CN107362614A - A kind of recoverying and utilizing method and its device of coal water slurry gasification fine slag - Google Patents
A kind of recoverying and utilizing method and its device of coal water slurry gasification fine slag Download PDFInfo
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- CN107362614A CN107362614A CN201710712885.1A CN201710712885A CN107362614A CN 107362614 A CN107362614 A CN 107362614A CN 201710712885 A CN201710712885 A CN 201710712885A CN 107362614 A CN107362614 A CN 107362614A
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- Prior art keywords
- fine slag
- defecator
- water slurry
- coal water
- slurry gasification
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of recoverying and utilizing method and its device of coal water slurry gasification fine slag, defecator, defecator bottomspump, feeder trough, feed pump and plate and frame type filter-press are sequentially connected with by it by pipeline, the coal water slurry gasification fine slag discharged with liquid enters defecator, flocculant is added in defecator, turn on pump, most fine slag slurry is delivered to plate and frame type filter-press and carries out separation of solid and liquid at last；Fine slag automatically falls into the belt conveyor below plate and frame type filter-press, and then is delivered to ramp type solid material drying bed and carries out dehydrating processing, and filtrate is back to filtrate receiver recycling；The fine slag being disposed through dehydrating slips into pipe conveyer automatically from the bottom of ramp type solid material drying bed, and it is standby to be finally transported to fine slag stockyard.The present invention carries out dehydrating processing to coal water slurry gasification fine slag, gasification fine slag reclaim used as raw material, both energy-saving and emission-reduction, increase economic efficiency, turn avoid and environmental pollution is caused to scene.
Description
Technical field
The present invention relates to a kind of recoverying and utilizing method and its device of coal water slurry gasification fine slag, belong to coal water slurry gasification fine slag
Recovery process and engineering device technique field.
Background technology
Coal-water slurry gasification technology is a kind of most effective clean coal technology for improving coal utilization rate.In coal water slurry gasification
In technical process, substantial amounts of gasification fine slag can be produced（Coal residue）, there is these gasification fine slags fine size, the small, water of viscosity to contain
The characteristics of amount and carbon content are high, dry base heat value is higher, and recycling has a extensive future, big in gasification fine slag in order to make full use of
Calorimetric energy is, it is necessary to which gasification fine slag is recycled.It is existing gasification fine slag recovery process be：Caused slag in coal water slurry gasification
Water enters defecator, and flocculant is added in defecator, and the scraper opened in defecator scrapes the fine slag to settle down to clear
Clear trench bottom outlet；Open defecator bottomspump, by defecator fine slag slurry be transported to rubber belt type vacuum filter to
Hopper, then finally it is delivered to rubber belt type vacuum filter through feed pump；Fine slag is starched using rubber belt type vacuum filter into
Row separation of solid and liquid, obtains fine slag（Moisture content is more than 60%）And filtrate；Fine slag moved to stockyard is standby, and filtrate is back to filter with car
Liquid bath recycles.The technique realizes the recycling mesh of gasification fine slag by carrying out removing moisture solution to gasification fine slag
's；But the gasification fine slag water content drawn is more than 60%, the overload of rubber belt type vacuum filter is not only resulted in, also
The difficulty of vehicle transport gasification fine slag is increased, and causes site environment health to be deteriorated.Therefore it provides one kind can be to water-coal-slurry gas
Change fine slag to carry out dehydrating processing, gasification fine slag is carried out into recovery as feed coal and bunker coal uses, energy-saving and emission-reduction, raising
Economic benefit simultaneously avoids the recoverying and utilizing method of the coal water slurry gasification fine slag of environmental pollution and its device from just seeming necessary.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of recoverying and utilizing method and its dress of coal water slurry gasification fine slag
Put, with overcome the deficiencies in the prior art.
In order to solve the above technical problems, the technical scheme is that：A kind of recycling side of coal water slurry gasification fine slag
Method, comprise the following steps：
1）Coal water slurry gasification and the pulp water that comes enters defecator, add flocculant in defecator, the rake material in unlatching defecator
Machine scrapes the fine slag to settle down to defecator outlet at bottom；
2）Defecator bottomspump is opened, the fine slag slurry in defecator is transported to the feeder trough of plate and frame type filter-press, then through charging
Pump is finally delivered to plate and frame type filter-press；
3）Fine slag is starched using plate and frame type filter-press and carries out separation of solid and liquid, obtains fine slag and filtrate, fine slag automatically falls into conveying skin
Band, and then ramp type solid material drying bed is delivered to, filtrate is back to filtrate receiver recycling；
4) water vapour is imported to the serpentine coil of ramp type solid material drying bed, fine slag to be dried is heated, passes through evaporation
Moisture contained in fine slag is taken away, that realizes fine slag dehydrates processing；
5）To dehydrate the fine slag that is disposed with pipe conveyer, to be transported to fine slag stockyard standby.
The recoverying and utilizing method of above-mentioned coal water slurry gasification fine slag is, the fine slag is from ramp type solid material drying bed
Pipe conveyer is slipped into bottom automatically.
The recoverying and utilizing method of above-mentioned coal water slurry gasification fine slag is the ramp type solid material drying bed and fine slag heap
Field is arranged at below shelter.
The recycle device of coal water slurry gasification fine slag, it includes carrying out pulp water the defecator of sedimentation concentration, described clear
The outlet at bottom of clear groove is connected with defecator bottomspump by pipeline, and the outlet of defecator bottomspump is connected with feed by pipeline
Groove, the discharging opening of feeder trough are connected with feed pump by pipeline, and the outlet of feed pump is connected with plate and frame type filter-press by pipeline,
Belt conveyor is provided with the lower section of plate and frame type filter-press, is connected oblique with the delivery end provided with top in the delivery end of belt conveyor
Slope formula solid material drying bed, pipe conveyer is connected with the bottom of ramp type solid material drying bed.
The recycle device of above-mentioned coal water slurry gasification fine slag is that the material feeding section of the pipe conveyer is positioned at oblique
The bottom of slope formula solid material drying bed, delivery end are arranged in fine slag stockyard.
The recycle device of above-mentioned coal water slurry gasification fine slag is that the filtrate (liquid of the plate and frame type filter-press passes through pipe
Road is connected with each other with filtrate receiver.
The recycle device of above-mentioned coal water slurry gasification fine slag is to be provided with scraper in the inside of the defecator.
Compared with the prior art, the beneficial effects of the invention are as follows：
Defecator, defecator bottomspump, feeder trough, feed pump and plate and frame type filter-press are sequentially connected with by the present invention by pipeline,
The coal water slurry gasification fine slag discharged with liquid enters defecator, and flocculant is added in defecator, opens defecator bed material
Pump and feed pump, most fine slag slurry is delivered to plate and frame type filter-press and carries out separation of solid and liquid at last；Fine slag automatically falls into plate and frame press filtration
Belt conveyor below machine, and then be delivered to ramp type solid material drying bed and carry out dehydrating processing, filtrate is back to filter
Liquid bath recycles；The fine slag being disposed through dehydrating slips into tubulose automatically from the bottom of ramp type solid material drying bed
Ribbon conveyer, it is standby to be finally transported to fine slag stockyard；So coal water slurry gasification fine slag is carried out to dehydrate processing, will be gasified
Fine slag carry out recovery used as raw material, both energy-saving and emission-reduction, increase economic efficiency, turn avoid and environmental pollution is caused to scene.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
Embodiment 1, as shown in Figure 1, a kind of recoverying and utilizing method of coal water slurry gasification fine slag of the present invention, including
Following steps：
1）Coal water slurry gasification and the pulp water that comes enters defecator, add flocculant in defecator, the rake material in unlatching defecator
Machine scrapes the fine slag to settle down to defecator outlet at bottom；
2）Defecator bottomspump is opened, the fine slag slurry in defecator is transported to the feeder trough of plate and frame type filter-press, then through charging
Pump is finally delivered to plate and frame type filter-press；
3）Fine slag is starched using plate and frame type filter-press and carries out separation of solid and liquid, obtains fine slag and filtrate, fine slag automatically falls into conveying skin
Band, and then ramp type solid material drying bed is delivered to, filtrate is back to filtrate receiver recycling；
4) water vapour is imported to the serpentine coil of ramp type solid material drying bed, fine slag to be dried is heated, passes through evaporation
Moisture contained in fine slag is taken away, that realizes fine slag dehydrates processing；
5）To dehydrate the fine slag that is disposed with pipe conveyer, to be transported to fine slag stockyard standby.
The model KZG300/2000-U of the plate and frame type filter-press, the ramp type solid material drying bed are applications
Number be 201621229914.6 our company's utility model patent.
The fine slag slips into pipe conveyer automatically from the bottom of ramp type solid material drying bed；The ramp type
Solid material drying bed and fine slag stockyard are arranged at below shelter.
The recycle device of coal water slurry gasification fine slag, its specific equipment arrangement are：
The outlet at bottom of defecator 1 is connected with defecator bottomspump 2 by pipeline, and the outlet of defecator bottomspump 2 passes through pipeline
Feeder trough 3 is connected with, the discharging opening of feeder trough 3 is connected with feed pump 4 by pipeline, and the outlet of feed pump 4 is connected by pipeline
There is plate and frame type filter-press 5, belt conveyor 6 is provided with the lower section of plate and frame type filter-press 5, top is provided with the delivery end of belt conveyor 6
The ramp type solid material drying bed 7 that portion is connected with the delivery end, pipe is connected with the bottom of ramp type solid material drying bed 7
Shape ribbon conveyer 8；The filtrate (liquid of the plate and frame type filter-press 5 is connected with each other by pipeline and filtrate receiver 10；Described clear
The inside of clear groove 1 is provided with scraper；In detail, the material feeding section of the pipe conveyer 8 is located at ramp type solid material and done
The bottom of dry bed 7, delivery end are arranged in fine slag stockyard 9.
Drying fine slag Land use systems obtained by the present invention mainly have two kinds：It is first, former with other of coal-water slurry gasification
Material configures in proportion, and defibrination recycles；Second, being configured in proportion with bunker coal, boiler combustion is used for after grinds.
Claims (7)
1. a kind of recoverying and utilizing method of coal water slurry gasification fine slag, it is characterised in that comprise the following steps：
1）Coal water slurry gasification and the pulp water that comes enters defecator, add flocculant in defecator, the rake material in unlatching defecator
Machine scrapes the fine slag to settle down to defecator outlet at bottom；
2）Defecator bottomspump is opened, the fine slag slurry in defecator is transported to the feeder trough of plate and frame type filter-press, then through charging
Pump is finally delivered to plate and frame type filter-press；
3）Fine slag is starched using plate and frame type filter-press and carries out separation of solid and liquid, obtains fine slag and filtrate, fine slag automatically falls into conveying skin
Band, and then ramp type solid material drying bed is delivered to, filtrate is back to filtrate receiver recycling；
4) water vapour is imported to the serpentine coil of ramp type solid material drying bed, fine slag to be dried is heated, passes through evaporation
Moisture contained in fine slag is taken away, that realizes fine slag dehydrates processing；
5）To dehydrate the fine slag that is disposed with pipe conveyer, to be transported to fine slag stockyard standby.
2. the recoverying and utilizing method of coal water slurry gasification fine slag according to claim 1, it is characterised in that：The fine slag is from oblique
Pipe conveyer is slipped into the bottom of slope formula solid material drying bed automatically.
3. the recoverying and utilizing method of coal water slurry gasification fine slag according to claim 1, it is characterised in that：The ramp type is consolidated
Body dry materials bed and fine slag stockyard are arranged at below shelter.
4. the recycle device of coal water slurry gasification fine slag as claimed in claim 1, it includes carrying out sedimentation concentration to pulp water
Defecator（1）, it is characterised in that：The defecator（1）Outlet at bottom defecator bottomspump is connected with by pipeline（2）,
Defecator bottomspump（2）Outlet feeder trough is connected with by pipeline（3）, feeder trough（3）Discharging opening be connected with by pipeline
Feed pump（4）, feed pump（4）Outlet plate and frame type filter-press is connected with by pipeline（5）, in plate and frame type filter-press（5）Under
Side is provided with belt conveyor（6）, in belt conveyor（6）Delivery end be provided with the ramp type solid material that is connected with the delivery end of top
Drying bed（7）, in ramp type solid material drying bed（7）Bottom be connected with pipe conveyer（8）.
5. the recycle device of coal water slurry gasification fine slag according to claim 4, it is characterised in that：The tube-shaped belt
Conveyer（8）Material feeding section be located at ramp type solid material drying bed（7）Bottom, delivery end is arranged at fine slag stockyard（9）It is interior.
6. the recycle device of coal water slurry gasification fine slag according to claim 4, it is characterised in that：The plate and frame pressure
Filter（5）Filtrate (liquid pass through pipeline and filtrate receiver（10）It is connected with each other.
7. the recycle device of coal water slurry gasification fine slag according to claim 4, it is characterised in that：In the defecator
（1）Inside be provided with scraper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712885.1A CN107362614A (en) | 2017-08-18 | 2017-08-18 | A kind of recoverying and utilizing method and its device of coal water slurry gasification fine slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712885.1A CN107362614A (en) | 2017-08-18 | 2017-08-18 | A kind of recoverying and utilizing method and its device of coal water slurry gasification fine slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107362614A true CN107362614A (en) | 2017-11-21 |
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ID=60310752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710712885.1A Pending CN107362614A (en) | 2017-08-18 | 2017-08-18 | A kind of recoverying and utilizing method and its device of coal water slurry gasification fine slag |
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| Country | Link |
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| CN (1) | CN107362614A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110564455A (en) * | 2019-09-18 | 2019-12-13 | 华陆工程科技有限责任公司 | Fine slag drying method for coal gas making device |
| CN114474819A (en) * | 2022-01-12 | 2022-05-13 | 中国矿业大学 | Device and method for quickly dehydrating coal gasification fine slag and demolding molded blocks by continuously applying vacuum force and pressure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2269167A (en) * | 1992-08-01 | 1994-02-02 | James David Willis | Waste water treatment |
| CN104876366A (en) * | 2015-05-28 | 2015-09-02 | 中国矿业大学 | Method for deeply treating gasified wastewater |
| CN105293804A (en) * | 2015-11-01 | 2016-02-03 | 张晓峰 | Coal gasification ash water treatment method |
| CN106007047A (en) * | 2016-05-19 | 2016-10-12 | 康洪强 | Device and method for treating black water discharged from coal gasification process |
| CN206192081U (en) * | 2016-11-16 | 2017-05-24 | 贵州赤天化桐梓化工有限公司 | Dry bed of ramp type solid material |
-
2017
- 2017-08-18 CN CN201710712885.1A patent/CN107362614A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2269167A (en) * | 1992-08-01 | 1994-02-02 | James David Willis | Waste water treatment |
| CN104876366A (en) * | 2015-05-28 | 2015-09-02 | 中国矿业大学 | Method for deeply treating gasified wastewater |
| CN105293804A (en) * | 2015-11-01 | 2016-02-03 | 张晓峰 | Coal gasification ash water treatment method |
| CN106007047A (en) * | 2016-05-19 | 2016-10-12 | 康洪强 | Device and method for treating black water discharged from coal gasification process |
| CN206192081U (en) * | 2016-11-16 | 2017-05-24 | 贵州赤天化桐梓化工有限公司 | Dry bed of ramp type solid material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110564455A (en) * | 2019-09-18 | 2019-12-13 | 华陆工程科技有限责任公司 | Fine slag drying method for coal gas making device |
| CN114474819A (en) * | 2022-01-12 | 2022-05-13 | 中国矿业大学 | Device and method for quickly dehydrating coal gasification fine slag and demolding molded blocks by continuously applying vacuum force and pressure |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171121 |
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