of blower fan of above electrically operated valve and cyclone separator connect wet put out respectively
Burnt control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720722538.2U CN206887008U (en) | 2017-06-20 | 2017-06-20 | A kind of purifying processing device of coke wet quenching steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720722538.2U CN206887008U (en) | 2017-06-20 | 2017-06-20 | A kind of purifying processing device of coke wet quenching steam |
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| CN206887008U true CN206887008U (en) | 2018-01-16 |
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| CN201720722538.2U Active CN206887008U (en) | 2017-06-20 | 2017-06-20 | A kind of purifying processing device of coke wet quenching steam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173650A (en) * | 2018-06-06 | 2019-01-11 | 柏美迪康环境科技（上海）股份有限公司 | A kind of quenching waste gas processing method and system |
-
2017
- 2017-06-20 CN CN201720722538.2U patent/CN206887008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173650A (en) * | 2018-06-06 | 2019-01-11 | 柏美迪康环境科技（上海）股份有限公司 | A kind of quenching waste gas processing method and system |
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