CN109467207A - Reverse osmosis back-purge system - Google Patents
Reverse osmosis back-purge system Download PDFInfo
- Publication number
- CN109467207A CN109467207A CN201811601876.6A CN201811601876A CN109467207A CN 109467207 A CN109467207 A CN 109467207A CN 201811601876 A CN201811601876 A CN 201811601876A CN 109467207 A CN109467207 A CN 109467207A
- Authority
- CN
- China
- Prior art keywords
- water
- reverse osmosis
- host
- connecting tube
- valve
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/06—Pressure conditions
- C02F2301/066—Overpressure, high pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of reverse osmosis back-purge systems, it includes reverse osmosis host, pressurized tank, active carbon filter and water pump, the pressurized tank is connected with the production water side of reverse osmosis host and active carbon filter respectively, the water outlet of the water pump is connected with the concentrated water side of reverse osmosis host, the invention has the advantages that: it effectively prevents and produces the problem of water initial stage salinity increases, the reverse osmosis membrane of reverse osmosis host can be effectively cleaned simultaneously, reverse osmosis membrane surface sediment incrustation is prevented, reverse osmosis membrane service life is improved；Can anti-locking system discharge of wastewater, save water resource, improve water purification efficiency.
Description
Technical field
The present invention relates to the technical fields of water purification system, lead more particularly to the technology of reverse osmosis purified water system
Domain.
Background technique
Counter-infiltration system has been widely used for household water filter, it can effectively remove inorganic matter in tap water and organic
Object impurity and bacterium and virus.For household reverse osmosis water purifier when not working, concentrated water side salinity wants high compared to is produced from water side
20-100 times or more out, under osmotic pressure effect, salt can penetrate into through reverse osmosis membrane fenestra and produce water side, cause to produce water side salt
Concentration increases.In the work of water purifier next time, the salt of this partial penetration will lead to a certain stage for producing water (before usually
100-300 milliliters of water) conductivity increases, and first glass of water that user is connected to is typically not capable of 90% salt rejection rate, has instead higher
Calcium ions and magnesium ions also occur that scale formation when heating up water.
Summary of the invention
The object of the invention is to provided to solve above-mentioned deficiency it is a kind of prevent reverse osmosis membrane from standing when salt infiltration
Saturating phenomenon guarantees that initial water outlet conductivity maintains very low level, guarantees that user constantly drinks the reverse osmosis recoil of pure water
Wash system.
In order to solve the above-mentioned technical problem technical solution that the present invention uses is as follows:
Reverse osmosis back-purge system, it includes reverse osmosis host, pressurized tank, active carbon filter and water pump, the pressurized tank
It is connected respectively with the production water side of reverse osmosis host and active carbon filter, the water outlet of the water pump is dense with reverse osmosis host
Water side is connected.
It further includes having water tank, and the water tank is connected with the concentrated water side of the water inlet of water pump and reverse osmosis host respectively
It is logical.
Air inlet, the first communication port and the second communication port are respectively arranged on the pressurized tank, in the reverse osmosis master
The concentrated water side of machine is respectively arranged with the first water inlet and the first water outlet, and the production water side of reverse osmosis host is provided with the second water outlet
Mouthful, the first water inlet of reverse osmosis host is connected with the water outlet of water pump, the second water outlet and pressurized tank of reverse osmosis host
The first communication port be connected, third water inlet and pure water outlet, pressure are respectively arranged on the active carbon filter
Second communication port of tank is connected with the third water inlet of active carbon filter, be respectively arranged on the water tank the 4th into
4th water inlet of the mouth of a river and the 4th water outlet, water tank is connected with the first water outlet of reverse osmosis host, and the of water tank
Four water outlets are connected with the water inlet of water pump.
First water inlet of the reverse osmosis host is connected by the first connecting tube with the water outlet of water pump, the reverse osmosis
Second water outlet of saturating host is connected by the second connecting tube with the first communication port of pressurized tank, and the second of the pressurized tank connects
Port is connected by third connecting tube with the third water inlet of active carbon filter, and the 4th water inlet of the water tank passes through
4th connecting tube is connected with the first water outlet of reverse osmosis host, and the 4th water outlet of the water tank passes through the 5th connecting tube
It is connected with the water inlet of water pump.
The first valve is installed in first connecting tube, the second valve is installed in the third connecting tube,
6th valve is installed at the air inlet of the pressurized tank, third valve is installed in the 4th connecting tube, described
4th valve is installed in five connecting tubes.
Waste water draining is provided in the 4th connecting tube between reverse osmosis first water outlet of host and third valve
Pipe, is equipped with the 5th valve on wastewater drainage pipe.
The present invention is using the above-mentioned attainable beneficial effect of technical solution:
1, by adding pressurized tank between reverse osmosis host and active carbon filter, and by the water in pressurized tank to reverse osmosis
The reverse osmosis membrane of host is backwashed, and produces the problem of water initial stage salinity increases to effectively prevent, while can be with
The reverse osmosis membrane for effectively cleaning reverse osmosis host prevents reverse osmosis membrane surface sediment incrustation, improves reverse osmosis membrane service life.
2, water tank is used to receive the waste water of reverse osmosis host concentrated water side discharge, in the work of water purifier next time, water storage
Water in tank can enter reverse osmosis host by the suction of water pump, output pure water, thus can anti-locking system discharge of wastewater, save
Water resource improves water purification efficiency.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
As shown in Figure 1, reverse osmosis back-purge system, it include reverse osmosis host 1, pressurized tank 2, active carbon filter 3,
Water tank 4 and water pump 5, the pressurized tank 2 is connected with the production water side of reverse osmosis host 1 and active carbon filter 3 respectively, described
The water outlet 6 of water pump 5 is connected with the concentrated water side of reverse osmosis host 1, the water tank 4 respectively with the water inlet 7 of water pump 5 and anti-
The concentrated water side of infiltration host 1 is connected.Between reverse osmosis host 1, pressurized tank 2, active carbon filter 3, water tank 4 and water pump 5
Specific connection relationship it is as follows: air inlet 8, the first communication port 9 and the second communication port are respectively arranged on the pressurized tank 2
10, it is respectively arranged with the first water inlet 11 and the first water outlet 12 in the concentrated water side of the reverse osmosis host 1, in reverse osmosis host
1 production water side is provided with the second water outlet 13, and the first water inlet 11 of reverse osmosis host 1 passes through the first connecting tube 14 and water pump 5
Water outlet 6 be connected, the first valve 15 is installed in the first connecting tube 14, the second water outlet 13 of reverse osmosis host 1 is logical
It crosses the second connecting tube 16 to be connected with the first communication port 9 of pressurized tank 2, is respectively arranged on the active carbon filter 3
Second communication port 10 of three water inlets 17 and pure water outlet 18, pressurized tank 2 passes through third connecting tube 19 and active carbon filter 3
Third water inlet 17 be connected, the second valve 20 is installed in third connecting tube 19, at the air inlet 8 of pressurized tank 2 pacify
Equipped with the 6th valve 31, the 4th water inlet 21 and the 4th water outlet 22 are respectively arranged on the water tank 4, water tank 4
4th water inlet 21 is connected by the 4th connecting tube 23 with the first water outlet 12 of reverse osmosis host 1, in the 4th connecting tube 23
On third valve 24 is installed, the 4th connecting tube between reverse osmosis 1 first water outlet 12 of host and third valve 24
It is provided with wastewater drainage pipe 27 on 23, the 5th valve 28, the 4th water outlet of the water tank 4 are installed on wastewater drainage pipe 27
Mouth 22 is connected by the 5th connecting tube 25 with the water inlet 7 of water pump 5, is equipped with the 4th valve 26 in the 5th connecting tube 25.
This system will need the raw water purified to be connected by main water inlet tube 29 with the water inlet 7 of water pump 5 at work, this
System first closes the second valve 20, third valve 24, the 4th valve 26 and the 5th valve 28 when carrying out reverse osmosis purified water work
It closes, the first valve 15 and the 6th valve 31 is opened, pumped by 5 pairs of raw waters purified of water pump, make raw water
By the reverse osmosis membrane 30 of reverse osmosis host 1, purification is filtered to raw water, the raw water after filtration, purification enters in pressurized tank 2,
After the water in pressurized tank 2 is full of, the 6th valve 31 is closed, the second valve 20 is opened, the water in pressurized tank 2 is flowed into and lives
Property carbon filter 3 in, by active carbon filter 3 filter after, be made pure water.After this system stops reverse osmosis purified water work,
The first valve 15 and the second valve 20 are closed, third valve 24 and the 6th valve 31 are opened, through air inlet 8 into pressurized tank 2
Be passed through high pressure gas, the water in pressurized tank 2 since pressure acts on, through reverse osmosis host 1 reverse osmosis membrane 30 to concentrated water effluent
Out, after rinsing, salinity substantially reduces the water of 30 concentrated water side of reverse osmosis membrane, until it is suitable or slightly higher with water side concentration is produced,
Since 30 two sides salinity of reverse osmosis membrane is very low, salt penetration phenomenon can be effectively prevented.It is demonstrated experimentally that without this system
When, after stopping reverse osmosis purified water working 24 hours, the initial TDS that is discharged instantaneously is up to 150ppm(water inlet 130ppm), use this
After system, concentrated water side TDS is initially discharged TDS after being reduced to 20ppm hereinafter, stopping reverse osmosis purified water work 24 hours and is maintained at
30ppm or less.Water tank 4 is used to receive the waste water of reverse osmosis 1 concentrated water side of host discharge, works in reverse osmosis purified water next time
When, the 4th valve 26 is opened, the water in water tank 4 can enter reverse osmosis host 1 by the suction of water pump 5, output pure water, therefore
Can anti-locking system discharge of wastewater, improve water purification efficiency.All parts according to the present invention are the common part of this field,
Its structure is well known for ordinary skill in the art, and directly can commercially be obtained.
Claims (6)
1. reverse osmosis back-purge system, it is characterised in that: it includes reverse osmosis host, pressurized tank, active carbon filter and water
Pump, the pressurized tank is connected with the production water side of reverse osmosis host and active carbon filter respectively, the water outlet of the water pump with
The concentrated water side of reverse osmosis host is connected.
2. reverse osmosis back-purge system according to claim 1, it is characterised in that: it further includes having water tank, the storage
Water pot is connected with the concentrated water side of the water inlet of water pump and reverse osmosis host respectively.
3. reverse osmosis back-purge system according to claim 2, it is characterised in that: be respectively arranged on the pressurized tank
Air inlet, the first communication port and the second communication port, the concentrated water side of the reverse osmosis host be respectively arranged with the first water inlet and
First water outlet is provided with the second water outlet, the first water inlet and water pump of reverse osmosis host in the production water side of reverse osmosis host
Water outlet be connected, the second water outlet of reverse osmosis host is connected with the first communication port of pressurized tank, in the active carbon
It is respectively arranged with third water inlet and pure water outlet on filter, the of the second communication port of pressurized tank and active carbon filter
Three water inlets are connected, and are respectively arranged with the 4th water inlet and the 4th water outlet on the water tank, water tank the 4th into
The mouth of a river is connected with the first water outlet of reverse osmosis host, and the 4th water outlet of water tank is connected with the water inlet of water pump.
4. reverse osmosis back-purge system according to claim 3, it is characterised in that: the first water inlet of the reverse osmosis host
Mouth is connected by the first connecting tube with the water outlet of water pump, and the second water outlet of the reverse osmosis host passes through the second connecting tube
It is connected with the first communication port of pressurized tank, the second communication port of the pressurized tank passes through third connecting tube and active carbon filter
Third water inlet be connected, the first water outlet that the 4th water inlet of the water tank passes through the 4th connecting tube and reverse osmosis host
Mouth is connected, and the 4th water outlet of the water tank is connected by the 5th connecting tube with the water inlet of water pump.
5. reverse osmosis back-purge system according to claim 4, it is characterised in that: be equipped in first connecting tube
First valve is equipped with the second valve in the third connecting tube, the 6th valve is equipped at the air inlet of the pressurized tank
Door, is equipped with third valve in the 4th connecting tube, is equipped with the 4th valve in the 5th connecting tube.
6. reverse osmosis back-purge system according to claim 5, it is characterised in that: be discharged in the reverse osmosis host first
It is provided with wastewater drainage pipe in the 4th connecting tube between mouth and third valve, the 5th valve is installed on wastewater drainage pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601876.6A CN109467207A (en) | 2018-12-26 | 2018-12-26 | Reverse osmosis back-purge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601876.6A CN109467207A (en) | 2018-12-26 | 2018-12-26 | Reverse osmosis back-purge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109467207A true CN109467207A (en) | 2019-03-15 |
Family
ID=65677321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811601876.6A Pending CN109467207A (en) | 2018-12-26 | 2018-12-26 | Reverse osmosis back-purge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109467207A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115758A (en) * | 2019-12-31 | 2020-05-08 | 佛山市云米电器科技有限公司 | Water filtering system with reverse osmosis backwashing device, method and water purifier |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205241379U (en) * | 2015-12-08 | 2016-05-18 | 合肥九源环境科技有限公司 | Concentrated water recycle's purifier |
| CN205398178U (en) * | 2016-03-01 | 2016-07-27 | 李秀 | Automatic positive back flush ultrafiltration reverse osmosis water purification system with water storage diaphragm overhead tank |
| CN206985786U (en) * | 2017-06-26 | 2018-02-09 | 江苏省冶金设计院有限公司 | The water purifier of function is recycled with reverse osmosis concentrated water |
-
2018
- 2018-12-26 CN CN201811601876.6A patent/CN109467207A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205241379U (en) * | 2015-12-08 | 2016-05-18 | 合肥九源环境科技有限公司 | Concentrated water recycle's purifier |
| CN205398178U (en) * | 2016-03-01 | 2016-07-27 | 李秀 | Automatic positive back flush ultrafiltration reverse osmosis water purification system with water storage diaphragm overhead tank |
| CN206985786U (en) * | 2017-06-26 | 2018-02-09 | 江苏省冶金设计院有限公司 | The water purifier of function is recycled with reverse osmosis concentrated water |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115758A (en) * | 2019-12-31 | 2020-05-08 | 佛山市云米电器科技有限公司 | Water filtering system with reverse osmosis backwashing device, method and water purifier |
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Application publication date: 20190315 |
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