CN105642118B - It is a kind of for the automatic backwash water purification system of backwashing water purification apparatus and its purging method - Google Patents
It is a kind of for the automatic backwash water purification system of backwashing water purification apparatus and its purging method Download PDFInfo
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- CN105642118B CN105642118B CN201610106714.XA CN201610106714A CN105642118B CN 105642118 B CN105642118 B CN 105642118B CN 201610106714 A CN201610106714 A CN 201610106714A CN 105642118 B CN105642118 B CN 105642118B
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- 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
- B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
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- 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
- B01D61/08—Apparatus therefor
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- 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
- B01D61/12—Controlling or regulating
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- 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
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- 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
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- 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
- B01D2321/02—Forward flushing
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- 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
- C02F2209/44—Time
- C02F2209/445—Filter life
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- 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
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Abstract
The invention discloses a kind of automatic backwash water purification systems for backwashing water purification apparatus, belong to water-treatment technology field, including water inlet system, drainage, outlet system and control system, water inlet system includes first flowmeter, the first inlet water solenoid valve, CTO filter flask and booster pump, outlet system includes the first non-return valve, second flowmeter and the second non-return valve, control system includes the second high-voltage switch gear, the first high-voltage switch gear and tap, and drainage includes third inlet water solenoid valve and waste water controller；The present invention also provides the purging methods of the system, include the following steps: step 1: carrying out hydrodynamic(al) processed and make；Step 2: forward direction rinses RO filter flask；Step 3: pressure is supplemented to channel；Step 4: back flush pretreatment filter；Step 5: thoroughly removing impurity.The present invention backwashes pretreatment filter using water purifier pressure itself, can wash away the impurity for being trapped in pretreatment filter surface, reach self-cleaning function.
Description
Technical field
The present invention relates to a kind of flushing water purification systems for backwashing water purification apparatus, more particularly to one kind for backwashing
The automatic backwash water purification system of water purifier and its purging method, belong to water-treatment technology field, are related to water filtering and Water warfare
Technology.
Background technique
Household water filter filtration system is divided into coarse filtration system and smart filtration system, in order to obtain longer service life,
In due course pre-washing function must be set to filter cores at different levels, be generally divided into positive rinse and two kinds of back flush.Such as the figure of Figure of description
Just to rinse schematic diagram, Fig. 1 C existing for filter membrane in the prior art with schematic diagram, Figure 1B is discharged for filter membrane water inlet in the prior art by 1A
In technology shown in filter membrane backwash schematic diagram, it is to carry out surface washing to filter membrane water inlet side with water that forward direction, which is rinsed,；It is positive
Rinse water route design simply, cost is relatively low for control, but it is extremely low to remove film surface trapped substance efficiency；Back flush is with water to filtering
Film is inversely rinsed from water outlet side, and removal film surface trapped substance is very thorough, but water route design is complex, must other addition
Power-equipment and control element, cost of implementation are higher.As stated above: household water filter removes RO film in smart filtration system and sets at this stage
Outside in respect of positive pre-washing function, remaining filter core is not designed with pre-washing function substantially.
Currently, water purifier in the market, in addition to the design of RO membrane filter has positive pre-washing function, remaining filter core, which is substantially all, not to be had
Pre-washing function is set, let alone only really can effectively extend the backwashing function of filter element life, as a result, coarse filtration system
System can only use the biggish PP cotton filter element of pore size filter or other filter cores, cannot thoroughly intercept to particulate material in water, smart mistake
RO film or NF film in filter system cannot get effective protection；If coarse filtration system is using degree of precision such as UF filter core as pre- place
Element is managed, then cannot can be removed in due course because of the impurity being retained down, it is easier to generate dirty stifled, the two keeps away that its is heavy, final to select
The lower PP cotton of filtering accuracy is selected as pretreatment filter (totle drilling cost frequently replaced is relatively low), direct result is exactly pre-
Processing filter core needs to frequently replace, and smart filtration system filter element life can also terminate in advance.
Summary of the invention
The main object of the present invention is to solve to rinse the above problem existing for water purification system at present, and providing one kind can
Pretreatment filter is backwashed using the pressure of water purifier Spontaneous release when standby, can will be trapped in pretreatment filter
The impurity on surface is washed away from irrigation channel, reaches filter cores at different levels and all has the automatic for backwashing water purification apparatus of self-cleaning function
Backwash water purification system.
The purpose of the present invention can reach by using following technical solution:
A kind of automatic backwash water purification system for backwashing water purification apparatus, including water inlet system, drainage, out water system
System and control system；It is connected between the water inlet system and the drainage and the outlet system by water pipe, the control
It is connected between system processed and the outlet system by water pipe, the control system is for controlling automatic backwash water purification system
It opens or closes, RO filter flask is communicated between the water inlet system and the outlet system, the RO filter flask is filtered including the first RO
Bottle and the 2nd RO filter flask；
The water inlet system includes first flowmeter, the first inlet water solenoid valve, CTO filter flask and booster pump, described first-class
It is connected between meter and first inlet water solenoid valve by water pipe, passes through water pipe between the CTO filter flask and the booster pump
Connection, is communicated with pretreatment filter, the pretreatment filter between first inlet water solenoid valve and source water TDS detection sensor
It is connected to by water pipe between the CTO filter flask and first inlet water solenoid valve；
The outlet system includes the first non-return valve, second flowmeter and the second non-return valve, the second flowmeter and institute
It states and is connected between the second non-return valve by water pipe, be with the water inlet between first non-return valve and second non-return valve
System is connected to by water pipe.
As a preferred embodiment, it is connected between the CTO filter flask and the booster pump by water pipe, the CTO filter flask
Water pipe between the booster pump is equipped with a source water TDS detection sensor, the source water TDS detection sensor and the increasing
One second inlet water solenoid valve is communicated with by water pipe between press pump.
As a preferred embodiment, the control system includes the second high-voltage switch gear, the first high-voltage switch gear and tap, institute
It states and is connected between tap and second high-voltage switch gear and first high-voltage switch gear by water pipe, second high-voltage switch gear
It is connected between first non-return valve by water pipe, passes through water pipe between first high-voltage switch gear and second non-return valve
It is connected to, is communicated with a pure water TDS detection sensor on the water pipe between first high-voltage switch gear and second non-return valve.
As a preferred embodiment, the drainage includes third inlet water solenoid valve and waste water controller, the third
It is connected between inlet water solenoid valve and the waste water controller by water pipe, the water outlet of the waste water controller and the first RO
A second solenoid valve, the water pipe between the second solenoid valve and the CTO filter flask and the booster pump are communicated between filter flask
It is communicated with one second inlet water solenoid valve, the outlet end of the waste water controller and the outlet end of the second solenoid valve pass through water pipe
Connection, is communicated with one first solenoid valve by water pipe between the outlet end and the pretreatment filter of the waste water controller.
As a preferred embodiment, it is connected between second inlet water solenoid valve and the 2nd RO filter flask by water pipe,
Second inlet water solenoid valve is also connected between the third inlet water solenoid valve by water pipe, the booster pump with it is described
It is connected between first RO filter flask by water pipe, is connected between the first RO filter flask and the third inlet water solenoid valve by water pipe
It is logical, it is connected between the first RO filter flask and first non-return valve by water pipe, the first RO filter flask and the 2nd RO
It is connected to, is connected between the 2nd RO filter flask and the second flowmeter by water pipe, the pre- place by water pipe between filter flask
It manages filter core and uses high-precision UF membrane filter, the waste water controller is the waste water controller of 1200CC waste water ratio, described first-class
Amount is calculated as 3 shunting meters, and the second flow is calculated as 2 shunting meters.
Another object of the present invention is to provide a kind of such as the above-mentioned automatic backflushing washing water for backwashing water purification apparatus
The purging method of system, includes the following steps:
Step 1: accumulative water purification 20L being calculated by first flowmeter or accumulative obtained pure water is calculated by second flowmeter
5L completes hydrodynamic(al) processed and makees；
Step 2: after completing hydrodynamic(al) work processed, unlatching booster pump forward direction two RO filter flasks of flushing, washing time 30s, and it is complete
The high pressure of pairs of two RO filter flasks fills energy；
Step 3: after forward direction rinses RO filter flask, closing booster pump, open the first inlet water solenoid valve to water pipe, pretreatment filter
Pressure, duration 5s are supplemented with the channel of CTO filter flask；
Step 4: after the completion of accumulation pressure, utilizing the high hydraulic pressure in two RO filter flasks connecting with booster pump, back flush
Pretreatment filter, washing time 15s；
Step 5: after the completion of back flush, using tap water hydraulic, positive wash tub pipe channel thoroughly removes impurity.
As a preferred embodiment, include the following steps: in the step 2 open booster pump, the first inlet water solenoid valve and
Second solenoid valve closes the first solenoid valve, third inlet water solenoid valve and the second inlet water solenoid valve, starts two RO filters of positive flushing
Bottle, washing time 30s, water is by the first inlet water solenoid valve water inlet pipe, after booster pump is pressurized, passes through second solenoid valve battery
Valve passage discharge carries out positive flushing to two RO filter flasks, closes booster pump and above-mentioned all battery valves after continuing 30s, at this time
Hydraulic pressure is higher than running water pressure about 100% in two RO filter flasks.
As a preferred embodiment, include the following steps: to open the first inlet water solenoid valve in the step 3, close pressurization
Pump, the first solenoid valve, third inlet water solenoid valve, the second inlet water solenoid valve and second solenoid valve, duration 5s, water pipe channel store
Power is overstock, step 2 continues 30s, due to the water sorption of booster pump and the characteristic of one-way flow, pretreatment filter and CTO filter flask
Hydraulic pressure be lower than tap water hydraulic, the channel of water pipe, pretreatment filter and CTO filter flask supplement pressure is pressed to tap water
It is flat.
As a preferred embodiment, include the following steps: to open the first solenoid valve and the second water inlet electromagnetism in the step 4
Valve closes booster pump, the first inlet water solenoid valve, third inlet water solenoid valve and second solenoid valve, continues 15s, utilization and booster pump
High hydraulic pressure in two RO filter flasks of connection opens the first solenoid valve.
As a preferred embodiment, include the following steps: to open the first solenoid valve and the first water inlet electromagnetism in the step 5
Valve closes booster pump, third inlet water solenoid valve, the second inlet water solenoid valve and second solenoid valve, continues 10s, utilizes tap water
Pressure, positive wash tub pipe channel thoroughly removes impurity.
Advantageous effects of the invention:
1, a kind of automatic backwash water purification system for backwashing water purification apparatus that the present invention designs, is by existing control
Element is modified the order of connection and control logic, can be using the pressure of water purifier Spontaneous release when standby come to pre- place
Reason filter core is backwashed, and the impurity for being trapped in pretreatment filter surface can be washed away from water pipe channel, be reached filter cores at different levels
And the first RO filter flask, the 2nd RO filter flask all have self-cleaning function, accordingly, it is not necessary to individually designed reflux water route, power source with
And corresponding electric control element.
2, a kind of automatic backwash water purification system for backwashing water purification apparatus that the present invention designs, thus domestic water purifying machine
Measure sufficient pure water well to matter is made, the filter membrane of RO filter flask must reach the pressure of 0.5~0.7MPa, and when machine enter it is standby
When state, this pressure can release naturally from water pipe concentration channels, and the present invention is exactly using in residual water pipe channel of standby moment
Pressure is back to the first RO filter flask, to realize inexpensive backwash, substantially prolongs making for pretreatment system filter cores at different levels
With the service life, pretreatment filter uses high-precision UF membrane filter, so that the RO of complete machine heart RO filter flask more reliably be protected to filter
Film, while space is saved, realize the miniaturization of backwashing water purification apparatus.
Detailed description of the invention
Figure 1A is present invention filter membrane water inlet and water outlet schematic diagram in the prior art；
Figure 1B is that filter membrane just rinses schematic diagram to the present invention in the prior art；
Fig. 1 C is that filter membrane backwashes schematic diagram to the present invention in the prior art；
Fig. 2 is automatic backwash water purification system overall schematic of the present invention.
In figure: 1- first flowmeter, the first inlet water solenoid valve of 2-, 3- pretreatment filter, the first solenoid valve of 4-, 5-CTO filter
Bottle, the source 6- water TDS detection sensor, the second inlet water solenoid valve of 7-, 8- booster pump, the first RO filter flask of 9-, 10- third water inlet electromagnetism
Valve, 11- waste water controller, the 2nd RO filter flask of 12-, the first non-return valve of 13-, the second high-voltage switch gear of 14-, 15- second solenoid valve,
16- second flowmeter, the second non-return valve of 17-, 18- pure water TDS detection sensor, the first high-voltage switch gear of 19-, 20- tap,
21- water pipe.
Specific embodiment
To make the more clear and clear technical solution of the present invention of those skilled in the art, below with reference to examples and drawings
The present invention is described in further detail, and embodiments of the present invention are not limited thereto.
As shown in Fig. 2, a kind of automatic backwash water purification system for backwashing water purification apparatus, including water inlet system, blowdown
System, outlet system and control system；Pass through water pipe between the water inlet system and the drainage and the outlet system
21 connections, are connected between the control system and the outlet system by water pipe 21, and the control system is automatic for controlling
Opening or closing for backwash water purification system, is communicated with RO filter flask, the RO between the water inlet system and the outlet system
Filter flask includes the first RO filter flask 9 and the 2nd RO filter flask 12；The water inlet system includes first flowmeter 1, the first inlet water solenoid valve
2, CTO filter flask 5 and booster pump 8 are connected between the first flowmeter 1 and first inlet water solenoid valve 2 by water pipe 21, institute
It states and is connected between CTO filter flask 5 and the booster pump 8 by water pipe 21, the first inlet water solenoid valve 2 and source water TDS detection passes
Pretreatment filter 3, the pretreatment filter 3 and the CTO filter flask 5 and first inlet water solenoid valve 2 are communicated between sensor 6
Between be connected to by water pipe 21；The outlet system includes the first non-return valve 13, second flowmeter 16 and the second non-return valve 17,
It is connected between the second flowmeter 16 and second non-return valve 17 by water pipe 21, first non-return valve 13 and described the
It is connected to the water inlet system by water pipe 21 between two non-return valves 17.
As shown in Fig. 2, a kind of preferred embodiment as the present embodiment, leads between the CTO filter flask 5 and the booster pump 8
The connection of water pipe 21 is crossed, the water pipe 21 between the CTO filter flask 5 and the booster pump 8 is equipped with a source water TDS detection sensor 6,
One second inlet water solenoid valve 7 is communicated with by water pipe 21 between the source water TDS detection sensor 6 and the booster pump 8.
As shown in Fig. 2, a kind of preferred embodiment as the present embodiment, the control system include the second high-voltage switch gear 14,
First high-voltage switch gear 19 and tap 20, the tap 20 and second high-voltage switch gear 14 and first high-voltage switch gear 19
Between be connected to by water pipe 21, be connected between second high-voltage switch gear 14 and first non-return valve 13 by water pipe 21, institute
State and be connected between the first high-voltage switch gear 19 and second non-return valve 17 by water pipe 21, first high-voltage switch gear 19 with it is described
A pure water TDS detection sensor 18 is communicated on water pipe 21 between second non-return valve 17.
As shown in Fig. 2, a kind of preferred embodiment as the present embodiment, the drainage includes third inlet water solenoid valve 10
With waste water controller 11, it is connected between the third inlet water solenoid valve 10 and the waste water controller 11 by water pipe 21, it is described
A second solenoid valve 15, the second solenoid valve are communicated between the water outlet of waste water controller 11 and the first RO filter flask 9
Water pipe 21 between 15 and the CTO filter flask 5 and the booster pump 8 is communicated with one second inlet water solenoid valve 7, the waste water control
The outlet end of device 11 is connected to the outlet end of the second solenoid valve 15 by water pipe 21, the outlet end of the waste water controller 11
One first solenoid valve 4 is communicated with by water pipe 21 between the pretreatment filter 3.
As shown in Fig. 2, a kind of preferred embodiment as the present embodiment, the second inlet water solenoid valve 7 and the 2nd RO
It is connected between filter flask 12 by water pipe 21, second inlet water solenoid valve 7 is also between the third inlet water solenoid valve 10
It is connected to, is connected between the booster pump 8 and the first RO filter flask 9 by water pipe 21, the first RO filter flask 9 by water pipe 21
Be connected between the third inlet water solenoid valve 10 by water pipe 21, the first RO filter flask 9 and first non-return valve 13 it
Between be connected to by water pipe 21, be connected between the first RO filter flask 9 and the 2nd RO filter flask 12 by water pipe 21, described second
It is connected between RO filter flask 12 and the second flowmeter 16 by water pipe 21.
As shown in Fig. 2, a kind of preferred embodiment as the present embodiment, the pretreatment filter 3 uses high-precision UF membrane filtration
Core, the waste water controller 11 are the waste water controller of 1200CC waste water ratio, and the first flowmeter 1 is 3 shunting meters, described
Second flowmeter 16 is 2 shunting meters.
There is provided a kind of as the above-mentioned automatic backflushing for backwashing water purification apparatus is cleaned for another purpose of the present embodiment
The purging method of water system, includes the following steps:
Step 1: accumulative water purification 20L being calculated by first flowmeter 1 or is made pure by the way that the calculating of second flowmeter 16 is accumulative
Water 5L completes hydrodynamic(al) processed and makees；
Step 2: after completing hydrodynamic(al) work processed, opening the two RO filter flasks 9 and 12 of positive flushing of booster pump 8, washing time is
30s, and complete to fill energy to the high pressure of two RO filter flasks 9 and 12；
Step 3: after forward direction rinses RO filter flask, closing booster pump 8, open the first inlet water solenoid valve 2 to water pipe 21, pretreatment
The channel of filter core 3 and CTO filter flask 5 supplements pressure, duration 5s；
Step 4: after the completion of accumulation pressure, using the high hydraulic pressure in two RO filter flasks 9 and 12 being connect with booster pump 8, instead
To flushing pretreatment filter 3, washing time 15s；
Step 5: after the completion of back flush, using tap water hydraulic, positive 21 channel of wash tub pipe thoroughly removes impurity.
As shown in Fig. 2, a kind of preferred embodiment as the present embodiment, include the following steps: to open pressurization in the step 2
The 8, first inlet water solenoid valve 2 and second solenoid valve 15 are pumped, the first solenoid valve 4, third inlet water solenoid valve 10 and the second water inlet are closed
Solenoid valve 7 starts two RO filter flasks 9 and 12 of positive flushing, and washing time 30s, water is by 2 water inlet pipe of the first inlet water solenoid valve
21, it after the pressurization of booster pump 8, is discharged, two RO filter flasks 9 and 12 is carried out positive by 15 battery valve passage of second solenoid valve
It rinses, closes booster pump 8 and above-mentioned all battery valves after continuing 30s, hydraulic pressure is higher than tap water in two RO filter flasks 9 and 12 at this time
Pressure about 100%.
As shown in Fig. 2, a kind of preferred embodiment as the present embodiment, include the following steps: unlatching first in the step 3
Inlet water solenoid valve 2 closes booster pump 8, the first solenoid valve 4, third inlet water solenoid valve 10, the second inlet water solenoid valve 7 and the second electricity
Pressure is accumulated in magnet valve 15, duration 5s, 21 channel of water pipe, and step 2 continues 30s, due to the water sorption and unidirectionally of booster pump 8
The hydraulic pressure of the characteristic of flowing, pretreatment filter 3 and CTO filter flask 5 is lower than tap water hydraulic, opens the first inlet water solenoid valve 2 at this time,
Maintain an equal level to the channel supplement pressure of water pipe 21, pretreatment filter 3 and CTO filter flask 5 to tap water hydraulic.
As shown in Fig. 2, a kind of preferred embodiment as the present embodiment, include the following steps: unlatching first in the step 4
Solenoid valve 4 and the second inlet water solenoid valve 7 close booster pump 8, the first inlet water solenoid valve 2, third inlet water solenoid valve 10 and the second electricity
Magnet valve 15 continues 15s, utilizes the high hydraulic pressure in two RO filter flasks 9 and 12 connecting with booster pump 8, back flush pretreatment filter
Core 3 opens the first solenoid valve 4.
As shown in Fig. 2, a kind of preferred embodiment as the present embodiment, include the following steps: unlatching first in the step 5
Solenoid valve 4 and the first inlet water solenoid valve 2 close booster pump 8, third inlet water solenoid valve 10, the second inlet water solenoid valve 7 and the second electricity
Magnet valve 15 continues 10s, and using tap water hydraulic, positive 21 channel of wash tub pipe thoroughly removes impurity.
In conclusion a kind of automatic backwash water purification system for backwashing water purification apparatus that the present invention designs, be by
Existing control element, is modified the order of connection and control logic, can utilize the pressure of water purifier Spontaneous release when standby
Pretreatment filter is backwashed, the impurity for being trapped in pretreatment filter surface can be washed away from water pipe channel, reach
Filter cores at different levels and the first RO filter flask, the 2nd RO filter flask all have self-cleaning function, accordingly, it is not necessary to individually designed reflux water route,
Power source and corresponding electric control element.
A kind of automatic backwash water purification system for backwashing water purification apparatus that the present invention designs, thus household pure water is confidential
Want that matter, which is made, measures well sufficient pure water, the filter membrane of RO filter flask must reach the pressure of 0.5~0.7MPa, and when machine enters standby shape
When state, this pressure can release naturally from water pipe concentration channels, and the present invention is exactly to utilize the pressure in residual water pipe channel of standby moment
Power is back to the first RO filter flask, to realize inexpensive backwash, substantially prolongs the use of pretreatment system filter cores at different levels
In the service life, pretreatment filter uses high-precision UF membrane filter, so that the RO filter membrane of complete machine heart RO filter flask is more reliably protected,
Space is saved simultaneously, realizes the miniaturization of backwashing water purification apparatus.
The above, the only preferred embodiment of the invention, but scope of protection of the present invention is not limited thereto, it is any ripe
Know those skilled in the art within the scope of the present disclosure, according to the technique and scheme of the present invention and its design is subject to
Equivalent substitution or change belongs to protection scope of the present invention.
Claims (5)
1. a kind of automatic backwash water purification system for backwashing water purification apparatus, it is characterised in that: including water inlet system, blowdown system
System, outlet system and control system；Pass through water pipe between the water inlet system and the drainage and the outlet system
(21) it is connected to, is connected between the control system and the outlet system by water pipe (21), the control system is for controlling
Automatic backwash water purification system opens or closes, and RO filter flask, institute are communicated between the water inlet system and the outlet system
Stating RO filter flask includes the first RO filter flask (9) and the 2nd RO filter flask (12)；
The water inlet system includes first flowmeter (1), the first inlet water solenoid valve (2), CTO filter flask (5) and booster pump (8), institute
It states and is connected between first flowmeter (1) and first inlet water solenoid valve (2) by water pipe (21), the CTO filter flask (5) and institute
State and be connected between booster pump (8) by water pipe (21), first inlet water solenoid valve (2) and source water TDS detection sensor (6) it
Between be communicated with pretreatment filter (3), the pretreatment filter (3) and the CTO filter flask (5) and first inlet water solenoid valve
(2) it is connected to by water pipe (21) between；The outlet system includes the first non-return valve (13), second flowmeter (16) and second
Non-return valve (17) is connected between the second flowmeter (16) and second non-return valve (17) by water pipe (21), and described the
It is connected to the water inlet system by water pipe (21) between one non-return valve (13) and second non-return valve (17)；For recoiling
The purging method for cleaning the automatic backwash water purification system of hydrophone, includes the following steps:
Step 1: accumulative water purification 20L being calculated by first flowmeter (1) or is made pure by the way that second flowmeter (16) calculating is accumulative
Water 5L completes hydrodynamic(al) processed and makees；
Step 2: after completing hydrodynamic(al) work processed, opening two RO filter flasks (9 and 12) of booster pump (8) positive flushing, washing time is
30s, and complete to fill energy to the high pressure of two RO filter flasks (9 and 12)；
Step 3: after forward direction rinses RO filter flask, closing booster pump (8), open the first inlet water solenoid valve (2) to water pipe (21), pre- place
The channel for managing filter core (3) and CTO filter flask (5) supplements pressure, duration 5s；
Step 4: after the completion of accumulation pressure, using the high hydraulic pressure in the two RO filter flasks (9 and 12) being connect with booster pump (8), instead
To flushing pretreatment filter (3), washing time 15s；
Step 5: after the completion of back flush, using tap water hydraulic, positive wash tub pipe (21) channel thoroughly removes impurity；
Include the following steps: to open booster pump (8), the first inlet water solenoid valve (2) and second solenoid valve (15) in the step 2,
The first solenoid valve (4), third inlet water solenoid valve (10) and the second inlet water solenoid valve (7) are closed, two RO filters of positive flushing are started
Bottle (9 and 12), washing time 30s, water is by the first inlet water solenoid valve (2) water inlet pipe (21), after booster pump (8) pressurization,
It is discharged by second solenoid valve (15) battery valve passage, positive flushing is carried out to two RO filter flasks (9 and 12), is closed after continuing 30s
Booster pump (8) and above-mentioned all battery valves are closed, two interior hydraulic pressure of RO filter flask (9 and 12) are higher than running water pressure about 100% at this time；
Include the following steps: to open the first inlet water solenoid valve (2) in the step 3, closes booster pump (8), the first solenoid valve (4), the
Three inlet water solenoid valves (10), the second inlet water solenoid valve (7) and second solenoid valve (15), duration 5s, water pipe (21) channel store
Overstock power, step 2 continues 30s, due to the water sorption of booster pump (8) and the characteristic of one-way flow, pretreatment filter (3) and
The hydraulic pressure of CTO filter flask (5) is lower than tap water hydraulic, opens the first inlet water solenoid valve (2) at this time, filters to water pipe (21), pretreatment
The channel of core (3) and CTO filter flask (5) supplements pressure and maintains an equal level to tap water hydraulic；Include the following steps: out in the step 4
The first solenoid valve (4) and the second inlet water solenoid valve (7) are opened, booster pump (8), the first inlet water solenoid valve (2), third water inlet electricity are closed
Magnet valve (10) and second solenoid valve (15) continue 15s, utilize the height in the two RO filter flasks (9 and 12) connecting with booster pump (8)
Hydraulic pressure, back flush pretreatment filter (3) are opened the first solenoid valve (4)；Include the following steps: unlatching first in the step 5
Solenoid valve (4) and the first inlet water solenoid valve (2) close booster pump (8), third inlet water solenoid valve (10), the second inlet water solenoid valve
(7) and second solenoid valve (15), continue 10s, using tap water hydraulic, positive wash tub pipe (21) channel thoroughly removes impurity.
2. a kind of automatic backwash water purification system for backwashing water purification apparatus according to claim 1, it is characterised in that:
It is connected between the CTO filter flask (5) and the booster pump (8) by water pipe (21), the CTO filter flask (5) and the booster pump
(8) water pipe (21) between is equipped with a source water TDS detection sensor (6), the source water TDS detection sensor (6) with it is described
One second inlet water solenoid valve (7) is communicated with by water pipe (21) between booster pump (8).
3. a kind of automatic backwash water purification system for backwashing water purification apparatus according to claim 2, it is characterised in that:
The control system includes the second high-voltage switch gear (14), the first high-voltage switch gear (19) and tap (20), the tap (20)
It is connected between second high-voltage switch gear (14) and first high-voltage switch gear (19) by water pipe (21), second high pressure
It is connected between switch (14) and first non-return valve (13) by water pipe (21), first high-voltage switch gear (19) and described the
It is connected between two non-return valves (17) by water pipe (21), between first high-voltage switch gear (19) and second non-return valve (17)
Water pipe (21) on be communicated with a pure water TDS detection sensor (18).
4. a kind of automatic backwash water purification system for backwashing water purification apparatus according to claim 3, it is characterised in that:
The drainage includes third inlet water solenoid valve (10) and waste water controller (11), the third inlet water solenoid valve (10) and institute
It states and is connected between waste water controller (11) by water pipe (21), the water outlet of the waste water controller (11) and the first RO are filtered
It is communicated with a second solenoid valve (15) between bottle (9), the second solenoid valve (15) and the CTO filter flask (5) and the pressurization
Water pipe (21) between pump (8) is communicated with one second inlet water solenoid valve (7), the outlet end of the waste water controller (11) with it is described
The outlet end of second solenoid valve (15) is connected to by water pipe (21), the outlet end of the waste water controller (11) and the pretreatment
One first solenoid valve (4) is communicated with by water pipe (21) between filter core (3).
5. a kind of automatic backwash water purification system for backwashing water purification apparatus according to claim 4, it is characterised in that:
Be connected between second inlet water solenoid valve (7) and the 2nd RO filter flask (12) by water pipe (21), described second into
Water solenoid valve (7) is connected to also between the third inlet water solenoid valve (10) by water pipe (21), the booster pump (8) with it is described
Be connected between first RO filter flask (9) by water pipe (21), the first RO filter flask (9) and the third inlet water solenoid valve (10) it
Between by water pipe (21) be connected to, between the first RO filter flask (9) and first non-return valve (13) pass through water pipe (21) be connected to,
It is connected between the first RO filter flask (9) and the 2nd RO filter flask (12) by water pipe (21), the 2nd RO filter flask (12)
It being connected between the second flowmeter (16) by water pipe (21), the pretreatment filter (3) uses high-precision UF membrane filter,
The waste water controller (11) is the waste water controller of 1200CC waste water ratio, and the first flowmeter (1) is 3 shunting meters, institute
Stating second flowmeter (16) is 2 shunting meters.
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| CN201510936507 | 2015-12-16 |
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| CN108793324B (en) * | 2017-04-27 | 2023-09-01 | 佛山市顺德区美的饮水机制造有限公司 | water purification system |
| CN107272533A (en) * | 2017-07-06 | 2017-10-20 | 沁园集团股份有限公司 | Mechanical switch coordinates the water treatment facilities and its method of work of intelligent control TDS values |
| CN107694344A (en) * | 2017-10-18 | 2018-02-16 | 深圳市诚荣五金塑胶制品有限公司 | Double filter core forward direction drainage, back flush system and application methods for water purifier |
| CN108341543A (en) * | 2018-03-01 | 2018-07-31 | 北京自由华程环保技术有限公司 | A kind of water purification system and its application method |
| CN116282672A (en) * | 2023-02-16 | 2023-06-23 | 深圳市康心源智能设备有限公司 | Water purifier system for calculating flow by utilizing water pressure and calculating method |
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