CN219897379U - Ash water purification recycle system - Google Patents
Ash water purification recycle system Download PDFInfo
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- CN219897379U CN219897379U CN202321277953.3U CN202321277953U CN219897379U CN 219897379 U CN219897379 U CN 219897379U CN 202321277953 U CN202321277953 U CN 202321277953U CN 219897379 U CN219897379 U CN 219897379U
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- outlet
- liquid storage
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000000746 purification Methods 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 72
- 238000003825 pressing Methods 0.000 claims abstract description 50
- 239000010797 grey water Substances 0.000 claims abstract description 23
- 238000004064 recycling Methods 0.000 claims abstract description 14
- 238000003860 storage Methods 0.000 claims description 49
- 239000002002 slurry Substances 0.000 claims description 24
- 238000000926 separation method Methods 0.000 claims description 17
- 238000004062 sedimentation Methods 0.000 claims description 12
- 239000012065 filter cake Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 239000003245 coal Substances 0.000 abstract description 8
- 238000002309 gasification Methods 0.000 abstract description 7
- 239000010866 blackwater Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model aims to solve the technical problem of providing a grey water purification recycling system, which is used for carrying out secondary filter pressing on filter pressing clear liquid, recycling the filter pressing clear liquid after purification, saving water resources, and reducing suspended matter concentration entering a coal gasification water system.
Description
Technical Field
The utility model is used in the field of novel purification and recycling of ash water in coal chemical industry, and particularly relates to an ash water purification and recycling system.
Background
The coarse synthetic gas of the coal gasification device in the production process is washed to generate a large amount of black water with higher solid content, and the black water is generated in a high-temperature and high-pressure environment and has the characteristics of high hardness, high alkalinity and high suspended matter concentration. And finally, the black water enters normal-pressure sedimentation separation equipment after flash evaporation, and is settled under the action of a flocculating agent, so that the total suspended matters of the black water are reduced, and the water quality is improved. Clear liquid clarified in the sedimentation separation equipment is called as grey water and overflows to the grey water buffer storage equipment, slurry at the bottom of the sedimentation separation equipment is conveyed to the filter pressing equipment through a slurry conveying pump, clear liquid generated by filter pressing is conveyed back to the grey water buffer storage equipment through clear liquid pumping, and finally enters the coal gasification water system to be reused, so that water resources are saved.
However, the concentration of clear liquid ash water suspended matters produced by filter pressing is high, the solid content of ash water entering a coal gasification water system is increased, the treatment difficulty of ash water scale inhibition dispersion is increased, the system scaling is accelerated, equipment and pipelines are blocked, and the continuous and stable operation of the coal gasification system is finally influenced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the grey water purifying and recycling system, which is used for carrying out secondary filter pressing on filter pressing clear liquid, recycling the purified filter pressing clear liquid, saving water resources and reducing the suspended matter concentration entering a coal gasification water system.
The utility model is realized by the following technical scheme:
the ash water purifying and recycling system comprises sedimentation separation equipment, ash water buffer storage equipment, first filter pressing equipment, second filter pressing equipment, first clear liquid storage equipment and second clear liquid storage equipment,
the liquid outlet of subsidence separation equipment communicates grey water buffer storage equipment, the mud outlet of subsidence separation equipment communicates first filter-pressing equipment, the liquid outlet of first filter-pressing equipment communicates first clear liquid storage equipment, the liquid outlet of first clear liquid storage equipment communicates second filter-pressing equipment, the liquid outlet of second filter-pressing equipment communicates second clear liquid storage equipment, the liquid outlet of second clear liquid storage equipment communicates grey water buffer storage equipment.
Further, a belt conveyor is arranged below the filter cake material outlets of the first filter pressing equipment and the second filter pressing equipment.
Further, the mud outlet of the sedimentation separation device is communicated with the first filter pressing device through a pipeline, and a slurry conveying pump inlet valve, a slurry conveying pump outlet valve and a slurry conveying pump outlet slurry control regulating valve group are sequentially arranged on the pipeline.
Further, the liquid outlets of the first clear liquid storage device and the second clear liquid storage device are respectively provided with a clear liquid pump and a clear liquid pump outlet control regulating valve group in sequence.
Further, the side walls of the first clear liquid storage device and the second clear liquid storage device are provided with liquid level meters.
Compared with the prior art, the utility model has the following beneficial effects:
1. the clear liquid of the first filter pressing device enters the second filter pressing device, and the filter pressing clear liquid is subjected to secondary filter pressing, so that the reuse of the purified filter pressing clear liquid is realized, the water resource is saved, and the suspended matter concentration entering the coal gasification water system is reduced;
2. the utility model solves the problems of high concentration of suspended matters in the ash water and low utilization rate of part of the ash water, reduces the concentration of suspended matters in clear liquid after filter pressing, and recycles part of the ash water to the system for continuous use, thereby meeting the use requirement, reducing the water supplementing amount of the system and saving water resources;
3. the belt conveyor is arranged below the filter cake material outlets of the first filter pressing equipment and the second filter pressing equipment, so that filter cakes can be conveyed, and the structure is compact.
Drawings
FIG. 1 is a schematic diagram of a grey water purification and recycling system according to the utility model;
in the figure: 1. sedimentation separation equipment, 2, grey water buffer storage equipment, 3, first filter pressing equipment, 4, second filter pressing equipment, 5, first clear liquid storage equipment, 6, second clear liquid storage equipment, 7, a liquid level meter, 8, a slurry conveying pump inlet valve, 9, a slurry conveying pump, 10, a slurry conveying pump outlet valve, 11, a slurry conveying pump outlet slurry control regulating valve group, 12 and a belt conveyor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the utility model, it should be understood that the terms "front," "rear," "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
The embodiment discloses grey water purification recycle system, including subside separation equipment 1, grey water buffer storage equipment 2, first filter-pressing equipment 3, second filter-pressing equipment 4, first clear solution storage equipment 5 and second clear solution storage equipment 6, be equipped with the level gauge 7 at the lateral wall of first clear solution storage equipment 5 and second clear solution storage equipment 6. The overflow liquid outlet of the sedimentation separation device 1 is communicated with the grey water buffer storage device 2 through a pipeline, the mud outlet of the sedimentation separation device 1 is communicated with the first filter pressing device 3 through a pipeline, and a slurry conveying pump inlet valve 8, a slurry conveying pump 9, a slurry conveying pump outlet valve 10 and a slurry conveying pump outlet slurry control regulating valve group 11 are sequentially arranged on the pipeline. The liquid outlet of first filter-pressing equipment 3 communicates first clear solution storage facility 5, and the liquid outlet of first clear solution storage facility 5 communicates second filter-pressing equipment 4, and the liquid outlet of second filter-pressing equipment 4 communicates second clear solution storage facility 6, and the liquid outlet of second clear solution storage facility 6 communicates grey water buffer storage facility 2. In this embodiment, the liquid outlets of the first clear liquid storage device 5 and the second clear liquid storage device 6 are respectively provided with a clear liquid pump and a clear liquid pump outlet control regulating valve group in sequence. A belt conveyor 12 is arranged below the filter cake material outlets of the first filter pressing device 3 and the second filter pressing device 4, and the filter cake is transported by one belt conveyor 12.
The concrete working process of the grey water purifying and recycling system in the embodiment is as follows:
black water generated by the system enters the sedimentation separation equipment 1, slurry with the solid content of about 20% is formed in the sedimentation separation equipment 1 through the action of a medicament and gravity, the slurry is conveyed to the first filter pressing equipment 3 through a slurry conveying pump, a filter cake and clear liquid are formed after the slurry is pressed in the first filter pressing equipment 3, the filter cake is conveyed to a storage place through a belt conveyor 12, clear liquid (turbidity of 10 mg/L) enters a first clear liquid storage equipment 5 through a return pipe, clear liquid (turbidity of 10 mg/L) in the first clear liquid storage equipment is conveyed to a second filter pressing equipment 4 through a clear liquid pump, the filter cake and clear liquid which are formed again through filter pressing in the second filter pressing equipment 4 are conveyed to the storage place through the belt conveyor 12, clear liquid (turbidity of 5 mg/L) enters the second clear liquid storage equipment 6 through the return pipe, clear liquid (turbidity of 5 mg/L) is conveyed to the grey water buffer storage equipment 2 through the clear liquid pumping, and the purified grey water enters the system, and the grey water is recycled.
Claims (5)
1. The ash water purifying and recycling system comprises sedimentation separation equipment and ash water buffer storage equipment, and is characterized by further comprising first filter pressing equipment, second filter pressing equipment, first clear liquid storage equipment and second clear liquid storage equipment,
the liquid outlet of subsidence separation equipment communicates grey water buffer storage equipment, the mud outlet of subsidence separation equipment communicates first filter-pressing equipment, the liquid outlet of first filter-pressing equipment communicates first clear liquid storage equipment, the liquid outlet of first clear liquid storage equipment communicates second filter-pressing equipment, the liquid outlet of second filter-pressing equipment communicates second clear liquid storage equipment, the liquid outlet of second clear liquid storage equipment communicates grey water buffer storage equipment.
2. The grey water purification and recycling system according to claim 1, wherein a belt conveyor is arranged below the filter cake material outlets of the first filter pressing device and the second filter pressing device.
3. The grey water purifying and recycling system according to claim 1, wherein the mud outlet of the sedimentation separation device is communicated with the first filter pressing device through a pipeline, and a slurry conveying pump inlet valve, a slurry conveying pump outlet valve and a slurry conveying pump outlet slurry control regulating valve group are sequentially arranged on the pipeline.
4. The grey water purification and recycling system according to claim 1, wherein the liquid outlets of the first clear liquid storage device and the second clear liquid storage device are respectively provided with a clear liquid pump and a clear liquid pump outlet control regulating valve group in sequence.
5. The grey water purification and recycling system of any of claims 1-4, wherein the side walls of the first and second clear liquid storage devices are provided with level gauges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277953.3U CN219897379U (en) | 2023-05-25 | 2023-05-25 | Ash water purification recycle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277953.3U CN219897379U (en) | 2023-05-25 | 2023-05-25 | Ash water purification recycle system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219897379U true CN219897379U (en) | 2023-10-27 |
Family
ID=88430693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321277953.3U Active CN219897379U (en) | 2023-05-25 | 2023-05-25 | Ash water purification recycle system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219897379U (en) |
-
2023
- 2023-05-25 CN CN202321277953.3U patent/CN219897379U/en active Active
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