Tail gas treatment equipment for chemical laboratory

Abstract

The utility model relates to the technical field of chemical laboratory equipment, in particular to tail gas treatment equipment for a chemical laboratory, which comprises a base, a filter is mounted at the top of the base, a first pipeline and a second pipeline are correspondingly mounted on the outer wall of the filter, combustion equipment is mounted at one end of the second pipeline, a third pipeline is mounted on the outer wall of the combustion equipment, a first fan is mounted at one end of the third pipeline, and a buffer is mounted at one end of the first fan. A fourth pipeline is installed on the outer wall of the buffer, a sprayer is installed at one end of the fourth pipeline, a sealing groove is formed in the top of the filter, and a sealing ring located in the sealing groove is installed at the bottom of the mounting plate, so that the sealing performance of the joint of the mounting plate and the filter can be improved under the cooperation of the sealing groove and the sealing ring; and gas leakage in the filter is avoided, so that the gas treatment effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of chemical laboratory equipment technology, specifically to a chemical laboratory exhaust gas treatment device. Background Technology

[0002] Chemical experiments are an essential process in the study of chemical materials. When chemical laboratory staff conduct experiments, a large amount of toxic and harmful gases are generated. If these toxic and harmful gases are directly released into the outdoor atmosphere, they will cause serious air pollution. Although the laboratory is relatively safe, the concentration of pollutants emitted during some chemical experiments is much higher than the concentration of pollutants in the general outdoor or indoor air. Moreover, as chemical researchers, they spend most of their time in the laboratory, so they are more susceptible to the adverse effects of pollutants.

[0003] The Chinese Patent Network discloses a tail gas treatment device for a chemical materials laboratory, publication number CN222111259U. Although it removes impurities from the tail gas through filtration to avoid interference with tail gas purification, uses a combustion device to oxidize harmful gases in the tail gas, and uses heated tail gas to catalyze subsequent chemical treatment, and uses a buffer to input a quantitative amount of gas into the treatment device to allow the tail gas to react fully with the treatment liquid, the cover plate in this prior art lacks a corresponding sealing mechanism. This makes it easy for gas in the buffer to overflow from the connection between the cover plate and the buffer, thus affecting the treatment effect of the gas.

[0004] Therefore, a tail gas treatment device for chemical laboratories is proposed. Utility Model Content

[0005] To address the aforementioned problems, the purpose of this invention is to provide a tail gas treatment device for chemical laboratories.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A chemical laboratory exhaust gas treatment device includes a base; a filter is installed on the top of the base, and a first pipe and a second pipe are respectively installed on the outer wall of the filter. A combustion device is installed at one end of the second pipe, and a third pipe is installed at the outlet of the combustion device. A first fan is installed at the outlet of the third pipe, and a buffer is installed at the outlet of the first fan. A fourth pipe is installed at the outlet of the buffer, and a sprayer is installed at the outlet of the fourth pipe. A fifth pipe is installed at the outlet of the sprayer, and a second fan is installed at the outlet of the fifth pipe. A sixth pipe is installed at the outlet of the second fan, and a purifier located on the top of the base is installed at the outlet of the sixth pipe. A [missing information - likely a device or component] is installed on top of the purifier. An air outlet pipe; a first valve body for controlling on / off is installed on the second pipe; a second valve body for controlling on / off is installed on the third pipe; a third valve body for controlling on / off is installed on the fourth pipe; a fourth valve body for controlling on / off is installed on the fifth pipe; a downward-facing slot is provided on the top of the filter, and a corresponding snap-fit ​​groove is provided at the bottom of the filter; a filter plate is inserted into the slot, and the bottom of the filter plate is snapped into the snap-fit ​​groove; a horizontal mounting plate (23) is fixedly installed on the top of the filter plate (22), and the mounting plate (23) is detachably installed on the top of the filter (2); a sealing groove is provided on the top of the filter, and a sealing ring that cooperates with the sealing groove is installed at the bottom of the mounting plate.

[0008] Preferably, a U-shaped rod is fixed to the top of the mounting plate.

[0009] Preferably, the mounting plate has connecting ears fixed at opposite ends, the connecting ears have a first threaded hole at the top, and the filter has a second threaded hole corresponding to the first threaded hole at the top. Screws are internally threaded into the first threaded hole and the second threaded hole.

[0010] Preferably, a U-shaped frame is fixed to the top of the base, the top of the U-shaped frame has an installation hole, a connecting column is installed in the installation hole, and a gas detector is installed at the bottom of the connecting column, which is directly opposite to the gas outlet pipe.

[0011] Preferably, a horizontal strip is fixed to the top of the U-shaped frame, and a movable groove is provided at the top of the strip. A movable strip that moves horizontally along the movable groove is movably disposed in the movable groove. A horizontal locking hole is provided on the connecting column, and a locking rod that slides into the locking hole is fixed on the outer wall of the movable strip.

[0012] Preferably, a horizontal telescopic rod is provided inside the movable groove. One end of the telescopic rod is fixed to the inner wall of the movable groove, and the other end of the telescopic rod is fixed to the movable strip. A spring is provided around the telescopic rod, with one end of the spring abutting against the movable strip and the other end of the spring abutting against the inner wall of the movable groove.

[0013] Preferably, a sliding groove is provided at the bottom of the movable groove, and a slider is slidably disposed in the sliding groove, with the movable strip fixed to the top of the slider.

[0014] Preferably, the telescopic rod is a two-stage or three-stage telescopic rod.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] When fixing the filter plate, the filter plate is first placed into the slot, and then external tools are used with screws to connect it into the first threaded hole and the second threaded hole to fix the filter plate. Since a sealing groove is opened on the top of the filter and a sealing ring is installed at the bottom of the mounting plate inside the sealing groove, the sealing performance at the connection between the mounting plate and the filter can be improved with the cooperation of the sealing groove and the sealing ring, so as to avoid gas leakage inside the filter and thus improve the gas treatment effect. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a cross-sectional schematic diagram of the filter in this utility model;

[0019] Figure 3 This is a side view of the present invention.

[0020] Figure 4 This is a schematic diagram of the telescopic rod and spring structure in this utility model.

[0021] In the diagram: 1. Base; 2. Filter; 3. First pipe; 4. Second pipe; 5. Combustion device; 6. Third pipe; 7. First fan; 8. Buffer; 9. Fourth pipe; 10. Sprayer; 11. Fifth pipe; 12. Second fan; 13. Sixth pipe; 14. Purifier; 15. Gas outlet pipe; 16. First valve body; 17. Second valve body; 18. Third valve body; 19. Fourth valve body; 20. Slot; 21. Snap-fit ​​slot; 22. Filter plate; 23. Mounting plate; 24. U-shaped rod; 25. Connecting lug; 26. First threaded hole; 27. Second threaded hole; 28. Screw; 31. Sealing groove; 32. Sealing ring; 33. U-shaped frame; 34. Mounting hole; 35. Connecting column; 36. Gas detector; 37. Locking hole; 38. Strip; 39. Movable groove; 40. Movable bar; 41. Locking rod; 42. Telescopic rod; 43. Spring; 44. Slide groove; 45. Slider. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0024] Example 1:

[0025] Please see Figure 1-3 This utility model provides a technical solution: To achieve the above objectives, this utility model provides the following technical solution: A chemical laboratory exhaust gas treatment device, comprising a base 1; a filter 2 is installed on the top of the base 1, and a first pipe 3 and a second pipe 4 are respectively installed on the outer wall of the filter 2. A combustion device 5 is installed at one end of the second pipe 4, and a third pipe 6 is installed at the outlet of the combustion device 5. A first fan 7 is installed at the outlet of the third pipe 6, and a buffer 8 is installed at the outlet of the first fan 7. A fourth pipe 9 is installed at the outlet of the buffer 8, and a sprayer 10 is installed at the outlet of the fourth pipe 9. A fifth pipe 11 is installed at the outlet of the sprayer 10, and a second fan 12 is installed at the outlet of the fifth pipe 11. A sixth pipe 13 is installed at the outlet of the second fan 12, and a device located at the outlet of the sixth pipe 13 is installed at the outlet of the base 1. The filter 14 is located at the top, and an air outlet pipe 15 is installed on the top of the purifier 14. A first valve body 16 for controlling the on / off state is installed on the second pipe 4. A second valve body 17 for controlling the on / off state is installed on the third pipe 6. A third valve body 18 for controlling the on / off state is installed on the fourth pipe 9. A fourth valve body 19 for controlling the on / off state is installed on the fifth pipe 11. A downward-facing slot 20 is opened at the top of the filter 2, and a corresponding snap-fit ​​groove 21 is opened at the bottom of the filter 2. A filter plate 22 is inserted into the slot 20, and the bottom of the filter plate 22 is snapped into the snap-fit ​​groove 21. A horizontal mounting plate 23 is fixedly installed on the top of the filter plate 22, and the mounting plate 23 is detachably installed on the top of the filter 2. A sealing groove 31 is opened at the top of the filter 2, and a sealing ring 32 that cooperates with the sealing groove 31 is installed at the bottom of the mounting plate 23.

[0026] A U-shaped rod 24 is fixed to the top of the mounting plate 23. Connecting ears 25 are fixed to opposite ends of the mounting plate 23. A first threaded hole 26 is opened at the top of the connecting ears 25. A second threaded hole 27 corresponding to the first threaded hole (26) is opened at the top of the filter 2. Screws 28 are internally threaded to the first threaded hole 26 and the second threaded hole 27.

[0027] Specifically, when fixing the filter plate 22, the filter plate 22 is first placed inside the slot 20, and then an external tool (screwdriver) is used to connect the screw 28 to the first threaded hole 26 and the second threaded hole 27 to fix the filter plate 22. Since a sealing groove 31 is provided on the top of the filter 2 and a sealing ring 32 located inside the sealing groove 31 is installed at the bottom of the mounting plate 23, the sealing performance at the connection between the mounting plate 23 and the filter 2 can be improved with the cooperation of the sealing groove 31 and the sealing ring 32, so as to avoid gas leakage inside the filter 2 and thus improve the gas treatment effect.

[0028] Example 2:

[0029] Please see Figure 1 , 3 4. Based on Embodiment 1, this utility model provides another technical solution: a chemical laboratory exhaust gas treatment device, wherein a U-shaped frame 33 is fixed to the top of the base 1, the top of the U-shaped frame 33 has an installation hole 34, a connecting column 35 is installed in the installation hole 34, and a gas detector 36 is installed at the bottom of the connecting column 35, which is directly opposite to the exhaust pipe 15. A horizontal strip 38 is fixed to the top of the U-shaped frame 33, the top of the strip 38 has a movable groove 39, a movable strip 40 is movably disposed in the movable groove 39 and moves horizontally along the movable groove 39, a horizontal locking hole 37 is opened on the connecting column 35, and a locking rod 41 is fixed to the outer wall of the movable strip 40 and slidably inserted into the locking hole 37. A horizontal telescopic rod 42 is installed inside the movable groove 39. One end of the telescopic rod 42 is fixed to the inner wall of the movable groove 39, and the other end is fixed to the movable strip 40. A spring 43 is sleeved on the telescopic rod 42. One end of the spring 43 abuts against the movable strip 40, and the other end abuts against the inner wall of the movable groove 39. A sliding groove 44 is formed at the bottom of the movable groove 39, and a slider 45 is slidably disposed in the sliding groove 44. The movable strip 40 is fixed to the top of the slider 45. The telescopic rod 42 is a two-stage or three-stage telescopic rod.

[0030] Specifically, by setting up a gas detector 36, the gas detector 36 can detect the treated gas, so that the staff can always understand the operation of the equipment and the treatment status of the gas, which is highly practical.

[0031] The operator can manually drive the movable bar 40 to move within the movable slot 39. At this time, the spring 43 and the telescopic rod 42 will retract. When the movable bar 40 moves, it will drive the locking rod 41 to move. After the locking rod 41 disengages from the locking hole 37, the gas detector 36 can be disassembled, which facilitates the inspection and maintenance of the gas detector 36 and helps to improve the working efficiency of the gas detector 36.

[0032] Working principle:

[0033] The exhaust gas to be treated enters the filter 2 through the first pipe 3. After being filtered by the filter plate 22, the operator opens the first valve 16 to allow the exhaust gas to enter the combustion device 5, then closes the first valve 16. After the exhaust gas is burned by the combustion device 5, the operator opens the first fan 7 and the second valve 17 to allow the exhaust gas to enter the buffer 8. After the buffer 8 has finished treating the exhaust gas, the operator opens the third valve 18, allowing the exhaust gas to enter the sprayer 10, then closes the third valve 18. After the sprayer 10 has finished treating the exhaust gas, the operator opens the third valve 18 and the second fan 12, allowing the exhaust gas to enter the purifier 14. The exhaust gas purified by the purifier 14 is discharged through the outlet pipe 15. When fixing the filter plate 22, first place the filter plate 22 into the slot 20, then use external tools to thread the screw 28 into the first threaded hole 26 and the second threaded hole 27 to fix the filter plate 22. For fixation, a sealing groove 31 is provided on the top of the filter 2, and a sealing ring 32 is installed at the bottom of the mounting plate 23 inside the sealing groove 31. Therefore, the sealing performance at the connection between the mounting plate 23 and the filter 2 can be improved by the cooperation of the sealing groove 31 and the sealing ring 32, so as to avoid gas leakage inside the filter 2 and thus improve the gas treatment effect. By setting a gas detector 36, the gas detector 36 can detect the treated gas, so that the staff can always understand the operation of the equipment and the gas treatment status. It is highly practical. The staff can manually drive the movable bar 40 to move in the movable groove 39. At this time, the spring 43 and the telescopic rod 42 will retract. When the movable bar 40 moves, it will drive the locking rod 41 to move. After the locking rod 41 is disengaged from the locking hole 37, the gas detector 36 can be disassembled, which facilitates the inspection and maintenance of the gas detector 36 and helps to improve the working efficiency of the gas detector 36.

[0034] In the description of this utility model, it should be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An off-gas treatment apparatus for chemical laboratories, characterized by comprising: Include: Base (1); The base (1) top-mounted filter (2), the filter (2) outer wall on the corresponding installation of the first pipe (3), the second pipe (4), one end of the second pipe (4) is equipped with combustion equipment (5), the outlet of the combustion equipment (5) is equipped with the third pipe (6), the outlet end of the third pipe (6) is equipped with the first fan (7), the outlet of the first fan (7) is equipped with buffer (8), the outlet of the buffer (8) is equipped with the fourth pipe (9), the outlet end of the fourth pipe (9) is equipped with the sprayer (10), the outlet of the sprayer (10) is equipped with the fifth pipe (11), the outlet end of the fifth pipe (11) is equipped with the second fan (12), the outlet of the second fan (12) is equipped with the sixth pipe (13), the outlet end of the sixth pipe (13) is equipped with the purifier (14) located in the base (1) top, the purifier (14) top-mounted gas pipe (15); The second pipe (4) is equipped with a first valve body (16) for controlling the on-off; The third pipe (6) is equipped with a second valve body (17) for controlling the on-off; The fourth pipe (9) is equipped with a third valve body (18) for controlling the on-off; The fifth pipe (11) is equipped with a fourth valve body (19) for controlling the on-off; The filter (2) top is provided with a downward slot (20), the filter (2) inner bottom is provided with a clamping groove (21) corresponding to the slot (20), the slot (20) is inserted with a filter plate (22), and the filter plate (22) bottom is clamped in the clamping groove (21); The filter plate (22) top is fixedly installed with a horizontal mounting plate (23), and the mounting plate (23) is detachably installed on the filter (2) top; The filter (2) top is provided with a sealing groove (31), and the mounting plate (23) bottom is provided with a sealing ring (32) matched with the sealing groove (31).

2. The exhaust gas treatment apparatus for chemical laboratories according to claim 1, characterized in that, The mounting plate (23) top is fixed with a U-shaped rod (24).

3. The exhaust gas treatment apparatus for chemical laboratories according to claim 1, characterized in that, The mounting plate (23) opposite ends are fixedly provided with connecting ears (25), the connecting ears (25) top is provided with a first threaded hole (26), the filter (2) top is provided with a second threaded hole (27) corresponding to the first threaded hole (26), and the first threaded hole (26) and the second threaded hole (27) are screwed with a screw (28).

4. The exhaust gas treatment apparatus for chemical laboratories according to claim 1, characterized by The base (1) top is fixedly provided with a U-shaped frame (33), the U-shaped frame (33) top is provided with a mounting hole (34), the mounting hole (34) is mounted with a connecting column (35), and the connecting column (35) bottom is mounted with a gas detector (36) opposite to the gas pipe (15).

5. The exhaust gas treatment device for chemical laboratories as claimed in claim 4, wherein, The U-shaped frame (33) is fixed with a horizontal long strip (38) at the top, the long strip (38) is provided with a movable slot (39) at the top, the movable slot (39) is movably provided with a movable strip (40) moving horizontally along the movable slot (39), the connecting column (35) is provided with a horizontal clamping hole (37), and the movable strip (40) is fixed with a clamping rod (41) slidingly inserted into the clamping hole (37).

6. The exhaust gas treatment device for chemical laboratories as claimed in claim 5, wherein, A horizontal telescopic rod (42) is arranged in the movable slot (39), one end of the telescopic rod (42) is fixed on the inner wall of the movable slot (39), the other end of the telescopic rod (42) is fixed with the movable strip (40), the telescopic rod (42) is provided with a spring (43), one end of the spring (43) abuts against the movable strip (40), and the other end of the spring (43) abuts against the inner wall of the movable slot (39).

7. The exhaust gas treatment device for chemical laboratories as claimed in claim 6, wherein, A sliding groove (44) is formed in the bottom of the movable slot (39), a sliding block (45) is slidably arranged in the sliding groove (44), and the movable strip (40) is fixed on the top of the sliding block (45).

8. The exhaust gas treatment device for chemical laboratories as claimed in claim 6, wherein, The telescopic rod (42) is a two-stage or three-stage telescopic rod.

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