Gas leakage detection device for petrochemical engineering

Abstract

The utility model relates to the technical field of gas leakage detection, and discloses a gas leakage detection device for petrochemical engineering, which comprises a shell, an alarm fixedly arranged at the upper part of the shell, an absorption pipe communicated with the left side of the shell, an absorption cover communicated with the left side of the absorption pipe, and an air outlet pipe communicated with the right side of the shell, the detection main body is fixedly installed in the shell, the air suction pipe is arranged on the upper portion of the absorption pipe in a communicating mode, the connecting assembly is arranged on one side of the shell, the connecting assembly comprises a dismounting and mounting mechanism arranged on one side of the shell, a fixing mechanism is arranged on one side of the shell, and a controller is fixedly installed on the right side of an alarm. A handle is fixedly installed on the upper portion of the shell. The problems that according to an existing device, a filter screen is inconvenient to disassemble and clean manually, meshes are prone to being blocked after the filter screen is used for a long time, the air suction effect of the device is affected, and then normal use of the device is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas leak detection technical field, concretely is a kind of gas leak detection device for petroleum chemical engineering. BACKGROUND

[0002] Petroleum chemical industry, abbreviated as petroleum chemical industry, generally refers to the chemical industry taking petroleum and natural gas as raw material, the range is very wide, and the product is many;Crude oil is cracked (cracking), reformed and separated to provide basic raw materials, such as ethylene, propylene, butene, butadiene, benzene, toluene, dimethylbenzene, naphthalene etc.Gas is generally transmitted by pipeline, and due to its flammable and explosive characteristics, it poses a great threat to people's life and property safety, therefore, it is necessary to detect gas leakage.

[0003] According to the gas leak detection device for petroleum chemical engineering disclosed by patent publication number CN 217305057 U, the device detects gas by a large suction head and a telescopic small suction pipe, installs a suction machine in the air inlet pipe, can quickly suck air in a large range by the large suction head, can extend into a small space to suck air by the telescopic small suction pipe, so that effective gas leak detection can be carried out, it is flexible to use, and the application range is wide, the shell is arranged on the outside of the detection main body, the detection main body can be protected, the handle and the hanging rope are fixed on the top of the shell, the detection main body is convenient to hold and detect, and the detection main body is convenient to carry, and it is beneficial to use;But the device is not convenient for manual disassembly and cleaning of filter screen, the mesh of filter screen is easy to block after long-term use, thereby affecting the air suction effect of the device, and further affecting the normal use of the device.

[0004] Therefore, we propose a gas leak detection device for petroleum chemical engineering to solve the problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a gas leak detection device for petroleum chemical engineering, which solves the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a gas leak detection device for petroleum chemical engineering, which comprises a shell.

[0007] The alarm is fixedly installed on the upper part of the shell.

[0008] The absorption pipe is communicated and arranged on the left side of the shell.

[0009] The absorption cover is communicated and arranged on the left side of the absorption pipe.

[0010] The air outlet pipe is communicated and arranged on the right side of the shell.

[0011] The detection main body is fixedly installed inside the shell;

[0012] The suction pipe is communicated with the upper part of the absorption pipe;

[0013] The connecting assembly is arranged on one side of the shell, the shell is provided with a fixing mechanism, a controller is fixedly installed on the right side of the siren, and a handle is fixedly installed on the upper part of the shell.

[0014] Preferably, the dismounting mechanism comprises a suction machine fixedly installed inside the absorption pipe through a mounting bracket, the inside of the absorption pipe is provided with a mounting groove, a first mounting frame is clamped on the inner wall of the mounting groove, a fine filter plate is fixedly installed inside the first mounting frame, a clamping groove is formed on one side of the first mounting frame, a first inner groove is formed in the inside of the absorption pipe, a sliding block is slidably connected to the inner wall of the first inner groove, an inclined clamping block is fixedly connected to one side of the sliding block, a hollow column is fixedly connected to the inner wall of the first inner groove, a solid column is sleeved in the hollow column, a first spring is fixedly connected to the inner wall of the first inner groove, and a movable hole is formed in the outside of the absorption pipe, and a push rod is slidably connected to the inner wall of the hole.

[0015] Preferably, the fixing mechanism comprises a sealing plug arranged on the left side of the absorption cover, a second mounting frame is arranged in the inside of the absorption cover, a coarse filter plate is fixedly installed in the inside of the second mounting frame, a pressing groove is formed in the outer wall of the second mounting frame, a positioning block is fixedly connected to the outer wall of the second mounting frame, a second inner groove is formed in the inner wall of the absorption cover, a pressing block is sleeved in the inside of the second inner groove, and a second spring is fixedly connected to the inner wall of the second inner groove.

[0016] Preferably, the inclined clamping block is movably penetrated through the clamping groove of the absorption pipe, one end of the first spring is fixedly connected to the sliding block, and the outer end of the solid column is fixedly connected to the sliding block. The fine filter plate can filter fine impurities, prevent impurities from entering the shell and causing damage to the detection main body, and facilitate manual dismounting and cleaning of the fine filter plate through cooperation of the suction machine, the mounting groove, the first mounting frame, the fine filter plate, the clamping groove, the first inner groove, the sliding block, the inclined clamping block, the hollow column, the solid column, the movable hole and the first spring. The filter holes of the fine filter plate can be prevented from being blocked, and the collection effect of the gas can be affected.

[0017] Preferably, the sliding block is fixedly connected to the push rod.

[0018] Preferably, one end of the second spring is fixedly connected with the abutting block, and the abutting block is arranged in abutment with the abutment groove, so that larger impurities can be filtered and blocked by the coarse filter plate, thereby preventing the larger impurities from causing blockage of the absorption pipe and affecting normal use of the device, and meanwhile, the cooperation of the sealing plug, the second mounting frame, the coarse filter plate, the abutment groove, the positioning block, the positioning groove, the second inner groove, the abutting block and the second spring facilitates manual disassembly and cleaning of the coarse filter plate, thereby increasing the applicability of the device.

[0019] Preferably, the number of the positioning blocks is three, and the positioning blocks are equidistantly distributed on the outer wall of the second mounting frame and are slidably connected in the positioning grooves.

[0020] The utility model provides a gas leak detection device for petroleum chemical engineering, which has the following advantages:

[0021] (1) The gas leak detection device for petroleum chemical engineering is provided with a dismounting mechanism, and fine impurities can be filtered and treated by the fine filter plate, so that the impurities can be prevented from entering the shell and damaging the detection main body. Under the action of the air suction machine, the mounting groove, the first mounting frame, the fine filter plate, the clamping groove, the first inner groove, the sliding block, the inclined clamping block, the hollow column, the solid column, the movable hole and the first spring, the fine filter plate can be easily dismounted and cleaned by manual operation, the filter holes of the fine filter plate can be prevented from being blocked, and the collection effect of the gas can be improved.

[0022] (2) The gas leak detection device for petroleum chemical engineering is provided with a fixing mechanism, and larger impurities can be filtered and blocked by the coarse filter plate, so that the larger impurities can be prevented from causing blockage of the absorption pipe and affecting normal use of the device. Meanwhile, under the action of the sealing plug, the second mounting frame, the coarse filter plate, the abutment groove, the positioning block, the positioning groove, the second inner groove, the abutting block and the second spring, the coarse filter plate can be easily dismounted and cleaned by manual operation, thereby increasing the applicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the utility model;

[0024] Figure 2 It is a whole cross section structure schematic view of the utility model;

[0025] Figure 3 It is a dismounting mechanism structure schematic view of the utility model;

[0026] Figure 4 It is a dismounting mechanism local structure schematic view of the utility model;

[0027] Figure 5 It is a fixing mechanism structure schematic view of the utility model;

[0028] In the diagram: 1. Outer shell; 2. Absorption tube; 3. Connecting assembly; 31. Disassembly and assembly mechanism; 311. Air intake unit; 312. Mounting slot; 313. First mounting frame; 314. Fine filter plate; 315. Snap-fit ​​slot; 316. First inner slot; 317. Slider; 318. Angled locking block; 319. Hollow column; 3110. Solid column; 3111. Movable hole; 3112. First spring; 32. Fixing mechanism; 321. Sealing plug; 322. Second mounting frame; 323. Coarse filter plate; 324. Pressure groove; 325. Positioning block; 326. Positioning groove; 327. Second inner slot; 328. Pressure block; 329. Second spring; 4. Absorption cover; 5. Alarm; 6. Air outlet pipe; 7. Detection body; 8. Air intake tube. Detailed Implementation

[0029] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings.

[0030] Example 1: As Figures 1-5 As shown, this utility model provides a technical solution: a gas leak detection device for petrochemical engineering, including a housing 1, an alarm 5 fixedly installed on the upper part of the housing 1, an absorption pipe 2 connected to the left side of the housing 1, an absorption hood 4 connected to the left side of the absorption pipe 2, an air outlet pipe 6 connected to the right side of the housing 1, a detection body 7 fixedly installed inside the housing 1, an air intake pipe 8 connected to the upper part of the absorption pipe 2, and a connecting assembly 3 located on one side of the housing 1. The connecting assembly 3 includes a disassembly and assembly mechanism 31 located on one side of the housing 1, a fixing mechanism 32 located on one side of the housing 1, a controller fixedly installed on the right side of the alarm 5, and a handle fixedly installed on the upper part of the housing 1. The disassembly and assembly mechanism 31 includes a mounting bracket for fixed installation. Inside the absorption tube 2 is a suction machine 311. Inside the absorption tube 2 is a mounting groove 312. The inner wall of the mounting groove 312 is fitted with a first mounting frame 313. Inside the first mounting frame 313 is a fine filter plate 314. On one side of the first mounting frame 313 is a snap-fit ​​groove 315. Inside the absorption tube 2 is a first inner groove 316. The inner wall of the first inner groove 316 is slidably connected to a slider 317. On one side of the slider 317 is a sloping locking block 318. The inner wall of the first inner groove 316 is fixedly connected to a hollow column 319. Inside the hollow column 319 is a solid column 3110. The inner wall of the first inner groove 316 is fixedly connected to a first spring 3112. On the outside of the absorption tube 2 is a movable hole 3111. The inner wall of the hole is slidably connected to a push rod.

[0031] In this embodiment, the inclined block 318 is movably penetrated into the absorption tube 2 and is clamped with the clamping groove 315, one end of the first spring 3112 is fixedly connected with the sliding block 317, the outer end of the solid column 3110 is fixedly connected with the sliding block 317, the fine filter plate 314 can filter the fine impurities, which can prevent the impurities from entering the shell 1 and damaging the detection main body 7, and the cooperation of the air suction machine 311, the installation groove 312, the first installation frame 313, the fine filter plate 314, the clamping groove 315, the first inner groove 316, the sliding block 317, the inclined block 318, the hollow column 319, the solid column 3110, the movable hole 3111 and the first spring 3112 facilitates manual disassembly and cleaning of the fine filter plate 314, which can prevent the filter holes of the fine filter plate 314 from being blocked and affect the collection effect of the gas.

[0032] Further, the outer side of the sliding block 317 is fixedly connected with the push rod.

[0033] When the device is in use, the air suction machine 311 can generate negative pressure in the absorption tube 2, so that the air outside can be pumped into the shell 1, and then the detection main body 7 can detect the gas, and the absorption cover 4 and the air suction pipe 8 can adopt different air suction methods to detect the larger space and the smaller space, thereby increasing the applicability of the device, and when the absorbed gas passes through the absorption tube 2, the fine filter plate 314 can filter the small impurities in the air, which can prevent the impurities from entering the shell 1 and damaging the detection main body 7, further, when the fine filter plate 314 needs to be disassembled, the sliding block 317 can be moved in the first inner groove 316 by manually pushing the push rod, so that the inclined block 318 fixedly connected to one side of the sliding block 317 can be separated from the clamping groove 315, and then the first installation frame 313 can be taken out outward by manual operation, thereby facilitating the cleaning operation of the fine filter plate 314, which can prevent the filter holes of the fine filter plate 314 from being blocked and affect the collection effect of the gas, and when the fine filter plate 314 is installed, the first installation frame 313 can be inserted into the installation groove 312 by manual operation, when the first installation frame 313 moves into the installation groove 312 and is pressed against the inclined block 318, since the outer side of the inclined block 318 is inclined, the inclined block 318 can be pressed into the first inner groove 316, and when the first installation frame 313 and the installation groove 312 are completely matched, the sliding block 317 can drive the inclined block 318 to clamp with the clamping groove 315 under the action of the first spring 3112, thereby achieving the fixing effect of the first installation frame 313, and even completing the installation operation, and under the action of the hollow column 319 and the solid column 3110, the first spring 3112 can be prevented from being excessively deformed, thereby prolonging the service life of the first spring 3112.

[0034] The preferable embodiment of the gas leakage detection device for petroleum chemical engineering provided by the utility model is based on example 1 Figures 1 to 5 As shown: the fixing mechanism 32 includes a sealing plug 321 arranged on the left side of the absorption cover 4, the second mounting frame 322 is arranged inside the absorption cover 4, the coarse filter plate 323 is fixedly installed inside the second mounting frame 322, the abutting groove 324 is arranged on the outer wall of the second mounting frame 322, the positioning block 325 is fixedly connected to the outer wall of the second mounting frame 322, the second inner groove 327 is arranged on the inner wall of the absorption cover 4, the abutting block 328 is sleeved in the second inner groove 327, and the second spring 329 is fixedly connected to the inner wall of the second inner groove 327.

[0035] In this embodiment, one end of the second spring 329 is fixedly connected to the abutting block 328, and the abutting block 328 is arranged in abutment with the abutting groove 324. The coarse filter plate 323 can filter and block larger impurities, so that the absorption pipe 2 is prevented from being blocked by larger impurities, and the normal use of the device is affected. Meanwhile, the sealing plug 321, the second mounting frame 322, the coarse filter plate 323, the abutting groove 324, the positioning block 325, the positioning groove 326, the second inner groove 327, the abutting block 328 and the second spring 329 are matched, so that the coarse filter plate 323 can be manually disassembled and cleaned, thereby increasing the applicability of the device.

[0036] Further, the three positioning blocks 325 are equidistantly distributed on the outer wall of the second mounting frame 322 and are slidingly connected in the positioning groove 326.

[0037] When the absorption cover 4 is used to detect the gas in a larger space, the coarse filter plate 323 can filter and block larger impurities, so that the absorption pipe 2 is prevented from being blocked by larger impurities, and the normal use of the device is affected. When it is necessary to collect gas in a smaller space, the sealing plug 321 is manually plugged into the absorption cover 4, and the gas detection operation in the smaller space can be performed through the suction pipe 8. When it is necessary to disassemble and clean the coarse filter plate 323, the second mounting frame 322 can be pulled out by manually holding the handle fixedly connected to the outer side of the second mounting frame 322, so that the coarse filter plate 323 can be cleaned. When it is necessary to install the second mounting frame 322, the positioning block 325 fixedly connected to the outer wall of the second mounting frame 322 is matched with the positioning groove 326, and then the second mounting frame 322 is pressed inward. When the positioning block 325 moves inward to the bottom of the positioning groove 326, the abutting block 328 and the abutting groove 324 are abutted under the action of the second spring 329, so that the second mounting frame 322 is fixedly abutted, the installation of the coarse filter plate 323 is completed, and the operation is simple and convenient.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A gas leakage detection device for petrochemical engineering, comprising a shell (1); An alarm (5) fixedly installed on the upper part of the shell (1); An absorption pipe (2) communicated and arranged on the left side of the shell (1); An absorption cover (4) communicated and arranged on the left side of the absorption pipe (2); An air outlet pipe (6) communicated and arranged on the right side of the shell (1); A detection main body (7) fixedly installed inside the shell (1); An air suction pipe (8) communicated and arranged on the upper part of the absorption pipe (2); and the connecting assembly (3) arranged on one side of the shell (1), characterized in that: The connecting assembly (3) comprises a dismounting mechanism (31) arranged on one side of the shell (1), a fixing mechanism (32) arranged on the side of the shell (1), a controller fixedly installed on the right side of the alarm (5), and a handle fixedly installed on the upper part of the shell (1).

2. A gas leak detection device for petrochemical engineering according to claim 1, characterized in that: The dismounting mechanism (31) comprises an air suction machine (311) fixedly installed inside the absorption pipe (2) through a mounting bracket, a mounting groove (312) formed in the absorption pipe (2), a first mounting frame (313) clamped on the inner wall of the mounting groove (312), a fine filter plate (314) fixedly installed inside the first mounting frame (313), a clamping groove (315) formed on one side of the first mounting frame (313), a first inner groove (316) formed in the absorption pipe (2), a sliding block (317) slidably connected to the inner wall of the first inner groove (316), an inclined clamping block (318) fixedly connected to one side of the sliding block (317), a hollow column (319) fixedly connected to the inner wall of the first inner groove (316), a solid column (3110) sleeved in the hollow column (319), a first spring (3112) fixedly connected to the inner wall of the first inner groove (316), and a movable hole (3111) formed in the outer part of the absorption pipe (2), wherein the inner wall of the hole is slidably connected to a push rod.

3. The gas leak detection device for petrochemical engineering according to claim 1, wherein: The fixing mechanism (32) comprises a sealing plug (321) arranged on the left side of the absorption cover (4), a second mounting frame (322) arranged inside the absorption cover (4), a coarse filter plate (323) fixedly installed inside the second mounting frame (322), a pressing groove (324) formed on the outer wall of the second mounting frame (322), a positioning block (325) fixedly connected to the outer wall of the second mounting frame (322), a second inner groove (327) formed in the inner wall of the absorption cover (4), and a pressing block (328) sleeved in the second inner groove (327), wherein a second spring (329) is fixedly connected to the inner wall of the second inner groove (327).

4. A gas leak detection device for petrochemical engineering as claimed in claim 2, wherein: The inclined clamping block (318) is movably penetrated into the absorption pipe (2) and clamped in the clamping groove (315), one end of the first spring (3112) is fixedly connected to the sliding block (317), and the outer end of the solid column (3110) is fixedly connected to the sliding block (317).

5. A gas leak detection device for petrochemical engineering as claimed in claim 2, wherein: The sliding block (317) is fixedly connected to the push rod on the outer side.

6. A gas leak detection device for petrochemical engineering as claimed in claim 3, wherein: One end of the second spring (329) is fixedly connected to the pressing block (328), and the pressing block (328) is arranged in pressing connection with the pressing groove (324).

7. A gas leak detection device for petrochemical engineering as claimed in claim 3, wherein: The positioning blocks (325) are three in number and are equidistantly distributed on the outer wall of the second mounting frame (322), and are slidingly connected in the positioning grooves (326).

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