Ventilation device for chemical safety production

Abstract

The utility model discloses a ventilation device for chemical safety production, and relates to the technical field of chemical workshop ventilation, the ventilation device comprises a base, a base is arranged above the base, two first screw rods and a limiting rod are arranged at the top of the base, connecting cylinders are arranged at the bottom of the base and above the two first screw rods and the limiting rod, and the connecting cylinders are connected with the base. The air purifier has the advantages that flanges arranged on the outer sides of the fixing pipes, the plugging blocks and the connecting pipes are matched with existing fixing bolts, connection and detachment of the air purifier are achieved, the connecting pipes are further connected, through grooves are formed in the connecting pipes, the range of a purification space is enlarged, and the purification effect is improved. The base is driven by the arranged first servo motor to move longitudinally, the absorption height is adjusted, the angle of the box body is adjusted by rotating the rotating handle, the multiple fixing pipes are further driven to rotate, and the absorption angle is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical workshop ventilation, and particularly relates to a ventilation device for chemical safety production. Background Technique

[0002] Chemical industry is the abbreviation of "chemical technology", "chemical industry", "chemical engineering", etc. Any technology that uses chemical methods to change the composition, structure or synthesize new substances belongs to chemical production technology, that is, chemical technology, and the obtained products are called chemical products or chemical industrial products. The ventilation of a chemical workshop is to use natural or mechanical methods to make the air unobstructed and reach the room. Ventilation is also called air change, which is to send enough fresh air into the indoor space by mechanical or natural methods, and at the same time discharge the dirty air that does not meet the hygienic requirements indoors.

[0003] The existing ventilation of chemical workshops cannot effectively adjust its height or angle, resulting in only a specific small area can be extracted when extracting air through negative pressure equipment, and the air extraction and filtration at different positions cannot be satisfied, reducing its ventilation efficiency. For this reason, we propose a ventilation device for chemical safety production. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a ventilation device for chemical safety production, which solves the problems put forward in the above background technique.

[0005] To achieve the above purposes, the utility model is realized through the following technical solutions: A ventilation device for chemical safety production, including a base, a pedestal is arranged above the base, two first lead screws and a limiting rod are arranged on the top of the base, connection cylinders are arranged above the two first lead screws and the limiting rod at the bottom of the pedestal, and a plurality of the connection cylinders are fixedly connected with the pedestal. Both of the first lead screws are inserted into the inside of the limiting rod and are threadedly connected thereto. Both of the first lead screws are inserted into the inside of the base and are rotatably connected thereto. A cover plate is arranged on the top of the pedestal, the cover plate is inserted into the inside of the pedestal and is slidably connected thereto. An activated carbon plate is arranged on the top of the base, the activated carbon plate is inserted into the inside of the base and is slidably connected thereto. Two blowers are inlaid on one side of the inner wall of the base. A box body is rotatably connected inside the pedestal, and a filtering structure is arranged on the box body.

[0006] Preferably, the filtering structure comprises two filter plates, both of which are fixedly connected to the box body, the top of the box body is rotatably connected to a box door via a rotating shaft, one side of the box body and the box door is provided with mutually matching buckles, an accordion hose is fixedly installed between the base and the first servo motor, the base and the box body are provided with through grooves matching the accordion hose, a plurality of fixed tubes are fixedly installed on the side of the box body away from the base, the plurality of fixed tubes are inserted into the interior of the box body and communicated with the box body, a blocking block and a connecting tube are respectively provided on one side of the plurality of fixed tubes, the blocking block is inserted into the interior of the fixed tube and slidably connected with the fixed tube, rotating rods are fixedly installed on the corresponding sides of the box body, and the two rotating rods are inserted into the The air filter is inserted into the interior of the base and is rotatably connected thereto, the interior of the base is rotatably connected with a worm wheel and a worm, the worm wheel and the worm are meshed, the worm wheel is fixedly connected to one of the rotating rods, a hand is fixedly installed on the top of the worm, the hand passes through the top of the box and is rotatably connected thereto, the gas is transported to the interior of the box through a fixed pipe by a set fan, and the gas is purified by two set filter plates, and the apertures of the two filter plates are further reduced from left to right in sequence, thereby improving the purification effect of the device on impurities in the air, and the staff manually rotates the hand to rotate the worm on one side of the worm wheel, thereby adjusting the angle of the box, further driving a number of fixed pipes to rotate, and adjusting the absorption angle.

[0007] Preferably, a sealing gasket is fixedly installed on the bottom of the cover plate, a fixing frame is fixedly installed on the top of the base, a pressure plate is slidably connected to the inside of the fixing frame, a plurality of fixing rods are fixedly installed on the bottom of the pressure plate, a plurality of the fixing rods pass through the bottom of the fixing frame and are slidably connected thereto, a plurality of the fixing rods are inserted into the inside of the cover plate and are slidably connected thereto, a threaded rod is provided on the top of the fixing frame, the threaded rod is inserted into the inside of the fixing frame and is rotatably connected thereto, the threaded rod passes through the pressure plate and is threadedly connected thereto, the pressure plate is moved longitudinally by rotating the threaded rod, and a plurality of fixing rods are inserted into the inside of the cover plate to fix the position of the cover plate.

[0008] Preferably, a first pulley is fixedly installed at the bottom of the two first screw rods, and the two first pulleys are rotatably connected to the base. The outer sides of the two first pulleys are transmission-connected with a first synchronous belt. A first servo motor is fixedly installed inside the base, and the output end of the first servo motor is fixedly connected to one of the first pulleys. A plurality of guide plates and ultraviolet disinfection lamps are fixedly installed inside the base, and a plurality of ultraviolet disinfection lamps pass through a plurality of guide plates and are fixedly connected thereto. The two first screw rods are driven by the set first servo motor and cooperate with the set first pulley and the first synchronous belt, so that the base at the top of the connecting cylinder moves longitudinally to adjust the absorption height.

[0009] Preferably, two second pulleys are rotatably connected inside the base. A second synchronous belt is drivingly connected to the outside of the two second pulleys. Second lead screws are fixedly installed at the bottoms of the two second pulleys. Sliding plates are arranged inside the base and on the outside of the two second lead screws. The second lead screws respectively penetrate through the two sliding plates and are threadedly connected thereto. The two sliding plates are slidably connected to the base. Two moving wheels are fixedly installed at the bottoms of the two sliding plates. Limit plates are fixedly installed at the bottoms of the two second lead screws. A second servo motor is fixedly installed inside the base. The output end of the second servo motor is fixedly connected to one of the second pulleys. The arrangement of a number of moving wheels facilitates the movement of the device in a chemical workshop.

[0010] Preferably, a controller is embedded on one side of the base. The controller is electrically connected to the first servo motor, the blower and the second servo motor. The two limiting rods are both fixedly connected to the base. The two limiting rods are respectively inserted into the inside of the connecting cylinder and are slidably connected thereto. The controller provided is used to control the equipment on the device.

[0011] The utility model provides a ventilation device for chemical industrial safety production, which has the following beneficial effects:

[0012] For the ventilation device for chemical industrial safety production, the connection and disassembly thereof are realized by the cooperation of the flanges arranged on the outside of the fixed pipe, the plugging block and the connecting pipe and the existing fixing bolts. Further, through the connection of the connecting pipe and the through grooves formed in the connecting pipe, the range of the purification space is increased. The longitudinal movement of the base is driven by the first servo motor provided to adjust the absorption height, and the angle of the box body is adjusted by rotating the handle, further driving a number of fixed pipes to rotate to adjust the absorption angle. Description of the Drawings

[0013] Figure 1 It is a schematic structural diagram of the utility model;

[0014] Figure 2 It is a front sectional view of the utility model;

[0015] Figure 3 It is a side sectional view of the utility model;

[0016] Figure 4 It is an exploded view of the filtering structure of the utility model;

[0017] Figure 5 It is a schematic diagram of a partial structure of the utility model.

[0018] In the figure: 1, base; 2, pedestal; 3, connecting cylinder; 4, first lead screw; 5, limiting rod; 6, first pulley; 7, first synchronous belt; 8, first servo motor; 9, box body; 10, cover plate; 11, fan; 12, activated carbon plate; 13, guide plate; 14, ultraviolet disinfection lamp; 15, filter plate; 16, fixed pipe; 17, bellows hose; 18, plugging block; 19, connecting pipe; 20, rotating rod; 21, worm gear; 22, worm; 23, turning handle; 24, box door; 25, fixed frame; 26, pressing plate; 27, fixed rod; 28, threaded rod; 29, controller; 30, sliding plate; 31, moving wheel; 32, second pulley; 33, second synchronous belt; 34, limiting plate; 35, second servo motor. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0020] Please refer to Figures 1 to 5 , the present invention provides a technical solution: a ventilation device for chemical industrial safety production, including a base 1, a pedestal 2 is arranged above the base 1, two first lead screws 4 and a limiting rod 5 are arranged on the top of the base 1, and connecting cylinders 3 are arranged above the two first lead screws 4 and the limiting rod 5 at the bottom of the pedestal 2. A plurality of connecting cylinders 3 are fixedly connected to the pedestal 2. Both first lead screws 4 are inserted into the limiting rod 5 and are threadedly connected thereto. Both first lead screws 4 are inserted into the base 1 and are rotatably connected thereto. A cover plate 10 is arranged on the top of the pedestal 2. The cover plate 10 is inserted into the pedestal 2 and is slidably connected thereto. An activated carbon plate 12 is arranged on the top of the base 1. The activated carbon plate 12 is inserted into the base 1 and is slidably connected thereto. Two fans 11 are embedded on one side of the inner wall of the base 1. A box body 9 is rotatably connected inside the pedestal 2, and a filtering structure is arranged on the box body 9.

[0021] The filtering structure includes two filter plates 15, both of the two filter plates 15 are fixedly connected to the box body 9. The top of the box body 9 is rotatably connected to a box door 24 through a rotating shaft. A buckle that cooperates with each other is arranged on one side of the box body 9 and the box door 24. An accordion hose 17 is fixedly installed between the base 2 and the first servo motor 8. Through grooves that cooperate with the accordion hose 17 are provided on both the base 2 and the box body 9. A plurality of fixed pipes 16 are fixedly installed on one side of the box body 9 away from the base 2. A plurality of fixed pipes 16 are all inserted into the interior of the box body 9 and communicate with it. A blocking block 18 and a connecting pipe 19 are respectively arranged on one side of the plurality of fixed pipes 16. The blocking block 18 is inserted into the interior of the fixed pipe 16 and is slidably connected to it. Rotating rods 20 are fixedly installed on the corresponding two sides of the box body 9. Both of the two rotating rods 20 are inserted into the interior of the base 2 and are rotatably connected to it. A worm gear 21 and a worm 22 are rotatably connected to the interior of the base 2. The worm gear 21 and the worm 22 are meshed. The worm gear 21 is fixedly connected to one of the rotating rods 20. A turning handle 23 is fixedly installed on the top of the worm 22. The turning handle 23 passes through the top of the box body 9 and is rotatably connected to it. The blower 11 is provided to make the gas be transported into the interior of the box body 9 through the fixed pipes 16, and the two filter plates 15 are provided to purify the gas. Further, the apertures of the two filter plates 15 gradually decrease from left to right, so as to improve the purification effect of the device on impurities in the air. By manually rotating the turning handle 23 by the staff, the worm 22 on one side of the worm gear 21 rotates, so as to adjust the angle of the box body 9, further drive a plurality of fixed pipes 16 to rotate, adjust the absorption angle, and through the blocking block 18 and the connecting pipe 19 arranged on one side of the fixed pipe 16, it is convenient to adjust it according to the range of the space to be purified. Further, flanges arranged on the outer sides of the fixed pipe 16, the blocking block 18 and the connecting pipe 19 are matched with existing fixing bolts.

[0022] A sealing gasket is fixedly installed at the bottom of the cover plate 10. A fixing frame 25 is fixedly installed on the top of the base 1. A pressing plate 26 is slidably connected to the interior of the fixing frame 25. A plurality of fixing rods 27 are fixedly installed at the bottom of the pressing plate 26. All of the plurality of fixing rods 27 pass through the bottom of the fixing frame 25 and are slidably connected to it. All of the plurality of fixing rods 27 are inserted into the interior of the cover plate 10 and are slidably connected to it. A threaded rod 28 is arranged on the top of the fixing frame 25. The threaded rod 28 is inserted into the interior of the fixing frame 25 and is rotatably connected to it. The threaded rod 28 penetrates through the pressing plate 26 and is threadedly connected to it. By rotating the threaded rod 28, the pressing plate 26 moves longitudinally, so that a plurality of fixing rods 27 are inserted into the interior of the cover plate 10 to fix the position of the cover plate 10, and further it is convenient to replace the activated carbon plate 12.

[0023] At the bottom of both of the two first lead screws 4, a first pulley 6 is fixedly installed. Both of the two first pulleys 6 are rotatably connected to the base 1. A first synchronous belt 7 is drivingly connected to the outer sides of the two first pulleys 6. A first servo motor 8 is fixedly installed inside the base 1. The output end of the first servo motor 8 is fixedly connected to one of the first pulleys 6. A plurality of guide plates 13 and ultraviolet disinfection lamps 14 are fixedly installed inside the base 1. A plurality of ultraviolet disinfection lamps 14 all penetrate through the plurality of guide plates 13 and are fixedly connected thereto. Through the drive of the provided first servo motor 8 and the cooperation of the provided first pulley 6 and first synchronous belt 7, the two first lead screws 4 rotate synchronously, so that the base 2 at the top of the connecting cylinder 3 moves longitudinally to adjust the absorption height. Through the provided bellows hose 17, the filtered gas inside the box body 9 is transmitted to contact with the activated carbon plate 12 for further purification, and the purification effect on the waste gas is improved by the provided ultraviolet disinfection lamp 14. At the same time, the time for the gas to be purified by the ultraviolet disinfection lamp 14 is prolonged through the provided guide plates 13 to improve the purification quality.

[0024] Two second pulleys 32 are rotatably connected inside the base 1. A second synchronous belt 33 is drivingly connected to the outer sides of the two second pulleys 32. At the bottom of both of the two second pulleys 32, a second lead screw is fixedly installed. Inside the base 1 and on the outer sides of the two second lead screws, slide plates 30 are provided. The second lead screws respectively penetrate through the two slide plates 30 and are threadedly connected thereto. Both of the two slide plates 30 are slidably connected to the base 1. At the bottom of both of the two slide plates 30, two moving wheels 31 are fixedly installed. At the bottom of both of the two second lead screws, a limiting plate 34 is fixedly installed. A second servo motor 35 is fixedly installed inside the base 1. The output end of the second servo motor 35 is fixedly connected to one of the second pulleys 32. Through the provided plurality of moving wheels 31, it is convenient to move the device inside the chemical workshop. Further, by moving the device to a suitable position, through the drive of the provided second servo motor 35 and the cooperation of the second pulley 32 and second synchronous belt 33, the slide plates 30 on the outer sides of the two second lead screws move synchronously longitudinally, and drive a plurality of moving wheels 31 to move inside the base 1, so that the bottom of the base 1 contacts the ground, thereby making the device more stable during use.

[0025] A controller 29 is inlaid on one side of the base 2. The controller 29 is electrically connected to the first servo motor 8, the fan 11, and the second servo motor 35. Both of the two limiting rods 5 are fixedly connected to the base 1. Both of the two limiting rods 5 are inserted into the inside of the connecting cylinder 3 and are slidably connected thereto. Through the provided controller 29, the equipment on the device is controlled, and through the provided limiting rods 5 inserted into the inside of the connecting cylinder 3, the height of the longitudinal movement of the base 2 is restricted.

[0026] In summary, for the ventilation device used in chemical industry safety production, when in use, the several moving wheels 31 facilitate the movement of the device within the chemical workshop. Further, by moving the device to a suitable position, driven by the second servo motor 35 and through the cooperation of the second pulley 32 and the second synchronous belt 33, the slides 30 on the outer sides of the two second lead screws move longitudinally synchronously, driving the several moving wheels 31 to move into the interior of the base 1, making the bottom of the base 1 contact the ground, thereby making the device more stable during use.

[0027] Through the plugging block 18 and the connecting pipe 19 provided on one side of the fixed pipe 16, it is convenient to adjust it according to the range of the space to be purified as needed. Further, through the flanges provided on the outer sides of the fixed pipe 16, the plugging block 18 and the connecting pipe 19 and the cooperation with the existing fixing bolts, the connection and disassembly of them are realized. Further, through the through slots opened on the connecting pipe 19 and connecting it with the fixed pipe 16, the waste gas in the chemical workshop is absorbed.

[0028] Driven by the first servo motor 8 and through the cooperation of the first pulley 6 and the first synchronous belt 7, the two first lead screws 4 rotate synchronously, so that the base 2 at the top of the connecting cylinder 3 moves longitudinally to adjust the absorption height. Further, by the staff manually rotating the handle 23 to make the worm 22 on one side of the worm gear 21 rotate, the angle of the box body 9 is adjusted, further driving the several fixed pipes 16 to rotate to adjust the absorption angle. Further, through the exhaust pipe communicated on one side of the two blowers 11 on the base 2, the purified gas is discharged.

[0029] The blower 11 makes the gas be transported into the interior of the box body 9 through the fixed pipe 16, and the two filter plates 15 are used to purify the gas. Further, the pore diameters of the two filter plates 15 decrease sequentially from left to right, thereby improving the purification effect of the device on the impurities in the air. At the same time, the bellows hose 17 is used to transmit the filtered gas inside the box body 9, making it contact the activated carbon plate 12 for further purification, and the ultraviolet disinfection lamp 14 is used to improve the purification effect on the waste gas. At the same time, the guide plate 13 is used to extend the time for the gas to be purified by the ultraviolet disinfection lamp 14 and improve the purification quality. At the same time, heat dissipation holes are opened on the device to cooperate with the first servo motor 8, as much as possible to prevent the first servo motor 8 from being damaged due to inability to dissipate heat during operation.

[0030] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A ventilation device for chemical production safety, comprising a base (1), characterized in that: A base (2) is arranged above the base (1), two first screw rods (4) and a limit rod (5) are arranged on the top of the base (1), connecting tubes (3) are arranged at the bottom of the base (2) and above the two first screw rods (4) and the limit rod (5), a plurality of connecting tubes (3) are fixedly connected to the base (2), two first screw rods (4) are inserted into the inside of the limit rod (5) and are threadedly connected thereto, two first screw rods (4) are inserted into the inside of the base (1) and are rotatably connected thereto, a cover plate (10) is arranged on the top of the base (2), the cover plate (10) is inserted into the inside of the base (2) and is slidably connected thereto, an activated carbon plate (12) is arranged on the top of the base (1), the activated carbon plate (12) is inserted into the inside of the base (1) and is slidably connected thereto, two fans (11) are inlaid on one side of the inner wall of the base (1), a box body (9) is rotatably connected to the inside of the base (2), and a filtering structure is arranged on the box body (9).

2. A ventilation device for chemical production safety according to claim 1, characterized in that: The filtering structure comprises two filter plates (15), the two filter plates (15) are fixedly connected to the box body (9), the top of the box body (9) is rotatably connected to a box door (24) via a rotating shaft, one side of the box body (9) and the box door (24) are provided with mutually matching buckles, an accordion hose (17) is fixedly installed between the base (2) and the first servo motor (8), the base (2) and the box body (9) are both provided with a through groove matching the accordion hose (17), a plurality of fixed tubes (16) are fixedly installed on a side of the box body (9) away from the base (2), the plurality of fixed tubes (16) are inserted into the interior of the box body (9) and are connected thereto, and the plurality of fixed tubes (16) are connected to the box body (9) and are connected to the box body (9). A blocking block (18) and a connecting pipe (19) are respectively provided on one side of the fixing pipe (16), the blocking block (18) is inserted into the interior of the fixing pipe (16) and is slidably connected thereto, rotating rods (20) are fixedly installed on the corresponding two sides of the box body (9), the two rotating rods (20) are inserted into the interior of the base (2) and are rotatably connected thereto, a worm wheel (21) and a worm (22) are rotatably connected inside the base (2), the worm wheel (21) and the worm (22) are meshed, the worm wheel (21) is fixedly connected to one of the rotating rods (20), a rotating hand (23) is fixedly installed on the top of the worm (22), the rotating hand (23) passes through the top of the box body (9) and is rotatably connected thereto.

3. A ventilation device for chemical production safety according to claim 1, characterized in that: A sealing gasket is fixedly installed at the bottom of the cover plate (10), a fixing frame (25) is fixedly installed at the top of the base (1), a pressing plate (26) is slidably connected to the interior of the fixing frame (25), a plurality of fixing rods (27) are fixedly installed at the bottom of the pressing plate (26), the plurality of fixing rods (27) pass through the bottom of the fixing frame (25) and are slidably connected thereto, the plurality of fixing rods (27) are inserted into the interior of the cover plate (10) and are slidably connected thereto, a threaded rod (28) is arranged at the top of the fixing frame (25), the threaded rod (28) is inserted into the interior of the fixing frame (25) and is rotatably connected thereto, and the threaded rod (28) passes through the pressing plate (26) and is threadedly connected thereto.

4. A ventilation device for chemical production safety according to claim 1, characterized in that: A first pulley (6) is fixedly mounted at the bottom of each of the two first screw rods (4), and each of the two first pulleys (6) is rotatably connected to the base (1). The outer sides of the two first pulleys (6) are transmission-connected to a first synchronous belt (7). A first servo motor (8) is fixedly mounted inside the base (1), and an output end of the first servo motor (8) is fixedly connected to one of the first pulleys (6). A plurality of guide plates (13) and ultraviolet disinfection lamps (14) are fixedly mounted inside the base (1), and each of the plurality of ultraviolet disinfection lamps (14) passes through the plurality of guide plates (13) and is fixedly connected thereto.

5. A ventilation device for safe production of chemical industry according to claim 1, characterized in that: The base (1) is internally rotatably connected to two second pulleys (32), the outer sides of the two second pulleys (32) are transmission-connected to a second synchronous belt (33), the bottoms of the two second pulleys (32) are fixedly mounted with a second screw rod, the base (1) is internally provided with a slide plate (30) and the outer sides of the two second screw rods, the second screw rods respectively penetrate the two slide plates (30) and are threadedly connected thereto, the two slide plates (30) are slidably connected to the base (1), the bottoms of the two slide plates (30) are fixedly mounted with two moving wheels (31), the bottoms of the two second screw rods are fixedly mounted with a limit plate (34), the base (1) is internally fixedly mounted with a second servo motor (35), the output end of the second servo motor (35) is fixedly connected to one of the second pulleys (32).

6. A ventilation device for safe production of chemical industry according to claim 1, characterized in that: A controller (29) is embedded on one side of the base (2), and the controller (29) is electrically connected to the first servo motor (8), the fan (11), and the second servo motor (35). The two limit rods (5) are fixedly connected to the base (1), and the two limit rods (5) are inserted into the interior of the connecting tube (3) and are slidably connected thereto.

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