Safety relief device for residual gas of pressure bottle

Abstract

The utility model relates to the field of hazardous waste treatment equipment, in particular to a pressure bottle residual gas safety relief device which comprises a relief box assembly, a frame support assembly, a lifting assembly, an exhaust valve and an air extracting pump, the relief box assembly is provided with a box cover and a relief closing piece with a plurality of ejector rods, the frame support assembly is provided with a bottom support and a pressure bottle containing frame, and the lifting assembly is provided with a lifting assembly. The release box assembly is fixedly connected to the lifting assembly and arranged above the frame support assembly, after the release box assembly moves downwards, a box cover of the release box assembly can cover a bottom support of the frame support assembly to form a closed cavity, and the air pump can pump out air in the closed cavity to form a negative pressure cavity; after the release box assembly moves downwards, an ejector rod of a release closing piece of the release box assembly can abut against an exhaust valve on a pressure bottle placed on the frame support assembly so that the pressure bottle can be exhausted. According to the utility model, the residual gas of the pressure bottle can be automatically discharged in a closed negative pressure environment, the safety and convenience of residual gas discharge can be improved, and the discharge is more thorough.

Description

Technical Field

[0001] The utility model relates to the field of hazardous waste treatment equipment, in particular to a pressure bottle residual gas safety discharge device. Background Art

[0002] Abandoned pressure bottles often contain residual industrial gases. Some of these gases are corrosive, while others are flammable. Directly discharging these gases could impact the surrounding environment, and some could even explode if exposed to open flames. Furthermore, it's difficult to completely exhaust the gases from pressure bottles through natural venting, and prolonged storage or cutting and disassembly of pressure bottles poses safety risks. Consequently, a safety relief device capable of automatically discharging residual gas from pressure bottles in a closed, negative-pressure space is desired, enhancing safety, convenience, and thoroughness. This case arose in light of this. Utility Model Content

[0003] To overcome the deficiencies in the prior art, the present invention discloses a safe discharge device for residual gas in a pressure bottle, comprising a discharge box assembly, a frame support assembly, a lifting assembly, an exhaust valve, and an air pump. The discharge box assembly is provided with a box cover and a discharge assembly with a plurality of push rods. The frame support assembly is provided with a bottom support and a pressure bottle placement frame. The discharge box assembly is fixedly connected to the lifting assembly and placed above the frame support assembly. After the discharge box assembly is lowered, its box cover can be buckled on the bottom support of the frame support assembly to form a closed cavity. The air pump can extract gas from the closed cavity to form a negative pressure cavity. After the discharge box assembly is lowered, the push rod of its discharge assembly can press the exhaust valve on the pressure bottle placed on the frame support assembly to exhaust the pressure bottle. The present invention can automatically discharge residual gas from the pressure bottle in a closed negative pressure environment, thereby improving the safety and convenience of residual gas discharge and ensuring more thorough discharge.

[0004] In order to achieve the above purpose, the technical solution adopted by the present utility model is as follows:

[0005] A pressure bottle residual gas safety discharge device includes several exhaust valves, the exhaust valves are press-type exhaust valves, the exhaust valves are respectively connected to the bottle mouths of several pressure bottles to be discharged, and the pressing heads of the exhaust valves are above their valve bodies, characterized in that: it also includes a discharge box assembly, a frame support assembly, a lifting assembly and an air pump, the discharge box assembly is provided with a box body with an open bottom and an elastic top pressure member placed in the box body, the air pump is connected to the box body of the discharge box assembly, the frame support assembly is provided with a support plate and a support plate placed on the support plate for A frame for placing the pressure bottle, the lifting assembly is provided with a lifting component that can slide up and down, the discharge box assembly is placed above the frame support assembly and on one side of the lifting component of the lifting assembly, the lifting assembly can drive the discharge box assembly to move up and down, after the discharge box assembly moves down, its box body can be covered and buckled on the support plate of the frame support assembly to form a closed cavity, the air pump can extract the gas in the closed cavity to form a negative pressure cavity, after the discharge box assembly moves down, its pressing component can press the pressing head of the exhaust valve on the pressure bottle placed on the frame support assembly to exhaust the pressure bottle.

[0006] The discharge box assembly includes a box cover, which is a square cover-shaped box body with an opening facing downward. A vacuum port is provided on one side of the box, and the vacuum pump is connected to the vacuum port via a pressure-resistant hose.

[0007] The discharge box assembly also includes a discharge joint, which is placed in the box cover and located in the middle below the top wall of the box cover. The discharge joint includes a top pressure plate, a top rod, a guide rod, a guide sleeve and a spring. The top pressure plate is a square flat plate, and the top rod is composed of several pieces. The several top rods are arranged in a matrix and are all vertically fixed to the lower surface of the top pressure plate. The guide rod, guide sleeve and spring are four pieces each, and the four guide sleeves are respectively vertically fixed to the four corner areas of the upper surface of the top pressure plate. The four guide rods are respectively matched with the four guide sleeves, and the guide rods can be slidably inserted into the guide sleeves. The spring is placed between the top wall of the box cover and the top pressure plate. The four springs are respectively sleeved on the outside of the four guide sleeves with guide rods inserted. The upper end of the spring is fixed to the top wall of the box cover, and the lower end of the spring is fixed to the top pressure plate. The spring is a compression spring.

[0008] The frame support assembly includes a bottom support, a pressure bottle placement frame and a sealing gasket. The bottom support is a square disc-shaped support plate with an edge. The pressure bottle placement frame is provided with a square frame. One side of the frame is detachably connected to the adjacent side to facilitate loading and unloading of the pressure bottle. A positioning partition for the pressure bottle is provided in the frame and the positioning partition is provided with a plurality of placement holes distributed in a matrix. Several pressure bottles can be inserted into the plurality of placement holes of the positioning partition. The positioning partition is detachably connected to the frame body of the pressure bottle placement frame. The pressure bottle placement frame is fixed on the bottom support. The sealing gasket is flatly laid and fixed on the upper surface of the bottom support and placed between the pressure bottle placement frame and the edge of the bottom support. The sealing gasket is a flexible rubber pad.

[0009] After the box cover of the discharge box assembly is lowered, it can be placed on the sealing pad on the bottom support to make the box cover airtight, and the several push rods of the discharge assembly can press on the pressing heads of the several exhaust valves of the several pressure bottles to exhaust the pressure bottles.

[0010] The lifting assembly includes a base plate, a column and a linear module. The column is vertically fixed on one side of the base plate, and the linear module is vertically fixed on one side of the column.

[0011] One side of the box cover of the discharge box assembly is locked on a slider provided by the linear module of the lifting assembly, and the linear module can drive the box cover to move up and down.

[0012] The bottom support of the frame support assembly is fixedly connected to the bottom plate of the lifting assembly, and the air pump is locked on a bracket arranged on the other side of the column of the lifting assembly.

[0013] As can be seen from the above description, the advantages of the pressure bottle residual gas safety discharge device provided by the utility model are: the discharge box assembly that can be raised and lowered is placed above the frame support assembly provided with a bottom support and a pressure bottle placement frame, and after the discharge box assembly moves down, its box cover can be buckled on the bottom support of the frame support assembly to form a closed cavity, and the gas in the closed cavity can be extracted by using a vacuum pump to form a negative pressure cavity, and the top rod of the discharge assembly can be used to elastically press the exhaust valve on the pressure bottle placed on the frame support assembly to exhaust the pressure bottle, thereby automatically discharging the residual gas in the pressure bottle in a closed negative pressure environment, which can improve the safety, convenience and more thorough discharge of the residual gas. Secondly, after the vacuum pump extracts the gas discharged from the pressure bottle in the box cover, it can be sent to an externally connected gas collection bag or gas collection bottle for centralized collection, and then centralized treatment or reuse, which can protect the environment and maximize resource utilization. The utility model has a reasonable design, a simple structure, low cost, and is easy to promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a general schematic diagram of a pressure bottle residual gas safety release device according to the utility model;

[0015] Figure 2 is an enlarged schematic diagram of the discharge box assembly;

[0016] Figure 3 It is an enlarged schematic diagram of the discharge assembly;

[0017] Figure 4 It is an enlarged schematic diagram of the frame support assembly;

[0018] Figure 5 for Figure 4 A-direction enlarged schematic diagram;

[0019] Figure 6 Schematic diagram of the lifting assembly.

[0020] Reference numerals:

[0021] 1. Relief box assembly; 11. Box cover; 111. Exhaust port; 12. Relief fitting; 121. Top pressure plate; 122. Ejector rod; 123. Guide rod; 124. Guide sleeve; 125. Spring; 2. Frame support assembly; 21. Bottom support; 22. Pressure bottle placement frame; 23. Sealing pad; 3. Lifting assembly; 31. Bottom plate; 32. Column; 33. Linear module; 4. Exhaust valve; 5. Exhaust pump; 900. Pressure bottle. DETAILED DESCRIPTION

[0022] The present invention is further described below through specific implementation methods.

[0023] like Figure 1 As shown, the utility model describes a device for safely releasing residual gas from a pressure bottle, comprising a discharge box assembly 1, a frame support assembly 2, a lifting assembly 3, an exhaust valve 4 and an air pump 5. The exhaust valve 4 is composed of several parts, and the exhaust valve 4 is a press-type exhaust valve. The exhaust valve 4 is a well-known technology. The several exhaust valves 4 are respectively connected to the bottle mouths of several pressure bottles 900 to be discharged with the pressing heads of the exhaust valves 4 located above their valve bodies. If the bottle mouth of the pressure bottle 900 is on one side of the bottle body, the exhaust valve 4 is an exhaust valve with an elbow or is connected with an elbow. The discharge box assembly 1 is provided with a box body with an opening downward and an elastic pressing member placed in the box body. The air pump 5 is connected to the box body of the discharge box assembly 1. The frame support assembly 2 is provided with a support plate and a frame for placing the pressure bottle 900 placed on the support plate. The lifting assembly 3 is provided with a lifting member that can slide up and down. The discharge box assembly 1 is placed above the frame support assembly 2 and on one side of the lifting member of the lifting assembly 3. The lifting assembly 3 can drive the discharge box assembly 1 to move up and down. After the discharge box assembly 1 moves down, its box body can be covered on the support plate of the frame support assembly 2 to form a closed cavity. The air pump 5 can extract the gas in the closed cavity to form a negative pressure cavity. After the discharge box assembly 1 moves down, its pressing member can press the pressing head of the exhaust valve 4 on the pressure bottle 900 placed on the frame support assembly 2 to exhaust the pressure bottle 900.

[0024] like Figures 1 to 3As shown, the discharge box assembly 1 of the present invention includes a box cover 11 and a discharge fitting 12. The box cover 11 is a square cover-shaped box body with an open bottom, and an air extraction port 111 is provided on one side thereof. The air extraction pump 5 is connected to the air extraction port 111 with a pressure-resistant hose. The discharge fitting 12 is placed in the box cover 11 and is located in the middle below the top wall of the box cover 11. The discharge fitting 12 includes a top pressure plate 121, a top rod 122, a guide rod 123, a guide sleeve 124 and a spring 125. The top pressure plate 121 is a square flat plate. The top rod 122 is composed of several pieces. The several top rods 122 are arranged in a matrix and are vertically fixed to the lower surface of the top pressure plate 121. The guide rod 123, the guide sleeve 124 and the spring 125 are four pieces each. The four guide sleeves 124 are respectively vertically fixed. The four corner areas connected to the upper surface of the top pressure plate 121, the four guide rods 123 are respectively matched with the four guide sleeves 124, the guide rods 123 can be slidably inserted into the guide sleeves 124, the spring 125 is placed between the top wall of the box cover 11 and the top pressure plate 121, the four springs 125 are respectively sleeved on the outside of the four guide sleeves 124 with the guide rods 123 inserted, the upper end of the spring 125 is fixed to the top wall of the box cover 11, and the lower end of the spring 125 is fixed to the top pressure plate 121, and the spring 125 is a compression spring.

[0025] like Figures 1 to 5 As shown, the frame support assembly 2 described in the present invention includes a bottom support 21, a pressure bottle placing frame 22 and a sealing gasket 23. The bottom support 21 is a square disc-shaped support plate with an edge. The pressure bottle placing frame 22 is provided with a square frame. One side of the frame is detachably connected to the adjacent side to facilitate loading and unloading of the pressure bottle 900. A positioning partition for the pressure bottle 900 is provided in the frame and the positioning partition is provided with a plurality of placement holes distributed in a matrix. A plurality of pressure bottles 900 can be inserted into the plurality of placement holes of the positioning partition. The positioning partition is detachably connected to the frame body of the pressure bottle placing frame 22. The pressure bottle placing frame 22 is fixedly connected to the bottom support 21. The sealing gasket 23 is flatly fixed on the upper surface of the bottom support 21 and is placed between the pressure bottle placing frame 22 and the edge of the bottom support 21. The sealing gasket 23 is a flexible rubber pad. After the box cover 11 of the discharge box assembly 1 is lowered, it can be placed on the sealing gasket 23 on the base 21 to make the box cover 11 airtight, and the several push rods 122 of its discharge assembly 12 can press on the pressing heads of the several exhaust valves 4 of the several pressure bottles 900 to exhaust the pressure bottles 900.

[0026] like Figures 1 to 6As shown, the lifting assembly 3 of the present invention includes a base plate 31, a column 32, and a linear module 33. The column 32 is vertically fixed to one side of the base plate 31, and the linear module 33 is vertically fixed to one side of the column 32. One side of the box cover 11 of the discharge box assembly 1 is locked to the slider provided with the linear module 33 of the lifting assembly 3. The linear module is a well-known technology. The linear module used in this embodiment is a ball screw linear module. The linear module 33 can drive the box cover 11 to move up and down. The bottom support 21 of the frame support assembly 2 is fixed to the base plate 31 of the lifting assembly 3, and the vacuum pump 5 is locked to the bracket provided on the other side of the column 32 of the lifting assembly 3.

[0027] Before using the device, the discharge box assembly 1 is first raised by the linear module 33 of the lifting assembly 3, and then the detachable and openable side of the frame of the pressure bottle placement frame 22 is opened, and several pressure bottles 900 are placed in the pressure bottle placement frame 22 and positioned with the positioning partition; the lifting assembly 3 is then used to lower the discharge box assembly 1, and the box cover 11 of the discharge box assembly 1 is driven to be placed on the sealing gasket 23 on the upper surface of the bottom support 21 of the frame support assembly 2 to make it airtight; the airtight cavity of the box cover 11 is quickly pumped into a negative pressure by the air pump 5; at this time, the several push rods 122 of the discharge assembly 12 in the box cover 11 elastically press on the pressing heads of the several exhaust valves 4 of the several pressure bottles 900 to continuously exhaust the pressure bottles 900, and the exhausted gas is also extracted by the air pump 5 and sent to the externally connected gas collecting bag or gas collecting bottle for centralized collection, and then centralized treatment or reuse.

[0028] The utility model places a discharge box assembly 1 that can be raised and lowered above a frame support assembly 2 provided with a bottom support 21 and a pressure bottle placement frame 22. After the discharge box assembly 1 moves downward, its box cover 11 can be buckled on the bottom support 21 of the frame support assembly 2 to form a closed cavity. The air in the closed cavity can be extracted by using an air pump 5 to form a negative pressure cavity, and the top rod 122 of the discharge assembly 12 can elastically press the exhaust valve 4 on the pressure bottle 900 placed on the frame support assembly 2 to exhaust the pressure bottle 900, so that the residual gas in the pressure bottle 900 can be automatically discharged in a closed negative pressure environment, which can improve the safety and convenience of the residual gas discharge and make the discharge more thorough.

[0029] The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited to this. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. A device for safely releasing residual gas from a pressure bottle, comprising a plurality of exhaust valves (4), wherein the exhaust valves (4) are press-type exhaust valves, the plurality of exhaust valves (4) being respectively connected to the bottle openings of a plurality of pressure bottles (900) from which residual gas is to be discharged, and the pressing heads of the exhaust valves (4) being located above the valve bodies thereof, characterized in that: The invention also includes a discharge box assembly (1), a frame support assembly (2), a lifting assembly (3) and an air pump (5), wherein the discharge box assembly (1) is provided with a box body with an opening downward and an elastic top pressure member placed in the box body, the air pump (5) is communicated with the box body of the discharge box assembly (1), the frame support assembly (2) is provided with a support plate and a frame placed on the support plate for placing the pressure bottle (900), the lifting assembly (3) is provided with a lifting member that can slide up and down, and the discharge box assembly (1) is placed on the frame support assembly ( 2) and is placed on one side of the lifting component of the lifting assembly (3). The lifting assembly (3) can drive the discharge box assembly (1) to move up and down. After the discharge box assembly (1) moves down, its box body can be buckled on the support plate of the frame support assembly (2) to form a closed cavity. The air pump (5) can extract the gas in the closed cavity to form a negative pressure cavity. After the discharge box assembly (1) moves down, its pressing component can press the exhaust valve (4) on the pressure bottle (900) placed on the frame support assembly (2) to exhaust the pressure bottle (900).

2. A pressure bottle residual gas safety release device according to claim 1, characterized in that: The discharge box assembly (1) includes a box cover (11), which is a square cover-shaped box body with an opening facing downward, and a suction port (111) is provided on one side of the box. The suction pump (5) is connected to the suction port (111) via a pressure-resistant hose.

3. The device for safely releasing residual gas from a pressure bottle according to claim 2, characterized in that: The discharge box assembly (1) further includes a discharge fitting (12), the discharge fitting (12) being placed in the box cover (11) and being located in the middle portion below the top wall of the box cover (11), the discharge fitting (12) including a top pressure plate (121), a top rod (122), a guide rod (123), a guide sleeve (124) and a spring (125), the top pressure plate (121) being a square flat plate, the top rod (122) being a plurality of pieces, the plurality of top rods (122) being arranged in a matrix and being vertically fixed to the lower surface of the top pressure plate (121), the guide rod (123), the guide sleeve (124) and the spring (125) 25) are four in number, the four guide sleeves (124) are respectively fixed vertically to the four corner areas of the upper surface of the top pressure plate (121), the four guide rods (123) are respectively matched with the four guide sleeves (124), the guide rods (123) can be slidably inserted into the guide sleeves (124), the springs (125) are placed between the top wall of the box cover (11) and the top pressure plate (121), the four springs (125) are respectively sleeved on the outside of the four guide sleeves (124), the upper ends of the springs (125) are fixed to the top wall of the box cover (11), and the lower ends of the springs (125) are fixed to the top pressure plate (121).

4. A pressure bottle residual gas safety release device according to claim 3, characterized in that: The frame support assembly (2) includes a bottom support (21), a pressure bottle placement frame (22) and a sealing gasket (23). The bottom support (21) is a square disc-shaped support plate with an edge. The pressure bottle placement frame (22) is provided with a square frame. A positioning partition for the pressure bottle (900) is provided in the frame, and the positioning partition is provided with a plurality of placement holes distributed in a matrix. A plurality of pressure bottles (900) can be inserted into the plurality of placement holes of the positioning partition. The pressure bottle placement frame (22) is fixed to the bottom support (21). The sealing gasket (23) is flatly laid and fixed on the upper surface of the bottom support (21) and is placed between the pressure bottle placement frame (22) and the edge of the bottom support (21).

5. A pressure bottle residual gas safety release device according to claim 4, characterized in that: After the box cover (11) of the discharge box assembly (1) is lowered, it can be placed on the sealing gasket (23) on the bottom support (21) to make the box cover (11) airtight, and the plurality of push rods (122) of the discharge assembly (12) can be pressed on the pressing heads of the plurality of exhaust valves (4) of the plurality of pressure bottles (900) to exhaust the pressure bottles (900).

6. A pressure bottle residual gas safety release device according to claim 5, characterized in that: The lifting assembly (3) comprises a base plate (31), a column (32) and a linear module (33), wherein the column (32) is vertically fixed on one side of the base plate (31), and the linear module (33) is vertically fixed on one side of the column (32).

7. The device for safely releasing residual gas from a pressure bottle according to claim 6, characterized in that: One side of the box cover (11) of the discharge box assembly (1) is locked on the linear module (33) of the lifting assembly (3), and the linear module (33) can drive the box cover (11) to move up and down.

8. The device for safely releasing residual gas from a pressure bottle according to claim 7, characterized in that: The bottom support (21) of the frame support assembly (2) is fixedly connected to the bottom plate (31) of the lifting assembly (3), and the air pump (5) is locked on the column (32) of the lifting assembly (3).

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