Chemical safety gas sampling device

Abstract

The utility model discloses a chemical safety gas sampling device, which relates to the technical field of gas collection, and comprises a gas collection cylinder and a storage battery fixedly connected with the top surface of the gas collection cylinder, two gas collection cavities are arranged in the gas collection cylinder, one surface of the inner wall of each gas collection cylinder is provided with a gas inlet, and the other surface of each gas collection cylinder is provided with a gas outlet. And the opposite surfaces of the gas collecting cylinders are fixedly connected with a mounting frame. Through the arrangement of the motor and the fan blades, chemical gas can be sucked into one gas collection cavity to be collected, then the control assembly is used for blocking the gas collection cavity so that the collected gas can be stored in the corresponding gas collection cavity, and then the exhaust assembly can be used for exhausting residual gas in the gas collection cylinder. And then the other gas is collected into the other gas collection cavity to be collected, so that the device can collect the same gas or different types of gases at different time to be separately stored during use, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas collection technical field, especially relate to a chemical safety gas sampling device. BACKGROUND

[0002] In the LNG liquefaction plant, the chemical safety gas sampling device is very important, from the raw gas pretreatment, accurate time period collection of natural gas containing hydrogen sulfide, carbon dioxide and other impurities, which helps to master the composition fluctuation, adjust the process, and protect the liquefaction equipment; to low temperature liquefaction, real-time monitoring of air, distinguishing methane and other leakage gas, providing accurate information for rescue, and ensuring personnel and equipment safety; to the storage and transportation link, time period monitoring of storage tank gas, collecting pipeline impurity gas, early warning risk, ensuring product safety controllable throughout, and strongly supporting the efficient and safe operation of the plant.

[0003] The applicant found that a chemical safety environmental protection gas sampling device has been disclosed in Chinese patent with publication number CN218470305U. The patent mainly realizes automatic opening and closing of the gas inlet of the gas collecting cylinder by setting the air extraction mechanism and the plugging mechanism, improves the plugging efficiency, and realizes linkage of the sampling and plugging of the chemical gas.

[0004] The above device can be plugged after the gas enters, and the plugging efficiency is improved. However, the above device cannot collect the same gas at different times or different gases at different times when in use, which makes the collection of the gas inconvenient and affects the efficiency of the gas collection. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a chemical safety gas sampling device to solve the problem of low practicability and low gas collection efficiency of the above device caused by the collection of only single gas each time in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a chemical safety gas sampling device, comprising a gas collecting cylinder, a storage battery fixedly connected to the top surface of the gas collecting cylinder, two gas collecting cavities formed in the inside of the gas collecting cylinder, an air inlet hole formed in one side of the inner wall of each of the two gas collecting cavities, a mounting bracket fixedly connected to the opposite side of the gas collecting cylinder, two control components capable of moving to block or unblock the air inlet hole arranged on the mounting bracket, an exhaust component arranged on the top of the gas collecting cylinder and capable of exhausting the residual gas in the gas collecting cylinder, a filter screen fixedly connected to one end of the gas collecting cylinder, an installation plate fixedly connected to the opposite side of the inner wall of the gas collecting cylinder, a motor fixedly connected to the top surface of the installation plate, and a fan blade fixedly connected to the output end of the motor.

[0007] Preferably, the control assembly comprises a fixed rod, a surface of the fixed rod is fixedly connected with the inner wall of the mounting frame, and one end of the fixed rod penetrates one side of the gas collecting cylinder and extends to the inside of the corresponding gas collecting cavity.

[0008] Preferably, the control assembly further comprises a movable rod, a surface of the movable rod is slidably connected with the inner wall of the fixed rod, and one end of the movable rod away from the corresponding fixed rod is fixedly connected with a plugging head made of rubber.

[0009] Preferably, the control assembly further comprises a lead screw, a rod wall of the lead screw is threadedly connected with the inner wall of the corresponding movable rod, one end of the lead screw penetrates one side of the inner wall of the corresponding fixed rod and extends to the surface of the corresponding fixed rod, and one end of the lead screw extending to the surface of the corresponding fixed rod is fixedly connected with a knob.

[0010] Preferably, the exhaust assembly comprises a plurality of exhaust holes, and the plurality of exhaust holes are formed in the top surface of the inner wall of the gas collecting cylinder.

[0011] Preferably, the exhaust assembly further comprises a fixed shell, the bottom surface of the fixed shell is fixedly connected with the top surface of the gas collecting cylinder, the inner wall of the fixed shell is slidably connected with a sealing plate, the top surface of the sealing plate is rotatably connected with a pull ring, and the bottom surface of the sealing plate is fixedly connected with a rubber pad.

[0012] Preferably, the top surface and the bottom surface of the gas collecting cylinder are fixedly connected with two air release pipes, respectively, and the two air release pipes are in communication with the inside of the corresponding gas collecting cavity.

[0013] Preferably, the top surface of the gas collecting cylinder is fixedly connected with a handle.

[0014] The technical effects and advantages of the utility model are as follows: the motor and the fan blade are arranged to collect the chemical gas into one gas collecting cavity, the control assembly is used to block the gas collecting cavity to store the collected gas in the corresponding gas collecting cavity, the exhaust assembly is used to exhaust the residual gas in the gas collecting cylinder, and then another kind of gas is collected in another gas collecting cavity, so that the device can store the same kind of gas collected at different times or different kinds of gases separately when in use, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective structural schematic view of the utility model.

[0016] Figure 2 It is a front view sectional structure schematic view of the utility model.

[0017] Figure 3 It is a top view partial sectional structure schematic view of the utility model.

[0018] Figure 4 The utility model discloses Figure 2 The enlarged structural schematic diagram of A in the middle.

[0019] In the drawing: 1, gas collecting cylinder; 2, control assembly; 3, exhaust assembly; 4, mounting bracket; 5, handle; 6, air release pipe; 7, mounting plate; 8, filter screen; 9, motor; 10, fan blade; 11, gas collecting cavity; 12, battery; 13, air inlet; 202, plugging head; 203, movable rod; 204, fixed rod; 205, screw rod; 206, knob; 301, fixed shell; 302, sealing plate; 303, pull ring; 304, rubber pad; 305, exhaust hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the range protected by the utility model. EMBODIMENT

[0021] As Figures 1 to 4 Indicated, the utility model first aspect embodiment's chemical industry safety gas sampling device, including gas collecting cylinder 1, the battery 12 of gas collecting cylinder 1 top surface fixed connection, the inside of gas collecting cylinder 1 is equipped with two gas collecting cavities 11, the inside wall of two gas collecting cylinders 1 is equipped with air inlet 13 on one side, the opposite side of gas collecting cylinder 1 is commonly fixedly connected with mounting bracket 4, is equipped with two control assembly 2 that can move to the air inlet 13 is blocked or unblocked on mounting bracket 4, the top of gas collecting cylinder 1 is equipped with the exhaust assembly 3 that can export the residual gas in the inside of gas collecting cylinder 1, one end of gas collecting cylinder 1 is fixedly connected with filter screen 8, the opposite side of the inside wall of gas collecting cylinder 1 is commonly fixedly connected with mounting plate 7, the top surface of mounting plate 7 is fixedly connected with motor 9, and the output end of motor 9 is fixedly connected with fan blade 10.

[0022] The above-mentioned embodiment reaches the technical effect: through the setting of motor 9 and fan blade 10, the chemical gas can be sucked into one of the gas collecting cavities 11 for collection, then the control assembly 2 is used to block the gas collecting cavity 11 so that the collected gas can be stored in the corresponding gas collecting cavity 11, then the exhaust assembly 3 is used to exhaust the residual gas in the gas collecting cylinder 1, then another kind of gas is collected into another gas collecting cavity 11 for collection, so that the device can store different kinds of gases collected at different times separately when in use, improving the practicability of the device. EMBODIMENT

[0023] As shown in Figure 2 and Figure 3 , a chemical safety gas sampling device, including the whole content of embodiment 1, in addition, the control assembly 2 includes the fixed rod 204, the surface of the fixed rod 204 is fixedly connected with the inner wall of the mounting bracket 4, one end of the fixed rod 204 penetrates one side of the gas collecting cylinder 1 and extends to the inside corresponding to the gas collecting cavity 11, the control assembly 2 further includes the movable rod 203, the surface of the movable rod 203 is slidingly connected with the inner wall of the fixed rod 204, the end of the movable rod 203 away from the fixed rod 204 is fixedly connected with the plugging head 202, the plugging head 202 is made of rubber material, the control assembly 2 further includes the lead screw 205, the rod wall of the lead screw 205 is threadedly connected with the inner wall of the corresponding movable rod 203, one end of the lead screw 205 penetrates one side of the inner wall of the corresponding fixed rod 204 and extends to the surface of the corresponding fixed rod 204, the end of the lead screw 205 extending to the surface of the corresponding fixed rod 204 is fixedly connected with the knob 206.

[0024] The above embodiment achieves the technical effect that: when it is necessary to collect gas, first rotate one of the knobs 206, then the knob 206 drives the lead screw 205 to rotate, then the rotation of the lead screw 205 can promote the movable rod 203 to move away from the air inlet hole 13, so that the corresponding plugging head 202 unseals the air inlet hole 13, then start the motor 9 to promote the fan blade 10 to rotate, then the chemical gas can enter the opened gas collecting cavity 11 through the rotation of the fan blade 10, then rotate the knob 206 to promote the lead screw 205 to rotate and make the plugging head 202 move to the air inlet hole 13, until the plugging head 202 is clamped in the inside corresponding to the air inlet hole 13, so as to complete the sealing of the current gas collecting cavity 11, then the residual gas in the gas collecting cylinder 1 is discharged through the exhaust assembly 3, then the air inlet hole 13 on another gas collecting cavity 11 is opened, so that the chemical gas enters another gas collecting cavity 11, thereby completing the collection of the same kind of gas at different times or different kinds of gas. Embodiment

[0025] As shown in Figure 1 and Figure 4 , a chemical safety gas sampling device, including the whole content of embodiment 2, in addition, the exhaust assembly 3 includes a plurality of exhaust holes 305, the plurality of exhaust holes 305 are all arranged on the top surface of the inner wall of the gas collecting cylinder 1, the exhaust assembly 3 further includes the fixed shell 301, the bottom surface of the fixed shell 301 is fixedly connected with the top surface of the gas collecting cylinder 1, the inner wall of the fixed shell 301 is slidingly connected with the sealing plate 302, the top surface of the sealing plate 302 is rotatably connected with the pull ring 303, the bottom surface of the sealing plate 302 is fixedly connected with the rubber pad 304.

[0026] The technical effects achieved by the above-mentioned embodiment are that when the gas remaining in the gas collecting cylinder 1 needs to be discharged, the two gas inlet holes 13 are first blocked, the motor 9 is started, then the sealing plate 302 is unsealed from the plurality of gas outlet holes 305 by pulling the pull ring 303, and then the gas remaining in the gas collecting cylinder 1 is discharged through the gas outlet holes 305. Embodiment

[0027] As shown in Figure 1 and Figure 2 , a chemical safety gas sampling device comprises all contents of the embodiment 3, in addition, the top surface and the bottom surface of the gas collecting cylinder 1 are fixedly connected with two gas discharge pipes 6, the two gas discharge pipes 6 are communicated with the interiors of the corresponding gas collecting cavities 11 respectively, and the top surface of the gas collecting cylinder 1 is fixedly connected with a handle 5.

[0028] The technical effects achieved by the above-mentioned embodiment are that the gas collected in the two gas collecting cavities 11 can be discharged through the gas discharge pipes 6, and the device is convenient to take through the handle 5 arranged.

[0029] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A chemical safety gas sampling device, comprising a gas collector (1) and a battery (12) fixedly connected to the top surface of the gas collector (1), characterized in that: The inside of the gas collecting cylinder (1) is provided with two gas collecting cavities (11), one side of the inner wall of the two gas collecting cavities (11) is provided with an air inlet hole (13), the opposite side of the gas collecting cylinder (1) is fixedly connected with a mounting rack (4), the mounting rack (4) is provided with two control assemblies (2) which can move to block or unblock the air inlet hole (13), the top of the gas collecting cylinder (1) is provided with an exhaust assembly (3) which can exhaust the residual gas in the gas collecting cylinder (1), one end of the gas collecting cylinder (1) is fixedly connected with a filter screen (8), the opposite side of the inner wall of the gas collecting cylinder (1) is fixedly connected with a mounting plate (7), the top surface of the mounting plate (7) is fixedly connected with a motor (9), and the output end of the motor (9) is fixedly connected with a fan blade (10).

2. The chemical safety gas sampling device of claim 1, wherein: The control assembly (2) comprises a fixed rod (204), the surface of the fixed rod (204) is fixedly connected with the inner wall of the mounting rack (4), and one end of the fixed rod (204) penetrates one side of the gas collecting cylinder (1) and extends into the corresponding gas collecting cavity (11).

3. The chemical safety gas sampling device of claim 2, wherein: The control assembly (2) further comprises a movable rod (203), the surface of the movable rod (203) is slidably connected with the inner wall of the fixed rod (204), and one end of the movable rod (203) away from the corresponding fixed rod (204) is fixedly connected with a blocking head (202) made of rubber.

4. The chemical safety gas sampling device of claim 3, wherein: The control assembly (2) further comprises a lead screw (205), the rod wall of the lead screw (205) is threadedly connected with the inner wall of the corresponding movable rod (203), one end of the lead screw (205) penetrates one side of the inner wall of the corresponding fixed rod (204) and extends to the surface of the corresponding fixed rod (204), and one end of the lead screw (205) extending to the surface of the corresponding fixed rod (204) is fixedly connected with a knob (206).

5. The chemical safety gas sampling device of claim 1, wherein: The exhaust assembly (3) comprises a plurality of exhaust holes (305), and the plurality of exhaust holes (305) are formed in the top surface of the inner wall of the gas collecting cylinder (1).

6. The chemical safety gas sampling device of claim 5, wherein: The exhaust assembly (3) further comprises a fixed shell (301), the bottom surface of the fixed shell (301) is fixedly connected with the top surface of the gas collecting cylinder (1), the inner wall of the fixed shell (301) is slidably connected with a sealing plate (302), the top surface of the sealing plate (302) is rotatably connected with a pull ring (303), and the bottom surface of the sealing plate (302) is fixedly connected with a rubber pad (304).

7. The chemical safety gas sampling device of claim 1, wherein: The top surface and the bottom surface of the gas collecting cylinder (1) are fixedly connected with two air release pipes (6), and the two air release pipes (6) are respectively communicated with the inside of the corresponding gas collecting cavity (11).

8. The chemical safety gas sampling device of claim 1, wherein: The top surface of the gas collecting cylinder (1) is fixedly connected with a handle (5).

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