CN106179751B - A kind of plate shaped micro- electrostatic filter - Google Patents

A kind of plate shaped micro- electrostatic filter Download PDF

Info

Publication number
CN106179751B
CN106179751B CN201610780961.8A CN201610780961A CN106179751B CN 106179751 B CN106179751 B CN 106179751B CN 201610780961 A CN201610780961 A CN 201610780961A CN 106179751 B CN106179751 B CN 106179751B
Authority
CN
China
Prior art keywords
dust collection
collection module
plate
module
passage
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.)
Active
Application number
CN201610780961.8A
Other languages
Chinese (zh)
Other versions
CN106179751A (en
Inventor
刘俊杰
张志伟
陈文华
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.)
Tianjin Zhongtian Environmental Technology Co., Ltd
Original Assignee
Tianjin University
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 Tianjin University filed Critical Tianjin University
Priority to CN201610780961.8A priority Critical patent/CN106179751B/en
Publication of CN106179751A publication Critical patent/CN106179751A/en
Application granted granted Critical
Publication of CN106179751B publication Critical patent/CN106179751B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B03C3/41Ionising-electrodes
    • 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
    • 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
    • B03C3/86Electrode-carrying means

Landscapes

  • Electrostatic Separation (AREA)

Abstract

The invention discloses a kind of plate shaped micro- electrostatic filter, and it includes field electricity module and dust collection module, and discharge electrode is located at discharge cavities center, and conducting rod is sequentially connected discharge electrode, and dust collection module is made up of dust collection module passage.The positive plate and negative plate of dust collection module passage are all made up of metal electrode and face coat.The present invention is compared with other electrostatic filters, and particulate pollutant carrying capacity is bigger, and filter efficiency is higher;Along air-flow direction, dust collection module channel interior is Laminar Flow, and filter efficiency is higher, and air-out is more uniform, channel cross-section of different shapes, can meet different mechanical strengths and resistance, expands the scope of application of electrostatic filter.

Description

A kind of plate shaped micro- electrostatic filter
Technical field
The present invention relates to ventilation cleaning field, and in particular to a kind of plate shaped micro- electrostatic filter.
Background technology
As the improvement of people's living standards, indoor air quality has been to be concerned by more and more people.Indoor air quality Directly affect the health and comfortableness of human body.Due to indoor pollutant source and species increase and building tightness Increase, the touch opportunity increase of indoor crowd and pollutant, interior can be effectively improved using purification of air and new wind devices Air quality.In recent years, the environmental problem such as haze, sandstorm is more serious, and this technology to purification of air and VMC carries Higher requirement is gone out.
Micro- electrostatic technique, refer to utilize the highfield that dielectric substance is carrier.Dielectric substance forms cellular micro- Passage, dielectric parcel electrode slice, forms strong electric field in passage.It applies huge to the charged particle moved in air Attraction, moving particles in almost 100% air can be adsorbed while minimum air flow impedance is only produced, to PM2.5 Removal effect Deng particulate pollutant is especially pronounced.Meanwhile bacterium, the microorganism etc. that can be will be attached on particulate matter collect and Killed in highfield, there are efficient degerming functions.
The A of Chinese utility model patent CN 104697103 propose a kind of fresh air ventilator with electrostatic precipitation function, Including:Housing, air inlet pipeline, exhaust pipeline, heat exchanger core and filter assemblies, filter assemblies include micro- electrostatic precipitation plate and ozone Adsorption plate.The shortcomings that design:1) the charged module of micro- electrostatic and micro- electrostatic depuration filter screen are all slab constructions, limit answering for it Use scope;2) filter efficiency of filter assemblies increases with the time, declines very fast.
The A of Chinese invention patent CN 104697103, Chinese utility model patent CN204404405 U and CN204739693 U employs micro- electrostatic technique, and field electricity module and dust collection module are all slab constructions, but form is single, limit its application Scope.
The quality of indoor air quality is the livelihood issues of the protrusion that China town dweller generally faces and is concerned about at this stage, It is related to the health and vital interests of several hundred million common people.To improve the air quality that people live with workplace, there is an urgent need to have The ventilation equipment of strainability.Make a general survey of situation in recent ten years both at home and abroad, the technology of purification of air and VMC face as Lower challenge:1) comfortableness --- indoor ventilating system needs low noise and controlled air current composition, meanwhile, with the sky of outdoor Gas Quality Down to fresh air, it is necessary to be purified and heat and wet treatment;2) security --- purification of air and VMC are to sky Gas should not produce harmful side product while processing;3) high efficiency --- purification of air and VMC can continue efficiently Handle to rate air pollutants and easy to maintenance;4) it is intelligent --- purification of air and VMC can be according to indoor and outdoor airs Quality, Intelligent adjustment operation conditions, meet the requirement of indoor air quality under different condition;5) aesthetic property --- purification of air and VMC can not destroy the aesthetic property and integrality of Discussion on architecture while its function is realized.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of application for expanding micro- electrostatic technique, It is various informative, plate shaped micro- electrostatic filter of different mechanical strengths and resistance can be met.
To achieve the above object, a kind of plate shaped micro- electrostatic filter of the invention, including the front and rear field electricity being fixedly linked Module and dust collection module, the field electricity module and dust collection module include insulating rectangular mount structure respectively, in described field electricity module Insulating rectangular mount structure on front side of on be fixed with field electricity module metallic plate, on described field electricity module metallic plate between the upper and lower every Be provided with multiple rows of discharge cavities, each row's discharge cavities include the spaced multiple discharge cavities in left and right, electric module on the scene it is exhausted One is connected in the horizontal direction relative to the position of each row's discharge cavities between the left and right sidewall of edge rectangular frame structure Conducting rod, a discharge electrode is respectively fixed with position of each conducting rod relative to each discharge cavities, it is described Discharge electrode is respectively inserted in the discharge cavities being correspondingly arranged in the horizontal direction, and multiple conducting rods are connected to form field electricity mould by wire Block power cathode, described field electricity module metallic plate connects with metallic rod or wire forms field electricity modular power source positive pole, in institute Dust collection module metallic plate is fixed with the front side of the insulating rectangular mount structure for the dust collection module stated, in described dust collection module metal Be provided with multiple rows of dust collection module passage for being sequentially connected up and down on plate, the dust collection module passage described in each row include multiple left and right according to Secondary connected dust collection module passage, the partition of the neighbouring dust collection module passage are alternatively set as negative plate and positive pole Plate, the negative plate described in whole is connected by wire forms dust collection module power cathode, and the positive plate described in whole passes through wire Connect and form dust collection module positive source, multiple dust collection module positive sources are connected with the first wire jointly, multiple dust collection modules Power cathode is connected with the second wire jointly, and described positive plate and negative plate include pole plate metal electrode and be respectively coated In the polar board surface coating of described pole plate metal electrode roof and bottom wall, the passage of two adjacent dust collection module passages of left and right Partition is selected and the polar board surface coating identical material.
Using the beneficial effects of the invention are as follows:(1) particulate pollutant carrying capacity is bigger, and filter efficiency is higher;(2) along sky Flow of air direction, dust collection module channel interior are Laminar Flow, and filter efficiency is higher, and air-out is more uniform;(3) channel cross-section It is various informative, different mechanical strengths and resistance can be met, expand the scope of application of electrostatic filter;(4) field electricity Module and dust collection module can meet different be actually needed with designed, designed with combination.
Brief description of the drawings
Fig. 1 is micro- electrostatic technique schematic diagram in a kind of plate shaped micro- electrostatic filter of the present invention;
Fig. 2 is a kind of the first structure chart of plate shaped micro- electrostatic filter field electricity module of the present invention;
Fig. 3 is a kind of second of structure chart of plate shaped micro- electrostatic filter field electricity module of the present invention;
Fig. 4 is a kind of the third structure chart of plate shaped micro- electrostatic filter field electricity module of the present invention;
Fig. 5 is a kind of the first structure chart of plate shaped micro- electrostatic filter discharge electrode of the present invention;
Fig. 6 is a kind of second of structure chart of plate shaped micro- electrostatic filter discharge electrode of the present invention
Fig. 7 is a kind of the first structure chart of plate shaped micro- electrostatic filter dust collection module passage of the present invention;
Fig. 8 is a kind of second of structure chart of plate shaped micro- electrostatic filter dust collection module passage of the present invention;
Fig. 9 is a kind of the third structure chart of plate shaped micro- electrostatic filter dust collection module passage of the present invention;
Figure 10 is a kind of the 4th kind of structure chart of plate shaped micro- electrostatic filter dust collection module passage of the present invention;
Figure 11 is a kind of structure chart of plate shaped micro- electrostatic filter dust collection module pole plate of the present invention;
Figure 12 is a kind of structure chart of plate shaped micro- electrostatic filter dust collection module passage of the present invention.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
A kind of plate shaped micro- electrostatic filter of the present invention as shown in drawings, including the front and rear field electricity module being fixedly linked 1 and dust collection module 7, the field electricity module 1 and dust collection module 7 include insulating rectangular mount structure respectively, in described field electricity module 1 Insulating rectangular mount structure on front side of on be fixed with field electricity module metallic plate, on described field electricity module metallic plate between the upper and lower every Multiple rows of discharge cavities 4 are provided with, each row's discharge cavities 4 include the spaced multiple discharge cavities 4 in left and right, electric module 1 on the scene Insulating rectangular mount structure left and right sidewall between be connected in the horizontal direction relative to the position of each row's discharge cavities 4 A piece conducting rod 2, a discharge electrode is respectively fixed with position of each conducting rod 2 relative to each discharge cavities 4 3, described discharge electrode 3 is respectively inserted in the discharge cavities 4 being correspondingly arranged in the horizontal direction, and multiple conducting rods 2 pass through wire phase Company forms field electricity modular power source negative pole 5, and described field electricity module metallic plate connects with metallic rod or wire forms field electricity module Positive source 6, the field electricity modular power source negative pole 5 and the field electricity modular power source positive pole 6 connect field electricity module high voltage power supply.
Dust collection module metallic plate is fixed with the front side of the insulating rectangular mount structure of described dust collection module 7, described Dust collection module metallic plate on be provided with multiple rows of the dust collection module passage 8 that is sequentially connected, the dust collection module described in each row up and down and lead to Road 8 includes the dust collection module passage 8 that multiple left and right are sequentially connected, the partition alternating of the neighbouring dust collection module passage 8 Negative plate 9 and positive plate 10 are arranged to, the negative plate 9 described in whole is connected by wire forms dust collection module power cathode 11, Positive plate 10 described in whole is connected by wire forms dust collection module positive source 12, and multiple dust collection module positive sources 12 are common It is connected with the first wire, multiple dust collection module power cathodes 11 are connected with the second wire jointly, described positive plate 10 and negative Pole plate 9 includes pole plate metal electrode 14 and is respectively coated on the pole plate table of the described roof of pole plate metal electrode 14 and bottom wall Finishing coat 13, the dust collection module positive source 12 and the dust collection module power cathode 11 connect dust mould by wire during use Block high voltage power supply, the dust collection module high voltage power supply are direct current supply or pulse power supply.Two adjacent dust collection modules of left and right lead to The passage partition 17 in road is selected and the identical material of polar board surface coating 13.
Multiple consistencies from top to bottom of dust collection module passage 8 of preferable multiple rows of dust collection module passage 8 are set, be so easy to processing and Manufacture, meanwhile, there is good mechanical strength.
Preferably, the field electricity module 1 is located at the upstream of the dust collection module 7, and both are highly identical with width.So just It is applied in combination in both.
As Figure 2-3, it is preferable that the discharge cavities 4 are square, circular or square with rounded corners.So make lotus Electric-field strength is than more uniform, the charged efficiency high of particulate matter.
As shown in Figure 5 and Figure 6, it is preferable that the discharge electrode 3 is bar-shaped in needle-like or wolf's fang.So electrode discharge efficiency high, Particulate matter it is charged more abundant.
As is seen in figs 7-10, it is preferable that the passage of the dust collection module passage 8 is in the longitudinal section with discharge electrode vertical direction It is square, is trapezoidal, parallelogram or square, trapezoidal, parallelogram is arranged alternately.
As shown in figure 11, it is preferable that material selection copper, steel or aluminium of the pole plate metal electrode 14 etc., the pole plate Material selection PVC, PTFE of face coat 13 or ceramics etc..
The field electricity module 1 and dust collection module 7 support the use, and the field electricity module high voltage power supply and the dust collection module are high Voltage source is direct current supply or pulse power supply, and the field electricity module high voltage power supply and the dust collection module high voltage power supply can individually be set Put, can also be used in conjunction with.
The various forms of electric modules 1 and various forms of dust collection modules 7 can according to be actually needed designed, designed and Combination.
It is as follows using the course of work of the present apparatus:
As in Figure 2-4, the field electricity module high voltage power supply gives the conducting rod by the field electricity modular power source negative pole 5 2 power supplies, so that the discharge electrode 3 is powered, the field electricity module high voltage power supply is connected with the field electricity modular power source positive pole 6, So that the field electricity modular power source positive pole 6 is powered, formed between the discharge electrode 3 and the field electricity modular power source positive pole 6 high Intensity non-uniform electric field, so that the discharge electrode 3 discharges in the discharge cavities 4.When air flows through the field electricity module 1 When, the particulate pollutant in air is charged, and enters the dust collection module 7.As is seen in figs 7-10, the dust collection module high-tension electricity Source is powered by the dust collection module negative pole 11 to the negative plate 9, and the dust collection module high voltage power supply passes through the dust mould Block positive source 12 is powered to the positive plate 10, and it is uniformly electric that high intensity is formed between the negative plate 9 and the positive plate 10 .As shown in figure 12, air enters dust collection module passage 8, charged particle pollutant from the air intake 15 of dust collection module passage 8 Move and be captured to the positive plate 10 in the presence of electric field force, the air of air from the dust collection module passage 8 of cleaning goes out Mouth 16 is discharged.
Although above in conjunction with accompanying drawing, invention has been described, and the invention is not limited in above-mentioned specific implementation Mode, the invention can equally be applied in the case combined with ventilation equipment such as air purifier, new blower fans, can equally had Efficient advantage higher, decay is smaller, while air intake, the requirement of surrounding air-out among air cleaning facility can be met, expand The big scope of application of air cleaning facility.

Claims (7)

  1. A kind of 1. plate shaped micro- electrostatic filter, it is characterised in that:Including the front and rear field electricity module being fixedly linked and dust collection module, The field electricity module and dust collection module include insulating rectangular mount structure respectively, in the insulating rectangular mount structure of described field electricity module Field electricity module metallic plate is fixed with front side, on described field electricity module metallic plate between the upper and lower every to be provided with multiple rows of electric discharge empty Chamber, each row's discharge cavities include the spaced multiple discharge cavities in left and right, the insulating rectangular mount structure of electric module on the scene A conducting rod is connected in the horizontal direction relative to the position of each row's discharge cavities between left and right sidewall, at each Conducting rod is relative to a discharge electrode is respectively fixed with the position of each discharge cavities, described discharge electrode is in the horizontal direction It is respectively inserted in the discharge cavities being correspondingly arranged, multiple conducting rods are connected to form field electricity modular power source negative pole by wire, described Field electricity module metallic plate connect with metallic rod or wire form field electricity modular power source positive pole, in the exhausted of described dust collection module Dust collection module metallic plate is fixed with the front side of edge rectangular frame structure, is provided with described dust collection module metallic plate above and below multiple rows of The dust collection module passage being sequentially connected, the dust collection module passage described in each row include the dust collection module that multiple left and right are sequentially connected Passage, the partition of the neighbouring dust collection module passage are alternatively set as negative plate and positive plate, the negative pole described in whole Plate is connected by wire forms dust collection module power cathode, and the positive plate described in whole is connected by wire forms dust collection module electricity Source positive pole, multiple dust collection module positive sources are connected with the first wire jointly, and multiple dust collection module power cathodes are jointly with second Wire is connected, and described positive plate and negative plate include pole plate metal electrode and be respectively coated on described pole plate metal electricity The polar board surface coating of pole roof and bottom wall, the passage partition of two adjacent dust collection module passages of left and right is selected and the pole plate Face coat identical material.
  2. 2. plate shaped micro- electrostatic filter according to claim 1, it is characterised in that:The discharge cavities are square, circle Shape or square with rounded corners.
  3. 3. plate shaped micro- electrostatic filter according to claim 1, it is characterised in that:The discharge electrode is in needle-like or wolf's fang It is bar-shaped.
  4. 4. plate shaped micro- electrostatic filter according to one of claim 1-3, it is characterised in that:Multiple rows of dust collection module passage Multiple dust collection module passage consistencies from top to bottom set.
  5. 5. plate shaped micro- electrostatic filter according to one of claim 1-3, it is characterised in that:The field electricity module is located at The upstream of the dust collection module, both are highly identical with width.
  6. 6. plate shaped micro- electrostatic filter according to claim 4, it is characterised in that:The passage of the dust collection module passage It is square, trapezoidal or square, trapezoidal is arranged alternately in the longitudinal section with discharge electrode vertical direction.
  7. 7. plate shaped micro- electrostatic filter according to claim 6, it is characterised in that:The material of the pole plate metal electrode From one kind in copper, steel or aluminium, one kind in material selection PVC, PTFE or ceramics of the polar board surface coating.
CN201610780961.8A 2016-08-31 2016-08-31 A kind of plate shaped micro- electrostatic filter Active CN106179751B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610780961.8A CN106179751B (en) 2016-08-31 2016-08-31 A kind of plate shaped micro- electrostatic filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610780961.8A CN106179751B (en) 2016-08-31 2016-08-31 A kind of plate shaped micro- electrostatic filter

Publications (2)

Publication Number Publication Date
CN106179751A CN106179751A (en) 2016-12-07
CN106179751B true CN106179751B (en) 2018-01-30

Family

ID=58085956

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610780961.8A Active CN106179751B (en) 2016-08-31 2016-08-31 A kind of plate shaped micro- electrostatic filter

Country Status (1)

Country Link
CN (1) CN106179751B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108097465A (en) * 2017-12-11 2018-06-01 东莞市宇洁新材料有限公司 A kind of charged module of integration particulate matter and its manufacturing method
CN108286466A (en) * 2017-12-27 2018-07-17 山东国瓷功能材料股份有限公司 A kind of ceramic honeycomb filter of high thermal shock stability
CN108534265B (en) * 2018-01-25 2020-08-07 山东科隆环保科技有限公司 Multifunctional full-structure high-efficiency washable super-static air purification system
KR102586516B1 (en) * 2018-07-20 2023-10-06 엘지전자 주식회사 Electrification apparatus for electric dust collector and air conditioner for vehicle comprising the same
CN110404681A (en) * 2019-08-05 2019-11-05 北京中科纳清科技股份有限公司 The filter and air cleaning facility of composite particles electrification and adsorption function
CN114056058A (en) * 2020-07-30 2022-02-18 Lg电子株式会社 Electrification device for electric dust collection
FR3139482A1 (en) 2022-09-12 2024-03-15 Michel Pourprix Electrostatic precipitator/collector for air purifier or aerosol purifier, with stack of plates with through channels and interposed electrodes.
CN115581791A (en) * 2022-10-14 2023-01-10 爱优特空气技术(上海)有限公司 Anti-high-humidity micro-static purification device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57159558A (en) * 1981-03-27 1982-10-01 Ube Ind Ltd Electric dust collecting apparatus
JPS5855058A (en) * 1981-09-26 1983-04-01 Kiyohiro Kawasaki Electrically precipitating method
CN201052477Y (en) * 2007-04-25 2008-04-30 苏继挺 Electrostatic dust collector
CN201120318Y (en) * 2007-11-01 2008-09-24 翁少杰 Electrostatic dust remover
CN102679427B (en) * 2012-05-08 2015-06-17 广东徳塑科技有限公司 Oil smoke purifier with honeycomb structure
CN105363554A (en) * 2015-11-25 2016-03-02 佛山市城市森林净化科技有限公司 Electrostatic dust collecting structure
CN206104126U (en) * 2016-08-31 2017-04-19 天津大学 Plate shaped little electrostatic filter

Also Published As

Publication number Publication date
CN106179751A (en) 2016-12-07

Similar Documents

Publication Publication Date Title
CN106179751B (en) A kind of plate shaped micro- electrostatic filter
CN106076625B (en) A kind of micro- electrostatic filter of cylindrical shape
CN108087930B (en) Electrostatic oil fume purifying device and range hood using same
CN101639267A (en) Air processor with air heating and purifying functions
CN208952277U (en) A kind of cabinet type new blower
CN206104126U (en) Plate shaped little electrostatic filter
CN207849473U (en) A kind of oil-smoke absorbing device and range hood
CN101886828A (en) Static lampblack purification device
CN108339665A (en) Outdoor fresh air and room air fine grained coagulation and method and apparatus
CN204816888U (en) Electric field action desorption fine particles's device is united to sound wave
CN203469745U (en) Air-opening type electronic dust-removing purification device
CN206981000U (en) A kind of micro- labyrinth electrostatic filter
CN205926011U (en) Little electrostatic filter of cylinder
CN208809667U (en) A kind of filtering and purifying
CN205227617U (en) Novel purify air conditioner
CN205014501U (en) Multiple ion field room air purifier
CN203757859U (en) Air purifier
CN212538207U (en) Device for removing microorganisms in air by static electricity
CN105855052A (en) Air purifier PM2.5 collecting device
CN201997382U (en) Multi-pole ionization electromagnetic air filter
CN205747252U (en) It is arranged on the IFD economic benefits and social benefits ion-type air purifier of return air inlet
CN209577023U (en) A kind of household smoke exhaust ventilator of energy high-efficient purification oil smoke
CN204648509U (en) The new blower fan of a kind of high-effective dust-removing
CN104741237B (en) High pressure charged water spray aggegation formula air cleaning unit
CN209263266U (en) Energy-saving fresh air air regenerating device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210126

Address after: 517, 518, 519, block a, 6 Haitai development road, Huayuan Industrial Zone, Binhai New Area, Tianjin

Patentee after: Tianjin Zhongtian Environmental Technology Co., Ltd

Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92

Patentee before: Tianjin University