CN220438283U - Fire-fighting combustible gas detector - Google Patents

Fire-fighting combustible gas detector Download PDF

Info

Publication number
CN220438283U
CN220438283U CN202321822376.1U CN202321822376U CN220438283U CN 220438283 U CN220438283 U CN 220438283U CN 202321822376 U CN202321822376 U CN 202321822376U CN 220438283 U CN220438283 U CN 220438283U
Authority
CN
China
Prior art keywords
fixing
air inlet
groove
filter box
combustible gas
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
CN202321822376.1U
Other languages
Chinese (zh)
Inventor
缪虎
杨刚
刘东梅
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.)
Yunnan Veterans Fire Technology Co ltd
Original Assignee
Yunnan Veterans Fire Technology 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 Yunnan Veterans Fire Technology Co ltd filed Critical Yunnan Veterans Fire Technology Co ltd
Priority to CN202321822376.1U priority Critical patent/CN220438283U/en
Application granted granted Critical
Publication of CN220438283U publication Critical patent/CN220438283U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sampling And Sample Adjustment (AREA)

Abstract

The utility model provides a fire-fighting combustible gas detector. The fire-fighting combustible gas detector comprises: a wind box; the detection mechanism is fixedly arranged on the bellows; the filter box is fixedly arranged on the detection mechanism; the air inlet pipe is arranged on the air inlet of the filter box; the air inlet nozzle is fixedly arranged at the air inlet end of the air inlet pipe; the fixing mechanism is arranged on the filter box and is used for fixing the air inlet pipe on the air inlet of the filter box. The fire-fighting combustible gas detector provided by the utility model has the advantages of convenience in disassembly of the air inlet pipe and the detector detection mechanism, convenience in storage and avoidance of bending and fracture of the air inlet pipe.

Description

Fire-fighting combustible gas detector
Technical Field
The utility model relates to the technical field of combustible gas, in particular to a fire-fighting combustible gas detector.
Background
A flammable gas detector is a detector that responds to a single or multiple flammable gas concentrations. The combustible gas detector has two types, namely catalytic type and infrared optical type. The catalytic type combustible gas detector is used for measuring the concentration of the combustible gas by utilizing the resistance change of the refractory metal platinum wire after heating. When the combustible gas enters the detector, an oxidation reaction (flameless combustion) is caused on the surface of the platinum wire, the heat generated by the oxidation reaction raises the temperature of the platinum wire, and the resistivity of the platinum wire changes.
However, the common gas inlet pipe and the detection mechanism of the combustible gas detector are connected together, and the problem that the detection result is affected due to gas leakage when the combustible gas detector detects because the gas inlet pipe is bent and broken when the combustible gas detector is stored frequently occurs.
Therefore, it is necessary to provide a new fire-fighting combustible gas detector to solve the above technical problems.
Disclosure of Invention
The utility model provides a fire-fighting combustible gas detector, which aims to solve the technical problem that the detection result is affected due to the fact that an air inlet pipe of a common combustible gas detector is easy to bend and break when being fixedly connected with a detection mechanism.
The fire-fighting combustible gas detector provided by the utility model comprises: a wind box; the detection mechanism is fixedly arranged on the bellows; the filter box is fixedly arranged on the detection mechanism; the air inlet pipe is arranged on the air inlet of the filter box; the air inlet nozzle is fixedly arranged at the air inlet end of the air inlet pipe; the fixing mechanism is arranged on the filter box and is used for fixing the air inlet pipe on the air inlet of the filter box.
Preferably, the fixing mechanism comprises a connecting cylinder detachably mounted on the air outlet end of the air inlet pipe, a pair of clamping plates are slidably arranged on the filter box, a U-shaped groove capable of clamping the air inlet pipe is formed in the clamping end of each clamping plate, a fixing plate is fixedly mounted at the bottom of each clamping plate, and the fixing plates are in sliding contact with the filter box.
Preferably, two fixing grooves are formed in the fixing plate, any fixing block can extend in one fixing groove, a fixing rod is fixedly installed on the fixing block, a fixing frame which is arranged in an L-shaped mode is fixedly installed on one side of the fixing plate on the filter box, and the fixing rod penetrates through the horizontal section of the fixing frame in a sliding mode.
Preferably, the part of the fixing rod located on the fixing frame is sleeved with a first spring, two sides of the first spring are respectively fixedly connected with the expanding part of the top of the fixing rod and the top of the fixing frame, the fixing frame is located on one side of the fixing rod, a limiting groove is formed in the part of the fixing rod located in the limiting groove, and a limiting block is fixedly installed on the part of the fixing rod located in the limiting groove.
Preferably, one side of the limit groove is positioned on the fixing frame and provided with a compression groove, the other side of the compression groove is positioned on the fixing frame and provided with a sliding groove, a sliding rod extending into the compression groove is arranged in the sliding groove in a sliding manner, and a trapezoid block which can extend into the limit groove is fixedly arranged at one end of the sliding rod positioned in the compression groove.
Preferably, a second spring is sleeved on a section of the sliding rod located in the compression groove, two ends of the second spring are fixedly connected with the trapezoid block and the inner wall of the compression groove respectively, a pull block is fixedly installed on one end of the sliding rod located outside the sliding groove, and rubber is arranged at an opening of the sliding groove located on the fixing frame.
Preferably, the filter box is internally and fixedly provided with a drying plate, the filter box is internally located below the drying plate and is fixedly provided with a filter plate, the filter box is hinged with a box door, the bellows is internally and fixedly provided with a fan, the air inlet end of the fan is communicated with the air outlet end of the detection mechanism, and the detection mechanism is fixedly provided with a display screen.
Compared with the related art, the fire-fighting combustible gas detector provided by the utility model has the following beneficial effects:
the utility model provides a fire-fighting combustible gas detector, which comprises:
1. the air inlet nozzle with the horn-shaped design can enlarge the range of the gas sucked by the detector, and the U-shaped groove at the clamping end of the clamping plate is used for conveniently clamping the air inlet pipe, so that the connecting cylinder can be fixed on the filter box, and the air inlet pipe is prevented from falling off in the detection process to influence the detection result;
2. the fixing blocks on the fixing rods conveniently extend into the fixing grooves on the fixing plates to fix the fixing plates, the clamping plates are conveniently limited to move, the fixing blocks are conveniently driven to leave the fixing grooves through the first springs to achieve rapid loosening of the fixing of the clamping plates, the limiting blocks on the fixing rods in the limiting grooves conveniently limit the positions of the fixing rods, the sliding rods extending into the compression grooves in the sliding grooves conveniently drive the trapezoid blocks to enter or leave the limiting grooves, so that the displacement of the limiting blocks is conveniently controlled, and the fixing of the fixing rods is achieved;
3. the trapezoidal piece of promotion enters into the spacing groove through the spring two convenience, draws the piece to conveniently stimulate and controls the removal of slide bar, and the setting of rubber can avoid the dust to enter into in the spout and lead to the clearance troublesome, can avoid a large amount of vapor to get into in the detection mechanism and cause the influence to detection mechanism through the desiccator, and the filter conveniently filters impurity such as dust that carry in the inhaled air, and the fan conveniently accelerates air inflow detection mechanism, improves detection efficiency, and the display screen conveniently shows detection result of detection mechanism.
Drawings
FIG. 1 is a schematic diagram of a fire-fighting combustible gas detector according to a preferred embodiment of the utility model;
FIG. 2 is a schematic diagram showing a cross-sectional front view of a fire-fighting combustible gas detector according to a preferred embodiment of the utility model;
FIG. 3 is an enlarged schematic view of the portion A shown in FIG. 2;
fig. 4 is an enlarged schematic view of the portion B shown in fig. 3.
Reference numerals in the drawings: 1. a wind box; 2. a detection mechanism; 3. a filter box; 4. an air inlet pipe; 5. an air inlet nozzle; 6. a connecting cylinder; 7. a clamping plate; 8. a fixing plate; 9. a fixing groove; 10. a fixed block; 11. a fixed rod; 12. a fixing frame; 13. a first spring; 14. a limit groove; 15. a limiting block; 16. a compression tank; 17. a chute; 18. a slide bar; 19. a trapezoid block; 20. a second spring; 21. pulling blocks; 22. rubber; 23. a drying plate; 24. a filter plate; 25. a blower; 26. and a display screen.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1 to fig. 4 in combination, fig. 1 is a schematic front view of a preferred embodiment of a fire-fighting combustible gas detector according to the utility model; FIG. 2 is a schematic diagram showing a cross-sectional front view of a fire-fighting combustible gas detector according to a preferred embodiment of the utility model; FIG. 3 is an enlarged schematic view of the portion A shown in FIG. 2; fig. 4 is an enlarged schematic view of the portion B shown in fig. 3.
The fire control combustible gas detector includes: a bellows 1; the detection mechanism 2 is fixedly arranged on the bellows 1; the filter box 3 is fixedly arranged on the detection mechanism 2; an intake pipe 4, the intake pipe 4 being provided on an intake port of the filter box 3; the air inlet nozzle 5 is fixedly arranged at the air inlet end of the air inlet pipe 4; the fixing mechanism is arranged on the filter box 3 and is used for fixing the air inlet pipe 4 on the air inlet of the filter box 3; the air to be detected is conveniently sucked into the detection mechanism 2 through the air inlet pipe 4 through the air box 1, the detection efficiency of the detector is improved, and the range of the gas sucked by the detector can be enlarged through the air inlet nozzle 5 with the horn-shaped design.
The fixing mechanism comprises a connecting cylinder 6 which is detachably arranged on the air outlet end of the air inlet pipe 4, a pair of clamping plates 7 are slidably arranged on the filter box 3, U-shaped grooves which can clamp the air inlet pipe 4 are formed in the clamping ends of the clamping plates 7, a fixing plate 8 is fixedly arranged at the bottom of the clamping plates 7, and the fixing plate 8 is in sliding contact with the filter box 3; the air inlet pipe 4 is conveniently clamped through the U-shaped groove at the clamping end of the clamping plate 7, so that the connecting cylinder 6 can be fixed on the filter box 3, and the air inlet pipe 4 is prevented from falling off in the detection process to influence the detection result.
Two fixing grooves 9 are formed in the fixing plate 8, a fixing block 10 can extend into any fixing groove 9, a fixing rod 11 is fixedly arranged on the fixing block 10, a fixing frame 12 which is arranged in an L-shaped manner is fixedly arranged on one side of the fixing plate 8 on the filter box 3, and the fixing rod 11 penetrates through the horizontal section of the fixing frame 12 in a sliding manner; the fixing blocks 10 on the fixing rods 11 conveniently extend into the fixing grooves 9 on the fixing plates 8 to fix the fixing plates 8, and the clamping plates 7 are conveniently limited to move.
A first spring 13 is sleeved on the part of the fixed rod 11, which is positioned on the fixed frame 12, two sides of the first spring 13 are fixedly connected with the expansion part of the top of the fixed rod 11 and the top of the fixed frame 12 respectively, a limit groove 14 is formed in one side of the fixed frame 12, which is positioned in the limit groove 14, and a limit block 15 is fixedly arranged on the part of the fixed rod 11, which is positioned in the limit groove 14; the first spring 13 conveniently drives the fixed block 10 to leave the fixed groove 9 rapidly so as to realize the rapid loosening of the fixing of the clamping plate 7, and the limiting block 15 on the fixed rod 11 in the limiting groove 14 conveniently limits the position of the fixed rod 11.
A compression groove 16 is formed in the fixed frame 12 at one side of the limit groove 14, a sliding groove 17 is formed in the fixed frame 12 at the other side of the compression groove 16, a sliding rod 18 extending into the compression groove 16 is slidably arranged in the sliding groove 17, and a trapezoid block 19 capable of extending into the limit groove 14 is fixedly arranged at one end of the sliding rod 18 positioned in the compression groove 16; the slide bar 18 extending into the compression groove 16 in the slide groove 17 conveniently drives the trapezoid block 19 to enter or leave the limit groove 14 so as to conveniently control the displacement of the limit block 15, thereby realizing the fixation of the fixed rod 11.
A second spring 20 is sleeved on one section of the slide bar 18 positioned in the compression groove 16, two ends of the second spring 20 are fixedly connected with the trapezoid block 19 and the inner wall of the compression groove 16 respectively, a pull block 21 is fixedly arranged at one end of the slide bar 18 positioned outside the slide groove 17, and rubber 22 is arranged at an opening of the slide groove 17 positioned on the fixed frame 12; the second spring 20 conveniently pushes the trapezoid block 19 to enter the limiting groove 14, the pull block 21 conveniently pulls to control the movement of the sliding rod 18, and the rubber 22 can prevent dust from entering the sliding groove 17 to cause cleaning trouble.
A drying plate 23 is fixedly installed in the filter box 3, a filter plate 24 is fixedly installed below the drying plate 23 in the filter box 3, a box door is hinged on the filter box 3, a fan 25 is fixedly installed in the air box 1, the air inlet end of the fan 25 is communicated with the air outlet end of the detection mechanism 2, and a display screen 26 is fixedly installed on the detection mechanism 2; can avoid a large amount of vapor to get into in the detection mechanism 2 and cause the influence to detection mechanism 2 through dry board 23, impurity such as dust that filter 24 conveniently filters to carry in the inhaled air, fan 25 conveniently accelerates air inflow detection mechanism 2, improves detection efficiency, and display screen 26 conveniently shows detection result of detection mechanism 2.
It should be noted that, in the present utility model, the circuits, electronic components and modules are all related to the prior art, and those skilled in the art may implement the present utility model completely, and it is needless to say that the protection of the present utility model does not relate to improvement of software and methods.
The working principle of the fire-fighting combustible gas detector provided by the utility model is as follows:
the scheme is also provided with an electric control cabinet, the electric control cabinet is arranged on the equipment, when the electric control cabinet is used, each electric equipment can be started to operate respectively, the power connection mode of each electric equipment is the prior mature technology, is a well-known technology of the person in the field, and is not redundant;
when the device is used, firstly, the device is taken to a position where flammable gas needs to be detected, then the clamping plate 7 is pulled outwards to enable the clamping end of the clamping plate 7 to be gradually far away from the air inlet of the filtering box 3, the fixing plate 8 is driven to move towards the vertical section of the fixing frame 12 by the movement of the clamping plate 7, when the clamping end of the clamping plate 7 leaves above the air inlet of the filtering box 3, the fixing groove 9 on the inner side of the fixing plate 8 reaches the lower side of the fixing block 10, the fixing rod 11 is pressed downwards at the moment to compress the first spring 13, the limiting block 15 on the fixing rod 11 moves downwards along the limiting groove 14, the trapezoidal block 19 pushes the sliding rod 18 to move towards the direction of the sliding groove 17 along with the gradual abutting of the limiting block 15 extending to the trapezoidal block 19 in the limiting groove 14, the second spring 20 compresses, when the limiting block 15 slides over the highest point of the trapezoidal block 19, the trapezoidal block 19 loses the thrust of the limiting block 15, the second spring 20 rebounds, the trapezoidal block 19 is pushed into the limiting groove 14 again, the pressing of the fixing rod 11 is released, the first spring 13 rebounds, the trapezoidal block 19 extends into the limiting groove 14, the limiting groove 14 is extended downwards, the trapezoidal block 19 is extended downwards, the other side is prevented from moving along the limiting groove 14, and the limiting plate 7 is prevented from moving upwards, and the clamping plate 7 is kept to be clamped, and the step 7 is kept well, and the clamping plate 7 is prevented from moving upwards, and the fixing plate is kept;
then the connecting cylinder 6 of the air inlet pipe 4 is placed on the air inlet of the filter box 3, after the placement is finished, the pull block 21 is pulled outwards, the pull block 21 drives the slide bar 18 to move to one side along the slide groove 17, the trapezoid block 19 leaves the limit groove 14, the compression spring II 20 is compressed, the trapezoid block 19 leaves the limit groove 14 and enters the compression groove 16, the limiting block 15 on the fixing rod 11 loses the blocking of the trapezoid block 19, the spring II 20 continuously rebounds, the fixing rod 11 is driven to move upwards, the fixing block 10 leaves the fixing groove 9 on the inner side, the fixing block 10 is loosened for fixing the clamping plate 7, the clamping plate 7 on the other side is loosened, then the clamping plate 7 is pushed to move towards each other, the U-shaped groove at the clamping end of the clamping plate 7 clamps the air inlet pipe 4, the air inlet pipe 4 is fixed on the filter box 3, at the moment, the fixing groove 9 on the outer side of the fixing plate 8 is positioned below the fixing block 10, the fixing rod 11 is pressed downwards, and the fixing block 10 enters the fixing groove 9 on the outer side, and the fixing plate 7 is fixed;
then, the fan 25 is turned on, the air inlet pipe 4 is held to enable the air inlet nozzle 5 to face the air to be detected, the air enters the filter box 3 from the air inlet nozzle 5 through the air inlet pipe 4, the air entering the filter box 3 firstly passes through the drying plate 23, the sucked moisture is absorbed by the drying plate 23, then the air continues to pass through the filter plate 24 to filter out impurities such as dust in the air, the filtered air enters the detection mechanism 2 for detection, and the air flows out from the air outlet end of the fan 25 after detection is completed.
Compared with the related art, the fire-fighting combustible gas detector provided by the utility model has the following beneficial effects:
the utility model provides a fire-fighting combustible gas detector, which is characterized in that air to be detected is conveniently sucked into a detection mechanism 2 for detection through an air inlet pipe 4 by an air box 1, the detection efficiency of the detector is improved, a horn-shaped air inlet nozzle 5 can enlarge the range of the gas sucked by the detector, the air inlet pipe 4 is conveniently clamped by a U-shaped groove at the clamping end of a clamping plate 7, a connecting cylinder 6 can be fixed on a filter box 3, the air inlet pipe 4 is prevented from falling in the detection process to influence the detection result, a fixing block 10 on a fixing rod 11 is conveniently extended into a fixing groove 9 on a fixing plate 8 to fix the fixing plate 8, the movement of the clamping plate 7 is conveniently limited, the fixing block 10 is conveniently driven to be quickly separated from the fixing groove 9 by a spring 13 to realize the quick loosening of the fixing plate 7, the stopper 15 on the dead lever 11 in the spacing groove 14 conveniently restricts the position of dead lever 11, slide bar 18 through extending to in the spout 17 in the compression groove 16 conveniently drives trapezoidal piece 19 and gets into or leave in the spacing groove 14, thereby conveniently control the displacement of stopper 15, realize fixing to dead lever 11, conveniently promote trapezoidal piece 19 through second spring 20 and get into spacing groove 14, pull piece 21 conveniently pulls the removal of control slide bar 18, setting up of rubber 22 can avoid the dust to get into in the spout 17 and lead to the clearance troublesome, can avoid a large amount of vapor to get into in the detection mechanism 2 and cause the influence to detection mechanism 2 through dry board 23, impurity such as dust that filter 24 conveniently filtered and carry in the air, fan 25 conveniently accelerates air inflow detection mechanism 2, improve detection efficiency, the display screen 26 conveniently shows detection result of detection mechanism 2.
The device structure and the drawings of the present utility model mainly describe the principle of the present utility model, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present utility model.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. A fire combustible gas detector, comprising:
a wind box;
the detection mechanism is fixedly arranged on the bellows;
the filter box is fixedly arranged on the detection mechanism;
the air inlet pipe is arranged on the air inlet of the filter box;
the air inlet nozzle is fixedly arranged at the air inlet end of the air inlet pipe;
the fixing mechanism is arranged on the filter box and is used for fixing the air inlet pipe on the air inlet of the filter box.
2. The fire-fighting combustible gas detector according to claim 1, wherein the fixing mechanism comprises a connecting cylinder detachably mounted on the air outlet end of the air inlet pipe, a pair of clamping plates are slidably arranged on the filter box, a U-shaped groove capable of clamping the air inlet pipe is formed in the clamping end of each clamping plate, and a fixing plate is fixedly mounted at the bottom of each clamping plate and is in sliding contact with the filter box.
3. The fire-fighting combustible gas detector according to claim 2, wherein two fixing grooves are formed in the fixing plate, fixing blocks can be extended in any fixing groove, fixing rods are fixedly installed on the fixing blocks, fixing frames which are arranged in an L-shaped mode are fixedly installed on one sides of the fixing plates on the filter box, and the fixing rods penetrate through horizontal sections of the fixing frames in a sliding mode.
4. The fire-fighting combustible gas detector according to claim 3, wherein a first spring is sleeved on the part of the fixing rod, two sides of the first spring are fixedly connected with the expansion part at the top of the fixing rod and the top of the fixing rod respectively, a limit groove is formed in one side of the fixing rod, and a limit block is fixedly installed on the part of the fixing rod located in the limit groove.
5. The fire-fighting combustible gas detector of claim 4, wherein one side of the limit groove is positioned on the fixing frame and provided with a compression groove, the other side of the compression groove is positioned on the fixing frame and provided with a sliding groove, a sliding rod extending into the compression groove is arranged in the sliding groove in a sliding manner, and a trapezoid block which can extend into the limit groove is fixedly arranged at one end of the sliding rod positioned in the compression groove.
6. The fire-fighting combustible gas detector according to claim 5, wherein a second spring is sleeved on a section of the slide bar located in the compression groove, two ends of the second spring are fixedly connected with the trapezoid block and the inner wall of the compression groove respectively, a pull block is fixedly installed on one end of the slide bar located outside the slide groove, and rubber is arranged at an opening of the slide groove located on the fixing frame.
7. The fire-fighting combustible gas detector of claim 1, wherein a drying plate is fixedly installed in the filter box, a filter plate is fixedly installed below the drying plate in the filter box, a box door is hinged on the filter box, a fan is fixedly installed in the air box, an air inlet end of the fan is communicated with an air outlet end of the detection mechanism, and a display screen is fixedly installed on the detection mechanism.
CN202321822376.1U 2023-07-12 2023-07-12 Fire-fighting combustible gas detector Active CN220438283U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321822376.1U CN220438283U (en) 2023-07-12 2023-07-12 Fire-fighting combustible gas detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321822376.1U CN220438283U (en) 2023-07-12 2023-07-12 Fire-fighting combustible gas detector

Publications (1)

Publication Number Publication Date
CN220438283U true CN220438283U (en) 2024-02-02

Family

ID=89698286

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321822376.1U Active CN220438283U (en) 2023-07-12 2023-07-12 Fire-fighting combustible gas detector

Country Status (1)

Country Link
CN (1) CN220438283U (en)

Similar Documents

Publication Publication Date Title
CN220438283U (en) Fire-fighting combustible gas detector
CN220823309U (en) Graphene heating plate of sweat steaming room
CN208671419U (en) A kind of air source heat pump of filter screen easy to disassemble
CN216870568U (en) High strength concrete check out test set
CN215311351U (en) Intelligent dehumidifying device based on novel semiconductor
CN210041043U (en) Dust-absorbing, drying and insulating device for power distribution room
CN211802957U (en) Constant temperature air supplement type fume chamber
CN208062545U (en) A kind of electrical equipment automation control cabinet
CN110461122B (en) Connecting device for adjacent big data server cabinet bodies
CN210602512U (en) Online drying device of plywood
CN214894451U (en) Sample drying device for environmental monitoring laboratory
CN217271057U (en) Novel energy-saving fire-fighting smoke exhaust fan
CN219869061U (en) Preheating mechanism of rotary drum kiln
CN221899616U (en) Smoke alarm for building fire prevention
CN214038481U (en) Vertical heat recoverer
CN215872507U (en) Novel air supply equipment that stability is strong
CN220103545U (en) Cold drier convenient to clean
CN221601586U (en) Directional flue gas trapping device
CN219722430U (en) Industrial dehumidifier with bottom air outlet
CN215610158U (en) Dry type pulse dust removing equipment
CN218798047U (en) Waste gas collecting cover
CN218090303U (en) Arc exhaust heat dissipation device
CN221400623U (en) Underground coal mine dust removing equipment
CN221400925U (en) Air compressor with protection function
CN221036730U (en) Smelting equipment for copper wire processing

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant