Gas leakage prevention structure and activated carbon adsorption box

Abstract

The utility model relates to the technical field of gas conveying, in particular to a gas leakage prevention structure and an activated carbon adsorption box. The technical problems that for pipelines which need to be frequently disassembled and assembled, flange connection is usually adopted, after the pipelines are used for a long time, the gas leakage phenomenon possibly occurs at the connecting position, the general connecting position has certain sealing performance, the leakage amount is not large, the leakage amount is difficult to find, however, leaked gas can be diffused, and a larger range is influenced are solved. According to the technical scheme, the gas leakage prevention structure and the activated carbon adsorption box comprise a gas conveying pipe, a shielding assembly, a warning assembly, an adsorption assembly and an exhaust assembly; compared with a pipeline which needs to be frequently disassembled and assembled for a long time, the device has the advantages that the gas leakage phenomenon possibly occurs at the joint, the common joint has certain sealing performance, the leakage amount is not large, the leakage is difficult to find, but leaked gas can be diffused, and a larger range is influenced, the device is provided with a closed protection structure, the leaked gas is prevented from being diffused, and the service life of the device is prolonged. And leaked gas is adsorbed and purified, so that the criticality of the leaked gas is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gas transportation, in particular to a gas leakage prevention structure and an activated carbon adsorption box. Background Art

[0002] In the field of industrial production and energy, it is often necessary to transport industrial gases or natural gas. At present, pipelines are usually used to transport gas. It is usually composed of steel pipes, pipe fittings, valves and other components. The pipe fittings themselves have good air tightness, but due to the design and arrangement of the pipeline, there will be connections between the pipe fittings. The connection methods include welding, flange connection and socket connection. Among them, welding has the best air tightness, but it is not conducive to maintenance and replacement. For pipelines that need to be frequently disassembled and assembled, flange connection is usually used. With long-term use, gas leakage may occur at the connection. However, since the flange connection has a certain degree of sealing, the gas leakage is not large and difficult to detect, but the leaked gas will spread, resulting in a wider range of impact. Summary of the invention

[0003] In order to overcome the frequent need for disassembly and assembly of pipelines, flange connections are usually used. With long-term use, gas leakage may occur at the connection. However, since the flange connection has a certain sealing performance, the gas leakage is not large and difficult to detect, but the leaked gas will spread, causing problems affecting a wider range.

[0004] The technical solution of the utility model is: a gas leakage prevention structure and an activated carbon adsorption box, including a gas pipe, a shielding component, a warning component, an adsorption component, an exhaust component and a sealing component. The shielding component is arranged on the outside of the gas pipe, the warning component is arranged on the outside of the shielding component, the adsorption component is arranged on one side of the shielding component, the exhaust component is arranged on one side of the adsorption component, and the sealing component is arranged between two groups of gas pipes.

[0005] Preferably, a shielding component is provided to shield the gas leaking from the pipeline so that the leaked gas is confined in a sealed environment to prevent further diffusion; a warning component is provided to sound an alarm after gas leakage to remind staff to carry out maintenance; an adsorption component is provided to preliminarily adsorb the leaked gas to reduce its harmfulness; an exhaust component is provided to discharge the adsorbed waste gas to facilitate subsequent maintenance work; and a sealing component is provided to seal the gas pipeline to prevent gas leakage.

[0006] Preferably, the shielding assembly includes a box body, a first flange, a first bolt and a sealing gasket. The box body is provided with two groups, and the box body is provided on the outside of the gas pipeline. The first flange is fixedly installed on the outside of the box body. The first flange is provided with two groups, and the first bolt passes through the two groups of first flanges. The first bolt is threadedly connected to the first flange, and the sealing gasket is fixedly installed on one side of the box body. The pipeline connection is shielded by setting the box body to prevent the leakage gas from diffusing when a gas leak occurs. The two groups of box bodies are flange-connected by cooperating with the first flange and the first bolt, which is convenient for installation and disassembly. The connection between the two groups of box bodies is sealed by setting a sealing gasket to prevent gas leakage.

[0007] Preferably, the warning component includes a sensor and an alarm, the sensor is fixedly installed inside a group of boxes, and the alarm is fixedly installed outside the group of boxes; the interior of the box is monitored by setting the sensor, and if a gas leak occurs, a signal is transmitted to the alarm, and the alarm is set to sound an alarm to remind staff to inspect the gas pipeline.

[0008] Preferably, the adsorption component includes a containing box, a connecting box and a porous placing box. The containing box is fixedly installed inside the box body. The connecting box is arranged on one side of a group of boxes. The connecting box is through-connected with the group of boxes. The porous placing box passes through the connecting box, and the porous placing box is fixedly connected to the connecting box. The porous placing box is installed by setting the connecting box, activated carbon can be placed by setting the porous placing box, and desiccant can be placed by setting the containing box, so as to ensure that the inside of the box body is dry and prevent the activated carbon from getting damp.

[0009] Preferably, the adsorption assembly also includes threaded holes, a second bolt, a pressure plate and a cover plate. A plurality of groups of threaded holes are provided on the top surface of the connection box. The second bolt is threadedly connected to the connection box through the threaded holes. The pressure plate is fixedly installed on the outside of the second bolt. The cover plate is arranged on the outside of the connection box, and the cover plate is located above the porous placement box. The pressure plate is installed by arranging the second bolt, and the porous placement box is shielded by arranging the cover plate. The cover plate is pressed tightly against the top of the connection box by arranging the pressure plate to prevent the leakage gas of the purified adsorbed gas from escaping.

[0010] Preferably, the exhaust assembly includes an exhaust fan, an exhaust duct and an air valve. The exhaust fan is arranged on one side of the connecting box, and the exhaust fan is through-connected with the connecting box. The exhaust duct is arranged on the other side of the exhaust fan, and the exhaust duct is through-connected with the exhaust fan. The air valve is arranged at one end of the exhaust duct. By setting up the exhaust fan, the gas inside the box can be extracted, and by setting up the air valve, the gas inside the box can be controlled, and by setting up the exhaust duct, the leaked gas can be discharged.

[0011] Preferably, the sealing assembly includes a second flange and a third bolt, the second flange is fixedly installed at one end of the gas pipe, the third bolt passes through two sets of second flanges, and the third bolt is threadedly connected to the second flanges; through the cooperation of the second flange and the third bolt, the gas pipe is sealed to prevent internal gas leakage.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with pipes that need to be frequently disassembled and assembled, after long-term use, the joints may leak. Generally, the joints have a certain degree of sealing, and the leakage is not large and difficult to detect, but the leaked gas will spread and affect a wider range. This device sets a closed protective structure to prevent the leaked gas from spreading, and adsorbs and purifies the leaked gas to reduce its harmfulness;

[0014] 2. The pipe connection is shielded by the box to prevent the leaked gas from spreading when a gas leak occurs. The two sets of boxes are flange-connected by the cooperation of the first flange and the first bolt to facilitate installation and disassembly. The connection between the two sets of boxes is sealed by the sealing gasket to prevent the gas leakage from continuing to spread and affecting a wider range;

[0015] 3. Activated carbon can be placed in the porous placement box to adsorb and purify the leaked gas inside the box to reduce its harm. Desiccant can be placed in the containing box to ensure the dryness of the inside of the box and prevent the activated carbon from getting damp and affecting the adsorption effect of the activated carbon. The activated carbon in the porous placement box can be replaced regularly by opening the cover, which is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention shows a schematic diagram of the first cross-sectional three-dimensional structure of the gas leakage prevention structure and the activated carbon adsorption box of the present invention;

[0017] Figure 2 The first three-dimensional structure diagram of the gas leakage prevention structure and the activated carbon adsorption box of the utility model is shown;

[0018] Figure 3 The utility model shows the gas leakage prevention structure and activated carbon adsorption box Figure 2 The circle shows an enlarged schematic diagram of the three-dimensional structure;

[0019] Figure 4 The figure shows a schematic diagram of the second cross-section stereoscopic structure of the gas leakage prevention structure and the activated carbon adsorption box of the utility model;

[0020] Figure 5 The utility model shows the gas leakage prevention structure and activated carbon adsorption box Figure 4 The circle is an enlarged schematic diagram of the three-dimensional structure;

[0021] Figure 6 The second three-dimensional structure schematic diagram of the gas leakage prevention structure and the activated carbon adsorption box of the utility model is shown;

[0022] Figure 7 The third section of the gas leakage prevention structure and the activated carbon adsorption box of the utility model is shown;

[0023] Explanation of the reference numerals: 1. gas pipe; 2. shielding component; 3. warning component; 4. adsorption component; 5. exhaust component; 6. sealing component; 201. box body; 202. first flange; 203. first bolt; 204. sealing rubber pad; 301. sensor; 302. alarm; 401. containing box; 402. connecting box; 403. porous placement box; 404. threaded hole; 405. second bolt; 406. pressure plate; 407. cover plate; 501. exhaust fan; 502. exhaust duct; 503. air valve; 601. second flange; 602. third bolt. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1 The utility model provides an embodiment: a gas leakage prevention structure and an activated carbon adsorption box, comprising a gas pipe 1, a shielding component 2, a warning component 3, an adsorption component 4, an exhaust component 5 and a sealing component 6, the shielding component 2 is arranged on the outside of the gas pipe 1, the warning component 3 is arranged on the outside of the shielding component 2, the adsorption component 4 is arranged on one side of the shielding component 2, the exhaust component 5 is arranged on one side of the adsorption component 4, and the sealing component 6 is arranged between two groups of gas pipes 1.

[0026] See also Figure 2-4In this embodiment, the shielding assembly 2 includes a box body 201, a first flange 202, a first bolt 203 and a sealing gasket 204. The box body 201 is provided with two groups. The box body 201 is arranged outside the gas pipeline 1. The first flange 202 is fixedly installed outside the box body 201. The first flange 202 is provided with two groups. The first bolt 203 penetrates the two groups of first flanges 202. The first bolt 203 is threadedly connected to the first flange 202. The sealing gasket 204 is fixedly installed on one side of the box body 201. The box body 201 is provided to shield the pipeline connection to prevent the leakage gas from diffusing when a gas leak occurs. The first flange 202 and the first flange 202 are connected to the first flange 202. The two sets of boxes 201 are flange-connected by a bolt 203, which is convenient for installation and disassembly. The connection between the two sets of boxes 201 is sealed by setting a sealing pad 204 to prevent gas leakage; the warning component 3 includes a sensor 301 and an alarm 302, the sensor 301 is fixedly installed inside a set of boxes 201, and the alarm 302 is fixedly installed outside the set of boxes 201; the inside of the box 201 is monitored by setting the sensor 301, if a gas leak occurs, a signal is transmitted to the alarm 302, and the alarm 302 is set to sound an alarm to remind the staff to inspect the gas pipeline 1; the adsorption component 4 includes a container The placing box 401, the connecting box 402 and the porous placing box 403, the placing box 401 is fixedly installed inside the box body 201, the connecting box 402 is arranged on one side of a group of boxes 201, the connecting box 402 is connected with the group of boxes 201, the porous placing box 403 passes through the connecting box 402, and the porous placing box 403 is fixedly connected with the connecting box 402; the porous placing box 403 is installed by setting the connecting box 402, the activated carbon can be placed by setting the porous placing box 403, and the desiccant can be placed by setting the holding box 401, so as to ensure that the inside of the box body 201 is dry and prevent the activated carbon from getting damp; the adsorption component 4 also includes a threaded hole 404 , a second bolt 405, a pressure plate 406 and a cover plate 407, a plurality of threaded holes 404 are provided on the top surface of the connection box 402, the second bolt 405 is threadedly connected to the connection box 402 through the threaded holes 404, the pressure plate 406 is fixedly installed on the outside of the second bolt 405, the cover plate 407 is arranged on the outside of the connection box 402, and the cover plate 407 is located above the porous placement box 403; the pressure plate 406 is installed by arranging the second bolt 405, the porous placement box 403 is shielded by arranging the cover plate 407, and the cover plate 407 is pressed tightly on the top of the connection box 402 by arranging the pressure plate 406 to prevent the leakage gas of the purified adsorbed gas from escaping.

[0027] See also Figure 5-7In this embodiment, the exhaust assembly 5 includes an exhaust fan 501, an exhaust pipe 502 and an air valve 503. The exhaust fan 501 is arranged on one side of the connection box 402, and the exhaust fan 501 is connected to the connection box 402. The exhaust pipe 502 is arranged on the other side of the exhaust fan 501, and the exhaust pipe 502 is connected to the exhaust fan 501. The air valve 503 is arranged at one end of the exhaust pipe 502. By setting the exhaust fan 501, the gas inside the box 201 can be exhausted. The gas inside the box 201 is controlled by setting a gas valve 503, and the leaked gas is discharged by setting an exhaust pipe 502; the sealing component 6 includes a second flange 601 and a third bolt 602, the second flange 601 is fixedly installed on one end of the gas pipeline 1, the third bolt 602 passes through the two groups of second flanges 601, and the third bolt 602 is threadedly connected to the second flange 601; through the cooperation of the second flange 601 and the third bolt 602, the gas pipeline 1 is sealed to prevent internal gas leakage.

[0028] During operation, the second flange 601 and the third bolt 602 are used to seal the connection of the gas pipeline 1 to prevent internal gas leakage, thus forming the first line of protection.

[0029] The two sets of boxes 201 are flange-connected by using the cooperation of the first flange 202 and the first bolt 203, and the sealing gasket 204 is used to prevent gas leakage at the connection of the two sets of boxes 201, forming a second line of protection. If the gas in the gas pipeline 1 leaks at the connection of the gas pipeline 1, the gas will be confined inside the box 201 to prevent further diffusion;

[0030] The sensor 301 senses the change of the gas composition inside the box 201, and the alarm 302 sounds an alarm to remind the staff to perform maintenance. The porous placement box 403 is used to place activated carbon to adsorb and purify the leaked gas to reduce its harm. The storage box 401 is used to place a desiccant to ensure that the activated carbon will not be affected by moisture.

[0031] After the staff comes to inspect and close the main valve, they leave it for a while, open the gas valve 503, use the exhaust fan 501 to extract the gas in the box 201, remove the first bolt 203, open the box 201, and inspect the internal gas pipe 1.

[0032] Through the above steps, the gas leaking from the pipeline is shielded by setting the shielding component 2, so that the leaked gas is confined in a sealed environment to prevent further diffusion. The warning component 3 is set to sound an alarm after the gas leaks to remind the staff to carry out maintenance. The adsorption component 4 is set to perform preliminary adsorption on the leaked gas to reduce its harmfulness. The exhaust component 5 is set to discharge the adsorbed waste gas to facilitate subsequent maintenance work. The sealing component 6 is set to seal the gas pipeline 1 to prevent gas leakage.

[0033] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A gas leakage prevention structure and an activated carbon adsorption box, comprising a gas delivery pipe (1); characterized in that: The invention also comprises a shielding component (2), a warning component (3), an adsorption component (4), an exhaust component (5) and a sealing component (6); the shielding component (2) is arranged outside the gas transmission pipe (1); the warning component (3) is arranged outside the shielding component (2); the adsorption component (4) is arranged on one side of the shielding component (2); the exhaust component (5) is arranged on one side of the adsorption component (4); and the sealing component (6) is arranged between two groups of gas transmission pipes (1).

2. The gas leakage prevention structure and activated carbon adsorption box according to claim 1, characterized in that: The shielding assembly (2) comprises a box body (201), a first flange (202), a first bolt (203) and a sealing rubber gasket (204); the box body (201) is provided with two groups; the box body (201) is provided outside the gas transmission pipe (1); the first flange (202) is fixedly installed outside the box body (201); the first flange (202) is provided with two groups; the first bolt (203) passes through the two groups of first flanges (202); the first bolt (203) is threadedly connected to the first flange (202); and the sealing rubber gasket (204) is fixedly installed on one side of the box body (201).

3. The gas leakage prevention structure and activated carbon adsorption box according to claim 2, characterized in that: The warning component (3) comprises a sensor (301) and an alarm (302); the sensor (301) is fixedly installed inside a set of boxes (201), and the alarm (302) is fixedly installed outside the set of boxes (201).

4. The gas leakage prevention structure and activated carbon adsorption box according to claim 2, characterized in that: The adsorption assembly (4) comprises a containing box (401), a connecting box (402) and a porous placement box (403); the containing box (401) is fixedly installed inside the box body (201); the connecting box (402) is arranged on one side of a group of box bodies (201); the connecting box (402) is connected to the group of box bodies (201); the porous placement box (403) passes through the connecting box (402); and the porous placement box (403) is fixedly connected to the connecting box (402).

5. The gas leakage prevention structure and activated carbon adsorption box according to claim 4, characterized in that: The adsorption assembly (4) further comprises threaded holes (404), second bolts (405), a pressure plate (406) and a cover plate (407); a plurality of groups of threaded holes (404) are provided on the top surface of the connection box (402); the second bolts (405) are threadedly connected to the connection box (402) through the threaded holes (404); the pressure plate (406) is fixedly mounted on the outside of the second bolts (405); the cover plate (407) is arranged on the outside of the connection box (402); and the cover plate (407) is located above the multi-hole placement box (403).

6. The gas leakage prevention structure and activated carbon adsorption box according to claim 4, characterized in that: The exhaust assembly (5) comprises an exhaust fan (501), an exhaust duct (502) and an air valve (503); the exhaust fan (501) is arranged on one side of the connection box (402); the exhaust fan (501) and the connection box (402) are connected in a through-connection manner; the exhaust duct (502) is arranged on the other side of the exhaust fan (501); the exhaust duct (502) and the exhaust fan (501) are connected in a through-connection manner; and the air valve (503) is arranged at one end of the exhaust duct (502).

7. The gas leakage prevention structure and activated carbon adsorption box according to claim 1, characterized in that: The sealing assembly (6) comprises a second flange (601) and a third bolt (602); the second flange (601) is fixedly mounted on one end of the gas transmission pipe (1); the third bolt (602) passes through two sets of second flanges (601); and the third bolt (602) is threadedly connected to the second flange (601).

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