CN105413466A - Water purifier and low-temperature temperature compensation system thereof - Google Patents

Water purifier and low-temperature temperature compensation system thereof Download PDF

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Publication number
CN105413466A
CN105413466A CN201510959428.3A CN201510959428A CN105413466A CN 105413466 A CN105413466 A CN 105413466A CN 201510959428 A CN201510959428 A CN 201510959428A CN 105413466 A CN105413466 A CN 105413466A
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CN
China
Prior art keywords
water
temperature
water purifier
heating tube
heating
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Granted
Application number
CN201510959428.3A
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Chinese (zh)
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CN105413466B (en
Inventor
李耀中
尧克光
徐新进
刘俊辉
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Solareast Holdings Co Ltd
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Solareast Holdings Co Ltd
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Priority to CN201510959428.3A priority Critical patent/CN105413466B/en
Publication of CN105413466A publication Critical patent/CN105413466A/en
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Publication of CN105413466B publication Critical patent/CN105413466B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/12Controlling or regulating
    • 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
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2311/00Details relating to membrane separation process operations and control
    • B01D2311/10Temperature control
    • B01D2311/103Heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2311/00Details relating to membrane separation process operations and control
    • B01D2311/16Flow or flux control
    • 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
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/02Temperature
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The invention discloses a water purifier and a low-temperature temperature compensation system thereof. The low-temperature temperature compensation system comprises an automatic control device, as well as a flow detector and a heating pipe mounted on a pipeline in sequence, wherein a water passage is arranged in the heating pipe, a water inlet end of the heating pipe is provided with an inlet water temperature sensor, and a water outlet end of the heating pipe is provided with an outlet water temperature sensor; the automatic control device controls the heating of the heating pipe according to temperature values detected by the inlet water temperature sensor and the outlet water temperature sensor, and a water flow rate detected by the flow detector. The low-temperature temperature compensation system of the water purifier is simple in structure, convenient to control, low in energy consumption, energy-saving and environment-friendly, the water purifier using the temperature compensation system can perform temperature compensation on the temperature of raw water under a low temperature environment, thus the yield of RO film purified water is increased, the optimal work state of an RO film is reached, and the service life of the RO film is prolonged; besides, the outlet purified water temperature is increased to a certain extent, and a user can conveniently drink.

Description

Water purifier and cryogenic temperature bucking-out system thereof
Technical field
The present invention relates to a kind of cryogenic temperature bucking-out system, particularly a kind of water purifier cryogenic temperature bucking-out system.The invention still further relates to the water purifier using this bucking-out system.
Background technology
Water purifier product has become the essential product of household electrical appliance now, water tank water purifier is had to without tank large-flow water purifier, commercial water purifier from tradition, its effluent quality and water flow all can reach certain national standard requirement in laboratory conditions, but reality is with regard to reverse osmosis water purifier, reverse osmosis membrane is by the impact of its multifrequency nature, and one of impact that its effluent quality and water flow are very close is exactly variations in temperature.The size of the pure water flow after reverse osmosis membrane filtration and the substantially proportional example of temperature change, and namely raise by the water temperature of reverse osmosis membrane the increase that corresponding pure water flow also becomes corresponding proportion.
In conjunction with the service condition of China's anti-penetration water purifier, region, north and south span causes more greatly the temperature difference comparatively large, and anti-penetration water purifier is when the area that northern China and other four seasons temperature difference are larger uses, and the impact being subject to temperature reduction is very large.When water supply water temperature is on the low side, there is serious reduction in the pure water flow after anti-penetration water purifier purification, (when even temperature is lower, the water in complete machine internal duct and filter core can be frozen).Such as RO water purifier under 5 DEG C of operating modes under relative 25 DEG C of working conditions, its pure water flow declines and reaches more than 50%.This kind of situation has just had a strong impact on the use of water purifier, has even damaged the use of water purifier.
In prior art, more anti-penetration water purifier products scheme still supply tap water at normal temperature, by anti-penetration water purifier, does not do any process.Part anti-penetration water purifier products scheme is by additional constant temperature water tank, complete machine is positioned in constant temperature water tank or in anti-penetration water purifier pipeline front end and places constant temperature water tank, improve water purifier water flowing water temperature or prevent complete machine freezed in winter, this scheme farthest can not improve pure water flow under low temperature condition in complete machine work, because in low temperature environment, filter element of water purifier, the temperature of the water flowing in filter flask and pipeline is very low, need heat exchange and the heat trnasfer of long period, the optimum temperature of temperature to reverse osmosis membrane could be improved, therefore pure water producing water ratio can not well promote.When complete machine does not use for a long time, the cooling of water temperature nature can make heating again and again, causes the waste of the energy.Heating tube is positioned over foremost, does not have the filtration of any water flowing, and larger heating tube space, can cause growing of the long-time easily fouling of heating tube and bacterium, substantially reduce the service life of product.
Summary of the invention
Technical problem to be solved by this invention is for the deficiencies in the prior art, provides a kind of rational in infrastructure, can improve the water flowing water temperature of reverse osmosis membrane filter element, promote the water purifier cryogenic temperature bucking-out system of the pure water quantum of output of anti-penetration water purifier reverse osmosis membrane.
The invention still further relates to a kind of water purifier using this bucking-out system.
Technical problem to be solved by this invention is realized by following technical scheme, the present invention is a kind of water purifier cryogenic temperature bucking-out system, be characterized in: comprise automaton and the flow detector be arranged on successively on pipeline and heating tube, aquaporin was set in described heating tube, the water inlet end of heating tube is provided with inflow temperature sensor, and the water side of heating tube is provided with leaving water temperature sensors; The discharge that the temperature value of described automaton detected by inflow temperature sensor and leaving water temperature sensors and rate of change and flow detector detect controls heating tube heating.
Technical problem to be solved by this invention can also be realized further by following technical scheme, in described water purifier cryogenic temperature bucking-out system: described automaton comprises single-chip microcomputer, single-chip microcomputer is provided with input and output, described inflow temperature sensor, leaving water temperature sensors are connected with single-chip microcomputer input respectively by holding wire with flow detector, and described heating tube is connected with the output of single-chip microcomputer.
Technical problem to be solved by this invention can also be realized further by following technical scheme, in described water purifier cryogenic temperature bucking-out system: described heating tube is provided with the body be made up of interior tube body and outer tube body, between interior tube body and outer tube body, be provided with heating element heater, cross aquaporin and be located in interior tube body.
Technical problem to be solved by this invention is realized by following technical scheme, the present invention is that a kind of water purifier comprises inlet pipeline, inlet pipeline is provided with successively stabilized pressure pump and RO membrane cartridge, described RO membrane cartridge is connected with water purification outlet pipe and dense water outlet pipe, be characterized in: on the inlet pipeline in stabilized pressure pump front, be provided with water purifier cryogenic temperature bucking-out system, described water purifier cryogenic temperature bucking-out system is the water purifier cryogenic temperature bucking-out system described in above-mentioned any one.
Technical problem to be solved by this invention can also be realized further by following technical scheme, in described water purifier: on the inlet pipeline between the heating tube and stabilized pressure pump of water purifier cryogenic temperature bucking-out system, be provided with the cotton filter core of preposition activated charcoal filter core or carbon-point filter core or pp or ultra-filtration element.
Technical problem to be solved by this invention can also be realized further by following technical scheme, in described water purifier: on the inlet pipeline in the flow detector front of water purifier cryogenic temperature bucking-out system, be provided with pressure-reducing valve and the cotton filter core of PP.
Technical problem to be solved by this invention can also be realized further by following technical scheme, in described water purifier: described water purification outlet pipe is provided with successively pressure pot and post active carbon filter core.
Technical problem to be solved by this invention can also be realized further by following technical scheme, in described water purifier: the operating temperature of described RO membrane cartridge is 15-35 DEG C; The water temperature detected when inflow temperature sensor is less than the operating temperature 15 DEG C of RO membrane cartridge, and water flowing flow reaches setting value, and namely minimum water flowing flow is 150ml/min, and automaton starts heating tube heating work; When heating tube heating work starts, namely inflow temperature sensor and leaving water temperature sensors to detect before and after heating tube water temperature value and rate of temperature change in pipeline constantly, when water inlet water temperature is less than the operating temperature 15 DEG C of RO membrane cartridge, when output water temperature is less than the operating temperature 35 DEG C of RO membrane cartridge, and water flowing flow reaches setting value, controller can continue to control heating tube heating work; Otherwise then stop heating.
Compared with prior art, water purifier cryogenic temperature bucking-out system of the present invention, structure is simple, it is convenient to control, and energy consumption is low, energy-conserving and environment-protective, use the water purifier of this temperature compensation system, under can realizing low temperature environment, temperature-compensating is carried out to former water water temperature, reaches the optimum Working of RO film, thus improve RO film pure water output and the rate of recovery, improve the service life of RO film, and certain lifting has been carried out to pure water leaving water temperature, user can be facilitated to drink; Adjust additionally by the control logic of single-chip microcomputer, the water temperature of sampling water inlet constantly, timing heated, water flowing, prevent complete machine from freezing.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of water purifier of the present invention.
Detailed description of the invention
Referring to accompanying drawing, further describe concrete technical scheme of the present invention, so that those skilled in the art understands the present invention further, and do not form the restriction to its right.
With reference to Fig. 1, a kind of water purifier cryogenic temperature bucking-out system, comprises automaton and the flow detector be arranged on successively on pipeline and heating tube.Described heating tube is provided with the body be made up of interior tube body and outer tube body, between interior tube body and outer tube body, be provided with heating element heater, is set to aquaporin in interior tube body.
The water inlet end of heating tube is provided with inflow temperature sensor, and the water side of heating tube is provided with leaving water temperature sensors; The discharge that the temperature value of described automaton detected by inflow temperature sensor and leaving water temperature sensors and flow detector detect controls heating tube heating.Automaton comprises single-chip microcomputer, and single-chip microcomputer is provided with input and output, and described inflow temperature sensor, leaving water temperature sensors are connected with single-chip microcomputer input respectively by holding wire with flow detector, and described heating tube is connected with the output of single-chip microcomputer.
A kind of water purifier, comprise inlet pipeline 3, inlet pipeline 3 is provided with successively stabilized pressure pump 9 and RO membrane cartridge 10, described RO membrane cartridge 10 is connected with water purification outlet pipe 14 and dense water outlet pipe 11, water purification outlet pipe 14 is provided with successively pressure pot 12 and post active carbon filter core 13.The inlet pipeline 3 in stabilized pressure pump 9 front is provided with above-mentioned water purifier cryogenic temperature bucking-out system.Inlet pipeline 3 between the heating tube 6 and stabilized pressure pump 9 of water purifier cryogenic temperature bucking-out system is provided with preposition activated charcoal filter core 5 and carbon-point filter core 8.The inlet pipeline 3 in flow detector 2 front of water purifier cryogenic temperature bucking-out system is provided with pressure-reducing valve and the cotton filter core 1 of PP.
By inflow temperature sensor 4 under complete machine "on" position, detect water flowing temperature value and rate of temperature change constantly, then feed back signal to single-chip microcomputer, for being carried out the judgement of logic control and duty by single-chip microcomputer, judge that heating tube 6 is the need of work.
The optimum working temperature that described RO membrane cartridge 10 works is 15-35 DEG C, and automaton arranges water flowing flow setting value.When water purifier starts, the water temperature that inflow temperature sensor 4 detects is less than the operating temperature 15 DEG C of RO membrane cartridge 10, and water flowing flow reaches setting value, and namely minimum water flowing flow is 150ml/min, and automaton starts heating tube 6 heating work.When complete machine does not start or discharge is inadequate, heating tube 6 can not start.
When heating tube 6 heating work starts, namely inflow temperature sensor 4 and leaving water temperature sensors 7 to detect before and after heating tube 6 water temperature value and rate of temperature change in pipeline constantly, when water inlet water temperature is less than the operating temperature 15 DEG C of RO membrane cartridge 10, when output water temperature is less than the operating temperature 35 DEG C of RO membrane cartridge 10, and water flowing flow reaches setting value, namely minimum water flowing flow is 150ml/min, and controller can continue to control heating tube 6 heating work; Otherwise then stop heating.

Claims (8)

1. a water purifier cryogenic temperature bucking-out system, it is characterized in that: comprise automaton and the flow detector be arranged on successively on pipeline and heating tube, aquaporin was set in described heating tube, the water inlet end of heating tube is provided with inflow temperature sensor, and the water side of heating tube is provided with leaving water temperature sensors; The discharge that the temperature value of described automaton detected by inflow temperature sensor and leaving water temperature sensors and flow detector detect controls heating tube heating.
2. water purifier cryogenic temperature bucking-out system according to claim 1, it is characterized in that: described automaton comprises single-chip microcomputer, single-chip microcomputer is provided with input and output, described inflow temperature sensor, leaving water temperature sensors are connected with single-chip microcomputer input respectively by holding wire with flow detector, and described heating tube is connected with the output of single-chip microcomputer.
3. water purifier cryogenic temperature bucking-out system according to claim 1, is characterized in that: described heating tube is provided with the body be made up of interior tube body and outer tube body, between interior tube body and outer tube body, be provided with heating element heater, crosses aquaporin and is located in interior tube body.
4. a water purifier, comprise inlet pipeline, inlet pipeline is provided with successively stabilized pressure pump and RO membrane cartridge, described RO membrane cartridge is connected with water purification outlet pipe and dense water outlet pipe, it is characterized in that: on the inlet pipeline in stabilized pressure pump front, be provided with water purifier cryogenic temperature bucking-out system, described water purifier cryogenic temperature bucking-out system is the water purifier cryogenic temperature bucking-out system described in any one of claim 1-3.
5. water purifier according to claim 4, is characterized in that: on the inlet pipeline between the heating tube and stabilized pressure pump of water purifier cryogenic temperature bucking-out system, be provided with the cotton filter core of preposition activated charcoal filter core or carbon-point filter core or pp or ultra-filtration element.
6. water purifier according to claim 4, is characterized in that: on the inlet pipeline in the flow detector front of water purifier cryogenic temperature bucking-out system, be provided with pressure-reducing valve and the cotton filter core of PP.
7. water purifier according to claim 4, is characterized in that: described water purification outlet pipe is provided with successively pressure pot and post active carbon filter core.
8. water purifier according to claim 4, is characterized in that: the operating temperature of described RO membrane cartridge is 15-35 DEG C; The water temperature detected when inflow temperature sensor is less than the operating temperature 15 DEG C of RO membrane cartridge, and water flowing flow reaches setting value, and automaton starts heating tube heating work; When heating tube heating work starts, namely inflow temperature sensor and leaving water temperature sensors to detect before and after heating tube water temperature value and rate of temperature change in pipeline constantly, when water inlet water temperature is less than the operating temperature 15 DEG C of RO membrane cartridge, when output water temperature is less than the operating temperature 35 DEG C of RO membrane cartridge, and water flowing flow reaches setting value, controller can continue to control heating tube heating work; Otherwise then stop heating.
CN201510959428.3A 2015-12-21 2015-12-21 Water purifier and its cryogenic temperature compensation system Expired - Fee Related CN105413466B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106587406A (en) * 2016-11-17 2017-04-26 佛山市云米电器科技有限公司 Hot and cold water dispensing purifier and control method thereof
CN107544588A (en) * 2017-08-23 2018-01-05 湖北华电襄阳发电有限公司 A kind of open circulating water thermal power plant raw water temperature adjusting structure and regulation and control method
CN107590917A (en) * 2017-10-30 2018-01-16 冯涛 Water purifier processing method, system and water purifier
CN107915361A (en) * 2016-10-11 2018-04-17 青岛经济技术开发区海尔热水器有限公司 A kind of water bar system of wastewater zero discharge
CN110479101A (en) * 2019-08-22 2019-11-22 珠海格力智能装备有限公司 Water heating method and system, the urea for vehicle intelligent machine of target device
CN112050459A (en) * 2020-08-31 2020-12-08 宁波方太厨具有限公司 Water purification system, control method thereof and water purifier
CN115771976A (en) * 2022-12-22 2023-03-10 珠海格力电器股份有限公司 Water purification equipment and control method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10174970A (en) * 1996-12-16 1998-06-30 Fui Ton Chung Raw water temperature adjusting apparatus for water purifier
CN203256050U (en) * 2013-03-29 2013-10-30 邱梦红 Irregular pipeline water purifier
CN104828969A (en) * 2014-02-10 2015-08-12 美的集团股份有限公司 Water purification equipment and control method thereof
CN205435487U (en) * 2015-12-21 2016-08-10 日出东方太阳能股份有限公司 Water purifier and low temperature temperature compensating system thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10174970A (en) * 1996-12-16 1998-06-30 Fui Ton Chung Raw water temperature adjusting apparatus for water purifier
CN203256050U (en) * 2013-03-29 2013-10-30 邱梦红 Irregular pipeline water purifier
CN104828969A (en) * 2014-02-10 2015-08-12 美的集团股份有限公司 Water purification equipment and control method thereof
CN205435487U (en) * 2015-12-21 2016-08-10 日出东方太阳能股份有限公司 Water purifier and low temperature temperature compensating system thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107915361A (en) * 2016-10-11 2018-04-17 青岛经济技术开发区海尔热水器有限公司 A kind of water bar system of wastewater zero discharge
CN107915361B (en) * 2016-10-11 2020-05-26 青岛经济技术开发区海尔热水器有限公司 Water bar system with zero discharge of waste water
CN106587406A (en) * 2016-11-17 2017-04-26 佛山市云米电器科技有限公司 Hot and cold water dispensing purifier and control method thereof
CN107544588A (en) * 2017-08-23 2018-01-05 湖北华电襄阳发电有限公司 A kind of open circulating water thermal power plant raw water temperature adjusting structure and regulation and control method
CN107590917A (en) * 2017-10-30 2018-01-16 冯涛 Water purifier processing method, system and water purifier
CN110479101A (en) * 2019-08-22 2019-11-22 珠海格力智能装备有限公司 Water heating method and system, the urea for vehicle intelligent machine of target device
CN112050459A (en) * 2020-08-31 2020-12-08 宁波方太厨具有限公司 Water purification system, control method thereof and water purifier
CN115771976A (en) * 2022-12-22 2023-03-10 珠海格力电器股份有限公司 Water purification equipment and control method thereof

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Address after: 222000 199 Yingzhou South Road, Haizhou District, Lianyungang, Jiangsu

Patentee after: Sunrise Oriental Holdings Co.,Ltd.

Address before: 222000 199 Yingzhou South Road, Haizhou District, Lianyungang, Jiangsu

Patentee before: RICHU DONGFANG SOLAR ENERGY Co.,Ltd.

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Granted publication date: 20180710