CN111623464B - Exhaust system of dust screen automatically cleaning for public place - Google Patents
Exhaust system of dust screen automatically cleaning for public place Download PDFInfo
- Publication number
- CN111623464B CN111623464B CN202010529496.7A CN202010529496A CN111623464B CN 111623464 B CN111623464 B CN 111623464B CN 202010529496 A CN202010529496 A CN 202010529496A CN 111623464 B CN111623464 B CN 111623464B
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- Prior art keywords
- dust
- block
- mounting groove
- magnetic piston
- groove
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
Abstract
The invention discloses an exhaust system with a self-cleaning dust screen for a public place, which comprises a wall body, wherein the wall body is positioned at the top of the public place, the lower end of the wall body is provided with a mounting groove, the upper end of the mounting groove is provided with a ventilation groove communicated with the mounting groove, one end of the ventilation groove, which is far away from the mounting groove, is communicated with the outside, the inner wall of one side of the ventilation groove is fixedly connected with a mounting frame, the lower end of the mounting frame is provided with a suction fan, a protective shell is arranged at the notch of the mounting groove, the inner wall of the right side of the mounting groove is fixedly connected with a mounting block, a dust screen plate is arranged between the mounting block and the inner wall of the left side of the mounting groove, the left sides of the mounting block and the mounting groove are respectively provided with a chute matched with the dust screen plate, and the two sides of the dust screen plate are respectively positioned in the two chutes. This exhaust system, in the time of can gathering more dust on the dust screen, timely clearance is being collected the dust under can clearing up simultaneously, avoids the secondary of dust to be stained with and attaches.
Description
Technical Field
The invention relates to the field of life, in particular to an exhaust system for self-cleaning of a dust screen in a public place.
Background
In some closed public places such as large-scale shopping malls, air exchange needs to be carried out when entering and exiting, and an air exchange system sends fresh air to the interior of a closed room by using special equipment on one side of the closed room and then discharges the fresh air to the exterior of the room by using the special equipment on the other side of the closed room, but for discharging the fresh air, the existing exhaust system has the following problems;
in exhaust system, we generally need use the dust filter screen, avoid inside too much dust enters exhaust system, too much dust accumulation can cause exhaust system inner wall to block up, when the more dust of accumulation on the dust filter screen, in time need the clearance, otherwise can cause the inside air discharge fan overload operation of exhaust system, exhaust effect also can reduce simultaneously, so we generally can adopt artifical clearance, and the opportunity of manual work carrying out the dust clearance can not be held, if the more frequent dust clearance that carries on of result, can make the waste of manpower, if the dust clearance number of times is too few, make air discharge fan overload operation time overlength, make its possibility of harm, so how perfect solution these problems, we need consider.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an exhaust system for automatically cleaning a dust screen in a public place.
In order to achieve the purpose, the invention adopts the following technical scheme:
an exhaust system for self-cleaning of a dust screen for a public place comprises a wall body, wherein the wall body is positioned at the top of the public place, a mounting groove is formed in the lower end of the wall body, a ventilation groove communicated with the mounting groove is formed in the upper end of the mounting groove, one end, far away from the mounting groove, of the ventilation groove is communicated with the outside, a mounting frame is fixedly connected to the inner wall of one side of the ventilation groove, a suction fan is installed at the lower end of the mounting frame, a protective shell is installed at the notch of the mounting groove, a mounting block is fixedly connected to the inner wall of the right side of the mounting groove, a dust screen plate is arranged between the mounting block and the inner wall of the left side of the mounting groove, sliding grooves matched with the dust screen plate are formed in the mounting block and the left side of the mounting groove, and two sides of the dust screen plate are respectively positioned in the two sliding grooves; the dust removal trigger mechanism comprises a through groove vertically penetrating through the mounting block, a vertical cavity is arranged in the mounting block, a magnetic piston block which is used for sliding up and down is arranged in the vertical cavity, the upper end of the magnetic piston block is elastically connected with the inner top of the vertical cavity through an electrified spring, the lower end of the magnetic piston block is provided with an electric connection column, the inner bottom of the vertical cavity is filled with conductive mercury, an external power supply is arranged in the mounting block, two conducting strips are embedded on one side wall of the through groove, the conducting strips, the power-on spring, the electric connecting column, the conductive mercury and the anode of the external power supply which are positioned above are sequentially and electrically connected, the negative pole of the external power supply is electrically connected with the conducting strip positioned below through a conducting wire, a conducting block used for sliding up and down is arranged in the through groove, and the lower end of the conducting block is elastically connected with the upper end of the protective shell through a first connecting spring; dust removal dust exhaust integral type mechanism, dust removal dust exhaust integral type mechanism is including setting up the dust collection box at installation piece lower extreme, the both ends upside of dirt filtering screen plate all is through the interior top elastic connection of second coupling spring with two spouts, the dirt filtering screen plate is close to the one end of erecting the chamber and has magnetism, and inhales mutually with the adjacent opposite sex of magnetic piston piece, it has the trunk line to erect the upper end space intercommunication that the chamber is located the magnetic piston piece, the trunk line is kept away from the one end intercommunication of erecting the chamber and is had two branch pipes, two the other end branch of the branch pipe that induced drafts is located the upper and lower both sides of dirt filtering screen plate, institute erect the upper end space that the chamber is located the magnetic piston piece and communicates through going out tuber pipe and dust collection box, all install the check valve in tuber pipe and the trunk line.
Preferably, the protective shell is a mesh structure.
Preferably, an annular stop block is fixedly connected to the inner wall of the vertical cavity, the annular stop block is located at the lower end of the magnetic piston, and the vertical cavity is located below the magnetic piston and communicated with the outside through a communicating pipe.
Preferably, a filter screen is embedded at the lower end of the dust collection box.
Compared with the prior art, the invention has the beneficial effects that:
1. when more dust is accumulated on the dust filter screen plate, the ventilation resistance of the dust filter screen plate is increased, when the dust accumulated on the dust filter screen plate is too much and the ventilation resistance is larger than the resistance when the conducting block moves upwards, the conducting block can move upwards by the suction force generated by the suction fan, and the conducting block moves upwards to be contacted with the two conducting strips, an external circuit is conducted, after the circuit is conducted, the magnetic piston block can move up and down all the time through the characteristic of the electrifying spring, the magnetic piston block can move up and down the dust filter screen plate can be attracted to move up and down through the up and down movement of the magnetic piston block, the dust filter screen is always in a shaking state through the matching of the second connecting spring, the dust on the dust filter screen plate is shaken off, the dust filter screen plate removes dust, when more dust is accumulated on the dust filter screen plate, the timely cleaning can be performed, the problem of more frequent dust cleaning can be perfectly solved, and the manpower can be wasted, if the dust cleaning frequency is too low, the exhaust fan will be overloaded and run for too long, so that the exhaust fan will be damaged.
2. The in-process that the magnetic piston piece reciprocated, there was a dust absorption effect, when the magnetic piston piece moved down promptly, can inhale the dust that shakes off on the dirt otter board through two branch pipes that induced drafts and erect the chamber and be located the top space of magnetic piston piece, when going up the magnetic piston piece and shift up, will erect the gaseous discharge of dust that has that the chamber is located the space above the magnetic piston to the dust collecting box through going out the tuber pipe, can effectually collect the dust that shakes off, avoid the dust secondary to be stained with and attach to on the dirt otter board, only need regularly clear away the dust in the dust collecting box can.
Drawings
FIG. 1 is a schematic structural diagram of an exhaust system for self-cleaning a dust screen in a public place according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a diagram of the operation state of fig. 1.
In the figure: 1 wall body, 2 mounting brackets, 3 suction fans, 4 ventilation grooves, 5 mounting grooves, 6 protective shells, 7 dust filter screens, 8 dust-collecting boxes, 9 first connecting springs, 10 mounting blocks, 11 conductive blocks, 12 air suction branch pipes, 13 main pipes, 14 second connecting springs, 15 sliding grooves, 16 air outlet pipes, 17 through grooves, 18 conductive sheets, 19 electrifying springs, 20 external power supplies, 21 magnetic piston blocks, 22 vertical cavities and 23 electric connecting columns.
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.
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.
Referring to fig. 1-3, an exhaust system for self-cleaning a dust screen used in a public place comprises a wall body 1, wherein the wall body 1 is positioned at the top of the public place, the lower end of the wall body 1 is provided with a mounting groove 5, the upper end of the mounting groove 5 is provided with a ventilation groove 4 communicated with the mounting groove, one end of the ventilation groove 4, which is far away from the mounting groove 5, is communicated with the outside, the inner wall of one side of the ventilation groove 4 is fixedly connected with a mounting frame 2, the lower end of the mounting frame 2 is provided with a suction fan 3, a protective shell 6 is arranged at the notch of the mounting groove 5, the inner wall of the right side of the mounting groove 5 is fixedly connected with a mounting block 10, a dust screen plate 7 is arranged between the mounting block 10 and the inner wall of the left side of the mounting groove 5, chutes 15 matched with the dust screen plate 7 are respectively formed on the left sides of the mounting block 10 and the mounting groove 5, and two sides of the dust screen plate 7 are respectively positioned in the two chutes 15;
the dust removal trigger mechanism comprises a through groove 17 vertically penetrating through an installation block 10, a vertical cavity 22 is arranged in the installation block 10, a magnetic piston block 21 which slides up and down is arranged in the vertical cavity 22, the upper end of the magnetic piston block 21 is elastically connected with the inner top of the vertical cavity 22 through a power-on spring 19, an electric connection column 23 is arranged at the lower end of the magnetic piston block 21, conductive mercury is filled at the inner bottom of the vertical cavity 22, an external power supply 20 is arranged in the installation block 10, two conductive sheets 18 are embedded on one side wall of the through groove 17, the conductive sheets 18 and the power-on spring 19 are positioned above the through groove, the electrical connection column 23, the conductive mercury and the positive electrode of the external power supply 20 are electrically connected in sequence, the negative electrode of the external power supply 20 is electrically connected with the conductive sheet 18 positioned below through a lead, the conductive block 11 which slides up and down is arranged in the through groove 17, and the lower end of the conductive block 11 is elastically connected with the upper end of the protective shell 6 through the first connection spring 9;
dust removal dust exhaust integral type mechanism, dust removal dust exhaust integral type mechanism is including setting up the dust collection box 8 at installation piece 10 lower extreme, the both ends upside of dust filter screen plate 7 all is through the interior top elastic connection of second coupling spring 14 with two spout 15, dust filter screen plate 7 is close to the one end of erecting chamber 22 and has magnetism, and inhale mutually with the adjacent opposite sex of magnetic piston piece 21, it has trunk line 13 to erect the upper end space intercommunication that chamber 22 is located magnetic piston piece 21, trunk line 13 is kept away from the one end intercommunication of erecting chamber 22 has two branch pipes 12 that induced draft, the other end branch of two branch pipes 12 that induced draft is located the upper and lower both sides of dust filter screen plate 7, it communicates with dust collection box 8 through going out tuber pipe 16 to erect the upper end space that chamber 22 is located magnetic piston piece 21, all install the check valve in play tuber pipe 16 and the trunk line 13, guarantee to follow the air-out 16 air-outlets, from trunk line 13 air intakes.
Wherein, the protective casing 6 is a net structure, so that the exhaust system can normally operate.
Wherein, fixedly connected with annular dog on the inner wall of erecting chamber 22, annular dog is located the lower extreme of magnetic piston piece 21, avoids in magnetic piston piece 21 can fall the electrically conductive mercury after moving down, erects chamber 22 and is located magnetic piston piece 21 below space and communicates with the external world through communicating pipe, guarantees that it is normal to erect chamber 22 and is located magnetic piston piece 21 below space internal gas pressure.
Wherein, the lower end of the dust collection box 8 is embedded with a filter screen to ensure the normal air pressure in the dust collection box 8.
When the exhaust system is working, i.e. the suction fan 3 starts working, the dust filter screen plate 7 in the initial state is in a high ventilation state, and at this time, all the outside air can pass through the dust filter screen plate 7, and the ventilation state is as shown in fig. 1;
when more dust is accumulated on the dust filter screen plate 7, the ventilation resistance of the dust filter screen plate 7 is increased, when the amount of dust accumulated on the dust filter screen plate 7 is too much, and the ventilation resistance is larger than the resistance when the conductive block 11 moves upwards, the conductive block 11 moves upwards by the suction force generated by the suction fan 3, and the conductive block 11 moves upwards to be in contact with the two conductive sheets 18, the external circuit is conducted, the current-carrying spring 19 conducts electricity at the moment, after the current-carrying spring 19 conducts electricity, according to the electromagnetic effect, the current-carrying spring 19 of each turn generates a magnetic field, after the direction of the magnetic field is judged through the direction of the current, the directions of the magnetic fields generated between every two adjacent turns of the current-carrying spring 19 are opposite, that is, the attraction force is generated between every two adjacent turns of the current-carrying spring 19, that is after the current is conducted, the whole current-carrying spring 19 contracts, and the piston 19 contracts, and drives the magnetic block 21 and the electrical connection column 23 to move upwards, when the electric connection column 23 leaves the conductive mercury, the whole circuit is disconnected, and the magnetic piston block 21 moves up for a certain distance and then moves down under the action of gravity along with the action of inertia, and when the electric connection column 23 contacts the conductive mercury, the actions are repeated, namely, after the two conductive sheets 18 are electrically connected by the conductive block 11, the magnetic piston block 21 moves up and down all the time, the dust filter screen plate 7 is attracted to move up and down by the up and down movement of the magnetic piston block 21, and the dust filter screen plate 7 is in a shaking state all the time under the coordination of the second connection spring 14, so that dust on the dust filter screen plate 7 is shaken off, and dust removal of the dust filter screen plate 7 is carried out;
when the dust on the dust filter screen plate 7 is shaken off, the dust filter screen plate can restore the high ventilation state, so that the ventilation resistance of the dust filter screen plate is larger than the resistance of the conductive block 11 when moving upwards, the conductive block 11 can restore the initial state under the tension of the first connecting spring 9, and the whole circuit can be disconnected;
it is worth mentioning that, the in-process that the magnetic piston piece 21 reciprocated, there is a dust absorption effect, when the magnetic piston piece 21 moved down, can inhale perpendicular chamber 22 through two branch pipes 12 that induced draft with the dust that shakes off on the dust filter screen plate 7 and be located the space above the magnetic piston piece 21, when going up the magnetic piston piece 21 and shift up, will erect chamber 22 and be located the dust gas that has in the space above the magnetic piston piece 21 through the tuber pipe 16 and discharge to the dust collection box 8, can be effectual collect the dust that shakes off, avoid the dust secondary to be stained with on the dust filter screen plate 7, only need regularly to clear away the dust in the dust collection box 8 can.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. An exhaust system of dust screen self-cleaning for public, comprising:
the wall body (1), the wall body (1) is located at the top of a public place, a mounting groove (5) is arranged at the lower end of the wall body (1), a ventilation groove (4) communicated with the mounting groove is arranged at the upper end of the mounting groove (5), one end, far away from the mounting groove (5), of the ventilation groove (4) is communicated with the outside, a mounting frame (2) is fixedly connected onto one inner wall of the ventilation groove (4), a suction fan (3) is installed at the lower end of the mounting frame (2), a protective shell (6) is installed at a notch of the mounting groove (5), a mounting block (10) is fixedly connected onto the inner wall of the right side of the mounting groove (5), a dust filtering screen plate (7) is arranged between the mounting block (10) and the inner wall of the left side of the mounting groove (5), and sliding grooves (15) matched with the dust filtering screen plate (7) are formed in the mounting block (10) and the left side of the mounting groove (5), two sides of the dust filter screen plate (7) are respectively positioned in the two sliding chutes (15);
dust removal trigger mechanism, dust removal trigger mechanism includes vertical logical groove (17) that runs through installation piece (10), be equipped with perpendicular chamber (22) in installation piece (10), be equipped with in perpendicular chamber (22) and be used for gliding magnetic piston piece (21) from top to bottom, the upper end of magnetic piston piece (21) is through circular telegram spring (19) and the interior top elastic connection who erects chamber (22), electric connection post (23) are installed to the lower extreme of magnetic piston piece (21), the interior bottom packing that erects chamber (22) has conductive mercury, install external power supply (20) in installation piece (10), inlay on a lateral wall that leads to groove (17) and be equipped with two conducting strips (18), be located the top conducting strip (18), circular telegram spring (19), electric connection post (23), the positive pole of conductive mercury and external power supply (20) be electric connection in proper order, the negative pole of external power supply (20) passes through wire electric connection with conducting strip (18) that are located the below, a conductive block (11) which can slide up and down is arranged in the through groove (17), and the lower end of the conductive block (11) is elastically connected with the upper end of the protective shell (6) through a first connecting spring (9);
the dust removal and dust exhaust integrated mechanism comprises a dust collection box (8) arranged at the lower end of an installation block (10), the upside of two ends of a dust filter screen plate (7) is elastically connected with the inner tops of two sliding grooves (15) through a second connecting spring (14), one end, close to a vertical cavity (22), of the dust filter screen plate (7) has magnetism and attracts adjacent opposite poles of a magnetic piston block (21), the upper end space, located on the magnetic piston block (21), of the vertical cavity (22) is communicated with a main pipeline (13), one end, far away from the vertical cavity (22), of the main pipeline (13) is communicated with two air suction branch pipes (12), the other ends of the two air suction branch pipes (12) are located on the upper and lower sides of the dust filter screen plate (7), the upper end space, located on the magnetic piston block (21), of the vertical cavity (22) is communicated with the dust collection box (8) through an air outlet pipe (16), the air outlet pipe (16) and the main pipeline (13) are internally provided with one-way valves; when the conductive block (11) moves upwards, the conductive block can simultaneously contact with the two conductive sheets (18).
2. The self-cleaning exhaust system of the dust screen for public use according to claim 1, wherein the protective housing (6) is a net structure.
3. The exhaust system of claim 1, wherein an annular stop block is fixedly connected to the inner wall of the vertical cavity (22), the annular stop block is located at the lower end of the magnetic piston block (21), and the space below the magnetic piston block (21) of the vertical cavity (22) is communicated with the outside through a communicating pipe.
4. The self-cleaning exhaust system of the dust screen used in the public places according to claim 1, wherein a filter screen is embedded at the lower end of the dust box (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010529496.7A CN111623464B (en) | 2020-06-11 | 2020-06-11 | Exhaust system of dust screen automatically cleaning for public place |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010529496.7A CN111623464B (en) | 2020-06-11 | 2020-06-11 | Exhaust system of dust screen automatically cleaning for public place |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111623464A CN111623464A (en) | 2020-09-04 |
| CN111623464B true CN111623464B (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010529496.7A Expired - Fee Related CN111623464B (en) | 2020-06-11 | 2020-06-11 | Exhaust system of dust screen automatically cleaning for public place |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111921292B (en) * | 2020-09-07 | 2022-01-11 | 海安市春华线业有限公司 | Dust screen cleaning structure of ventilation module in textile workshop |
| CN112161339A (en) * | 2020-09-10 | 2021-01-01 | 李明锋 | A filtration dust collector for market |
| CN112303782B (en) * | 2020-10-22 | 2021-10-22 | 中节能(湖州)科技城投资建设发展有限公司 | Factory building ventilation mechanism that environmental protection was used |
| CN112413783B (en) * | 2020-11-24 | 2022-02-08 | 浙江华卓机电科技有限公司 | Filtering system for electronic instrument room |
| CN112718698B (en) * | 2020-12-15 | 2022-08-30 | 宜都德森光电科技有限公司 | Air inlet system of optical lens manufacturing factory building with dust removal and dehumidification module |
| CN112854591B (en) * | 2020-12-31 | 2022-04-26 | 山东基尚新型建材股份有限公司 | Green wallboard for building |
| CN112934846A (en) * | 2021-01-24 | 2021-06-11 | 武汉金鑫华机械加工厂 | Full-automatic dust removal defogging system of optical lens piece |
| CN113033327A (en) * | 2021-03-05 | 2021-06-25 | 湖南智连方舟工程科技有限公司 | Building engineering field personnel monitoring system and monitoring facilities |
| CN113121039B (en) * | 2021-04-26 | 2022-11-11 | 山东沃华远达环境科技股份有限公司 | Sodium sulfate resourceful treatment device in ultraviolet absorbent waste water |
| CN113386533A (en) * | 2021-05-18 | 2021-09-14 | 陈雅丽 | Vehicle-mounted air purifier |
| CN114588667B (en) * | 2022-03-23 | 2023-12-05 | 久科康瑞(北京)环保科技有限公司 | High-efficient environmental protection sedimentation tank for sewage treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10143941A1 (en) * | 2001-09-07 | 2003-03-27 | Hako Gmbh | Process for cleaning the filter of a mobile floor cleaning machine and mobile floor cleaning machine |
| CN107213721B (en) * | 2016-01-06 | 2019-04-16 | 无锡锡麦粮油装备工程有限公司 | The dust removal method of spring strut deduster |
| CN209246309U (en) * | 2018-12-05 | 2019-08-13 | 山东华瑞达精密仪器有限公司 | A kind of laboratory air draft exhaust protective device |
| CN110523154A (en) * | 2019-09-04 | 2019-12-03 | 李洁玲 | A kind of self-cleaning air filter |
| CN110755946A (en) * | 2019-10-31 | 2020-02-07 | 深圳市创智联环保设备有限公司 | Dust collector with adjustable filter screen shaking amplitude |
| CN111195451A (en) * | 2020-01-16 | 2020-05-26 | 钱丰 | Continuous type dust collector for communication base station |
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2020
- 2020-06-11 CN CN202010529496.7A patent/CN111623464B/en not_active Expired - Fee Related
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Effective date of registration: 20211119 Address after: 251600 No. 77, Keyuan street, economic development zone, Shanghe County, Jinan City, Shandong Province Applicant after: Shanghe Yuantong Municipal Engineering Co.,Ltd. Address before: 232000 Jindi international city, Tianjiaan District, Huainan City, Anhui Province Applicant before: Luxiaohua |
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Granted publication date: 20211207 |