CN212640136U - Desalted water filtering backwashing water recycling device - Google Patents
Desalted water filtering backwashing water recycling device Download PDFInfo
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- CN212640136U CN212640136U CN201922498742.2U CN201922498742U CN212640136U CN 212640136 U CN212640136 U CN 212640136U CN 201922498742 U CN201922498742 U CN 201922498742U CN 212640136 U CN212640136 U CN 212640136U
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- Prior art keywords
- water
- communicated
- filtering
- pipeline
- backwashing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 238000001914 filtration Methods 0.000 title claims abstract description 34
- 238000011001 backwashing Methods 0.000 title claims abstract description 22
- 238000004064 recycling Methods 0.000 title claims abstract description 14
- 238000000746 purification Methods 0.000 claims abstract description 16
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000010802 sludge Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 238000004062 sedimentation Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 5
- 239000006004 Quartz sand Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 abstract description 13
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 238000005406 washing Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 3
- 229940037003 alum Drugs 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- XLYOFNOQVPJJNP-DYCDLGHISA-N deuterium hydrogen oxide Chemical compound [2H]O XLYOFNOQVPJJNP-DYCDLGHISA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a desalted water filtering and backwashing water recycling device, which comprises a backwashing water recovery pool, a filtering water pump, an integrated purification device and a concentrated water tank; wherein, the water outlet of the backwashing water recovery water tank is communicated with the water inlet of the integrated purification device through a filter water pump; the water inlet of the integrated purification device is communicated with the water inlet of the concentrated water tank, so that the desalted water filtering and backwashing water recycling device which realizes the recycling of wastewater and achieves the purposes of energy conservation and emission reduction is provided.
Description
Technical Field
The utility model relates to a water treatment technical field especially relates to a desalinized water filters backwash water retrieval and utilization device.
Background
With the development of economic society, the problems of water resource shortage and water environment deterioration are increasingly prominent, the national requirements on environmental protection are higher and higher, the water cost and the pollution discharge cost are increased continuously, and the industry pays more attention to water saving and emission reduction due to the restrictive discharge policy of successive delivery. As a large household using water and electricity, if the water saving of the chemical industry is integrally planned, the process technology is improved, and the water saving is over 50 percent, so that the purposes of improving the utilization efficiency of water resources and reducing the discharge of sewage and wastewater are achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a realize waste water reuse to reach the desalted water filtration backwash water retrieval and utilization device of energy saving and emission reduction purpose.
In order to achieve the aim, the utility model provides a desalted water filtering and backwashing water recycling device, which comprises a backwashing water recycling pool, a filtering water pump, an integrated purification device and a concentrated water tank;
the water outlet of the backwashing water recovery water tank is communicated with the water inlet of the integrated purification device through the filter water pump; and the water outlet of the integrated purification device is communicated with the water inlet of the concentrated water tank.
Preferably, the integrated purification device comprises a device body, a mixing reaction cavity, a precipitation zone and a filtration zone;
wherein the mixing reaction chamber and the settling zone are both preset in the device body; a water inlet is preset on the side wall of the device body and is communicated with the mixing reaction cavity through a pipeline;
the mixed reaction cavity is communicated with the settling zone through a pipeline, and the settling zone is communicated with an overflow port preset on the device body through a pipeline; the overflow port is communicated with the water inlet of the filtering area through a pipeline, and the water outlet of the filtering area is communicated with the water inlet of the concentrated water tank through a pipeline.
Preferably, the settling zone is an inclined tube settling tank; the inclined tube sedimentation tank comprises an inclined tube area and a sludge collecting groove; the water inlet of the inclined tube area is communicated with the mixing reaction cavity through a pipeline, and the water outlet of the inclined tube area is communicated with the overflow port through a pipeline; the sludge collecting groove is positioned below the inclined pipe area, and a sludge discharge pipe is arranged at the bottom end of the sludge collecting groove in advance.
Preferably, the filtering area is a filtering box, and quartz sand is filled in the filtering box.
Compared with the prior art, the utility model has the advantages that: the utility model discloses a desalinized water filters backwash water retrieval and utilization device purifies waste water through setting up integrated purifier, fully removes the waste material impurity in the waste water, and the water after the purification reaches the source water standard of intaking after collecting through dense water tank.
Drawings
FIG. 1 is a flow chart of a desalted water filtering and backwashing water recycling device in an embodiment of the present invention;
fig. 2 is a schematic structural view of an integrated water purifying device in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be further described below.
As shown in fig. 1, the utility model provides a desalted water filtering and backwashing water recycling device, which comprises a backwashing water recycling pool, a filtering water pump, an integrated purification device and a concentrated water tank;
wherein, the water outlet of the backwashing water recovery water tank is communicated with the water inlet 7 of the integrated purification device through a filter water pump; the water outlet of the integrated purification device is communicated with the water inlet of the concentrated water tank.
And the wastewater in the backwashing water recovery tank is input into the integrated purification device through the filter water pump for decontamination, and the decontaminated wastewater enters the concentrated water tank for collection.
In the present embodiment, as shown in fig. 2, the integrated purification apparatus includes an apparatus body 1, a mixing reaction chamber 2, a precipitation zone, and a filtration zone 4;
wherein, the mixing reaction cavity 2 and the sedimentation zone are both preset in the device body 1; a water inlet is preset on the side wall of the device body 1 and is communicated with the mixing reaction cavity 2 through a pipeline; the mixing reaction cavity 2 is communicated with a settling zone through a pipeline, and the settling zone is communicated with an overflow port 5 preset on the device body 1 through a pipeline; the overflow port 5 is communicated with the water inlet of the filtering area 4 through a pipeline, and the water outlet of the filtering area 4 is communicated with the water inlet of the concentrated water tank through a pipeline. The sedimentation area is an inclined tube sedimentation tank; the inclined tube sedimentation tank comprises an inclined tube area 3 and a sludge collection tank 6; the water inlet of the inclined tube area 3 is communicated with the mixing reaction cavity 2 through a pipeline, and the water outlet of the inclined tube area 3 is communicated with the overflow port 5 through a pipeline; the sludge collecting groove 6 is positioned below the inclined pipe area 3, and a sludge discharge pipe is arranged at the bottom end of the sludge collecting groove 6 in advance. The wastewater is conveyed into a mixing reaction cavity 2 through a high-pressure pump, is fully contacted and reacted with a coagulant in a cavity to form alum floc, the mixed solution enters a precipitation zone through the high-pressure pump, is precipitated through an inclined tube precipitation tank, the precipitated alum floc and sludge enter a lower sludge collection tank 6 and are discharged out of a system through a later stage of a sludge discharge pipe, and the purified water is overflowed through an overflow port 5 and enters a filtering zone 4;
in this embodiment, the filtering area 4 is a filtering box filled with quartz sand, and the quartz sand is used for filtering and purifying the purified water again to ensure the purifying effect on the wastewater.
The utility model discloses a desalinized water filters backwash water retrieval and utilization device brings beneficial effect carries out further demonstration through concrete fractional data below:
feasibility analysis and corresponding technical scheme are carried out by recycling 60 tons of desalted water filtered wastewater:
1. self-formation of 60 ton desalted water filtered wastewater
Note: measured by the device operating 20 hours per day
Calculating the formula: the amount of multimedium backwash water is the backwash flow rate, backwash time, backwash frequency and the total amount.
Backwash flow rate of 220T/H
Normal washing flow rate of 60T/H
The backwashing time is 20min
Normal washing time is 20min
Backwashing frequency is 1 times/2 days
2 total stations
Amount of multimedium backwash water (D) 220T/H20/60H 1 times/2 days 2 tables 73T/D
Multi-medium forward washing flow (D) 60T/H20/60H 1 times/2 days 2 tables 20T/D
Calculating the formula: the amount of activated carbon backwash water is the backwash flow rate, backwash time, backwash frequency and total amount.
Backwash flow rate of 170T/H
Normal washing flow rate of 60T/H
The backwashing time is 20min
Normal washing time is 20min
Backwashing frequency is 1 times/4 days
2 total stations
Activated carbon backwash water volume (D) 170T/H20/60H 1/4 days 2T/D28
Activated carbon forward washing flow (D) 60T/H20/60H 1 times/4 days 2 10T/D
2. Analyzing and judging the quality of waste water
Multi-medium and activated carbon filter forward washing water and backwash water quality component prediction
The indexes for comparing the main change of the water inlet components are as follows:
and (4) conclusion: the quality of backwash water is similar to that of inlet water, but suspended substances and turbidity are likely to rise, and a large amount of organic and inorganic suspended substances exist in the water.
Through the utility model discloses a demineralized water filters backwash water retrieval and utilization device handles 60 tons of demineralized water filtration waste water.
Overall spatial design and system yield approximation:
1. the occupied area is as follows: 2m 10m 20m square meters (devices are all centralized control with centralized equipment in mind)
2. The operation cost is as follows: the automatic operation of the system is mainly electric charge
3. Installed capacity: 1.5kw 2+3kw 6kw
4. Operating power: 4.5kw
5. The consumable cost is 0.5 yuan/T.
And (3) analyzing the system recovery benefit:
1) cost of electricity charges
Electric charge: 4.5kw × 0.68 yuan/kw ÷ 15 ton ÷ 0.20 yuan/ton
2) System recovery benefits
Saving water cost: 131 tons/day × 95% (calculated as 95% recovery). times.2.1 yuan/ton: 261.35 yuan/day
Reducing the pollution discharge cost: 131 tons/day × 95% (calculated as 95% recovery) × 6.2 yuan/ton 771.6 yuan/day
The cost is saved in total: (261.35 yuan +771.6 yuan) - (0.2+0.5) yuan/ton × 131 ton/day 941.25 yuan/day
3) Total return of backwash water recovery
A. The annual economic profit is 941.25 yuan × 365 days ═ 34.36 ten thousand yuan/year.
B. Energy conservation and emission reduction, and increase of environmental and social benefits.
The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.
Claims (3)
1. A desalted water filtering and backwashing water recycling device is characterized by comprising a backwashing water recycling water tank, a filtering water pump, an integrated purifying device and a concentrated water tank;
the water outlet of the backwashing water recovery water tank is communicated with the water inlet of the integrated purification device through the filter water pump; the water outlet of the integrated purification device is communicated with the water inlet of the concentrated water tank;
the integrated purification device comprises a device body, a mixing reaction cavity, a precipitation zone and a filtration zone;
wherein the mixing reaction chamber and the settling zone are both preset in the device body; a water inlet is preset on the side wall of the device body and is communicated with the mixing reaction cavity through a pipeline;
the mixed reaction cavity is communicated with the settling zone through a pipeline, and the settling zone is communicated with an overflow port preset on the device body through a pipeline; the overflow port is communicated with the water inlet of the filtering area through a pipeline, and the water outlet of the filtering area is communicated with the water inlet of the concentrated water tank through a pipeline.
2. The desalted water filtration and backwash water reuse apparatus according to claim 1, wherein said settling zone is an inclined tube settling tank; the inclined tube sedimentation tank comprises an inclined tube area and a sludge collecting groove; the water inlet of the inclined tube area is communicated with the mixing reaction cavity through a pipeline, and the water outlet of the inclined tube area is communicated with the overflow port through a pipeline; the sludge collecting groove is positioned below the inclined pipe area, and a sludge discharge pipe is arranged at the bottom end of the sludge collecting groove in advance.
3. The desalted water filtering and backwashing water recycling device of claim 1, wherein the filtering area is a filtering box filled with quartz sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498742.2U CN212640136U (en) | 2019-12-31 | 2019-12-31 | Desalted water filtering backwashing water recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498742.2U CN212640136U (en) | 2019-12-31 | 2019-12-31 | Desalted water filtering backwashing water recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212640136U true CN212640136U (en) | 2021-03-02 |
Family
ID=74768236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922498742.2U Expired - Fee Related CN212640136U (en) | 2019-12-31 | 2019-12-31 | Desalted water filtering backwashing water recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212640136U (en) |
-
2019
- 2019-12-31 CN CN201922498742.2U patent/CN212640136U/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 |
Granted publication date: 20210302 |