CN206244473U - Compound wastewater recycling device - Google Patents
Compound wastewater recycling device Download PDFInfo
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- CN206244473U CN206244473U CN201621357563.7U CN201621357563U CN206244473U CN 206244473 U CN206244473 U CN 206244473U CN 201621357563 U CN201621357563 U CN 201621357563U CN 206244473 U CN206244473 U CN 206244473U
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Abstract
The utility model discloses a kind of compound wastewater recycling device, including water inlet pipe, reverse-osmosis treated unit and nanofiltration membrane treatment unit, the water inlet pipe is connected with the water inlet of counter-infiltration treatment unit for waste water；The wastewater outlet of the reverse-osmosis treated unit is connected with the water inlet of nanofiltration membrane treatment unit, and the wastewater outlet of the nanofiltration membrane treatment unit is connected with discharge of wastewater mouth and concentrated water the cleaning refluxing opening of waste water tank respectively；The pure water inlet of the reverse-osmosis treated unit is connected with the pure water inlet of nanofiltration membrane treatment unit, form the total pure water inlet of recombiner unit, the total pure water inlet of recombiner unit discharge purified water mouthful respectively with raw water box, the discharge purified water mouthful of intermediate water tank and water purification cleaning refluxing opening are connected.The utility model improves the utilization ratio of water resource, using in extensive range, can using to counter-infiltration system Sewage treatment in the middle of, again can as the building block of Zero discharging system, and sewage disposal system building block.
Description
Technical field
The utility model is related to a kind of compound wastewater recycling device.
Background technology
Reverse osmosis technology is a desalting technology for comparative maturity in existing water treatment field, and counter-infiltration is a kind of applying pressure
Power in process produced by the concentrated solution that pellicle is in contact and that naturally osmotic phenomenon is opposite.Exceed solution when pressure is applied
Naturally osmotic pressure, then solution will flow through pellicle, opposite side formed weak solution, and pressurization side formed concentration
Solution higher, this phenomenon is referred to as counter-infiltration.But counter-infiltration can produce substantial amounts of waste water, waste water account for total Water four/
One.Substantial amounts of waste water is discharged and cannot recycled, and causes a large amount of wastes of water resource and the increase of enterprise operation cost,
Profit margin is reduced, the sustainable development of the energy-saving and emission-reduction policy requirements and society of country is not met.And from state now
From the point of view of the water resource form of border and the country, it has been a undisputable fact that water resource lacks, each state all how saving water resource
How to make full use of in water resource and make an issue of, to alleviate increasingly serious water resources shortage.
Frequently with reverse-osmosis membrane element in existing wastewater recycling device, waste water is by one layer of low pressure anti-pollution reverse osmosis membrane unit
The two layers of waste water quality produced after part treatment are worse, from one layer of low pressure anti-pollution reverse osmosis membrane element not only operating cost meeting
Operation stability high can also be deteriorated.Because low pressure nanofiltration membrane component operating pressure is low, flux is high, is ensureing aquifer yield and relatively low
Producing reduces operating cost while water power is led, therefore it is next further to increase by two layers of low pressure nanofiltration membrane component in wastewater recycling device
Water reuse rate is improved, solves that operating cost is high and the problems such as operation stability difference.
Utility model content
In order to improve the reclamation rate of waste water, the utility model provides a kind of compound waste water of high-recovery equipment with high desalinization
Reclamation set, by the compound high-recovery equipment with high desalinization wastewater recycling device of this set to reach the purpose of energy-saving and emission-reduction, improves
The utilization ratio of water resource, makes water reuse efficiency reach 70%-75% under relatively low operating cost.
The technical scheme that the utility model is used is：
A kind of compound wastewater recycling device, including water inlet pipe, reverse-osmosis treated unit and nanofiltration membrane treatment unit, it is described
One end of water inlet pipe is connected with the wastewater discharge pipe of counter-infiltration system, is disposed with the wastewater discharge pipe electronic into water
Control valve and hand control valve；The other end of the water inlet pipe is connected with the water inlet of counter-infiltration treatment unit for waste water；It is described anti-
The wastewater outlet for permeating processing unit is connected with the water inlet of nanofiltration membrane treatment unit, and the waste water of the nanofiltration membrane treatment unit goes out
Mouth cleans refluxing opening and is connected with the discharge of wastewater mouth and concentrated water of waste water tank respectively by waste water outlet pipe；The reverse-osmosis treated list
The pure water inlet of unit is connected with the pure water inlet of nanofiltration membrane treatment unit, forms the total pure water inlet of recombiner unit, the compound list
First total pure water inlet passes through discharge purified water mouthful, the discharge purified water mouthful and water purification of intermediate water tank of the water purification outlet pipe respectively with raw water box
Cleaning refluxing opening is connected.
Further, the reverse-osmosis treated unit includes four reverse-osmosis membrane elements being connected in parallel；
Further, the nanofiltration membrane treatment unit includes two nanofiltration membrane components of parallel connection.
Further, the water inlet of the counter-infiltration treatment unit for waste water is connected with the flushing import of flush box, described
The pipeline that the water inlet of counter-infiltration treatment unit for waste water is connected with the flushing import of flush box is provided with flushing motor-operated control valve.
Further, the water inlet of the counter-infiltration treatment unit for waste water is connected with the cleaning import of cleaning water tank, described
The pipeline that the water inlet of counter-infiltration treatment unit for waste water is connected with the cleaning import of cleaning water tank is provided with cleaning water intaking valve.
Further, total water intaking valve is provided with the water inlet pipe, total draining valve is provided with the water purification outlet pipe.
Further, the wastewater outlet of the nanofiltration membrane treatment unit passes through respectively with the total pure water inlet of the recombiner unit
Pipeline is connected with blowoff basin.
Further, the total pure water inlet of the recombiner unit and the discharge purified water mouthful of raw water box, the water purification row of intermediate water tank
Valve is respectively equipped with the pipeline for putting mouth, water purification cleaning refluxing opening and blowoff basin connection.
Further, the wastewater outlet of the nanofiltration membrane treatment unit and discharge of wastewater mouth, waste water cleaning refluxing opening and row
Valve is respectively equipped with the pipeline of pond connection.
Further, it is respectively equipped with sampling valve on the water inlet pipe, water purification outlet pipe and concentrated water outlet pipe.
Compared with prior art, the beneficial effects of the utility model are：
(1) compound wastewater recycling device can be not only used to counter-infiltration system Sewage treatment profit using in extensive range
With central, be also used as the building block of Zero discharging system, and sewage disposal system building block；The present apparatus improves water
Utilization rate, water reuse efficiency is reached 70%-75%, salt rejection rate reaches more than 93%-95%；By the counter-infiltration being combined
Processing unit and nanofiltration membrane treatment unit so that effluent quality is better than raw water, can according to on-site actual situations be back to intermediate water tank,
Feed water by reverse osmosis end is mixed with raw water.
(2) present apparatus used low pressure reverse osmosis membrane component, low pressure nanofiltration membrane component so that equipment operating cost reduction,
Present apparatus operating cost is less than 0.5 yuan, and its operation power charge is than Normal wastewater equipment for reclaiming reduction by 1/3rd；The present apparatus
Floor space is small, simple to operate, is operated by the valve of respective line.
(3) compound wastewater recycling device not only has a rate of recovery and salt rejection rate higher, moreover it is possible to reach preferably fortune
Row stability, can make compound wastewater recycling device be in steady operational status for a long time in auxiliary rinse-system.
Brief description of the drawings
Fig. 1 is overall structure figure of the present utility model；
Wherein, 1, water inlet motor-operated control valve, 2, hand control valve, 3, total water intaking valve, 4, water inlet pipe, 5, rinse Electronic control
Valve, 6, cleaning water intaking valve, 7, reverse-osmosis membrane element, 8, counter-infiltration treatment unit for waste water, 9, flush box, 10, cleaning water tank,
11st, nanofiltration membrane treatment unit, 12, nanofiltration membrane component, 13, waste water outlet pipe, 14, waste water tank, 15, waste water cleaning refluxing opening, 16,
Sampling valve, 17, blowoff basin, 18, water purification outlet pipe, 19, raw water box, 20, intermediate water tank, 21, water purification cleaning refluxing opening, 22, useless
Water discharge spout, 23, counter-infiltration system, 24, the total water purification delivery port of recombiner unit, 25, total draining valve.
Specific embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of compound wastewater recycling device, including water inlet pipe 4, reverse-osmosis treated unit 8 and NF membrane
Processing unit 11, one end of the water inlet pipe 4 is connected with the wastewater discharge pipe 22 of counter-infiltration system, the wastewater discharge pipe 22
On be disposed with into water motor-operated control valve 1 and hand control valve 2；The other end of the water inlet pipe 4 and counter-infiltration wastewater treatment
The water inlet of unit 8 is connected, and total water inlet control valve 3 is provided with the water inlet pipe 1；The counter-infiltration treatment unit for waste water 8
Water inlet is connected with the flushing import of flush box 9, water inlet and the flush box 9 of the counter-infiltration treatment unit for waste water 8
Flushing motor-operated control valve 5 is provided between flushing import；The water inlet of the counter-infiltration treatment unit for waste water 8 and cleaning water tank 10
Cleaning import is connected, be provided between the cleaning import of the water inlet of the counter-infiltration treatment unit for waste water and cleaning water tank clean into
Water valve 6；
The reverse-osmosis treated unit 8 includes four reverse-osmosis membrane elements 7 being connected in parallel, the reverse-osmosis membrane element 7
Ultralow pressure high-flux reverse osmosis membrane is used, for example:Tao Shi LE-400 etc., its product performance is extremely low operating pressure, minimum
Operating pressure in 0.45Mpa, the aquifer yield of the relatively common film of aquifer yield under low pressure operation；The nanofiltration membrane treatment unit 11 is wrapped
Two nanofiltration membrane components 12 of parallel connection are included, the nanofiltration membrane component 12 is low pressure nanofiltration membrane component, low pressure nanofiltration membrane component operation pressure
Power is low, and flux is high, and operating cost is reduced while ensureing that aquifer yield and relatively low product water power are led.
The wastewater outlet of the reverse-osmosis treated unit 8 is connected with the water inlet of nanofiltration membrane treatment unit 11, the nanofiltration
The wastewater outlet of film process unit 11 is cleaned back with the discharge of wastewater mouth and concentrated water of waste water tank 14 respectively by waste water outlet pipe 13
Head piece 15 is connected；The wastewater outlet of the nanofiltration membrane treatment unit 11 is also connected with blowoff basin, is utilized when waste water is not intended to storage
When, will be discharged in blowoff basin 17, then discharged by blowoff basin 17；The wastewater outlet of the nanofiltration membrane treatment unit is arranged with waste water
Valve is respectively equipped with the pipeline for putting mouth, waste water cleaning refluxing opening and blowoff basin connection；
The pure water inlet of the reverse-osmosis treated unit 8 is connected with the pure water inlet of nanofiltration membrane treatment unit 11, forms multiple
The total pure water inlet 24 of unit is closed, the total pure water inlet 24 of recombiner unit is net with raw water box 19 respectively by water purification outlet pipe 18
Water outlet, the discharge purified water mouthful of intermediate water tank 20 are connected with water purification cleaning refluxing opening 21, are set on the water purification outlet pipe 18
There is total draining valve；The total pure water inlet 24 of recombiner unit is also connected with blowoff basin 17, when produce water purification be not intended to when
Wait, by discharge purified water to blowoff basin 17, then emitted by blowoff basin 17；The total pure water inlet 24 of recombiner unit and original
The pipe of the discharge purified water mouthful of water tank 19, the discharge purified water mouthful of intermediate water tank 20, water purification cleaning refluxing opening 21 and the connection of blowoff basin 17
Valve is respectively equipped with road.Sampling valve 16 is respectively equipped with the water inlet pipe 4, water purification outlet pipe 18 and concentrated water outlet pipe 13.
Its specific embodiment is：
Compound wastewater recycling device ground floor is to ensure compound height from low pressure anti-pollution reverse osmosis membrane element 7
Rate of recovery equipment with high desalinization wastewater recycling device salt rejection rate high, it is compound high-recovery that two layer choosing low pressure nanofiltration membrane elements 12 are
The equipment with high desalinization wastewater recycling device rate of recovery high, and low pressure nanofiltration 12 operating pressures of membrane component are low, flux is high, is ensureing to produce water
Amount and relatively low product water power reduce operating cost while leading.Compound wastewater recycling device is transported using original counter-infiltration system
During row, the certain pressure carried during discharge waste water is forced into compound waste water reclaiming device the inside using this partial pressure,
Reverse-osmosis treated unit 8 and the filtration treatment of nanofiltration membrane treatment unit 11 are carried out, the reuse water purification of produce load requirement carries out synthesis
Compound wastewater recycling device can be made afterwards can not only a rate of recovery and salt rejection rate higher, moreover it is possible to reach preferably operation steady
Qualitative, auxiliary rinse-system can make compound wastewater recycling device be in steady operational status for a long time.
Former counter-infiltration system run signal is taken, during former counter-infiltration system startup optimization, compound wastewater recycling device is automatic
Operation work, the water inlet pipe 4 of compound wastewater recycling device is directly connected with the wastewater discharge pipe 22 of former counter-infiltration system, will be useless
Water is sent in compound high-recovery equipment with high desalinization wastewater recycling device, using what is produced in former counter-infiltration system discharge of wastewater
Pressure, by small-sized supercharging device (small-sized booster pump) on original counter-infiltration system discharge of wastewater pressure-based, increases relatively low
Stress level, compound high-recovery equipment with high desalinization wastewater recycling device can just run.
Total water intaking valve 3 is opened, waste water is further pressurizeed by water inlet pipe 4 by pump, into compound wastewater recycling device
Middle ground floor low pressure anti-pollution reverse osmosis membrane element 7, water purification and two layers of waste water, qualified reuse are produced by ground floor membrane component
Water purification is recycled, and by two layers of low pressure nanofiltration membrane component 12, its treatment produces qualified returning to two layers of water reuse residual compression
Reused with water purification, the waste water for producing again is drained.
When compound wastewater recycling device overhauled or suspended use when, can by providing the total water intaking valve 3 of signal-off,
Compound wastewater recycling device water inlet is cut off, the wastewater discharge pipe 22 that waste water passes through former counter-infiltration system is discharged.
Flushing is timed according to compound wastewater recycling device ruuning situation, scaling tendency is weakened, improves compound useless
The service life and guarantee device long-time steady operation of water recycling device.
The cleaning water tank 10 of purging system between detergent line being connected to waterwheel is provided with, on-line cleaning can be individually carried out, filled
Divide and make use of existing cleaning device, improve existing cleaning device utilization rate, reduce and take up an area, save fund.
It is not new to this practicality although above-mentioned be described with reference to accompanying drawing to specific embodiment of the present utility model
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Various modifications or deform still in protection model of the present utility model that field technique personnel make by need not paying creative work
Within enclosing.
Claims (10)
1. a kind of compound wastewater recycling device, it is characterised in that including water inlet pipe, reverse-osmosis treated unit and nanofiltration membrane treatment
Unit, one end of the water inlet pipe is connected with the wastewater discharge pipe of counter-infiltration system, is set gradually on the wastewater discharge pipe
Have into water motor-operated control valve and hand control valve；The water inlet phase of the other end of the water inlet pipe and counter-infiltration treatment unit for waste water
Even；The wastewater outlet of the reverse-osmosis treated unit is connected with the water inlet of nanofiltration membrane treatment unit, the nanofiltration membrane treatment list
The wastewater outlet of unit cleans refluxing opening and is connected with the discharge of wastewater mouth and concentrated water of waste water tank respectively by waste water outlet pipe；It is described anti-
The pure water inlet for permeating processing unit is connected with the pure water inlet of nanofiltration membrane treatment unit, forms the total pure water inlet of recombiner unit,
The total pure water inlet of recombiner unit passes through discharge purified water mouthful, the water purification row of intermediate water tank of the water purification outlet pipe respectively with raw water box
Mouth is put to be connected with water purification cleaning refluxing opening.
2. a kind of compound wastewater recycling device according to claim 1, it is characterised in that：The reverse-osmosis treated unit
Including four reverse-osmosis membrane elements being connected in parallel.
3. a kind of compound wastewater recycling device according to claim 1, it is characterised in that：The nanofiltration membrane treatment unit
Including two nanofiltration membrane components of parallel connection.
4. a kind of compound wastewater recycling device according to claim 1, it is characterised in that：The counter-infiltration wastewater treatment
The water inlet of unit is connected with the flushing import of flush box, the water inlet and flush box of the counter-infiltration treatment unit for waste water
Flushing import connection pipeline be provided with flushing motor-operated control valve.
5. a kind of compound wastewater recycling device according to claim 1, it is characterised in that：The counter-infiltration wastewater treatment
The water inlet of unit is connected with the cleaning import of cleaning water tank, water inlet and the cleaning water tank of the counter-infiltration treatment unit for waste water
Cleaning import connection pipeline be provided with cleaning water intaking valve.
6. a kind of compound wastewater recycling device according to claim 1, it is characterised in that：It is provided with the water inlet pipe
Total water intaking valve, total draining valve is provided with the water purification outlet pipe.
7. a kind of compound wastewater recycling device according to claim 1, it is characterised in that：The nanofiltration membrane treatment unit
Wastewater outlet be connected with blowoff basin by pipeline respectively with the total pure water inlet of the recombiner unit.
8. a kind of compound wastewater recycling device according to claim 1, it is characterised in that：The total water purification of recombiner unit
The discharge purified water mouthful of outlet and raw water box, the discharge purified water mouthful of intermediate water tank, water purification clean the pipe that refluxing opening and blowoff basin are connected
Valve is respectively equipped with road.
9. a kind of compound wastewater recycling device according to claim 1, it is characterised in that：The nanofiltration membrane treatment unit
Wastewater outlet and discharge of wastewater mouth, be respectively equipped with valve on the pipeline that is connected of waste water cleaning refluxing opening and blowoff basin.
10. a kind of compound wastewater recycling device according to claim 1, it is characterised in that：The water inlet pipe, water purification go out
Sampling valve is respectively equipped with water pipe and concentrated water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357563.7U CN206244473U (en) | 2016-12-12 | 2016-12-12 | Compound wastewater recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357563.7U CN206244473U (en) | 2016-12-12 | 2016-12-12 | Compound wastewater recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206244473U true CN206244473U (en) | 2017-06-13 |
Family
ID=59006039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621357563.7U Active CN206244473U (en) | 2016-12-12 | 2016-12-12 | Compound wastewater recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206244473U (en) |
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2016
- 2016-12-12 CN CN201621357563.7U patent/CN206244473U/en active Active
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