CN106433803A - Water-washing dedusting device for exhaust discharged from u-gas gasifier during start-stop period and dedusting process of water-washing dedusting device - Google Patents
Water-washing dedusting device for exhaust discharged from u-gas gasifier during start-stop period and dedusting process of water-washing dedusting device Download PDFInfo
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- CN106433803A CN106433803A CN201610651001.1A CN201610651001A CN106433803A CN 106433803 A CN106433803 A CN 106433803A CN 201610651001 A CN201610651001 A CN 201610651001A CN 106433803 A CN106433803 A CN 106433803A
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- Prior art keywords
- water
- scrubbing tower
- hint
- spray
- drop
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses a water-washing dedusting device for exhaust discharged from a u-gas gasifier during start-stop period and a dedusting process of the water-washing dedusting device. The water-washing dedusting device includes a start scrubbing tower below an exhaust outlet, the top of the start scrubbing tower is provided with an exhaust outlet pipe, a multistage spray device is arranged on the upper middle portion in the start scrubbing tower, a Pall-ring structure is arranged on the lower portion in the start scrubbing tower, and the side wall of the start scrubbing tower below the Pall-ring structure is communicated with an air inlet; the multistage spray device inside the start scrubbing tower is connected with a spray water circulation system and a spray water supply pipe. By independent design, research and development, the start scrubbing tower and the spray device in the scrubbing tower are installed, the spray waste water circulation system is designed and installed, thus a good dust removing effect is achieved, design defects of a u-gas gasification technology are remedied, and the problem that the exhaust discharged from the u-gas gasifier during start-stop period pollutes the environment is completely solved.
Description
Technical field
The present invention relates to the cleaner of u-gas gasification installation is with regard to dust collecting process field, specially a kind of u-gas gasification furnace
Drop a hint during driving and parking water washing dedust device and its dust collecting process.
Background technology
With the continuous progress of social continuous development and science and technology, people, while meeting material life, start
Cultural life and living environment are put forward higher requirement.
As the fire coal remaining as China's main energy sources at present, the dust producing in its combustion process is still air pollution
Important polluter, for the improvement in pollution that caused by coal burning source, always government and manufacturing enterprise are of interest and unremitting for a long time
The direction made great efforts.
During coal gasifying process, u-gas gasification furnace is using a kind of relatively broad gasification furnace, but u-gas
The unburned carbon in flue dust that gasification furnace is discharged is high, particle diameter is thin, easily cause environmental pollution；Cause that work site environments are poor, discharge carbon residue is high,
The big situation of energy waste.Not only have a strong impact on site environment；And cost raises, affect economic benefit.
Drop a hint during u-gas gasification installation driving and parking in prior art and be designed as live high point emptying, due to dropping a hint
Amount is up to 13000NM3/h, and contains a large amount of dust, and concentration reaches 90-150mg/NM3 so that local environment is opened in gasification furnace
Seriously polluted during parking, simultaneously because temperature of dropping a hint during driving and parking low it is impossible to be directly entered flying dust filtration system, lead to
A large amount of flying dusts are discharged by scene so that apparatus ambient contamination is serious, and coverage is up to 5km；And in existing u-
In gas gasification installation, and it is that the emptying pollution problem opened with regard to it during car provides a set of good pollution treatment device and place
Science and engineering skill, belongs to a kind of design technological deficiency.
Therefore it provides one kind is vented dust arrester during can filling up existing u-gas gasification installation driving and parking and its removes
Dirt technique, has been a good problem to study.
Content of the invention
In order to overcome above-mentioned deficiency of the prior art, the present invention provides a structure simple, easy for operation, and can
During u-gas gasification installation driving and parking, anti-pollution process well is carried out to the venting gas of gasification installation, and dust removing effects
Drop a hint during a kind of good u-gas gasification furnace driving and parking water washing dedust device and its dust collecting process.
The object of the present invention is achieved like this：
Drop a hint during a kind of u-gas gasification furnace driving and parking water washing dedust device, including being arranged on outlet 7 lower section of dropping a hint
Go into operation scrubbing tower 4, and the top of the described scrubbing tower 4 that goes into operation is provided with outlet 6 of dropping a hint, and in tower, middle top is provided with multistage spray
Shower device, is provided with Bauer ring structure 3, the scrubbing tower that goes into operation below described Bauer ring structure 3 below the scrubbing tower internal 4 that goes into operation
It is connected with, on 4 side walls, import 2 of dropping a hint；The described multi-stage spray device going into operation in scrubbing tower 4 is connected with shower water cyclic system
System and spray filling pipe 7；
It is connected by pipeline between described water spray circulation system and spray filling pipe 7, pipeline is provided with spiral nozzle punching
Wash water stop valve 8；
The lower section of described outlet 6 of dropping a hint is connected with the scrubbing tower top deflection plate 5 being located at scrubbing tower 4 inner top that goes into operation；
Described multi-stage spray device is using the spiral nozzle 13 being circumferentially distributed；
Described water spray circulation system includes three-level sedimentation tank 1, and three-level sedimentation tank 1 passes through sewage water inlet pipe and the scrubbing tower that goes into operation
4 bottoms connect, and three-level sedimentation tank 1 has been simultaneously connected with Pulp pump 12 and periodical feeding pipe is connected with multi-stage spray device；
Fluid level control valve 11, fluid level control valve 11 and the sewage going into operation between scrubbing tower 4 are provided with described sewage water inlet pipe
Emptying cleaning pipe is connected with water inlet pipe；Antifreeze pouring stop valve 10 is provided with described emptying cleaning pipe, empties cleaning pipe
Upper end connects the multi-stage spray device of next stage, and lower end connects sewage water inlet pipe；
The outer comb of outer row's stop valve 9 is connected with described periodical feeding pipe.
The dust collecting process of water washing dedust device of dropping a hint during described u-gas gasification furnace driving and parking is：
Drop a hint and enter, through import 2 of dropping a hint, scrubbing tower 4 tower bottom that goes into operation, fill through Bauer ring structure 3, multi-stage spray through gas
Through tower top baffle arrangement 5 after the shower water washing put, prolong the outer wall of scrubbing tower 4, through outlet 6 discharge ceramic filter of dropping a hint
After it filters, it is directed to high point emptying；Drop a hint and complete washing, purifying process；
Water purification after three-level sedimentation tank precipitation, is pumped to the multi-stage spray device of the middle and upper part of the scrubbing tower 4 that goes into operation, warp by slurry
Bottom two-stage spray and Bauer ring structure, washing is dropped a hint, and wash water is entered by the sewage being provided with base level control valve 11
Water pipe is expelled to three-level sedimentation tank, completes to spray water circulation；
When being vented large-minded, when the clean result of bottom two-stage spray equipment is good, open shower water moisturizing handss valve 7, to circulation
Washings carry out moisturizing, increase the clean result of scrubbing tower；The following two-stage screw shower nozzle of multi-stage spray device easily blocks simultaneously,
After driving and parking process terminates every time, spiral nozzle flushing water stop valve 8 need to be opened, it is rinsed；
It is connected with emptying cleaning pipe on fluid level control valve 11 and the sewage water inlet pipe that goes into operation between scrubbing tower 4；Described emptying is clear
Wash and antifreeze pouring stop valve 10 is provided with pipe, one is to carry out backwash to bottom of towe, prevents wash tower bottoms fluid level control valve pipe
Road blocks, and two is winter by internal for the circulated sprinkling waterpipe timely emptying of hydrops, prevents water accumulation of pipeline bursting by freezing pipeline；Work as sedimentation tank
In sewage when needing the water yield more than spray, the outer comb being provided by outer row's stop valve carries out wastewater disposition.
The shown air through outlet 6 discharge of dropping a hint drives initial stage gas temperature more than 180 DEG C, and normal running temperature is
235℃-260℃.
Positive beneficial effect：The present invention is researched and developed by autonomous Design, installs go into operation scrubbing tower and internal spray equipment set
Spray sewage water circulation system installed by meter, obtains good dust removing effects, compensate for the design lacuna of u-gas gasifying process, thorough
Bottom solve the problems, such as u-gas gasification furnace open, stop during drop a hint pollution environment.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the spiral nozzle structural representation of the present invention；
In figure is：Three-level sedimentation tank 1, import 2 of dropping a hint, Bauer ring structure 3, the scrubbing tower 4 that goes into operation, scrubbing tower top deflection plate 5,
Drop a hint outlet 6, spray filling pipe 7, spiral nozzle flushing water stop valve 8, outer row's stop valve 9, antifreeze fall drench stop valve 10, liquid
Level control valve 11, Pulp pump 12, spiral nozzle 13.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described further：
As shown in figure 1, water washing dedust device of dropping a hint during a kind of u-gas gasification furnace driving and parking, drop a hint out including being arranged on
The scrubbing tower 4 that goes into operation of mouth 7 lower section, the top of the described scrubbing tower 4 that goes into operation is provided with outlet 6 of dropping a hint, and in tower, middle top sets
It is equipped with multi-stage spray device, below the scrubbing tower internal 4 that goes into operation, be provided with Bauer ring structure 3, below described Bauer ring structure 3
Go into operation and be connected with import 2 of dropping a hint on scrubbing tower 4 side wall；The described multi-stage spray device going into operation in scrubbing tower 4 is connected with spray
Water drenching blood circulation and spray filling pipe 7；
It is connected by pipeline between described water spray circulation system and spray filling pipe 7, pipeline is provided with spiral nozzle punching
Wash water stop valve 8；
The lower section of described outlet 6 of dropping a hint is connected with the scrubbing tower top deflection plate 5 being located at scrubbing tower 4 inner top that goes into operation；
As shown in Fig. 2 described multi-stage spray device is using the spiral nozzle 13 being circumferentially distributed；
Described water spray circulation system includes three-level sedimentation tank 1, and three-level sedimentation tank 1 passes through sewage water inlet pipe and the scrubbing tower that goes into operation
4 bottoms connect, and three-level sedimentation tank 1 has been simultaneously connected with Pulp pump 12 and periodical feeding pipe is connected with multi-stage spray device；
Fluid level control valve 11, fluid level control valve 11 and the sewage going into operation between scrubbing tower 4 are provided with described sewage water inlet pipe
Emptying cleaning pipe is connected with water inlet pipe；Antifreeze pouring stop valve 10 is provided with described emptying cleaning pipe, empties cleaning pipe
Upper end connects the multi-stage spray device of next stage, and lower end connects sewage water inlet pipe；
The outer comb of outer row's stop valve 9 is connected with described periodical feeding pipe.
Drop a hint and enter, through import 2 of dropping a hint, scrubbing tower 4 tower bottom that goes into operation, through gas through Bauer ring structure 3, multistage spray
Through tower top baffle arrangement 5 after the shower water washing of shower device, prolong the outer wall of scrubbing tower 4, pottery is discharged in the outlet 6 through dropping a hint
After filtering its filtration, it is directed to high point emptying；Drop a hint and complete washing, purifying process；
Water purification after three-level sedimentation tank precipitation, is pumped to the multi-stage spray device of the middle and upper part of the scrubbing tower 4 that goes into operation, warp by slurry
Bottom two-stage spray and Bauer ring structure, washing is dropped a hint, and wash water is entered by the sewage being provided with base level control valve 11
Water pipe is expelled to three-level sedimentation tank, completes to spray water circulation；
When being vented large-minded, when the clean result of bottom two-stage spray equipment is good, open shower water moisturizing handss valve 7, to circulation
Washings carry out moisturizing, increase the clean result of scrubbing tower；The following two-stage screw shower nozzle of multi-stage spray device easily blocks simultaneously,
After driving and parking process terminates every time, spiral nozzle flushing water stop valve 8 need to be opened, it is rinsed；
It is connected with emptying cleaning pipe on fluid level control valve 11 and the sewage water inlet pipe that goes into operation between scrubbing tower 4；Described emptying is clear
Wash and antifreeze pouring stop valve 10 is provided with pipe, one is to carry out backwash to bottom of towe, prevents wash tower bottoms fluid level control valve pipe
Road blocks, and two is winter by internal for the circulated sprinkling waterpipe timely emptying of hydrops, prevents water accumulation of pipeline bursting by freezing pipeline；Work as sedimentation tank
In sewage when needing the water yield more than spray, the outer comb being provided by outer row's stop valve carries out wastewater disposition；
The shown air through outlet 6 discharge of dropping a hint drives initial stage gas temperature more than 180 DEG C, and normal running temperature is 235
℃-260℃.
U-GAS gasification installation Ceramics filter, as raw gas dust arrester, enters the technique coal of ceramic filter
Gas has strict technology controlling and process index it is desirable to the driving initial stage enters internal gas temperature more than 180 DEG C, normal running temperature
For 235 DEG C -260 DEG C it is ensured that the water in raw gas is superheated vapor, prevent ceramic element from so that filter element is lost because of absorption aqueous water
Effect.
The effect of tower top baffle arrangement is to prevent emptying gas from carrying liquid in a large number.Bauer ring structure 3 is to drop a hint all
Even distribution, and be fully contacted with spray washing water, strengthen clean result.As shown in Fig. 2 spiral nozzle is circular layout it is ensured that washing
Wash the internal shower water of tower to be uniformly distributed.
The present invention is researched and developed by autonomous Design, installs go into operation scrubbing tower and internal spray equipment design and installation spray sewage
Water circulation system, obtains good dust removing effects, compensate for the design lacuna of u-gas gasifying process, thoroughly solve u-gas gas
Change stove open, stop during drop a hint pollution environment problem.
Above-described embodiment is merely to illustrate the technical scheme that the present invention is embodied as rather than is limited, affiliated technology
The those of ordinary skill in field is not it should be understood that without prejudice on the premise of present inventive concept, changing its performance or purposes to this
Any equivalent substitute or obvious modification that the embodiment of invention is carried out, all should cover in the range of the present invention is claimed.
Claims (8)
1. drop a hint during a kind of u-gas gasification furnace driving and parking water washing dedust device it is characterised in that：Including being arranged on emptying
Gas exports（7）The scrubbing tower that goes into operation of lower section（4）, the described scrubbing tower that goes into operation（4）Top be provided with outlet of dropping a hint（6）,
In tower, middle top is provided with multi-stage spray device, inside the scrubbing tower that goes into operation（4）Lower section is provided with Bauer ring structure（3）, described
Bauer ring structure（3）It is connected with, on the scrubbing tower 4 side wall that goes into operation of lower section, import of dropping a hint（2）；The described scrubbing tower that goes into operation（4）Interior
Multi-stage spray device be connected with water spray circulation system and spray filling pipe（7）.
2. drop a hint during a kind of u-gas gasification furnace driving and parking according to claim 1 water washing dedust device, its feature
It is：Described water spray circulation system and spray filling pipe（7）Between connected by pipeline, pipeline is provided with spiral nozzle
Flushing water stop valve（8）.
3. drop a hint during a kind of u-gas gasification furnace driving and parking according to claim 1 water washing dedust device, its feature
It is：Described outlet of dropping a hint（6）Lower section go into operation scrubbing tower with being located at（4）The scrubbing tower top deflection plate of inner top（5）
Connect.
4. drop a hint during a kind of u-gas gasification furnace driving and parking according to claim 1 water washing dedust device, its feature
It is：Described multi-stage spray device is using the spiral nozzle being circumferentially distributed（13）.
5. drop a hint during a kind of u-gas gasification furnace driving and parking according to claim 1 water washing dedust device, its feature
It is：Described water spray circulation system includes three-level sedimentation tank（1）, three-level sedimentation tank（1）By sewage water inlet pipe with go into operation
Scrubbing tower（4）Bottom connects, three-level sedimentation tank（1）It has been simultaneously connected with Pulp pump（12）With periodical feeding pipe and multi-stage spray device
Connect.
6. drop a hint during a kind of u-gas gasification furnace driving and parking according to claim 5 water washing dedust device, its feature
It is：It is provided with fluid level control valve on described sewage water inlet pipe（11）, fluid level control valve（11）With the scrubbing tower that goes into operation（4）Between
Sewage water inlet pipe on be connected with emptying cleaning pipe；Antifreeze pouring stop valve is provided with described emptying cleaning pipe（10）, row
Empty cleaning pipe upper end connects the multi-stage spray device of next stage, and lower end connects sewage water inlet pipe.
7. drop a hint during a kind of u-gas gasification furnace driving and parking according to claim 5 water washing dedust device, its feature
It is：Outer row's stop valve is connected with described periodical feeding pipe（9）Outer comb.
8. the dust collecting process of water washing dedust device of dropping a hint during u-gas gasification furnace driving and parking as claimed in claim 1 is：
Drop a hint through import of dropping a hint（2）Entrance goes into operation scrubbing tower（4）Tower bottom, through gas through Bauer ring structure 3, multistage spray
Through tower top baffle arrangement after the shower water washing of shower device（5）, prolong scrubbing tower（4 ）Outer wall, through outlet of dropping a hint（6）Row
After going out its filtration of ceramic filter, it is directed to high point emptying；Drop a hint and complete washing, purifying process；
Water purification after three-level sedimentation tank precipitation, is pumped to, by slurry, the scrubbing tower that goes into operation（4）Middle and upper part multi-stage spray device,
Through bottom two-stage spray and Bauer ring structure, washing drops a hint, and wash water is by being provided with base level control valve（11）Dirt
Water water inlet pipe is expelled to three-level sedimentation tank, completes to spray water circulation；
When being vented large-minded, when the clean result of bottom two-stage spray equipment is good, open shower water moisturizing handss valve（7）, to following
Ring washings carry out moisturizing, increase the clean result of scrubbing tower；The following two-stage screw shower nozzle of multi-stage spray device is easily stifled simultaneously
Plug, after each driving and parking process terminates, need to open spiral nozzle flushing water stop valve（8）, it is rinsed；Fluid level control valve
（11）With the scrubbing tower that goes into operation（4）Between sewage water inlet pipe on be connected with emptying cleaning pipe；Arrange in described emptying cleaning pipe
There is antifreeze pouring stop valve（10）, one is to carry out backwash to bottom of towe, prevents wash tower bottoms fluid level control valve line clogging, two
It is winter by internal for the circulated sprinkling waterpipe timely emptying of hydrops, prevent water accumulation of pipeline bursting by freezing pipeline；When heavy according to Claim 8
Drop a hint during described u-gas gasification furnace driving and parking water washing dedust device dust collecting process it is characterised in that：Shown through putting
Air outlet slit（6）The air discharged drives initial stage gas temperature more than 180 DEG C, and normal running temperature is 235 DEG C -260 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651001.1A CN106433803A (en) | 2016-08-11 | 2016-08-11 | Water-washing dedusting device for exhaust discharged from u-gas gasifier during start-stop period and dedusting process of water-washing dedusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651001.1A CN106433803A (en) | 2016-08-11 | 2016-08-11 | Water-washing dedusting device for exhaust discharged from u-gas gasifier during start-stop period and dedusting process of water-washing dedusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106433803A true CN106433803A (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610651001.1A Pending CN106433803A (en) | 2016-08-11 | 2016-08-11 | Water-washing dedusting device for exhaust discharged from u-gas gasifier during start-stop period and dedusting process of water-washing dedusting device |
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| CN (1) | CN106433803A (en) |
Citations (6)
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|---|---|---|---|---|
| EP0077519A1 (en) * | 1981-10-16 | 1983-04-27 | COMPAGNIE GENERALE D'AUTOMATISME C.G.A. ALCATEL, Société anonyme dite: | Apparatus for regaining hydrocarbons |
| JP2009240908A (en) * | 2008-03-31 | 2009-10-22 | Babcock Hitachi Kk | Wet two step flue gas desulfurization apparatus and operation method of wet two step flue gas desulfurization apparatus |
| CN102154035A (en) * | 2011-03-01 | 2011-08-17 | 安徽淮化股份有限公司 | Fuel gas and tail gas exhaust device |
| CN202460375U (en) * | 2012-01-04 | 2012-10-03 | 江苏新世纪江南环保股份有限公司 | Desulfurated dust-laden tail gas washing and recovering device |
| CN103432892A (en) * | 2013-08-08 | 2013-12-11 | 江苏正通宏泰股份有限公司 | Technology for effectively controlling PM2.5 discharge |
| CN206069798U (en) * | 2016-08-11 | 2017-04-05 | 义马煤业综能新能源有限责任公司 | Drop a hint during a kind of u gas gasification furnace driving and parking water washing dedust device |
-
2016
- 2016-08-11 CN CN201610651001.1A patent/CN106433803A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0077519A1 (en) * | 1981-10-16 | 1983-04-27 | COMPAGNIE GENERALE D'AUTOMATISME C.G.A. ALCATEL, Société anonyme dite: | Apparatus for regaining hydrocarbons |
| JP2009240908A (en) * | 2008-03-31 | 2009-10-22 | Babcock Hitachi Kk | Wet two step flue gas desulfurization apparatus and operation method of wet two step flue gas desulfurization apparatus |
| CN102154035A (en) * | 2011-03-01 | 2011-08-17 | 安徽淮化股份有限公司 | Fuel gas and tail gas exhaust device |
| CN202460375U (en) * | 2012-01-04 | 2012-10-03 | 江苏新世纪江南环保股份有限公司 | Desulfurated dust-laden tail gas washing and recovering device |
| CN103432892A (en) * | 2013-08-08 | 2013-12-11 | 江苏正通宏泰股份有限公司 | Technology for effectively controlling PM2.5 discharge |
| CN206069798U (en) * | 2016-08-11 | 2017-04-05 | 义马煤业综能新能源有限责任公司 | Drop a hint during a kind of u gas gasification furnace driving and parking water washing dedust device |
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Application publication date: 20170222 |