Chemical safe and environment-friendly gas sampling device

Abstract

The utility model relates to the technical field of chemical waste gas, and discloses a chemical safe and environment-friendly gas sampling device which comprises a bottom plate, a sampling mechanism is arranged above the bottom plate and comprises a sampling tank, a hydraulic rod is fixedly connected to the inner top wall of the sampling tank, the telescopic end of the hydraulic rod is fixedly connected with a rubber plate, and the rubber plate is fixedly connected with the bottom plate. The outer surface of the rubber plate makes contact with the inner wall of a sampling tank, the bottom end of the sampling tank is fixedly connected with the upper surface of the bottom plate, the top end of the sampling tank is fixedly connected with a control box, the inner wall of the control box is fixedly connected with a controller, and the bottom end of the sampling tank is fixedly communicated with an exhaust pipe and an air inlet pipe. According to the safe and environment-friendly chemical gas sampling device, the extensibility of a first hose can be matched with the extension characteristic of a first telescopic rod for extension, and a second hose can be matched with a second telescopic rod for extension, so that the problem that when the device is used, the concentration of collected chemical gas is not pure, and errors of a detection result are caused is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical waste gas, in particular to a chemical safety and environmental protection gas sampling device. Background Art

[0002] Chemical waste gas refers to toxic and harmful gases discharged by chemical plants during chemical production. Chemical waste gas often contains many types of pollutants with complex physical and chemical properties and different toxicities, which seriously pollute the environment and affect human health. The composition of chemical waste gas generated by different chemical production industries varies greatly. Therefore, it is necessary to inspect chemical waste gas, and safe and environmentally friendly gas sampling devices will be used in the sampling process.

[0003] The utility model with the existing authorization announcement number CN217542553U discloses a chemical safety and environmentally friendly gas sampling device, including a gas collection tank, a mobile base, an adjusting column one, an adjusting column two, an air intake hopper, a height adjustment mechanism and a distance adjustment mechanism. The rear end surface of the gas collection tank is fixedly connected to a connecting pipe and an exhaust pipe that are both connected to the interior of the gas collection tank and have valves, and the one side surface of the air intake hopper is fixedly connected to a mounting cylinder that is connected to the interior of the air intake hopper.

[0004] By adopting the above technical scheme, through the cooperation between the height adjustment mechanism, distance adjustment mechanism, connecting rod, air intake hopper, mounting tube, exhaust fan, air intake pipe and connecting pipe, the staff can collect and process the chemical waste gas away from the chemical waste gas outlet, thereby avoiding the chemical waste gas from causing harm to the staff's body due to close-range collection work. However, when sampling the waste gas, due to the presence of the piston, there must be air inside the gas collection tank in the above technical scheme, so the chemical waste gas collected into the gas collection tank will combine with the air, resulting in the composition of the collected gas is not accurate enough, and if the valve on the exhaust pipe is opened when collecting gas to displace the air inside the gas collection tank, the chemical waste gas may flow to the outside of the gas collection tank, and thus will be inhaled into the body by the staff outside the device, which is inconvenient.

[0005] Therefore, those skilled in the art provide a chemical safety and environmental protection gas sampling device to solve the problems raised in the above background technology. Utility Model Content

[0006] The purpose of the utility model is to provide a chemical safety and environmental protection gas sampling device to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A chemical safety and environmental protection gas sampling device comprises a bottom plate, and a sampling mechanism is arranged above the bottom plate;

[0009] The sampling mechanism includes a sampling tank, the inner top wall of the sampling tank is fixedly connected to a hydraulic rod, the telescopic end of the hydraulic rod is fixedly connected to a rubber plate, the outer surface of the rubber plate is in contact with the inner wall of the sampling tank, the bottom end of the sampling tank is fixedly connected to the upper surface of the bottom plate, the top of the sampling tank is fixedly connected to a control box, the inner wall of the control box is fixedly connected to a controller, the bottom end of the sampling tank is respectively fixedly connected to an exhaust pipe and an air inlet pipe, the outer surface of the exhaust pipe is fixedly connected to a first solenoid valve, the outer surface of the air inlet pipe is fixedly connected to a second solenoid valve, the top of the air inlet pipe is fixedly connected to a first hose, and the first hose The top of the tube is fixedly connected to a connecting tube, the end of the connecting tube away from the sampling tank is fixedly connected to a second hose, the end of the second hose away from the sampling tank is fixedly connected to an exhaust pipe, the outer surface of the exhaust pipe is fixedly connected to a third solenoid valve, the upper surface of the base plate is fixedly connected to two first telescopic rods, the telescopic ends of the two first telescopic rods are commonly fixedly connected to a rectangular block, the inner wall of the rectangular block is fixedly connected to the outer surface of the connecting tube, the front of the rectangular block is fixedly connected to two second telescopic rods, the telescopic ends of the two second telescopic rods are commonly fixedly connected to a long plate, and the inner wall of the long plate is fixedly connected to the outer surface of the exhaust pipe.

[0010] As a further solution of the utility model: two groups of supporting legs are fixedly connected to the bottom surface of the base plate, and two universal wheels are fixedly connected to the bottom surface of each group of supporting legs.

[0011] As a further solution of the utility model: the outer surface of the sampling tank is fixedly connected with a fixing seat, and the bottom surface of the fixing seat is fixedly connected to the upper surface of the bottom plate.

[0012] As a further solution of the utility model: a push handle is fixedly connected to the upper surface of the bottom plate, and the front side of the push handle is fixedly connected to the back side of the fixing seat.

[0013] As a further solution of the utility model: a movable door is movably hinged on the back of the control box, and a pulling handle is fixedly connected to the back of the movable door.

[0014] As a further solution of the utility model: an extension plate is fixedly connected to the upper surface of the long plate, a monitor is fixedly connected to the front surface of the extension plate, and the monitor is electrically connected to the controller through a wire.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model is provided with a sampling tank, a hydraulic rod, a rubber plate, a control box and a controller that cooperate with each other. The control box can provide protection for the controller so that the controller will not be damaged by external collisions, and the hydraulic rod can push the rubber plate to move, thereby squeezing the air inside the sampling tank, and then the exhaust pipe, the air inlet pipe, the first solenoid valve, the second solenoid valve, the first hose, the connecting pipe, the second hose, the first telescopic rod, the rectangular block, the second telescopic rod and the long plate are provided to cooperate with each other. The exhaust pipe, the first solenoid valve, the second solenoid valve and the air inlet pipe can determine the inlet and outlet of the gas inside the sampling tank. The ductility of the first hose itself can be extended in accordance with the telescopic characteristics of the first telescopic rod. Similarly, the second hose can be extended in accordance with the second telescopic rod. Therefore, chemical gases can be sampled at a long distance, thereby effectively avoiding the problem that the concentration of the collected chemical gas is impure when the device is in use, which leads to errors in the detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a chemical safety and environmental protection gas sampling device;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of a first hose in a chemical safety and environmental protection gas sampling device;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of a sampling tank in a chemical safety and environmental protection gas sampling device;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of a hydraulic rod in a chemical safety and environmental protection gas sampling device.

[0021] In the figure: 1. bottom plate; 2. sampling mechanism; 201. control box; 202. rectangular block; 203. second telescopic rod; 204. long board; 205. suction pipe; 206. second hose; 207. first telescopic rod; 208. sampling tank; 209. controller; 210. connecting pipe; 211. first hose; 212. second solenoid valve; 213. exhaust pipe; 214. first solenoid valve; 215. air inlet pipe; 216. rubber sheet; 217. hydraulic rod; 218. third solenoid valve; 3. supporting leg; 4. universal wheel; 5. fixing seat; 6. pushing handle; 7. extension plate; 8. monitor; 9. pulling handle; 10. movable door. DETAILED DESCRIPTION

[0022] See also Figure 1-4A chemical safety and environmental protection gas sampling device comprises a base plate 1, a sampling mechanism 2 is arranged above the base plate 1, the sampling mechanism 2 comprises a sampling tank 208, a hydraulic rod 217 is fixedly connected to the inner top wall of the sampling tank 208, a rubber plate 216 is fixedly connected to the telescopic end of the hydraulic rod 217, two groups of supporting legs 3 are fixedly connected to the bottom surface of the base plate 1, and two universal wheels 4 are fixedly connected to the bottom surface of each group of supporting legs 3. By providing the supporting legs 3 and the universal wheels 4, the device can be moved to a suitable position by the universal wheels 4, thereby reducing the friction between the device and the bottom surface when moving.

[0023] The outer surface of the rubber plate 216 contacts the inner wall of the sampling tank 208, the bottom end of the sampling tank 208 is fixedly connected to the upper surface of the base plate 1, the top of the sampling tank 208 is fixedly connected to the control box 201, the outer surface of the sampling tank 208 is fixedly connected to the fixing seat 5, the bottom surface of the fixing seat 5 is fixedly connected to the upper surface of the base plate 1, and by providing the fixing seat 5, the sampling tank 208 can be fixed by the fixing seat 5 to ensure that the sampling tank 208 will not fall over due to shaking during operation.

[0024] The inner wall of the control box 201 is fixedly connected with a controller 209, the bottom end of the sampling tank 208 is fixedly connected with an exhaust pipe 213 and an air inlet pipe 215 respectively, the outer surface of the exhaust pipe 213 is fixedly connected with a first solenoid valve 214, the outer surface of the air inlet pipe 215 is fixedly connected with a second solenoid valve 212, and the upper surface of the bottom plate 1 is fixedly connected with a push handle 6, the front side of the push handle 6 is fixedly connected to the back side of the fixing seat 5, and by providing the push handle 6, the device can be pushed to move by using the push handle 6, thereby facilitating the application of thrust to the device.

[0025] The top of the air inlet pipe 215 is fixedly connected to the first hose 211, the top of the first hose 211 is fixedly connected to the connecting pipe 210, the end of the connecting pipe 210 away from the sampling tank 208 is fixedly connected to the second hose 206, the end of the second hose 206 away from the sampling tank 208 is fixedly connected to the exhaust pipe 205, the outer surface of the exhaust pipe 205 is fixedly connected to the third solenoid valve 218, the upper surface of the base plate 1 is fixedly connected to two first telescopic rods 207, the telescopic ends of the two first telescopic rods 207 are commonly fixedly connected to the rectangular block 202, the inner wall of the rectangular block 202 is fixedly connected to the outer surface of the connecting pipe 210, the back of the control box 201 is movably hinged with a movable door 10, the back of the movable door 10 is fixedly connected with a pulling handle 9, by providing the pulling handle 9 and the movable door 10, the movable door 10 can be opened by pulling the handle 9, so as to facilitate the operation of the device inside the control box 201.

[0026] Two second telescopic rods 203 are fixedly connected to the front of the rectangular block 202, and the telescopic ends of the two second telescopic rods 203 are commonly fixedly connected to a long plate 204. The inner wall of the long plate 204 is fixedly connected to the outer surface of the exhaust pipe 205, and the upper surface of the long plate 204 is fixedly connected to an extension plate 7. The front of the extension plate 7 is fixedly connected to a monitor 8. The monitor 8 is electrically connected to the controller 209 through a wire. By providing the monitor 8, the moving position of the exhaust pipe 205 can be observed through the monitor 8, thereby facilitating adjustment.

[0027] The working principle of the utility model is as follows: when in use, firstly, the first telescopic rod 207, the second telescopic rod 203, the first solenoid valve 214, the second solenoid valve 212, the third solenoid valve 218, the hydraulic rod 217 and the controller 209 are respectively connected to the power supply. When the power supply is connected, the device can be used normally. When the device needs to be used, the device can be pushed to a suitable position by pushing the handle 6, and then the second telescopic rod 203 is controlled to push the exhaust pipe 205 to move toward the chemical gas. The monitor 8 fixed on the front of the extension plate 7 can be used to watch the movement of the exhaust pipe 205 in real time, and the first The telescopic rod 207 adjusts the height of the air extraction pipe 205, and then controls the first solenoid valve 214 to open, so that the internal space of the sampling tank 208 is connected with the outside world. When the space is connected, the rubber plate 216 can be pushed downward by the hydraulic rod 217, and the air inside the sampling tank 208 is pushed out to the outside world by the rubber plate 216. Then, the first solenoid valve 214 is closed and the second solenoid valve 212 is opened, so that the space inside the sampling tank 208 is connected with the air inlet pipe 215, the first hose 211, the connecting pipe 210 and the second hose 206. Then, the hydraulic rod 217 is retracted to drive the rubber plate 216 to move upward. Thus, the gas in the internal space connected by the air inlet pipe 215, the first hose 211, the connecting pipe 210 and the second hose 206 can be drawn into the interior of the sampling tank 208, and then the second solenoid valve 212 and the first solenoid valve 214 are closed again to exhaust the air inside the sampling tank 208, and then the first solenoid valve 214 is closed. At this time, the internal space of the sampling tank 208, the air inlet pipe 215, the first hose 211, the connecting pipe 210 and the second hose 206 are all in a negative pressure state, and then the third solenoid valve 218 and the second solenoid valve 212 are controlled to open to draw the chemical gas into the interior of the sampling tank 208 That's it. Note that when collecting chemical gases, the hydraulic rod 217 should be retracted to half, and then the third solenoid valve 218 should be closed and then retracted again to draw the chemical gases inside the air inlet pipe 215, the first hose 211, the connecting pipe 210 and the second hose 206 into the sampling tank 208. Then the second solenoid valve 212 is closed and the third solenoid valve 218 is opened to ensure that there will be no leakage of chemical gases, thereby preventing the chemical gases from mixing with the air inside the sampling tank 208 during the collection process, resulting in impure concentration of the collected chemical gases and errors in the detection results.

[0028] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A chemical safety and environmental protection gas sampling device, comprising a bottom plate (1), characterized in that: A sampling mechanism (2) is provided above the bottom plate (1); The sampling mechanism (2) comprises a sampling tank (208), the inner top wall of the sampling tank (208) is fixedly connected to a hydraulic rod (217), the telescopic end of the hydraulic rod (217) is fixedly connected to a rubber plate (216), the outer surface of the rubber plate (216) is in contact with the inner wall of the sampling tank (208), the bottom end of the sampling tank (208) is fixedly connected to the upper surface of the bottom plate (1), and the top end of the sampling tank (208) is fixedly connected to a control box (201 ), the inner wall of the control box (201) is fixedly connected to a controller (209), the bottom end of the sampling tank (208) is fixedly connected to an exhaust pipe (213) and an air inlet pipe (215), the outer surface of the exhaust pipe (213) is fixedly connected to a first solenoid valve (214), the outer surface of the air inlet pipe (215) is fixedly connected to a second solenoid valve (212), the top end of the air inlet pipe (215) is fixedly connected to a first hose (211), and the first The top of the hose (211) is fixedly connected to a connecting pipe (210), and the end of the connecting pipe (210) away from the sampling tank (208) is fixedly connected to a second hose (206), and the end of the second hose (206) away from the sampling tank (208) is fixedly connected to an exhaust pipe (205), and the outer surface of the exhaust pipe (205) is fixedly connected to a third solenoid valve (218). Two first telescopic rods (207) are fixedly connected to the upper surface of the base plate (1), and the telescopic ends of the two first telescopic rods (207) are fixedly connected to a rectangular block (202), and the inner wall of the rectangular block (202) is fixedly connected to the outer surface of the connecting pipe (210). Two second telescopic rods (203) are fixedly connected to the front of the rectangular block (202), and the telescopic ends of the two second telescopic rods (203) are fixedly connected to a long plate (204), and the inner wall of the long plate (204) is fixedly connected to the outer surface of the exhaust pipe (205).

2. A chemical safety and environmental protection gas sampling device according to claim 1, characterized in that: Two groups of support legs (3) are fixedly connected to the bottom surface of the base plate (1), and two universal wheels (4) are fixedly connected to the bottom surface of each group of support legs (3).

3. A chemical safety and environmental protection gas sampling device according to claim 1, characterized in that: The outer surface of the sampling tank (208) is fixedly connected to a fixing seat (5), and the bottom surface of the fixing seat (5) is fixedly connected to the upper surface of the bottom plate (1).

4. A chemical safety and environmental protection gas sampling device according to claim 3, characterized in that: A push handle (6) is fixedly connected to the upper surface of the base plate (1), and the front side of the push handle (6) is fixedly connected to the back side of the fixing seat (5).

5. A chemical safety and environmental protection gas sampling device according to claim 1, characterized in that: A movable door (10) is movably hinged on the back of the control box (201), and a pulling handle (9) is fixedly connected to the back of the movable door (10).

6. A chemical safety and environmental protection gas sampling device according to claim 1, characterized in that: An extension plate (7) is fixedly connected to the upper surface of the long plate (204), a monitor (8) is fixedly connected to the front surface of the extension plate (7), and the monitor (8) is electrically connected to the controller (209) via a wire.

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