CN116191260A - Heat dissipation dehydrating unit of cubical switchboard - Google Patents
Heat dissipation dehydrating unit of cubical switchboard Download PDFInfo
- Publication number
- CN116191260A CN116191260A CN202310149959.0A CN202310149959A CN116191260A CN 116191260 A CN116191260 A CN 116191260A CN 202310149959 A CN202310149959 A CN 202310149959A CN 116191260 A CN116191260 A CN 116191260A
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- Prior art keywords
- wall
- shell
- heat dissipation
- cabinet body
- cabinet
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- 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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to a heat dissipation and dehumidification device of a switch cabinet, and belongs to the technical field of switch cabinets. The novel cabinet mainly aims at solving the problem that wind entering the cabinet body is uneven when the existing product is used for radiating and dehumidifying the cabinet body, and the novel cabinet is provided with the following technical scheme that the novel cabinet comprises a switch cabinet body composed of the cabinet body and a base, a radiating and dehumidifying device used for radiating and dehumidifying is arranged on the side wall of the switch cabinet body, and the radiating and dehumidifying device comprises a wind guide mechanism arranged on the inner wall of the right side of the cabinet body and a blast mechanism loaded on the outer wall of the right side of the cabinet body. The device for radiating and dehumidifying the cabinet body is divided into the air guide mechanism and the air blowing mechanism, wherein the air guide mechanism is arranged on the inner wall of the side edge of the cabinet body, and the air blowing mechanism is of an external structure, so that the use space inside the cabinet body is further ensured, the air entering the cabinet body can uniformly enter the cabinet body through the arrangement of the air guide mechanism, the problem that components inside the cabinet body are uneven in radiating and dehumidifying is avoided, and the service life of the components is prolonged.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to a heat dissipation and dehumidification device of a switch cabinet.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters the main control switch in the cabinet, then enters the sub-control switch, and each shunt is arranged according to the requirement. A large number of electrical elements are arranged in the switch cabinet, so that heat and moisture can be generated after the switch cabinet runs for a long time in the cabinet body. For guaranteeing the normal operating of cubical switchboard, and then add heat dissipation dehydrating unit in its inside, but its setting can occupy a large amount of spaces in the inside of the cabinet body, and dismantle inconveniently.
The current chinese patent of bulletin number CN209434657U of authorizing discloses a cubical switchboard heat dissipation dehydrating unit, including the cubical switchboard cabinet body, the bottom fixedly connected with base of the cubical switchboard cabinet body, and the top of base is provided with the heat dissipation dehumidification case, the heat dissipation dehumidification case bottom lean on intermediate position bonding to have the cushion, the bottom and the cubical switchboard cabinet body contact of cushion, the equal fixed mounting in both ends position has radiator fan about the heat dissipation dehumidification case bottom lean on, the heat dissipation dehumidification case top lean on intermediate position fixedly connected with carrying handle. This cubical switchboard heat dissipation dehydrating unit, through cushion, heat dissipation dehydrating unit, carrying handle, antiskid cover, even caking, curb plate, bolt, pressure pad, air intake, filter screen, screw hole and the setting of heat insulating board, solved traditional cubical switchboard heat dissipation dehydrating unit and installed in the inside of cubical switchboard generally, taken up a large amount of available spaces of cubical switchboard, and traditional cubical switchboard heat dissipation dehydrating unit is inconvenient for the dismouting, can not satisfy user's user demand's problem.
According to the technical scheme in the patent document, although the heat dissipation and dehumidification device is arranged outside the cabinet body in a bolt connection mode, occupation of the space of the cabinet body is reduced, and the heat dissipation and dehumidification device in the product is convenient to disassemble and assemble, the heat dissipation and dehumidification device is arranged at the top of the cabinet body, air flow to the inside of the cabinet body is realized only by means of air blowing of the heat dissipation fan, air flows from top to bottom in the cabinet body, the size of the cabinet body is large, and further the uniformity of the air entering the cabinet body is difficult to ensure when the heat dissipation fan blows, particularly when hot air dehumidifies, the top components of the cabinet body are closest to the heat dissipation fan, the top components are easy to be excessively heated to damage, and the dehumidification effect is not completed, so that the service life of equipment is influenced.
Therefore, how to process the switch cabinet is a technical problem that needs to be solved currently by those skilled in the art.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a heat dissipation and dehumidification device of a switch cabinet.
The technical scheme of the invention is as follows: the utility model provides a heat dissipation dehydrating unit of cubical switchboard, includes the cubical switchboard main part that comprises cabinet body and base, is equipped with the heat dissipation dehydrating unit that is used for heat dissipation dehumidification on the lateral wall of cubical switchboard main part, heat dissipation dehydrating unit is including setting up the wind-guiding mechanism on cabinet body right side inner wall, and load the blast mechanism on cabinet body right side outer wall, the blast mechanism includes the casing, is provided with the linking frame on the outer wall of casing an organic whole, and all is provided with the filterable filter screen of air inlet on the front and back lateral wall of casing, be provided with a plurality of radiator fans on the left side shell wall of casing, and all install the heating plate that is used for the air inlet heating on the upper and lower inner wall of casing, be provided with the adjusting part that is used for clearing up the filter screen on the casing;
the wind guiding mechanism comprises a shell cover welded on the shell wall on the right side of the switch cabinet main body, a rotating shaft is rotatably connected to the shell cover, a disc is mounted at the left end of the rotating shaft, a return plate is movably connected to the disc, and exhaust pieces for air outlet are arranged on the front shell wall and the rear shell wall of the return plate.
Preferably, the base sets up in the top of the cabinet body, be provided with the cabinet door on the positive shell wall of the cabinet body, and all offer the thermovent that is used for radiating on the both sides shell wall of the cabinet body.
Preferably, a loading frame positioned on the outer wall of the right side of the cabinet body is welded around the right side of the heat dissipation opening, and the air blowing mechanism is inserted into the loading frame, wherein the connecting frame is fixedly connected with the loading frame through screws.
Preferably, the front and rear side walls of the shell are provided with air inlets, and the filter screens are respectively arranged in the corresponding air inlets.
Preferably, the adjusting component comprises a motor connected to the outer wall of the right side of the shell through screws, a telescopic shaft is installed at the output end of the motor, one end of the telescopic shaft, far away from the motor, penetrates through the left shell wall of the shell, and a coupler main body for connecting the rotating shaft is installed.
Preferably, an elliptical disk is arranged on the telescopic shaft, an annular groove is formed in the peripheral wall of the elliptical disk, two sides of the elliptical disk are slidably connected with cleaning plates positioned in the shell, one side, close to the elliptical disk, of each cleaning plate is fixedly connected with an adjusting rod, and one end, close to the elliptical disk, of each adjusting rod is movably connected in the annular groove.
Preferably, a convex rod is arranged on the left shell wall of the disc, the return-type plate is sleeved on the convex rod, a plurality of sliding blocks are arranged on the right side of the return-type plate, and one side, away from the return-type plate, of the sliding blocks is connected to the side wall of the shell cover in a sliding manner.
Preferably, the exhaust piece comprises a hollow plate and nozzles arranged on the side walls of the hollow plate in a matrix mode, a hose is arranged on the right side shell wall of each hollow plate, and the other end of the hose is fixedly connected to the top shell wall of the shell cover.
Compared with the prior art, the invention has the following beneficial technical effects:
1. divide into wind-guiding mechanism and blast mechanism with being used for the device of cabinet body heat dissipation dehumidification, wherein wind-guiding mechanism sets up on the side inner wall of the cabinet body, and blast mechanism is external structure, and then has not only ensured the internal usage space of cabinet, and wind-guiding mechanism's setting makes the internal portion of entering cabinet that wind in the cabinet body can be even, avoids appearing the internal components and parts of cabinet inhomogeneous problem when heat dissipation and dehumidification, prolongs its life.
2. Through the adjusting part who sets up in blast mechanism, it has not only realized the activity of wind-guiding mechanism, and it has realized the synchronous clearance of filter screen, alleviates staff's maintenance burden, improves the practicality of equipment.
Drawings
FIG. 1 shows a schematic view of a partially cut-away perspective structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the axial side view of FIG. 1;
fig. 3 is a schematic side view of fig. 1.
Reference numerals: 1. a switch cabinet body; 11. a cabinet body; 12. a base; 2. a loading frame; 3. a blowing mechanism; 31. a housing; 32. a connection frame; 33. a filter screen; 34. a heat radiation fan; 35. a heating sheet; 36. an adjustment assembly; 361. a motor; 362. a telescopic shaft; 363. an oval plate; 364. an adjusting rod; 365. a cleaning plate; 366. a coupling body; 4. an air guide mechanism; 41. a housing; 42. a disc; 43. a return plate; 44. and an exhaust piece.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1 and 3, the heat dissipation and dehumidification device of a switch cabinet provided by the invention comprises a switch cabinet main body 1 formed by a cabinet body 11 and a base 12, and a heat dissipation and dehumidification device for heat dissipation and dehumidification is arranged on the side wall of the switch cabinet main body 1. The heat dissipation and dehumidification device comprises an air guide mechanism 4 arranged on the inner wall of the right side of the cabinet body 11 and an air blowing mechanism 3 arranged on the outer wall of the right side of the cabinet body 11. The blower mechanism 3 comprises a shell 31, a connecting frame 32 is integrally arranged on the outer wall of the shell 31, and filter screens 33 for filtering air are arranged on the front side wall and the rear side wall of the shell 31. A plurality of heat dissipation fans 34 are arranged on the left shell wall of the shell 31, and heating plates 35 for air intake heating are arranged on the upper and lower inner walls of the shell 31. An adjustment assembly 36 for cleaning the filter screen 33 is provided on the housing 31.
The wind guiding mechanism 4 comprises a shell cover 41 welded on the right shell wall of the switch cabinet main body 1, and a rotating shaft is rotatably connected to the shell cover 41. The left end of the rotating shaft is provided with a disc 42, the disc 42 is movably connected with a return plate 43, and the front and rear shell walls of the return plate 43 are respectively provided with an exhaust piece 44 for exhausting air.
The adjustment assembly 36 includes a motor 361 that is attached to the right outer wall of the housing 31 by screws. The output end of the motor 361 is provided with a telescopic shaft 362, and one end of the telescopic shaft 362 away from the motor 361 passes through the left side wall of the housing 31 and is provided with a coupling body 366 for connecting the rotating shaft. An elliptical disk 363 is arranged on the telescopic shaft 362, an annular groove is formed in the peripheral wall of the elliptical disk 363, and cleaning plates 365 positioned in the shell 31 are connected to the two sides of the elliptical disk 363 in a sliding manner. One side of the cleaning plate 365, which is close to the elliptical disk 363, is fixedly connected with an adjusting rod 364, and one end of the adjusting rod 364, which is close to the elliptical disk 363, is movably connected in the annular groove.
In this embodiment, a temperature and humidity sensor for monitoring the temperature and humidity inside the cabinet 11 is disposed on the inner wall of the cabinet, and the temperature and humidity sensor has various models, and in this embodiment, the model adopted is XH-WSD.
In this embodiment, the cleaning plate 365 is provided with bristles on one side close to the filter screen 33, and the diameter of the bristles is adapted to the diameter of the mesh of the filter screen 33, so that the cleaning plate 365 can clean the mesh of the filter screen 33.
The working principle of the heat dissipation and dehumidification device of the switch cabinet based on the first embodiment is as follows: when the temperature and humidity sensor arranged in the cabinet 11 senses that the temperature in the cabinet 11 is too high, the air blowing mechanism 3 in the heat dissipation and dehumidification device is started to operate. During operation of the blower mechanism 3, the radiator fan 34 and the adjusting unit 36 are operated synchronously. The cooling fan 34 is operated to absorb air, and the air is sent to the housing 41 of the air guide mechanism 4 through the cooling port on the right side wall of the cabinet 11. And the motor 361 drives the telescopic shaft 362 to rotate during the operation of the adjusting assembly 36, so as to synchronously drive the rotating shaft in the wind guiding mechanism 4 to rotate. The disc 42 in the air guide mechanism 4 moves, the return plate 43 drives the air exhaust piece 44 to reciprocate, and uniform blowing of the interior of the cabinet 11 is realized. The telescopic shaft 362 enables the elliptical disk 363 to rotate synchronously in the rotating process, and the cleaning plate 365 moves through the adjusting rod 364 to clean the filter screen 33. And the air entering the cabinet 11 is discharged from the heat radiation port on the other side of the cabinet 11, and the heat in the cabinet 11 is taken away by the air flow, so that the heat radiation of the cabinet 11 is realized.
If the temperature and humidity sensor senses that the humidity in the cabinet 11 is too high, the air blowing mechanism 3 in the heat dissipation and dehumidification device synchronously starts the heating plate 35 during starting. And then heats the air sucked into the housing 31, so that the hot air enters the cabinet 11 under the action of the cooling fan 34, and the dehumidification effect of the interior is realized.
Example two
As shown in fig. 1, based on the first embodiment, this embodiment further includes: the base 12 is arranged at the top of the cabinet 11, the front shell wall of the cabinet 11 is provided with a cabinet door, and the two side shell walls of the cabinet 11 are provided with heat dissipation openings for heat dissipation. The periphery of the right side heat radiation opening is welded with a loading frame 2 positioned on the outer wall of the right side of the cabinet body 11, and the air blowing mechanism 3 is inserted into the loading frame 2, wherein the connecting frame 32 is fixedly connected with the loading frame 2 through screws. Air inlets are formed in the front and rear side walls of the housing 31, and a plurality of filter screens 33 are respectively arranged in the corresponding air inlets.
In this embodiment, a placement groove is formed on the loading frame 2 for placing the connection frame 32 during the assembly of the air blowing mechanism 3, and connection bumps are integrally formed on the top and bottom of the loading frame 2 and the connection frame 32, and the corresponding connection bumps are connected by screws.
Example III
As shown in fig. 1-2, based on the first or second embodiment, the present embodiment further includes: a convex rod is arranged on the left shell wall of the disc 42, a return plate 43 is sleeved on the convex rod, a plurality of sliding blocks are arranged on the right side of the return plate 43, and one side of each sliding block, which is far away from the return plate 43, is connected to the side wall of the shell cover 41 in a sliding manner. The exhaust member 44 comprises a hollow plate and nozzles arranged on the side walls of the hollow plate in a matrix manner, and a hose is arranged on the right side wall of each hollow plate, and the other end of the hose is fixedly connected to the top wall of the housing 41.
In this embodiment, the hose is arranged so that the air exhaust member 44 can uniformly exhaust air when moving along with the return plate 43.
The above-described embodiments are merely a few preferred embodiments of the present invention, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present invention and the related teachings of the above-described embodiments.
Claims (8)
1. The utility model provides a heat dissipation dehydrating unit of cubical switchboard, includes cubical switchboard main part (1) that comprises cabinet body (11) and base (12), is equipped with the heat dissipation dehydrating unit who is used for heat dissipation dehumidification on the lateral wall of cubical switchboard main part (1), its characterized in that: the heat dissipation and dehumidification device comprises an air guide mechanism (4) arranged on the inner wall of the right side of a cabinet body (11) and an air blowing mechanism (3) arranged on the outer wall of the right side of the cabinet body (11), wherein the air blowing mechanism (3) comprises a shell (31), a connecting frame (32) is integrally arranged on the outer wall of the shell (31), filter screens (33) for filtering air intake are arranged on the front side wall and the rear side wall of the shell (31), a plurality of heat dissipation fans (34) are arranged on the left side shell wall of the shell (31), heating plates (35) for heating the air intake are arranged on the upper inner wall and the lower inner wall of the shell (31), and an adjusting component (36) for cleaning the filter screens (33) is arranged on the shell (31);
the air guide mechanism (4) comprises a shell cover (41) welded on the right shell wall of the switch cabinet main body (1), a rotating shaft is rotatably connected to the shell cover (41), a disc (42) is mounted at the left end of the rotating shaft, a return plate (43) is movably connected to the disc (42), and exhaust pieces (44) for air outlet are arranged on the front shell wall and the rear shell wall of the return plate (43).
2. A heat dissipation and dehumidification device for a switchgear as claimed in claim 1, wherein: the base (12) is arranged at the top of the cabinet body (11), cabinet doors are arranged on the front shell walls of the cabinet body (11), and heat dissipation openings for heat dissipation are formed in the shell walls on two sides of the cabinet body (11).
3. A heat dissipation and dehumidification device for a switchgear as claimed in claim 1, wherein: the right side around the thermovent is welded with a loading frame (2) positioned on the outer wall of the right side of the cabinet body (11), and the air blowing mechanism (3) is inserted into the loading frame (2), wherein the connecting frame (32) is fixedly connected with the loading frame (2) through screws.
4. A heat dissipation and dehumidification device for a switchgear as claimed in claim 1, wherein: air inlets are formed in the front side wall and the rear side wall of the shell (31), and a plurality of filter screens (33) are respectively arranged in the corresponding air inlets.
5. A heat dissipation and dehumidification device for a switchgear as claimed in claim 1, wherein: the adjusting component (36) comprises a motor (361) connected to the outer wall of the right side of the shell (31) through screws, a telescopic shaft (362) is arranged at the output end of the motor (361), one end, far away from the motor (361), of the telescopic shaft (362) penetrates through the shell wall of the left side of the shell (31), and a coupler main body (366) used for connecting a rotating shaft is arranged.
6. The heat dissipation and dehumidification device of a switch cabinet according to claim 5, wherein: an elliptical disc (363) is arranged on the telescopic shaft (362), an annular groove is formed in the peripheral wall of the elliptical disc (363), cleaning plates (365) located in the shell (31) are slidably connected to the two sides of the elliptical disc (363), an adjusting rod (364) is fixedly connected to one side, close to the elliptical disc (363), of the cleaning plates (365), and one end, close to the elliptical disc (363), of the adjusting rod (364) is movably connected to the annular groove.
7. A heat dissipation and dehumidification device for a switchgear as claimed in claim 1, wherein: the left side shell wall of disc (42) is provided with the protruding pole, return shaped plate (43) cover is located on the protruding pole, and the right side of return shaped plate (43) is provided with a plurality of sliders, and one side sliding connection that the slider kept away from return shaped plate (43) is on the lateral wall of shell cover (41).
8. A heat dissipation and dehumidification device for a switchgear as claimed in claim 1, wherein: the exhaust piece (44) comprises a hollow plate and nozzles arranged on the side walls of the hollow plate in a matrix mode, a hose is arranged on the right side shell wall of each hollow plate, and the other end of the hose is fixedly connected to the top shell wall of the shell cover (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310149959.0A CN116191260A (en) | 2023-02-22 | 2023-02-22 | Heat dissipation dehydrating unit of cubical switchboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310149959.0A CN116191260A (en) | 2023-02-22 | 2023-02-22 | Heat dissipation dehydrating unit of cubical switchboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116191260A true CN116191260A (en) | 2023-05-30 |
Family
ID=86440055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310149959.0A Pending CN116191260A (en) | 2023-02-22 | 2023-02-22 | Heat dissipation dehydrating unit of cubical switchboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116191260A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394174A (en) * | 2023-10-18 | 2024-01-12 | 中韶电气股份有限公司 | Switch cabinet |
| CN117902705A (en) * | 2024-03-19 | 2024-04-19 | 兰州鼎达科技有限公司 | Wastewater sedimentation tank and wastewater treatment method |
-
2023
- 2023-02-22 CN CN202310149959.0A patent/CN116191260A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394174A (en) * | 2023-10-18 | 2024-01-12 | 中韶电气股份有限公司 | Switch cabinet |
| CN117902705A (en) * | 2024-03-19 | 2024-04-19 | 兰州鼎达科技有限公司 | Wastewater sedimentation tank and wastewater treatment method |
| CN117902705B (en) * | 2024-03-19 | 2024-05-24 | 兰州鼎达科技有限公司 | Wastewater sedimentation tank and wastewater treatment method |
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