CN220650625U - Carbon emission monitoring device for factory production - Google Patents

Carbon emission monitoring device for factory production Download PDF

Info

Publication number
CN220650625U
CN220650625U CN202322311408.8U CN202322311408U CN220650625U CN 220650625 U CN220650625 U CN 220650625U CN 202322311408 U CN202322311408 U CN 202322311408U CN 220650625 U CN220650625 U CN 220650625U
Authority
CN
China
Prior art keywords
fixed
groove
filter
vent pipe
plate
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
Application number
CN202322311408.8U
Other languages
Chinese (zh)
Inventor
沈猛
冉凡林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongchun Environmental Protection Technology Shanghai Co ltd
Original Assignee
Zhongchun Environmental Protection Technology Shanghai Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongchun Environmental Protection Technology Shanghai Co ltd filed Critical Zhongchun Environmental Protection Technology Shanghai Co ltd
Priority to CN202322311408.8U priority Critical patent/CN220650625U/en
Application granted granted Critical
Publication of CN220650625U publication Critical patent/CN220650625U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The utility model discloses a carbon emission monitoring device for factory production, and relates to the technical field of carbon emission monitoring; the novel filter plate type air cleaner comprises a shell, wherein an air pipe is embedded into the inner side of the shell, a slot is formed in the front side of the shell, a filter plate is arranged in the slot, the front end of the air pipe extends into the slot and is attached to the filter plate, an air cylinder is connected between the filter plate and the slot, and brush plates are arranged on the left side and the right side of the air pipe. Carry on two filter screens through the filter to promote the framework through the cylinder, and then drive the filter and remove, thereby can make two filter screens all can remove to the breather pipe front side, then can remove the filter screen after the filter screen of breather pipe front end blocks up, change it into another filter screen that does not block up, make the smooth and easy passage of air, avoid causing the influence to carbon emission monitoring.

Description

Carbon emission monitoring device for factory production
Technical Field
The utility model relates to the technical field of carbon emission monitoring, in particular to a carbon emission monitoring device for factory production.
Background
Carbon emissions refer to the total amount of carbon dioxide gas released in various activities, and carbon dioxide gas generated by the activities is usually directly emitted in the air, and along with the proposal of energy conservation and emission reduction, the carbon emissions are also gradually carried out.
The utility model discloses a carbon emission monitoring device of prior art publication No. CN217634807U, the top of spanner frame is provided with the hoop cover, and the bottom of spanner frame is provided with decides the clamp holder, the bottom of lift slide bar is just to being provided with the clamp holder that moves to the below of deciding the clamp holder, the port inboard of monitoring pipeline is provided with the sensor, one side of sensor is provided with negative pressure fan. The utility model replaces the traditional fixed assembly monitoring mode, and has the advantages that the clamp assembly is positioned, under the monitoring of the flexibly detachable monitoring assembly, the device has simple and convenient assembly and use performances, the monitoring site can be independently selected according to the monitoring place, the monitoring flexibility is improved, and meanwhile, the device has convenient installation and use performances, and on the other hand, the device has convenient assembly and disassembly performances through the clamp assembly and the clamp assembly of the monitoring assembly, so that the device is convenient for workers to clean and overhaul regularly.
The above-mentioned carbon emission monitoring device is last to be provided with the filter screen section of thick bamboo and filters the air of entering device, but filter screen section of thick bamboo is after long-time use, remaining impurity can lead to mesh to block up, and then lead to the hindrance to air entering device, influence the monitoring of carbon emission, and the structure that impurity clear away on the filter screen section of thick bamboo is not set up in the above-mentioned device, the filter screen section of thick bamboo of jam can only be changed, the mode installation of filter screen section of thick bamboo through threaded connection in the above-mentioned device simultaneously, need manual dismantlement to change, it is comparatively troublesome for the staff, it is inconvenient to use, and the above-mentioned device is when the installation, the mounting structure has the opening, when mounting structure is lax, the device drops easily from support and leads to damaging, consequently mounting structure stability is poor.
Disclosure of Invention
The utility model provides a carbon emission monitoring device for factory production. The filter plate is pushed by the air cylinder to move, and the filter screen with the blocked meshes in front of the vent pipe is automatically replaced by an unblocked filter screen, so that smooth passage of air is ensured, and the influence on carbon emission monitoring is avoided; the two brush plates are driven to rotate by the servo motor, so that the two filter screens are cleaned; the supporting piece is clamped in a closed mode through the first fixing plate and the second fixing plate, the device is not easy to fall off from the supporting piece, and the installation structure is stable.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a factory production is with carbon emission monitoring devices, includes the casing, the casing inboard has inlayed the breather pipe, the fluting has been seted up to the casing front side, be equipped with the filter in the fluting, the breather pipe front end extends to in the fluting and is laminated with the filter, be connected with the cylinder between filter and the fluting, both sides all are equipped with the brush board;
a negative pressure fan and a carbon dioxide detector are fixed in the breather pipe;
two circular openings are formed in the filter plate, filter screens are fixed in the two circular openings, the vent pipe is coaxial with the adjacent circular openings, a frame body is sleeved outside the filter plate, one end of the air cylinder is fixed with the slot, and the other end of the air cylinder is fixed with the frame body;
the shell is provided with two first cavities, the two first cavities are respectively positioned at the left side and the right side of the vent pipe, a rotating rod and gears are arranged in the two first cavities, the rotating rod is movably connected with the first cavities and penetrates through the gears, the front side of the first cavities is provided with an opening, the front end of the rotating rod penetrates through the opening and is fixed with an adjacent brush plate, a circular first through groove is formed between the two first cavities, a circular ring is sleeved on the vent pipe, a plurality of uniformly distributed tooth blocks are fixed on the outer side wall of the circular ring, the two gears are meshed with the tooth blocks, a servo motor is fixed in the first cavity at the left side, and the rotating rod is fixed with the output end of the servo motor;
the utility model discloses a shell, including casing, screw rod, screw sleeve, second fixed plate, slot, second fixed plate, diaphragm, screw rod, screw sleeve inner wall, screw sleeve threaded connection, the casing bottom is close to front and back both sides department all is fixed with first fixed plate, two first fixed plate below all is equipped with the second fixed plate, the slot has been seted up on the first fixed plate, and the second fixed plate top is pegged graft in the slot, the second fixed plate bottom is fixed with the diaphragm, first fixed plate bottom is fixed with the screw rod, the perforation has been seted up on the diaphragm, be equipped with the swivel nut in the perforation, the internal thread has been seted up to the swivel nut inner wall, screw rod and swivel nut threaded connection.
Preferably, square second through grooves are formed in the shell, the second through grooves are located below the grooves, third through grooves are formed between the grooves and the second through grooves, fans are fixed in the second through grooves close to the left end, and the rear sides of the third through grooves are obliquely arranged.
Preferably, two short rods are fixed at the top of the filter plate and distributed right above the two openings, rectangular grooves are formed in the top of the frame body, sliding grooves are formed in the tops of the grooves, clamping grooves are formed in the rear sides of the sliding grooves, located in the middle and at the two ends, of the sliding grooves, the short rods penetrate through the rectangular grooves and are inserted into the clamping grooves, first grooves are formed in the front sides of the short rods, springs are fixed in the first grooves, and the springs are fixed with the rectangular grooves.
Preferably, the left side and the right side of the groove are provided with second grooves, the left side and the right side of the frame body are respectively fixed with tarpaulin, and one side, far away from the frame body, of the tarpaulin is inserted into the second grooves and is fixed with the second grooves.
Preferably, a second cavity is formed in the shell, the second cavity is located above the vent pipe, a storage battery and a controller are fixed in the second cavity, the controller is provided with a wireless transmission module, and a photovoltaic panel is fixed at the top of the shell.
Preferably, a first annular groove is formed in the outer side of the vent pipe, a second annular groove is formed in the inner wall of the circular ring, and a plurality of balls are arranged between the first annular groove and the second annular groove.
Preferably, the rear end of the vent pipe and the left end of the second vent groove are both fixed with isolation nets.
Compared with the prior art, the utility model has the beneficial effects that:
1. the filter plate is used for carrying two filter screens, and the frame body is pushed by the air cylinder, so that the filter plate is driven to move, both the two filter screens can be moved to the front side of the vent pipe, then the filter screen can be moved after the filter screen at the front end of the vent pipe is blocked, and the filter screen is replaced by another filter screen which is not blocked, so that air can smoothly pass through, and the influence on carbon emission monitoring is avoided;
2. two brush plates are arranged in the slot and distributed on two sides of the vent pipe, correspond to the positions of the two filter screens after moving, drive the brush plates to rotate through the servo motor and the rotating rod, and drive the two brush plates to rotate through the transmission of the gear, the ring and the tooth block by the servo motor, so that the two filter screens can be cleaned;
3. the device is installed on the supporting piece through the first fixing plate, the second fixing plate, the screw rod, the threaded sleeve and the transverse plate, the structure is simple, the use is convenient, the device is convenient to disassemble and assemble, the first fixing plate and the second fixing plate are spliced up and down, the supporting piece can be clamped in a closed mode, the device is not easy to fall from the supporting piece, and the installation structure is stable.
Drawings
FIG. 1 is a diagram of the overall structure of the present utility model;
FIG. 2 is an internal structural diagram of the present utility model;
FIG. 3 is a view showing the internal structure of the vent pipe of the present utility model;
FIG. 4 is a view showing the construction of the first and second fixing plates according to the present utility model;
fig. 5 is an enlarged view at a in fig. 2.
Reference numerals in the drawings: 1. a housing; 2. a filter plate; 3. a filter screen; 4. a cylinder; 5. a first fixing plate; 6. a screw; 7. a cross plate; 8. a screw sleeve; 9. a second fixing plate; 10. a servo motor; 11. a gear; 12. an isolation net; 13. a fan; 14. a frame; 15. a circular ring; 16. a rotating lever; 17. brushing a plate; 18. a vent pipe; 19. tarpaulin; 20. a negative pressure fan; 21. a carbon dioxide detector; 22. a short bar; 23. a photovoltaic panel; 24. a controller; 25. and a storage battery.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the carbon emission monitoring device for factory production comprises a shell 1, wherein a vent pipe 18 is embedded in the inner side of the shell 1, a slot is formed in the front side of the shell 1, a filter plate 2 is arranged in the slot, the front end of the vent pipe 18 extends into the slot to be attached to the filter plate 2, a cylinder 4 is connected between the filter plate 2 and the slot, and brush plates 17 are arranged on the left side and the right side of the vent pipe 18;
a negative pressure fan 20 and a carbon dioxide detector 21 are fixed in the breather pipe 18;
two circular openings are formed in the filter plate 2, a filter screen 3 is fixed in each circular opening, a vent pipe 18 is coaxial with the adjacent circular opening, a frame 14 is sleeved outside the filter plate 2, one end of a cylinder 4 is fixed with a slot, and the other end of the cylinder is fixed with the frame 14;
two short rods 22 are fixed at the top of the filter plate 2, the two short rods 22 are distributed right above the two openings, rectangular grooves are formed in the top of the frame 14, sliding grooves are formed in the tops of the grooves, clamping grooves are formed in the positions, located at the middle part and at the two ends, of the rear side of the sliding grooves, the short rods 22 penetrate through the rectangular grooves and are inserted into the clamping grooves, first grooves are formed in the front sides of the short rods 22, springs are fixed in the first grooves and are fixed with the rectangular grooves, when the cylinder 4 pushes the frame 14 to move, the filter plate 2 moves forwards relative to the frame 14 through the short rods 22 and the sliding grooves, so that gaps are formed between the filter screen 3 and the vent pipe 18 and the brush plate 17, after the filter screen 3 moves in place, the short rods 22 reset under the action of the springs to drive the filter plate 2 to reset, the two filter screens 3 are respectively contacted with the vent pipe 18 and the brush plate 17, the filter screen 3 are prevented from being in contact with the vent pipe 18 and the brush plate 17 in the moving process of the frame 14, the filter screen 3 is protected, and the filter screen 3 is prevented from being scraped by the vent pipe 18 and the brush plate 17;
second grooves are formed in the left side and the right side of the groove, tarpaulin 19 is fixed on the left side and the right side of the frame 14, one side, far away from the frame 14, of the tarpaulin 19 is inserted into the second grooves and fixed with the second grooves, so that when the frame 14 moves to any position, other parts of the groove are closed, and external sundries are prevented from entering the groove from the space outside the frame 14 to damage the brush plate 17;
the shell 1 is provided with two first cavities, the two first cavities are respectively positioned at the left side and the right side of the vent pipe 18, a rotating rod 16 and a gear 11 are arranged in the two first cavities, the rotating rod 16 is movably connected with the first cavities and penetrates through the gear 11, the front side of the first cavities is provided with an opening, the front end of the rotating rod 16 penetrates through the opening and is fixed with an adjacent brush plate 17, a circular first through groove is formed between the two first cavities, a circular ring 15 is sleeved on the vent pipe 18, a plurality of uniformly distributed tooth blocks are fixed on the outer side wall of the circular ring 15, the two gears 11 are meshed with the tooth blocks, a servo motor 10 is fixed in the first cavity at the left side, and the rotating rod 16 is fixed with the output end of the servo motor 10;
the outer side of the vent pipe 18 is provided with a first annular groove, the inner wall of the circular ring 15 is provided with a second annular groove, a plurality of balls are arranged between the first annular groove and the second annular groove, the circular ring 15 is limited by the clamping of the two sides of the balls with the first annular groove and the second annular groove, the circular ring 15 is prevented from deviating on the vent pipe 18, and the balls can enable the circular ring 15 to smoothly rotate;
a square second through groove is formed in the shell 1, the second through groove is located below the groove, a third through groove is formed between the groove and the second through groove, a fan 13 is fixed in the second through groove and close to the left end, the rear side of the third through groove is obliquely arranged, when the filter screen 3 is cleaned by the brush plate 17, impurities fall from the filter screen 3 and fall into the second through groove from the third through groove, the impurities are discharged out of the device through blowing air by the fan 13, and the cleaned impurities are prevented from falling into the groove and accumulating to influence the movement of the frame 14 and the rotation of the brush plate 17;
the isolation net 12 is fixed at the rear end of the vent pipe 18 and the left end of the second vent groove, so that the outside is isolated, sundries are prevented from entering the vent pipe 18 and the second vent groove from the rear end of the vent pipe 18 and the left end of the second vent groove, and the negative pressure fan 20, the carbon dioxide detector 21 and the fan 13 are protected;
the bottom of the shell 1 is fixed with a first fixed plate 5 near the front side and the rear side, the lower parts of the two first fixed plates 5 are respectively provided with a second fixed plate 9, the first fixed plates 5 are provided with slots, the tops of the second fixed plates 9 are inserted into the slots, the bottom of the second fixed plates 9 is fixed with a transverse plate 7, the bottom of the first fixed plates 5 is fixed with a screw rod 6, the transverse plate 7 is provided with a through hole, a screw sleeve 8 is arranged in the through hole, the inner wall of the screw sleeve 8 is provided with internal threads, and the screw rod 6 is in threaded connection with the screw sleeve 8;
the casing 1 is provided with a second cavity, the second cavity is positioned above the vent pipe 18, a storage battery 25 and a controller 24 are fixed in the second cavity, the controller 24 is provided with a wireless transmission module, a photovoltaic panel 23 is fixed at the top of the casing 1, operation of power consumption components in the device is supported by the storage battery 25, solar charging is carried out on the storage battery 25 by the photovoltaic panel 23, the device can be controlled by the controller 24 through the wireless transmission module in a remote operation mode, and monitoring data can be transmitted to a remote server through the wireless transmission module.
Working principle: when in use, a monitoring range is selected, a proper supporting piece is selected in the range, the turnbuckle 8 is rotated to remove the turnbuckle from the screw 6 so as to separate the first fixed plate 5 and the second fixed plate 9, the device is placed above the supporting piece, the first fixed plate 5 is contacted with the supporting piece, the second fixed plate 9 is placed below the supporting piece, the turnbuckle 8 is abutted with the screw 6, the turnbuckle 8 is rotated, the turnbuckle 8 drives the second fixed plate 9 to move upwards, the second fixed plate 9 is tightly attached to the supporting piece, thus the device is installed by clamping the supporting piece through the first fixed plate 5 and the second fixed plate 9, after the installation is completed, the remote control is performed through a wireless transmission module installed on the controller 24, the negative pressure fan 20 is started to perform ventilation, the external air passes through the filter screen 3, impurities in the air are filtered, the filtered air enters the ventilation pipe 18, and the tail end of the ventilation pipe 18 is discharged, the carbon dioxide in the air passing through the vent pipe 18 is monitored by the carbon dioxide detector 21, and the monitoring result can be uploaded to a remote server through a wireless transmission module for recording and analysis by a worker, when impurities on the filter screen 3 block meshes after a long time of use, the air cylinder 4 is started through the controller 24, the air cylinder 4 pushes the frame 14 to move to drive the filter plate 2 to move so as to align the vent pipe 18 with another opening, thereby replacing the filter screen 3, the blocked filter screen 3 moves to the brush plate 17, the servo motor 10 and the fan 13 are started at the moment, the servo motor 10 drives the rotating rod 16 to rotate and drives the brush plate 17 to rotate, the filter screen 3 is cleaned, the cleaned impurities fall into the second through the third through groove and are discharged out of the second through groove under the blowing of the fan 13, so that the filter screen 3 is automatically cleaned, the filter screen 3 is prevented from being blocked by the residue of impurities to influence the monitoring of carbon emission.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a carbon emission monitoring device for mill production which characterized in that: the novel filter plate cleaning device comprises a shell (1), wherein a vent pipe (18) is embedded in the inner side of the shell (1), a slot is formed in the front side of the shell (1), a filter plate (2) is arranged in the slot, the front end of the vent pipe (18) extends into the slot to be attached to the filter plate (2), a cylinder (4) is connected between the filter plate (2) and the slot, and brush plates (17) are arranged on the left side and the right side of the vent pipe (18);
a negative pressure fan (20) and a carbon dioxide detector (21) are fixed in the breather pipe (18);
two circular openings are formed in the filter plate (2), filter screens (3) are fixed in the two circular openings, the vent pipe (18) is coaxial with the adjacent circular openings, a frame body (14) is sleeved outside the filter plate (2), one end of the air cylinder (4) is fixed with the slot, and the other end of the air cylinder is fixed with the frame body (14);
two first cavities are formed in the shell (1), the two first cavities are respectively located at the left side and the right side of the vent pipe (18), a rotating rod (16) and a gear (11) are arranged in each first cavity, the rotating rod (16) is movably connected with the first cavity and penetrates through the gear (11), an opening is formed in the front side of each first cavity, the front end of the rotating rod (16) penetrates through the opening and is fixed with an adjacent brush plate (17), a circular first through groove is formed between the two first cavities, a circular ring (15) is sleeved on the vent pipe (18), a plurality of evenly distributed tooth blocks are fixed on the outer side wall of the circular ring (15), the two gears (11) are meshed with the tooth blocks, a servo motor (10) is fixed in the first cavity on the left side, and the rotating rod (16) is fixed with the output end of the servo motor (10);
the utility model discloses a shell, including casing (1), screw sleeve (8) and fixed plate (7), casing (1) bottom is close to front and back both sides department all is fixed with first fixed plate (5), two first fixed plate (5) below all is equipped with second fixed plate (9), the slot has been seted up on first fixed plate (5), and second fixed plate (9) top is pegged graft in the slot, second fixed plate (9) bottom is fixed with diaphragm (7), first fixed plate (5) bottom is fixed with screw rod (6), the perforation has been seted up on diaphragm (7), be equipped with swivel nut (8) in the perforation, the internal thread has been seted up to swivel nut (8) inner wall, screw rod (6) and swivel nut (8) threaded connection.
2. A plant-produced carbon emission monitoring device as defined in claim 1, wherein: square second through groove has been seted up on casing (1), the second through groove is located the fluting below, and has seted up the third through groove between fluting and the second through groove, be close to left end department in the second through groove and be fixed with fan (13), third through groove rear side is the slope setting.
3. A plant-produced carbon emission monitoring device as defined in claim 1, wherein: the utility model discloses a filter, including frame body (14), filter, rectangular channel, spout, draw-in groove, rectangular channel, clamping groove, first recess has been seted up to filter (2) top is fixed with two quarter butt (22), and two quarter butt (22) distribute directly over two openings, rectangular channel has been seted up at frame body (14) top, the spout rear side is located middle part and both ends department and all has seted up the draw-in groove, quarter butt (22) pass rectangular channel grafting in the draw-in groove, first recess has been seted up to quarter butt (22) front side, first recess internal fixation has the spring, the spring is fixed with rectangular channel.
4. A plant-produced carbon emission monitoring device as defined in claim 1, wherein: the left side and the right side of the slotting are provided with second grooves, the left side and the right side of the frame body (14) are respectively fixed with a tarpaulin (19), and one side, far away from the frame body (14), of the tarpaulin (19) is inserted into the second grooves and fixed with the second grooves.
5. A plant-produced carbon emission monitoring device as defined in claim 1, wherein: the solar energy storage device is characterized in that a second cavity is formed in the shell (1), the second cavity is located above the vent pipe (18), a storage battery (25) and a controller (24) are fixed in the second cavity, the controller (24) is provided with a wireless transmission module, and a photovoltaic panel (23) is fixed at the top of the shell (1).
6. A plant-produced carbon emission monitoring device as defined in claim 1, wherein: the outer side of the vent pipe (18) is provided with a first annular groove, the inner wall of the circular ring (15) is provided with a second annular groove, and a plurality of balls are arranged between the first annular groove and the second annular groove.
7. A plant-produced carbon emission monitoring device as defined in claim 1, wherein: the rear end of the vent pipe (18) and the left end of the second vent groove are both fixed with isolation nets (12).
CN202322311408.8U 2023-08-28 2023-08-28 Carbon emission monitoring device for factory production Active CN220650625U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322311408.8U CN220650625U (en) 2023-08-28 2023-08-28 Carbon emission monitoring device for factory production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322311408.8U CN220650625U (en) 2023-08-28 2023-08-28 Carbon emission monitoring device for factory production

Publications (1)

Publication Number Publication Date
CN220650625U true CN220650625U (en) 2024-03-22

Family

ID=90287430

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322311408.8U Active CN220650625U (en) 2023-08-28 2023-08-28 Carbon emission monitoring device for factory production

Country Status (1)

Country Link
CN (1) CN220650625U (en)

Similar Documents

Publication Publication Date Title
CN220650625U (en) Carbon emission monitoring device for factory production
CN110148896B (en) MNS type low-voltage distribution cabinet
CN209960654U (en) Shell of air conditioner
CN210543828U (en) Filter screen self-cleaning device and air purifier
CN216244730U (en) High-rise building smoke exhaust equipment with air purification function
CN115095939A (en) Energy-efficient new fan
CN210538021U (en) Sheep is bred and uses sheep hurdle ventilation equipment
CN210640595U (en) Dustproof and rainproof ventilation device for transformer substation
CN113965707A (en) Financial system wind accuse is two to be recorded device
CN220520924U (en) Thread end sucking machine
CN220569753U (en) Lithium iron phosphate battery module convenient for heat dissipation
CN219124830U (en) Agricultural underground storage ventilation system
CN217109984U (en) Dust-proof silencer of air conditioning unit
CN219046542U (en) Broadcasting power amplifier
CN218269142U (en) Power boiler air inlet pipeline convenient to filter
CN218897729U (en) Greenhouse exhaust device
CN112413526B (en) High strength building major structure that ventilation daylighting nature is strong
CN220600100U (en) Filter core is taken out and is inserted formula fan filter
CN220897361U (en) Plant factory circulating air adjusting device
CN219177750U (en) Thermal power cooling device
CN117559240B (en) Intelligent distribution box
CN211753177U (en) Dust collector for cement processing
CN219073545U (en) Multistage screening processing apparatus of seed for biological breeding
CN218348791U (en) Indoor ventilation structure for green building
CN219759142U (en) Insect-expelling type advertising lamp box

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant