[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN109333960A - A kind of structure of twin-screw slice air-suction duct - Google Patents

A kind of structure of twin-screw slice air-suction duct Download PDF

Info

Publication number
CN109333960A
CN109333960A CN201811275879.5A CN201811275879A CN109333960A CN 109333960 A CN109333960 A CN 109333960A CN 201811275879 A CN201811275879 A CN 201811275879A CN 109333960 A CN109333960 A CN 109333960A
Authority
CN
China
Prior art keywords
conveyer belt
air
interleaving agent
open mill
slot
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.)
Granted
Application number
CN201811275879.5A
Other languages
Chinese (zh)
Other versions
CN109333960B (en
Inventor
石太平
周艳杰
丛彦杰
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.)
SP Reifenwerke GmbH
Original Assignee
SP Reifenwerke GmbH
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 SP Reifenwerke GmbH filed Critical SP Reifenwerke GmbH
Priority to CN201811275879.5A priority Critical patent/CN109333960B/en
Publication of CN109333960A publication Critical patent/CN109333960A/en
Application granted granted Critical
Publication of CN109333960B publication Critical patent/CN109333960B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cleaning In General (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a kind of structures of twin-screw slice air-suction duct, including axial flow blower, blower outlet air mouthpiece, ventilation shaft, tablet press machine, mixer, weather screen, gap bridge conveyer belt, U-shaped channel, open mill, interleaving agent slot, interleaving agent tank, bellows, first climbing conveyer belt, second climbing conveyer belt and clean air package, mixer is provided with above the tablet press machine, the right of the tablet press machine is provided with open mill, the right of the open mill is equipped with interleaving agent slot, and pass through transmission band connection of passing a bridge between tablet press machine and open mill between open mill and interleaving agent slot, the side of the interleaving agent slot is connected with interleaving agent tank by connecting tube, the side of the interleaving agent slot is separately installed with the first climbing conveyer belt and the second climbing conveyer belt, the side of the first climbing conveyer belt and the second climbing conveyer belt is provided with Bellows, the present invention have the characteristics that air draught effect is good and practical.

Description

A kind of structure of twin-screw slice air-suction duct
Technical field
The present invention relates to twin-screw slice air-suction duct technical field, specially a kind of knot of twin-screw slice air-suction duct Structure.
Background technique
Double screw extruder is grown up on the basis of single screw extrusion machine, due to good charging performance, It is kneaded plasticizing capacity, exhaust performance, squeezes out the features such as stability, have been widely used for the processing and forming of extruded product at present.
But in the structure of existing twin-screw slice air-suction duct, there is a problem of that air draught effect difference and practicability are weak. Refining glue work area double screw extruder is mainly used for the extrusion and tabletting of section glue, and temperature is higher, and flue dust is larger, this position air draught effect Difference is condensed on roofing, is dropped on ground and sizing material in addition, steam leaks outside, and generates large effect, and the air absorbed, Cleanliness is low, and one causes the product produced unqualified.Therefore, design that a kind of air draught effect is good and practical twin-screw goes out The structure of piece air-suction duct is necessary.
Summary of the invention
The purpose of the present invention is to provide a kind of structures of twin-screw slice air-suction duct, to solve in above-mentioned background technique The problem of proposition.
In order to solve the above technical problem, the present invention provides following technical solutions: a kind of twin-screw slice air-suction duct Structure, including it is axial flow blower, blower outlet air mouthpiece, ventilation shaft, tablet press machine, mixer, weather screen, gap bridge conveyer belt, U-shaped logical Road, open mill, interleaving agent slot, interleaving agent tank, bellows, the first climbing conveyer belt, the second climbing conveyer belt and clean air package, Mixer is provided with above the tablet press machine, the right of the tablet press machine is provided with open mill, the right peace of the open mill Band connection is transmitted by passing a bridge between open mill and interleaving agent slot equipped with interleaving agent slot, and between tablet press machine and open mill, The side of the interleaving agent slot is connected with interleaving agent tank by connecting tube, and the side of the interleaving agent slot is separately installed with first and climbs The side of slope conveyer belt and the second climbing conveyer belt, the first climbing conveyer belt and the second climbing conveyer belt is provided with bellows, It is respectively connected between the top of interleaving agent slot and the top of bellows between the top of the tablet press machine and the top of open mill logical Air piping, the two sides of the ventilation shaft are correspondingly arranged on weather screen, are equipped with axial flow blower at the air inlet of the ventilation shaft, Blower outlet air mouthpiece is connected at the top of the ventilation shaft, the inside of the blower outlet air mouthpiece is equipped with air cleaning Component is provided with U-shaped channel at the top of the ventilation shaft of bellows;The clean air package is by scraper, shaft, knife Disk, fixes sleeve, dust suction sponge block, shell, sliding block, sliding slot, spring, fixed frame, strainer and motor composition, the two of the shell Inner wall correspondence in side offers sliding slot, and the inside of the sliding slot is equipped with sliding block, the bottom of the sliding block and the bottom interior wall of sliding slot Between be connected with spring, and fixed frame is connected between two sliding blocks, the inner wall adhesion of the fixed frame has strainer, the fixation The top side of frame is welded with fixes sleeve, and the fixes sleeve has been internally embedded dust suction sponge block, the side of the shell Inner wall is uniformly equipped with motor, and one end of the motor is connected with shaft by shaft coupling, and the outside of the shaft is uniformly socketed There is cutterhead, the outside of the cutterhead is uniformly equipped with scraper, and the axial flow blower and motor are electrically connected with external power supply.
Further, the ventilation shaft is connect with weather screen by fixed frame.
Further, the blower outlet air mouthpiece is flexibly connected with clean air package by buckle.
Further, the scraper is in contact with the surface of strainer.
Further, one end of the shaft is in contact with the side inner wall of shell, and junction is provided with axle bed.
Compared with prior art, the beneficial effects obtained by the present invention are as follows being: the present invention, by being provided with axial flow blower, wind Machine outlet air mouthpiece, ventilation shaft and U-shaped channel can be acted on, really when machine operation by the auxiliary air draught of axial flow blower itself The wind pressure for protecting slice position keeps in the normal range, improving air draught effect, and when air passes through U-shaped channel, can pass through steaming The condensation and discharge of vapour promote air draught effect, are conducive to the air draught effect for enhancing the structure of the twin-screw slice air-suction duct;It is logical It crosses and is provided with motor, shaft, cutterhead, scraper and dust suction sponge block, to maintain the cleanliness of strainer, after preventing long-time use The catharsis of strainer reduces, and greatly increases the clean-up effect of the clean air package, and then promote air quality, guarantees Product is qualified, and by being provided with spring, sliding block and fixed frame, to increase the contact area of scraper and strainer, so that dust is clear That removes is more thorough, improves clean-up effect, is conducive to the practicability for enhancing the structure of the twin-screw slice air-suction duct.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is clean air package structural schematic diagram of the invention.
Fig. 3 is mounting structure for rotating shaft schematic diagram of the invention.
In figure: 1, axial flow blower;2, blower outlet air mouthpiece;3, ventilation shaft;4, tablet press machine;5, mixer;6, weather screen; 7, gap bridge conveyer belt;8, U-shaped channel;9, open mill;10, interleaving agent slot;11, interleaving agent tank;12, bellows;13, the first climbing passes Send band;14, the second climbing conveyer belt;15, clean air package;16, scraper;17, shaft;18, cutterhead;19, fixes sleeve; 20, dust suction sponge block;21, shell;22, sliding block;23, sliding slot;24, spring;25, fixed frame;26, strainer;27, motor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of structure of twin-screw slice air-suction duct, including Axial flow blower 1, blower outlet air mouthpiece 2, ventilation shaft 3, tablet press machine 4, mixer 5, weather screen 6, gap bridge conveyer belt 7, U-shaped channel 8, open mill 9, interleaving agent slot 10, interleaving agent tank 11, climbing conveyer belt 13, the second climbing conveyer belt 14 of bellows 12, first and sky Gas purification assembly 15, the top of tablet press machine 4 are provided with mixer 5, and the right of tablet press machine 4 is provided with open mill 9, open mill 9 Right is equipped with interleaving agent slot 10, and passes through between open mill 9 and interleaving agent slot 10 between tablet press machine 4 and open mill 9 Bridge conveyer belt 7 connects, and the side of interleaving agent slot 10 is connected with interleaving agent tank 11, the side difference of interleaving agent slot 10 by connecting tube First climbing conveyer belt 13 and the second climbing conveyer belt 14 be installed, the first climbing conveyer belt 13 and the second climbing conveyer belt 14 Side is provided with bellows 12, between the top of tablet press machine 4 and the top of the open mill 9 and top of interleaving agent slot 10 and bellows 12 It is respectively connected with ventilation shaft 3 between top, the two sides of ventilation shaft 3 are correspondingly arranged on weather screen 6, at the air inlet of ventilation shaft 3 Axial flow blower 1 is installed, the top of ventilation shaft 3 is connected with blower outlet air mouthpiece 2, the inside peace of blower outlet air mouthpiece 2 Equipped with clean air package 15, the top close to the ventilation shaft 3 of bellows 12 is provided with U-shaped channel 8;Clean air package 15 by Scraper 16, cutterhead 18, fixes sleeve 19, dust suction sponge block 20, shell 21, sliding block 22, sliding slot 23, spring 24, is fixed at shaft 17 Frame 25, strainer 26 and motor 27 form, and the two sides inner wall correspondence of shell 21 offers sliding slot 23, and the inside of sliding slot 23 is equipped with cunning Block 22 is connected with spring 24 between the bottom of sliding block 22 and the bottom interior wall of sliding slot 23, and is connected between two sliding blocks 22 solid Determine frame 25, the inner wall adhesion of fixed frame 25 has strainer 26, and the top side of fixed frame 25 is welded with fixes sleeve 19, fixes sleeve 19 have been internally embedded dust suction sponge block 20, and the side inner wall of shell 21 is uniformly equipped with motor 27, one end of motor 27 passes through Shaft coupling is connected with shaft 17, and the outside of shaft 17 is uniformly socketed with cutterhead 18, and the outside of cutterhead 18 is uniformly equipped with scraper 16, Axial flow blower 1 and motor 27 are electrically connected with external power supply;Ventilation shaft 3 is connect with weather screen 6 by fixed frame, convenient for reasonable Weather screen 6 is installed;Blower outlet air mouthpiece 2 is flexibly connected with clean air package 15 by buckle, air cleaning group easy to disassemble Part 15;Scraper 16 is in contact with the surface of strainer 26, convenient for scraping the spot on 26 surface of strainer;One end of shaft 17 and shell 21 Side inner wall be in contact, and junction is provided with axle bed, convenient for improving stability when shaft 17 rotates;In machine operation When, first start axial flow blower 1, and by axial flow blower 1 by extraneous air from blower outlet air mouthpiece 2, by air cleaning Component 15 and ventilation shaft 3 are drawn into the inside of machine, can be acted on by the auxiliary air draught of axial flow blower 1 itself, it is ensured that slice position The wind pressure set keeps in the normal range, improving air draught effect, and when air passes through U-shaped channel 8, can pass through the condensation of steam And discharge, air draught effect is promoted, the air draught effect for enhancing the structure of the twin-screw slice air-suction duct is conducive to;When air passes through When clean air package 15, can by strainer 26 in air dust and sundries be filtered, and by motor 27 pass through shaft 17 Band movable knife disc 18 rotates, so that scraper 16 scrapes the dust on 26 surface of strainer to dust suction sponge block 20, maintains strainer 26 Cleanliness, prevent for a long time using rear strainer 26 catharsis reduce, greatly increase the clean air package 15 Clean-up effect, and then air quality is promoted, it is qualified to guarantee product, and when scraper 16 strikes off 26 surface dirt of strainer, work as scraper When 16 rising, sliding block 22 can be acted through by the restoring force of spring 24 itself, fixed frame 25 and strainer 26 is pushed to rise, scraped at this time Knife 16 and the contact area of strainer 26 become larger, and dust is removed more thorough, improve clean-up effect, are conducive to enhance double spiral shells The practicability of the structure of bar slice air-suction duct.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (5)

1. a kind of structure of twin-screw slice air-suction duct, including axial flow blower (1), blower outlet air mouthpiece (2), ventilation shaft (3), tablet press machine (4), mixer (5), weather screen (6), gap bridge conveyer belt (7), U-shaped channel (8), open mill (9), interleaving agent slot (10), interleaving agent tank (11), bellows (12), the first climbing conveyer belt (13), the second climbing conveyer belt (14) and air cleaning group Part (15), it is characterised in that: be provided with mixer (5) above the tablet press machine (4), the right setting of the tablet press machine (4) Have open mill (9), the right of the open mill (9) is equipped with interleaving agent slot (10), and between tablet press machine (4) and open mill (9) It is connect by gap bridge conveyer belt (7) between open mill (9) and interleaving agent slot (10), the side of the interleaving agent slot (10) is logical It crosses connecting tube to be connected with interleaving agent tank (11), the side of the interleaving agent slot (10) is separately installed with the first climbing conveyer belt (13) With the second climbing conveyer belt (14), the side of first climbing conveyer belt (13) and the second climbing conveyer belt (14) is provided with wind Case (12), between the top of the tablet press machine (4) and the top of open mill (9) and the top of interleaving agent slot (10) and bellows (12) Top between be respectively connected with ventilation shaft (3), the two sides of the ventilation shaft (3) are correspondingly arranged on weather screen (6), the ventilation It is equipped at the air inlet of pipeline (3) axial flow blower (1), is connected with blower outlet air mouthpiece at the top of the ventilation shaft (3) (2), the inside of the blower outlet air mouthpiece (2) is equipped with clean air package (15), the ventilation close to bellows (12) U-shaped channel (8) are provided at the top of pipeline (3);The clean air package (15) is by scraper (16), shaft (17), cutterhead (18), fixes sleeve (19), dust suction sponge block (20), shell (21), sliding block (22), sliding slot (23), spring (24), fixed frame (25), the two sides inner wall correspondence of strainer (26) and motor (27) composition, the shell (21) offers sliding slot (23), the sliding slot (23) inside is equipped with sliding block (22), is connected with spring between the bottom of the sliding block (22) and the bottom interior wall of sliding slot (23) (24), it and between two sliding blocks (22) is connected with fixed frame (25), the inner wall adhesion of the fixed frame (25) has strainer (26), institute The top side for stating fixed frame (25) is welded with fixes sleeve (19), and the fixes sleeve (19) has been internally embedded dust suction sponge The side inner wall of block (20), the shell (21) is uniformly equipped with motor (27), and one end of the motor (27) passes through shaft coupling It is connected with shaft (17), the outside of the shaft (17) is uniformly socketed with cutterhead (18), and the outside of the cutterhead (18) is uniformly pacified Equipped with scraper (16), the axial flow blower (1) and motor (27) are electrically connected with external power supply.
2. a kind of structure of twin-screw slice air-suction duct according to claim 1, it is characterised in that: the ventilation shaft (3) it is connect with weather screen (6) by fixed frame.
3. a kind of structure of twin-screw slice air-suction duct according to claim 1, it is characterised in that: the blower outlet air Mouthpiece (2) is flexibly connected with clean air package (15) by buckle.
4. a kind of structure of twin-screw slice air-suction duct according to claim 1, it is characterised in that: the scraper (16) It is in contact with the surface of strainer (26).
5. a kind of structure of twin-screw slice air-suction duct according to claim 1, it is characterised in that: the shaft (17) One end be in contact with the side inner wall of shell (21), and junction is provided with axle bed.
CN201811275879.5A 2018-10-30 2018-10-30 Structure of double-screw sheet-discharging air suction pipeline Active CN109333960B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811275879.5A CN109333960B (en) 2018-10-30 2018-10-30 Structure of double-screw sheet-discharging air suction pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811275879.5A CN109333960B (en) 2018-10-30 2018-10-30 Structure of double-screw sheet-discharging air suction pipeline

Publications (2)

Publication Number Publication Date
CN109333960A true CN109333960A (en) 2019-02-15
CN109333960B CN109333960B (en) 2023-12-08

Family

ID=65311184

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811275879.5A Active CN109333960B (en) 2018-10-30 2018-10-30 Structure of double-screw sheet-discharging air suction pipeline

Country Status (1)

Country Link
CN (1) CN109333960B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2709901Y (en) * 2004-06-30 2005-07-13 湖州职业技术学院 Hot air circulation heating device
DE202012001277U1 (en) * 2011-07-29 2012-11-07 Kraussmaffei Berstorff Gmbh suction
CN202910048U (en) * 2012-10-08 2013-05-01 双钱集团(如皋)轮胎有限公司 Air suction device for film cooling and dust removal
US20150239166A1 (en) * 2012-09-27 2015-08-27 Skz-Kfe Ggmbh Kunststoff-Forschung Und -Entwicklung Feed device for feeding fibers during the production of fiber-reinforced plastics materials
WO2018028196A1 (en) * 2016-08-12 2018-02-15 青岛科技大学 Continuous rubber mixing process method
CN207989349U (en) * 2017-12-30 2018-10-19 益安科技工程股份有限公司 A kind of ventilation flow-mixing blower fan
CN209304947U (en) * 2018-10-30 2019-08-27 双钱集团(江苏)轮胎有限公司 A kind of structure of twin-screw slice air-suction duct

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2709901Y (en) * 2004-06-30 2005-07-13 湖州职业技术学院 Hot air circulation heating device
DE202012001277U1 (en) * 2011-07-29 2012-11-07 Kraussmaffei Berstorff Gmbh suction
US20150239166A1 (en) * 2012-09-27 2015-08-27 Skz-Kfe Ggmbh Kunststoff-Forschung Und -Entwicklung Feed device for feeding fibers during the production of fiber-reinforced plastics materials
CN202910048U (en) * 2012-10-08 2013-05-01 双钱集团(如皋)轮胎有限公司 Air suction device for film cooling and dust removal
WO2018028196A1 (en) * 2016-08-12 2018-02-15 青岛科技大学 Continuous rubber mixing process method
CN207989349U (en) * 2017-12-30 2018-10-19 益安科技工程股份有限公司 A kind of ventilation flow-mixing blower fan
CN209304947U (en) * 2018-10-30 2019-08-27 双钱集团(江苏)轮胎有限公司 A kind of structure of twin-screw slice air-suction duct

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张洪阳;朱博;: "胎面称量在线监控系统在胎面生产线上的应用", 轮胎工业, no. 10 *

Also Published As

Publication number Publication date
CN109333960B (en) 2023-12-08

Similar Documents

Publication Publication Date Title
CN107313383A (en) A kind of devices and methods therefor for cleaning collection of being wadded a quilt with cotton for poplar
CN209304947U (en) A kind of structure of twin-screw slice air-suction duct
CN214092224U (en) Improved air inlet structure of air compressor
CN116747641A (en) Waste gas collecting device and method for environmental protection equipment production
CN109333960A (en) A kind of structure of twin-screw slice air-suction duct
CN211634230U (en) Pulse pressurization gasbag prevent blockking up trachea device
CN215030949U (en) Raw materials edulcoration device is used in production of plastics master batch
CN208380992U (en) A kind of dustproof construction of air blower
CN112023550A (en) Dust-containing steam purification device
CN206983035U (en) A kind of inert gas protection device and blend rubber extrusion equipment
CN207957944U (en) A kind of energy-saving and environment-friendly sewage filter device
CN213502867U (en) Marine fungus-shaped gooseneck ventilating duct with good sealing performance
CN210080079U (en) Self-cleaning system for powder cleaning machine
CN209237613U (en) A kind of Novel dust collection device
CN221906206U (en) Industrial dust filter vat
CN220634505U (en) Safety mechanism of moxa pulverizer
CN208448857U (en) Poplar optimization processing exhaust dust device with bag
CN218909182U (en) Extinction powder feeding bin with dust diffusion prevention function
CN219848809U (en) Water bath dust collecting equipment with protective structure
CN216093744U (en) Silica gel straw with stirring function
CN220031102U (en) Filtering component for extruder
CN217490264U (en) Dust collector that precision measurement center was used
CN209107187U (en) The blower fan structure exhausting dust exhaust apparatus of vacuum cleaner
CN215027049U (en) Pollution-free plant straw treatment rapid decomposition device
CN215412365U (en) Air purification removes haze filter screen structure that disinfects

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
GR01 Patent grant
GR01 Patent grant