Postposition bubble film water purification system
Technical Field
The utility model relates to a water filtration technology field, concretely relates to rearmounted bubble membrane water purification system.
Background
At present, the normal nominal models such as 400G, 500G, 600G of current domestic big flux RO/NF water purification machine, because reverse osmosis and the used core member of nanofiltration water purification are the pellicle, when the water purifier standby, the TDS value of the water that stops in the former water side is higher than the TDS value that stops in the water of pure water side, make in the water of the easy infiltration of salt of the water of former water side to the water of pure water side, finally can make the water salt concentration of the former water side of pellicle and pure water side both sides unanimous basically. Therefore, when the water purifier is in standby for a period of time, the TDS value of the first cup of water taken by a user is high, and the water quality cannot meet the filtering requirement. In order to reduce the water salinity of both sides of the RO membrane/NF membrane of the water purifier in a standby state, the existing reverse osmosis and nanofiltration water purifier uses the pure water stored in the water purifier to flush the raw water side of the RO membrane/NF membrane, and discharges the water after flushing the membrane, so as to reduce the water salinity of the raw water side of the RO membrane/NF membrane, and further prolong the service life of the RO membrane/NF membrane, and the process needs to use the pure water to flush the reverse osmosis membrane.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a rear bubble membrane water purification system.
The post-positioned bubble membrane water purification system comprises a reverse osmosis filter part and a post-positioned filter part, wherein a filter element structure capable of storing pure water is applied to the post-positioned filter part, the filter element structure comprises a filter flask, and the filter flask is provided with a first water inlet, a first water outlet and a water storage inlet and outlet; a soft water tank body is arranged in the filter bottle, and a filter element assembly is arranged in the soft water tank body; a water inlet end of the filter element assembly is communicated with the first water inlet to form a first water inlet flow channel, a water outlet end of the filter element assembly is communicated with the first water outlet to form a first water outlet flow channel, and a water storage flow channel communicated with the water storage inlet and outlet is formed between the outer side of the soft water tank body and the inner side of the filter bottle; the reverse osmosis filtering part comprises a purified water inlet, a purified water outlet and a concentrated water outlet which are used for introducing a water source;
the water flow flows to the water storage inlet and outlet to form a water storage extrusion flow passage;
the water flow flows along the pure water outlet and the first water inlet to form a pure water filtering flow passage;
and water flows along the first water inlet and the purified water inlet to form a pure water bubble film flow channel.
The water storage device is characterized by further comprising a front-mounted filter part, wherein the front-mounted filter part comprises a raw water inlet and a purified water outlet, under the pressure of a water source, water flows along the raw water inlet and enters the front-mounted filter part to be filtered, and the water flows are guided out of the water storage inlet and the water storage outlet through the purified water outlet to form the water storage extrusion flow channel.
Accordingly, an external water source can be introduced to flow to the water inlet and outlet position so as to extrude the soft water tank body; or the raw water source correspondingly connected to the water purification system directly flows to the position of the water storage inlet and outlet so as to extrude the soft water tank body; or the raw water source is filtered by the pre-filter part, and the output purified water flows to the position of the water storage inlet and outlet so as to extrude the soft water tank body; the water storage extrusion mode is various.
Furthermore, a pressure reducing valve is arranged at the water inlet end of the front filtering part.
Furthermore, a first post-control valve is arranged in the purified water filtering flow passage; and a pressurizing assembly is arranged between the first rear control valve and the purified water inlet, and the pressurizing assembly is used as a pressurizing pump.
Furthermore, a first rear check valve used for limiting water flow to flow towards the purified water inlet is arranged in the purified water bubble film flow channel.
Furthermore, a second rear check valve and a high-pressure switch for detecting the pressure of the pipeline are arranged at the downstream position of the first water outlet.
Further, a concentrated water valve is arranged at the downstream position of the concentrated water outlet.
Furthermore, the filter bottle comprises a hard bottle body, a filter cover part is arranged on the hard bottle body, and the filter cover part is provided with the water storage inlet and outlet; the soft water tank body is connected with the filter cover part, and the water storage flow channel is formed on the outer side of the soft water tank body and the inner side of the hard bottle body.
Furthermore, the filter element assembly is cylindrical, and a first water inlet flow channel communicated with the first water inlet is formed at the water inlet end outside the filter element assembly and the inner side of the soft water tank body; the water outlet end on the inner side of the filter element component is communicated with the first water outlet to form the first water outlet flow channel.
Further, the soft water tank body is made of silica gel or nylon.
The beneficial effects of the utility model reside in that:
the TDS value of the first cup of water restarted after the water purification system is in standby can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of a filter element structure capable of storing pure water according to the present invention;
fig. 2 is a schematic combination diagram of a front-mounted bubble membrane water purification system according to embodiment 1 of the present invention;
fig. 3 is a schematic combination diagram of a rear bubble membrane water purification system according to embodiment 2 of the present invention;
description of reference numerals:
a filter flask 1, a first water inlet 11, a first water outlet 12, a water inlet and outlet 13, a soft water tank 14, a filter element assembly 15, a hard flask body 16, a filter cover part 17,
A pre-filter part 2, a first pre-control valve 21, a second pre-control valve 22, a first pre-check valve 23, a second pre-check valve 24,
A reverse osmosis filter part 3, a purified water inlet 31, a purified water outlet 32, a concentrated water outlet 33,
A pressurizing assembly 4,
A post-filter part 5, a first post-control valve 51, a first post-check valve 52, a second post-check valve 25,
A concentrate valve 6, a high-pressure switch 7 and a pressure reducing valve 8.
Detailed Description
In order to make the technical solution, objects and advantages of the present invention more clearly understood, the present invention is further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1, the filter element structure for storing pure water of the present invention comprises a filter bottle 1, wherein the filter bottle 1 comprises a hard bottle body 16, a filter cover portion 17 is disposed at an upper end of the hard bottle body 16, and a first water inlet 11, a first water outlet 12 and a water inlet and outlet 13 are disposed at the position of the filter cover portion 17; a soft water tank 14 is arranged in the filter bottle 1, the soft water tank 14 is connected with the filter cover part 17, and a filter element assembly 15 is arranged in the soft water tank 14.
The filter element assembly 15 is cylindrical, and a first water inlet flow channel communicated with the first water inlet 11 is formed at the water inlet end of the outer side of the filter element assembly 15 and the inner side of the soft water tank 14; the water outlet end at the inner side of the filter element component 15 is communicated with the first water outlet 12 to form a first water outlet flow channel; a water flow passage is formed between the outer side of the soft water tank 14 and the inner side of the hard bottle 16.
The soft water tank 14 is made of silica gel or nylon, and the hard bottle 16 is made of hard plastic.
The filter element structure is applied by matching the soft water tank 14 and the hard bottles 16, when a water source is stored in the water storage channel, another water source enters the soft water tank 14 to be filtered by the filter element assembly 15, and the soft water tank 14 can be effectively extruded towards the hard bottles 16 on the outer side under the action of force, so that the stored water source of the water storage channel flows out from the water storage inlet and outlet 13.
And when external water source follow water inlet and outlet 13 gets into in the filter flask 1, under the effect of power, this soft water tank 14 takes place elastic deformation, then can carry out the extrusion towards inboard position to soft water tank 14 effectively to can be with through the filterable water source of filter element group spare 15 flows backward and gushes out by the first water inlet 11 that corresponds or can be correspondingly to carrying out the pressure boost to the water source that gets into by first water inlet 11 and have corresponding first delivery port 12 to lead out after assisting water source well filter element group spare 15 to filter.
Based on the above-mentioned filter core structure setting that can store the pure water, it will be applicable to corresponding bubble membrane water purification system to this first cup of water TDS value that restarts after can reducing this water purification system standby.
Example 1:
as shown in fig. 2, the embodiment discloses a pre-bubble membrane water purification system, which includes a pre-filter 2, a reverse osmosis filter 3, a post-filter 5, a first pre-control valve 21, a second pre-control valve 22, a first pre-check valve 23, and a pressurizing assembly 4, wherein the pre-filter 2 is the above-mentioned filter core structure capable of storing pure water.
The reverse osmosis filtering part 3 comprises a purified water inlet 31, a purified water outlet 32 and a concentrated water outlet 33; the water flow flows along the first water outlet 12, the first preposed control valve 21, the pressurizing assembly 4 and the purified water inlet 31 to form a purified water filtering flow passage; the water flows along the pure water outlet 32, the second preposed control valve 22 and the water inlet and outlet 13 to form a pure water storage flow passage; the water flows along the water storage inlet and outlet 13, the second preposed control valve 22, the first preposed one-way valve 23 and the purified water inlet 31 to form a pure water bubble film flow passage; the first pre-check valve 23 restricts the flow of water towards the clean water inlet. The water flows along the pure water outlet 32, the second front check valve 24 and the water inlet end of the rear filter part 5 to form a pure water filter flow passage; the second pre-check valve 24 restricts the flow of water towards the post-filter portion 5; the water outlet end of the inlet post-filter part 5 is communicated with the outside.
The first pilot control valve 21 and the second pilot control valve 22 are solenoid valves, and the booster component 4 is a booster pump.
Based on foretell rivers route, the utility model discloses a leading bubble membrane water purification system will have two kinds of operating condition, is pure water system water state and pure water bubble membrane state respectively.
The application principle is as follows:
when pure water system water state, external water source is through the relief pressure valve 8 to leading filter unit 2 water supply, the raw water through first water inlet 11 and by filter element group spare 15 filters, extremely first delivery port 12 is derived there is the water purification, and leading filter unit 2 in this bubble membrane water purification system is applied to this filter element group spare 15, then current conventional material can be adopted to its material, like PP cotton etc. to carry out initial filtration step. Then, the first front control valve 21 is opened, the pressurizing assembly 4 is started, corresponding purified water is driven by the pressurizing assembly 4 to flow to the reverse osmosis filtering part 3 along the purified water filtering flow channel for filtering, the reverse osmosis filtering part 3 is of a corresponding RO membrane filtering structure, and the purified water is filtered by the reverse osmosis filtering part 3 to respectively obtain pure water and concentrated water.
The downstream position of the concentrated water outlet 33 is provided with a concentrated water valve 6, the obtained concentrated water is discharged through the concentrated water outlet 33 under the control of the concentrated water valve 6, the obtained pure water is discharged through a pure water outlet 32, part of the pure water is guided to the post-filter part 5 through the second front one-way valve 24, and the post-filter part 5 is mainly used for improving the taste of the pure water filtered by the reverse osmosis filter part 3. The part of the pure water is controlled by an external control switch to be output to the outside through the water outlet end of the post-filter part 5. The material of the filter material of the post-filter part 5 can adopt the existing conventional design, such as carbon rod and the like. A high-pressure switch 7 is also arranged between the second front check valve 24 and the rear filter part 5 to detect the pipeline pressure.
The second pre-control valve 22 is opened, and another part of the pure water enters the filter element structure capable of storing pure water from the water inlet and outlet 13 through the pure water storage flow passage and is stored between the soft water tank 14 and the hard bottle 16.
When the membrane is soaked in pure water, an external water source continuously supplies water to the pre-filter part 2, raw water is filtered by the filter element assembly 15 through the first water inlet 11, and pure water is led out to the first water outlet 12; when the first prepositive control valve 21 and the pressurizing assembly 4 are closed, the filtered purified water is led out and sealed; when the continuously obtained purified water is accumulated in the soft water tank 14, the soft water tank 14 is deformed and effectively pressed toward the hard outer bottle 16, and the purified water stored between the soft water tank 14 and the hard outer bottle 16 is pressed, and enters the reverse osmosis filter unit 3 through the purified water inlet 31 via the purified water bubble film flow passage via the water inlet/outlet 13.
In the above-mentioned in-process, the pure water that enters into reverse osmosis filter portion 3 can replace the water that stays in its RO membrane filtration structure raw water side gradually originally, makes the water TDS value of raw water side reduce in the RO membrane filtration structure, makes the water TDS value of this RO membrane filtration structure raw water side tend to be close rather than the water TDS value of pure water side, has avoided this leading bubble membrane water purification system under standby state, and RO membrane filtration structure's raw water side and pure water side appear the osmosis phenomenon and lead to the water TDS value of pure water side to rise by a wide margin in its reverse osmosis filter portion 3.
Example 2:
as shown in fig. 3, the present embodiment discloses a post-bubble membrane water purification system, which is different from the above embodiment 1 in that the filter element structure capable of storing pure water is applied to the post-filter portion 5, and the water path thereof is adjusted accordingly.
Specifically, the rear foam water purification system comprises a front filter part 2, a reverse osmosis filter part 3, a rear filter part 5, a first rear control valve 51, a first rear check valve 52 and a pressurizing assembly 4, wherein the rear filter part 5 is provided with the filter element structure capable of storing pure water.
The pre-filter part 2 comprises a raw water inlet and a purified water outlet, and the raw water inlet is used for introducing an external raw water source; the reverse osmosis filtering part 3 comprises a purified water inlet 31, a purified water outlet 32 and a concentrated water outlet 33; a purified water filtering flow passage is formed between the purified water outlet and the purified water inlet 31, and the rear control valve 51 and the pressurizing assembly 4 are arranged in the purified water filtering flow passage.
Under the water source pressure of external raw water, water flow enters the pre-filter part along the raw water inlet to be filtered, is guided out to the water storage inlet and outlet 13 through the purified water outlet to form a water storage extrusion flow passage, and flows to the first water inlet 11 along the purified water outlet 32 to form a purified water filtering flow passage; the first rear one-way valve is used for limiting water flow to flow towards the purified water inlet, and the water flow flows along the first water inlet 11, the first rear one-way valve 52 and the purified water inlet 31 to form a corresponding purified water bubble film flow channel.
Pure water is output to the outside at the downstream of the first water outlet; a second rear check valve 53 and a high-pressure switch 7 for detecting the pressure of the pipeline are correspondingly arranged at the downstream position of the first water outlet; the second rear check valve 53 is used for guiding and outputting the pure water led out from the first water outlet to the outside.
And a concentrated water valve 6 is arranged at the downstream position of the concentrated water outlet.
Likewise, the first post-control valve 51 will be applied as a solenoid valve and the booster assembly 4 as a booster pump. Based on foretell rivers route, the utility model discloses a rearmounted bubble membrane water purification system will also have pure water system water state and pure water bubble membrane state.
The application principle is as follows:
in the pure water system water state, outside raw water source supplies water to leading filter house 2 through relief pressure valve 8, and the raw water filters and has the water purification by the export output of water purification through filter media in this leading filter house 2, first rearmounted control valve 51 is opened, and corresponding water purification is arrived under the drive of pressure boost subassembly 4 reverse osmosis filter house 3 filters to carry out the preparation of pure water.
The prepared pure water flows out through the pure water outlet 32, flows into the post-filter part 5 through the pure water filter flow channel, enters the corresponding filter element assembly 15 through the first water inlet 11, and is guided out of the water purification system through the first water outlet 12 and the second post-check valve 25 so as to meet the requirement of taking water from the external pure water; when the external water intake action is stopped, a portion of the pure water will remain between the filter element assembly 15 and the soft water tank 14.
Similarly, the filter element assembly 15 can be used as a filter material such as a carbon rod to meet the taste improvement requirement of the filtered pure water.
When the pure water bubble membrane is in a state, an external water source continuously supplies water to the pre-filter unit 2, the first post-control valve 51 and the pressurizing assembly 4 are closed, then the pre-filter unit 2 continuously outputs pure water, the corresponding pure water enters the space between the soft water tank 14 and the hard bottle 16 through the water storage extrusion flow channel from the water storage inlet and outlet 13, the continuously entered pure water generates corresponding extrusion pressure towards the inner side position on the soft water tank 14, then the pure water remained between the filter core assembly 15 and the soft water tank 14 is led out from the position of the first water inlet 11, and the led pure water flows back to the reverse osmosis filter unit 3 through the corresponding pure water bubble membrane flow channel and the pure water inlet 31, so that the corresponding pure water bubble membrane treatment is effectively carried out.
The above is only the preferred embodiment of the present invention, and to the technical personnel in the technical field, without departing from the present invention, the embodiment can still be modified, and the corresponding modification should also be regarded as the protection scope of the present invention.