Gas filtering device for VOCs (Volatile Organic Compounds) online monitoring system

Abstract

The utility model relates to the technical field of VOCs gas, in particular to a gas filtering device for a VOCs on-line monitoring system, which comprises a base, a motor fixedly connected to the top of the base, a turntable fixedly connected to the output end of the motor, a hollow groove formed in the turntable, a placing cylinder fixedly connected to the top of the turntable, and a support plate arranged in the placing cylinder, the bottom of the supporting plate is fixedly connected with a supporting protruding block, and a gas cylinder is arranged in the containing cylinder. The top of the base is fixedly connected with an air cylinder frame, the inner wall of the air cylinder frame is fixedly connected with an air cylinder, the other end of the air cylinder is fixedly connected with a movable frame, the bottom of the movable frame is movably connected with rolling wheels, and the upper face and the lower face of the inner wall of the movable frame are both provided with extrusion protruding blocks. The outer wall of the bottom end of the penetrating rod is fixedly connected with a lantern ring. The whole process does not need manual participation, the gas flow is simple, and the efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to VOCs gas field especially relates to a gas filtering device for VOCs on -line monitoring system. BACKGROUND

[0002] VOCs is volatile organic compound, sometimes also called VOC, VOCs mainly comes from factory emission, flue gas, biological fermentation process and daily life etc.

[0003] Applicant in the application of the utility model, through the retrieval, found that the Chinese patent disclosed "VOC on -line monitoring system's gas filtering device", its application number is "CN202322184747.4", the patent uses, through the start drive motor, to make drive motor's output shaft drive turntable rotation, and make next gas collection bottle with extension pipe correspond, and make extension pipe extend to the air inlet pipe of gas collection bottle, and open next gas collection bottle air inlet pipe's valve, simultaneously under the action of fixed spring, to make extension pipe stably locate on the air inlet pipe of gas collection bottle, to speed up the effect of replacing gas collection bottle, then carry out suction, can be repeated operation in turn.

[0004] But the device uses, need manually pull up the handle, to make connecting pipe drive extension pipe rise, to make extension pipe separate from the air inlet pipe of gas collection bottle, then close gas collection bottle air inlet pipe's valve, then start drive motor, to make drive motor's output shaft drive turntable rotation, and make next gas collection bottle with extension pipe correspond, after every time turntable rotates, need manually carry out suction operation, and the operation flow is complicated. UTILITY MODEL CONTENTS

[0005] The utility model discloses a gas filtering device for VOCs on -line monitoring system is provided to solve the existing technical problems.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of gas filtering device for VOCs online monitoring system, including base, the top of the base is fixedly connected with motor, the output of the motor is fixedly connected with carousel, the inside of the carousel is hollowed out slot, and the number of hollowed out slot has multiple, the top of the carousel is fixedly connected with placing cylinder, and the number of placing cylinder has multiple, the inside of multiple placing cylinder is all provided with support plate, the bottom of the support plate is fixedly connected with support boss, the inside of multiple placing cylinder is all provided with gas cylinder, the top of the base is fixedly connected with cylinder frame, the inner wall of the cylinder frame is fixedly connected with cylinder, the other end of the cylinder is fixedly connected with moving frame, the bottom of the moving frame is movably connected with gyro wheel, and the number of gyro wheel has two, the inner wall of the moving frame is all provided with extrusion boss, the top of the base is fixedly connected with portal frame, the top of the portal frame is provided with pressure receiving boss, the bottom of the pressure receiving boss is fixedly connected with pressure receiving spring, and the number of pressure receiving spring has multiple, the bottom of the pressure receiving boss is fixedly connected with through rod, the bottom end outer wall of the through rod is fixedly connected with collar.

[0007] As further description of the above technical solution:

[0008] The positions of multiple hollowed out slots correspond one-to-one with the positions of multiple placing cylinders, the support boss is located inside the hollowed out slot, the bottom of the through rod extends to the inside of the gas cylinder, and the collar is located at the top end of the gas cylinder.

[0009] As further description of the above technical solution:

[0010] Multiple limit grooves are formed in the outer wall of the placing cylinder, and the number of limit grooves is multiple, the outer wall of the support plate is fixedly connected with multiple limit blocks, the bottom of multiple limit blocks is fixedly connected with multiple limit springs, and the bottom of the limit spring is fixedly connected with the top of the carousel.

[0011] As further description of the above technical solution:

[0012] The bottom of the carousel is fixedly connected with multiple support legs, the bottom of multiple support legs is provided with pulley, the outer wall of the moving frame is fixedly connected with positioning rod, the other end of the positioning rod penetrates the cylinder frame, and the other end of the positioning rod is fixedly connected with stop block.

[0013] As further description of the above technical solution:

[0014] The top of the air cylinder frame is fixedly connected with an air extraction pump, the left side of the air extraction pump is fixedly connected with an air guide hose, the outer wall of the penetrating rod is fixedly connected with a connecting pipe, the other end of the air guide hose is sleeved on the outer portion of the connecting pipe, the outer wall of the moving frame is provided with a sliding groove, the inner portion of the sliding groove is provided with a sliding block, the connecting pipe penetrates through the sliding block, the outer wall of the sliding block is fixedly connected with positioning blocks on both sides, the inner wall of the sliding groove is provided with positioning grooves on both sides, and the positioning blocks are located in the positioning grooves.

[0015] As a further description of the above technical scheme:

[0016] The right side of the air extraction pump is fixedly connected with an air outlet, the other end of the air outlet is threadedly connected with a filter screen, and the bottom of the base is provided with universal wheels, and the number of the universal wheels is more than one.

[0017] The utility model has the advantages of the following beneficial effects:

[0018] When the motor operates, the rotating disc is driven to rotate, the gas cylinder in the placing cylinder is rotated to the lower side of the penetrating rod, then the air cylinder is stretched, the moving frame is pushed to move to the gas cylinder located below the penetrating rod, when the moving frame moves, the lower extrusion protrusion lifts up the supporting protrusion, the supporting plate and the gas cylinder in the placing cylinder are lifted up together, the upper extrusion protrusion extrudes the pressure receiving protrusion, the penetrating rod and the sleeve ring are synchronously lowered, finally the sleeve ring is sleeved on the top of the gas cylinder, the penetrating rod is inserted into the top gas outlet of the gas cylinder, because the existing gas cylinder adopts the built-in check valve structure, when the penetrating rod is inserted into the gas cylinder, the check valve is extruded, the gas in the gas cylinder flows out through the top, at this time, the plurality of pressure springs are in the compressed state, after the gas in the gas cylinder is discharged, the air cylinder is reversely operated, the plurality of pressure springs rebound, the pressure receiving protrusion and the penetrating rod are returned to the original position, the penetrating rod is removed from the top of the gas cylinder, the gas cylinder and the supporting plate are lowered and returned to the original position, then the motor is rotated again, the next gas cylinder is rotated to the bottom of the penetrating rod, the whole process does not need manual participation, the gas flow is simple and efficient.

[0019] During the returning process of the moving frame along with the air cylinder, the lower extrusion protrusion is separated from the supporting protrusion, the plurality of limiting springs rebound, the supporting plate and the gas cylinder on the top are lowered and returned to the original position, the gas cylinder and the penetrating rod are separated, after the penetrating rod is inserted into the gas cylinder, the air extraction pump operates, the gas in the gas cylinder passes through the connecting pipe and the air guide hose, finally is discharged from the air outlet, and is filtered through the filter screen, the connecting pipe is lifted up along with the lifting of the penetrating rod, drives the sliding block to move along the sliding groove, and the air guide hose and the connecting pipe are more stable in connection. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a first perspective overall structure schematic view of the gas filtering device for the VOCs online monitoring system;

[0021] Figure 2 This is a second-view overall structural diagram of a gas filtration device for an online VOCs monitoring system proposed in this utility model;

[0022] Figure 3 This is a schematic diagram of the positioning rod structure of a gas filtration device for an online VOCs monitoring system proposed in this utility model;

[0023] Figure 4 This is a schematic diagram of the bottom structure of the turntable of a gas filtration device for an online VOCs monitoring system proposed in this utility model;

[0024] Figure 5 This is a schematic diagram of the support plate structure of a gas filtration device for an online VOCs monitoring system proposed in this utility model;

[0025] Figure 6 This is a schematic diagram of the internal structure of a gas filtration device for an online VOCs monitoring system proposed in this utility model;

[0026] Figure 7 This utility model proposes a gas filtration device for an online VOCs monitoring system. Figure 6 Enlarged schematic diagram of structure A in the middle;

[0027] Figure 8 This utility model proposes a gas filtration device for an online VOCs monitoring system. Figure 6 Enlarged schematic diagram of the B-structure.

[0028] Legend:

[0029] 1. Base; 2. Motor; 3. Turntable; 4. Hollowed-out groove; 5. Placement cylinder; 6. Support plate; 7. Supporting protrusion; 8. Gas cylinder; 9. Cylinder frame; 10. Cylinder; 11. Moving frame; 12. Roller; 13. Extrusion protrusion; 14. Gantry frame; 15. Pressure-bearing protrusion; 16. Pressure-bearing spring; 17. Through rod; 18. Collar; 19. Limiting groove; 20. Limiting block; 21. Limiting spring; 22. Support leg; 23. Positioning rod; 24. Stop block; 25. Air pump; 26. Air guide hose; 27. Connecting pipe; 28. Slide groove; 29. ​​Slider; 30. Positioning block; 31. Positioning groove; 32. Exhaust port; 33. Filter screen; 34. Casters. Detailed Implementation

[0030] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0031] Reference Figures 1-8The utility model provides a kind of gas filtering device for VOCs online monitoring system: including base 1, the top of base 1 is fixedly connected with motor 2, the output of motor 2 is fixedly connected with carousel 3, the inside of carousel 3 is hollowed out and is provided with multiple hollow grooves 4, and the number of hollow groove 4 has multiple, the top of carousel 3 is fixedly connected with placing cylinder 5, and the number of placing cylinder 5 has multiple, the position of multiple hollow grooves 4 is respectively one-to-one corresponding with the position of multiple placing cylinder 5.The inside of multiple placing cylinder 5 is all provided with support plate 6, the bottom of support plate 6 is fixedly connected with support boss 7, support boss 7 is located in the inside of hollow groove 4, the inside of multiple placing cylinder 5 is all provided with gas cylinder 8, the gas inlet and outlet of gas cylinder 8 all adopt one-way valve structure, when through rod 17 enters the inside of the top of gas cylinder 8, the one-way valve structure of top is opened to top, gas will flow from top.The top of base 1 is fixedly connected with cylinder frame 9, the inner wall of cylinder frame 9 is fixedly connected with cylinder 10, the other end of cylinder 10 is fixedly connected with moving frame 11, the bottom of moving frame 11 is movably connected with gyro wheel 12, and the number of gyro wheel 12 is two.The inner wall of moving frame 11 is all provided with extrusion boss 13 on upper and lower surfaces, the top of base 1 is fixedly connected with portal frame 14, the top of portal frame 14 is provided with pressure receiving boss 15, the bottom of pressure receiving boss 15 is fixedly connected with pressure spring 16, and the number of pressure spring 16 has multiple, the bottom of pressure receiving boss 15 is fixedly connected with through rod 17, the bottom of through rod 17 extends to the inside of gas cylinder 8, the bottom end outer wall of through rod 17 is fixedly connected with collar 18, and collar 18 is located at the top periphery of gas cylinder 8.

[0032] When motor 2 operates, carousel 3 is driven to rotate, so that gas cylinder 8 in placing cylinder 5 is rotated to the lower side of through rod 17, then cylinder 10 is extended to push moving frame 11 to move to the gas cylinder 8 below through rod 17, when moving frame 11 moves, lower extrusion boss 13 lifts up support boss 7, so that support plate 6 and gas cylinder 8 in placing cylinder 5 are lifted up, and upper extrusion boss 13 extrudes pressure receiving boss 15, so that through rod 17 and collar 18 are synchronously moved down, finally, collar 18 is sleeved on the top of gas cylinder 8, and through rod 17 is inserted into the top outlet of gas cylinder 8.As the existing gas cylinder 8 adopts built-in one-way valve structure, when through rod 17 is inserted into gas cylinder 8, one-way valve is extruded, so that the gas in gas cylinder 8 flows out through the top, at this time, multiple pressure springs 16 are in compressed state, after the gas in gas cylinder 8 is discharged, cylinder 10 is reversely operated, multiple pressure springs 16 are bounced back, so that pressure receiving boss 15 and through rod 17 are reset, through rod 17 is moved out from the top of gas cylinder 8, gas cylinder 8 and support plate 6 are moved down to reset, then motor 2 is rotated again, so that the next gas cylinder 8 is rotated to the bottom of through rod 17, the whole process does not need manual intervention, the gas flow is simple, and the efficiency is high.

[0033] The outer wall of the plurality of placing barrels 5 is provided with a plurality of limiting grooves 19, and the outer wall of the supporting plate 6 is fixedly connected with a plurality of limiting blocks 20, the bottom of each of the plurality of limiting blocks 20 is fixedly connected with a limiting spring 21, the bottom of the limiting spring 21 is fixedly connected with the top of the rotating disc 3, so that the supporting plate 6 can return smoothly after the supporting convex block 7 is separated from the lower end extrusion convex block 13, and the top of the gas cylinder 8 is separated from the penetrating rod 17.

[0034] The bottom of the rotating disc 3 is fixedly connected with a plurality of supporting legs 22, the bottom of each of the plurality of supporting legs 22 is provided with a pulley, the plurality of supporting legs 22 are used as supports, so that the rotating process of the rotating disc 3 is more stable. The outer wall of the moving frame 11 is fixedly connected with a positioning rod 23, the other end of the positioning rod 23 penetrates through the cylinder frame 9, the other end of the positioning rod 23 is fixedly connected with a stop block 24, so that the moving frame 11 moves more stably.

[0035] The top of the cylinder frame 9 is fixedly connected with a gas suction pump 25, the left side of the gas suction pump 25 is fixedly connected with a gas guide hose 26, the outer wall of the penetrating rod 17 is fixedly connected with a connecting pipe 27, the other end of the gas guide hose 26 is sleeved on the outside of the connecting pipe 27, the outer wall of the moving frame 11 is provided with a sliding groove 28, the inside of the sliding groove 28 is provided with a sliding block 29, the connecting pipe 27 penetrates through the sliding block 29, the outer wall of the sliding block 29 is fixedly connected with a positioning block 30 on both sides, the inner wall of the sliding groove 28 is provided with a positioning groove 31 on both sides, and the positioning block 30 is located in the inside of the positioning groove 31. The right side of the gas suction pump 25 is fixedly connected with an exhaust port 32, the other end of the exhaust port 32 is threadedly connected with a filter screen 33, the bottom of the base 1 is installed with a plurality of universal wheels 34.

[0036] After the penetrating rod 17 is inserted into the gas cylinder 8, the gas suction pump 25 operates, the gas in the gas cylinder 8 passes through the connecting pipe 27, the gas guide hose 26 and the filter screen 33, and is finally discharged from the exhaust port 32. The connecting pipe 27 rises and falls with the penetrating rod 17, drives the sliding block 29 to move along the sliding groove 28, and makes the gas guide hose 26 and the connecting pipe 27 more stable.

[0037] Working principle:

[0038] When the motor 2 operates, the rotating disc 3 is driven to rotate, so that the gas cylinder 8 in the placing cylinder 5 is rotated to below the penetrating rod 17, then the cylinder 10 is extended, the moving frame 11 is pushed to move to the gas cylinder 8 below the penetrating rod 17, when the moving frame 11 moves, the lower extrusion lug 13 pushes up the supporting lug 7, so that the supporting plate 6 and the gas cylinder 8 in the placing cylinder 5 are lifted, and the upper extrusion lug 13 extrudes the pressure receiving lug 15, so that the penetrating rod 17 and the sleeve ring 18 are synchronously lowered, finally, the sleeve ring 18 is sleeved on the top of the gas cylinder 8, and the penetrating rod 17 is inserted into the top gas outlet of the gas cylinder 8. Since the existing gas cylinder 8 adopts a built-in one-way valve structure, when the penetrating rod 17 is inserted into the gas cylinder 8, the one-way valve is extruded, so that the gas in the gas cylinder 8 flows out through the top, at this time, the plurality of pressure springs 16 are in the compressed state, after the gas in the gas cylinder 8 is discharged, the cylinder 10 is reversely operated, the plurality of pressure springs 16 rebound, so that the pressure receiving lug 15 and the penetrating rod 17 are reset, the penetrating rod 17 is moved out from the top of the gas cylinder 8, the gas cylinder 8 and the supporting plate 6 are lowered and reset, then the motor 2 is rotated again, so that the next gas cylinder 8 is rotated to the bottom of the penetrating rod 17, the cylinder 10 repeats the above operation, and uninterrupted gas discharge operation is realized.

[0039] In the description of the utility model, it is understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle" indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model.

[0040] The above-mentioned is only a specific embodiment of the utility model, and cannot limit the scope of the utility model, so that the replacement of equivalent components or equivalent changes and modifications made in the scope of the utility model patent protection are still within the scope of the utility model claims.

Claims

1. A gas filtering device for VOCs online monitoring system, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with a motor (2), the output end of the motor (2) is fixedly connected with a rotating disc (3), the inside of the rotating disc (3) is provided with a plurality of hollow grooves (4), the top of the rotating disc (3) is fixedly connected with a plurality of placing barrels (5), the inside of each of the plurality of placing barrels (5) is provided with a supporting plate (6), the bottom of the supporting plate (6) is fixedly connected with a supporting protruding block (7), the inside of each of the plurality of placing barrels (5) is provided with a gas cylinder (8), the top of the base (1) is fixedly connected with a cylinder frame (9), the inner wall of the cylinder frame (9) is fixedly connected with a cylinder (10), the other end of the cylinder (10) is fixedly connected with a moving frame (11), the bottom of the moving frame (11) is movably connected with a plurality of rollers (12), the inner wall of the moving frame (11) is provided with a plurality of extrusion protruding blocks (13) on the upper surface and the lower surface, the top of the gantry (14) is provided with a plurality of pressure receiving protruding blocks (15), the bottom of each of the plurality of pressure receiving protruding blocks (15) is fixedly connected with a pressure receiving spring (16), the bottom of each of the plurality of pressure receiving protruding blocks (15) is fixedly connected with a penetrating rod (17), and the bottom end of the penetrating rod (17) is fixedly connected with a plurality of eyelets (18). 2.The VOCs online monitoring system gas filter device according to claim 1, characterized in that: The positions of the plurality of hollow grooves (4) correspond to the positions of the plurality of placing barrels (5) one by one, the supporting protruding block (7) is located in the hollow groove (4), the bottom of the penetrating rod (17) extends into the inside of the gas cylinder (8), and the eyelet (18) is located at the top end of the gas cylinder (8). 3.The VOCs online monitoring system gas filter device of claim 1, wherein: The outer wall of each of the plurality of placing barrels (5) is provided with a plurality of limiting grooves (19), the outer wall of the supporting plate (6) is fixedly connected with a plurality of limiting blocks (20), the bottom of each of the plurality of limiting blocks (20) is fixedly connected with a limiting spring (21), and the bottom of the limiting spring (21) is fixedly connected with the top of the rotating disc (3). 4.The VOCs online monitoring system gas filter device of claim 1, wherein: The bottom of the rotating disc (3) is fixedly connected with a plurality of supporting legs (22), the bottom of each of the plurality of supporting legs (22) is provided with a pulley, the outer wall of the moving frame (11) is fixedly connected with a positioning rod (23), the other end of the positioning rod (23) penetrates through the cylinder frame (9), and the other end of the positioning rod (23) is fixedly connected with a stop block (24). 5.The VOCs online monitoring system gas filter device of claim 1, wherein: The top of the air cylinder frame (9) is fixedly connected with an air extraction pump (25), the left side of the air extraction pump (25) is fixedly connected with an air guide hose (26), the outer wall of the through rod (17) is fixedly connected with a connecting pipe (27), the other end of the air guide hose (26) is sleeved on the outside of the connecting pipe (27), the outer wall of the moving frame (11) is provided with a sliding groove (28), the inside of the sliding groove (28) is provided with a sliding block (29), the connecting pipe (27) penetrates through the sliding block (29), the outer wall of the sliding block (29) is fixedly connected with a positioning block (30) on both sides, the inner wall of the sliding groove (28) is provided with a positioning groove (31) on both sides, and the positioning block (30) is located in the positioning groove (31). 6.The VOCs online monitoring system gas filter device of claim 5, wherein: The right side of the air extraction pump (25) is fixedly connected with an exhaust port (32), the other end of the exhaust port (32) is threadedly connected with a filter screen (33), a plurality of universal wheels (34) are mounted on the bottom of the base (1).

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