CN104406284B - Filter drum type efficient air supply outlet - Google Patents

Filter drum type efficient air supply outlet Download PDF

Info

Publication number
CN104406284B
CN104406284B CN201410776587.5A CN201410776587A CN104406284B CN 104406284 B CN104406284 B CN 104406284B CN 201410776587 A CN201410776587 A CN 201410776587A CN 104406284 B CN104406284 B CN 104406284B
Authority
CN
China
Prior art keywords
filter
pao
air
diffuser plate
plate
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
CN201410776587.5A
Other languages
Chinese (zh)
Other versions
CN104406284A (en
Inventor
朱雨丰
谢国成
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.)
SUZHOU XINGYA PURIFICATION ENGINEERING Co Ltd
Original Assignee
SUZHOU XINGYA PURIFICATION ENGINEERING Co Ltd
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 SUZHOU XINGYA PURIFICATION ENGINEERING Co Ltd filed Critical SUZHOU XINGYA PURIFICATION ENGINEERING Co Ltd
Priority to CN201410776587.5A priority Critical patent/CN104406284B/en
Publication of CN104406284A publication Critical patent/CN104406284A/en
Application granted granted Critical
Publication of CN104406284B publication Critical patent/CN104406284B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/06Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a filter drum type efficient air supply outlet. The filter drum type efficient air supply outlet comprises a box body, a cylindrical filter, a flat filter, a diffusion plate, a fixing assembly, a sealing strip, a negative pressure leaking hole, a dispersing plate and a sealing liquid tank; the cylindrical filter and the flat filter are arranged in the box body, an air inlet and the diffusion plate are arranged below the box body, and an air outlet and the dispersing plate are arranged above the box body; a flat separating layer in which the cylindrical filter is sealed and assembled is arranged in the box body; the flat filter is arranged on the top surface of the cylindrical filter and is sealed through the sealing strip and the sealing liquid tank and clamped and fixed through the fixing assembly; both a PAO injection port and a PAO testing port are formed in a low pressure air outlet area; and the negative pressure leaking hole is formed in the sidewall of a buffering area. The filter drum type efficient air supply outlet has the advantages that the air is out from the cylindrical surface and the flat surface in a stereo way, so that the filtering area and the effective service life are doubly increased and prolonged, the maintenance period is increased, the air filtering effect is improved, and the equipment instrument and later maintenance of a purifying space are reduced.

Description

A kind of cartridge type efficient air distributor
Technical field
The present invention relates to a kind of air purifying process apparatus field, more particularly to a kind of cartridge type efficient air distributor.
Background technology
Efficient air distributor is thousand grades, ten thousand grades, the ideal end-filtration device of 100,000 grades of air cleaning and conditioning systems, can be extensive In the air cleaning and conditioning system of the industries such as medicine, health, electronics, chemical industry.The dust particle being used in air filtering, so as to improving and Improve the air quality of working environment;Efficient air distributor product, common efficient air distributor is all rectangle or positive square, Efficient air distributor includes plenum chamber, diffuser plate, and high efficiency particulate air filter can be apical grafting or side joint with the interface of airduct;Single-sided high-efficiency mistake One of the characteristics of filter is efficient air distributor in prior art.
Shortcoming of the prior art or deficiency are:The sealing of efficient air distributor is the key that efficient air distributor realizes function Technology, often in actual application, as traditional efficient air distributor is single-sided high-efficiency filter ventilation filter, efficiently send Filter area in wind apparatus does not reach field requirement with filter efficiency, and this results in must install same clean interior Many set efficient air distributors, could meet actually used and clean-up effect requirement, cause the waste of cleaning equipment;On the other hand by In using many setization equipment, the service life reduction of causing equipment itself, conventional maintenance was shortened with the time of maintenance, to use Maintenance bring economically, operational cost up;Purification efficiency is also resulted in simultaneously can not meet production standard requirement.
The content of the invention
To solve above-mentioned technical problem, the invention provides a kind of cartridge type efficient air distributor, for of the prior art Deficiency, using the bottom surface high efficiency filter innovative design of drum-shaped side periphery, in efficient air distributor casing built with a drum The embedded casing of the air filter of shape, and using sealing strip and flume seal double-layer seal, greatly increase efficient air distributor Seal, and PAO test mouths are installed;The efficient air distributor of five face air-out can greatly increase air output realize multiaspect while Filter, therefore considerably increase the filter area of high efficiency filter air outlet, improve the filter capacity of high efficiency filter air outlet with Actual field filters the requirement of air-supply energy, cylindrical side and bottom surface efficient air distributor due to effective lifting of its filter area, So that under conditions of equal air output, the Acceptable life of filter is multiplied, therefore can greatly promote the use of equipment Life-span, and extend the maintaining phase, increase airfiltering effect, reduce the equipment investment of better purifying space and the maintenance expense in later stage With.
To reach above-mentioned purpose, technical scheme is as follows:A kind of cartridge type efficient air distributor, including casing, circle Bucket filter, plate filter, PAO test mouth, PAO inlets, diffuser plate, fixation kit, PU tracheas, sealing ring, sealing strip, Negative pressure leakage hole, diffuser plate, sealed liquid cell, high pressure air intake area, air inlet, relief area, low pressure wind outlet area, air outlet, its feature It is:
The casing is square, is manufactured using high-quality cold-rolled steel sheet, and the interior welds of the casing are provided with circular hole Plane interlayer, drum filter is fixedly installed in the circular hole, the drum filter top is provided with plate filter; The box bottom is provided with the air inlet of rectangle, and the air inlet is connected with air supply duct sealing, spiral shell above the air inlet Connect the diffuser plate for being provided with same shape;It is open air outlet above the casing, is spirally connected in the air outlet and is equipped with Diffuser plate;With the drum filter by sealing strip fixed seal connection above the diffuser plate, the drum filter with Plane interlayer is fixedly connected by the sealed liquid cell grafting;The drum filter lower opening is simultaneously communicated with air inlet, institute State plate filter to connect and fix with the plane interlayer by sealing strip;The drum filter, plate filter are by more Individual fixation kit screens is fixed;The plate filter is provided centrally with fixation kit, the fixation kit and the diffuser plate It is welded and fixed;Constituted successively between the casing and the plane interlayer, diffuser plate from bottom to up high-pressure blowing-in area, relief area, Low pressure wind outlet area;There are PAO inlets and PAO test mouths, the PAO injections in the diffuser plate ring side through the setting buffers Mouthful it is spirally connected plane interlayer described in hermetically passing with PAO test mouths, is opened in the low pressure wind outlet area, the PAO notes Entrance is communicated between the diffuser plate and air inlet by PU tracheas, and the PAO inlets and PAO test mouths pass through sealing ring It is socketed with the sealing of plane interlayer;Negative pressure leakage hole is provided with the side wall of the relief area, in the negative pressure leakage hole, described PAO is tested in mouth and PAO inlets and is provided with check valve.
The diffuser plate and diffuser plate are aluminum alloy material manufacture, and the diffuser plate is multi hole surface plate, the diffuser plate For radial multi hole surface plate.
The drum filter is the anti-flange form filter of efficiently double net non-inductive windings, and the fixation kit is provided with multiple.
The air-out simultaneously of the circumference side and top surface of the drum filter and plate filter, in theory air quantity can increase number Times, air output is considerably increased, it is cost-effective.
The present invention operation principle be:Using the efficient air distributor of periphery and bottom surface air-out tape test mouth, including drum Filter, plate filter, are respectively arranged on the plane interlayer in casing, and casing adopts high-quality cold-rolled steel sheet with plane interlayer Make;The casing lower end is air inlet, is provided with aluminium alloy diffuser plate;The casing upper end is air outlet, is provided with aluminum conjunction Golden diffuser plate;The drum filter is installed in casing inner circle morpheme hole, and the plate filter is installed on top, the case Body lower end connects ventilation shaft, upper end connection cabinet panel;Between the box inside face and drum filter lateral surface respectively Two sealed compartments are provided with by sealing strip and sealed liquid cell, high pressure air intake area, relief area and low pressure air-out in casing, will be divided into Three part of area, is equipped with negative pressure leakage hole on the relief area, the box house both sides pass through the plane interlayer, sealing to set It is equipped with PAO inlets and PAO test mouths;Fixation kit is provided between the plate filter and diffuser plate of the top surface;Pass through Pipeline introduces air from air inlet, and by diffuser plate dispersion air, the air is entered in the casing under air-supply high pressure, and Under pressure through the drum filter and plate filter of the casing, the air is obtained on high efficiency filter only Change, the air after purification enters the low pressure wind outlet area, use via toilet is drained into after the diffuser plate;PAO is examined During survey, testing mouth by the PAO inlets and the PAO is carried out;Leak in the event of pressure-air in the relief area, then Can be entered in the casing by the negative pressure leakage hole.
By above-mentioned technical proposal, the beneficial effect of technical solution of the present invention is:The efficient air distributor air quantity in drum-shaped face Greatly increase, save equipment investment cost;Efficient air distributor carries check valve PAO inlets and check valve PAO test mouths;Using Sealing strip and flume seal double-layer seal, reach the No leakage of efficient air distributor, greatly increase efficient air distributor seal;Circle Cylinder efficient air distributor can greatly increase air output and realize multiaspect while filtering, therefore considerably increase high efficiency filter air outlet Filter area, improve the filter capacity of high efficiency filter air outlet and filter the requirement of air-supply energy with actual field, multiaspect is high Effect air outlet is due to effective lifting of its filter area so that under conditions of equal air output, the Acceptable life of filter It is multiplied, therefore the service life of equipment can be greatly promoted, and extend the maintaining phase, increases airfiltering effect, subtract The equipment investment of few better purifying space and the maintenance cost in later stage.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be in embodiment or description of the prior art The required accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings Obtain other accompanying drawings.
Fig. 1 is a kind of cartridge type efficient air distributor dimensional structure diagram disclosed in the embodiment of the present invention;
Fig. 2 is a kind of cartridge type efficient air distributor external form schematic diagram disclosed in the embodiment of the present invention;
Fig. 3 is a kind of cartridge type efficient air distributor front view schematic diagram disclosed in the embodiment of the present invention;
Fig. 4 is a kind of cartridge type efficient air distributor upward view schematic diagram disclosed in the embodiment of the present invention;
Fig. 5 be embodiment of the present invention Fig. 3, A-A generalized sections;
Fig. 6 be embodiment of the present invention Fig. 5, enlarged diagram at B.
Numeral and the corresponding component title represented by letter in figure:
1. 2. drum filter of casing, 3. plate filter 4.PAO tests mouth
6. diffuser plate of 5.PAO inlets, 7. fixation kit 8.PU tracheas
9. 10. sealing strip of sealing ring, 11. negative pressure leakage hole, 12. diffuser plate
13. sealed liquid cell, 14. 15. air inlet of high pressure air intake area, 16. relief area
17. 18. air outlet of low pressure wind outlet area
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
According to Fig. 1 to Fig. 6, the invention provides a kind of cartridge type efficient air distributor, including casing 1, drum filter 2, Plate filter 3, PAO test mouth 4, PAO inlets 5, diffuser plate 6, fixation kit 7, PU tracheas 8, sealing ring 9, sealing strip 10, Negative pressure leakage hole 11, diffuser plate 12, sealed liquid cell 13, high pressure air intake area 14, air inlet 15, relief area 16, low pressure wind outlet area 17, Air outlet 18.
The casing 1 is square, is manufactured using high-quality cold-rolled steel sheet, and the interior welds of the casing 1 are provided with circle The plane interlayer in hole, is fixedly installed drum filter 2, is provided with plane mistake at the top of the drum filter 2 in the circular hole Filter 3;1 bottom of the casing is provided with the air inlet 15 of rectangle, and the air inlet 15 is connected with air supply duct sealing, it is described enter It is spirally connected above air port 15 and is provided with the diffuser plate 6 of same shape;Be open air outlet 18 above the casing 1, it is described go out It is spirally connected in air port 18 and is equipped with diffuser plate 12;Fixed by sealing strip 10 with the drum filter 2 above the diffuser plate 12 It is tightly connected, the drum filter 2 is fixedly connected by 13 grafting of the sealed liquid cell with plane interlayer;The drum is filtered 2 lower opening of device is simultaneously communicated with air inlet 15, and the plate filter 3 is solid with plane interlayer clamping by sealing strip 10 It is fixed;The drum filter 2, plate filter 3 are fixed by 7 screens of multiple fixation kits;3 center of the plate filter sets Fixation kit 7 is equipped with, the fixation kit 7 is welded and fixed with the diffuser plate 12;The casing 1 and the plane interlayer, dissipate Constitute high-pressure blowing-in area 14, relief area 16, low pressure wind outlet area 17 between stream plate 12 from bottom to up successively;6 ring side of the diffuser plate The relief area 16 is provided with PAO inlets 5 and PAO test mouths 4, the PAO inlets 5 test 4 spiral shell of mouth with the PAO Plane interlayer described in hermetically passing is connect, is opened in the low pressure wind outlet area 17, the PAO inlets 5 are connected by PU tracheas 8 Pass through between the diffuser plate 6 and air inlet 15, the PAO inlets 5 and PAO test mouths 4 are by sealing ring 9 and plane interlayer Sealing socket;Negative pressure leakage hole 11 is provided with the side wall of the relief area 16,11 interior, described PAO of the negative pressure leakage hole is surveyed Check valve is provided with examination mouth 4 and PAO inlets 5.
The diffuser plate 5 and diffuser plate 12 are manufactured for aluminum alloy material, and the diffuser plate 6 is multi hole surface plate, described to dissipate Stream plate 12 is radial multi hole surface plate.
The drum filter 2 is the anti-flange form filter of efficiently double net non-inductive windings, and the fixation kit 7 arranges 5.
The air-out simultaneously of the circumference side and top surface of the drum filter 2 and plate filter 3, in theory air quantity can increase Several times, considerably increase air output, cost-effective.
The specific embodiment of the present invention:Using drum filter 2 and plate filter 3, three-dimensional air-out band PAO is designed as The efficient air distributor of test mouth 4, the casing 1 and the internal welded formula molding of plane interlayer, 2 He of drum filter Plate filter 3 is fixedly connected with sealed liquid cell 13 by sealing strip 10, then by the test mouths 4 of the PAO with check valve and band The PAO inlets 5 for having check valve are assembled on the plane interlayer, by be spirally connected by the aluminium alloy diffuser plate 6 and it is described dissipate Stream plate 12 is fixed on the lower mouth of the casing 1 and suitable for reading;Test with PAO in PAO inlets 5 and be equipped with the PU tracheas 8 that mouth 4 extends Sealing ring 9, is provided with sealing strip 10 and sealed liquid cell 13 2 lower end of drum filter is close to, is protected using Dual-layer sealing device Card positive confinement;Air is introduced from air inlet 15 by pipeline, by 6 dispersion air of diffuser plate, the air is in air-supply high pressure It is lower in the casing 1, and under pressure through the drum filter 2 and plate filter 3 in the casing 1, institute State air to be purified on high efficiency particulate air filter, the air after purification enters the low pressure wind outlet area 17, via the diffuser plate Toilet's use is drained into after 12;When PAO is detected, testing mouth 4 by the PAO inlets 5 and the PAO is carried out;Institute Leak in the event of pressure-air in stating relief area 16, then can be entered in the casing 1 by the negative pressure leakage hole 11.
By above-mentioned specific embodiment, the invention has the beneficial effects as follows:The efficient air distributor air quantity in drum-shaped face increases Plus, save equipment investment cost;Efficient air distributor carries check valve PAO inlets and check valve PAO test mouths;Using sealing strip With flume seal double-layer seal, the No leakage of efficient air distributor is reached, greatly increase efficient air distributor seal;The face of cylinder is high Effect air outlet can greatly increase air output and realize multiaspect while filtering, therefore considerably increase the filtration of high efficiency filter air outlet Area, the filter capacity and actual field that improve high efficiency filter air outlet filter the requirement of air-supply energy, and multiaspect is efficiently blown Mouth is due to effective lifting of its filter area so that under conditions of equal air output, the Acceptable life of filter is into multiplication Plus, therefore the service life of equipment can be greatly promoted, and extend the maintaining phase, increase airfiltering effect, reduce purification The equipment investment in space and the maintenance cost in later stage.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention. Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope for causing.

Claims (3)

1. a kind of cartridge type efficient air distributor, it is characterised in that including casing, drum filter, plate filter, PAO tests Mouth, PAO inlets, diffuser plate, fixation kit, PU tracheas, sealing ring, sealing strip, negative pressure leakage hole, diffuser plate, sealed liquid cell, High pressure air intake area, air inlet, relief area, low pressure wind outlet area, air outlet;The casing is square, using high-quality cold-rolled steel sheet system Make, the interior welds of the casing are provided with round-meshed plane interlayer, and drum filter is fixedly installed in the circular hole, The drum filter top is provided with plate filter;The box bottom is provided with the air inlet of rectangle, the air inlet Connect with air supply duct sealing, be spirally connected above the air inlet and be provided with the diffuser plate of same shape;It is to open above the casing The air outlet of formula is put, is spirally connected in the air outlet and is equipped with diffuser plate;Pass through with the drum filter above the diffuser plate Sealing strip fixed seal connection, the drum filter are fixedly connected by the sealed liquid cell grafting with plane interlayer;It is described Drum filter lower opening is simultaneously communicated with air inlet, and the plate filter is solid with plane interlayer clamping by sealing strip It is fixed;The drum filter, plate filter are fixed by multiple fixation kit screens;The plate filter is provided centrally with Fixation kit, the fixation kit are welded and fixed with the diffuser plate;Between the casing and the plane interlayer, diffuser plate from Under supreme constitute high-pressure blowing-in area, relief area, low pressure wind outlet area successively;The diffuser plate ring side has through the setting buffers PAO inlets and PAO test mouths, the PAO inlets and PAO test mouth are spirally connected plane interlayer described in hermetically passing, It is opened in the low pressure wind outlet area, the PAO inlets are communicated between the diffuser plate and air inlet by PU tracheas, institute PAO inlets and PAO test mouths are stated by sealing ring and the sealing socket of plane interlayer;It is provided with the side wall of the relief area negative Pressure leak, the PAO tests in mouth and PAO inlets and is provided with check valve in the negative pressure leakage hole in.
2. a kind of cartridge type efficient air distributor according to claim 1, it is characterised in that the diffuser plate and diffuser plate are Aluminum alloy material is manufactured, and the diffuser plate is multi hole surface plate, and the diffuser plate is radial multi hole surface plate.
3. a kind of cartridge type efficient air distributor according to claim 1, it is characterised in that the drum filter is efficient The anti-flange form filter of double net non-inductive windings, the fixation kit is provided with multiple.
CN201410776587.5A 2014-12-15 2014-12-15 Filter drum type efficient air supply outlet Active CN104406284B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410776587.5A CN104406284B (en) 2014-12-15 2014-12-15 Filter drum type efficient air supply outlet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410776587.5A CN104406284B (en) 2014-12-15 2014-12-15 Filter drum type efficient air supply outlet

Publications (2)

Publication Number Publication Date
CN104406284A CN104406284A (en) 2015-03-11
CN104406284B true CN104406284B (en) 2017-04-26

Family

ID=52643932

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410776587.5A Active CN104406284B (en) 2014-12-15 2014-12-15 Filter drum type efficient air supply outlet

Country Status (1)

Country Link
CN (1) CN104406284B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105650716A (en) * 2016-01-14 2016-06-08 浙江海洋学院 Marine heater
CN106949538A (en) * 2017-02-22 2017-07-14 四川万康节能环保科技有限公司 A kind of multi-functional high-efficient air eliminator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010068402A1 (en) * 2008-12-11 2010-06-17 Spx Corporation Membrane-based compressed air breathing system
CN204006538U (en) * 2014-08-06 2014-12-10 广州坤灵净化科技有限公司 A kind of without dividing plate efficient air distributor
CN204345875U (en) * 2014-12-15 2015-05-20 苏州兴亚净化工程有限公司 A kind of cartridge type efficient air distributor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010068402A1 (en) * 2008-12-11 2010-06-17 Spx Corporation Membrane-based compressed air breathing system
CN204006538U (en) * 2014-08-06 2014-12-10 广州坤灵净化科技有限公司 A kind of without dividing plate efficient air distributor
CN204345875U (en) * 2014-12-15 2015-05-20 苏州兴亚净化工程有限公司 A kind of cartridge type efficient air distributor

Also Published As

Publication number Publication date
CN104406284A (en) 2015-03-11

Similar Documents

Publication Publication Date Title
CN104406284B (en) Filter drum type efficient air supply outlet
CN106039852A (en) Novel air filter
CN104406283B (en) Cuboidal high-efficiency air supply outlet
CN206207553U (en) External purifying device for air conditioner
CN211411310U (en) Vertical oil mist collecting device
CN204345875U (en) A kind of cartridge type efficient air distributor
CN108662710A (en) Mobile new wind turbine
CN201706639U (en) Vacuum efficient air-supply outlet
CN207702623U (en) A kind of changeable type efficient air distributor
CN212700959U (en) Separator
CN208504679U (en) A kind of efficient air distributor
CN102705971A (en) Negative pressure double sealing dry blower
CN107504581A (en) One kind uses TiO2The air cleaning facility of coating
CN207006488U (en) A kind of fast assembling-disassembling efficient air distributor
CN207918777U (en) A kind of natural gas filter
CN205683758U (en) Gas-filtering device
CN202692382U (en) Negative pressure double seal blowing-in device
CN205995148U (en) A kind of sewage-treatment plant
CN212431224U (en) Cyclone filter
CN204345876U (en) A kind of cube efficient air distributor
CN212227324U (en) Air ventilation purifier
CN104958963B (en) Automatic pollution absorber and defecator
CN210512093U (en) Frame negative pressure sealing dry type efficient air supply outlet
CN221155809U (en) Equipment for filtering sublimates in chlorine pipeline
CN221107605U (en) Double-air-duct activated carbon integrated 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