CN206599461U - A kind of reverse osmosis concentrated water internal circulation system - Google Patents
A kind of reverse osmosis concentrated water internal circulation system Download PDFInfo
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- CN206599461U CN206599461U CN201720102097.6U CN201720102097U CN206599461U CN 206599461 U CN206599461 U CN 206599461U CN 201720102097 U CN201720102097 U CN 201720102097U CN 206599461 U CN206599461 U CN 206599461U
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Abstract
The utility model belongs to anti-penetration wastewater disposal field, discloses a kind of reverse osmosis concentrated water internal circulation system, includes the water side for water intake end and the after-treatment system connection being connected with water inlet system；It is connected with reverse osmosis high-pressure pump and reverse-osmosis filtering device between the water intake end and water side in turn, the delivery port of the reverse-osmosis filtering device is connected with concentrated water collection device and clear water collection device；The reverse-osmosis circulating pump connection that concentrated water in concentrated water collection device is drawn back to reverse-osmosis filtering device reprocessing is connected between concentrated water collection device and the water inlet of reverse-osmosis filtering device.The utility model can provide enough intake pressures, system stable operation by reverse-osmosis circulating pump and reverse osmosis high-pressure pump by adding the concentrated water circulatory system of reverse-osmosis circulating pump for membranous system；The concentrate recirculation of system makes film surface be difficult to accumulate more pollutants, reduces Membrane cleaning number of times, increases the service life of film, can also change the rate of recovery of system by adjusting concentrated water valve, and operation energy consumption is low.
Description
Technical field
The utility model is related to anti-penetration wastewater disposal field, particularly relates to a kind of reverse osmosis concentrated water internal circulation system.
Background technology
Conventional water treatment flow is generally using raw water once by formula, and in raw water is once designed by formula, water inlet is only flowed
Membranous system is crossed once, the part in water inlet turns into product water through film surface, and remaining water inlet is constantly concentrated, with higher dense
Degree leaves system, and the concentrated water is because concentration is too high and can not reuse, and the technology investment cost is big and water use efficiency is low.Institute
With when number of elements very little, can be using concentrated water circulation and when the system is reached enough rate of recovery requirements.Some special
It is widely applied in occasion such as process stream concentration and wastewater treatment, in some contain the system of inner loop, part concentrated water
The component or the import of this section are returned directly to, and is mixed with water inlet.
Current concentrated water circulation technology uses the big high pressure pump circulation of big flow substantially, without circulating pump.This concentrated water is followed
Loop system must be supplemented by high pressure pump outlet pressure backward conveying production water needed for pressure, but high-pressure pump outlet pressure not
The maximum allowable intake pressure of membrane component must be higher than, also particularly effective measure should be taken to prevent back pressure.The system flowback is got over
Height, producing water water quality is lower；Need higher energy consumption；Cost is high.
The utility model can be carried by adding the concentrated water circulatory system of circulating pump by circulating pump and high-pressure pump for membranous system
For enough intake pressures, make system stable operation；The concentrate recirculation of the system can make film surface be difficult to accumulate more pollutions
Thing, reduces Membrane cleaning number of times, increases the service life of film, can also change the rate of recovery of system by adjusting concentrated water valve.And fortune
Row energy consumption is low.
Utility model content
The problem of the utility model is solved is that Membrane cleaning is often in the prior art, the rate of recovery is low, operation energy consumption is high and film
The problem of service life is short.
To solve the above problems, the utility model is achieved through the following technical solutions：A kind of reverse osmosis concentrated water interior circulation system
System, includes the water side for water intake end and the after-treatment system connection being connected with water inlet system；Between the water intake end and water side
It is connected with reverse osmosis high-pressure pump and reverse-osmosis filtering device in turn, the delivery port of the reverse-osmosis filtering device is connected with concentrated water receipts
Acquisition means and clear water collection device；It is connected between concentrated water collection device and the water inlet of reverse-osmosis filtering device and collects concentrated water
Concentrated water draws back the reverse-osmosis circulating pump connection of reverse-osmosis filtering device reprocessing in device.
Operation principle of the present utility model：Reverse osmosis concentrated water internal circulation system over time accumulative useless in the process of running
Pollutant in water constantly can be accumulated in the dope side of reverse-osmosis filtering device, and reverse osmosis membrane pollutant therein is mainly inorganic
The chemical contamination of salt scaling fouling, film.In order to improve the contamination resistance of film and more easily change the rate of recovery of film, counter-infiltration
Counter-infiltration part concentrate recirculation to water inlet end to increase the flow velocity on reverse osmosis membrane surface, is made it in the process of running by circulating pump
The effect of self-cleaning is reached, so that the pollution speed on film surface is reduced, while the overall rate of recovery of the system of raising.By in dope
The circulating pump that exit is set, can make film surface by following pump a part of concentrate from outlet return to film import
The partial contamination thing of accumulation is seen off by loosening whenever and wherever possible, and reverse osmosis membrane will not be too big because of pressure difference in certain time running
Or the film rate of recovery reduction and the few frequent clean of aquifer yield, add the service life of film.
Further, it is preferably to realize the utility model, is specifically arranged to following structures：The reverse-osmosis circulating pump and
First check-valve and inner recirculation flow gauge are additionally provided between the water inlet of reverse-osmosis filtering device.
Further, it is preferably to realize the utility model, is specifically arranged to following structures：The reverse osmosis high-pressure pump and
Second check-valve is provided between reverse-osmosis filtering device.
Further, it is preferably to realize the utility model, is specifically arranged to following structures：The reverse osmosis high-pressure pump and
The hand-operated valves such as ball valve or butterfly valve are additionally provided between reverse-osmosis filtering device.
Further, it is preferably to realize the utility model, is specifically arranged to following structures：The reverse-osmosis filtering device
Including reverse osmosis membrane and the pressure gauge and pressure transmitter that are arranged on the water route of reverse osmosis membrane front end.
Further, it is preferably to realize the utility model, is specifically arranged to following structures：The clear water collection device
Water side is connected with the 3rd check-valves.
Further, it is preferably to realize the utility model, is specifically arranged to following structures：The reverse-osmosis circulating pump
Water outlet is additionally provided with stop valve.
The utility model compared with prior art, with advantages below and beneficial effect：
First, the utility model reduces high-pressure pump flow and power is reduced investment outlay cost, reduces system operation power consumption, drop
Low operating cost.Reverse-osmosis circulating pump can be reduced by concentrate from outlet return to film import (reverse osmosis high-pressure pump discharge)
It is back at pump inlet, and additionally increases the power and flow of high-pressure pump, using the circulating pump of external low discharge bottom lift, can has
The investment cost of the reduction equipment of effect and the overall operation cost of system.
2nd, the utility model adds surface velocity, can effective lessening membrane fouling, prolong film service life.By anti-
Concentrated water interior circulation is permeated, to increase film surface velocity, increase film surface washes away dynamics, makes pollutant in the probability of film superficial residence
Diminish, to reach the cleaning frequency and service life of extension film, the general cleaning frequency can delay 1-2 months.
3rd, the utility model allows to change the composition intake, and increase circulating pump makes the water quality of film import change, and film enters
Water is partial raw water and the mixture of part concentrated water.So that this resistance to change of water quality ability of reverse osmosis membrane is strong.
4th, the utility model improves the rate of recovery of system, and internal system sets flow control valve, by adjusting counter-infiltration
The interior circulation flow of film can easily change the rate of recovery of membranous system.
5th, simpler during the utility model detergent line, the cleaning of reverse osmosis membrane is entrance point one water inlet of connection in film
Pipe and valve enter directly into reverse-osmosis membrane element by adjusting the terminal valve of cleaning pump and cleaned, therefore in film frame not
With the unnecessary detergent line of increase.
6th, the extension of the utility model system is convenient, can change membrane area according to the practical operation situation of system.
7th, the utility model system operatio flexibly, can be by multistratum system isolated operation or certain section of independent operating.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein：1- water inlet systems；2- reverse osmosis concentrated water internal circulation systems；3- reverse osmosis high-pressure pumps；4- second check-valves；5-
First ball valve；6- pressure transmitters；7- pressure gauges；8- reverse osmosis membranes；9- inner recirculation flow gauge；10- reverse-osmosis circulating pumps；11-
Stop valve；The check-valves of 12- the 3rd；13- after-treatment systems.
Embodiment
Embodiment 1：
In the present embodiment, as shown in figure 1, a kind of reverse osmosis concentrated water internal circulation system 2, it is characterised in that：Including with water inlet
The water side that the water intake end and after-treatment system 13 that system 1 is connected are connected；It is connected with turn between the water intake end and water side
Reverse osmosis high-pressure pump 3 and reverse-osmosis filtering device, the delivery port of the reverse-osmosis filtering device be connected with concentrated water collection device and
Clear water collection device；Being connected between concentrated water collection device and the water inlet of reverse-osmosis filtering device will be dense in concentrated water collection device
The reverse-osmosis circulating pump 10 that water draws back reverse-osmosis filtering device reprocessing is connected.
The course of work of the present utility model：First confirm that reverse osmosis concentrated water internal circulation system 2 has been switched on, while opening reverse osmosis
Saturating concentrated water discharge valve, closes dense valve after the low-pressure washing of 1 minute, opens reverse-osmosis circulating pump 10, reverse osmosis high-pressure pump 3
Deng.In the process, the part concentrated water of reverse osmosis concentrated water internal circulation system 2 is pressurized again by internal circulation pump, enters reverse osmosis
Saturating influent side is filtered.Internal circulation pump lift allows for the outlet pressure of matching reverse osmosis high-pressure pump 3.
Embodiment 2：
In order to prevent from treating the concentrate recirculation handled again into concentrated water collection device, it is possible to monitor concentrated water at any time in pipeline
In traffic conditions, the present embodiment further sets up first check-valve and inner recirculation flow gauge 9 on the basis of above-described embodiment,
First check-valve and interior circulation flow are additionally provided between the reverse-osmosis circulating pump 10 and the water inlet of reverse-osmosis filtering device
Meter 9.The other parts of the present embodiment are identical with above-described embodiment, repeat no more here.
Embodiment 3：
In order to prevent the water backflow for being extracted into reverse-osmosis filtering device processing from water inlet system 1 by reverse osmosis high-pressure pump 3,
The present embodiment further sets up second check-valve 4 on the basis of above-described embodiment, and the reverse osmosis high-pressure pump 3 and reverse osmosis are passed through
Second check-valve 4 is provided between filter device.The other parts of the present embodiment are identical with above-described embodiment, repeat no more here.
Embodiment 4：
Flow is adjusted for convenience, and the present embodiment further sets up the first ball valve 5 on the basis of above-described embodiment, described
The first ball valve 5 is additionally provided between reverse osmosis high-pressure pump 3 and reverse-osmosis filtering device.The other parts of the present embodiment and above-mentioned reality
Apply example identical, repeat no more here.
Embodiment 5：
In order to preferably monitor the situation of change of pressure in water treatment procedure, to instruct the valve that switch is related, so that
The efficiency of control process water, the present embodiment further sets up pressure gauge 7 and pressure transmitter 6 on the basis of above-described embodiment,
The reverse-osmosis filtering device includes reverse osmosis membrane 8 and the pressure gauge 7 and pressure inverting that are arranged on the front end water route of reverse osmosis membrane 8
Device 6.The other parts of the present embodiment are identical with above-described embodiment, repeat no more here.
Embodiment 6：
In order to prevent the further impact of the water crossed by reverse-osmosis treated again to reverse osmosis membrane 8, the present embodiment is upper
State and further set up the 3rd check-valves 12 on the basis of embodiment, the water side of the clear water collection device is connected with the 3rd non-return
Valve 12.The other parts of the present embodiment are identical with above-described embodiment, repeat no more here.
Embodiment 7：
The present embodiment further sets up stop valve 11 on the basis of above-described embodiment, and the reverse-osmosis circulating pump 10 goes out
Stop valve 11 is additionally provided with the mouth of a river.The other parts of the present embodiment are identical with above-described embodiment, repeat no more here.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to technical spirit of the present utility model to above example, equivalent variations are each fallen within
Protection domain of the present utility model.
Claims (7)
1. a kind of reverse osmosis concentrated water internal circulation system, it is characterised in that：Including the water intake end being connected with water inlet system and post processing
The water side of system connection；It is connected with reverse osmosis high-pressure pump and osmosis filtration dress between the water intake end and water side in turn
Put, the delivery port of the reverse-osmosis filtering device is connected with concentrated water collection device and clear water collection device；Concentrated water collection device and
It is connected between the water inlet of reverse-osmosis filtering device and concentrated water in concentrated water collection device is drawn back into reverse-osmosis filtering device reprocessing
Reverse-osmosis circulating pump connection.
2. a kind of reverse osmosis concentrated water internal circulation system according to claim 1, it is characterised in that the reverse-osmosis circulating pump
First check-valve and inner recirculation flow gauge are additionally provided between the water inlet of reverse-osmosis filtering device.
3. a kind of reverse osmosis concentrated water internal circulation system according to claim 1, it is characterised in that the reverse osmosis high-pressure pump
Second check-valve is provided between reverse-osmosis filtering device.
4. a kind of reverse osmosis concentrated water internal circulation system according to claim 3, it is characterised in that the reverse osmosis high-pressure pump
The hand-operated valves such as ball valve or butterfly valve are additionally provided between reverse-osmosis filtering device.
5. a kind of reverse osmosis concentrated water internal circulation system according to claim 1, it is characterised in that the osmosis filtration dress
Put including reverse osmosis membrane and the pressure gauge and pressure transmitter that are arranged on the water route of reverse osmosis membrane front end.
6. a kind of reverse osmosis concentrated water internal circulation system according to claim 1, it is characterised in that the clear water collection device
Water side be connected with the 3rd check-valves.
7. a kind of reverse osmosis concentrated internal circulation system according to claim any one of 1-6, it is characterised in that the counter-infiltration
The water outlet of circulating pump is additionally provided with stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720102097.6U CN206599461U (en) | 2017-01-26 | 2017-01-26 | A kind of reverse osmosis concentrated water internal circulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720102097.6U CN206599461U (en) | 2017-01-26 | 2017-01-26 | A kind of reverse osmosis concentrated water internal circulation system |
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| CN206599461U true CN206599461U (en) | 2017-10-31 |
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| CN201720102097.6U Active CN206599461U (en) | 2017-01-26 | 2017-01-26 | A kind of reverse osmosis concentrated water internal circulation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663408A (en) * | 2019-01-11 | 2019-04-23 | 合肥科锐特环保工程有限公司 | Formic acid film reclaimer |
| CN114314752A (en) * | 2021-12-17 | 2022-04-12 | 南京中电环保水务有限公司 | Closed circulation reverse osmosis system and process |
| CN116443989A (en) * | 2023-04-25 | 2023-07-18 | 江苏格纳环境工程有限公司 | Garbage penetrating fluid treatment device and treatment method |
-
2017
- 2017-01-26 CN CN201720102097.6U patent/CN206599461U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663408A (en) * | 2019-01-11 | 2019-04-23 | 合肥科锐特环保工程有限公司 | Formic acid film reclaimer |
| CN114314752A (en) * | 2021-12-17 | 2022-04-12 | 南京中电环保水务有限公司 | Closed circulation reverse osmosis system and process |
| CN116443989A (en) * | 2023-04-25 | 2023-07-18 | 江苏格纳环境工程有限公司 | Garbage penetrating fluid treatment device and treatment method |
| CN116443989B (en) * | 2023-04-25 | 2023-10-20 | 江苏格纳环境工程有限公司 | Garbage penetrating fluid treatment device and treatment method |
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