CN113198270A - Dust collecting device for cement production site - Google Patents

Dust collecting device for cement production site Download PDF

Info

Publication number
CN113198270A
CN113198270A CN202110489533.0A CN202110489533A CN113198270A CN 113198270 A CN113198270 A CN 113198270A CN 202110489533 A CN202110489533 A CN 202110489533A CN 113198270 A CN113198270 A CN 113198270A
Authority
CN
China
Prior art keywords
box body
filter cartridge
air inlet
laminating roller
scraper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110489533.0A
Other languages
Chinese (zh)
Inventor
冯吉祥
郝永春
杨德鑫
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.)
Henan Mengdian Group Cement Co Ltd
Original Assignee
Henan Mengdian Group Cement 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 Henan Mengdian Group Cement Co Ltd filed Critical Henan Mengdian Group Cement Co Ltd
Priority to CN202110489533.0A priority Critical patent/CN113198270A/en
Publication of CN113198270A publication Critical patent/CN113198270A/en
Pending legal-status Critical Current

Links

Images

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
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411Filter cartridges
    • 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
    • B01D46/42Auxiliary equipment or operation thereof
    • B01D46/48Removing dust other than cleaning filters, e.g. by using collecting trays
    • 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

Abstract

The invention discloses a dust collecting device for a cement production site, which comprises a box body, a filter cylinder, a first laminating roller, a second laminating roller and a filter cylinder cleaning and collecting assembly, wherein the filter cylinder is rotatably arranged in the box body, an annular filter screen is arranged on the side wall of the filter cylinder, an air inlet channel is arranged at the top of the box body, the first laminating roller and the second laminating roller are respectively arranged on the side wall of the filter cylinder in a contact manner, the air inlet channel is arranged at two ends of the filter cylinder in a laminating and sliding manner, sealing bulges are arranged at the bottoms of two opposite side walls of the air inlet channel, sealing gaskets are arranged on the sealing bulges, and the first laminating roller and the second laminating roller are respectively arranged on two groups of sealing gaskets in a laminating and rotating manner. The invention relates to the technical field of cement production equipment, and particularly provides a dust collecting device for a cement production site.

Description

Dust collecting device for cement production site
Technical Field
The invention relates to the technical field of cement production equipment, in particular to a dust collecting device for a cement production site.
Background
At present, in cement production places, particularly production places, due to the characteristics of cement powder, the cement powder inside the cement production places pollutes the environment, and meanwhile, certain waste is caused by the dust, and the body of workers is injured.
Disclosure of Invention
In view of the above, the present invention provides a dust collecting apparatus for cement manufacturing plants to overcome the drawbacks of the prior art.
The technical scheme adopted by the invention is as follows: the invention relates to a dust collecting device for a cement production site, which comprises a box body, a filter cartridge, a first laminating roller, a second laminating roller and a filter cartridge cleaning and collecting assembly, wherein the filter cartridge is rotatably arranged in the box body, an annular filter screen is arranged on the side wall of the filter cartridge, an air inlet channel is arranged at the top of the box body, the first laminating roller and the second laminating roller are respectively arranged on the side wall of the filter cartridge in a contact manner, the air inlet channel is arranged at two ends of the filter cartridge in a laminating and sliding manner, the two ends of the filter cartridge are laminated and sealed by the air inlet channel, sealing bulges are arranged at the bottoms of two opposite side walls of the air inlet channel, sealing gaskets are arranged on the sealing bulges, the first laminating roller and the second laminating roller are respectively arranged on two groups of sealing gaskets in a laminating and rotating manner, two pairs of the first laminating roller and the second laminating roller are used for laminating and sealing two sides of the filter cartridge, the filter cartridge cleaning and collecting assembly is arranged in the box body and is positioned at the bottom of the filter cartridge, the filter cartridge cleaning and collecting assembly comprises a partition plate, a mounting plate, a driver, a first support, a first scraper, a first fixing support, an extrusion spring, a second fixing support and a cleaning brush, wherein the partition plate is arranged at the middle lower part in the box body and is positioned below the filter cartridge, a collecting door hole is formed in the partition plate, the middle part of the mounting plate is rotatably arranged in the collecting door hole through a connecting shaft, the driver is arranged on the side wall of the box body and is positioned below the partition plate, the driver is connected with the mounting plate, the first support is arranged on the mounting plate, the first scraper is hinged on the first support, the first fixing support is arranged on the first support, the extrusion spring is arranged on the first fixing support and the first scraper, the second fixing support is arranged on the mounting plate, the cleaning brush is arranged on the second fixing support, a collecting funnel piece is arranged in the box body, and the collecting funnel piece is positioned between the partition plate and the filter cartridge, during the use, the air current gets into and filters through straining the ring filter screen on the section of thick bamboo from inlet channel, and the air current after the filtration can be followed the cartridge filter open end and flowed, and the dust gathers on the ring filter screen surface during the filtration, carries to when being close to the mounting panel at the dust by ring filter screen, starts the driver and drives mounting panel turned angle, makes a laminating of scraper carry out scraping of dust on the ring filter screen, and the cleaning brush brushes ring filter screen simultaneously, and the dust that drops is collected to bottom half along the mounting panel gliding.
Further, the driver includes fixed slide rail, drive lead screw, motor one, slider and connecting rod, fixed slide rail is located on the box lateral wall, drive lead screw rotates and locates in the fixed slide rail, motor one is located on the box lateral wall and is connected with drive lead screw, the slider slides and locates on the fixed slide rail and cup joint through the screw hole and locate on the drive lead screw, the connecting rod is articulated to be located on the slider and on the mounting panel.
Furthermore, a first surface dust remover is arranged in the box body, and the first surface dust remover is connected with the first laminating roller.
Further, one surface dust remover comprises a third fixed support, a second scraper and a pushing spring, the third fixed support is arranged on the box body, the second scraper is hinged to the third fixed support and contacts with the first attaching roller in a fitting manner, the pushing spring is arranged on the box body and is arranged on the second scraper, and the pushing spring is used for tightly extruding the second scraper to clean the surface of the first attaching roller on the first attaching roller.
Further, a second surface dust remover is arranged in the air inlet channel and connected with the second laminating roller.
Further, two include fixing support four, scraper blade three and extension spring, fixing support four locates on the inlet channel lateral wall, three hinges of scraper blade are located on fixing support four and the laminating contact is located laminating roller two, extension spring locates on the inlet channel lateral wall and locates on the scraper blade three, utilizes extension spring to closely extrude the scraper blade three and clean laminating roller two surfaces on laminating roller two.
Further, the top of the box body is provided with an air inlet pipe, and the air inlet pipe is communicated with the air inlet channel.
Furthermore, a ring gear is sleeved at one end of the filter cylinder, a second motor is arranged in the box body, a driving gear is arranged on the second motor, and the driving gear is meshed with the ring gear.
Furthermore, a limit gear is arranged in the box body in a rotating mode and meshed with the ring gear.
Furthermore, the bottom of the box body is provided with an ash discharge pipe.
The invention with the structure has the following beneficial effects: this scheme air current gets into and filters through straining the ring filter screen on the section of thick bamboo from inlet channel, the air current after filtering can follow the cartridge filter open end and flow, the dust gathers on ring filter screen surface during the filtration, and be stained with simultaneously and attach on laminating roller one and laminating roller two, then utilize scraper one, three laminatings of scraper blade two and scraper blade are at ring filter screen, carry out striking off of dust on laminating roller one and the laminating roller two, the cleaning brush brushes ring filter screen simultaneously, the dust that drops is collected to the bottom half along the mounting panel gliding, through the not intermittent type to ring filter screen, laminating roller one and laminating roller two clean, guarantee the filter effect of air current, and do benefit to and collect the dust and deposit.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view showing the overall construction of a dust collecting apparatus for a cement manufacturing site according to the present invention;
FIG. 2 is a schematic structural view of a dust collecting apparatus case for a cement manufacturing site according to the present invention;
FIG. 3 is a schematic structural view of a filter cartridge of a dust collecting apparatus for a cement plant according to the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 1 of a dust collecting apparatus for a cement plant according to the present invention;
FIG. 5 is an enlarged view of a portion B of FIG. 1 of a dust collecting apparatus for a cement plant according to the present invention;
FIG. 6 is a schematic view showing the construction of a dust collecting apparatus drive for a cement manufacturing site according to the present invention.
The device comprises a box body 1, a box body 2, an air inlet pipe 3, a filter cartridge 4, a first attaching roller 5, a second attaching roller 6, a filter cartridge cleaning and collecting assembly 7, a sealing bulge 8, a partition plate 9, a mounting plate 10, a driver 11, a first support 12, a first scraper 13, a first fixed support 14, an extrusion spring 15, a second fixed support 16, a cleaning brush 17, a collecting hopper part 18, a fixed slide rail 19, a sealing gasket 20, a first motor 21, a slide block 22, a connecting rod 23, a first surface dust remover 24, a third fixed support 25, a second scraper 26, an extrusion spring 27, a second surface dust remover 28, a fourth fixed support 29, a third scraper 30, a tension spring 31, an ash discharge pipe 32, an annular gear 33, a second motor 34, a limiting gear 35, an air inlet channel 36 and an annular filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-6, the dust collecting device for cement manufacturing site of the present invention comprises a box 1, a filter cartridge 3, a first applying roller 4, a second applying roller 5 and a cleaning and collecting assembly 6 for filter cartridge, wherein the filter cartridge 3 is rotatably disposed in the box 1, a ring-shaped filter screen 36 is disposed on the sidewall of the filter cartridge 3, an air inlet channel 35 is disposed at the top of the box 1, the first applying roller 4 and the second applying roller 5 are respectively disposed on the sidewall of the filter cartridge 3 in a contacting manner, the air inlet channel 35 is slidably disposed at two ends of the filter cartridge 3 in an applying manner, sealing protrusions 7 are disposed at the bottoms of two opposite sidewalls of the air inlet channel 35, sealing pads 19 are disposed on the sealing protrusions 7, the first applying roller 4 and the second applying roller 5 are respectively disposed on two sets of sealing pads 19 in an applying manner, the cleaning and collecting assembly 6 for filter cartridge is disposed in the box 1 and at the bottom of the filter cartridge 3, the cleaning and collecting assembly 6 for filter cartridge includes a partition plate 8, Mounting panel 9, driver 10, support 11, scraper 12, fixing support 13, extrusion spring 14, two 15 and cleaning brush 16, baffle 8 is located box 1 interior lower part and is located the below of cartridge filter 3, be equipped with the collection door hole on the baffle 8, the mounting panel 9 middle part is rotated through the connecting axle and is located in the collection door hole, driver 10 is located on the box 1 lateral wall and is located baffle 8 below, driver 10 is connected with mounting panel 9, support 11 is located on mounting panel 9, scraper 12 articulates on support 11, fixing support 13 is located on support 11, extrusion spring 14 is located on fixing support 13 and scraper 12, two 15 of fixing support are located on mounting panel 9, cleaning brush 16 is located on two 15 of fixing support, be equipped with collection funnel spare 17 in the box 1, the collection funnel 17 is located between the baffle plate 8 and the filter cartridge 3.
The driver 10 comprises a fixed slide rail 18, a driving screw (not shown in the figure), a first motor 20, a sliding block 21 and a connecting rod 22, wherein the fixed slide rail 18 is arranged on the side wall of the box body 1, the driving screw is rotatably arranged in the fixed slide rail 18, the first motor 20 is arranged on the side wall of the box body 1 and is connected with the driving screw, the sliding block 21 is slidably arranged on the fixed slide rail 18 and is sleeved on the driving screw through a threaded hole, and the connecting rod 22 is hinged on the sliding block 21 and the mounting plate 9; a first surface dust remover 23 is arranged in the box body 1, and the first surface dust remover 23 is connected with the first laminating roller 4; the first surface dust remover 23 comprises a third fixed support 24, a second scraper 25 and a pushing spring 26, the third fixed support 24 is arranged on the box body 1, the second scraper 25 is hinged on the third fixed support 24 and is arranged on the first attaching roller 4 in an attaching contact manner, and the pushing spring 26 is arranged on the box body 1 and is arranged on the second scraper 25; a second surface dust remover 27 is arranged in the air inlet channel 35, and the second surface dust remover 27 is connected with the second laminating roller 5; the second surface dust collector 27 comprises a fourth fixed support 28, a third scraper 29 and an extension spring 30, the fourth fixed support 28 is arranged on the side wall of the air inlet channel 35, the third scraper 29 is hinged to the fourth fixed support 28 and is arranged on the second laminating roller 5 in a laminating contact manner, and the extension spring 30 is arranged on the side wall of the air inlet channel 35 and is arranged on the third scraper 29; the top of the box body 1 is provided with an air inlet pipe 2, and the air inlet pipe 2 is communicated with an air inlet channel 35; one end of the filter cartridge 3 is sleeved with a ring gear 32, a second motor 33 is arranged in the box body 1, a driving gear is arranged on the second motor 33, and the driving gear is meshed with the ring gear 32; a limit gear 34 is rotatably arranged in the box body 1, and the limit gear 34 is meshed with the ring gear 32; the bottom of the box body 1 is provided with an ash discharge pipe 31.
During the specific use, the air current is from intake pipe 2, inlet channel 35 gets into and filters through annular filter screen 36 on straining a section of thick bamboo 3, the air current after filtering can flow from the cartridge filter 3 open end, the dust gathers on annular filter screen 36 surface during the filtration, and be stained with simultaneously on laminating roller one 4 and laminating roller two 5, then utilize scraper one 12, scraper two 25 and scraper three 29 laminating to carry out scraping of dust on annular filter screen 36, laminating roller one 4 and laminating roller two 5, cleaning brush 16 brushes annular filter screen 36 simultaneously, the dust that drops slides to box 1 bottom along mounting panel 9 and collects, through the cleaning of the annular filter screen 36 of non-intermittent type, laminating roller one 4 and laminating roller two 5.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a dust collection device for cement manufacture place which characterized in that: the filter cartridge cleaning and collecting device comprises a box body, a filter cartridge, a first laminating roller, a second laminating roller and a filter cartridge cleaning and collecting assembly, wherein the filter cartridge is rotatably arranged in the box body, an annular filter screen is arranged on the side wall of the filter cartridge, an air inlet channel is arranged at the top of the box body, the first laminating roller and the second laminating roller are respectively contacted with the side wall of the filter cartridge, the air inlet channel is arranged at the two ends of the filter cartridge in a laminating and sliding manner, sealing bulges are arranged at the bottoms of the two opposite side walls of the air inlet channel, sealing gaskets are arranged on the sealing bulges, the first laminating roller and the second laminating roller are respectively rotatably arranged on two groups of sealing gaskets, the filter cartridge cleaning and collecting assembly is arranged in the box body and positioned at the bottom of the filter cartridge, the filter cartridge cleaning and collecting assembly comprises a partition plate, a mounting plate, a driver, a first support, a first scraper, a first fixing support, an extrusion spring, a second fixing support and a cleaning brush, the partition plate is arranged at the middle lower part in the box body and positioned below the filter cartridge, be equipped with on the baffle and collect the door opening, the mounting panel middle part is rotated through the connecting axle and is located in collecting the door opening, the driver is located on the box lateral wall and is located the baffle below, the driver is connected with the mounting panel, first support is located on the mounting panel, first scraper is articulated to be located on the support, fixing support is located on the support, the extrusion spring is located on fixing support one and the scraper, fixing support two is located on the mounting panel, the cleaning brush is located on fixing support two, be equipped with in the box and collect the funnel spare, it is located between baffle and the cartridge filter to collect the funnel spare.
2. The dust collecting apparatus for cement manufacturing site according to claim 1, wherein: the driver comprises a fixed slide rail, a driving screw rod, a first motor, a sliding block and a connecting rod, the fixed slide rail is arranged on the side wall of the box body, the driving screw rod is rotatably arranged in the fixed slide rail, the first motor is arranged on the side wall of the box body and connected with the driving screw rod, the sliding block is slidably arranged on the fixed slide rail and is sleeved on the driving screw rod through a threaded hole, and the connecting rod is hinged on the sliding block and the mounting plate.
3. The dust collecting apparatus for a cement plant according to claim 2, wherein: and a first surface dust remover is arranged in the box body and is connected with the first laminating roller.
4. A dust collecting apparatus for cement manufacturing site according to claim 3, characterized in that: the surface dust remover comprises a third fixed support, a second scraper and a pushing spring, the third fixed support is arranged on the box body, the second scraper is hinged to the third fixed support and is attached to the first attaching roller in a contact manner, and the pushing spring is arranged on the box body and is arranged on the second scraper.
5. The dust collecting apparatus for cement manufacturing site according to claim 4, wherein: and a second surface dust remover is arranged in the air inlet channel and is connected with the second laminating roller.
6. The dust collecting apparatus for cement manufacturing site according to claim 5, wherein: the surface dust remover II comprises a fixed support IV, a scraper III and an extension spring, the fixed support IV is arranged on the side wall of the air inlet channel, the scraper III is hinged on the fixed support IV and is in contact with the fixed support IV to be arranged on the laminating roller II, and the extension spring is arranged on the side wall of the air inlet channel and is arranged on the scraper III.
7. The dust collecting apparatus for cement manufacturing site according to claim 6, wherein: the top of the box body is provided with an air inlet pipe, and the air inlet pipe is communicated with an air inlet channel.
8. The dust collecting apparatus for cement manufacturing site according to claim 7, wherein: one end of the filter cartridge is sleeved with a ring gear, a second motor is arranged in the box body, a driving gear is arranged on the second motor, and the driving gear is meshed with the ring gear.
9. The dust collecting apparatus for cement manufacturing site according to claim 8, wherein: a limit gear is rotatably arranged in the box body and meshed with the ring gear.
10. The dust collecting apparatus for cement manufacturing site according to claim 9, wherein: and the bottom of the box body is provided with an ash discharge pipe.
CN202110489533.0A 2021-05-06 2021-05-06 Dust collecting device for cement production site Pending CN113198270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110489533.0A CN113198270A (en) 2021-05-06 2021-05-06 Dust collecting device for cement production site

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110489533.0A CN113198270A (en) 2021-05-06 2021-05-06 Dust collecting device for cement production site

Publications (1)

Publication Number Publication Date
CN113198270A true CN113198270A (en) 2021-08-03

Family

ID=77028714

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110489533.0A Pending CN113198270A (en) 2021-05-06 2021-05-06 Dust collecting device for cement production site

Country Status (1)

Country Link
CN (1) CN113198270A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104548776A (en) * 2014-12-23 2015-04-29 浙江洁宇环保装备科技有限公司 Industrial dust collector with improved structure
CN108421336A (en) * 2018-04-10 2018-08-21 西南民族大学 A kind of easy bulky grain dedusting machinery of self-control
CN109078413A (en) * 2018-10-08 2018-12-25 德清微晶防水材料有限公司 A kind of microcrystalline water-proofing agent production dust-extraction unit
CN210278593U (en) * 2019-07-16 2020-04-10 蚌埠市凯尔滤清器有限公司 Novel shaft type self-cleaning filter
CN212017157U (en) * 2019-12-18 2020-11-27 南安市硕丰机械科技有限公司 Single-machine filter drum dust remover

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104548776A (en) * 2014-12-23 2015-04-29 浙江洁宇环保装备科技有限公司 Industrial dust collector with improved structure
CN108421336A (en) * 2018-04-10 2018-08-21 西南民族大学 A kind of easy bulky grain dedusting machinery of self-control
CN109078413A (en) * 2018-10-08 2018-12-25 德清微晶防水材料有限公司 A kind of microcrystalline water-proofing agent production dust-extraction unit
CN210278593U (en) * 2019-07-16 2020-04-10 蚌埠市凯尔滤清器有限公司 Novel shaft type self-cleaning filter
CN212017157U (en) * 2019-12-18 2020-11-27 南安市硕丰机械科技有限公司 Single-machine filter drum dust remover

Similar Documents

Publication Publication Date Title
CN112161341B (en) Zigbee-based air purification equipment for smart home
CN113384963B (en) Industrial dust removal device for intelligently controlling partitions
CN113198270A (en) Dust collecting device for cement production site
CN210521949U (en) Coating filter equipment
CN115970372A (en) Separation filtering type waste treatment device
CN215742359U (en) Central air conditioning unit strains a section of thick bamboo and cleans maintenance device
CN201578173U (en) Multiple duct collection device of dust catcher
CN114973924A (en) Internet advertisement publishing method based on remote control
CN209302462U (en) A kind of recyclable device of active carbon dust
CN102607156A (en) Self-cleaning filtering component of air conditioner and air conditioner indoor unit
CN205306908U (en) Intelligence of taking air purification function robot that keeps a public place clean
CN111760383A (en) Self-cleaning air filter for automobile without disassembly and replacement
CN218188606U (en) Passive electrostatic filtering device
CN217785449U (en) Ventilation and smoke exhaust device with double-layer louver structure
CN220939550U (en) Printing sewage treatment equipment with multiple filters
CN212327659U (en) Dust collecting equipment convenient to clearance air conditioner filter screen
CN220214304U (en) Suction-discharge type dust removing equipment
CN219399405U (en) Purifying tower for flue gas treatment
CN117983534A (en) Impurity separation filter equipment is used in screening of wheat seed
CN219596056U (en) Sewage treatment filter equipment
CN211486771U (en) Micropore filter core with function is collected to dirt
CN203436946U (en) Filter screen cleaning device for air purifier
CN217746197U (en) Bag-type dust collector that industrial production used
CN215085311U (en) Sewage treatment filter equipment
CN220294207U (en) Filtering device for preparing multifunctional liniment

Legal Events

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

Application publication date: 20210803

RJ01 Rejection of invention patent application after publication