CN211912949U - Desulfurization waste water collecting and utilizing device - Google Patents
Desulfurization waste water collecting and utilizing device Download PDFInfo
- Publication number
- CN211912949U CN211912949U CN202020341592.4U CN202020341592U CN211912949U CN 211912949 U CN211912949 U CN 211912949U CN 202020341592 U CN202020341592 U CN 202020341592U CN 211912949 U CN211912949 U CN 211912949U
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- Prior art keywords
- water
- pipeline
- waste water
- filtrate
- intercommunication
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- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 29
- 230000023556 desulfurization Effects 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 239000000706 filtrate Substances 0.000 claims abstract description 49
- 239000010440 gypsum Substances 0.000 claims abstract description 37
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 20
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 239000002002 slurry Substances 0.000 abstract description 8
- 239000007787 solid Substances 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 4
- 229910000619 316 stainless steel Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
Desulfurization waste water collection utilizes device. The desulfurization waste water of the existing desulfurization system contains overflow slurry of a gypsum rotational flow station, the solid content of the waste water exceeds 10 percent, and the content of suspended matters in the effluent of the waste water is high. The utility model discloses a constitution includes: filtrate water tank (1), filtrate water pump (2), gypsum belt hydroextractor (8) and vapour and liquid separator (12), the apopore of filtrate water tank lower extreme and the inlet pipeline intercommunication of filtrate water pump, the outlet conduit of filtrate water pump is the four-way pipeline, respectively with waste water treatment system pipeline (3), wash water pipe (4), from circulating pipe (5) and gypsum belt hydroextractor pipeline (6) intercommunication, gypsum belt hydroextractor pipeline and gypsum belt hydroextractor's vacuum box (9) intercommunication, vacuum box's outlet pipe (10) and vapour and liquid separator's entry intercommunication, the export of vapour and liquid separator is through downcomer (7) and the water inlet intercommunication of filtrate water tank lower part. The utility model is used for desulfurization waste water collects and utilizes device.
Description
The technical field is as follows:
the utility model relates to a desulfurization waste water collects and utilizes device.
Background art:
the desulfurization waste water of the existing desulfurization system comes from a return water tank, wherein filter cloth washing water, filter cake washing water and gypsum box sealing water are all clear water, and the treatment is not needed. And the wastewater is diluted after being mixed with the slurry wastewater, so that the wastewater treatment efficiency is reduced.
The desulfurization waste water of the existing desulfurization system contains overflow slurry of a gypsum cyclone station, the solid content of the waste water exceeds 10%, the content of suspended matters in the effluent of the waste water is high, the discharge requirement is difficult to meet, and the water in a return water tank contains part of gypsum and is directly used as waste water for treatment, so that the waste phenomenon exists.
The utility model has the following contents:
the utility model aims at solving the problems that the waste water treatment efficiency of the existing desulfurization system is low, the waste water effluent suspended solid content is high, and the emission requirement is difficult to reach, providing a desulfurization waste water collecting and utilizing device which reduces the total amount of waste water to be treated, improves the treatment efficiency, saves the amount of tap water, and increases the gypsum yield.
The above purpose is realized by the following technical scheme:
a desulfurization waste water collecting and utilizing device comprises: filtrate water tank, filtrate water pump, gypsum belt hydroextractor and vapour and liquid separator, filtrate water tank lower extreme the apopore with filtrate water pump's inlet pipeline intercommunication, filtrate water pump's outlet pipe be the four-way pipeline, respectively with waste water treatment system pipeline, wash the water pipe, from circulating pipe and gypsum belt hydroextractor pipeline intercommunication, gypsum belt hydroextractor pipeline with gypsum belt hydroextractor's vacuum box intercommunication, vacuum box's outlet pipe with vapour and liquid separator's inlet intercommunication, vapour and liquid separator's export pass through the downtake with filtrate water tank lower part's water inlet intercommunication.
The desulfurization waste water collecting and utilizing device is characterized in that the self-circulation pipe and the flushing water pipe are respectively communicated to a water inlet at the upper part of the filtrate water tank.
The desulfurization wastewater collecting and utilizing device is characterized in that an emptying door is arranged at the bottom of the filtrate water tank.
The desulfurization wastewater collecting and utilizing device is characterized in that a liquid level meter is installed at the top of the filtrate water tank.
Has the advantages that:
1. the utility model increases the efficiency of collecting and treating the desulfurization waste water, reduces the turbidity of the waste water, saves the water consumption of sealing water, and meets the standard discharge requirement of the waste water; the equipment has the characteristics of corrosion resistance, easiness in installation, high reliability and the like.
2. The utility model discloses come water with gypsum belt feeder vapour and liquid separator filtrate water as desulfurization waste water, the water yield is sufficient, and solid content is less than 5%, and water stabilization density and turbidity are lower, directly arrange to the effluent disposal system by the filtrating water pump after directly introducing the filtrating water tank with it, can reduce the waste water treatment degree of difficulty, reduce waste water and go out water turbidity. Part of the filtrate water tank water is pumped back to the belt conveyor to be used as sealing water of the vacuum box, so that the water consumption of the sealing water can be saved.
3. The utility model discloses gypsum belt feeder vapour and liquid separator water that comes is the gypsum dehydration, and the water yield is sufficient, and solid content is less than 2%, and water stabilization density and turbidity are lower, directly arrange to the buffer pool by the filtrating water pump after directly introducing newly-built filtrating water tank with it, can reduce the waste water treatment degree of difficulty, reduce waste water and go out water turbidity.
4. The utility model discloses gypsum whirl station overflow slurry is arranged to the return water tank, avoids containing the gypsum slurry as waste water treatment, reduces waste water turbidity and has increased gypsum output simultaneously.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
in the figure: 1. a filtrate water tank; 2. a filtrate water pump; 3. a wastewater treatment system pipeline; 4. flushing the water pipe; 5. a self-circulating pipe; 6. gypsum belt dewaterer pipe; 7. a down pipe; 8. a gypsum belt dehydrator; 9. a vacuum box; 10. a water outlet pipe; 12. a vapor-liquid separator; 13. a liquid level meter; 14. and (4) emptying the door.
The specific implementation mode is as follows:
example 1:
a desulfurization waste water collecting and utilizing device comprises: filtrate water tank 1, filtrate water pump 2, gypsum belt hydroextractor 8 and vapour and liquid separator 12, filtrate water tank lower extreme the apopore with the inlet pipeline intercommunication of filtrate water pump, the outlet pipe of filtrate water pump be the four ways pipeline, respectively with waste water treatment system pipeline 3, wash water pipe 4, from circulating pipe 5 and gypsum belt hydroextractor pipeline 6 intercommunication, gypsum belt hydroextractor pipeline with gypsum belt hydroextractor's vacuum box 9 intercommunication, vacuum box's outlet pipe 10 with vapour and liquid separator's entry intercommunication, vapour and liquid separator's export pass through downcomer 7 with filtrate water tank lower part water inlet intercommunication.
Example 2:
according to the desulfurization waste water collecting and utilizing device of the embodiment 1, the self-circulation pipe and the flushing water pipe are respectively communicated with the water inlet at the upper part of the filtrate water tank.
Example 3:
according to the desulfurization waste water collecting and utilizing device in the embodiment 1 or 2, the bottom of the filtrate water tank is provided with the emptying door 14.
Example 4:
the desulfurization waste water collecting and utilizing device according to embodiment 1, 2 or 3, wherein a liquid level meter 13 is installed on the top of the filtrate water tank.
The filtrate water is used as desulfurization wastewater, incoming water flows into an inlet at the lower part of a filtrate water tank from the lower part of a gas-liquid separator of a gypsum belt dehydrator by virtue of gravity, and the filtrate water tank is discharged by a filtrate water pump after being fully collected. The outlet of the filtrate water pump is divided into four paths, namely a gypsum-removing belt dehydrator, a wastewater treatment system and a self-circulation filtrate water tank. One path of filtrate water going to the belt conveyor leads to the vacuum box to be used as sealing water. The filtrate water to the wastewater buffer tank is treated as desulfurization wastewater, and the filtrate water of the self-circulation pipeline plays a role in flow regulation; the system is provided with a flushing water pipe to facilitate flushing and cleaning of the filtrate water tank, the filtrate water pump and each pipeline when the system is stopped.
(1) The filter cloth washing water and the belt washing water are still discharged into the return water tank, do not participate in the wastewater treatment process, reduce the total amount of wastewater to be treated, and improve the treatment efficiency.
(2) Vacuum belt feeder vapour and liquid separator water that comes is the gypsum dehydration water, and the water yield is sufficient, and solid content is less than 2%, and the stable density of quality of water and turbidity are lower, directly introduces it and directly arranges to the buffer pool by the filtrating water pump after newly-built filtrating water tank, can reduce the waste water treatment degree of difficulty, reduces waste water and goes out water turbidity.
(3) Part of the filtrate water tank water is pumped back to the belt conveyor to be used as vacuum box sealing water, so that the consumption of tap water can be saved.
(4) The overflow slurry of the gypsum cyclone station is discharged to the return water tank, so that the gypsum-containing slurry is prevented from being treated as wastewater, the turbidity of the wastewater is reduced, and the yield of gypsum is increased.
The utility model aims at reducing the total amount of wastewater to be treated, improving the wastewater treatment efficiency and saving the water consumption of the vacuum belt dehydrator.
Control valves are arranged on the wastewater treatment system pipeline, the flushing water pipe, the self-circulating pipe, the gypsum belt dehydrator pipeline and the descending pipe, and flow meters are arranged on the wastewater treatment system pipeline, the flushing water pipe and the gypsum belt dehydrator pipeline.
The glass flakes in the filtrate water tank are anticorrosive, the water tank is provided with a drain port to facilitate draining, and the liquid level meter is arranged at the top to facilitate knowing the liquid level in the water tank;
the filtrate pump adopts a corrosion-resistant slurry pump, one pump is operated and one is equipped with, and the manual door is arranged in front of and behind the pump to facilitate isolation, so that the long-term stable operation of the system is ensured.
The pipeline of the wastewater treatment system can adjust the water quantity going to the wastewater treatment system through the control valve and the flow meter, and meets the requirements of the wastewater treatment system.
The flushing pipe is connected the filtrate outlet all the way for flush pump, outlet pipe prevent that the thick liquid deposit from blockking up the pipeline, connect filtrate water tank top all the way, conveniently to water tank internal water injection, be used for clearing up the filtrating water tank.
Self-loopa pipeline, the material adopts 316 stainless steel, and the manual ball valve of installation conveniently adjusts self-loopa waste water volume on the pipeline, guarantees that the filtrating water pump can steady operation in the design flow.
Gypsum belt hydroextractor pipeline, the material adopts 316 stainless steel, leads the filtrate water to belt hydroextractor vacuum box, replaces the running water with the filtrate water as vacuum box sealing water, reduces the system water consumption, guarantees simultaneously to arrange to vapour and liquid separator waste water concentration and does not reduce, improves waste water treatment efficiency.
The mounting height from the gas-liquid separator to the water tank inlet pipe of the downcomer needs to be more than 10 meters from the height of the gas-liquid separator, and liquid suck-back caused by negative pressure of the gas-liquid separator is prevented.
Claims (4)
1. A desulfurization waste water collecting and utilizing device comprises: filtrating water tank, filtrating water pump, gypsum belt hydroextractor and vapour and liquid separator, characterized by: the apopore of filtrating water tank lower extreme with the inlet pipeline intercommunication of filtrating water pump, the outlet pipeline of filtrating water pump be the four ways pipeline, respectively with waste water treatment system pipeline, wash the water pipe, from circulating pipe and gypsum belt hydroextractor pipeline intercommunication, gypsum belt hydroextractor pipeline with gypsum belt hydroextractor's vacuum box intercommunication, vacuum box's outlet pipe with vapor-liquid separator's entry intercommunication, vapor-liquid separator's export pass through the downtake with the water inlet intercommunication of filtrating water tank lower part.
2. The desulfurization waste water collecting and utilizing device as defined in claim 1, wherein: the self-circulation pipe and the flushing water pipe are respectively communicated with a water inlet at the upper part of the filtrate water tank.
3. The desulfurization waste water collecting and utilizing device as defined in claim 2, wherein: and the bottom of the filtrate water tank is provided with a drainage door.
4. The desulfurization waste water collecting and utilizing device as defined in claim 3, wherein: and a liquid level meter is arranged at the top of the filtrate water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020341592.4U CN211912949U (en) | 2020-03-18 | 2020-03-18 | Desulfurization waste water collecting and utilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020341592.4U CN211912949U (en) | 2020-03-18 | 2020-03-18 | Desulfurization waste water collecting and utilizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211912949U true CN211912949U (en) | 2020-11-13 |
Family
ID=73355760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020341592.4U Expired - Fee Related CN211912949U (en) | 2020-03-18 | 2020-03-18 | Desulfurization waste water collecting and utilizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211912949U (en) |
-
2020
- 2020-03-18 CN CN202020341592.4U patent/CN211912949U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 |