CN111545348B - Electrostatic dust remover for construction site - Google Patents
Electrostatic dust remover for construction site Download PDFInfo
- Publication number
- CN111545348B CN111545348B CN202010402469.3A CN202010402469A CN111545348B CN 111545348 B CN111545348 B CN 111545348B CN 202010402469 A CN202010402469 A CN 202010402469A CN 111545348 B CN111545348 B CN 111545348B
- Authority
- CN
- China
- Prior art keywords
- impeller
- dust
- drum
- air inlet
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/28—Plant or installations without electricity supply, e.g. using electrets
- B03C3/30—Plant or installations without electricity supply, e.g. using electrets in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/76—Cleaning the electrodes by using a mechanical vibrator, e.g. rapping gear ; by using impact
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention discloses an electrostatic dust collector for a construction site, which comprises a cylinder with an opening at the rear end, an electrostatic generating device fixedly arranged at the upper end of the cylinder and a dust hopper fixedly arranged at the lower end of the cylinder, wherein the bottom in the cylinder is provided with an opening communicated with the dust hopper, the front end of the cylinder is provided with an air inlet, screen plates are arranged in the air inlet and at the rear end of the cylinder, an impeller is rotatably connected between the two screen plates, a rotating shaft of the impeller extends into the air inlet, and the tail end of the rotating shaft of the impeller is provided with a discharging device for polarizing dust in the air. According to the invention, by arranging the discharging device, the impeller, the first conducting strip, the second conducting strip and the static electricity generating device, impurities such as dust and dust mixed in air of a building site can be efficiently adsorbed, and meanwhile, the static electricity generating device has a real-time sedimentation function, dust and dust cannot be accumulated on the blades, so that the filter hole blockage phenomenon cannot occur, a large amount of water purification resources are not consumed, and the static electricity generating device is more energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the field of construction equipment, in particular to an electrostatic dust collector for a construction site.
Background
Along with the continuous development and progress of the construction industry, the development of construction machinery equipment is increasingly refined, the construction machinery equipment provides various convenience and reliability for the construction industry, impurities such as dust and the like become the most common problems of the construction industry due to the characteristics of the industry, the dust and the dust on the construction site can seriously affect the bodies of workers, once the dust and the dust are sucked, various respiratory diseases can be caused, the service life of a machine is shortened when the dust and the dust enter the construction machinery, the safety is considered, and in addition, the high requirement of the current country on environmental protection is met, a large amount of dust removing equipment is required to be used for purifying air and removing the dust and the dust on the construction site.
But most dust collecting equipment can not effectual smooth transmission at present, adopt the method of filtration formula or fountain to clear up impurity such as the dust of building site usually, filtration formula dust collecting equipment causes easily after using a period and crosses filter mesh and blocks up, the gas permeability descends, dust removal effect obviously weakens, need frequently change it and wash, spray formula dust collecting equipment then needs to consume a large amount of water purification resources, and is not environmental protection, therefore current dust collecting equipment is difficult to realize building site's automation and removes dust, can not satisfy people's demand.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an electrostatic dust remover for a construction site.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an electrostatic precipitator for building site, includes rear end open-ended drum, electrostatic generator and the ash bucket of fixed mounting at the drum lower extreme of fixed mounting in drum upper end, the opening with the ash bucket intercommunication is seted up to the bottom in the drum, the front end of drum is provided with the air inlet, in the air inlet and the rear end of drum all be provided with otter board, two it is connected with the impeller to rotate between the otter board, in the pivot of impeller extends to the air inlet, just the discharge device who is arranged in with dust polarization in the air is installed to the pivot end of impeller, the first conducting strip of fixedly connected with on the blade of impeller, the symmetry is provided with the second conducting strip with the electrostatic generator coupling on the inner wall of drum.
Preferably, the discharging device comprises a movable friction plate and a static friction ring, the static friction ring is fixedly connected to the inner wall of the air inlet, the movable friction plates are symmetrically and fixedly connected to the tail end of the output shaft of the impeller through a connecting rod, the movable friction plates are in contact with the inner wall of the static friction ring, and static sharp needles are arranged on the side wall of the static friction ring along the circumferential direction.
Preferably, each blade of the impeller is equidistantly provided with a spring, and each spring is coupled with a first conducting strip on the impeller blade.
The invention has the following beneficial effects:
1. by arranging the static electricity generating device, the first conducting strip, the second conducting strip and the impeller, when the air current mixed with the dust flows through the cylinder, the air current can drive the impeller to rotate, so that the first conducting strip on the blade of the impeller intermittently contacts with the second conducting strip, when the first conducting strip contacts with the second conducting strip, the circuit of the static electricity generating device is switched on, a certain electrostatic field is generated on the blade of the impeller, impurities such as the dust and the like mixed in the air current can be adsorbed on the blade, when the first conducting strip is separated from the second conducting strip, the circuit of the static electricity generating device is disconnected, the electrostatic field generated by the blade of the impeller disappears, the dust and the dust losing floating power can naturally descend under the action of gravity and fall into the dust hopper, thereby realizing the automatic dust removing function of a building site, without using a filter screen, the phenomenon of filter hole blockage can not occur, and simultaneously without consuming a large amount of water purifying resources, energy is saved and the environment is protected;
2. through the arrangement of the discharging device, when air flows through, the impeller rotating shaft drives the dynamic friction plate to rotate, so that the dynamic friction plate continuously rubs against the inner wall of the static friction ring, more static electricity is generated on the static friction ring, the static electricity charges can be transferred to the tip part of the static electricity sharp needle due to the tip accumulation effect of the static electricity charges, and when the charge quantity is accumulated to a certain degree, the static electricity sharp needle generates a tip discharging phenomenon, so that dust and dust mixed in air are polarized, and the dust and dust are more easily adsorbed by an electrostatic field generated by the impeller blade;
3. through setting up the spring, in the twinkling of an eye of first conducting strip and second conducting strip contact and disconnection, all have the electric current of rapid change on each spring to pass through, this electric current makes all produce induction magnetic field on each turn of coil of spring, induction magnetic field makes each turn of coil of spring form the unanimous little magnetic coil of direction of magnetization, and then makes the spring reconversion after contracting fast, consequently each spring can produce the shake to the blade vibration of drive impeller promotes the dust of adhesion on the blade and drops.
Drawings
FIG. 1 is a schematic structural view of an electrostatic precipitator for a construction site according to the present invention;
FIG. 2 is a schematic cross-sectional view of a cylinder according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is a schematic cross-sectional view of an air inlet according to the present invention;
fig. 5 is a schematic structural view of embodiment 2.
In the figure: the device comprises a cylinder 1, an air inlet 2, an electrostatic generating device 3, a screen plate 4, an impeller 5, a spring 6, an ash hopper 7, an opening 8, a connecting rod 9, a dynamic friction plate 10, a static friction ring 11, a static sharp needle 12, a second conducting plate 13 and a first conducting plate 14.
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.
Example 1
Referring to fig. 1-4, an electrostatic dust collector for construction sites comprises a cylinder 1 with an opening at the rear end, an electrostatic generating device 3 fixedly mounted at the upper end of the cylinder 1 and an ash bucket 7 fixedly mounted at the lower end of the cylinder 1, an opening 8 communicated with the ash bucket 7 is formed in the bottom of the cylinder 1, an air inlet 2 is formed in the front end of the cylinder 1, screen plates 4 are arranged in the air inlet 2 and at the rear end of the cylinder 1, an impeller 5 is rotatably connected between the two screen plates 4, a rotating shaft of the impeller 5 extends into the air inlet 2, a discharging device used for polarizing dust in air is mounted at the tail end of the rotating shaft of the impeller 5, a first conducting plate 14 is fixedly connected onto one blade of the impeller 5, and second conducting plates 13 coupled with the electrostatic generating device 3 are symmetrically arranged on the inner wall of the cylinder 1.
Further, the first conducting strip 14 and the second conducting strip 13 are both arc-shaped structures, the first conducting strip 14 is attached to the side wall of the blade of the impeller 5, the second conducting strip 13 is attached to the inner wall of the cylinder 1, when the impeller 5 rotates, the first conducting strip 14 intermittently sweeps over the second conducting strip 13, when the first conducting strip 14 passes through the second conducting strip 13, the first conducting strip and the second conducting strip can be in contact, so that a circuit between the static electricity generating device 3 and the blade of the impeller 5 can be conducted, and the static electricity generating device 3 can enable the blade of the impeller 5 to generate an electrostatic field.
The discharging device comprises a dynamic friction plate 10 and a static friction ring 11, wherein the static friction ring 11 is fixedly connected to the inner wall of the air inlet 2, the dynamic friction plates 10 are symmetrically and fixedly connected to the tail end of an output shaft of the impeller 5 through connecting rods, the dynamic friction plates 10 are in contact with the inner wall of the static friction ring 11, and static sharp needles 12 are arranged on the side wall of the static friction ring 11 along the circumferential direction.
It should be noted that the dynamic friction plate 10 and the static friction ring 11 are made of materials that generate static electricity when they rub against each other, for example, the surface of the dynamic friction plate 10 is made of glass, the surface of the static friction ring 11 is made of silk, and for example, the surface of the dynamic friction plate 10 is made of rubber, and the surface of the static friction ring 11 is made of fur.
In this embodiment, when needs remove dust to building site, hang a plurality of this equipment and be fixed in the eminence of building site, the air current that is mingled with impurity such as dust can be followed air inlet 2 and is got into in the drum 1 to finally flow out from drum 1 rear end network board.
When the airflow with the dust and dust is passed through the cylinder 1, the impeller 5 is driven by the airflow to rotate, so that the first conductive pads 14 on the blades of the impeller 5 intermittently contact the second conductive pads 13, when the first conductive sheet 14 contacts with the second conductive sheet 13, the circuit of the electrostatic generator 3 is turned on, a certain electrostatic field is generated on the blades of the impeller 5, impurities such as dust and dirt entrained in the airflow are adsorbed on the blades, when the first conducting strip 14 is separated from the second conducting strip 13, the circuit of the static electricity generating device 3 is cut off, the static electricity field generated by the blades of the impeller 5 disappears, the dust which loses the floating power naturally descends under the action of gravity and falls into the dust hopper 7, thereby realize the automatic dust removal function of building site, need not to use the filter screen, can not take place filtration pore blocking phenomenon, need not to consume a large amount of water purification resources simultaneously, comparatively energy-concerving and environment-protective.
Example 2
Referring to fig. 5, the difference from the embodiment is: the blades of the impeller 5 are equidistantly provided with springs 6, and each spring 6 is coupled with a first conducting strip 14 on the blade of the impeller 5.
It should be noted that, when current is applied to both ends of the spring 6, single turns of the spring 6 are not in contact with or insulated from each other, so when the spring 6 is energized, each turn of the spring is used as an energized solenoid, and there is a circular current therein, and since the direction of the current in each turn of the spring 6 is the same, unlike magnetic poles of the energized solenoids are opposite to each other and the turns of the spring 6 are attracted to each other according to ampere's law, so that the whole spring 6 is contracted, and when the spring 6 is de-energized, the spring returns to its original state under the action of its own elastic force, so that the spring 6 can be continuously shaken when the spring is continuously energized and de-energized.
In this embodiment, at the moment when the first conductive plate 14 contacts and disconnects with the second conductive plate 13, the rapidly changing current passes through each spring 6, the current makes each turn of coil of the spring 6 generate an induced magnetic field, the induced magnetic field makes each turn of coil of the spring 6 form a small magnetic coil with the same magnetization direction, and then the spring 6 recovers after rapidly contracting, so each spring 6 can shake, the blade of the impeller 5 is driven to vibrate, and the dust and dust adhered to the blade can be promoted to fall off.
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 (2)
1. The utility model provides an electrostatic precipitator for building site, includes rear end open-ended drum (1), fixed mounting static generating device (3) and the ash bucket (7) of fixed mounting at drum (1) lower extreme in drum (1), opening (8) with ash bucket (7) intercommunication are seted up to bottom in drum (1), its characterized in that, the front end of drum (1) is provided with air inlet (2), all be provided with otter board (4), two in air inlet (2) and the rear end of drum (1) rotate between otter board (4) and be connected with impeller (5), the pivot of impeller (5) extends to in air inlet (2), just the pivot end-to-end of impeller (5) is installed and is used for the discharge device with dust polarization in the air, fixedly connected with first conducting strip (14) on a blade of impeller (5), the symmetry is provided with the electrically conductive second of coupling with static generating device (3) on the inner wall of drum (1) A sheet (13);
the discharging device comprises a dynamic friction plate (10) and a static friction ring (11), wherein the static friction ring (11) is fixedly connected to the inner wall of the air inlet (2), the dynamic friction plate (10) is connected to the tail end of an output shaft of the impeller (5) through a connecting rod in a symmetrical and fixed mode, the dynamic friction plate (10) is in contact with the inner wall of the static friction ring (11), and a static sharp needle (12) is arranged on the side wall of the static friction ring (11) along the circumferential direction.
2. The electrostatic precipitator for a construction site according to claim 1, wherein springs (6) are equidistantly mounted on each blade of the impeller (5), and each spring (6) is coupled with the first conductive sheet (14) on the blade of the impeller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010402469.3A CN111545348B (en) | 2020-05-13 | 2020-05-13 | Electrostatic dust remover for construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010402469.3A CN111545348B (en) | 2020-05-13 | 2020-05-13 | Electrostatic dust remover for construction site |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111545348A CN111545348A (en) | 2020-08-18 |
| CN111545348B true CN111545348B (en) | 2022-09-06 |
Family
ID=72008160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010402469.3A Active CN111545348B (en) | 2020-05-13 | 2020-05-13 | Electrostatic dust remover for construction site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111545348B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058019B (en) * | 2020-09-10 | 2021-04-27 | 新昌县梅维斯环保有限公司 | Automatic air purification device for underground parking lot |
| CN112083774B (en) * | 2020-09-14 | 2022-05-27 | 重庆精鸿益科技股份有限公司 | Dust protected computer machine case |
| CN112536130B (en) * | 2020-10-18 | 2022-08-09 | 辽宁森源化工股份有限公司 | Chemical pigment breaker |
| CN112371680A (en) * | 2020-10-20 | 2021-02-19 | 德清之家纺织有限公司 | Electrostatic dust removal device for factory workshop |
| CN115041302B (en) * | 2022-06-23 | 2023-01-13 | 中国建筑设计研究院有限公司 | Be suitable for device of city expressway median adsorption of air particulate matter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874482A (en) * | 2015-06-09 | 2015-09-02 | 苏州云远网络技术有限公司 | Computer dual-fan heat radiation dust remover |
| CN110931915A (en) * | 2019-12-11 | 2020-03-27 | 陆奎武 | New energy automobile is with from heat dissipation type lithium cell |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1513259A (en) * | 1966-06-21 | 1968-02-16 | Process for supplying internal combustion engines and device for its implementation | |
| US5297425A (en) * | 1992-03-23 | 1994-03-29 | Tennessee Valley Authority | Electromagnetic borehole flowmeter system |
| CN2817719Y (en) * | 2005-08-25 | 2006-09-20 | 宋玉鸿 | Electrostatic dust collector |
| JP5475541B2 (en) * | 2010-05-07 | 2014-04-16 | 日本バイリーン株式会社 | Charging filter and mask |
| CN204158338U (en) * | 2014-10-17 | 2015-02-18 | 上海市闵行中学 | A kind of manual electrostatic precipitator |
| WO2017051940A1 (en) * | 2015-09-23 | 2017-03-30 | 서정수 | Air cleaner |
| CN205436012U (en) * | 2015-12-17 | 2016-08-10 | 崔书林 | Static friction removes equipment of haze |
| CN105665138B (en) * | 2016-01-08 | 2018-01-26 | 宣城市锦绣超细重质碳酸钙厂 | Electrostatic fans deduster |
| KR101832220B1 (en) * | 2016-02-26 | 2018-02-26 | 서정수 | Fine particulate capturing device using staticelectricity) |
| CN205518198U (en) * | 2016-03-25 | 2016-08-31 | 广州孚达保温隔热材料有限公司 | Electrostatic precipitator feed back storehouse |
| CN107842933B (en) * | 2017-12-07 | 2023-06-16 | 北京化工大学 | Efficient electrostatic dust collection device based on differential brush friction electrification principle |
| CN207786822U (en) * | 2018-04-20 | 2018-08-31 | 杜昱彤 | A kind of efficiency air cleaning device with dust collection function |
| CN108993044B (en) * | 2018-08-28 | 2021-04-06 | 佛山市三水歌谷电器有限公司 | Easily clear up vehicle air conditioner filter equipment |
| CN210485925U (en) * | 2019-07-30 | 2020-05-08 | 青岛被动房环境科技有限公司 | Filtering structure of fresh air machine |
-
2020
- 2020-05-13 CN CN202010402469.3A patent/CN111545348B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874482A (en) * | 2015-06-09 | 2015-09-02 | 苏州云远网络技术有限公司 | Computer dual-fan heat radiation dust remover |
| CN110931915A (en) * | 2019-12-11 | 2020-03-27 | 陆奎武 | New energy automobile is with from heat dissipation type lithium cell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111545348A (en) | 2020-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111545348B (en) | Electrostatic dust remover for construction site | |
| CN100571882C (en) | Electric cleaner | |
| CN110302616B (en) | High-efficient bubble dust collecting equipment | |
| CN111760392B (en) | Flat dust collector for textile workshop | |
| CN203610218U (en) | Cathode rapping device for electric dust collector | |
| CN102489404B (en) | Electret polypropylene thermoplastic bar electrostatic precipitation filter | |
| CN111535950B (en) | Air filter for rapid dust removal of automobile engine | |
| CN105665138A (en) | Fan type electrostatic dust remover | |
| CN202238313U (en) | Electric bag composite dust catcher | |
| CN202263644U (en) | Electric dust removing device | |
| CN200998692Y (en) | Uniform distributed electric field type electric precipitator | |
| CN202427553U (en) | Electret-type polypropylene thermoplastic rod electrostatic cleaning filter | |
| CN113385304B (en) | Desulfurization smoke abatement equipment is used in metal casting processing | |
| CN106492571A (en) | Electric precipitation filter cylinder and its dust collection method | |
| CN109675395B (en) | Dust fall ware is used at concrete production scene | |
| CN205360876U (en) | Bag collector's ash removal device | |
| CN207591523U (en) | Airborne suspended particle purifier in a kind of clothes workshop | |
| CN102974465A (en) | Cathode wire connector for electric dust collector | |
| CN111939677A (en) | Double-cylinder air draft equipment for underground engineering construction | |
| CN208627551U (en) | A kind of rotary plate electrostatic field electrostatic dust collector of cyclone furnace | |
| CN215235039U (en) | Flat round long horizontal rotary anode mesh plate diameter filtering type electric dust remover | |
| CN112495075A (en) | Rotary reverse blowing flat belt dust remover | |
| CN112885048A (en) | Urban power grid equipment fault risk monitoring and early warning equipment | |
| CN111927813A (en) | Highway electromechanical device detection device | |
| CN105582769A (en) | Double-cartridge filter |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220818 Address after: No. 7, Building 2, Logistic Park, Queren Township, Mulei County, Changji Hui Autonomous Prefecture, Xinjiang Uygur Autonomous Region, 831900 Applicant after: Xinjiang Jiuzhou Hainuo Construction Engineering Co., Ltd. Address before: 201500 Shanghai Zhongyi industrial dust removal technology Co., Ltd., block 54, building 3, 228 jingle Road, Langxia Town, Jinshan District, Shanghai Applicant before: Lu Lan |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |