CN108757377B - Water purifier booster pump, booster water supply system and boosting method - Google Patents
Water purifier booster pump, booster water supply system and boosting method Download PDFInfo
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- CN108757377B CN108757377B CN201810735106.4A CN201810735106A CN108757377B CN 108757377 B CN108757377 B CN 108757377B CN 201810735106 A CN201810735106 A CN 201810735106A CN 108757377 B CN108757377 B CN 108757377B
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- water inlet
- pressurized
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 207
- 238000000034 method Methods 0.000 title abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000008399 tap water Substances 0.000 claims description 6
- 235000020679 tap water Nutrition 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 239000008213 purified water Substances 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 14
- 229920000742 Cotton Polymers 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 239000004743 Polypropylene Substances 0.000 description 11
- 239000000835 fiber Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 108010066278 cabin-4 Proteins 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/20—Other positive-displacement pumps
- F04B19/22—Other positive-displacement pumps of reciprocating-piston type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of water purifier pressurization, in particular to a water purifier booster pump which comprises a pump body and a driving mechanism and is characterized in that the pump body comprises a cylindrical closed cylinder body, a piston is arranged in the cylindrical closed cylinder body, the cylindrical closed cylinder body is divided into a left pressurized water cabin and a right pressurized water cabin by the piston, and a left water inlet and a left water outlet are respectively arranged at the end parts of the left pressurized water cabin and the right pressurized water cabin; a right water inlet and a right water outlet; a piston rod is arranged on the piston, one end of the piston rod is connected with the piston, and the other end of the piston rod extends out of the cylindrical closed cylinder body and is connected with the driving mechanism; also relates to a water purifier pressurization system and a pressurization method. The invention has the advantages of simple structure and longer service life; secondly, the reciprocating frequency is convenient to adjust and the supercharging amplitude is set; thirdly, the running noise is low, fourthly, the filter core is particularly beneficial to the first-stage PP cotton filter element to better keep the outer layer loose state and exert better filtering performance.
Description
Technical Field
The invention relates to the technical field of water purifier pressurization, in particular to a booster pump of a water purifier, and further relates to a water purifier pressurization system and a water purifier pressurization method.
Background
At present, the water purifier is widely applied to occasions such as families, factories, hotels and the like; the conventional water purifier comprises a polypropylene melt spray filter element, an active carbon filter element, an ultrafiltration membrane and a post-positioned active carbon filter element which are sequentially cascaded. The multi-stage filter element structure requires that water supply can reach required filtering effect and flow rate only by ensuring certain pressure; because the running water with common flow rate needs to be pressurized by the filter element, the booster pump almost becomes the necessary configuration of the water inlet device, and the diaphragm booster pump is widely applied to various water purifiers with the advantages that the medium is separated from the atmosphere by the diaphragm and the medium can be conveyed without leakage.
In practical use, however, the diaphragm booster pump has some disadvantages, one is that the diaphragm booster pump is complex in structure and easy to break down, and especially frequent vibration of the diaphragm can cause breakage; secondly, the noise, especially when using booster pump work after a period of time noise can be bigger. Except for factors which are better eliminated such as pipeline shaking and the like, when the diaphragm booster pump is in air suction or the air content in water is high, large noise is generated.
In addition, the polypropylene melt spray filter element or PP cotton filter element is generally adopted at present as the first-stage filtration function of the water purifier. The outer layer of the PP cotton filter element is thicker in fiber, the inner layer of the PP cotton filter element is thinner in fiber, the outer layer is relatively loose, the inner layer of the PP cotton filter element is compact, and a multi-layer gradient structure with gradually changed diameters and gradually tightening is formed. Each layer of the multilayer structure can intercept and store impurities in water, and the pollutant carrying capacity is large when a plurality of layers are added. The polypropylene fibers of the raw material of the PP cotton are mutually entangled by means of self-bonding to form a three-dimensional labyrinth microporous structure, and have larger specific surface area and higher porosity than the fibers in the traditional fabrics and carded non-woven fabrics. The large surface area and the plurality of small holes can lead water to quickly pass through the PP cotton, and the pressure difference of the water inside and outside cannot be too much, so that the filtering flow is large, and the pressure difference is small. The maximum pressure difference is 0.4MPa in positive direction, the water inlet pressure is 0.1-0.5 MPa, and the pressure loss is less than or equal to 0.05 MPa.
Because the coarse particle impurity in the running water will be filtered through this level at first, therefore its operating condition directly influences water purifier result of use, and if lasting high pressure can make its material continuously pressurized, slight impurity is in same hole department location accumulation to because the infiltration of impurity leads to its filtration efficiency to reduce relatively fast, the pressure loss improves.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention provides a booster pump for a water purifier, which has a simpler structure than a conventional diaphragm booster pump.
The technical scheme for solving the technical problems is as follows: a booster pump of a water purifier comprises a pump body and a driving mechanism, and is characterized in that the pump body comprises a cylindrical closed cylinder body, a piston is arranged in the cylindrical closed cylinder body, the cylindrical closed cylinder body is divided into a left pressurized water cabin and a right pressurized water cabin by the piston, a left water inlet and a left water outlet are formed in the end part of the left pressurized water cabin, and a right water inlet and a right water outlet are formed in the end part of the right pressurized water cabin;
a piston rod is arranged on the piston, one end of the piston rod is connected with the piston, and the other end of the piston rod extends out of the cylindrical closed cylinder body and is connected with the driving mechanism;
the driving mechanism can drive the piston to reciprocate left and right.
The invention has the beneficial effects that: compared with the conventional diaphragm booster pump, the diaphragm booster pump has a simple structure, adopts a piston reciprocating structure and has a longer service life; secondly, different reciprocating frequencies can be adjusted conveniently to set the supercharging amplitude; thirdly, the running noise is low, and the whole system can not have the phenomenon of air suction.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, a compressible air bag is further arranged in the left water compressing cabin or the right water compressing cabin, the compressed air bag is fixedly connected with the piston, and the length of the water compressing cabin cavity provided with the compressed air bag is larger than that of the water compressing cabin without the compressed air bag. The difference in cavity length is provided to allow room for the compression balloon to be compressed.
The adoption of the further scheme has the beneficial effects that the actual volume of the water compressing cabin provided with the compressible air bag is greatly reduced, so that the switching of high pressure and low pressure can be realized in one working cycle; the continuous water supply with frequently switched high and low pressure can be output, which has different filtering effects on the first-stage PP cotton filtering element, so that the fibers in the inner layer and the outer layer of the PP cotton filtering element can be kept in a relatively loose state, the fine impurities gathered in the fibers are not fixed, and the filtering pressure difference is reduced; in particular, the outer layer is thicker and looser than the inner layer, and plays the most direct filtering role, and the reciprocating micromotion generated by the pressure node fluctuation is favorable for maintaining better performance.
Further, the driving mechanism is a linear motor, a bidirectional cylinder or a crank connecting rod mechanism.
Adopt above-mentioned further scheme's beneficial effect be, can select different actuating mechanism according to different water purifier specifications, usage.
The invention also discloses a water purifier pressurized water supply system, which comprises a water purifier body, wherein the water purifier body comprises a pressurized water inlet and a purified water outlet, and is characterized by further comprising the water purifier pressurized pump according to claim 1-3, wherein a left water inlet check valve, a left water outlet check valve, a right water inlet check valve and a right water outlet check valve are respectively arranged on the left water inlet, the left water outlet, the right water inlet and the right water outlet; the water inlet ends of the left water inlet check valve and the right water inlet check valve are connected in parallel and then connected with a tap water pipeline; the left water outlet one-way valve and the right water outlet one-way valve are connected in parallel and then connected with the pressurized water inlet; the one-way valve is used for controlling water to flow from a tap water pipeline to the pressurized water inlet of the water purifier body.
Further, the pressure of the compression air bag is 0.1-0.3 MPa.
The working principle of the invention is as follows: when the piston moves rightwards, the right water inlet one-way valve is closed, the right water outlet one-way valve is opened, the right water pressing cabin supplies water to the water inlet device under the pressure of the piston, at the moment, the left water inlet one-way valve is opened, the left water outlet one-way valve is closed, and the left water pressing cabin absorbs water; when the piston moves leftwards, the left water inlet one-way valve is closed, the left water outlet one-way valve is opened, the left water pressing cabin supplies water to the water inlet device under the pressure of the piston, at the moment, the right water inlet one-way valve is opened, the right water outlet one-way valve is closed, and the right water pressing cabin absorbs water; the water purifier is circulated to and fro to complete pressurized water supply.
The invention has the beneficial effects that: compared with the conventional diaphragm booster pump, the whole water supply system has the advantages of few parts, simple structure, reliable work and low noise. And the selectable driving mode is flexible.
The invention also discloses a water purifier with the water inlet pressure of the pressurized water inlet in a high-low pressure alternative conversion state. The water inlet pressure is 0.1-0.5 Mpa. The low pressure is higher than the pre-pump supply water pressure.
The method for supplying water to the supercharger is favorable for maintaining the slack state of the pre-stage filter, has better filtering capacity and can reduce the filtering pressure loss.
Drawings
FIG. 1 is a schematic structural diagram of a booster pump of a water purifier according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a booster pump of a water purifier according to embodiment 2 of the present invention;
FIG. 3 is a schematic structural diagram of an operating state of a booster pump of a water purifier according to embodiment 2 of the present invention;
FIG. 4 is a schematic view of a pressurized water supply system of a water purifier according to the present invention;
fig. 5 is a schematic diagram of the system of fig. 4 showing the output supply water pressure.
In fig. 1 to 5, the names of the respective components are as follows:
1. a cylindrical closed cylinder body; 2. a piston; 3. a left pressurized water tank; 4. a right pressurized water compartment; 5. a left water inlet; 6. a left water outlet; 7. a right water inlet; 8. a right water outlet; 9. a piston rod; 10. a drive mechanism; 11. a compressible bladder; 12. a left water inlet one-way valve; 13. a left water outlet one-way valve; 14. a right water inlet check valve; 15. a right water outlet one-way valve; 16. a water purifier body. 16-1, a pressurized water inlet; 16-2, a purified water outlet; 16-3, a sewage draining outlet;
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
A booster pump of a water purifier comprises a pump body and a driving mechanism, wherein the pump body comprises a cylindrical closed cylinder body 1, a piston 2 is arranged in the cylindrical closed cylinder body 1, the cylindrical closed cylinder body is divided into a left pressurized water cabin 3 and a right pressurized water cabin 4 by the piston 2, a left water inlet 5 and a left water outlet 6 are arranged at the end part of the left pressurized water cabin 3, and a right water inlet 7 and a right water outlet 8 are arranged at the end part of the right pressurized water cabin 4;
a piston rod 9 is arranged on the piston 2, one end of the piston rod 9 is connected with the piston 2, and the other end of the piston rod 9 extends out of the cylindrical closed cylinder body 1 and is connected with the driving mechanism 10;
the driving mechanism 10 can drive the piston 2 to reciprocate left and right.
The driving mechanism 10 is a linear motor, a bidirectional cylinder or a crank link mechanism.
Example 2
The difference from example 1 is: and a compressible air bag 11 is further arranged in the left pressurized-water cabin 3 or the right pressurized-water cabin 4, the compressible air bag 11 is fixedly connected with the piston 2, and when the piston is positioned in the middle position of the stroke of the driving mechanism, the length of a pressurized-water cabin cavity provided with the compressible air bag 11 is larger than that of a pressurized-water cabin cavity not provided with the compressible air bag. The length difference between the two water compressing chambers is smaller than the length of the compressed air bag 11 in an uncompressed state, so that the water can be supplied alternately under high pressure and low pressure.
The rest is the same as the embodiment 1, and the description is omitted.
The working principle and action of the embodiment 2 are the same as those of the embodiment 1, because the compressible air bag 11 has certain internal pressure, when the pressurized water cabin is in a water absorption state, the absorbed water is basically the volume of the rest cavities and is less than that of the other pressurized water cabin, therefore, in the same extrusion time, the water supply amount is less, the pressure in the pipeline is small, the compressible air bag is also extruded and contracted in the process, and the compressible air bag naturally expands and recovers when absorbing water; it is to be understood that the output pressure of the compressible bladder during the compression process is not lower than the pre-pressurization pressure to ensure proper operation of the check valve.
The invention also discloses a water purifier pressurized water supply system, which comprises a water purifier body 16, wherein the water purifier body 16 comprises a pressurized water inlet 16-1, a purified water outlet 16-2, a sewage discharge outlet 16-3 and the water purifier pressurized pump, and a left water inlet check valve 12, a left water outlet check valve 13, a right water inlet check valve 14 and a right water outlet check valve 15 are respectively arranged on the left water inlet 5, the left water outlet 6, the right water inlet 7 and the right water outlet 8; the water inlet ends of the left water inlet check valve 12 and the right water inlet check valve 14 are connected in parallel and then connected with a tap water pipeline; the left water outlet one-way valve 12 and the right water outlet one-way valve 15 are connected in parallel and then connected with the pressurized water inlet 16-1; the one-way valve is used for controlling water to flow from a tap water pipeline to the pressurized water inlet of the water purifier body.
The pressure of the compression air bag is 0.1-0.3 MPa.
As shown in FIG. 5, the invention also discloses a water purifier in which the water inlet pressure of the pressurized water inlet is in a high-low pressure alternative conversion state. The water inlet pressure is 0.1-0.5 MPa. The low pressure is higher than the pre-pump supply water pressure. In fig. 5, t represents a time axis and P represents pressure, and it can be seen that the pressure is in a high-low pressure switching state.
The method for supplying water to the supercharger is favorable for maintaining the slack state of the pre-stage filter, has better filtering capacity and can reduce the filtering pressure loss.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A booster pump of a water purifier comprises a pump body and a driving mechanism, and is characterized in that the pump body comprises a cylindrical closed cylinder body, a piston is arranged in the cylindrical closed cylinder body, the cylindrical closed cylinder body is divided into a left pressurized water cabin and a right pressurized water cabin by the piston, a left water inlet and a left water outlet are formed in the end part of the left pressurized water cabin, and a right water inlet and a right water outlet are formed in the end part of the right pressurized water cabin;
a piston rod is arranged on the piston, one end of the piston rod is connected with the piston, and the other end of the piston rod extends out of the cylindrical closed cylinder body and is connected with the driving mechanism;
the driving mechanism can drive the piston to reciprocate left and right; the left water compressing cabin or the right water compressing cabin is also internally provided with a compressible air bag, the compressible air bag is fixedly connected with the piston, and the length of the water compressing cabin cavity provided with the compressible air bag is greater than that of the water compressing cabin without the compressible air bag.
2. The water purifier booster pump according to claim 1, wherein the driving mechanism is a linear motor, a bidirectional cylinder, or a crank link mechanism.
3. A water purifier booster water supply system, including the water purifier body, the said water purifier body includes pressurized water inlet and purified water outlet, characterized by, also include the booster pump of the water purifier of claim 1 or 2, there are one-way valve of left water inflow, one-way valve of left water outlet, one-way valve of right water inflow and one-way valve of right water outlet on said left water inlet, left water outlet, right water inlet, right water outlet separately; the water inlet ends of the left water inlet check valve and the right water inlet check valve are connected in parallel and then connected with a tap water pipeline; the left water outlet one-way valve and the right water outlet one-way valve are connected in parallel and then connected with the pressurized water inlet; the one-way valve is used for controlling water to flow from a tap water pipeline to the pressurized water inlet of the water purifier body.
4. The pressurized water supply system according to claim 3, wherein the pressure of the compression air bag is 0.1 to 0.3 MPa.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011561376.1A CN113339229B (en) | 2018-07-06 | 2018-07-06 | Pressurizing method for water purifier |
| CN201810735106.4A CN108757377B (en) | 2018-07-06 | 2018-07-06 | Water purifier booster pump, booster water supply system and boosting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735106.4A CN108757377B (en) | 2018-07-06 | 2018-07-06 | Water purifier booster pump, booster water supply system and boosting method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011561376.1A Division CN113339229B (en) | 2018-07-06 | 2018-07-06 | Pressurizing method for water purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108757377A CN108757377A (en) | 2018-11-06 |
| CN108757377B true CN108757377B (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810735106.4A Active CN108757377B (en) | 2018-07-06 | 2018-07-06 | Water purifier booster pump, booster water supply system and boosting method |
| CN202011561376.1A Active CN113339229B (en) | 2018-07-06 | 2018-07-06 | Pressurizing method for water purifier |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202011561376.1A Active CN113339229B (en) | 2018-07-06 | 2018-07-06 | Pressurizing method for water purifier |
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| CN (2) | CN108757377B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454352B (en) * | 2019-08-27 | 2024-07-09 | 烟台杰瑞石油装备技术有限公司 | Linear motor driving type plunger pump |
| CN112575846B (en) * | 2020-12-17 | 2025-01-10 | 上海锐铼水务科技有限公司 | Water supply equipment and booster device |
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| US5628198A (en) * | 1996-05-13 | 1997-05-13 | Permar; Clark | Liquid treatment apparatus for filtering liquid under pressure |
| US7175395B1 (en) * | 2002-06-04 | 2007-02-13 | Forest Daniel L | Pressure enhancer value system |
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| CN2614275Y (en) * | 2003-02-12 | 2004-05-05 | 黎其银 | Piston pump |
| CN201991718U (en) * | 2011-02-25 | 2011-09-28 | 程云虹 | Through-shaft serial three-cylinder self-control gas-liquid pump |
| CN102207067A (en) * | 2011-05-04 | 2011-10-05 | 全栋(南京)太阳能光伏有限公司 | Push-type clear water pump |
| CN103553182B (en) * | 2013-11-13 | 2015-06-03 | 南充市大禹水务科技有限责任公司 | Pipe network water automatic purification separate-quality supply device |
| CN205495352U (en) * | 2016-02-03 | 2016-08-24 | 厦门市科宁沃特水处理科技股份有限公司 | General automatic supercharging device of family expenses water purifier |
| CN205587356U (en) * | 2016-05-04 | 2016-09-21 | 湖南威平科技发展有限公司 | High -pressure cleaning machine |
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|---|---|---|---|---|
| US5628198A (en) * | 1996-05-13 | 1997-05-13 | Permar; Clark | Liquid treatment apparatus for filtering liquid under pressure |
| US7175395B1 (en) * | 2002-06-04 | 2007-02-13 | Forest Daniel L | Pressure enhancer value system |
| CN101549228A (en) * | 2009-04-07 | 2009-10-07 | 黄樟焱 | Water storage bag type water purifier |
| CN101581328A (en) * | 2009-05-31 | 2009-11-18 | 王世昌 | United piston self-pressurization energy recovery pump used for reverse osmosis seawater desalination system |
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| CN202280592U (en) * | 2011-09-28 | 2012-06-20 | 深圳市莱德士科技有限公司 | Booster pump and reverse osmosis system applying same |
| CN108176227A (en) * | 2018-03-21 | 2018-06-19 | 上海坤释流体科技有限公司 | A kind of energy recovery pump and its application for reverse osmosis water treatment system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108757377A (en) | 2018-11-06 |
| CN113339229A (en) | 2021-09-03 |
| CN113339229B (en) | 2024-03-26 |
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Denomination of invention: The invention relates to a booster pump of a water purifier, a booster water supply system and a booster method Effective date of registration: 20220107 Granted publication date: 20210330 Pledgee: Rizhao bank Limited by Share Ltd. Yantai branch Pledgor: LONGKOU LIJIA ELECTRIC Co.,Ltd. Registration number: Y2022980000160 |
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Denomination of invention: Water purifier booster pump, booster water supply system and booster method Effective date of registration: 20230217 Granted publication date: 20210330 Pledgee: China Minsheng Bank Co.,Ltd. Yantai Branch Pledgor: LONGKOU LIJIA ELECTRIC Co.,Ltd. Registration number: Y2023980032855 |