CN110604994B - Dustproof electrical system of cotton workshop of glass - Google Patents
Dustproof electrical system of cotton workshop of glass Download PDFInfo
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- CN110604994B CN110604994B CN201910923255.8A CN201910923255A CN110604994B CN 110604994 B CN110604994 B CN 110604994B CN 201910923255 A CN201910923255 A CN 201910923255A CN 110604994 B CN110604994 B CN 110604994B
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- inner cylinder
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- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- 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
- B01D46/68—Regeneration 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
- B01D46/681—Regeneration 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a dustproof electric control system of a glass wool production workshop, which comprises a high-pressure fan and a purification and dust removal box connected with the high-pressure fan through guide pipes, wherein the exhaust end of the purification and dust removal box is connected with an electric control box through a plurality of guide pipes, the purification and dust removal box is used for removing impurities in workshop air so as to ensure the cleanliness of the working environment of the electric control box, the purification and dust removal box comprises a box body and a fixed inner cylinder arranged in the box body, the bottom of the fixed inner cylinder is connected with the bottom in the box body, and an installation gap is arranged between the top of the fixed inner cylinder and the top in the box body. Thereby make the device can continuous operation, the practicality is strong.
Description
Technical Field
The invention relates to the field of glass wool processing equipment, in particular to a dustproof electric control system of a glass wool production workshop.
Background
The glass fiber is inevitably contained in the production environment of the glass wool production workshop, a large amount of glass fiber can be gathered on the electronic components in the electric control box after the glass fiber enters the electric control box due to the electrostatic attraction of the electronic components, and the glass wool is a poor thermal conductor, so that the problems of poor heat dissipation of the electronic components, short service life of the electronic components and high failure rate of the electric control box exist.
To above-mentioned problem, the patent of current patent publication No. CN207138470U has announced the dustproof electrical system in cotton workshop of glass, and this scheme utilization compressed air prevents that external ordinary pressure air from entering into the electrical cabinet, and then stops that the glass is cotton to get into the electrical cabinet, adopts the splitter ring to avoid the air to directly blow electronic components to cause electronic components not hard up or contact failure, prevents the cotton entering electrical cabinet of glass when adopting the baffle that can open and shut to make the machine halt night in, reaches the cotton separation effect of very good glass.
However, the above-mentioned device is difficult to completely remove the glass wool in the air by means of compressing the air in actual use, and the glass wool removed by compression is always stored in the device, which further causes material accumulation and affects the air flow circulation, so that based on the above-mentioned problems, the dustproof electric control system of the glass wool production workshop is improved.
Disclosure of Invention
The invention aims to provide a dustproof electric control system for a glass wool production workshop, which aims to solve the problems in the background technology.
In order to realize the purpose, the invention provides the following technical scheme:
a dustproof electric control system of a glass wool production workshop comprises a high-pressure fan and a purification and dust removal box connected with the high-pressure fan through guide pipes, wherein the exhaust end of the purification and dust removal box is connected with an electric cabinet through a plurality of guide pipes, and the purification and dust removal box is used for removing impurities in workshop air, so that the cleanliness of the working environment of the electric cabinet is ensured;
the purifying and dedusting box comprises a box body and a fixed inner cylinder arranged in the box body, the bottom of the fixed inner cylinder is connected with the bottom in the box body, and a mounting gap is formed between the top of the fixed inner cylinder and the top in the box body;
the box body is provided with an air inlet pipe connected with a high-pressure fan, the lower end of the air inlet pipe is communicated with an air inlet end at the top of the fixed inner cylinder, a filter cover in a conical structure is arranged in the fixed inner cylinder, and the filter cover is used for carrying out primary impurity removal treatment on impurities;
the outer side of the fixed inner cylinder is provided with an annular box which is annularly arranged, the annular boxes are communicated through a communication port, an annular piston block and a movable bottom plate are slidably matched in the annular box, the annular piston block and the movable bottom plate are arranged on the upper side and the lower side of the communication port and are connected through a plurality of connecting rods, and the upper end surface of the movable bottom plate is a conical surface with a high inner end and a low outer end;
the upper end of the annular piston block is connected with the output end of a telescopic cylinder, the telescopic cylinder is arranged outside the fixed inner cylinder, and the annular piston block and the movable bottom plate can be driven to move up and down by the extension and retraction of the telescopic cylinder so as to complete the subsequent slag discharge treatment;
a guide hopper for guiding airflow is arranged in the fixed inner cylinder below the filter cover, a guide pipe at the lower end of the guide hopper extends below the liquid level of the reservoir, and the gas is sent below the liquid level of the reservoir through the guide hopper and the guide pipe, so that the air is washed;
the exhaust end of the fixed inner cylinder is connected with the drying box arranged in the box body, and the exhaust end of the drying box is provided with an exhaust pipe used for extending out of the box body.
As a further scheme of the invention: and a partition plate is arranged between the fixed inner cylinder above the drying box and the inner wall of the box body.
As a further scheme of the invention: the filter mantle adopts the electrically conductive metal material to support, be equipped with the wiring end on the filter mantle, wiring end electric connection power supply unit utilizes the power supply unit for the filter mantle circular telegram to make the filter mantle temperature rise, thereby burn some tiny cotton materials that block up, further improved and prevented stifled effect.
As a further scheme of the invention: the distance between the lower end of the annular piston block and the lower end of the communication port is opposite to the distance between the outer side of the upper end of the movable bottom plate and the lower end of the annular box, so that the gas which is not purified is prevented from escaping from the box body.
As a further scheme of the invention: the telescopic cylinder is a hydraulic cylinder.
As a further scheme of the invention: the filter cover is characterized in that an auxiliary scraping mechanism is arranged in the fixed inner cylinder above the filter cover and comprises a rotating ring coaxially arranged with the air inlet pipe, blades are arranged on the inner wall of the rotating ring in a wall mode, the outer side of the rotating ring is connected with the inner ring of the fixed bearing, the outer ring of the fixed bearing is fixedly connected with the inner wall of the fixed inner cylinder through a positioning rod, a plurality of hanging rods are distributed at the lower end of the rotating ring in an array mode, the lower end of each hanging rod is connected with a cleaning rod parallel to the surface of the filter cover, and scraping brushes used for scraping impurities on the surface of the filter cover are arranged on the surface of each cleaning rod.
As a further scheme of the invention: be equipped with the water purification part on the cistern of fixed inner tube bottom, the water purification part includes the rose box, the rose box is through constituting circulation circuit between two communicating pipes and the cistern, all is equipped with the choke valve on communicating pipe, is equipped with the circulating liquid pump on one of them communicating pipe, still be equipped with two guide awl section of thick bamboos that carry out the guide to rivers in the rose box, can dismantle between two guide awl sections of thick bamboos and be equipped with filtering component.
As a further scheme of the invention: the filter assembly comprises a movable insert block inserted into an upper mounting groove of the filter box, a seal plate tightly pressed and sealed with the outer surface of the filter box is arranged at the outer end of the movable insert block, a mounting opening is formed in the movable insert block, a filter screen is arranged in the mounting opening, a seal layer used for improving the sealing effect is arranged on the seal plate, seal layers are arranged on the upper end surface and the lower end surface of the movable insert block, the movable insert block is of a prismatic table structure with a narrow inner end and a wide outer end, and the mounting groove is matched with the prismatic table in shape so as to improve the sealing performance during mounting.
Compared with the prior art, the invention has the beneficial effects that: aiming at the defects of the existing device, the invention utilizes the primary filtration and the washing filtration of air so as to ensure the cleanliness of the gas entering the electric control box, and is provided with the drying box to prevent the air from being too humid to damage electrical parts.
Drawings
Fig. 1 is a schematic structural diagram of the invention.
FIG. 2 is a schematic structural diagram of a dust removing and purifying box in the invention.
Fig. 3 is a schematic structural diagram of a filter assembly according to the present invention.
Wherein: the device comprises a high-pressure fan 1, a purification and dust removal box 2, an electric cabinet 3, a box body 201, a telescopic cylinder 202, an annular box 203, an annular piston block 204, a communication port 205, a connecting rod 206, a movable bottom plate 207, a filter box 208, a circulating liquid pump 209, a filter assembly 210, a guide cone 211, a communication pipe 212, a water reservoir 213, a partition plate 214, a guide hopper 215, a filter cover 216, a cleaning brush 217, a cleaning rod 218, a positioning rod 219, a fixed inner cylinder 220, blades 221, an air inlet pipe 222, a rotary ring 223, a drying box 224 and an exhaust pipe 225;
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
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.
Example 1
Referring to fig. 1-3, in the embodiment of the invention, a dustproof electric control system for a glass wool production workshop comprises a high-pressure fan 1 and a purification and dust removal box 2 connected with the high-pressure fan through a guide pipe, wherein an exhaust end of the purification and dust removal box 2 is connected with an electric control box 3 through a plurality of guide pipes, and the purification and dust removal box 2 is used for removing impurities in workshop air, so that the cleanliness of a working environment of the electric control box 3 is ensured;
the purifying and dedusting box 2 comprises a box body 201 and a fixed inner cylinder 220 arranged in the box body, wherein the bottom of the fixed inner cylinder 220 is connected with the bottom in the box body 201, and a mounting gap is arranged between the top of the fixed inner cylinder 220 and the top in the box body 201;
an air inlet pipe 222 connected with the high-pressure fan 1 is arranged in the box body 201, the lower end of the air inlet pipe 222 is communicated with an air inlet end at the top of the fixed inner cylinder 220, a filter cover 216 in a conical structure is arranged in the fixed inner cylinder 220, and the filter cover 216 is used for performing primary impurity removal treatment on impurities;
the outer side of the fixed inner cylinder 220 is provided with an annular box 203 which is annularly arranged, the annular boxes 203 are communicated through a communication port 205, an annular piston block 204 and a movable bottom plate 207 are slidably matched in the annular box 203, the annular piston block 204 and the movable bottom plate 207 are arranged on the upper side and the lower side of the communication port 205 and are connected through a plurality of connecting rods 206, the upper end surface of the movable bottom plate 207 is a conical surface with a high inner end and a low outer end, so that impurities can be accumulated around;
the upper end of the annular piston block 204 is connected with the output end of the telescopic cylinder 202, the telescopic cylinder 202 is arranged outside the fixed inner cylinder 220, and the annular piston block 204 and the movable bottom plate 207 can be driven to move up and down by the extension of the telescopic cylinder 202 so as to complete the subsequent slag discharge treatment;
in actual work, under the action of a high-pressure fan, air enters the fixed inner cylinder 220 along the air inlet pipe 222, impurities are blocked by the filter cover 216, so that primary treatment of the air is completed, the airflow of a chamber where the annular box 203 is located is static, so that deposition of the impurities is facilitated, when the impurities in the annular box 203 need to be cleaned in the later period, the annular piston block 204 is driven by the telescopic cylinder 202 to move downwards, when the movable bottom plate 207 moves out of the annular box 203, the communicating port 205 is blocked by the annular piston block 204, so that overflow of the air without impurities is avoided, the impurities on the movable bottom plate 207 can automatically slide down, a movable door is arranged on the outer side of the box body 201 where the annular box 203 is located, and the externally discharged impurities can be cleaned through the movable door;
a guide hopper 215 for guiding airflow is arranged in the fixed inner cylinder 220 below the filter cover 216, a guide pipe at the lower end of the guide hopper 215 extends below the liquid level of the reservoir, and the gas is sent below the liquid level of the reservoir through the guide hopper 215 and the guide pipe, so that the air is washed;
the exhaust end of the fixed inner cylinder 220 is connected with a drying box 224 arranged inside the box body 201, the exhaust end of the drying box 224 is provided with an exhaust pipe 225 used for extending out of the box body 201, and thus after the filtered and washed gas is purified by the drying box, the electric elements inside the electric cabinet are prevented from being damaged due to too large air humidity.
A partition plate 214 is arranged between the fixed inner cylinder 220 above the drying box 224 and the inner wall of the box body 201.
Example 2
In order to improve the purification effect, an auxiliary scraping mechanism is arranged in the fixed inner cylinder 220 above the filter cover 216, the auxiliary scraping mechanism comprises a rotating ring 223 coaxially arranged with the air inlet pipe 222, blades 221 are arranged on the inner wall of the rotating ring 223, the outer side of the rotating ring 223 is connected with the inner ring of a fixed bearing, the outer ring of the fixed bearing is fixedly connected with the inner wall of the fixed inner cylinder 220 through a positioning rod 219, a plurality of hanging rods are distributed at the lower end of the rotating ring 223 in an array manner, the lower ends of the hanging rods are connected with cleaning rods 218 arranged in parallel with the surface of the filter cover 216, and scraping brushes 217 for scraping impurities on the surface of the filter cover 216 are arranged on the surface of the cleaning rods 218;
under the drive of air current, blade 221 drives rotatory ring 223 and rotates, and rotatory ring 223 drives clearance pole 218 and rotates, and the scraping brush 217 of clearance pole 218 downside can scrape the material to filter mantle 216 to avoid impurity to pile up on filter mantle 216 surface.
Example 3
A water quality purification part is arranged on the reservoir 213 at the bottom of the fixed inner cylinder 220, the water quality purification part comprises a filter box 208, the filter box 208 forms a circulation loop with the reservoir 213 through two communicating pipes 212, one of the communicating pipes 212 is provided with a circulating liquid pump 209, two guide cone cylinders 211 for guiding water flow are further arranged in the filter box 208, a filter assembly 210 is detachably arranged between the two guide cone cylinders 211, and impurities in the reservoir continuously pass through the filter assembly 210 through the circulating liquid pump 209, so that the water purification operation is completed;
the filter assembly 210 comprises a movable insert block 2102 inserted into an installation groove in the filter box 208, the movable insert block 2102 is provided with an installation port 2103, a filter mesh 2101 is arranged inside the installation port 2103, a sealing plate 2105 which is tightly pressed and sealed with the outer surface of the filter box 208 is arranged at the outer end of the movable insert block 2102, and the sealing layer 2104 used for improving the sealing effect is arranged on the sealing plate 2105, so that the filter assembly 210 can be conveniently replaced in the later period by the detachable arrangement mode.
Example 4
The filter mantle 216 adopts the electrically conductive metal material to support, be equipped with the wiring end on the filter mantle 216, wiring end electric connection power supply unit utilizes power supply unit to be the circular telegram of filter mantle 216 to make filter mantle 216 temperature rise, thereby burn some tiny cotton materials that block up, further improved and prevented stifled effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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 (8)
1. A dustproof electric control system of a glass wool production workshop comprises a high-pressure fan (1) and a purification and dust removal box (2) connected with the high-pressure fan through a guide pipe, wherein the exhaust end of the purification and dust removal box (2) is connected with an electric control box (3) through a plurality of guide pipes, and the purification and dust removal box (2) is used for removing impurities in workshop air;
it is characterized in that the purifying and dedusting box (2) comprises a box body (201) and is arranged on the box body
The bottom of the fixed inner cylinder (220) is connected with the bottom in the box body (201), and a mounting gap is formed between the top of the fixed inner cylinder (220) and the top in the box body (201);
an air inlet pipe (222) connected with the high pressure fan (1) is arranged in the box body (201) in a penetrating way,
the lower end of the air inlet pipe (222) is communicated with an air inlet end at the top of the fixed inner cylinder (220), a filter cover (216) with a conical structure is arranged inside the fixed inner cylinder (220), and the filter cover (216) is used for carrying out primary impurity removal treatment on impurities;
the outer side of the fixed inner cylinder (220) is provided with an annular box (203) which is arranged annularly, and
the annular boxes (203) are communicated through a communication port (205), annular piston blocks (204) and movable bottom plates (207) are slidably matched in the annular boxes (203), the annular piston blocks (204) and the movable bottom plates (207) are arranged on the upper side and the lower side of the communication port (205) and are connected through a plurality of connecting rods (206), and the upper end surfaces of the movable bottom plates (207) are conical surfaces with high inner ends and low outer ends;
the upper end of the annular piston block (204) is connected with the output end of the telescopic cylinder (202), and
the telescopic cylinder (202) is arranged on the outer side of the fixed inner cylinder (220), and the annular piston block (204) and the movable bottom plate (207) can be driven to move up and down by the extension of the telescopic cylinder (202) so as to complete the subsequent slag discharging treatment;
the fixed inner cylinder (220) below the filter cover (216) is internally provided with a device for carrying out airflow
The lower end of the guide hopper (215) extends below the liquid level of the reservoir, and the gas is sent below the liquid level of the reservoir through the guide hopper (215) and the guide pipe, so that the air is washed;
the exhaust end of the fixed inner cylinder (220) is connected with the drying device arranged in the box body (201)
The exhaust end of the drying box (224) is provided with an exhaust pipe (225) extending out of the box body (201);
a water quality purification part is arranged on the water reservoir (213) at the bottom of the fixed inner cylinder (220),
the water quality purification part comprises a filter box (208), the filter box (208) forms a circulation loop with a reservoir (213) through two communicating pipes (212), one of the communicating pipes (212) is provided with a circulating liquid pump (209), the filter box (208) is also provided with two guide cone cylinders (211) for guiding water flow, and a filter assembly (210) is detachably arranged between the two guide cone cylinders (211);
the distance between the lower end of the annular piston block (204) and the lower end of the communication port (205) is the same as the distance between the outer side of the upper end of the movable bottom plate (207) and the lower end of the annular box (203), when the movable bottom plate (207) moves out of the annular box (203), the communication port (205) can be shielded by the annular piston block (204), and therefore the phenomenon that air without impurities overflows is avoided.
2. The dustproof electric control system of the glass wool production workshop according to claim 1, wherein the filter cover (216) is made of a conductive metal material, a wiring end is arranged on the filter cover (216), the wiring end is electrically connected with a power supply part, and the power supply part is used for electrifying the filter cover (216), so that the temperature of the filter cover (216) is increased, some blocked fine cotton materials are combusted, and the anti-blocking effect is further improved.
3. The dust-proof electric control system of the glass wool production plant according to claim 1, characterized in that the telescopic cylinder (202) is a hydraulic cylinder.
4. The electric control system for dust prevention of the glass wool production workshop according to claim 1, wherein an auxiliary scraping mechanism is arranged in a fixed inner cylinder (220) above the filter cover (216), the auxiliary scraping mechanism comprises a rotating ring (223) coaxially arranged with an air inlet pipe (222), blades (221) are arranged on the inner wall of the rotating ring (223), the outer side of the rotating ring (223) is connected with a fixed bearing inner ring, the fixed bearing outer ring is fixedly connected with the inner wall of the fixed inner cylinder (220) through a positioning rod (219), a plurality of hanging rods are distributed at the lower end of the rotating ring (223) in an array mode, the lower ends of the hanging rods are connected with cleaning rods (218) arranged in parallel with the surface of the filter cover (216), and scraping brushes (217) for scraping impurities on the surface of the filter cover (216) are arranged on the surface of the cleaning rods (218).
5. The dustproof electric control system of the glass wool production plant according to claim 1, wherein each communicating pipe (212) is provided with a throttle valve.
6. The dustproof electric control system of the glass wool production workshop according to claim 1, wherein the filtering component (210) comprises a movable insert block (2102) inserted into a mounting groove in the filter box (208), the movable insert block (2102) is provided with a mounting port (2103), a filter mesh (2101) is arranged inside the mounting port (2103), the outer end of the movable insert block (2102) is provided with a sealing plate (2105) which is tightly pressed and sealed with the outer surface of the filter box (208), and the sealing plate (2104) is arranged on the sealing plate (2105) and used for improving the sealing effect.
7. The dustproof electric control system of the glass wool production workshop according to claim 6, wherein the upper end face and the lower end face of the movable inserting block (2102) are provided with sealing layers.
8. The dustproof electric control system of the glass wool production workshop as claimed in claim 6, wherein the movable insert block (2102) is of a frustum structure with a narrow inner end and a wide outer end, and the mounting groove is matched with the frustum in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923255.8A CN110604994B (en) | 2019-09-27 | 2019-09-27 | Dustproof electrical system of cotton workshop of glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923255.8A CN110604994B (en) | 2019-09-27 | 2019-09-27 | Dustproof electrical system of cotton workshop of glass |
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| Publication Number | Publication Date |
|---|---|
| CN110604994A CN110604994A (en) | 2019-12-24 |
| CN110604994B true CN110604994B (en) | 2021-12-31 |
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| CN201910923255.8A Active CN110604994B (en) | 2019-09-27 | 2019-09-27 | Dustproof electrical system of cotton workshop of glass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113694649B (en) * | 2021-08-06 | 2023-07-18 | 中国一冶集团有限公司 | Electric automatization spray set |
| CN113477017B (en) * | 2021-08-18 | 2022-07-29 | 广东洲上科技有限公司 | Purification system and purification method for dust-free workshop |
| CN114768925A (en) * | 2022-04-19 | 2022-07-22 | 中电建安徽长九新材料股份有限公司 | Broken subassembly of circular cone |
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