CN220003248U - Gasification black water deslagging recycling treatment device - Google Patents
Gasification black water deslagging recycling treatment device Download PDFInfo
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- CN220003248U CN220003248U CN202321364782.8U CN202321364782U CN220003248U CN 220003248 U CN220003248 U CN 220003248U CN 202321364782 U CN202321364782 U CN 202321364782U CN 220003248 U CN220003248 U CN 220003248U
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- treatment device
- deslagging
- dry automatic
- inlet
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- 239000010866 blackwater Substances 0.000 title claims abstract description 35
- 238000004064 recycling Methods 0.000 title claims abstract description 20
- 238000002309 gasification Methods 0.000 title claims description 17
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 5
- 239000003818 cinder Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000003245 coal Substances 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 5
- 239000012065 filter cake Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a gasified black water deslagging recycling treatment device, which comprises a dry automatic deslagging filter, wherein a raw material inlet of the dry automatic deslagging filter is communicated with an inlet of gasified black water through a first butterfly valve and a first ball valve, a gas inlet of the dry automatic deslagging filter is communicated with an outlet of a heat exchanger through a second butterfly valve and a first stop valve, an inlet of the heat exchanger is communicated with compressed gas through a second stop valve, a medium inlet of the heat exchanger is communicated with steam through a third stop valve, a cleaning water inlet of the dry automatic deslagging filter is communicated with cleaning water through a third butterfly valve, a cleaning outlet of the dry automatic deslagging filter is communicated with cleaning water through a fourth butterfly valve, and a clear liquid outlet of the dry automatic deslagging filter is communicated with a second buffer tank through a seventh butterfly valve to collect clear liquid. The utility model can improve the recovery rate of the pulverized coal and realize higher economic value; and simultaneously, the recycling of the wastewater is improved, and the emission is reduced.
Description
Technical Field
The utility model relates to the technical field of coal gas, in particular to a gasification black water deslagging recycling treatment device.
Background
The gasified black water in the coal gas process is waste water generated in the process, and contains coal dust. In the prior art, flocculant is added into gasified black water, the wastewater is filtered after flocculation, the recycled water is about 50%, a small amount of filter cake obtained after filtration can be recycled, because the flocculant is added in the process, a filtering device is frequently blocked, a filtering accessory is frequently cleaned or replaced, and the water content of the filter cake is increased in the later stage of filtration, so that the filter cake cannot be recycled.
Therefore, the existing process has poor pulverized coal recovery effect and low wastewater reuse rate.
Disclosure of Invention
The utility model aims to provide a gasification black water deslagging recycling treatment device, which can improve the recovery rate of coal dust and realize higher economic value; and simultaneously, the recycling of the wastewater is improved, and the emission is reduced.
In order to achieve the purpose, the utility model adopts a membrane filtration separation process to filter the gasified black water stock solution, separates clear liquid and slag in the materials, and ensures that the slag meets the process requirement, so that the gasified black water stock solution is convenient to transport and process, and the clear liquid is recycled.
The technical scheme adopted by the utility model is as follows:
the utility model discloses a gasified black water deslagging recycling treatment device which comprises a dry automatic deslagging filter, wherein a raw material inlet of the dry automatic deslagging filter is communicated with an inlet of gasified black water through a first butterfly valve and a first ball valve, a gas inlet of the dry automatic deslagging filter is communicated with an outlet of a heat exchanger through a second butterfly valve and a first stop valve, an inlet of the heat exchanger is communicated with compressed gas through a second stop valve, a medium inlet of the heat exchanger is communicated with steam through a third stop valve, a cleaning water inlet of the dry automatic deslagging filter is communicated with cleaning water through a third butterfly valve, a cleaning outlet of the dry automatic deslagging filter is communicated with a hopper through a fourth butterfly valve, a liquid outlet of the dry automatic deslagging filter is communicated with black water in a backflow mode through a sixth butterfly valve, and a clear liquid outlet of the dry automatic deslagging filter is communicated with a second buffer tank to collect clear liquid through a seventh butterfly valve.
Further, the first air inlet of the dry automatic deslagging filter is communicated with the first stop valve through an eighth butterfly valve, and the second air inlet is communicated with compressed air through a ninth butterfly valve.
Further, the first ball valve is communicated with the first buffer groove through the regulating valve to split black water.
Further, the hopper is communicated with a cinder storeroom.
Further, the inlet of the gasified black water is provided with a liquid inlet pump.
Preferably, all valves are electric control valves, and the electric control valves and the liquid inlet pump are controlled by a PLC.
Preferably, the number of the dry automatic deslagging filters is 4.
Further, the dry automatic deslagging filter is provided with a pressure detection device, and the pressure detection device is electrically connected with the PLC.
The filtering, blowing, deslagging and cleaning processes of the utility model can be automatically completed by PLC control. When the pressure detection device detects that the pressure reaches a preset value or reaches a control time value, the PLC controls the liquid inlet pump to stop and enter a blowing-off state.
The utility model can improve the recovery rate of the coal dust, realize higher economic value, improve the recycling of the wastewater and reduce the emission.
Drawings
FIG. 1 is a schematic structural diagram of a gasification black water deslagging recycling treatment device.
Fig. 2 is a schematic structural view of a dry automatic deslagging filter.
Fig. 3 is a top view of a dry automatic deslagging filter.
Fig. 4 is a bottom view of the dry automatic deslagging filter.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
Example 1
The embodiment discloses a gasification black water deslagging recycling treatment device, concretely as shown in fig. 1, the device comprises a dry automatic deslagging filter 13, the dry automatic deslagging filter 13 adopts a LSY-91GZP-T dry automatic deslagging filter which is manufactured by Dulanyiang technology, a raw material inlet of the dry automatic deslagging filter 13 is communicated with an inlet of gasification black water through a first butterfly valve 16 and a first ball valve 20, an inlet pump is arranged at the inlet of gasification black water, a gas inlet of the dry automatic deslagging filter 13 is communicated with an outlet of a heat exchanger 2 through a second butterfly valve 6 and a first stop valve 5, an inlet of the heat exchanger 2 is communicated with compressed gas through a second stop valve 3, a medium inlet of the heat exchanger 2 is communicated with steam through a third stop valve 3, a cleaning water inlet of the dry automatic deslagging filter 13 is communicated with cleaning water through a third butterfly valve 15, two cleaning outlets of the dry automatic deslagging filter 13 are respectively discharged through fourth butterfly valves 10 and 12 and flow back black water through a first buffer tank, a deslagging port of the dry automatic deslagging filter 13 is communicated with a hopper 21 through a fifth 17, an automatic deslagging port of the dry automatic deslagging filter 13 is communicated with a clear liquid through a sixth buffer tank 18, and a clear liquid is communicated with a clear liquid collecting tank 9 through the second buffer tank. The first air inlet of the dry automatic deslagging filter 13 is communicated with the first stop valve 5 through an eighth butterfly valve 8, and the second air inlet is communicated with compressed air through a ninth butterfly valve 14. The first ball valve 20 is communicated with the first buffer tank through the regulating valve 23 to split the black water, and part of the black water is treated through other processes. The hopper 21 communicates with a cinder store and/or cinder collector 22.
In this embodiment, there are 4 dry automatic deslagging filters 13, and a three-purpose operation mode is adopted.
The embodiment adopts automatic control, all valves are electric control valves, and the electric control valves and the liquid inlet pump are controlled by a PLC. The dry automatic deslagging filter 13 is provided with a pressure detection device 11, and the pressure detection device 11 is electrically connected with a PLC.
Example 2
The embodiment discloses a specific structure of a dry automatic deslagging filter, as shown in fig. 2, 3 and 4, wherein the LSY-91GZP-T dry automatic deslagging filter is provided with a pressure gauge interface 24, a gas inlet 25, a standby port 26, a cleaning outlet 27, a raw material inlet 28, gas inlets 29 and 33, a cleaning water inlet 30, a liquid outlet 31, a deslagging port 32, a clear liquid outlet 33, a liquid collecting pipe 34 and a clear liquid outlet 35.
The LSY-91GZP-T dry automatic deslagging filter is a novel low-pressure filtering device, combines a surface filtering technology, an industrial automatic control technology and a novel valve technology, and realizes the automation of the surface filtering technology. The filtering mode is positive pressure, so that solid particles and suspended matters in the liquid can be effectively trapped, and good solid-liquid separation is realized.
The LSY-91GZP-T dry automatic deslagging filter has the advantages of high filtering precision, short flow, small occupied area, low working pressure, simple process and the like.
Example 3
The embodiment discloses a control method of a gasification black water deslagging recycling treatment device, which comprises the following steps:
the liquid to be treated is conveyed to a dry automatic deslagging filter (hereinafter referred to as a filter) through a liquid inlet pump, and filtered clear liquid flows into a clear liquid collecting tank from a clear liquid port after being filtered by a membrane; solid particles, suspended matters such as mechanical impurities and the like in the treatment liquid are blocked on the surface of the membrane to form a filter cake, and when the filter reaches a certain thickness, the filter stops feeding liquid through pressure control or time control (double control) and enters a blow-drying state; under the blowing-off and filter pressing of compressed gas, liquid in the filter is blown off and exhausted, then a filter cake on the filter element is blown off to the conical bottom of the filter through back blowing of the compressed gas, a slag discharging valve is automatically opened, and filter residues are discharged into a slag groove. The whole filtering, blowing, deslagging and cleaning processes of the filter are all completed by automatic control of a PLC.
Bottom raffinate treatment: the equipment periodically operates, a part of residual liquid exists at the bottom of the equipment in the deslagging process in each operation period, a receiving tray is placed at the bottom of the equipment, and the residual liquid is received by the receiving tray and is manually transported to the buffer tank.
And (3) regenerating a filter membrane: the device will have a self-cleaning flow per operating cycle. After the equipment runs for a period of time, clean water can be manually selected to be cleaned, the clean water enters the equipment from an interface at the bottom of the equipment, aeration is carried out after the equipment is filled with the clean water, and filtering can be directly started after the cleaning is finished.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (8)
1. Gasification black water deslagging recycling treatment device is characterized in that: the dry automatic deslagging device comprises a dry automatic deslagging filter, wherein a raw material inlet of the dry automatic deslagging filter is communicated with an inlet of gasified black water through a first butterfly valve and a first ball valve, a gas inlet of the dry automatic deslagging filter is communicated with an outlet of a heat exchanger through a second butterfly valve and a first stop valve, an inlet of the heat exchanger is communicated with compressed gas through a second stop valve, a medium inlet of the heat exchanger is communicated with steam through a third stop valve, a cleaning water inlet of the dry automatic deslagging filter is communicated with cleaning water through a third butterfly valve, a cleaning outlet of the dry automatic deslagging filter is communicated with cleaning water through a fourth butterfly valve, a slag discharging port of the dry automatic deslagging filter is communicated with a hopper through a fifth butterfly valve, a liquid discharging port of the dry automatic deslagging filter is communicated with black water through a sixth butterfly valve, and a clear liquid outlet of the dry automatic deslagging filter is communicated with a second buffer tank through a seventh butterfly valve to collect clear liquid.
2. The gasification black water deslagging recycling treatment device according to claim 1, wherein the treatment device comprises the following components: the first air inlet of the dry automatic deslagging filter is communicated with the first stop valve through an eighth butterfly valve, and the second air inlet is communicated with compressed air through a ninth butterfly valve.
3. The gasification black water deslagging recycling treatment device according to claim 1, wherein the treatment device comprises the following components: the first ball valve is communicated with the first buffer tank through the regulating valve to split black water.
4. The gasification black water deslagging recycling treatment device according to claim 1, wherein the treatment device comprises the following components: the hopper is communicated with a cinder storeroom.
5. The gasification black water deslagging recycling treatment device according to claim 1, wherein the treatment device comprises the following components: and the inlet of the gasified black water is provided with a liquid inlet pump.
6. The gasification black water deslagging recycling treatment device according to any one of claims 1 to 5, wherein: the number of the dry automatic deslagging filters is 4.
7. The gasification black water deslagging recycling treatment device according to claim 6, wherein the treatment device comprises the following components: all valves are electric control valves, and the electric control valves and the liquid inlet pump are controlled by a PLC.
8. The gasification black water deslagging recycling treatment device according to claim 7, wherein the treatment device comprises the following components: the dry automatic deslagging filter is provided with a pressure detection device, and the pressure detection device is electrically connected with the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364782.8U CN220003248U (en) | 2023-05-31 | 2023-05-31 | Gasification black water deslagging recycling treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364782.8U CN220003248U (en) | 2023-05-31 | 2023-05-31 | Gasification black water deslagging recycling treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220003248U true CN220003248U (en) | 2023-11-14 |
Family
ID=88691757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321364782.8U Active CN220003248U (en) | 2023-05-31 | 2023-05-31 | Gasification black water deslagging recycling treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220003248U (en) |
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2023
- 2023-05-31 CN CN202321364782.8U patent/CN220003248U/en active Active
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