Laboratory waste gas treatment and purification cylinder

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to a laboratory waste gas treatment purification cylinder which comprises a sterilization cylinder, four ventilation pipes are arranged on the inner wall of the sterilization cylinder, and flow dividing pipes are arranged at the two ends of the sterilization cylinder respectively. By means of the mode that activated carbon is placed in a placing barrel arranged on a rotating ring between the end face of a sterilization barrel and a flow dividing pipe, entering air can be conveniently purified, when air containing pollutants passes through the activated carbon, harmful gas molecules in the air can be physically adsorbed in pores, the adsorption is caused by Van der Waals force among the molecules, and the harmful gas molecules can be purified. The harmful gas molecules are adsorbed on the surface and in the pores of the activated carbon, so that the harmful gas molecules are removed from the air, and when the internal pores in the activated carbon are adsorbed to be saturated, the activated carbon can be placed in a placement barrel which is not communicated with the flow dividing pipe and the ventilation pipe, and the placement barrel is driven to rotate by rotating a rotating ring for switching.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, concretely is a laboratory waste gas treatment purification cylinder. BACKGROUND

[0002] In the process of inspection, identification and testing, various waste gases are produced in the laboratory, the waste gas composition is relatively complex, most of them are volatile organic compounds produced in the use process of organic solvents, there are more acidic gases and irritating odors.

[0003] The prior art such as publication number CN212819062U provides a waste gas purification device for pathological laboratory, and relates to the technical field of laboratory devices, comprising a shell, a gas inlet cylinder is installed at one end of the shell through bolt connection, a driving motor is fixedly installed in the gas inlet cylinder, a fan blade is fixedly connected on the output shaft of the driving motor, an isolation net, a first activated carbon adsorption layer and a second activated carbon adsorption layer are fixedly connected in the shell in sequence, the isolation net is located on the side close to the driving motor, an ultraviolet sterilization lamp is fixedly installed on the inner wall of the shell, the ultraviolet sterilization lamp is located between the first activated carbon adsorption layer and the second activated carbon adsorption layer, a first filter screen is installed at the end of the shell away from the gas inlet cylinder, and a retaining ring fixed to the end of the shell is connected to the outside of the first filter screen.

[0004] In the scheme, the air in the pathological laboratory is purified by the activated carbon adsorption layer, and the air treatment is more thorough;But the activated carbon adsorption layer needs to be replaced regularly to ensure the adsorption effect in long-term use, but the activated carbon adsorption layer in the above scheme is arranged in the position inside the shell, which is not easy to replace and is not convenient for actual use, and when the activated carbon adsorption is replaced, the equipment needs to be interrupted for a long time for operation. Utility model content

[0005] The utility model aims at providing a laboratory waste gas treatment purification cylinder, which solves the problem that the activated carbon adsorption layer needs to be replaced regularly to ensure the adsorption effect in long-term use, but the activated carbon adsorption layer in the above scheme is arranged in the position inside the shell, which is not easy to replace and is not convenient for actual use, and when the activated carbon adsorption is replaced, the equipment needs to be interrupted for a long time for operation.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a laboratory waste gas treatment purification cylinder, including bactericidal cylinder, the inner wall of bactericidal cylinder is provided with four air pipes, two ends of bactericidal cylinder are provided with the shunt pipe respectively, and each branch pipe of shunt pipe is connected with the communication of corresponding position air pipe, and is fixedly connected with the outer wall of bactericidal cylinder through support frame,

[0008] The position between the two ends of the bactericidal cylinder is rotatably connected with a swivel ring, and the inner wall of the swivel ring is fixedly connected with eight groups of placing cylinders.

[0009] Preferably, the two ends of the placing cylinder are provided with a sealing ring, and four of the eight groups of placing cylinders are connected with the shunt pipe and the air pipe at the corresponding position.

[0010] Preferably, the four air pipes are arranged in a ring array, and the air pipes are arranged in a spiral shape.

[0011] Preferably, an installation groove is formed at the center of the bactericidal cylinder, and an ultraviolet sterilization lamp is fixedly connected to the inner wall of the installation groove.

[0012] Preferably, a plurality of guide wheels are rotatably connected to the swivel ring and arranged in a ring array, and guide rails corresponding to the guide wheels are fixedly connected to the outer wall of the bactericidal cylinder.

[0013] Preferably, a push rod is arranged outside the bactericidal cylinder to push the swivel ring to rotate, and two clamping seats are fixedly connected to the outer wall of the bactericidal cylinder.

[0014] Preferably, one group of shunt pipes at one end of the bactericidal cylinder is fixedly connected with an exhaust fan, and the other group of shunt pipes is fixedly connected with a filter screen.

[0015] By the above technical solution, the utility model provides a laboratory waste gas treatment purification cylinder. At least the following beneficial effects are achieved:

[0016] Firstly, the utility model places activated carbon in the placing cylinder on the swivel ring between the end face of the bactericidal cylinder and the shunt pipe, which facilitates the purification of the entering air. When the air containing pollutants passes through the activated carbon, the harmful gas molecules in the air will be physically adsorbed in the pores. This adsorption is due to the van der Waals force between molecules, so that the harmful gas molecules are adsorbed on the surface and inside the pores of the activated carbon, thereby removing them from the air. When the internal pores of the activated carbon are saturated, the activated carbon can be placed in the placing cylinder that is not connected with the shunt pipe and the air pipe. By rotating the swivel ring to drive the placing cylinder to rotate, the activated carbon can be quickly replaced.

[0017] Second, this utility model can position the rotating ring according to the rotation angle by pushing the push rod into the corresponding position of the card seat, so as to facilitate the simultaneous rotation of the placement cylinder and the positioning of the moving position. Attached Figure Description

[0018] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the sterilization cylinder in this utility model;

[0021] Figure 3 This is a schematic diagram of the transfer ring structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the diversion tube in this utility model.

[0023] In the diagram: 1. Sterilization cylinder; 2. Ventilation pipe; 3. Mounting slot; 4. Ultraviolet germicidal lamp; 5. Diverter pipe; 6. Support frame; 7. Rotary ring; 8. Placement cylinder; 9. Activated carbon; 10. Guide wheel; 11. Guide rail; 12. Push rod; 13. Card holder; 14. Exhaust fan; 15. Filter screen. Detailed Implementation

[0024] 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.

[0025] A laboratory exhaust gas treatment and purification cartridge, such as Figure 1 - Figure 4 As shown, the device includes a sterilization cylinder 1. The inner wall of the sterilization cylinder 1 is provided with four ventilation pipes 2. Both ends of the sterilization cylinder 1 are provided with diversion pipes 5, and each branch of the diversion pipe 5 is connected to the ventilation pipe 2 at the corresponding position. The diversion pipes 5 are fixedly connected to the outer wall of the sterilization cylinder 1 through a support frame 6. The two diversion pipes 5 are rotatably connected to the positions between the two ends of the sterilization cylinder 1 with rotating rings 7. The inner wall of the rotating rings 7 is fixedly connected with eight sets of placement cylinders 8, and the inner wall of each placement cylinder 8 is filled with activated carbon 9. Both ends of the placement cylinder 8 are provided with sealing rings, and four of the eight sets of placement cylinders 8 are connected to the diversion pipes 5 and ventilation pipes 2 at the corresponding positions.

[0026] In this embodiment, the active carbon 9 is placed in the placing cylinder 8 on the rotating ring 7 between the end surface of the sterilization cylinder 1 and the shunt pipe 5, so as to facilitate the purification of the entering air. When the air containing pollutants passes through the active carbon, the harmful gas molecules in the air will be physically adsorbed in the pores. This adsorption is due to the van der Waals force between molecules, so that the harmful gas molecules are adsorbed on the surface and inside the pores of the active carbon 9, thereby removing them from the air. When the internal pores of the active carbon 9 are saturated, the active carbon 9 can be placed in the placing cylinder 8 which is not in communication with the shunt pipe 5 and the air pipe 2. By rotating the rotating ring 7 to drive the placing cylinder 8 to rotate, the purpose of quickly replacing the active carbon 9 can be achieved.

[0027] As shown in Figure 2 Preferably, the four air pipes 2 are arranged in a ring array, and the air pipes 2 are arranged in a spiral shape. An installation groove 3 is formed at the center of the inside of the sterilization cylinder 1. The inner wall of the installation groove 3 is fixedly connected with the ultraviolet sterilization lamp 4, and the inner wall of the installation groove 3 and the air pipe 2 are uniformly made of light-transmitting material.

[0028] In this embodiment, by arranging the air pipe 2 in a spiral shape, the area irradiated by the air can be increased to improve the irradiation effect, so as to facilitate the sterilization and killing of the ultraviolet sterilization lamp 4.

[0029] As shown in Figure 1 Preferably, a plurality of guide wheels 10 are rotatably connected to the rotating ring 7 and arranged in a ring array. The outer wall of the sterilization cylinder 1 is fixedly connected with guide rails 11 corresponding to the guide wheels 10 for moving the guide wheels 10. The outer wall of the sterilization cylinder 1 is fixedly connected with two groups of clamping seats 13. By pushing the push rod 12 to embed the clamping seat 13 at the corresponding position, the rotation angle of the rotating ring 7 can be positioned, so as to facilitate the rotation of the placing cylinder 8 and the positioning of the moving position. One group of shunt pipes 5 at one end of the sterilization cylinder 1 is fixedly connected with an exhaust fan 14, and the other group of shunt pipes 5 is fixedly connected with a filter screen 15.

[0030] In this embodiment, the exhaust fan 14 is arranged to exhaust air. When the gas is sucked at the filter screen 15, the filter screen 15 can intercept some impurities in the air to avoid the problem that large impurities block the active carbon 9 or enter the air pipe 2 and adhere to the inner wall of the air pipe 2 to affect the light transmittance of the air pipe 2.

[0031] The utility model discloses a laboratory waste gas treatment purification cylinder, when using, through exhaust fan 14 exhaust, gas inhales at filter screen 15, filter screen 15 will intercept some impurities in the air to avoid the problem that the larger impurity blocks activated carbon 9 or enters into the air pipe 2, adheres to the inner wall of air pipe 2 and influences the light transmittance of air pipe 2, and through the mode that air pipe 2 is set into spiral, can increase the area of air being irradiated, to improve the effect of irradiation, to facilitate ultraviolet germicidal lamp 4 disinfecting and killing, when the internal aperture in activated carbon 9 adsorbs saturation, can place activated carbon 9 in the placement cylinder 8 that is not communicated with the shunt pipe 5 and air pipe 2, through the mode that rotation ring 7 is rotated and drives placement cylinder 8 to rotate and switches, through the mode that push rod 12 is pushed and inserts the clamping seat 13 of corresponding position, can position corresponding rotation angle of rotation ring 7, to facilitate driving placement cylinder 8 to rotate simultaneously, and the position of moving is positioned, to facilitate the quick switching of activated carbon 9.

[0032] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace and vary in many ways 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 exhaust gas treatment and purification cylinder, comprising a sterilization cylinder (1), characterized in that: The sterilization cylinder (1) has four ventilation pipes (2) on its inner wall. The sterilization cylinder (1) has a diversion pipe (5) at each end. Each branch of the diversion pipe (5) is connected to the ventilation pipe (2) at the corresponding position and is fixedly connected to the outer wall of the sterilization cylinder (1) through the support frame (6). Two sets of diversion pipes (5) are rotatably connected to the two ends of the sterilization cylinder (1) with rotating rings (7). Eight sets of placement cylinders (8) are fixedly connected to the inner wall of the rotating rings (7), and activated carbon (9) is placed on the inner wall of each placement cylinder (8).

2. The laboratory waste gas treatment and purification cylinder according to claim 1, characterized in that: The two ends of the placement cylinder (8) are respectively provided with sealing rings, and four of the eight placement cylinders (8) are connected to the corresponding position diversion pipe (5) and the vent pipe (2).

3. The laboratory waste gas treatment and purification cylinder according to claim 1, characterized in that: The four ventilation tubes (2) are arranged in a ring array and are spirally arranged.

4. The laboratory waste gas treatment and purification cylinder according to claim 1, characterized in that: An installation groove (3) is provided at the center of the sterilization cylinder (1). An ultraviolet germicidal lamp (4) is fixedly connected to the inner wall of the installation groove (3). The inner wall of the installation groove (3) and the ventilation pipe (2) are made of light-transmitting material.

5. The laboratory waste gas treatment and purification cylinder according to claim 1, characterized in that: Multiple sets of guide wheels (10) are rotatably connected to the rotating ring (7) and are arranged in a ring array. The outer wall of the sterilization cylinder (1) is fixedly connected with a guide rail (11) that moves in coordination with the guide wheel (10).

6. The laboratory waste gas treatment and purification cylinder according to claim 5, characterized in that: The sterilization cylinder (1) is provided with a push rod (12) for driving the rotating ring (7) to rotate, and two sets of card seats (13) are fixedly connected to the outer wall of the sterilization cylinder (1).

7. The laboratory waste gas treatment and purification cylinder according to claim 1, characterized in that: One end of the sterilization tube (1) is fixedly connected to an exhaust fan (14) via a diversion pipe (5), while the other end of the diversion pipe (5) is fixedly connected to a filter screen (15).

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