CN114671493A - Small-flow table type water purification system, water purification control method and water purification equipment - Google Patents

Small-flow table type water purification system, water purification control method and water purification equipment Download PDF

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Publication number
CN114671493A
CN114671493A CN202011573532.6A CN202011573532A CN114671493A CN 114671493 A CN114671493 A CN 114671493A CN 202011573532 A CN202011573532 A CN 202011573532A CN 114671493 A CN114671493 A CN 114671493A
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CN
China
Prior art keywords
pipeline
water
valve
waste water
water purification
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Pending
Application number
CN202011573532.6A
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Chinese (zh)
Inventor
陈小平
晏博
吕苏
陈文彬
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Guangdong Lizi Technology Co Ltd
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Guangdong Lizi Technology Co Ltd
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Priority to CN202011573532.6A priority Critical patent/CN114671493A/en
Publication of CN114671493A publication Critical patent/CN114671493A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/008Control or steering systems not provided for elsewhere in subclass C02F
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/16Regeneration of sorbents, filters

Abstract

The invention discloses a small-flow table type water purification system, a water purification control method and water purification equipment, which comprise a raw water tank, a main pipeline, a first water pump, a membrane filter element, a waste water pipeline, a valve and a return pipeline, wherein the raw water tank is connected with the main pipeline through the membrane filter element; the raw water tank is communicated with one end of a main pipeline, and the first water pump and the membrane filter element are sequentially arranged on the main pipeline; one end of the waste water pipeline is communicated with the water inlet side of the membrane filter element; the valve is arranged on the waste water pipeline and the return pipeline or on the waste water pipeline to control the conduction of the waste water pipeline and the return pipeline; one end of the return pipeline is communicated with the main pipeline and is positioned in front of the first water pump, and the other end of the return pipeline is communicated with the waste water pipeline or the valve. Aiming at the small-flow table type water purification system, the invention conducts a return pipeline through a control valve, increases the flowing speed of the waste water through circulation, enhances the washing of a filtering membrane and prevents the blockage of the membrane filter core. After a certain time of reflux circulation, the wastewater pipeline is conducted to discharge the wastewater.

Description

Small-flow table type water purification system, water purification control method and water purification equipment
Technical Field
The invention relates to the technical field of water treatment, in particular to a small-flow table type water purification system, a water purification control method and water purification equipment.
Background
The water purifying equipment is also called water purifier and water quality purifier, and is water treating equipment for deep filtering and purifying water according to water requirement. The technical core of the water purifier is a filter element device, and the filter element device generally comprises an ultrafiltration membrane filter element, an RO reverse osmosis membrane filter element, a nanofiltration membrane filter element and the like.
The small-flow table type water purifying equipment is one of various water purifying equipment, can be directly placed on a table top, and is generally provided with a membrane filter element and a raw water tank for storing water before filtration. The wastewater at the water inlet side of the membrane filter element is circulated back to the raw water tank. The small-flow table-type water purifying equipment has small volume, small membrane filter element, low flowing speed of waste water and easy blockage of a filter membrane.
Disclosure of Invention
The invention aims to provide a small-flow table type water purification system, a water purification control method and water purification equipment, which can accelerate the flowing speed of wastewater and prevent a filter membrane from being blocked.
The invention discloses a small-flow table type water purification system which comprises a raw water tank, a main pipeline, a first water pump, a membrane filter element, a waste water pipeline, a valve and a return pipeline, wherein the raw water tank is connected with the main pipeline through the first water pump; the raw water tank is communicated with one end of a main pipeline, and the first water pump and the membrane filter element are sequentially arranged on the main pipeline; one end of the waste water pipeline is communicated with the water inlet side of the membrane filter element; the valve is arranged on the waste water pipeline and the return pipeline or on the waste water pipeline to control the conduction of the waste water pipeline and the return pipeline; one end of the return pipeline is communicated with the main pipeline and is positioned in front of the first water pump, and the other end of the return pipeline is communicated with the waste water pipeline or the valve.
Optionally, the valve comprises a first valve and a second valve; the first valve is arranged on the waste water pipeline and behind the return pipeline; the second valve is disposed on the return line.
Optionally, the valve is a three-way valve; the valve is arranged on the waste water pipeline, and one end of the return pipeline is communicated with the valve.
Optionally, the water purification system further comprises a waste water tank, and the waste water tank is communicated with the waste water pipeline.
Optionally, the water purification system further comprises a flow limiting module for limiting water flow; the flow limiting module is arranged on the waste water pipeline and is positioned in front of the valve.
Optionally, the water purification system further comprises a flow limiting module for limiting water flow; the flow limiting module is arranged on the return pipeline.
Optionally, the water purification system still includes the TDS meter, the TDS meter sets up on the main pipeline, and be located between membrane filter core and the return line.
The invention also discloses a water purification control method, which is applied to the water purification system and comprises the following steps:
starting the water purification system;
the control valve is communicated with the return pipeline, and the wastewater on the water inlet side of the membrane filter element flows back to the main pipeline in front of the membrane filter element through the return pipeline;
After a certain time, the valve is controlled to close the return pipeline and conduct the waste water pipeline, and the waste water on the water inlet side of the membrane filter element is discharged through the waste water pipeline.
Optionally, the control valve specifically comprises a conducting return line:
and controlling the first valve to be closed, opening the second valve and conducting the return pipeline.
The invention also discloses a small-flow table type water purifying device which comprises the water purifying system.
Aiming at a small-flow table type water purification system, the invention can conduct the return pipeline through the control valve, can lead the wastewater at the water inlet side to flow back to the front of the membrane filter element through the return pipeline, increases the flow speed of the wastewater through circulation, increases the water flow and the water flow speed of the main pipeline, enhances the washing of the filtering membrane and prevents the membrane filter element from being blocked. After a certain time of backflow circulation, the backflow pipeline can be closed through valve control, the waste water pipeline is conducted, and waste water is discharged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of a small flow bench water purification system according to an embodiment of the present invention;
FIG. 2 is another schematic diagram of a small flow counter top water purification system according to an embodiment of the present invention;
fig. 3 is a flow chart of a water purification control method according to an embodiment of the invention.
Wherein, 1, a raw water tank; 2. a main pipeline; 3. a first water pump; 4. a membrane cartridge; 41. a water inlet side; 42. a water outlet side; 5. a waste water line; 6. a valve; 61. a first valve; 62. a second valve; 63. a three-way valve; 7. a return line; 8. a wastewater tank; 9. a pure water tank; 10. a current limiting module; 11. a TDS meter; 12. a front filter element; 13. a post-positioned filter element; 14. a second water pump; 15. the module is heated.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present invention may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
The invention is described in detail below with reference to the figures and alternative embodiments.
As shown in fig. 1 and 2, as an embodiment of the present invention, a small flow table water purification system is disclosed, which includes a raw water tank 1, a main pipeline 2, a first water pump 3, a membrane filter element 4, a waste water pipeline 5, a valve 6 and a return pipeline 7; the raw water tank 1 is communicated with one end of a main pipeline 2, and the first water pump 3 and the membrane filter element 4 are sequentially arranged on the main pipeline 2; one end of the waste water pipeline 5 is communicated with the water inlet side 41 of the membrane filter element 4; the valve 6 is arranged on the waste water pipeline 5 and the return pipeline 7, or arranged on the waste water pipeline 5, so as to control the conduction of the waste water pipeline 5 and the return pipeline 7; one end of the return pipeline 7 is communicated with the main pipeline 2 and is positioned in front of the first water pump 3, and the other end is communicated with the waste water pipeline 5 or the valve 6.
The membrane cartridge 4 of the present invention may be a cartridge of various filtration membranes, such as a reverse osmosis membrane cartridge, an ultrafiltration membrane cartridge, and a nanofiltration membrane cartridge. The filter membrane divides the cartridge into a water inlet side 41 and a water outlet side 42. The water inlet side 41 refers to the side of the membrane filter element 4 which is not yet filtered by the membrane and is provided with raw water or waste water; the outlet side 42 refers to the side of the membrane cartridge 4 where water has been filtered, where it is purified for consumption by a user. In the present invention, the water is raw water, purified water and waste water. The raw water refers to water before being filtered by the membrane filter element 4, and the raw water tank 1 is used for storing raw water; the purified water refers to water filtered by a reverse osmosis membrane and is drunk by a user; the waste water refers to water remaining on the water inlet side 41 after the raw water is continuously filtered by the filter membrane, and the part of the water having a higher Total Dissolved Solids (TDS) than the raw water can be discharged through the waste water line 5.
Aiming at the small-flow table type water purification system, the invention can lead the return pipeline 7 to be communicated through the control valve 6, can lead the wastewater at the water inlet side 41 to flow back to the front of the membrane filter element 4 through the return pipeline 7, increases the flow speed of the wastewater through circulation, increases the water flow and the water flow speed of the main pipeline 2, enhances the washing of the filter membrane and prevents the membrane filter element 4 from being blocked. After a certain time of reflux circulation, the reflux pipeline 7 can be controlled to be closed through the valve 6, the waste water pipeline 5 is conducted, and the waste water is discharged.
Specifically, the water purification system further comprises a waste water tank 8, and the waste water tank 8 is communicated with the waste water pipeline 5. After certain time of backflow circulation, the backflow pipeline 7 can be controlled to be closed through the valve 6, the waste water pipeline 5 is conducted, waste water is discharged into the waste water tank 8, and waste water collection and treatment are facilitated. Original desk-top water purification system of low discharge directly flows waste water back to former water tank 1 in, pollutes the raw water in the former water tank 1, increases the filterable burden of filter core, separates former water and waste water in this scheme, with waste water back to waste water tank 8 in, prevent to pollute the raw water in the former water tank 1.
In one embodiment, as shown in fig. 1, the valve 6 includes a first valve 61 and a second valve 62; the first valve 61 is arranged on the waste pipe 5, after the return pipe 7; the second valve 62 is arranged on the return line 7. The waste water pipe 5 and the return pipe 7 are controlled by the first valve 61 and the second valve 62, respectively, so that whether the waste water pipe 5 and the return pipe 7 are conducted or not can be controlled at will. Is flexible and convenient. For example, the waste line 5 is completely closed and the return line 7 is completely open, and the filtration membrane is flushed at full speed with return flow; for example, the waste water line 5 is partially closed, and the return line 7 is partially closed, and waste water is discharged while returning. In another embodiment, as shown in fig. 2, the valve 6 is a three-way valve 63; the valve 6 is arranged on the waste water pipeline 5, and one end of the return pipeline 7 is communicated with the valve 6. The three-way valve 63 is arranged on the waste water pipeline 5, wherein an inlet and an outlet are communicated with the waste water pipeline 5, a reversing port is communicated with the return pipeline 7, and when the waste water needs to flow back, the waste water pipeline 5 and the return pipeline 7 are communicated by the three-way valve 63, so that the waste water flows back; when the waste water needs to be drained, the return pipeline 7 is closed, the waste water pipeline 5 is conducted, and the waste water is drained away or discharged into the waste water tank 8 through the waste water pipeline 5.
The water purification system further comprises a flow limiting module 10 for limiting the flow of water; the flow restriction module 10 is arranged on the return line 7. The flow limiting module 10 can be various valves 6, curved flow passages or flow limiting orifice plates and the like which can be controlled to open and close. The flow limiting module 10 is used to control the water flow and reduce the water flow speed, so as to increase the water pressure of the water inlet side 41 and improve the filtering efficiency of the filtering membrane. In another embodiment, the flow restriction module 10 is disposed on the waste line 5 before the valve 6. In this way, the flow restriction module 10 and the membrane cartridge 4 are integrated, and the flow restriction module 10 can be replaced at the same time as the membrane cartridge 4 is replaced.
The water purification system still includes TDS meter 11, TDS meter 11 sets up on the main line 2, and is located between membrane filter core 4 and return line 7. In this scheme, can decide whether to stop the backward flow circulation according to the TDS value, with waste water pass through waste water pipeline 5 and drain or arrange waste water tank 8 in.
Furthermore, the water purification system further comprises a pure water tank 9, and the pure water tank 9 is arranged on the main pipeline 2 and behind the membrane filter element 4. The pure water tank 9 is used for storing the treated pure water, and is convenient for users to directly drink the pure water.
Further, the water purification system further comprises a front filter element 12 and a rear filter element 13 which are arranged on the main pipeline 2, wherein the front filter element 12 is positioned in front of the membrane filter element 4, and the rear filter element 13 is positioned behind the membrane filter element 4. The front filter element 12 can be any one or combination of a PP cotton filter element and an activated carbon filter element. The post-filter element 13 may be an activated carbon filter element. The PP cotton filter element can filter particle impurities in raw water, and the activated carbon filter element can remove residual chlorine, peculiar smell, color and organic matters in the water. The preposed filter element 12 can be used for pretreating raw water, is beneficial to protecting the membrane filter element 4 and can also improve the purification effect of the raw water. The post-positioned filter element 13 can remove residual chlorine, peculiar smell, color and organic matters in water again before purified water is provided for users to drink, thereby ensuring the quality of drinking water finally provided for the users.
Further, the water purification system further comprises a second water pump 14, and the second water pump 14 is arranged on the main pipeline 2 and behind the pure water tank 9. The second water pump 14 provides power for the water outlet of the water purification system, and the purified water is discharged more quickly. The water purification system further comprises a heating module 15, wherein the heating module 15 is arranged on the main pipeline 2 and is positioned behind the pure water tank 9. The heating module 15 can heat the purified water to provide hot water for users.
As shown in fig. 3, as another embodiment of the present invention, a water purification control method is disclosed, which is applied to the water purification system described above, and includes the steps of:
s100: starting the water purification system;
s200: the control valve is communicated with the return pipeline, and the wastewater on the water inlet side of the membrane filter element flows back to the main pipeline in front of the membrane filter element through the return pipeline;
s300: after a certain time, the valve is controlled to close the return pipeline, the waste water pipeline is switched on, and the waste water on the water inlet side of the membrane filter element is discharged through the waste water pipeline.
Aiming at the small-flow table type water purification system, the method conducts the return pipeline 7 through the control valve 6, can lead the wastewater at the water inlet side 41 to flow back to the front of the membrane filter element 4 through the return pipeline 7, increases the flow speed of the wastewater through circulation, increases the water flow and the water flow speed of the main pipeline 2, enhances the washing of the filter membrane, and prevents the membrane filter element 4 from being blocked. After a certain time of reflux circulation, the reflux pipeline 7 can be controlled to be closed through the valve 6, the waste water pipeline 5 is conducted, and the waste water is discharged.
Specifically, in the step S200, the step of controlling the valve to conduct the return line specifically includes: and controlling the first valve to be closed, opening the second valve and conducting the return pipeline.
As another embodiment of the invention, a small flow table water purification apparatus is disclosed, comprising the water purification system as described above.
It should be noted that, the limitations of the steps involved in the present disclosure are not considered to limit the order of the steps without affecting the implementation of the specific embodiments, and the steps written in the foregoing may be executed first, or executed later, or even executed simultaneously, and as long as the present disclosure can be implemented, all should be considered to belong to the protection scope of the present disclosure.
The foregoing is a more detailed description of the invention in connection with specific alternative embodiments, and the practice of the invention should not be construed as limited to those descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (10)

1. A small-flow table-type water purification system is characterized by comprising a raw water tank, a main pipeline, a first water pump, a membrane filter element, a waste water pipeline, a valve and a return pipeline; the raw water tank is communicated with one end of a main pipeline, and the first water pump and the membrane filter element are sequentially arranged on the main pipeline; one end of the waste water pipeline is communicated with the water inlet side of the membrane filter element; the valve is arranged on the waste water pipeline and the return pipeline or on the waste water pipeline to control the conduction of the waste water pipeline and the return pipeline; one end of the return pipeline is communicated with the main pipeline and is positioned in front of the first water pump, and the other end of the return pipeline is communicated with the waste water pipeline or the valve.
2. The water purification system of claim 1, wherein the valve comprises a first valve and a second valve; the first valve is arranged on the waste water pipeline and behind the return pipeline; the second valve is disposed on the return line.
3. The water purification system of claim 1, wherein the valve is a three-way valve; the valve is arranged on the waste water pipeline, and one end of the return pipeline is communicated with the valve.
4. The water purification system of claim 1, further comprising a waste water tank in communication with the waste water line.
5. The water purification system of claim 3, further comprising a flow restriction module for restricting flow of water; the flow limiting module is arranged on the waste water pipeline and is positioned in front of the valve.
6. The water purification system of claim 2, further comprising a flow restriction module for restricting flow of water; the flow limiting module is arranged on the return pipeline.
7. The water purification system of claim 1, further comprising a TDS meter disposed on the main line between the membrane cartridge and the return line.
8. A water purification control method applied to the water purification system as claimed in claims 1 to 7, comprising the steps of:
starting the water purification system;
the control valve is communicated with the return pipeline, and the wastewater on the water inlet side of the membrane filter element flows back to the main pipeline in front of the membrane filter element through the return pipeline;
after a certain time, the valve is controlled to close the return pipeline and conduct the waste water pipeline, and the waste water on the water inlet side of the membrane filter element is discharged through the waste water pipeline.
9. The water purification control method of claim 8, wherein the control valve, the conducting return line specifically comprises:
and controlling the first valve to close, opening the second valve and conducting the return pipeline.
10. A small flow counter top water purification apparatus comprising a water purification system as claimed in claims 1 to 7.
CN202011573532.6A 2020-12-24 2020-12-24 Small-flow table type water purification system, water purification control method and water purification equipment Pending CN114671493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011573532.6A CN114671493A (en) 2020-12-24 2020-12-24 Small-flow table type water purification system, water purification control method and water purification equipment

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Application Number Priority Date Filing Date Title
CN202011573532.6A CN114671493A (en) 2020-12-24 2020-12-24 Small-flow table type water purification system, water purification control method and water purification equipment

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CN114671493A true CN114671493A (en) 2022-06-28

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204550236U (en) * 2015-03-10 2015-08-12 广东汇聚环保科技有限公司 A kind of micro-waste water water-purifying machine
WO2015131422A1 (en) * 2014-03-05 2015-09-11 深圳澳特弗科技有限公司 Intense pulsation micro wastewater discharge water purification system
CN106348395A (en) * 2016-10-17 2017-01-25 珠海格力电器股份有限公司 Water purification machine system and control method for controlling system
CN206255910U (en) * 2016-11-15 2017-06-16 上海浩泽净水科技发展有限公司 A kind of counter-infiltration water manufacturing system of the Intelligent adjustment rate of recovery
CN206940637U (en) * 2017-06-20 2018-01-30 佛山市顺德区美的饮水机制造有限公司 Water cleaning systems
CN211141693U (en) * 2019-09-30 2020-07-31 中山市雅乐思净水科技有限公司 Purifier and water purifier with RO membrane washes function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015131422A1 (en) * 2014-03-05 2015-09-11 深圳澳特弗科技有限公司 Intense pulsation micro wastewater discharge water purification system
CN204550236U (en) * 2015-03-10 2015-08-12 广东汇聚环保科技有限公司 A kind of micro-waste water water-purifying machine
CN106348395A (en) * 2016-10-17 2017-01-25 珠海格力电器股份有限公司 Water purification machine system and control method for controlling system
CN206255910U (en) * 2016-11-15 2017-06-16 上海浩泽净水科技发展有限公司 A kind of counter-infiltration water manufacturing system of the Intelligent adjustment rate of recovery
CN206940637U (en) * 2017-06-20 2018-01-30 佛山市顺德区美的饮水机制造有限公司 Water cleaning systems
CN211141693U (en) * 2019-09-30 2020-07-31 中山市雅乐思净水科技有限公司 Purifier and water purifier with RO membrane washes function

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