A gas automatic recovery valve

Abstract

The invention discloses an automatic gas recovery valve, which relates to the field of gas valves; it comprises a base, an absorption box, a fixing device, and a left-right moving device, wherein a universal wheel is arranged at the bottom of the base, a cavity is opened inside the base, a fixing device is arranged inside the cavity, the fixing device comprises a bidirectional screw rod, a nut, a first motor and a clamping block, the threads on the bidirectional screw rod are symmetrical and opposite, the left and right ends of the bidirectional screw rod are rotatably connected to the inner wall of the cavity, a first motor is arranged on the left side of the cavity, the first motor is transmission-connected to the bidirectional screw rod, threaded nuts are symmetrically arranged on the bidirectional screw rod, the top of the nut is fixedly connected to the clamping block, and an absorption box is clamped in the middle of the clamping block.

Description

Technical Field

[0001] The invention relates to the field of gas valves, in particular to an automatic gas recovery valve. Background Art

[0002] When chemical reactions are carried out in industry, harmful and explosive gases are produced. The gases are easily ejected at high speeds, causing fires. At this time, valves are needed to recover the gases and reduce the occurrence of damage. A valve is a device in a fluid system that is used to control the direction, pressure and flow of the fluid.

[0003] The liquid inside the existing recovery valve on the market cannot fully contact and absorb the gas, resulting in the gas not being completely absorbed when the solution is discharged; the gas that cannot be absorbed by water can be absorbed by an activated carbon net, but the replacement of the existing activated carbon net is cumbersome and inconvenient. Summary of the invention

[0004] The purpose of the present invention is to provide a gas automatic recovery valve to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A gas automatic recovery valve comprises a base, an absorption box, a fixing device, and a left-right moving device. A universal wheel is provided at the bottom of the base, a cavity is opened inside the base, a fixing device is provided inside the cavity, the fixing device comprises a bidirectional screw rod, a nut, a first motor and a clamping block, the threads on the bidirectional screw rod are symmetrical and opposite, the left and right ends of the bidirectional screw rod are rotatably connected to the inner wall of the cavity, a first motor is provided on the left side of the cavity, the first motor is transmission-connected to the bidirectional screw rod, threaded nuts are symmetrically provided on the bidirectional screw rod, the top of the nut is fixedly connected to the clamping block, and an absorption box is clamped in the middle of the clamping block.

[0007] As a further solution of the present invention: an absorption box is provided on the top of the base, a reaction box is provided on the left side of the top of the base, a feed port is opened on the top of the reaction box, one side of the reaction box is connected with the absorption box through an air inlet pipe, a valve is provided on the top of the air inlet pipe, and an air suction pump is provided inside the air inlet pipe.

[0008] As a further solution of the present invention: a glass window is provided on the surface of the absorption box, and a left-right moving device is provided inside the absorption box, and the left-right moving device includes a second motor, a belt, a moving frame, a cam, a fixed column and a sliding rod.

[0009] As a further solution of the present invention: fixed columns are symmetrically arranged on the left and right sides of the top of the inner wall of the absorption box, the fixed columns are penetrated by a sliding rod, the sliding rod is fixedly connected to the inner wall of the fixed column, and a slidingly connected moving frame is arranged on the sliding rod.

[0010] As a further solution of the present invention: a cam is provided inside the movable frame, the position of the cam is fixed, the top of the inner wall of the absorption box is fixedly connected to the second motor, the output end of the second motor is connected to the cam transmission through a belt, and the bottom of the cam is fixedly connected to the frame through a connecting column.

[0011] As a further solution of the present invention: a third motor is provided inside the frame, the output shaft of the third motor is transmission-connected to the stirring rod, a plurality of stirring blades are provided on the stirring rod, water is provided at the bottom of the absorption box, the stirring blades are immersed in the water, and a drainage outlet is provided on one side surface of the absorption box.

[0012] As a further solution of the present invention: the top of the absorption box is connected to the recovery box through a connecting pipe, the bottom of the recovery box is provided with absorbent cotton, the inner walls on both sides of the recovery box are fixedly connected to the slide rail, the interior of the slide rail is provided with a sliding block for sliding connection, and the sliding block is fixedly connected to the activated carbon net.

[0013] Compared with the prior art, the beneficial effects of the present invention are: through the cooperation of the slide rod, the cam and the movable frame, the stirring blades can stir back and forth in the water, so that the gas and water can react and absorb better; through the setting of the slide rail and the slider, the activated carbon net can be easily replaced; the fixing device can keep the absorption box stable and prevent it from tipping over, allowing the internal gas and water to flow to the outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the automatic gas recovery valve.

[0015] Figure 2 This is a schematic diagram of the internal structure of the absorption box in the automatic gas recovery valve.

[0016] Figure 3 This is a schematic diagram of the internal structure of the recovery box in the automatic gas recovery valve.

[0017] In the figure: 1-base, 2-bidirectional screw rod, 3-nut, 4-first motor, 5-universal wheel, 6-clamp, 7-absorption box, 8-reaction box, 9-feeding port, 10-air suction pump, 11-valve, 12-inlet pipe, 13-glass window, 14-second motor, 15-belt, 16-moving frame, 17-cam, 18-fixed column, 19-slide rod, 20-frame, 21-third motor, 22-stirring rod, 23-stirring blade, 24-drainage port, 25-connecting pipe, 26-recovery box, 27-slide rail, 28-slider, 29-activated carbon net, 30-absorbent cotton. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Example 1

[0020] See also Figures 1 to 3 In embodiment 1 of the present invention, a gas automatic recovery valve includes a base 1, an absorption box 7, a fixing device, and a left-right moving device. A universal wheel 5 is provided at the bottom of the base 1, and a cavity is opened inside the base 1. A fixing device is provided inside the cavity to fix the position of the absorption box 7 to prevent it from tipping over during movement. The fixing device includes a bidirectional screw rod 2, a nut 3, a first motor 4 and a clamping block 6. The threads on the bidirectional screw rod 2 are symmetrically opposite. The left and right ends of the bidirectional screw rod 2 are rotatably connected to the inner wall of the cavity. A first motor 4 is provided on the left side of the cavity. The first motor 4 is transmission-connected to the bidirectional screw rod 2. The bidirectional screw rod 2 is symmetrically provided with threaded nuts 3. The top of the nut 3 is fixedly connected to the clamping block 6, and the absorption box 7 is clamped in the middle of the clamping block 6.

[0021] Example 2

[0022] See also Figures 1 to 3, the main difference between this embodiment 2 and embodiment 1 is that: an absorption box 7 is provided on the top of the base 1, a reaction box 8 is provided on the left side of the top of the base 1, a feed port 9 is provided on the top of the reaction box 8, one side of the reaction box 8 is connected with the absorption box 7 through an air inlet pipe 12, a valve 11 is provided on the top of the air inlet pipe 12, an air suction pump 10 is provided inside the air inlet pipe 12 to facilitate the absorption of gas into the absorption box 7, a glass window 13 is provided on the surface of the absorption box 7 to facilitate observation of the internal situation of the absorption box 7, a left-right moving device is provided inside the absorption box 7 to facilitate the stirring blade 23 to stir left and right in the water so that the gas is better absorbed by the water, and the left-right moving device includes a second motor 14, a belt 15, a moving frame 16, a cam 17, a fixed column 18 and a slide rod 19;

[0023] The top of the inner wall of the absorption box 7 is symmetrically provided with fixed columns 18 on the left and right sides, and the fixed columns 18 are penetrated by a sliding rod 19, and the sliding rod 19 is fixedly connected to the inner wall of the fixed column 18, and a slidingly connected moving frame 16 is provided on the sliding rod 19, and a cam 17 is provided inside the moving frame 16, and the position of the cam 17 remains unchanged, and the top of the inner wall of the absorption box 7 is fixedly connected to the second motor 14, and the output end of the second motor 14 is transmission-connected to the cam 17 through a belt 15, and the bottom of the cam 17 is fixedly connected to the frame 20 through a connecting column, and a third motor 21 is provided inside the frame 20, and the output shaft of the third motor 21 is transmission-connected to the stirring rod 22, and a plurality of stirring blades 23 are provided on the stirring rod 22;

[0024] Water is provided at the bottom of the absorption box 7, and the stirring blade 23 is immersed in the water. A drain port 24 is provided on one side surface of the absorption box 7 to drain the water to a designated location. The top of the absorption box 7 is connected to the recovery box 26 through a connecting pipe 25. The bottom of the recovery box 26 is provided with absorbent cotton 30 to absorb moisture in the gas. The inner walls on both sides of the recovery box 26 are fixedly connected to the slide rail 27. A sliding block 28 with a sliding connection is provided inside the slide rail 27. The sliding block 28 is fixedly connected to the activated carbon net 29.

[0025] The working principle of the present invention is: first, the absorption box 7 is placed between the clamping blocks 6, and then the first motor 4 is started, the first motor 4 rotates the bidirectional screw rod 2, and the bidirectional screw rod 2 makes the nuts 3 approach each other until the clamping block 6 fixes and clamps the absorption box 7, and then the valve 11 is opened, the air suction pump 10 is turned on, and the air suction pump 10 transports the gas to the inside of the absorption box 7 through the air inlet pipe 12, and then the second motor 14 is started, and the second motor 14 rotates the cam 17 through the belt 15, and the cam 17 makes the moving frame 16 move left and right on the slide bar 19. The third motor 21 moves back and forth and starts the third motor 21 at the same time. The third motor 21 rotates the stirring rod 22 and the stirring blade 23 and reciprocates in the water to accelerate the contact between the gas and the water. Then the water-insoluble gas enters the interior of the recovery box 26 through the connecting pipe 25. The gas is first absorbed by the absorbent cotton 30 and then absorbed by the activated carbon net 29. When the activated carbon net 29 needs to be replaced, the slider 28 is pulled to pull the activated carbon net 29 to the outside of the recovery box 26 for replacement, and then the slider 28 is reset.

[0026] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A gas automatic recovery valve, characterized in that: The invention comprises a base (1), an absorption box (7), a fixing device, and a left-right moving device. The base (1) is provided with a universal wheel (5) at the bottom, a cavity is provided inside the base (1), a fixing device is provided inside the cavity, the fixing device comprises a bidirectional screw rod (2), a nut (3), a first motor (4), and a clamping block (6). The threads on the bidirectional screw rod (2) are symmetrical and opposite. The left and right ends of the bidirectional screw rod (2) are rotatably connected to the inner wall of the cavity. The left side of the cavity is provided with a first motor (4). The first motor (4) is transmission-connected to the bidirectional screw rod (2). The bidirectional screw rod (2) is symmetrically provided with a nut (3) connected with a thread. The top of the nut (3) is fixedly connected to the clamping block (6), and the absorption box (7) is clamped in the middle of the clamping block (6). A glass window (13) is provided on the surface of the absorption box (7), and a left-right moving device is provided inside the absorption box (7), wherein the left-right moving device comprises a second motor (14), a belt (15), a moving frame (16), a cam (17), a fixed column (18) and a sliding rod (19); Fixed columns (18) are symmetrically arranged on the left and right sides of the top of the inner wall of the absorption box (7), and a sliding rod (19) penetrates between the fixed columns (18). The sliding rod (19) is fixedly connected to the inner wall of the fixed column (18), and a movable frame (16) is slidably connected to the sliding rod (19); A cam (17) is provided inside the movable frame (16), and the position of the cam (17) remains fixed. The top of the inner wall of the absorption box (7) is fixedly connected to the second motor (14). The output end of the second motor (14) is transmission-connected to the cam (17) via a belt (15). The bottom of the cam (17) is fixedly connected to the frame (20) via a connecting column.

2. The automatic gas recovery valve according to claim 1, characterized in that: A third motor (21) is provided inside the frame (20), the output shaft of the third motor (21) is drivingly connected to a stirring rod (22), a plurality of stirring blades (23) are provided on the stirring rod (22), water is provided at the bottom of the absorption box (7), the stirring blades (23) are immersed in the water, and a drainage port (24) is provided on one side surface of the absorption box (7).

3. The automatic gas recovery valve according to claim 2, characterized in that: The top of the absorption box (7) is connected to the recovery box (26) via a connecting pipe (25); the bottom of the recovery box (26) is provided with absorbent cotton (30); the inner walls on both sides of the recovery box (26) are fixedly connected to the slide rail (27); a sliding block (28) is provided inside the slide rail (27); and the sliding block (28) is fixedly connected to the activated carbon net (29).

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