CN110479491A - A kind of electrostatic precipitator free of cleaning - Google Patents

A kind of electrostatic precipitator free of cleaning Download PDF

Info

Publication number
CN110479491A
CN110479491A CN201910784877.7A CN201910784877A CN110479491A CN 110479491 A CN110479491 A CN 110479491A CN 201910784877 A CN201910784877 A CN 201910784877A CN 110479491 A CN110479491 A CN 110479491A
Authority
CN
China
Prior art keywords
water
collecting plate
storage tank
free
water storage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910784877.7A
Other languages
Chinese (zh)
Inventor
曾焕雄
肖德玲
王墅
张述文
封宗瑜
王堃
肖利容
王贤波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201910784877.7A priority Critical patent/CN110479491A/en
Publication of CN110479491A publication Critical patent/CN110479491A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/40Electrode constructions
    • B03C3/45Collecting-electrodes
    • B03C3/47Collecting-electrodes flat, e.g. plates, discs, gratings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/74Cleaning the electrodes
    • B03C3/78Cleaning the electrodes by washing

Abstract

This application provides a kind of electrostatic precipitators free of cleaning, comprising: collecting plate, surface has charge, for attracting the dust of oppositely charged;Moisture film forms unit, is used for the surface in the collecting plate and forms moisture film;Cycling element is filtered the moisture film of the carrying dust flowed down from the dust plate surface, and filtered water is supplied to the moisture film and forms unit.The dust-extraction unit reduces the accumulation of dust, solves the trouble of often cleaning collecting plate, and security risk is few, the dust-extraction unit service life is high.Water in water storage tank can be recycled, and save water resource.

Description

A kind of electrostatic precipitator free of cleaning
Technical field
The present invention relates to dedusting technology fields, more specifically, designing a kind of electrostatic precipitator free of cleaning.
Background technique
Existing electrostatic precipitator after dedusting after a period of time, can accumulate dust, and there are certain when sparking Danger, and the dust accumulated also will affect efficiency of dust collection.When artificial cleaning, collecting plate will be accidentally staved, and often clear It does not wash clean.
A kind of horizontal wet electrostatic precipitator water membrane formation device of the patent disclosure of Patent No. CN105536998A, Water membrane is formed on the surface of collecting plate, to reduce the trouble of cleaning, inhibits sparking electric discharge, improves efficiency of dust collection.But the hair In bright, collecting plate is easy electrochemical corrosion, and moisture film is easy to be splashed to discharge electrode from collecting plate, influences making for entire deduster With.And water route does not have circulating path, not only causes water resource waste, and dust accumulation is easy to cause discharge pipe line blocking etc. to ask Topic.
Summary of the invention
For above-mentioned the problems of the prior art, present applicant proposes a kind of electrostatic precipitators free of cleaning, for solving Above-mentioned collecting plate is easy to be corroded, and water route does not have the problem of circulating path.
According to the electrostatic precipitator free of cleaning of the application, comprising:
Collecting plate is used to attract the dust for having opposite charges;
Moisture film forms unit, is used for the surface in the collecting plate and forms moisture film;
Cycling element is filtered the moisture film of the carrying dust flowed down from the dust plate surface, and will be after filtering Water be supplied to the moisture film and form unit.
In one embodiment, it is the nozzle that the collecting plate upper side is arranged in that the moisture film, which forms unit, described The ejiction opening of nozzle is towards the surface of the collecting plate.
In one embodiment, the surface of the water flow and the collecting plate that spray from the nozzle is in 45 degree of angles.
In one embodiment, the cycling element includes:
The lower section of the collecting plate is arranged in water storage tank, for collecting the moisture film flowed down from the surface of the collecting plate;
First water pump is used to for the water in the water storage tank being pumped to the moisture film and forms unit;
Circulating line, connects the water storage tank and first water pump, the circulating line are connect with the water storage tank One end be equipped with filter, the filter be used for filter entrance the circulating line water.
In one embodiment, the inner wall of the circulating line is equipped with pressure sensor, for feeding back the circulation pipe Hydraulic signal in road.
In one embodiment, further include with the spaced discharge electrode of the collecting plate, the discharge electrode with it is described The polarity of collecting plate is opposite.
It in one embodiment, further include linkage electromagnetic valve and control unit, the linkage electromagnetic valve and the water pump Water outlet connection, when the hydraulic pressure of the water outlet reaches preset value, described control unit controls the linkage electromagnetic valve and beats It opens.
In one embodiment, the collecting plate is using the material system that surface hydrophilicity is strong, corrosion-resistant and electric conductivity is strong At.
In one embodiment, the collecting plate is made of electric silica gel or conductive phenolic aldehyde.
It in one embodiment, further include insulation crust, the bottom of the insulation crust is equipped with pedestal, the collecting plate It is vertically arranged on the base.
In one embodiment, it is additionally provided with collecting plate fixing clamp on the pedestal, is used to fix the collecting plate On the base.
In one embodiment, the water storage tank is made of transparent visual material.
In one embodiment, the water storage tank is equipped with water-exchanging system, and the water-exchanging system is for being discharged the water storage Sewage in slot simultaneously conveys clear water thereto.
In one embodiment, the water-exchanging system includes drain valve, inlet valve and setting in the water storage tank the Second liquid level sensor of the first liquid level sensor of one specified liquid level and the second specified liquid level,
When first liquid level sensor detects the water in the water storage tank lower than the first specified liquid level, the control Unit controls the drain valve and closes, and stops draining, while controlling the inlet valve and opening, and conveying is clear in Xiang Suoshu water storage tank Water,
When second liquid level sensor detects that the water in the water storage tank reaches the second specified liquid level, the control Unit controls the inlet valve and closes, and stops conveying clear water to the water storage tank.
Compared with prior art, the application has the following advantages:
1) by forming moisture film in dust plate surface, dust is fallen on the moisture film of collecting plate, and washes away along moisture film, from And reduce the accumulation of dust, solve the trouble of often cleaning collecting plate.
2) collecting plate selects the material that hydrophily is strong, acid-alkali-corrosive-resisting and electric conductivity are strong to be made, and avoids collecting plate because of electrification Corrosion caused by reaction is learned, and because of the strongly hydrophilic of collecting plate, is capable of forming the moisture film for being close to dust plate surface, prevents water from splashing Out, reduce sparking risk, and then reduce security risk, improve the service life of dust-extraction unit.
3) by the way that cycling element is arranged, the water in water storage tank can be recycled, and save water resource.
4) pressure sensor is provided in circulating line, when the hydraulic pressure in circulating line is lower than a certain preset value (at this point, Illustrate to have accumulated a large amount of dusts in filter, the water in water storage tank, which can not be successfully, reaches circulating line), pressure sensor is to processing Device feedback signal reminds cleaning filter in time.
5) water storage tank is made of visual transparent material, water wherein is dirty need replacing when, it is automatic by water-exchanging system Water is drained and added, automation and intelligence are realized.
Above-mentioned technical characteristic may be combined in various suitable ways or be substituted by equivalent technical characteristic, as long as can reach To the purpose of the present invention.
Detailed description of the invention
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein:
Fig. 1 shows a kind of main view of electrostatic precipitator free of cleaning according to the application.
Fig. 2 shows the top view of collecting plate and discharge electrode in Fig. 1.
In the accompanying drawings, identical component uses identical appended drawing reference.Attached drawing is not according to actual ratio.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 shows that a kind of electrostatic precipitator free of cleaning according to the application, including collecting plate 10, moisture film form unit 20 and cycling element 30.
Collecting plate 10 is used to attract the dust with opposite charges.In a specific embodiment, with reference to Fig. 2, the application Electrostatic precipitator free of cleaning further include discharge electrode 6, discharge electrode 6 is generally plate with end points or diameter is lesser Steel wire.For example, discharge electrode 6 is the cathode line for being connected to high-voltage DC power supply, and collecting plate 10 is used as anode plate, in discharge electrode 6 High voltage electric field is formed between collecting plate 10, when electronegative gas ion passes through from the high voltage electric field, due to cathodic discharge, gas Body is ionized, at this point, electronegative gas ion is under the action of electric field force, is moved to collecting plate 10, in moving process with Dust granule collides, and keeps dust granule negatively charged, and electronegative dust granule under the action of electric field force, is moved to collecting plate 10 It is dynamic, and it is adsorbed on 10 surface of collecting plate.
Moisture film forms the surface that unit 20 is used in collecting plate 10 and forms moisture film 1.Cycling element 30 is to from 10 table of collecting plate The moisture film of carrying dust under surface current is filtered, and filtered water is supplied to moisture film and forms unit 20.
Preferably, it is the nozzle 2 that 10 upper side of collecting plate is arranged in, the ejiction opening direction of nozzle 2 that moisture film, which forms unit 20, The surface of collecting plate 10.The quantity of nozzle 2 can be one or more, and in the embodiment shown in fig. 1, nozzle 2 is two.It is excellent Selection of land, the surface of water flow and collecting plate 10 that nozzle 2 sprays are in 45 degree of angles.
In the embodiment shown in fig. 1, cycling element 30 includes water storage tank 31, the first water pump 32, circulating line 33 and mistake Filter 34.The lower section of collecting plate 10 is arranged in water storage tank 31, for collecting the moisture film 1 flowed down from the surface of collecting plate 10.First The water inlet 321 of water pump 32 connects circulating line 33, forms unit 20 for the water in water storage tank 31 to be pumped to moisture film.Circulation Pipeline 33 connects institute's water storage tank 31 and the first water pump 32, and one end that circulating line 33 is connect with water storage tank 31 is equipped with filter 34, Filter 34 is used to filter the water into circulating line 33.
Preferably, the inner wall of circulating line 33 is equipped with pressure sensor, for the hydraulic signal in feedback cycle pipeline 33. It when accumulating certain dust on filter 34, will be reduced into the water in circulating line 33, correspondingly, hydraulic pressure can also drop Low, so that hydraulic signal is fed back to processor by pressure sensor, processor prompts user to replace filter 34.
In embodiment shown in FIG. 1, which further includes linkage electromagnetic valve 3 and control unit, linkage electromagnetic valve 3 with The water outlet 322 of water pump 32 connects.The dust-extraction unit according to the application is opened, the first water pump 32 is opened, when water outlet 322 reaches When certain hydraulic pressure, control unit controls (normally closed) opening of linkage electromagnetic valve 3, and cycling element 30 is started to work.If filter 34 is stifled When plug, the hydraulic pressure for reaching water outlet 322 will become smaller, and when preset hydraulic pressure is not achieved in it, linkage electromagnetic valve 3, which still maintains, is closed Conjunction state, dust-extraction unit can not work at this time, and user can check that filter 34 checks.
Using hydrophily, strong, corrosion-resistant and strong electric conductivity material is made collecting plate 10.Preferably, collecting plate 10 is used and is led Electric silica gel or conductive phenolic aldehyde are made.
Dust-extraction unit according to the application further includes insulation crust 5, and the bottom of insulation crust 5 is equipped with pedestal 51, collecting plate 10 are vertically arranged on pedestal 51.Preferably, it is additionally provided with collecting plate fixing clamp 52 on pedestal 51, be used for collecting plate 10 is fixed On pedestal 51.
In a specific embodiment, water storage tank 31 is made of transparent visual material.When the water in water storage tank 31 is dirty, It can be observed by the transparent visual material, be then turned on water-exchanging system, water-exchanging system is used for the dirt being discharged in water storage tank 31 Water simultaneously conveys clear water thereto.Specifically, water-exchanging system includes drain valve and inlet valve, and setting is specified in water storage tank first Second liquid level sensor of the first liquid level sensor of liquid level and the second specified liquid level.Wherein, the first liquid level sensor is generally set It sets in the bottom of water storage tank 31, the first specified liquid level is generally the liquid level of 31 bottom of water storage tank, and the second liquid level sensor is generally set It sets on the top of water storage tank 31, the second specified liquid level is the liquid level on 31 top of water storage tank.Storage is detected in the first liquid level sensor When water in sink 31 is lower than the first specified liquid level (namely water in water storage tank 31 it is drained or will be drained when), control unit control Drain valve processed is closed, and draining is stopped, while controlling inlet valve unlatching, conveys clear water into water storage tank 31.In the second level sensing When (namely when piling water in water storage tank 31 or piling water substantially) device detects that the water in water storage tank 31 reaches the second specified liquid level, Control unit controls inlet valve and closes, and stops conveying clear water to water storage tank 31.Be achieved in water storage tank 31 Auto-drainage and from Dynamic plus water.
In conclusion the application has the following advantages:
1) by forming moisture film in dust plate surface, dust is fallen on the moisture film of collecting plate, and washes away along moisture film, from And reduce the accumulation of dust, solve the trouble of often cleaning collecting plate.
2) collecting plate selects the material that hydrophily is strong, acid-alkali-corrosive-resisting and electric conductivity are strong to be made, and avoids collecting plate because of electrification Corrosion caused by reaction is learned, and because of the strongly hydrophilic of collecting plate, is capable of forming the moisture film for being close to dust plate surface, prevents water from splashing Out, reduce sparking risk, and then reduce security risk, improve the service life of dust-extraction unit.
3) by the way that cycling element is arranged, the water in water storage tank can be recycled, and save water resource.
4) pressure sensor is provided in circulating line, when the hydraulic pressure in circulating line is lower than a certain preset value (at this point, Illustrate to have accumulated a large amount of dusts in filter, the water in water storage tank, which can not be successfully, reaches circulating line), pressure sensor is to processing Device feedback signal reminds user to clear up filter in time.
5) water storage tank is made of visual transparent material, water wherein is dirty need replacing when, it is automatic by water-exchanging system Water is drained and added, automation and intelligence are realized.
In the description of the present invention, it is to be understood that, term " on ", "lower", "bottom", "top", "front", "rear", "inner", The orientation or positional relationship of the instructions such as "outside", "left", "right" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.
Although describing the present invention herein with reference to specific embodiment, it should be understood that, these realities Apply the example that example is only principles and applications.It should therefore be understood that can be carried out to exemplary embodiment Many modifications, and can be designed that other arrangements, without departing from spirit of the invention as defined in the appended claims And range.It should be understood that different appurtenances can be combined by being different from mode described in original claim Benefit requires and feature described herein.It will also be appreciated that the feature in conjunction with described in separate embodiments can be used In other described embodiments.

Claims (14)

1. a kind of electrostatic precipitator free of cleaning characterized by comprising
Collecting plate is used to attract the dust of oppositely charged;
Moisture film forms unit, is used for the surface in the collecting plate and forms moisture film;
Cycling element is filtered the moisture film of the carrying dust flowed down from the dust plate surface, and by filtered water It is supplied to the moisture film and forms unit.
2. electrostatic precipitator free of cleaning according to claim 1, which is characterized in that it includes setting that the moisture film, which forms unit, Set the nozzle in the collecting plate upper side, the ejiction opening of the nozzle is towards the surface of the collecting plate.
3. electrostatic precipitator free of cleaning according to claim 2, which is characterized in that from the nozzle spray water flow with The surface of the collecting plate is in 45 degree of angles.
4. electrostatic precipitator free of cleaning according to claim 1, which is characterized in that the cycling element includes:
The lower section of the collecting plate is arranged in water storage tank, for collecting the moisture film flowed down from the surface of the collecting plate;
First water pump is used to for the water in the water storage tank being pumped to the moisture film and forms unit;
Circulating line, connects the water storage tank and first water pump, the circulating line connect with the water storage tank one End is equipped with filter, and the filter is used to filter the water into the circulating line.
5. electrostatic precipitator free of cleaning according to claim 4, which is characterized in that the inner wall of the circulating line is equipped with Pressure sensor, for feeding back the hydraulic signal in the circulating line.
6. electrostatic precipitator free of cleaning according to claim 1, which is characterized in that further include and the collecting plate interval The discharge electrode of setting, the discharge electrode are opposite with the polarity of the collecting plate.
7. electrostatic precipitator free of cleaning according to claim 4, which is characterized in that further include linkage electromagnetic valve and control Unit, the linkage electromagnetic valve are connect with the water outlet of the water pump, described when the hydraulic pressure of the water outlet reaches preset value Control unit controls the linkage electromagnetic valve and opens.
8. electrostatic precipitator free of cleaning according to claim 1, which is characterized in that the collecting plate uses surface hydrophilic Strong, the corrosion-resistant and strong electric conductivity material of property is made.
9. electrostatic precipitator free of cleaning according to claim 8, which is characterized in that the collecting plate uses electric silica gel Or conductive phenolic aldehyde is made.
10. -9 described in any item electrostatic precipitators free of cleaning according to claim 1, which is characterized in that further include that insulation is outer The bottom of shell, the insulation crust is equipped with pedestal, and the collecting plate is vertically arranged on the base.
11. electrostatic precipitator free of cleaning according to claim 10, which is characterized in that be additionally provided with dust on the pedestal Plate fixing clamp is used for the collecting plate is fixed on the base.
12. electrostatic precipitator free of cleaning according to claim 7, which is characterized in that the water storage tank is by transparent visual Material is made.
13. electrostatic precipitator free of cleaning according to claim 12, which is characterized in that the water storage tank is equipped with and changes water system It unites, the sewage that the water-exchanging system is used to be discharged in the water storage tank simultaneously conveys clear water thereto.
14. electrostatic precipitator free of cleaning according to claim 13, which is characterized in that the water-exchanging system includes draining Valve, inlet valve and be arranged in the water storage tank first specify liquid level the first liquid level sensor and the second specified liquid level second Liquid level sensor,
When first liquid level sensor detects the water in the water storage tank lower than the first specified liquid level, described control unit It controls the drain valve to close, stops draining, while controlling the inlet valve and opening, convey clear water in Xiang Suoshu water storage tank,
When second liquid level sensor detects that the water in the water storage tank reaches the second specified liquid level, described control unit It controls the inlet valve to close, stops conveying clear water to the water storage tank.
CN201910784877.7A 2019-08-23 2019-08-23 A kind of electrostatic precipitator free of cleaning Pending CN110479491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910784877.7A CN110479491A (en) 2019-08-23 2019-08-23 A kind of electrostatic precipitator free of cleaning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910784877.7A CN110479491A (en) 2019-08-23 2019-08-23 A kind of electrostatic precipitator free of cleaning

Publications (1)

Publication Number Publication Date
CN110479491A true CN110479491A (en) 2019-11-22

Family

ID=68553343

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910784877.7A Pending CN110479491A (en) 2019-08-23 2019-08-23 A kind of electrostatic precipitator free of cleaning

Country Status (1)

Country Link
CN (1) CN110479491A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000107636A (en) * 1998-10-01 2000-04-18 Hitachi Plant Eng & Constr Co Ltd Washing water treatment system for dust collecting plate in wet electric precipitator
CN103394257A (en) * 2013-07-29 2013-11-20 汉王科技股份有限公司 Electronic air purifying device and method
CN204039776U (en) * 2014-08-19 2014-12-24 松下家电研究开发(杭州)有限公司 A kind of washing machine with automatically cleaning circulated filter system
CN104353556A (en) * 2014-11-04 2015-02-18 江苏科行环境工程技术有限公司 Spray washing device of wet type electric dust remover
CN104524898A (en) * 2014-12-01 2015-04-22 苏州盟通利机电设备有限公司 Washing type air purifier structure
CN204799423U (en) * 2015-06-11 2015-11-25 江苏绿都环境工程有限公司 Novel wet -type electrostatic precipitator
CN105536993A (en) * 2015-12-10 2016-05-04 山东大学 Preparation method for carbon steel anode plate surface modification by using epoxy resin layer to bond glass fibers
CN206728925U (en) * 2017-04-19 2017-12-12 中山市如日新能源科技有限公司 A kind of cultivation apparatus with automatic cleaning function filter
CN108043585A (en) * 2018-01-22 2018-05-18 浙江南源环境工程技术有限公司 Wet cottrell prevents electric field flashover adjustment control membrane system
CN109894280A (en) * 2019-03-21 2019-06-18 深圳市天得一环境科技有限公司 The electrostatic oil-mist purifying equipment of moisture film

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000107636A (en) * 1998-10-01 2000-04-18 Hitachi Plant Eng & Constr Co Ltd Washing water treatment system for dust collecting plate in wet electric precipitator
CN103394257A (en) * 2013-07-29 2013-11-20 汉王科技股份有限公司 Electronic air purifying device and method
CN204039776U (en) * 2014-08-19 2014-12-24 松下家电研究开发(杭州)有限公司 A kind of washing machine with automatically cleaning circulated filter system
CN104353556A (en) * 2014-11-04 2015-02-18 江苏科行环境工程技术有限公司 Spray washing device of wet type electric dust remover
CN104524898A (en) * 2014-12-01 2015-04-22 苏州盟通利机电设备有限公司 Washing type air purifier structure
CN204799423U (en) * 2015-06-11 2015-11-25 江苏绿都环境工程有限公司 Novel wet -type electrostatic precipitator
CN105536993A (en) * 2015-12-10 2016-05-04 山东大学 Preparation method for carbon steel anode plate surface modification by using epoxy resin layer to bond glass fibers
CN206728925U (en) * 2017-04-19 2017-12-12 中山市如日新能源科技有限公司 A kind of cultivation apparatus with automatic cleaning function filter
CN108043585A (en) * 2018-01-22 2018-05-18 浙江南源环境工程技术有限公司 Wet cottrell prevents electric field flashover adjustment control membrane system
CN109894280A (en) * 2019-03-21 2019-06-18 深圳市天得一环境科技有限公司 The electrostatic oil-mist purifying equipment of moisture film

Similar Documents

Publication Publication Date Title
US8252187B2 (en) Particle separator
US6613202B2 (en) Tank batch electrochemical water treatment process
CN111059649A (en) Dehumidifier with multifunctional drainage function and drainage method
CN110479491A (en) A kind of electrostatic precipitator free of cleaning
CN113229758A (en) Cleaning structure
CN212442286U (en) Insulator belt cleaning device
JP4458862B2 (en) Unpainted paint recovery device
CN210975945U (en) Automatic control system of household wastewater recycling device
CN207031156U (en) Water tank
US6513187B1 (en) Continuous carpet cleaning system
CN209237516U (en) A kind of dross mud scum cleaning plant
CN206308156U (en) A kind of automatic water purifier
CN209989107U (en) Automatic oil gathering device in oil-water separation treatment system
CN217162009U (en) Floor mopping machine assembly and base station thereof
CN217162008U (en) Floor mopping machine assembly
CN210135092U (en) Water pump with automatic pumping function
CN217285651U (en) Clear water tank, base station and floor mopping machine assembly for base station
CN108661123A (en) A kind of kitchen waste water recovery system
CN204582840U (en) Special low-voltage water circulation control system on hydrofilter
CN212513204U (en) Washing tank for gas analysis
CN212396220U (en) Chemical industry tail gas washing processing apparatus
CN216256939U (en) Cleaning device base station
CN209778538U (en) Multistage sewage electric flocculation treatment system
CN208577476U (en) Water purifier wastewater recycling system
CN106703134A (en) Domestic indoor water-saving device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20191122