CN108624340A - Wet method coke pressure quenching system and coke quenching method - Google Patents
Wet method coke pressure quenching system and coke quenching method Download PDFInfo
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- CN108624340A CN108624340A CN201710156964.9A CN201710156964A CN108624340A CN 108624340 A CN108624340 A CN 108624340A CN 201710156964 A CN201710156964 A CN 201710156964A CN 108624340 A CN108624340 A CN 108624340A
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- flue gas
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- 238000010791 quenching Methods 0.000 title claims abstract description 216
- 230000000171 quenching effect Effects 0.000 title claims abstract description 216
- 239000000571 coke Substances 0.000 title claims abstract description 200
- 238000000034 method Methods 0.000 title claims abstract description 72
- 239000003546 flue gas Substances 0.000 claims abstract description 115
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000010025 steaming Methods 0.000 claims abstract description 80
- 239000007921 spray Substances 0.000 claims abstract description 53
- 239000007789 gas Substances 0.000 claims abstract description 40
- 238000000746 purification Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 102
- 238000005507 spraying Methods 0.000 claims description 34
- 230000004087 circulation Effects 0.000 claims description 27
- 238000004062 sedimentation Methods 0.000 claims description 27
- 238000012856 packing Methods 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 21
- 230000008676 import Effects 0.000 claims description 15
- 239000000779 smoke Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 8
- 235000019504 cigarettes Nutrition 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 230000000505 pernicious effect Effects 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 11
- 239000000126 substance Substances 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 6
- 238000005201 scrubbing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000004939 coking Methods 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
- C10B39/04—Wet quenching
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses wet method coke pressure quenching system and wet method coke pressure quenching method, wet method coke pressure quenching system includes：Coke quenching tank which is provided with cover, and the first sprinkler part to being packed into the red burnt spray in coke quenching tank is equipped in coke quenching tank；Flue gas scrubber, in be equipped with the second sprinkler part, flue gas scrubber is connected to by flue with coke quenching tank so that the flue gas in it enters flue gas scrubber, and the second sprinkler part sprays the flue gas in entrance flue gas scrubber, so as to gas cleaning and cool down；And steaming tower, third sprinkler part is equipped in it, steaming tower is connected to by jet chimney with coke quenching tank so that the steam in it enters steaming tower, and third sprinkler part is sprayed to entering the steam in steaming tower, so as to steam purification and cool down.The wet method coke pressure quenching system of the present invention is carried out under conditions of totally-enclosed, and pollution is not generated substantially during quenching, can be utilized waste water quenching, is a low cost, the quenching technology of low input.
Description
Technical field
The present invention relates to wet method coke pressure quenching system and coke quenching method, the flue gas and steam for being generated to wet quenching are net
Change is handled.Belong to wet quenching technical field.
Background technology
China is coke production, consumption and big export country, and to the end of the year 2015, national coking production capacity is 6.87 hundred million tons, practical
4.5 hundred million tons or so of yield.Many coal chemical enterprises domestic at present still use conventional wet lay quenching technology, wet quenching to have investment
Less, the simple for process, advantages such as operating cost is low；But during quenching, coke consumption per ton falls 0.5 ton or so of water, water
With become gas after coke heat, wherein comprising phenol, sulfide, cyanide, more than the ten kinds of organic compound such as CO, CO2, these gas
Body forms mixed airflow with the large quantity of air sucked from quenching tower open at both ends, while carrying a large amount of water droplets and coke powder secretly and escaping from tower top
Go out, forms atmosphere pollution.Harmful chemical in the steam given off from quenching tower cannot be handled substantially, with quenching tower
In outer row's discharge of steam to air, serious environmental pollution is caused.
Environmental protection pressure increases at present, and wet quenching is changed to Dry Quenching by administration request coal chemical enterprise, but independent coking is looked forward to
Industry is different from integrated iron and steel works, and independent coal chemical enterprise not only storehouse large storage capacity also wants entrucking that coke product is sold to many use
Family, and dry coke quenching charcoal moisture is low, this just unavoidably generates a large amount of powder during coke conveying, sieve coke, storage, loading-unloading vehicle
Dirt causes new environmental pollution；And dry coke quenching investment is big, coke is dry put out after, coking wastewater whereabouts is also a big problem, is added
Some scaling loss is understood during dry coke quenching, a large amount of CO can be discharged2、CO、SO2, by adequately proving, it is believed that dry to put out
Burnt is not the optimal selection for solving quenching pollution.
Problem is polluted to solve wet quenching, needs to research and develop a kind of new wet quenching technology, quenching process is made to exist
Carried out under conditions of totally-enclosed, do not generate pollution substantially during quenching, and the sensible heat of coke can be recycled, be it is environmentally friendly, low at
Originally a kind of, quenching technology of low input.
Invention content
In order to solve the above problem in the prior art, a kind of wet method coke pressure quenching system of present invention offer and quenching side
Method can simultaneously purify flue gas and steam, reduce pollution to environment, and the purified steam user that can make a gift to someone is subject to profit
With reducing the discharge of steam.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions：
Wet method coke pressure quenching system, including：
Coke quenching tank, which is provided with cover, and the cover is equipped with the first spray portion for sealing coke quenching tank in the coke quenching tank
Part, first sprinkler part are used to spray the red coke being packed into the coke quenching tank；
Flue gas scrubber, interior to be equipped with the second sprinkler part, the flue gas scrubber passes through flue and the quenching
Tank is connected to, and the flue gas generated in the coke quenching tank enters the flue gas scrubber, the second sprinkler part pair through the flue
It is sprayed into the flue gas in the flue gas scrubber, so as to gas cleaning and cool down；And
Steaming tower, interior to be equipped with third sprinkler part, the steaming tower passes through jet chimney and the quenching
Tank is connected to, and the steam generated in the coke quenching tank enters the steaming tower, third spray portion through the jet chimney
Part is sprayed to entering the steam in the steaming tower, so as to steam purification and cool down.
Preferably, it is provided in the flue gas scrubber：
First packing layer, second sprinkler part are located at the top of first packing layer；With
Smoke guide pipe, the upper end are connect with the flue, and lower end stretches to the cigarette across first packing layer
The middle and lower part of gas wash tower, and the lower end of the smoke guide pipe forms bell mouth shape.
Preferably, the wet method coke pressure quenching system further includes first circulation pump, the import of the first circulation pump and institute
It states bottom in flue gas scrubber to be connected to, the inlet communication of the outlet and second sprinkler part of the first circulation pump is described
First circulation pump is sprayed for the recirculated water in the flue gas scrubber to be delivered to second sprinkler part.
Preferably, the wet method coke pressure quenching system further includes air-introduced machine and chimney, and the air-introduced machine is used for the cigarette
Purified flue gas introduces the smoke stack emission in gas wash tower.
Preferably, it is provided in the steaming tower：
Second packing layer, the third sprinkler part are located at the top of second packing layer；With
Steam guiding tube, the upper end are connected to the jet chimney, and lower end stretches to the steaming across second packing layer
The middle and lower part of vapour scrubbing tower, and the lower end of the steam guiding tube forms bell mouth shape.
Preferably, the wet method coke pressure quenching system further includes：
Filter, the inlet communication of the upper end outlet and the third sprinkler part；With
Second circulation pumps, and import is connected to bottom in the steaming tower, the lower end of outlet and the filter
Inlet communication, the second circulation pump by the recirculated water in the steaming tower for being delivered to the filter, through described
The filtered recirculated water of filter enters the third sprinkler part to be sprayed to the steam in the steaming tower.
Preferably, the wet method coke pressure quenching system further includes：
Water tank is connected to by circulating water pipeline with the upper end outlet of the filter；
Third circulating pump, import are connected to the lower part of the water tank, the upper end outlet of outlet and the filter
Connection, for the recirculated water in water tank to be pumped into the filter, with to the Filter Back Washing；With
The lower end of sedimentation basin, the lower end import of the filter, the lower end of flue gas scrubber and steaming tower connects
Pass to the sedimentation basin.
Preferably, the wet method coke pressure quenching system further includes surge tank, and the surge tank is set to the steaming tower
Between the sedimentation basin, the recirculated water in the steaming tower is discharged into the surge tank, and cool down drop in the surge tank
The recirculated water containing coke powder is discharged into the sedimentation basin after pressure.
Preferably, the wet method coke pressure quenching system further includes being used for providing spray for the wet method coke pressure quenching system
At least one aqua storage tank of water；Wherein,
The aqua storage tank is connect with first sprinkler part, for supplying water for first sprinkler part；
The aqua storage tank is connected to the flue gas scrubber and steaming tower, for the previously-introduced spray use into the two
Recirculated water；
The aqua storage tank is connected to the sedimentation basin, so that the upper layer clear water that sedimentation basin is settled out feeds aqua storage tank.
Preferably, the 4th sprinkler part, the 4th spray portion are respectively arranged in the flue and jet chimney
Part is arranged adjacent to the coke quenching tank, for cooling down to the flue gas and steam that are discharged from coke quenching tank.
Preferably, first sprinkler part subregion in the coke quenching tank is arranged, and is respectively the top being located at cover
Portion's spraying zone, the middle part spraying zone positioned at the top spraying zone on tank body top and in the middle part of tank body, wherein the top is sprayed
Leaching area and middle part spraying zone are divided into Cheng multilayer setting.
Present invention simultaneously discloses a kind of wet method coke pressure quenching methods comprising following steps：
A) start the sprinkler part in flue gas scrubber, sprayed into the flue gas scrubber；
B) red coke is packed into coke quenching tank, the flue gas in coke quenching tank enters the flue gas scrubber, flue gas through flue
Sprinkler part in scrubbing tower removes dust and pernicious gas to flue gas spraying purification；
C) dress is burnt completes, sealed tank cap；
D) start the sprinkler part in steaming tower, sprayed into the steaming tower, while making fume pipe
Road ends, and closes the sprinkler part in flue gas scrubber；
E) start the sprinkler part in coke quenching tank, the red coke being packed into coke quenching tank is sprayed；
F) steam that coke quenching tank internal cause spray generates enters steaming tower, the spray in steaming tower through jet chimney
Component is to steam spray cleaning, except the dust and pernicious gas contained by devaporation；
G) it when the bottom temp in coke quenching tank is less than 200 DEG C, closes all in the coke quenching tank and steaming tower
Sprinkler part；
It h) will be red burnt from the releasing of quenching pot bottom after extinguishing and cooling.
Preferably, wherein step e) specifically comprises the following steps：
E1) start the sprinkler part at the cover of coke quenching tank first；
E2) it is then turned on the sprinkler part positioned at coke quenching tank top；
E3 e1) is adjusted) step and e2) the total spray flux of sprinkler part in step, the pressure in coke quenching tank is controlled
In 0.6Mpa or less；
E4) when the temperature in coke quenching tank more than middle part is reduced to 500 DEG C or less, only retain the spray portion on coke quenching tank top
The part of position on the lower in part continues to spray, the position being then turned in the sprinkler part in the middle part of coke quenching tank it is top one
Part sprinkler part is sprayed；
E5) when middle part temperature below is reduced to 500 DEG C or less in coke quenching tank, the spray on all coke quenching tank tops is closed
Component；And the sprinkler part in the middle part of coke quenching tank is all turned on.
The wet method coke pressure quenching system of the present invention and the advantageous effect of wet method coke pressure quenching method are：
1, the present invention carries out wet quenching in confined conditions using single tank (i.e. only one coke quenching tank), due to quenching process
It is carried out under conditions of totally-enclosed, therefore, pollution is not generated substantially during quenching.
2, the present invention can utilize waste water quenching, using the sensible heat of coke, to the organic matter pyrolysis in waste water, evaporation, so
Again therefore purified treatment is an environmental protection, low cost, the quenching technology of low input afterwards.
3, the flue gas and steam that quenching process generates can be purified respectively, and purified flue gas emission will not cause environment
Pollution；And purified steam can be with secondary use, to reduce the discharge of steam.
Description of the drawings
Fig. 1 is the structural schematic diagram of the wet method coke pressure quenching system of the embodiment of the present invention.
Reference sign
1- coke quenching tanks；2- flue gas scrubbers；3- steaming towers；4- covers；The first sprinkler parts of 5-；The second sprays of 6- portion
Part；7- third sprinkler parts；The gas outlets 8-；The first valves of 9-；The second valves of 10-；The first packing layers of 11-；12- smoke guide pipes；13-
Air-introduced machine；14- chimneys；The second packing layers of 15-；16- steam guiding tubes；17- steam (vapor) outlets；18- first circulations pump；19- second circulations
Pump；20- filters；21- water tanks；22- third circulating pumps；23- circulating water pipelines；24- sedimentation basins；25- surge tanks；26- is stored up
Sink；27- feed pipes；28- water pumps；29- pressure detectors；30- temperature detectors；31- discharge ducts；The 5th spray portions 32-
Part；The 6th sprinkler parts of 33-；34- flues；35- jet chimneys；36- exhanst gas outlets.
Specific implementation mode
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as the limit to the present invention
It is fixed.
As shown in Figure 1, wet method coke pressure quenching system disclosed by the embodiments of the present invention, including：Coke quenching tank 1, flue gas scrubber 2
With steaming tower 3；Wherein, coke quenching tank 1 is equipped with cover 4, and cover 4 in coke quenching tank 1 for installing red defocused sealing quenching
Tank 1.The first sprinkler part 5 is equipped in coke quenching tank 1, and (the first sprinkler part 5 setting many places in coke quenching tank 1 (will hereafter be situated between in detail
Continue), there is no indicating all the first sprinkler parts 5 in Fig. 1, and only indicate part), the first sprinkler part 5 is used
It is sprayed in the red coke being packed into coke quenching tank 1, to extinguish red coke.During filling burnt, it will produce in coke quenching tank 1 a large amount of
The flue gas of high temperature, and during being sprayed to red coke, the steam of a large amount of high temperature is will produce in coke quenching tank 1, flue gas washing
Tower 2 and steaming tower 3 then carry out carrying out washing treatment to the flue gas and steam that are generated in coke quenching tank 1 respectively.Specifically, flue gas washing
The second sprinkler part 6 is equipped in tower 2, flue gas scrubber 2 is connected to by flue 34 with coke quenching tank 1, burnt in dress in coke quenching tank 1
The flue gas that process generates enters flue gas scrubber 2 through flue 34, and the second sprinkler part 6 is to entering in flue gas scrubber 2
Flue gas is sprayed, and removes coke powder or dust contained in flue gas, and can be dissolved in the harmful substance of water, flue gas is made to obtain only
Change, while also making flue gas cool-down.Third sprinkler part 7 is equipped in steaming tower 3, steaming tower 3 passes through jet chimney 35
It is connected to coke quenching tank 1, the steam generated in spray process in coke quenching tank 1 enters steaming tower 3, third spray through jet chimney 35
Leaching component 7 is sprayed to entering the steam in steaming tower 3, except coke powder contained in devaporation and can be dissolved in water
Harmful chemical makes steam be purified and cool down.
The present invention carries out wet quenching in confined conditions using single tank (i.e. only one coke quenching tank 1), can be simultaneously to cigarette
Gas and steam are purified, and the discharge of steam is reduced.Since quenching process carries out under conditions of totally-enclosed, it puts out
Pollution is not generated substantially during burnt, and can recycle the sensible heat of coke, is a kind of quenching skill of environmentally friendly low cost, low input
Art.
The connection type of cover 4 and coke quenching tank 1 and the open and close mode of cover 4 can there are many, the present embodiment
In cover 4 be connected in a rotatable way on coke quenching tank 1, the rotation of cover 4 can utilize driving device (not shown)
It realizes, when filling burnt, driving device can be such that cover 4 is opened to the offside of the coke quenching cart for transporting red coke, after the completion of dress is burnt, drive
Dynamic device drives cover 4 to turn round and is sealed on coke quenching tank 1 again.Since the working environment of coke quenching tank 1 is high temperature, cover 4
Using cooling water-stop.
Can only be arranged one for flue gas and the gas outlet 8 of steam to be discharged on coke quenching tank 1, can also be arranged it is multiple, when
Only be arranged one when, gas outlet 8 is connect with one section of common conduit, then recycling threeway again with flue 34 and jet chimney
35 connections.Due to will produce a large amount of gas during dress coke and quenching, if a gas outlet 8 is only opened up, in order to make gas
Body is discharged as early as possible, and the bore of gas outlet 8 is bound to be opened up bigger, if gas outlet 8 is opened larger, necessarily affects quenching
The integral strength of tank 1, certainly, if 8 quantity of gas outlet opens up the excessive intensity that can also influence coke quenching tank 1 on coke quenching tank 1.Cause
This, in the present embodiment, has opened up two gas outlets 8, a gas outlet 8, another outlet is illustrated only in Fig. 1 on coke quenching tank 1
Mouth 8 is not shown due to being blocked by the gas outlet 8.When the gas outlet 8 on coke quenching tank 1 is more than two, 34 He of flue
Jet chimney 35 can be connected from different gas outlets 8 respectively, naturally it is also possible to be used and be connected in such a way that a gas outlet 8 is identical
It connects.The present embodiment is then that each gas outlet 8 is separately connected one section of common conduit, and every common conduit is connected by threeway respectively again
A piece flue 34 and a jet chimney 35.It is separately provided for that pipeline is made to cut on jet chimney 35 and flue 34
Only or conducting valve.As shown in Figure 1, the first valve 9 for being arranged on flue 34 and being arranged on jet chimney 35
Second valve 10.
Continuing with Fig. 1, the first packing layer 11 is provided in flue gas scrubber 2, and (setting of the first packing layer 11 can make
The cycle water distribution of spray evenly, so that shower water comes into full contact with flue gas, improves purification efficiency, second be subsequently noted
Packing layer 15 is identical as the effect of the first packing layer 11, subsequently will not be described again) and smoke guide pipe 12, the second sprinkler part 6 be located at
The top of first packing layer 11；The upper end of smoke guide pipe 12 is connect with flue 34, for accessing flue gas, the lower end of smoke guide pipe 12
The middle and lower part of flue gas scrubber 2 is stretched to across the first packing layer 11, and the lower end of smoke guide pipe 12 forms bell mouth shape.Carry out self-extinguishment
The flue gas of burnt tank 1 is first into the middle and lower part of flue gas scrubber 2 through smoke guide pipe 12, and then flue gas rises, in the process of rising
In the recirculated water that is sprayed with the second sprinkler part 6 for being positioned above (below will be to the source of recirculated water and recycling
Process illustrates) it is come into full contact with, the coke powder in flue gas is taken away by recirculated water, and purified flue gas is by 36 row of exhanst gas outlet
Go out.Exhanst gas outlet 36 is arranged in flue gas scrubber 2 at the upper end, and its position is on the second sprinkler part 6, so that
The recirculated water of flue gas and spray comes into full contact with, effectively to be purified.
As shown in Figure 1, in order to make the flue gas in coke quenching tank 1 smoothly and quickly enter flue gas scrubber 2, wet method pressure is put out
Burnt system further includes air-introduced machine 13 and chimney 14, and air-introduced machine 13 is connect with the exhanst gas outlet 36 of flue gas scrubber 2, flue gas scrubber
Purified flue gas first passes around air-introduced machine 13 in 2, is then discharged by chimney 14.
The structure of steaming tower 3 is similar with the structure of flue gas scrubber 2, referring to Fig. 1, is provided in steaming tower 3
Second packing layer 15 and steam guiding tube 16, third sprinkler part 7 are located at the top of the second packing layer 15；The upper end of steam guiding tube 16 and steaming
Steam pipe road 35 is connected to, and lower end stretches to the middle and lower part of steaming tower 3, and the lower end of steam guiding tube 16 across the second packing layer 15
Form bell mouth shape.Steam from coke quenching tank 1 is first into the middle and lower part of steaming tower 3 through steam guiding tube 16, then steams
Vapour rises, and the recirculated water that steam sprays during rising with the third sprinkler part 7 being positioned above is come into full contact with,
Coke powder in steam is taken away by recirculated water, and is deposited to the bottom of steaming tower 3, and purified steam passes through steam (vapor) outlet 17
Discharge, the steam after discharge can be passed through user, can be used for user heating etc..The setting of steam (vapor) outlet 17 is leaned in steaming tower 3
At nearly the upper end, and its position is on third sprinkler part 7, so that the recirculated water of steam and spray comes into full contact with, to be had
Effect purification.
In order to conserve water, the useful water of institute of wet method coke pressure quenching system all recycles, and will be recycled in the present invention
Each process or each equipment in water be referred to as recirculated water.Recirculated water circulated sprinkling in flue gas scrubber 2, steaming
Recirculated water in tower 3 also circulated sprinkling.Specifically, referring to Fig. 1, wet method coke pressure quenching system further includes first circulation pump 18 and the
Two circulating pumps 19.The import of first circulation pump 18 is connected to the bottom of flue gas scrubber 2, the outlet and second of first circulation pump 18
The inlet communication of sprinkler part 6, first circulation pump 18 by the recirculated water in flue gas scrubber 2 for being delivered to the second sprinkler part
6 are sprayed, and the water sprayed out through the second sprinkler part 6 is fallen into again in flue gas scrubber 2, then are delivered to by first circulation pump 18
Third sprinkler part 7, so recycles.Second circulation pump 19 by the recirculated water in steaming tower 3 for being delivered to third
Sprinkler part 7 is sprayed, and the water sprayed out through third sprinkler part 7 falls into steaming tower 3, then pumped by second circulation again
19 are delivered to third sprinkler part 7, so recycle.
Since the recirculated water in steaming tower 3 is repeatedly contacted with steam, also a large amount of coke powder or other
Harmful substance also increases filter 20 between second circulation pump 19 and third sprinkler part 7 in the present embodiment, is followed by second
The recirculated water that ring pump 19 pumps out enters back into third sprinkler part 7 after filter 20 filters the substances such as removal coke powder and is sprayed,
Specifically, referring to Fig. 1, the import of second circulation pump 19 is connected to the bottom in steaming tower 3, outlet and filter 20
The upper end outlet of lower end inlet communication, filter 20 is connect with the import of third sprinkler part 7.
Continuing with Fig. 1, when filter 20 after a period of use, filter efficiency can reduce, and need to carry out it instead
It rinses, the present embodiment also adds water tank 21 and third circulating pump 22 for being backwashed to it.Water tank 21 passes through
Circulating water pipeline 23 is connected to the upper end outlet of filter 20.The import of third circulating pump 22 is connected to the lower part of water tank 21,
Its outlet is connected to the upper end outlet of filter 20.Under 20 normal operating condition of filter, go out from 20 upper end outlet of filter
The recirculated water come can be passed through third sprinkler part 7, can also be passed through water tank 21, i.e. water in water tank 21 can be from filter
20 obtain, and can also be provided by outside.When filter 20 needs backwash, start third circulating pump 22, third circulating pump 22 will
Recirculated water in water tank 21 is pumped into from the upper end outlet of filter 20 in the filter 20；It recoils to filter 20
It washes, backwashing water exports discharge by the lower end of filter 20.
Continuing with Fig. 1, in order to recycle the recirculated water from 20 lower end of filter outlet discharge, the wet method pressure of the present embodiment
Quenching system further includes sedimentation basin 24, and the lower end import of the filter 20 is connected to sedimentation basin 24, the recoil in filter 20
Wash water is drained into sedimentation basin 24 through lower end import.
In addition, when in flue gas scrubber 2 and steaming tower 3 recirculated water recycle a period of time after, in will contain
There are more coke powder, coke powder to be deposited in the bottom of flue gas scrubber 2 and steaming tower 3, need to being deposited in its lowermost end
Coke powder periodically discharges, and therefore, the lower end of the flue gas scrubber 2 of the present embodiment and the lower end of steaming tower 3 are connected to institute
Sedimentation basin 24 is stated, when needing discharge to be deposited in the coke powder of bottom, is separately turned on the bottom of flue gas scrubber 2 and steaming tower 3
The gate valve in portion is vented to sedimentation basin 24.
Since the temperature and pressure in steaming tower 3 is all higher, the recirculated water gone out from its lower discharge is also high temperature height
Pressure, in order to ensure that safety, the present embodiment are additionally provided with surge tank 25 between steaming tower 3 and sedimentation basin 24, steam is washed
The recirculated water containing coke powder washed in tower 3 is first discharged into surge tank 25, the recirculated water containing coke powder after decrease temperature and pressure in surge tank 25
It is discharged into sedimentation basin 24 again, the upper end of surge tank 25 is provided with discharge duct 31, and discharge duct 31 is connect with chimney 14, will be in it
Gas be discharged into chimney 14,1 part for illustrating only portion discharge pipeline 31 in figure.
In addition, since the recirculated water in flue gas scrubber 2 and steaming tower 3 has consumption in cyclic process, and
Can also the coke powder of tower bottom precipitation be periodically discharged into sedimentation basin 24, contain recirculated water in coke powder, it is also inevitable when discharging coke powder
Recirculated water can be taken away, therefore, it is necessary to periodically fill into recirculated water into flue gas scrubber 2 and steaming tower 3, to ensure normally to follow
Ring uses.Moreover, the cycle in whole system is initial, it is also necessary to inject follow into flue gas scrubber 2 and steaming tower 3 in advance
Ring water, so as to recycle.The wet method coke pressure quenching system of the present embodiment further includes for being wet method coke pressure quenching system
At least one aqua storage tank 26 of spray-water is provided；As shown in Figure 1, aqua storage tank 26 is connect with the first sprinkler part 5, for being the
One sprinkler part 5 provides spray-water；Aqua storage tank 26 also by feed pipe 27 respectively with flue gas scrubber 2 and steaming tower 3
Connection, for injecting recirculated water in two scrubbing towers in advance.Feed pipe 27 can directly with smoke guide pipe 12 and steam guiding tube 16
Upper end connects, and recirculated water has respectively entered steaming tower 3 and flue gas scrubber 2 through steam guiding tube 16 and smoke guide pipe 12.In order to make
Feed pipe 27 can not only play moisturizing, moreover it is possible to play the role of spray, the feed pipe 27 in the present embodiment is additionally provided with difference
The 5th sprinkler part 32 in smoke guide pipe 12 and steam guiding tube 16 and the 6th sprinkler part 33, it is not only sharp in washing process
It is sprayed with the second sprinkler part 6 and third sprinkler part 7, the 5th sprinkler part 32 and the 6th sprinkler part 33 can be in cigarettes
Gas and steam enter the initial of scrubbing tower and carry out sprinkling purification to it.
In order to facilitate use, the aqua storage tank 26 shown in the present embodiment is two to be connected.Feed pipe 27 and one of them
Aqua storage tank 26 connects, another aqua storage tank 26 is connect with the first sprinkler part 5, for supplying water for the first sprinkler part 5.In order to follow
Ring feeds aqua storage tank 26 again in sedimentation basin 24 using the water in sedimentation basin 24, recirculated water after precipitation.Continuing with Fig. 1, precipitation
Contraminated zone and clear water zone are distinguished in pond 24, send out flushing water and recirculated water in flue gas scrubber 2 and steaming tower 3 first
Proceed to contraminated zone to be precipitated, the clean water overflow after precipitation to clear water zone, clear water is delivered to aqua storage tank 26 through water pump 28, then follows
Ring uses, and the coke powder being settled out in sedimentation basin 24 is periodically pulled out.
Since the flue gas and vapor (steam) temperature that are discharged out of coke quenching tank 1 are all very high, fume pipe can be damaged during conveying
Road 34 and jet chimney 35, the present embodiment are also respectively provided with the 4th sprinkler part in flue 34 and jet chimney 35
(not shown in figure 1), and the 4th sprinkler part is arranged adjacent to coke quenching tank 1, for the flue gas that is discharged from coke quenching tank 1 and steam into
Row cooling.By being connect with coke quenching tank 1 by one section of common conduit in this present embodiment, therefore, the setting of the 4th sprinkler part exists
In common conduit, and close to the gas outlet 8 of coke quenching tank 1.To enter initially just being carried out at cooling to it for pipeline in gas
Reason.
With continued reference to Fig. 1, the first sprinkler part 5 subregion in coke quenching tank 1 is arranged, and is divided into three areas in the present embodiment, i.e.,
Top spray area at cover 4, is located at the top spraying zone in tank body top and the middle part in tank body middle part is sprayed
Area is drenched, the first sprinkler part 5 in middle and upper part spraying zone and middle part spraying zone is divided into Cheng multilayer setting.The Sub-region and hierarchical sprays
The mode of leaching can be to the red burnt abundant quenching of progress.In the present embodiment, top spraying zone shares three layers, i.e., in the spraying zone of top
First sprinkler part 5 is divided into three-layer set from top to bottom；Middle part spraying zone shares two layers, i.e. the first spray in the spraying zone of middle part
Component 5 is divided into two layers of setting from top to bottom.
In order to detect the temperature of pressure and different location in coke quenching tank 1, to adjust the first spray in different zones
The keying of component 5 and total spray flux are drenched, also sets up that there are one pressure detectors 29 (such as pressure sensor) in coke quenching tank 1
With multiple temperature detectors 30 (such as temperature sensor).Wherein pressure detector 29 is arranged on the top of coke quenching tank 1.Temperature is examined
Survey middle and upper part, middle part, middle and lower part and bottom that device 30 is separately positioned on coke quenching tank 1.
Any structure that can realize spraying effect in the prior art may be used in all sprinkler parts in the present embodiment
Form, such as nozzle, jet pipe etc..In order to realize that uniform spraying, each sprinkler part can have multiple water jets.Multiple water sprays
Mouth can be arranged in rows, and can also be divided arranged in rows, can be located at same level between multiple rows of, can also be located at same longitudinal direction
Face.
The present invention discloses a kind of wet method coke pressure quenching methods based on above-mentioned wet method coke pressure quenching system comprising
Following steps：
A) start the second sprinkler part 6 in flue gas scrubber 2 first, sprayed into flue gas scrubber 2；
B) it and then in coke quenching tank 1 is packed into red coke, will produce flue gas in coke quenching tank 1 during dress is burnt, flue gas is through flue gas
Pipeline 34 enters flue gas scrubber 2, and the recirculated water that the second sprinkler part 6 sprays removes the coke in flue gas to flue gas spraying purification
Powder and the pernicious gas that water can be dissolved in；
C) after the completion of dress is burnt, sealed tank cap 4；
D) start the third sprinkler part 7 in steaming tower 3, sprayed into steaming tower 3, simultaneously close off cigarette
The first valve 9 in feed channel 34 makes flue 34 end, and closes the second sprinkler part 6；
E) start the first sprinkler part 5 in coke quenching tank 1, the red coke being packed into coke quenching tank 1 is sprayed；
F) steam that 1 internal cause of coke quenching tank spray generates enters steaming tower 3 through jet chimney 35, in steaming tower 3
Third sprinkler part 7 to steam spray cleaning, dust and pernicious gas contained by steam；
G) when the bottom temp in coke quenching tank 1 is less than 200 DEG C, judgement quenching terminates, and closes the first spray in coke quenching tank 1
Component 5 is drenched, the third sprinkler part 7 in steaming tower 3 is then turned off；
It h) will be red burnt from the releasing of 1 bottom of coke quenching tank after extinguishing and cooling.
The wet method coke pressure quenching method of the present invention is specifically described below：Firstly the need of explanation, flue gas
Scrubbing tower 2 and 3 planted agent of steaming tower contain recirculated water in advance, can also temporarily be injected before system startup.It first turns on
Recirculated water in aqua storage tank 26 is sprayed to flue gas scrubber 2 by the 5th sprinkler part 32 through feed pipe 27, and keeps the 5th spray
Drench the open state of component 32；The first valve 9 being then turned on flue 34, and open air-introduced machine 13 and first circulation pump
18, the second sprinkler part 6 starts to spray, and the 5th sprinkler part 32 and the second sprinkler part 6 simultaneously purify flue gas；It opens again
The 4th sprinkler part is opened, the flue gas come out from coke quenching tank 1 is sprayed, so as to flue gas cool-down and reduce the volume of flue gas, cigarette
The coke powder of 2 bottom precipitation of gas wash tower is periodically drained into sedimentation basin 24, and (part recirculated water can be discharged with coke powder, and discharge follows
Ring water enters the recycling of sedimentation basin 24)；Then it is packed into red coke into coke quenching tank 1, closes cover 4, and seal；Open the second valve
Door 10, while the pipeline being connected on the steam (vapor) outlet 17 of steaming tower 3 is in the conduction state；Air-introduced machine 13 is shut down, is closed
Close first circulation pump 18；Then the 6th sprinkler part 33 is opened, and closes the first valve 9；It is then turned on second circulation and pumps 19, second
Recirculated water in steaming tower 3 is delivered to filter 20 by circulating pump 19, enters third spray portion after the filtering of filter 20
Part 7 is sprayed, to be purified to the steam in steaming tower 3；The coke powder of 3 bottom precipitation of steaming tower is periodically discharged into
To surge tank 25, after cooling down and be depressured in surge tank 25, it is drained into sedimentation basin 24 from the lower part of surge tank 25, surge tank 25
Gas is discharged into chimney 14 from upper part；The first sprinkler part 5 being then turned in the top spray area of coke quenching tank 1, further according to putting out
Pressure condition in burnt tank 1 open in the spraying zone of top three layer of first sprinkler part 5 (if pressure increases in coke quenching tank 1,
The first sprinkler part 5 in the spraying zone of part top is only opened, conversely, being then all turned on)；And according to the pressure in coke quenching tank 1
Total spray flux is adjusted (equally, if pressure is larger in coke quenching tank 1, to open sprinkler part less, if pressure declines, increase
Add the unlatching quantity of sprinkler part)；When the temperature in coke quenching tank 1 more than middle part is reduced to 500 DEG C, top spraying zone only retains one
Layer the first sprinkler part 5 spray, other closings；It is then turned on top one layer of first sprinkler part 5 in the spraying zone of middle part, when putting out
It is to close all first sprinkler parts 5 in the spraying zone of top that middle part temperature below, which is reduced to 500 DEG C, in burnt tank 1, opens institute
There is the first sprinkler part 5 in the spraying zone of middle part；When bottom temp is less than 200 DEG C in coke quenching tank 1, judgement quenching terminates, and closes
All first sprinkler parts 5 are closed, second circulation pump 19 is closed, closes third sprinkler part 7 and the 4th sprinkler part；Work as coke quenching tank
When pressure in 1 drops to 1000Pa or less, cover 4 is opened, opens the put-focus gate valve of 1 bottom of coke quenching tank, put-focus, quenching is complete at this time
Finish.
As a kind of preferred embodiment of the present embodiment, spraying by the way of spraying successively from top to bottom in coke quenching tank 1,
Specifically, step e) specifically comprises the following steps：
E1) start the first sprinkler part 5 in the top spray area at the cover 4 of coke quenching tank 1 first；
E2) it is then turned on the first sprinkler part 5 in the top spraying zone on 1 top of coke quenching tank；
E3 top spray area and the total spray flux of top spraying zone) are adjusted, the pressure control in coke quenching tank 1 is existed
0.6Mpa is hereinafter, and keep pressure almost constant in coke quenching tank 1；
E4) when the temperature in coke quenching tank 1 more than middle part is reduced to 500 DEG C or less, one in the spraying zone of top is closed
Divide the first sprinkler part 5, is then turned on the first spray of the top part in position in the middle part spraying zone at 1 middle part of coke quenching tank
Component 5；
E5 it) when middle part temperature below is reduced to 500 DEG C or less in coke quenching tank 1, closes in all top spraying zones
First sprinkler part 5；The first sprinkler part 5 in the spraying zone of middle part is all turned on again.
Further, further include opening altogether between step a) and step b) since the temperature of flue gas and steam is relatively high
The step of with four sprinkler part in pipeline.
The representative embodiment of the present invention has obtained detailed description.These detailed descriptions are not used in the model to the present invention
It encloses and is limited.Those skilled in the art can make various modifications to the present invention within the spirit and scope of the present invention
Or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.Therefore, it is retouched in detail aforementioned
The combination for the feature stated is not necessary for implementing the present invention in most broad range, and alternatively only to this hair
The bright representative embodiment being especially described in detail provides introduction.In addition, in order to obtain the additional useful embodiment of the present invention,
A variety of different features of introduction are provided in specification to be combined in several ways, however these modes are not particularly by example
It enumerates and.
Claims (13)
1. wet method coke pressure quenching system, including：
Coke quenching tank which is provided with cover, and for the cover for sealing coke quenching tank, the coke quenching tank is interior to be equipped with the first sprinkler part,
First sprinkler part is used to spray the red coke being packed into the coke quenching tank；
Flue gas scrubber, interior to be equipped with the second sprinkler part, the flue gas scrubber passes through flue and the coke quenching tank connects
Logical, the flue gas generated in the coke quenching tank enters the flue gas scrubber through the flue, and the second sprinkler part is to entering
Flue gas in the flue gas scrubber is sprayed, so as to gas cleaning and cool down；And
Steaming tower, interior to be equipped with third sprinkler part, the steaming tower passes through jet chimney and the coke quenching tank connects
Logical, the steam generated in the coke quenching tank enters the steaming tower, the third sprinkler part pair through the jet chimney
It is sprayed into the steam in the steaming tower, so as to steam purification and cool down.
2. wet method coke pressure quenching system according to claim 1, which is characterized in that be provided in the flue gas scrubber：
First packing layer, second sprinkler part are located at the top of first packing layer；And smoke guide pipe, the upper end with it is described
Flue connects, and lower end passes through first packing layer to stretch to the middle and lower part of the flue gas scrubber, and described leads cigarette
The lower end of pipe forms bell mouth shape.
3. wet method coke pressure quenching system according to claim 1, which is characterized in that the wet method coke pressure quenching system is also wrapped
First circulation pump is included, the import of the first circulation pump is connected to bottom in the flue gas scrubber, the first circulation pump
Outlet and the inlet communication of second sprinkler part, the first circulation pump is for by the recirculated water in the flue gas scrubber
Second sprinkler part is delivered to be sprayed.
4. wet method coke pressure quenching system according to claim 1, which is characterized in that the wet method coke pressure quenching system is also wrapped
Air-introduced machine and chimney are included, the air-introduced machine is used to purified flue gas in the flue gas scrubber introducing the smoke stack emission.
5. wet method coke pressure quenching system according to claim 1, which is characterized in that be provided in the steaming tower：
Second packing layer, the third sprinkler part are located at the top of second packing layer；With
Steam guiding tube, the upper end are connected to the jet chimney, and lower end stretches to the steam across second packing layer and washes
The middle and lower part of tower is washed, and the lower end of the steam guiding tube forms bell mouth shape.
6. wet method coke pressure quenching system according to claim 1, which is characterized in that the wet method coke pressure quenching system is also wrapped
It includes：
Filter, the inlet communication of the upper end outlet and the third sprinkler part；With
Second circulation pumps, and import is connected to bottom in the steaming tower, the lower end import of outlet and the filter
Connection, the second circulation pump by the recirculated water in the steaming tower for being delivered to the filter, through the filtering
The filtered recirculated water of device enters the third sprinkler part to be sprayed to the steam in the steaming tower.
7. wet method coke pressure quenching system according to claim 6, which is characterized in that the wet method coke pressure quenching system is also wrapped
It includes：
Water tank is connected to by circulating water pipeline with the upper end outlet of the filter；
Third circulating pump, import are connected to the lower part of the water tank, and outlet is connected to the upper end outlet of the filter,
For the recirculated water in water tank to be pumped into the filter, with to the Filter Back Washing；With
The lower end of sedimentation basin, the lower end import of the filter, the lower end of flue gas scrubber and steaming tower is connected to
The sedimentation basin.
8. wet method coke pressure quenching system according to claim 7, which is characterized in that the wet method coke pressure quenching system is also wrapped
Surge tank is included, the surge tank is set between the steaming tower and the sedimentation basin, the cycle in the steaming tower
Water is discharged into the surge tank, and the recirculated water containing coke powder is discharged into the sedimentation basin after decrease temperature and pressure in the surge tank.
9. wet method coke pressure quenching system according to claim 7, which is characterized in that the wet method coke pressure quenching system is also wrapped
Include at least one aqua storage tank for providing spray-water for the wet method coke pressure quenching system；Wherein,
The aqua storage tank is connect with first sprinkler part, for supplying water for first sprinkler part；
The aqua storage tank is connected to the flue gas scrubber and steaming tower, for the previously-introduced spray cycle into the two
Water；
The aqua storage tank is connected to the sedimentation basin, so that the upper layer clear water that sedimentation basin is settled out feeds aqua storage tank.
10. wet method coke pressure quenching system according to claim 1, which is characterized in that the flue and jet chimney
It is inside respectively arranged with the 4th sprinkler part, the 4th sprinkler part is arranged adjacent to the coke quenching tank, for being arranged from coke quenching tank
The flue gas and steam gone out cools down.
11. wet method coke pressure quenching system according to claim 1, which is characterized in that first sprinkler part is described
In coke quenching tank subregion be arranged, be respectively be located at cover at top spray area, positioned at tank body top top spraying zone and
Middle part spraying zone in the middle part of tank body, wherein the top spraying zone and middle part spraying zone be divided into Cheng multilayer setting.
12. a kind of wet method coke pressure quenching method, which is characterized in that include the following steps：
A) start the sprinkler part in flue gas scrubber, sprayed into the flue gas scrubber；
B) red coke is packed into coke quenching tank, the flue gas in coke quenching tank enters the flue gas scrubber, flue gas washing through flue
Sprinkler part in tower removes dust and pernicious gas to flue gas spraying purification；
C) dress is burnt completes, sealed tank cap；
D) start the sprinkler part in steaming tower, sprayed into the steaming tower, while flue being made to cut
Only, and the sprinkler part in flue gas scrubber is closed；
E) start the sprinkler part in coke quenching tank, the red coke being packed into coke quenching tank is sprayed；
F) steam that coke quenching tank internal cause spray generates enters steaming tower, the sprinkler part in steaming tower through jet chimney
To steam spray cleaning, except the dust and pernicious gas contained by devaporation；
G) when the bottom temp in coke quenching tank is less than 200 DEG C, all sprays in the coke quenching tank and steaming tower are closed
Component；
It h) will be red burnt from the releasing of quenching pot bottom after extinguishing and cooling.
13. wet method coke pressure quenching method according to claim 12, wherein step e) specifically comprises the following steps：
E1) start the sprinkler part at the cover of coke quenching tank first；
E2) it is then turned on the sprinkler part positioned at coke quenching tank top；
E3 e1) is adjusted) step and e2) the total spray flux of sprinkler part in step, the pressure control in coke quenching tank is existed
0.6Mpa or less；
E4) when the temperature in coke quenching tank more than middle part is reduced to 500 DEG C or less, in the sprinkler part for only retaining coke quenching tank top
A position part on the lower continue to spray, the top part in the position being then turned in the sprinkler part in the middle part of coke quenching tank
Sprinkler part is sprayed；
E5) when middle part temperature below is reduced to 500 DEG C or less in coke quenching tank, the spray portion on all coke quenching tank tops is closed
Part；And the sprinkler part in the middle part of coke quenching tank is all turned on.
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| CN109575960A (en) * | 2019-01-08 | 2019-04-05 | 杨玉亭 | A kind of wet process coke pressure quenching waste heat and gas recovery system |
| CN112011347A (en) * | 2020-09-09 | 2020-12-01 | 常州江南冶金科技有限公司 | Intelligent closed wet quenching water-saving and de-whitening process by using original quenching tower |
| CN112521954A (en) * | 2020-11-26 | 2021-03-19 | 邢台旭阳科技有限公司 | Coke quenching method and system |
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| CN109575960B (en) * | 2019-01-08 | 2024-06-11 | 杨玉亭 | Wet pressure quenching waste heat and gas recovery system |
| CN112011347A (en) * | 2020-09-09 | 2020-12-01 | 常州江南冶金科技有限公司 | Intelligent closed wet quenching water-saving and de-whitening process by using original quenching tower |
| CN112011347B (en) * | 2020-09-09 | 2022-06-17 | 常州江南冶金科技有限公司 | Intelligent closed wet quenching water-saving and de-whitening process by utilizing original quenching tower |
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