CN108744781A - Weaving cotton-wool purification recovery device - Google Patents

Weaving cotton-wool purification recovery device Download PDF

Info

Publication number
CN108744781A
CN108744781A CN201810681346.0A CN201810681346A CN108744781A CN 108744781 A CN108744781 A CN 108744781A CN 201810681346 A CN201810681346 A CN 201810681346A CN 108744781 A CN108744781 A CN 108744781A
Authority
CN
China
Prior art keywords
water tank
wool
cotton
wall
bevel gear
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
CN201810681346.0A
Other languages
Chinese (zh)
Other versions
CN108744781B (en
Inventor
蔡奕文
许恩典
蔡奕武
赵艳娜
许锰镑
许四川
韩庆华
周端硕
邱明明
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.)
CANAAN (FUJIAN) NEW MATERIAL TECHNOLOGY Co Ltd
Original Assignee
CANAAN (FUJIAN) NEW MATERIAL TECHNOLOGY 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 CANAAN (FUJIAN) NEW MATERIAL TECHNOLOGY Co Ltd filed Critical CANAAN (FUJIAN) NEW MATERIAL TECHNOLOGY Co Ltd
Priority to CN201810681346.0A priority Critical patent/CN108744781B/en
Publication of CN108744781A publication Critical patent/CN108744781A/en
Application granted granted Critical
Publication of CN108744781B publication Critical patent/CN108744781B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B01D46/18Particle separators, e.g. dust precipitators, using filtering belts
    • B01D46/20Particle separators, e.g. dust precipitators, using filtering belts the belts combined with drums
    • 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
    • B01D46/18Particle separators, e.g. dust precipitators, using filtering belts
    • B01D46/185Construction of filtering belts or supporting belts including devices for centering, mounting or sealing thereof
    • 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
    • B01D46/18Particle separators, e.g. dust precipitators, using filtering belts
    • B01D46/22Particle separators, e.g. dust precipitators, using filtering belts the belts travelling during filtering
    • 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

Landscapes

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

Abstract

The invention discloses weaving cotton-wool purification recovery device, including water tank, the top surface of the water tank is inclined-plane, and the top perforation of water tank is connected with vertical case, and the side perforation of vertical case is connected with dust hood, and the other side perforation of vertical case is connected with extractor fan.The configuration of the present invention is simple, first motor and the second motor is respectively started, first motor drives flabellum rotation, negative pressure is formed in dust hood, cotton-wool in surrounding air is sucked, and it falls on strainer band, second motor drives drive roll to rotate counterclockwise, drive roll and rotating cylinder match and, band electric filter band rotates counterclockwise, the cotton-wool of absorption on it is brought into water, and under buoyancy, cotton-wool enters along the inclined-plane of tank top in row's wadding pipe, simultaneously, strainer band is rotated by rotating cylinder and chain-driving first bevel gear, first bevel gear is engaged with second bevel gear, drive helical blade shaft rotation dynamic, it is outer to which cotton-wool to be constantly discharged to wadding pipe, it can collect and be continuing with, not only it had purified working environment but also waste material can be collected.

Description

Weaving cotton-wool purification recovery device
Technical field
The present invention relates to textile technology fields, more particularly to weaving cotton-wool purification recovery device.
Background technology
Weaving original meaning is taken from the general name of spinning and woven fabric, but with the continuous hair of textile knowledge system and subject system Exhibition and perfect, after the technologies such as especially non-woven textile material and three-dimensional be composite braided generate, present weaving has been not only Traditional hand spinning and woven fabric also includes nonwoven fabric technology, Modern three-dimensional knitting skill, modern electrostatic nano-netting technology etc. The clothes of production are used, industry is used, decorative textile product;In fabrication processes, due to the friction between machinery and textile fabric, it can make There is cotton-wool in spinning and weaving workshop, and workshop condition is made to deteriorate, and existing cleaning equipment is less efficient, and can not be returned cotton-wool It receives.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and the weaving cotton-wool Recovery Purifying dress proposed It sets.
To achieve the goals above, present invention employs following technical solutions:
It weaves cotton-wool purification recovery device, including water tank, the top surface of the water tank is inclined-plane, and the top perforation of water tank is connected with vertical The side perforation of case, vertical case is connected with dust hood, and the other side perforation of vertical case is connected with extractor fan, and the side wall of the water tank passes through Lead to the row's wadding pipe for being connected to and being obliquely installed, row's wadding pipe is interior to be equipped with helical-blade bobbin, and the end of helical-blade bobbin, which rotates, to be socketed with The outer ring of the inner ring of bearing, bearing is connect by supporting rod with the inner wall of row's wadding pipe, and the helical blade axle position is in water tank One end is socketed with second bevel gear, and second bevel gear is engaged with first bevel gear, and first bevel gear passes through first rotating shaft and water tank Inner wall rotation connection, be socketed with the first sprocket wheel in first rotating shaft, the inner wall of the vertical case is rotatably connected to drive roll, the water There are four the rotating cylinders of trapezoidal distribution for the inner wall rotation connection of case, by strainer band connection between rotating cylinder and drive roll, close to the The rotating cylinder of one bevel gear is connected with the second sprocket wheel by the second shaft, and the second sprocket wheel is connect with the first sprocket wheel by chain, described The inner ring of strainer band is equipped with jittering device, and one end of the drive roll is run through the inner wall of vertical case and connected with the output end of the second motor It connects, the second motor is connect by holder with the outer wall of vertical case.
Preferably, the extractor fan includes the circular cowling being connect with vertical box outer wall, and the inner wall of circular cowling is connected by strut It is connected to first motor, the output end of first motor is connected with flabellum.
Preferably, the jittering device includes the friction pulley being rotatablely connected with tank inner wall, and friction pulley is interior with strainer band Circle contact, friction pulley are coaxially connected with cam, and the side of the cam, which contradicts, slide bar, and spring and limit are respectively sleeved on slide bar Position block, the both ends of the spring are connect with limited block and slide bar respectively, the inner wall connection of the limited block and water tank.
Preferably, the both ends of the slide bar are rotatably connected to idler wheel.
Preferably, the inner wall of the vertical case is connected with draught deflector, and draught deflector is between strainer band.
Preferably, it is equipped with anti-skid chequer on the rotating cylinder, drive roll and strainer band.
Preferably, the helical-blade bobbin is equipped with permeable hole.
Preferably, the bottom of the water tank is connected with universal wheel.
Compared with prior art, the beneficial effects of the invention are as follows:First motor and is respectively started in the configuration of the present invention is simple Two motors, first motor drive flabellum rotation, form negative pressure in dust hood, cotton-wool in surrounding air is sucked, and fall and filtering On guipure, the second motor drives drive roll to rotate counterclockwise, drive roll and rotating cylinder match and, band electric filter band rotates counterclockwise, will The cotton-wool of absorption on it is brought into water, and under buoyancy, and cotton-wool enters along the inclined-plane of tank top in row's wadding pipe, together When, strainer band is rotated by rotating cylinder and chain-driving first bevel gear, and first bevel gear is engaged with second bevel gear, drives spiral Sharf rotates, outer to which cotton-wool to be constantly discharged to wadding pipe, can collect and be continuing with, not only purify working environment but also can receive Collect waste material.
Description of the drawings
Fig. 1 is structural schematic diagram proposed by the present invention;
Fig. 2 is part A schematic enlarged-scale view in Fig. 1.
In figure:Dust hood 1, vertical case 2, strainer band 3, water tank 4, rotating cylinder 5, drive roll 6, circular cowling 7, first motor 8, flabellum 9, first bevel gear 10, second bevel gear 11, helical-blade bobbin 12, row's wadding pipe 13, bearing 14, chain 15, spring 16, cam 17, friction pulley 18, runner 19, slide bar 20, limited block 21.
Specific implementation mode
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 describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, weaving cotton-wool purification recovery device, including water tank 4, the bottom of water tank 4 are connected with universal wheel, convenient Mobile, the top surface of water tank 4 is inclined-plane, and the top perforation of water tank 4 is connected with vertical case 2, and the inner wall of vertical case 2 is connected with draught deflector, keeps off Pomphus increases the wind-force of dust hood 1 between strainer band 3, and the side perforation of vertical case 2 is connected with dust hood 1, stands the another of case 2 Side perforation is connected with extractor fan, and extractor fan includes the circular cowling 7 being connect with 2 outer wall of vertical case, and the inner wall of circular cowling 7 passes through Strut is connected with first motor 8, and the output end of first motor 8 is connected with flabellum 9, and negative pressure is formed in dust hood 1, will be in air Cotton-wool sucks, and falls in strainer band 3, and the side wall perforation of water tank 4 is connected with the row's wadding pipe 13 being obliquely installed, and is equipped in row's wadding pipe 13 Helical-blade bobbin 12, the end of helical-blade bobbin 12 rotate the inner ring for being socketed with bearing 14, and helical-blade bobbin 12 is equipped with saturating Water hole, raising is permeable, and vane bobbin 12 is avoided to take water out of, and the outer ring of bearing 14 passes through the inner wall company of supporting rod and row's wadding pipe 13 It connects, helical-blade bobbin 12 is located at one end in water tank 4 and is socketed with second bevel gear 11, and second bevel gear 11 is engaged with the first cone tooth Wheel 10, first bevel gear 10 are rotatablely connected by the inner wall of first rotating shaft and water tank 4, and the first sprocket wheel is socketed in first rotating shaft.
The inner wall of vertical case 2 is rotatably connected to drive roll 6, and the inner wall rotation connection of water tank 4 turns there are four trapezoidal distribution Cylinder 5 leads to screen belt 3 and connects, is equipped with anti-skid chequer on rotating cylinder 5, drive roll 6 and strainer band 3, increases between rotating cylinder 5 and drive roll 6 Big friction, the rotating cylinder 5 close to first bevel gear 10 are connected with the second sprocket wheel by the second shaft, and the second sprocket wheel and the first sprocket wheel are logical The connection of chain 15 is crossed, the inner ring of strainer band 3 is equipped with jittering device, and jittering device includes the friction being rotatablely connected with 4 inner wall of water tank Wheel 18, friction pulley 18 is contacted with the inner ring of strainer band 3, and friction pulley 18 is coaxially connected with cam 17, and the side of cam 17, which contradicts, to be had Slide bar 20, is respectively sleeved on spring 16 and limited block 21 on slide bar 20, the both ends of spring 16 respectively with limited block 21 and slide bar 20 Connection, limited block 21 are connect with the inner wall of water tank 4, and strainer band 3 is made to vibrate, and remaining cotton-wool on strainer band 3 is stayed in water, sliding The both ends of bar 20 are rotatably connected to idler wheel, reduce friction, one end of drive roll 6 run through the inner wall of vertical case 2 and with the second motor Output end connection, the second motor connect by holder with the outer wall of vertical case 2, and first motor 8 and the second motor pass through conducting wire It is connect with external power supply.
Operation principle:First motor 8 and the second motor is respectively started, first motor 8 drives flabellum 9 to rotate, in dust hood 1 Interior formation negative pressure, cotton-wool in surrounding air is sucked, and is fallen on strainer band 3, and the second motor drives drive roll 6 to turn counterclockwise Dynamic, drive roll 6 and rotating cylinder 5 match and rotate counterclockwise, the cotton-wool of absorption on it is brought into water, and floating with electric filter band 3 Under force effect, cotton-wool enters along the inclined-plane at 4 top of water tank in row's wadding pipe 13, meanwhile, strainer band 3 passes through 15 band of rotating cylinder 5 and chain Dynamic first bevel gear 10 rotates, and first bevel gear 10 is engaged with second bevel gear 11, and helical-blade bobbin 12 is driven to rotate, thus will Cotton-wool is constantly discharged outside wadding pipe 13, can collect and be continuing with, not only purify working environment but also can collect waste material.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. cotton-wool purification recovery device of weaving, including water tank(4), which is characterized in that the water tank(4)Top surface be inclined-plane, water Case(4)Top perforation be connected with vertical case(2), found case(2)Side perforation be connected with dust hood(1), found case(2)The other side Perforation is connected with extractor fan, the water tank(4)Side wall perforation be connected with the row that is obliquely installed and wad a quilt with cotton pipe(13), row's wadding pipe(13) It is interior to be equipped with helical-blade bobbin(12), helical-blade bobbin(12)End rotate and be socketed with bearing(14)Inner ring, bearing(14) Outer ring pass through supporting rod with row wadding pipe(13)Inner wall connection, the helical-blade bobbin(12)Positioned at water tank(4)Interior one end It is socketed with second bevel gear(11), second bevel gear(11)It is engaged with first bevel gear(10), first bevel gear(10)Pass through One shaft and water tank(4)Inner wall rotation connection, be socketed with the first sprocket wheel, the vertical case in first rotating shaft(2)Inner wall rotation It is connected with drive roll(6), the water tank(4)Inner wall rotation connection there are four trapezoidal distribution rotating cylinder(5), rotating cylinder(5)With Drive roll(6)Between lead to screen belt(3)Connection, close to first bevel gear(10)Rotating cylinder(5)It is connected with by the second shaft Second sprocket wheel, the second sprocket wheel and the first sprocket wheel pass through chain(15)Connection, the strainer band(3)Inner ring be equipped with jittering device, The drive roll(6)One end run through vertical case(2)Inner wall and connect with the output end of the second motor, the second motor passes through holder With vertical case(2)Outer wall connection.
2. weaving cotton-wool purification recovery device according to claim 1, which is characterized in that the extractor fan includes and stands Case(2)The circular cowling of outer wall connection(7), circular cowling(7)Inner wall first motor is connected with by strut(8), first motor(8) Output end be connected with flabellum(9).
3. weaving cotton-wool purification recovery device according to claim 1, which is characterized in that the jittering device includes and water Case(4)The friction pulley of inner wall rotation connection(18), friction pulley(18)With strainer band(3)Inner ring contact, friction pulley(18)Coaxially It is connected with cam(17), the cam(17)Side contradict have slide bar(20), slide bar(20)On be respectively sleeved on spring(16) And limited block(21), the spring(16)Both ends respectively with limited block(21)And slide bar(20)Connection, the limited block(21) With water tank(4)Inner wall connection.
4. weaving cotton-wool purification recovery device according to claim 3, which is characterized in that the slide bar(20)Both ends it is equal It is rotatably connected to idler wheel.
5. weaving cotton-wool purification recovery device according to claim 1, which is characterized in that the vertical case(2)Inner wall connect It is connected to draught deflector, draught deflector is located at strainer band(3)Between.
6. weaving cotton-wool purification recovery device according to claim 1, which is characterized in that the rotating cylinder(5), drive roll (6)With strainer band(3)On be equipped with anti-skid chequer.
7. weaving cotton-wool purification recovery device according to claim 1, which is characterized in that the helical-blade bobbin(12)On Equipped with permeable hole.
8. weaving cotton-wool purification recovery device according to claim 1, which is characterized in that the water tank(4)Bottom connect It is connected to universal wheel.
CN201810681346.0A 2018-06-27 2018-06-27 Purification and recovery device for textile cotton wool Expired - Fee Related CN108744781B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810681346.0A CN108744781B (en) 2018-06-27 2018-06-27 Purification and recovery device for textile cotton wool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810681346.0A CN108744781B (en) 2018-06-27 2018-06-27 Purification and recovery device for textile cotton wool

Publications (2)

Publication Number Publication Date
CN108744781A true CN108744781A (en) 2018-11-06
CN108744781B CN108744781B (en) 2020-09-08

Family

ID=63974279

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810681346.0A Expired - Fee Related CN108744781B (en) 2018-06-27 2018-06-27 Purification and recovery device for textile cotton wool

Country Status (1)

Country Link
CN (1) CN108744781B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112516705A (en) * 2020-11-11 2021-03-19 梁桂清 Dust removal protection method for building construction
CN113440933A (en) * 2021-05-13 2021-09-28 桐乡市瑞炬纺织品有限公司 Cleaning equipment is retrieved to batting of textile production usefulness
CN114130781A (en) * 2021-12-09 2022-03-04 深圳市永洁净化工程有限公司 Intelligent dust removal system and device for dust-free workshop
CN114931836A (en) * 2022-06-28 2022-08-23 净呼吸生物科技有限公司 Dust collector for sanitary towel production line
CN114992912A (en) * 2022-05-30 2022-09-02 山东和同信息科技股份有限公司 Comprehensive energy utilization system for coupling air source heat pump with photovoltaic power generation
CN115307252A (en) * 2022-10-10 2022-11-08 南通玖溯环保科技有限公司 Air purification device for textile workshop
CN116510434A (en) * 2023-07-03 2023-08-01 江西理工大学 Smelting furnace with tail gas treatment function for rare earth metal production

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060144469A1 (en) * 2004-12-30 2006-07-06 Bor-Yann Chuang Waste exhausing device for a planing machine
CN201603501U (en) * 2010-02-26 2010-10-13 中铁十七局集团有限公司 Filtering dust removing device
CN106552473A (en) * 2016-12-01 2017-04-05 冯大兰 A kind of filter
CN206372616U (en) * 2017-01-17 2017-08-04 张家港市超声电气有限公司 Gas cleaning plant
CN206570136U (en) * 2017-01-22 2017-10-20 徐旭 A kind of immersion water purifying device
CN206700977U (en) * 2017-03-23 2017-12-05 安徽恒宇环保设备制造股份有限公司 A kind of dust guard with reversely vibrations dedusting
CN107440040A (en) * 2017-08-15 2017-12-08 正安县云涛蜂业有限公司 Honey process equipment
CN206881365U (en) * 2017-07-05 2018-01-16 河北慧之源科技服务有限公司 Dedusting mechanism and integrated fume processing unit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060144469A1 (en) * 2004-12-30 2006-07-06 Bor-Yann Chuang Waste exhausing device for a planing machine
CN201603501U (en) * 2010-02-26 2010-10-13 中铁十七局集团有限公司 Filtering dust removing device
CN106552473A (en) * 2016-12-01 2017-04-05 冯大兰 A kind of filter
CN206372616U (en) * 2017-01-17 2017-08-04 张家港市超声电气有限公司 Gas cleaning plant
CN206570136U (en) * 2017-01-22 2017-10-20 徐旭 A kind of immersion water purifying device
CN206700977U (en) * 2017-03-23 2017-12-05 安徽恒宇环保设备制造股份有限公司 A kind of dust guard with reversely vibrations dedusting
CN206881365U (en) * 2017-07-05 2018-01-16 河北慧之源科技服务有限公司 Dedusting mechanism and integrated fume processing unit
CN107440040A (en) * 2017-08-15 2017-12-08 正安县云涛蜂业有限公司 Honey process equipment

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112516705A (en) * 2020-11-11 2021-03-19 梁桂清 Dust removal protection method for building construction
CN113440933A (en) * 2021-05-13 2021-09-28 桐乡市瑞炬纺织品有限公司 Cleaning equipment is retrieved to batting of textile production usefulness
CN114130781A (en) * 2021-12-09 2022-03-04 深圳市永洁净化工程有限公司 Intelligent dust removal system and device for dust-free workshop
CN114992912A (en) * 2022-05-30 2022-09-02 山东和同信息科技股份有限公司 Comprehensive energy utilization system for coupling air source heat pump with photovoltaic power generation
CN114931836A (en) * 2022-06-28 2022-08-23 净呼吸生物科技有限公司 Dust collector for sanitary towel production line
CN114931836B (en) * 2022-06-28 2023-05-12 净呼吸生物科技有限公司 Dust collector for sanitary towel production line
CN115307252A (en) * 2022-10-10 2022-11-08 南通玖溯环保科技有限公司 Air purification device for textile workshop
CN115307252B (en) * 2022-10-10 2023-12-05 南通玖溯环保科技有限公司 Air purification device for textile workshop
CN116510434A (en) * 2023-07-03 2023-08-01 江西理工大学 Smelting furnace with tail gas treatment function for rare earth metal production
CN116510434B (en) * 2023-07-03 2023-10-13 江西理工大学 Smelting furnace with tail gas treatment function for rare earth metal production

Also Published As

Publication number Publication date
CN108744781B (en) 2020-09-08

Similar Documents

Publication Publication Date Title
CN108744781A (en) Weaving cotton-wool purification recovery device
CN107175249A (en) A kind of adjustable weaving dirt dust arrester
CN207713975U (en) A kind of fabric device for deburring convenient for collection flash
CN208762729U (en) A kind of textile cloth ironing collection device
WO2021169312A1 (en) Textile machine with airflow conveyor and filtering device
CN109047262A (en) A kind of spinning and weaving workshop dust guard
CN108380535A (en) A kind of dust-extraction unit of weaving
CN111321578A (en) Efficient textile fabric dust collecting equipment
CN107326635A (en) A kind of spinning dust collector
CN210529138U (en) Spinning dust treatment device for grey-colored spun yarns
CN208533051U (en) A kind of non-woven fabrics lapper can automated cleaning prepressing device
CN206858844U (en) A kind of efficient dust exhaust apparatus of roughing-up machine
CN108838145A (en) A kind of Weaving device with cleaning device
CN108729059A (en) A kind of textile cloth cleaning device
CN211388923U (en) Novel waterproofing membrane side cut device
CN218306771U (en) Dust blowing device of shot blasting machine
CN207130518U (en) A kind of spinning dust collector
CN212384243U (en) Weaving is with weaving quick-witted weaving dirt collection device
CN207435598U (en) A kind of anti-blocking efficient cotton spinning dedusting impurity removing device
CN213866983U (en) Thread layer carding device for spinning
CN211384353U (en) Dust control device in organic cotton spinning
CN213652906U (en) Cloth belt cleaning device for textile processing
CN212533252U (en) Weaving equipment with clean mechanism
CN210341441U (en) Non-woven product surface cleaning device
CN207886891U (en) A kind of spinning and weaving workshop Special dedusting 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
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200908