Laboratory toxic and harmful gas purification treatment device

Abstract

The utility model discloses a toxic and harmful gas purification treatment device for a laboratory, which belongs to the technical field of gas purification and comprises a moving mechanism, a fixed gas conveying pipe, a gas outlet mechanism and a gas outlet mechanism. The air inlet filtering and purifying assembly comprises a fixing box fixed to the fixed air conveying pipe through screws, a sealing cover plate connected with the fixing box in a combined mode, a fixing frame fixed to the sealing cover plate through screws, and a second activated carbon bag placed in the fixing frame. The circulating purification mechanism comprises a purification box fixed to the movable base through screws; when the laboratory poisonous and harmful gas purification treatment device is used, gas exhausted after activated carbon adsorption can be circularly purified, the operating circulating fan sucks laboratory gas, and the laboratory gas flows through the first gas conveying pipeline and then flows through the second gas conveying pipeline to enter the purification box, so that the circulation process is completed; and the laboratory gas can be circularly purified.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas purification technical field, more particularly to a laboratory toxic and harmful gas purification treatment device. BACKGROUND

[0002] When the laboratory carries out the experiment, the toxic and harmful gas can be produced, needs to carry out the gas purification, the purification treatment method of laboratory toxic and harmful gas is various, such as natural ventilation method (utilizes the principle of air flow, the toxic and harmful gas in laboratory is discharged outdoor), physical adsorption method (utilizes activated carbon, silica gel, activated alumina etc. adsorbent to the toxic and harmful gas and carries out adsorption), UV photolysis waste gas treatment method (utilizes UV ultraviolet light to irradiate the toxic and harmful gas, makes it produce photochemical reaction, thereby decomposes sulfide and nitrogen oxide etc. toxic and harmful gas pollutant, converts into carbon dioxide, water and other harmless substance);

[0003] One of the methods that the laboratory purifies the toxic and harmful gas more commonly uses is physical adsorption method, utilizes activated carbon and carries out adsorption, but in this method, the activated carbon adsorption material needs to be frequently replaced, in addition, the toxic and harmful substance that can appear in the discharged gas that is not adsorbed and purified can not be recycled and purified to the gas that is discharged, further purifies the harmful substance contained in laboratory gas, and there is a deficiency;

[0004] When the existing laboratory toxic and harmful gas purification treatment, there is no gas purification treatment structure that the activated carbon adsorbed gas is recycled and purified, for this application proposes a laboratory toxic and harmful gas purification treatment device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a laboratory toxic and harmful gas purification treatment device to solve the problem that the discharged gas after activated carbon adsorption can not be recycled and purified when laboratory toxic and harmful gas purification treatment is carried out in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a laboratory toxic and harmful gas purification treatment device, comprising

[0007] The moving mechanism comprises a moving base, a fixed gas inlet pipe fixed to the moving base by screws, and a second activated carbon bag placed in the fixed frame.

[0008] The gas inlet filter purification assembly comprises a fixed box fixed to the fixed gas inlet pipe by screws, a sealing cover plate combined with the fixed box, a fixed frame fixed to the sealing cover plate by screws, a second activated carbon bag placed in the fixed frame, and a gas inlet cover threadedly connected to the side surface of the fixed box.

[0009] The circulating purification mechanism comprises a purification box fixed with a mobile base through screws, a circulating fan fixed with the purification box through bolts, a first gas conveying pipeline in communication with the side surface of the purification box and the gas inlet end of the circulating fan respectively, and a second gas conveying pipeline in communication with the side surface of the purification box and the gas outlet end of the circulating fan respectively, a communication pipeline in communication with the fixed gas conveying pipeline is fixedly connected to the side surface of the purification box, a baffle is connected to the inner surface of the bottom end of the purification box through screws, a UV light oxygen ultraviolet lamp is connected to the inner surface of the top end of the purification box through screws, and an operation controller is arranged on the surface of the purification box, and a button operation panel is embedded on the surface of the operation controller.

[0010] The air outlet filtering and purifying assembly comprises an air outlet pipeline in communication with the inside of the purification box, an air outlet cylinder cover threadedly and rotatably connected to one end of the air outlet pipeline, and a first activated carbon bag arranged in the air outlet cylinder cover.

[0011] Preferably, the fixed frame is a square box structure, a handle is arranged on the sealing cover plate, and a hand-tightening locking screw is threadedly and rotatably connected to the fixed box through the handle.

[0012] Preferably, the top end of the fixed gas conveying pipeline is a straight-angle elbow, the air inlet cover is a funnel-shaped structure with a narrow end and a wide end, and the narrow end of the air inlet cover is connected to the side surface of the fixed box.

[0013] Preferably, the baffle comprises a bottom vertical part and a top curved part, and a gas-permeable hole is formed in the top surface of the top curved part.

[0014] Preferably, a circular plate is welded to the end of the air outlet pipeline away from the purification box, a circular groove is formed in the side surface of the circular plate, and the end of the air outlet cylinder cover is threadedly and rotatably connected to the circular plate.

[0015] Preferably, the air outlet cylinder cover is a hollow structure, and the end of the air outlet cylinder cover is sealed, and the center of the sealed end of the air outlet cylinder cover is in a mesh shape.

[0016] Preferably, the gas circulation conveying path of the circulating fan is the purification box, the first gas conveying pipeline, the circulating fan, the second gas conveying pipeline, and the purification box, and the gas discharge path of the purification box is the a-direction air inlet, the air inlet cover, the fixed box, the fixed gas conveying pipeline, the communication pipeline, the purification box, the air outlet pipeline, the air outlet cylinder cover, and the b-direction air outlet.

[0017] Compared with the prior art, the air purification device has the following beneficial effects:

[0018] The utility model discloses a laboratory toxic and harmful gas purification treatment device, which can circulate and purify the discharged gas after activated carbon adsorption, and the circulating fan can suck the laboratory gas. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of the utility model;

[0020] Figure 2 It is the side view structure schematic diagram of the fixed frame of the utility model;

[0021] Figure 3 It is the section view structure schematic diagram of the purification box of the utility model;

[0022] Figure 4 It is the side view structure schematic diagram of the blocking plate of the utility model; Figure 3

[0023] Figure 5 It is the side view structure schematic diagram of the air outlet cylinder cover of the utility model;

[0024] In the drawing: 1, mobile base; 2, fixed gas pipe; 4, air inlet cover; 5, purification box; 6, first gas pipeline; 7, circulating fan; 8, second gas pipeline; 9, air outlet cylinder cover; 31, fixed box; 32, sealing cover plate; 33, fixed frame; 51, operation controller; 52, communication pipeline; 53, air outlet pipeline; 54, blocking plate; 55, UV light oxygen ultraviolet lamp; 91, first activated carbon bag; 321, hand screw locking screw; 331, second activated carbon bag; 511, button operation panel; 541, air hole. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the utility model.

[0026] Please refer to Figures 1 to 5 ​The utility model provides a technical scheme: a laboratory toxic and harmful gas purification treatment device, including mobile mechanism, including mobile base 1, the bottom end is fixed with mobile base 1 through screw fixed gas pipe 2, the surface position of mobile base 1 bottom is connected with movable wheel through screw, the position of mobile base 1 is convenient to move, fixed gas pipe 2 plays the role of conveying laboratory gas, gas inlet filter purification subassembly, including with fixed gas pipe 2 through screw fixed fixed box 31, with fixed box 31 combination connection's sealing cover plate 32, with sealing cover plate 32 through screw fixed fixed frame 33, swing in fixed frame 33 inside's second activated carbon bag 331, with fixed box 31 side through screw thread combination connection's gas inlet cover 4, when sealing cover plate 32 with fixed box 31 is in adhesion, fixed box 31 is in airtight condition, will not leak, laboratory gas enters fixed box 31 from gas inlet cover 4, second activated carbon bag 331 adsorbs toxic and harmful gas in laboratory gas, carries out primary purification, after laboratory gas after primary purification flows through fixed gas pipe 2, communication pipeline 52 and enters the inside of purification tank 5, sealing cover plate 32 and fixed box 31 are split type structure, can lift sealing cover plate 32, make fixed frame 33 and second activated carbon bag 331 expose, be convenient for replacement second activated carbon bag 331, circulation purification mechanism, including with mobile base 1 through screw fixed purification tank 5, with purification tank 5 through bolt fixed circulation fan 7, two ends are respectively with purification tank 5 side and circulation fan 7 gas inlet end communication's first gas pipeline 6, two ends are respectively with purification tank 5 side and circulation fan 7 gas outlet end communication's second gas pipeline 8, the side of this purification tank 5 is fixedly connected with communication pipeline 52 that communicates with fixed gas pipe 2, laboratory gas enters purification tank 5 after primary purification, circulation fan 7 under the operation condition, will suck laboratory gas, laboratory gas flows through first gas pipeline 6, then after flowing through second gas pipeline 8 enters the inside of purification tank 5, completes circulation process, can carry out circulation purification to laboratory gas, the inner surface of purification tank 5 bottom end is connected with baffle 54 through screw, baffle 54 plays the role of blocking laboratory gas, increases the retention time of laboratory gas in purification tank 5 inside, the inner surface of purification tank 5 top end is connected with UV light oxygen ultraviolet lamp tube 55 through screw, UV light oxygen ultraviolet lamp tube 55 emits ultraviolet light under the operation condition, makes UV ultraviolet light irradiation toxic and harmful gas, makes it produce photochemical reaction, thereby decomposes sulfide and nitrogen oxide and other toxic and harmful gas pollutants, converts into carbon dioxide, water and other harmless substances, the surface of this purification tank 5 is equipped with operation controller 51, the surface of operation controller 51 is embedded with button operation panel 511, operation controller 51 and button operation panel 511 are connected through electric connection technology, operation controller 51 and UV light oxygen ultraviolet lamp tube 55, circulation fan 7 are connected through conventional electric connection technology, control UV light oxygen ultraviolet lamp tube 55, circulation fan 7 opening and closing through button operation panel 511, this application does not make detailed elaboration.The air outlet filtering and purifying assembly comprises an air outlet pipeline 53 in communication with the inside of the purifying box 5, an air outlet cylinder cover 9 threadedly connected with one end of the air outlet pipeline 53, and a first activated carbon bag 91 arranged in the air outlet cylinder cover 9. The gas purified by the UV photolysis in the purifying box 5 is discharged from the air outlet pipeline 53 and the air outlet cylinder cover 9, and the first activated carbon bag 91 adsorbs the pollutants in the gas again.

[0027] In the embodiment, the fixed frame 33 is a square box structure, the sealing cover plate 32 is provided with a handle, and the sealing cover plate 32 is provided with a hand-tightening locking screw 321 threadedly connected with the fixed box 31. Under the action of the hand-tightening locking screw 321, the sealing cover plate 32 is firmly installed with the fixed box 31.

[0028] In the embodiment, the top end of the fixed gas conveying pipe 2 is a straight-angle elbow pipe, and the gas inlet cover 4 is a funnel-shaped structure with a narrow end and a wide end. The gas inlet cover 4 has a large gas inlet range, which is beneficial to the gas entering the inside of the fixed gas conveying pipe 2 from the gas inlet cover 4. The narrow end of the gas inlet cover 4 is connected with the side surface of the fixed box 31.

[0029] In the embodiment, the blocking plate 54 comprises a bottom vertical part and a top curved part. The top surface of the top curved part is provided with a gas permeable hole 541. The gas permeable hole 541 can pass through the top end of the blocking plate 54, and does not affect the circulation of the gas.

[0030] In the embodiment, the end of the air outlet pipeline 53 away from the purifying box 5 is welded with a circular plate. The side surface of the circular plate is provided with a circular groove. One end of the air outlet cylinder cover 9 is threadedly connected with the circular plate. The air outlet cylinder cover 9 and the air outlet pipeline 53 are in a split structure. The air outlet cylinder cover 9 can be detached, which is beneficial to the replacement of the first activated carbon bag 91. The air outlet cylinder cover 9 is a hollow structure, and one end of the air outlet cylinder cover 9 is sealed. The center position of the sealed end of the air outlet cylinder cover 9 is in a mesh shape, which does not affect the discharge of the purified gas from the air outlet cylinder cover 9.

[0031] In this embodiment, the circulating fan 7 gas circulation conveying path is the purification tank 5, the first gas pipeline 6, the circulating fan 7, the second gas pipeline 8, and the purification tank 5. When the circulating fan 7 is in operation, it can suck the laboratory gas. The laboratory gas flows through the first gas pipeline 6, and then flows through the second gas pipeline 8 and enters the inside of the purification tank 5, completes the circulation process, and can circulate and purify the laboratory gas. The gas discharge path of the purification tank 5 is the a-direction air inlet, the air inlet cover 4, the fixed box 31, the fixed gas pipeline 2, the communication pipeline 52, the purification tank 5, the air outlet pipeline 53, the air outlet cover 9, and the b-direction air outlet. The laboratory gas first flows through the fixed box 31 and can be adsorbed and purified by the second activated carbon bag 331. Then the laboratory gas enters the purification tank 5 and can be irradiated by the UV light oxygen ultraviolet lamp tube 55. After the photolysis reaction, harmless substances are produced. Finally, the laboratory gas passes through the first activated carbon bag 91 in the air outlet cover 9, and the first activated carbon bag 91 adsorbs the pollutants in the gas again.

[0032] The working principle and use process of the utility model are as follows:

[0033] When the laboratory gas is purified, the gas enters the inside of the fixed gas pipeline 2 from the air inlet cover 4. The laboratory gas first flows through the fixed box 31 and can be adsorbed and purified by the second activated carbon bag 331.

[0034] Then the laboratory gas enters the purification tank 5. When the UV light oxygen ultraviolet lamp tube 55 and the circulating fan 7 are in the open state, the laboratory gas is irradiated by the UV light oxygen ultraviolet lamp tube 55. After the photolysis reaction, harmless substances are produced.

[0035] The circulating fan 7 in operation sucks the laboratory gas. The laboratory gas flows through the first gas pipeline 6, and then flows through the second gas pipeline 8 and enters the inside of the purification tank 5, completes the circulation process, and can circulate and purify the laboratory gas.

[0036] The baffle 54 in the purification tank 5 plays a role in blocking the laboratory gas and increases the retention time of the laboratory gas in the inside of the purification tank 5.

[0037] Finally, the purified laboratory gas enters the air outlet pipeline 53 and passes through the first activated carbon bag 91 in the air outlet cover 9. The first activated carbon bag 91 adsorbs the pollutants in the gas again.

[0038] In summary, the laboratory toxic and harmful gas purification treatment device can circulate and purify the discharged gas after the activated carbon adsorption. The circulating fan 7 in operation sucks the laboratory gas. The laboratory gas flows through the first gas pipeline 6, and then flows through the second gas pipeline 8 and enters the inside of the purification tank 5, completes the circulation process, and can circulate and purify the laboratory gas.

[0039] Although the embodiments of the present application have been shown and described (see the detailed description above), it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A laboratory toxic and harmful gas purification treatment device, characterized by: The utility model provides a kind of air purifier, including Mobile mechanism, including mobile base (1), fixed gas pipe (2) with mobile base (1) by screw fixed end; Air inlet filtering and purifying component, including fixed box (31) with fixed gas pipe (2) by screw fixed, sealing cover plate (32) with fixed box (31) combination connection, fixed frame (33) with sealing cover plate (32) by screw fixed, second activated carbon bag (331) is placed in fixed frame (33) inside, air inlet cover (4) with fixed box (31) side by thread screw connection; Circulation purifying mechanism, including purifying box (5) with mobile base (1) by screw fixed, circulation fan (7) with purifying box (5) by bolt fixed, first gas pipeline (6) with purifying box (5) side and circulation fan (7) gas inlet end communication respectively both ends, second gas pipeline (8) with purifying box (5) side and circulation fan (7) gas outlet end communication respectively both ends, the side of the purifying box (5) is fixedly connected with the communication pipeline (52) with fixed gas pipe (2) communication, the inner surface of the bottom end of the purifying box (5) is connected with the baffle (54) by screw, the inner surface of the top end of the purifying box (5) is connected with the UV light oxygen ultraviolet lamp tube (55) by screw, the surface of the purifying box (5) is equipped with operation controller (51), the surface of the operation controller (51) is embedded with button operation panel (511); Air outlet filtering and purifying component, including air outlet pipeline (53) with purifying box (5) inside communication, air outlet cylinder cover (9) with air outlet pipeline (53) one end by thread screw connection, first activated carbon bag (91) is placed in air outlet cylinder cover (9) inside.

2. The laboratory toxic and harmful gas purification treatment device according to claim 1, characterized in that: The fixed frame (33) is the square box body structure, the sealing cover plate (32) is equipped with handle, the sealing cover plate (32) is penetrated with the hand twist locking screw (321) with fixed box (31) by thread screw connection.

3. The laboratory toxic and harmful gas purification treatment device according to claim 1, characterized in that: The top end of the fixed gas pipe (2) is the straight angle elbow shape, the air inlet cover (4) is the funnel shape with one end narrow mouth and one end wide mouth, the narrow mouth end of the air inlet cover (4) is connected with the side of the fixed box (31).

4. The laboratory toxic and harmful gas purification treatment device according to claim 1, characterized in that: The baffle (54) includes bottom vertical part and top curved part, the top surface of the top curved part is provided with air hole (541).

5. The laboratory toxic and harmful gas purification treatment device according to claim 1, characterized in that: The one end of the air outlet pipeline (53) away from the purifying box (5) is welded with round plate, the side of the round plate is provided with round groove, the one end of the air outlet cylinder cover (9) is connected with the round plate by thread screw.

6. The laboratory toxic and harmful gas purification treatment device according to claim 1, characterized in that: The air outlet cylinder cover (9) is hollow structure, and one end of the air outlet cylinder cover (9) is sealed, the center position of the sealed one end of the air outlet cylinder cover (9) is mesh shape.

7. The laboratory toxic and harmful gas purification treatment device according to claim 1, characterized in that: The gas circulation conveying path of the circulation fan (7) is purifying box (5), first gas pipeline (6), circulation fan (7), second gas pipeline (8), purifying box (5), the gas discharge path of the purifying box (5) is a direction air inlet, air inlet cover (4), fixed box (31), fixed gas pipe (2), communication pipeline (52), purifying box (5), air outlet pipeline (53), air outlet cylinder cover (9), b direction air outlet.

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