CN205269231U - Coal is pulp water filtration system for gasification - Google Patents
Coal is pulp water filtration system for gasification Download PDFInfo
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- CN205269231U CN205269231U CN201521032675.0U CN201521032675U CN205269231U CN 205269231 U CN205269231 U CN 205269231U CN 201521032675 U CN201521032675 U CN 201521032675U CN 205269231 U CN205269231 U CN 205269231U
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Abstract
Coal is pulp water filtration system for gasification belongs to coal gasification equipment technical field, including subsider and the vacuum belt filter continuous with the subsider, vacuum belt filter includes filtrate (liquid, filter cake outlet and sparge water import, the filtrate (liquid below is equipped with filtrating collection device, and filtrating collection device is linked together with the subsider through the filtrating pump, water charging system is connected through the booster pump to the sparge water import. The utility model discloses the reuse of filtrating can be realized, the water yield is practiced thrift, on the other hand accessible time carries out the brute force to the filter cloth and effectively washes, and the filter cloth life prolong greatly, realizes the long period run of whole equipment, gasification is more stable, wet grey conveying system links up with the raw materials, realizes the maximize utilization of resource, can greatly improve staff's operation environment, bring the life and health to guarantee for the staff.
Description
Technical field
The utility model belongs to coal gasifying process equipment technical field, is specifically related to a kind of coal gasifying process slag water filtering system.
Background technology
There is following problem in current coal gasifying process slag water filtering system, seriously have impact on the long-term operation of the stable of technique and equipment. Main problem is as follows:
(1) band filter generally designs in two, three building, slag water framework, and by space and environmental influence, maintenance operation is more difficult, filter cloth is short for duration of service, often owing to the catastrophic discontinuityfailure of slag water filtration device causes slurry to process, vapourizing furnace is forced to load down, affects process stabilizing;
(2) because of device processes material ratio more special (slurry solid content is high), once pipeline slurry is revealed or filter cloth fault, apparatus body is easily infected with a large amount of slurry coal ash, causes the transmission parts such as bearing, carrying roller to go wrong, work-ing life shortens, and integral device cannot long-term operation;
(3) slag water filtering system fault causes process thin ash water content height, automobile transport difficult;
(4) under filter, cinder notch is generally just positioned at gasification battery limit (BL), center, battery limit (BL), automobile transport causes on-the-spot environment severe, road is accumulated a large amount of thin ash, once meet weather of blowing, on-the-spot a large amount of airborne dust, the on-the-spot environment of severe exacerbation, brings disadvantageous effect also to the life and health of execute-in-place personnel simultaneously.
Therefore, for realizing the stable long-term operation with equipment of coal gasifying process, reducing every consumption, simultaneously also in order to improve work on the spot environment, it is very necessary for implementing gasification workshop slag water filtering system technological improvement.
Summary of the invention
The purpose of this utility model there are provided a kind of can available protecting equipment, reduce maintenance number of times and realize slag water comprehensive utilization coal gasifying process slag water filtering system.
Based on above-mentioned purpose, the utility model takes following technical scheme: coal gasifying process slag water filtering system, the vacuum band-type filter machine comprising subsider and be connected with subsider, described vacuum band-type filter machine comprises filtrate outlet, filter cake outlet and wash-down water import, being provided with Filtrate collection device below described filtrate outlet, Filtrate collection device is connected with subsider by filtrate pump; Described wash-down water import connects water charging system by topping-up pump.
Described Filtrate collection device comprises filtrate receiver, and the outlet of filtrate receiver connects filtrate tanks, and the outlet of filtrate tanks is connected with subsider by filtrate pump.
Described vacuum band-type filter machine also comprises vacuum conducting liquor pipe, and vacuum conducting liquor pipe connects water-ring vacuum pump by drain tank, and described drain tank is positioned at above filtrate receiver.
The water outlet of described water-ring vacuum pump is connected with Rinsing Area by pipeline, the water supplement port of Rinsing Area is connected with water charging system, the outlet conduit of Rinsing Area connects two-way arm by threeway, one tunnel is connected with the water-in of water-ring vacuum pump, and another road is connected with the wash-down water import of vacuum band-type filter machine.
The outlet conduit of described Rinsing Area is provided with two fresh water pumps in parallel, and described topping-up pump is two, is connected in parallel on the moisturizing pipeline of water charging system.
The outlet of described filter cake is connected with wet ash delivery system by conveyor, and the outlet of wet ash delivery system is connected with boiler.
Described vacuum band-type filter machine also comprises correction switch, and described correction switch is positioned at the top of vacuum band-type filter machine side.
Compared with prior art, technique effect of the present utility model is: 1, is connected with subsider by arranging filtrate retrieving arrangement on the one hand, it may be achieved the recycling of filtrate, has saved the water yield; Wash-down water import connects water charging system by topping-up pump on the other hand, in time the filter cloth of vacuum band-type filter machine can be carried out powerful effectively flushing, equipment is avoided to cause the transmission parts such as bearing, carrying roller to go wrong because being infected with a large amount of slurry coal ash, work-ing life extends greatly, it is achieved integral device long-term operation; Solve the problem that gasifying process is stable; 2 are connected with raw material wet ash delivery system, it is achieved the maximum using of resource; 3, environment aspect, native system can greatly improve the operating environment of employee, brings life and health to ensure to employee; 4, by correction switch-linear hybrid on the top of vacuum band-type filter machine side, more convenient to operate on the one hand, can avoiding on the other hand owing to the poor regular malfunctioning phenomenon of environment occurs in correction switch use procedure, overall duration of service extends, and is more conducive to the long-term operation of filter cloth; 5, adopt water charging system with system internal recycle water to water-ring vacuum pump moisturizing, can avoid using water temperature after de-salted water sharply to raise (reaching about 60 degree) and water degradation cannot carry out the problem of recycle again.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Coal gasifying process such as Fig. 1 slag water filtering system, the vacuum band-type filter machine 2 comprising subsider 1 and be connected with subsider 1, subsider 1 is connected with vacuum band-type filter machine 2 by the shurry pump 13 of bottom, vacuum band-type filter machine 2 comprises filtrate outlet, filter cake outlet, wash-down water import and correction switch 22, it is positioned at the top of vacuum band-type filter machine 2 side, being provided with Filtrate collection device below filtrate outlet, Filtrate collection device is connected with subsider 1 by filtrate pump 3; Wash-down water import connects water charging system 5 by topping-up pump 4. Topping-up pump 4 is two, is connected in parallel on the moisturizing pipeline of water charging system 5. Filter cake outlet is connected with wet ash delivery system 11 by conveyor 10, and the outlet of wet ash delivery system 11 is connected with boiler 12.
Filtrate collection device comprises filtrate receiver 6, and the outlet of filtrate receiver 6 connects filtrate tanks 7, and the outlet of filtrate tanks 7 is connected with subsider 1 by filtrate pump 3. Vacuum band-type filter machine 2 also comprises vacuum conducting liquor pipe 21, and vacuum conducting liquor pipe 21 connects water-ring vacuum pump 8 by drain tank 14, and drain tank 14 is positioned at above filtrate receiver 6. The water outlet of water-ring vacuum pump 8 is connected with Rinsing Area 9 by pipeline, the water supplement port of Rinsing Area 9 is connected with water charging system 5, the outlet conduit of Rinsing Area 9 is provided with two fresh water pumps 92 in parallel, the outlet conduit 91 of Rinsing Area 9 connects two-way arm by threeway, one tunnel is connected with the water-in of water-ring vacuum pump 8, and another road is connected with the wash-down water import of vacuum band-type filter machine 2.
Its working process is:
Filter cake removal process 1: slurry is delivered in vacuum band-type filter machine 2 by the shurry pump 13 of bottom by subsider 1, filter through vacuum filter 2, the filter cake produced directly delivers to raw material wet ash delivery system 11 by conveyor 10, carry out mixing burning to boiler 12 afterwards, it is connected with raw material wet ash delivery system, it is achieved the maximum using of resource.
Filtrate cycle process 2: rinse by delivering to vacuum filter 2 on the one hand after topping-up pump 4 supercharging by water charging system 5 water, it is collected in filtrate receiver 6 together with the filtrate that filtrate is filtered with vacuum band-type filter machine 2, it is stored in filtrate tanks 7 to be circulated in subsider 1 by filtrate pump reuse; Delivering to water-ring vacuum pump 8 and the water supplement port of Rinsing Area 9 on the other hand, the water in Rinsing Area 9 delivers to wash-down water import and the water-ring vacuum pump 8 of vacuum band-type filter machine 2 respectively through fresh water pump 92, it is achieved that the recycle of water.
Claims (7)
1. coal gasifying process slag water filtering system, the vacuum band-type filter machine comprising subsider and be connected with subsider, it is characterized in that, described vacuum band-type filter machine comprises filtrate outlet, filter cake outlet and wash-down water import, being provided with Filtrate collection device below described filtrate outlet, Filtrate collection device is connected with subsider by filtrate pump; Described wash-down water import connects water charging system by topping-up pump.
2. coal gasifying process slag water filtering system as claimed in claim 1, it is characterised in that, described Filtrate collection device comprises filtrate receiver, and the outlet of filtrate receiver connects filtrate tanks, and the outlet of filtrate tanks is connected with subsider by filtrate pump.
3. coal gasifying process slag water filtering system as claimed in claim 2, it is characterised in that, described vacuum band-type filter machine also comprises vacuum conducting liquor pipe, and vacuum conducting liquor pipe is connected with water-ring vacuum pump by drain tank, and described drain tank is positioned at above filtrate receiver.
4. coal gasifying process slag water filtering system as claimed in claim 3, it is characterized in that, the water outlet of described water-ring vacuum pump is connected with Rinsing Area by pipeline, the water supplement port of Rinsing Area is connected with water charging system, the outlet conduit of Rinsing Area connects two-way arm by threeway, one tunnel is connected with the water-in of water-ring vacuum pump, and another road is connected with the wash-down water import of vacuum band-type filter machine.
5. coal gasifying process slag water filtering system as claimed in claim 4, it is characterised in that, the outlet conduit of described Rinsing Area is provided with two fresh water pumps in parallel, and described topping-up pump is two, is connected in parallel on the moisturizing pipeline of water charging system.
6. the coal gasifying process slag water filtering system as described in as arbitrary in claim 1-5, it is characterised in that, the outlet of described filter cake is connected with wet ash delivery system by conveyor, and the outlet of wet grey delivery system is connected with boiler.
7. the coal gasifying process slag water filtering system as described in as arbitrary in claim 1-5, it is characterised in that, described vacuum band-type filter machine also comprises correction switch, and described correction switch is positioned at the top of vacuum band-type filter machine side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521032675.0U CN205269231U (en) | 2015-12-14 | 2015-12-14 | Coal is pulp water filtration system for gasification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521032675.0U CN205269231U (en) | 2015-12-14 | 2015-12-14 | Coal is pulp water filtration system for gasification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205269231U true CN205269231U (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521032675.0U Expired - Fee Related CN205269231U (en) | 2015-12-14 | 2015-12-14 | Coal is pulp water filtration system for gasification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205269231U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899278A (en) * | 2017-12-16 | 2018-04-13 | 大连盐化集团有限公司 | Integrated fine salt particle reclamation device |
| CN107899297A (en) * | 2017-12-16 | 2018-04-13 | 大连盐化集团有限公司 | Fine salt particle reclamation device with vacuum apparatus |
| CN107913548A (en) * | 2017-12-16 | 2018-04-17 | 大连盐化集团有限公司 | Fine salt particle reclamation device with pressure sensor |
| CN107930246A (en) * | 2017-12-16 | 2018-04-20 | 大连盐化集团有限公司 | Fine salt particle reclamation device with centrifuge |
| CN108043104A (en) * | 2017-12-16 | 2018-05-18 | 大连盐化集团有限公司 | Fine salt particle reclamation device |
| CN112933731A (en) * | 2021-02-05 | 2021-06-11 | 华能（天津）煤气化发电有限公司 | Flow arrangement for primary water treatment system of Integrated Gasification Combined Cycle (IGCC) gasification device |
-
2015
- 2015-12-14 CN CN201521032675.0U patent/CN205269231U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899278A (en) * | 2017-12-16 | 2018-04-13 | 大连盐化集团有限公司 | Integrated fine salt particle reclamation device |
| CN107899297A (en) * | 2017-12-16 | 2018-04-13 | 大连盐化集团有限公司 | Fine salt particle reclamation device with vacuum apparatus |
| CN107913548A (en) * | 2017-12-16 | 2018-04-17 | 大连盐化集团有限公司 | Fine salt particle reclamation device with pressure sensor |
| CN107930246A (en) * | 2017-12-16 | 2018-04-20 | 大连盐化集团有限公司 | Fine salt particle reclamation device with centrifuge |
| CN108043104A (en) * | 2017-12-16 | 2018-05-18 | 大连盐化集团有限公司 | Fine salt particle reclamation device |
| CN112933731A (en) * | 2021-02-05 | 2021-06-11 | 华能（天津）煤气化发电有限公司 | Flow arrangement for primary water treatment system of Integrated Gasification Combined Cycle (IGCC) gasification device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20211214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |