CN211896385U - Washing water recovery system of filter press - Google Patents
Washing water recovery system of filter press Download PDFInfo
- Publication number
- CN211896385U CN211896385U CN202020157516.8U CN202020157516U CN211896385U CN 211896385 U CN211896385 U CN 211896385U CN 202020157516 U CN202020157516 U CN 202020157516U CN 211896385 U CN211896385 U CN 211896385U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- recovery
- filter press
- filter
- washing water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000011084 recovery Methods 0.000 title claims abstract description 57
- 238000005406 washing Methods 0.000 title claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract 2
- 238000001514 detection method Methods 0.000 claims description 24
- 239000000706 filtrate Substances 0.000 claims description 23
- 238000006386 neutralization reaction Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 239000008213 purified water Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000003345 natural gas Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 abstract 2
- 238000004064 recycling Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000004065 wastewater treatment Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a filter press washing water recovery system, including filter equipment, a control system, the pump machine, heating system and filter press, filter equipment is connected with the pump machine through the pipeline, filter equipment is connected with control system through the electricity connection, the pump machine is connected with heating system through the pipeline, heating system is connected with the filter press through the pipeline, the lower part of filter press is provided with filthy mud recovery pipeline, filtrating discharge pipe and filtrating recovery tube respectively, filthy mud recovery pipeline is connected with external recovery unit, filtrating recovery tube is connected with the recovery water storage tank through the pipeline, the upper portion of recovery water storage tank is provided with the water purification and gets into the pipeline, the bottom of recovery water storage tank is connected with the upper portion of filter press through the pipeline, be provided with on the filter press and wait to press the filter material conveying pipeline; the utility model discloses effectively reduce waste water's emission, effectively reduce subsequent waste water purification treatment burden, reach energy-concerving and environment-protective requirement.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, concretely relates to pressure filter washing water recovery system.
Background
In the existing production line of ferric phosphate dihydrate, in the filter pressing and washing process, the content of impurity substances in the washing water in the later stage of the filter press is extremely low, the recycling condition is completely met, the water temperature of the washing water is high, the energy consumption of unit products can be effectively reduced by recycling, and the production cost is reduced; therefore, in order to solve the above problems, it is necessary to develop a washing water recycling system for filter press machine, which is energy-saving and environment-friendly and reduces the burden of the subsequent wastewater treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems and providing a washing water recovery system of a filter press, which has the advantages of energy saving, environmental protection and reduction of burden of subsequent wastewater treatment.
The purpose of the utility model is realized like this: the utility model provides a pressure filter washing water recovery system, including filter equipment, control system, pump machine heating system and pressure filter, filter equipment is connected with the pump machine through the pipeline, filter equipment is connected with control system through the electricity, the pump machine is connected with heating system through the pipeline, heating system is connected with the pressure filter through the pipeline, the lower part of pressure filter is provided with filthy mud recovery pipeline respectively, filtrating delivery pipe and filtrating recovery pipe, filthy mud recovery pipeline is connected with outside recovery unit, the filtrating delivery pipe is connected with neutralization pond through the pipeline, be provided with normally open solenoid valve on the pipeline that filtrating delivery pipe and neutralization pond are connected, temperature-detecting device and concentration detection device, filtrating recovery pipe is connected with the recovery tank through the pipeline, be provided with normally closed solenoid valve on the filtrating recovery pipe, temperature-detecting device and concentration detection device, the upper portion of retrieving the tank is provided with the bottom that the water purification got into the pipeline and retrieves the tank and is mutually connected with And a conveying pipeline for the object to be pressed is arranged on the press filter.
The filtering device adopts a water purifying filter.
The pipeline is provided with a liquid leakage detection device, a temperature detection device and a pressure detection device.
The heating system adopts a natural gas combustion system for heating.
The filter press adopts a belt filter and a spiral filter press.
And a liquid level detection device and a temperature detection device are arranged on the recovery water storage tank.
The control system is electrically connected with the heating system, the filter press and the recovery water storage tank.
The utility model has the advantages that: the washing water at the later reaction stage of the filter press is recycled through the arranged filtrate recycling pipe and the recycling water storage tank, and the recycled washing water and the purified water passing through the heating system are mixed in proportion through the arranged control system for use, so that the energy is saved while the environment is protected because the recycled washing water has a certain temperature; through the recovery water storage tank, the discharge of washing water is reduced, the treatment period of the neutralization tank is shortened, the productivity is improved, and the burden and the cost of wastewater treatment are reduced.
Drawings
Fig. 1 is a flow chart of the structure of the present invention.
In the figure: 1. the filter device 2, the control system 3, the pump machine 4, the heating system 5, the filter press 51, the filter mud recycling pipeline 52, the filtrate discharge pipe 53, the filtrate recycling pipe 6, the recycling water storage tank 61, the purified water inlet pipeline 7 and the conveying pipeline of the object to be filter-pressed.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, a washing water recycling system of a filter press comprises a filtering device 1, a control system 2, a pump 3, a heating system 4 and a filter press 5, wherein the filtering device 1 adopts a water purifying filter, and the filtering device 1 is a common device and is not described herein too much; the filtering device 1 is connected with the pump machine 3 through a pipeline, the filtering device 1 is connected with the control system 2 through electric connection, the pump machine 3 is connected with the heating system 4 through a pipeline, in the utility model, the heating system 4 adopts a natural gas combustion system to heat, the heating system 4 is connected with the filter press 5 through a pipeline, the filter press 5 adopts a belt filter or a spiral filter press, and the filter press 5 is a mature technology, so that the description is not provided; the lower part of the filter press 5 is respectively provided with a sludge recovery pipeline 51, a filtrate discharge pipe 52 and a filtrate recovery pipe 53, the sludge recovery pipeline 51 is connected with an external recovery device, the filtrate discharge pipe 52 is connected with a neutralization tank through a pipeline, the pipeline connecting the filtrate discharge pipe 52 with the neutralization tank is provided with a normally open electromagnetic valve, a temperature detection device and a concentration detection device, when the washing water in the filtrate discharge pipe 52 reaches a set concentration, the normally open electromagnetic valve is closed, and the washing water is recovered through the filtrate recovery pipe 53; the filtrate recovery pipe 53 is connected with the recovery water storage tank 6 through a pipeline, a liquid level detection device and a temperature detection device are arranged on the recovery water storage tank 6, so that the control system 2 can conveniently mix the liquid in the recovery water storage tank 6 with the liquid generated by the heating system 4 according to a certain proportion, the utilization rate of recovery water is improved, the consumption of energy is reduced, meanwhile, because the washing water in the later period is recovered, the discharge of the part of washing water to the neutralization tank is reduced, the processing period of the neutralization tank is reduced, and the production capacity is improved; the filtrate recycling pipe 53 is provided with a normally closed solenoid valve, a temperature detection device and a concentration detection device, the upper part of the recycling water storage tank 6 is provided with a purified water inlet pipeline 61, the bottom of the recycling water storage tank 6 is connected with the upper part of the filter press 5 through a pipeline, and the filter press 5 is provided with a to-be-pressed filtrate conveying pipeline 7.
Be provided with weeping detection device, temperature-detecting device and pressure measurement on the pipeline, the skin of pipeline all is provided with the heat preservation protector, and the control system 2 of being convenient for monitors whole pipeline, prevents the accident of production, makes production ability safety and stability move.
The control system 2 is electrically connected with the heating system 4, the filter press 5 and the recovery water storage tank 6.
The working process of the utility model is as follows: washing the filter press 5 by the washing water of the heating system 4 and the recovery water storage tank 6, wherein in the washing process, a normally open electromagnetic valve on the filtrate discharge pipe 52 ensures that the washing water at the initial stage enters the neutralization tank through the filtrate discharge pipe 52, and meanwhile, through a concentration detection device on the filtrate discharge pipe 52, when the washing water reaches the set concentration, the normally open electromagnetic valve is closed, a normally closed electromagnetic valve on the filtrate recovery pipe 53 is opened, so that the washing water is sent to the recovery water storage tank 6 through the filtrate recovery pipe 53, and the later-stage washing water is recycled; because the washing water has certain temperature in the whole washing process, and the impurity content of the washing water in the later period is very little, the washing water is recycled, thereby saving energy, reducing the treatment capacity of the neutralization tank and improving the production capacity.
Claims (7)
1. The utility model provides a pressure filter washing water recovery system, includes filter equipment (1), control system (2), pump machine (3), heating system (4) and pressure filter (5), its characterized in that: the filter device (1) is connected with a pump machine (3) through a pipeline, the filter device (1) is connected with a control system (2) through electric connection, the pump machine (3) is connected with a heating system (4) through a pipeline, the heating system (4) is connected with a filter press (5) through a pipeline, the lower part of the filter press (5) is respectively provided with a filtered mud recovery pipeline (51), a filtrate discharge pipe (52) and a filtrate recovery pipe (53), the filtered mud recovery pipeline (51) is connected with an external recovery device, the filtrate discharge pipe (52) is connected with a neutralization pond through a pipeline, the pipeline connecting the filtrate discharge pipe (52) with the neutralization pond is provided with a normally open electromagnetic valve, a temperature detection device and a concentration detection device, the filtrate recovery pipe (53) is connected with a recovery water storage tank (6) through a pipeline, the filtrate recovery pipe (53) is provided with a normally closed electromagnetic valve, a temperature detection device and a concentration detection, the upper part of the recovery water storage tank (6) is provided with a purified water inlet pipeline (61), the bottom of the recovery water storage tank (6) is connected with the upper part of a filter press (5) through a pipeline, and the filter press (5) is provided with a to-be-filtered material conveying pipeline (7).
2. The filter press washing water recovery system according to claim 1, wherein: the filtering device (1) adopts a water purifying filter.
3. The filter press washing water recovery system according to claim 1, wherein: the pipeline is provided with a liquid leakage detection device, a temperature detection device and a pressure detection device.
4. The filter press washing water recovery system according to claim 1, wherein: and the heating system (4) adopts a natural gas combustion system for heating.
5. The filter press washing water recovery system according to claim 1, wherein: the filter press (5) adopts a belt filter and a spiral filter press.
6. The filter press washing water recovery system according to claim 1, wherein: and a liquid level detection device and a temperature detection device are arranged on the recovery water storage tank (6).
7. The filter press washing water recovery system according to claim 1, wherein: the control system (2) is electrically connected with the heating system (4), the filter press (5) and the recovery water storage tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157516.8U CN211896385U (en) | 2020-02-10 | 2020-02-10 | Washing water recovery system of filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157516.8U CN211896385U (en) | 2020-02-10 | 2020-02-10 | Washing water recovery system of filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211896385U true CN211896385U (en) | 2020-11-10 |
Family
ID=73303935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020157516.8U Expired - Fee Related CN211896385U (en) | 2020-02-10 | 2020-02-10 | Washing water recovery system of filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211896385U (en) |
-
2020
- 2020-02-10 CN CN202020157516.8U patent/CN211896385U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |