CN114739754A - Chemical industry safety ring protects gaseous sampling device - Google Patents
Chemical industry safety ring protects gaseous sampling device Download PDFInfo
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- CN114739754A CN114739754A CN202210152636.2A CN202210152636A CN114739754A CN 114739754 A CN114739754 A CN 114739754A CN 202210152636 A CN202210152636 A CN 202210152636A CN 114739754 A CN114739754 A CN 114739754A
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- 238000005070 sampling Methods 0.000 title claims abstract description 26
- 239000000126 substance Substances 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 38
- 238000005057 refrigeration Methods 0.000 claims description 19
- 239000004065 semiconductor Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000007613 environmental effect Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 204
- 230000000694 effects Effects 0.000 description 9
- 210000002445 nipple Anatomy 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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Abstract
The invention discloses a chemical safety environment-friendly gas sampling device, which relates to the technical field of gas detection, and adopts the technical scheme that: the box comprises a box body and an electric control device, wherein the top of the electric control device is connected with the bottom of the box body, and a gas collecting pipe, a limiting box body, a pressure relief device and a plurality of air inlet devices are arranged in the box body; one side of the limiting box body is provided with an opening, a plurality of supporting plates are arranged in the limiting box body along the height direction, and a plurality of first sliding grooves are formed between the supporting plates and the limiting box body; and a plurality of first sliding grooves are internally provided with gas collecting devices which can slide in the first sliding grooves. The gas sampling device can cool the collected gas, so that the gas is more stable under a low-temperature condition, the pressure in the gas collecting box is reduced, and the safety is improved; meanwhile, the gas sampling device can conveniently obtain sampled gas by drawing the gas collecting box, so that the sampling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of gas detection, in particular to a chemical safety environment-friendly gas sampling device.
Background
The chemical industry is an enterprise and a unit engaged in production and development of the chemical industry, and chemical products can generate a large amount of toxic substances in various links such as processing, storage, use, waste treatment and the like to influence the ecological environment and endanger the health of human beings, so that chemical gas needs to be detected to prevent the excessive toxic gas from influencing the life safety of workers.
At present, when gas of a chemical industry enterprise is sampled and detected, a pressurizing mode is usually adopted to fill the gas into a collecting box body, but because the type of the gas is uncertain, the collected mixed gas can be unstable to cause reaction; in addition, because gas density can reduce when being heated, the pressure in the collection box can greatly increased, when the staff gathered gas, can have certain potential safety hazard.
Disclosure of Invention
The invention aims to provide a chemical safety environment-friendly gas sampling device, which can cool collected gas, so that the gas is more stable under a low-temperature condition, the pressure in a gas collecting box is reduced, and the safety is improved; meanwhile, the gas sampling device can conveniently obtain sampled gas by drawing the gas collecting box, so that the sampling efficiency is improved.
The technical purpose of the invention is realized by the following technical scheme: a chemical safety environment-friendly gas sampling device comprises a box body and an electric control device, wherein the top of the electric control device is connected with the bottom of the box body, and a gas collecting pipe, a limiting box body, a pressure relief device and a plurality of gas inlet devices are arranged in the box body; one side of the limiting box body is provided with an opening, a plurality of supporting plates are arranged in the limiting box body along the height direction, and a plurality of first sliding grooves are formed between the supporting plates and the limiting box body; a plurality of first sliding grooves are internally provided with a gas collecting device which can slide in the first sliding grooves, and the gas inlet ends of the gas collecting devices penetrate through the side wall of the limiting box body and are connected with the gas collecting pipe; the air outlet ends of the air inlet devices and the air inlet ends of the pressure relief devices are connected with the air collecting pipes, and the air inlet ends of the air inlet devices penetrate through the side wall of the box body and are positioned outside the box body; a gas detection sensor is arranged in the gas collecting pipe;
the gas collecting device comprises a gas collecting box, a handle, a refrigerating device, an air suction pipe, a one-way flow device and a sliding sealing device; the gas collecting box is connected with two side walls of the first sliding groove in a sliding mode, the refrigerating device is embedded in the side wall, close to an opening of the first sliding groove, of the gas collecting box, the side wall, far away from the refrigerating device, of the gas collecting box is connected with the air suction pipe, the unidirectional flow device is located in the air suction pipe, and the unidirectional flow device is fixedly connected with the inner side wall of the air suction pipe; the side wall of the gas collecting pipe, which is close to the limiting box body, is provided with a plurality of inserting holes penetrating through the side wall of the gas collecting pipe and a plurality of second sliding grooves in the vertical direction, and the tops of the inserting holes are respectively communicated with the bottoms of the second sliding grooves; the sliding sealing device is positioned in the second sliding groove and the inserting hole and is connected with the second sliding groove in a sliding mode; the handle is fixedly connected with the outer side wall of the gas collecting box;
the refrigerating device comprises a plurality of refrigerating semiconductors, two heat conducting plates and two groups of radiating columns; the two ends of the plurality of refrigeration semiconductors are respectively fixedly connected with the side walls of the two heat-conducting plates, the plurality of refrigeration semiconductors and the two heat-conducting plates are embedded in the side wall of the gas collection box, the side walls, away from the refrigeration semiconductors, of the two heat-conducting plates are respectively and fixedly connected with two groups of heat dissipation columns, the two groups of heat dissipation columns are respectively located on the inner side and the outer side of the gas collection box, and each of the two groups of heat dissipation columns is composed of a plurality of heat dissipation columns;
the sliding sealing device comprises a pressure sensor, a second spring and a sealing plate; the top of the pressure sensor is fixedly connected with the top of the second sliding groove, the bottom of the pressure sensor is fixedly connected with the top of the second spring, the bottom of the second spring is fixedly connected with the top of the sealing plate, the side wall, close to the air suction pipe, of the sealing plate is arc-shaped, and the sealing plate is movably connected with the inner side wall of the second sliding groove; the end part of the air suction pipe, which is far away from the gas collecting box, is in contact with the side wall of the sealing plate.
By adopting the technical scheme, the refrigeration device is embedded on the side wall of the gas collection box, so that the temperature of the gas collection box can be reduced through the refrigeration device, the collected gas is more stable, the pressure in the gas collection box is reduced, and the safety of gas collection is improved; a sliding sealing device is arranged in the second sliding groove, so that when the gas collecting box is pumped out, the sliding sealing device can directly seal the gas collecting pipe to prevent gas leakage, and an operator can conveniently obtain sampled gas; the gas collection boxes are movably arranged in the limiting box body, and the gas inlet devices are arranged, so that different gases at different positions can be extracted at the same time, and the effect of gas comparison is achieved; through installing gaseous detection sensor in the gas collecting pipe, can pour into gas respectively into different gas collecting box according to gaseous pH value, reach the effect of carrying out the contrast to gas.
The invention is further configured to: the one-way flow device comprises a baffle I, a baffle II, a fixed plate and a spring I; the fixing plate and the baffle plate II are fixedly connected with the inner side wall of the air suction pipe, a plurality of first vent holes penetrating through the side wall of the fixing plate are formed in the fixing plate, the side wall of the fixing plate is fixedly connected with the end part of the spring I, and the end part, far away from the fixing plate, of the spring I is fixedly connected with the side wall of the baffle plate I; and a second air hole penetrating through the second baffle is formed in the round part of the second baffle, the second baffle is positioned between the first baffle and the fixed plate, and the side wall of the second baffle is in contact with the side wall of the first baffle.
By adopting the technical scheme, the first baffle is tightly attached to the second baffle, and the first baffle is fixedly connected with the first spring, so that the first baffle and the second baffle can be tightly attached to block the second vent under the action of the pulling force of the first spring; when negative pressure is formed in the limiting box body, the baffle pulls the first spring to be separated from the second baffle for a while, so that sampled gas can flow into the gas collecting box from the gas collecting pipe in a one-way mode, and the effect of one-way flow is achieved.
The invention is further configured to: the air inlet device comprises an air inlet pipe, an air suction pump and a connecting pipe; the end part of the connecting pipe is connected with the gas collecting pipe, the end part, far away from the gas collecting pipe, of the connecting pipe is connected with the gas outlet end of the air extracting pump, the end part of the air inlet pipe is connected with the gas inlet end of the air extracting pump, and the end part, far away from the air extracting pump, of the air inlet pipe penetrates through the box body and is located outside the box body.
Through adopting above-mentioned technical scheme, the aspiration pump can be with the gaseous suction gas collecting pipe outside the case body to send the sample gas into in the gas collecting box.
The invention is further configured to: the pressure relief device comprises a pressure relief pipe, a pressure relief pump and an air outlet pipe; the end part of the pressure relief pipe is connected with the gas collecting pipe, the end part, far away from the gas collecting pipe, of the pressure relief pipe is connected with the inlet end of the pressure relief pump, the end part of the gas outlet pipe is connected with the gas outlet end of the pressure relief pump, and the end part, far away from the pressure relief pump, of the gas outlet pipe penetrates through the box body and is located outside the box body.
Through adopting above-mentioned technical scheme, through installing the pressure release pipe on the discharge, when the pressure in the gas collecting box is higher, the accessible pressure release pump is with the outside of unnecessary gas discharge case body.
The invention is further configured to: the electric control device comprises a control box body, a motor, a wireless transmission device and a control processor; the control box is located under the box body, the motor is fixedly connected with the top of the control box, the output end of the motor penetrates through the top of the control box and is fixedly connected with the bottom of the box body, and the wireless transmission device and the control processor are both located in the control box.
By adopting the technical scheme, the control processor and the wireless transmission device are arranged in the control box body, so that the gas data can be remotely monitored and collected.
The invention is further configured to: the bottom of control box is equipped with four bracing pieces, four the bottom of bracing piece all is equipped with the universal wheel.
Through adopting above-mentioned technical scheme, at the bottom installation universal wheel of bracing piece, can place sampling device and carry out gas sampling at the assigned position.
The invention is further configured to: the lateral wall of gas collection box is equipped with a plurality of air cocks of variation in size, and is a plurality of the air cock is located the same lateral wall of gas collection box with the handle.
Through adopting above-mentioned technical scheme, through the lateral wall installation air cock at gas collecting box, can insert in the gas collecting box according to the check out test set of different thicknesses is direct through the air cock to carry out gaseous detection, and insert through the air cock, can not the pressure release, when taking check out test set, the air cock can directly be sealed, prevents gas leakage, has improved detection efficiency greatly.
In conclusion, the invention has the following beneficial effects:
1. the refrigeration device is embedded in the side wall of the gas collecting box, so that the temperature of the gas collecting box can be reduced through the refrigeration device, the collected gas is more stable, the pressure in the gas collecting box is reduced, and the safety of gas collection is improved;
2. a sliding sealing device is arranged in the second sliding groove, so that when the gas collecting box is pumped out, the sliding sealing device can directly seal the gas collecting pipe to prevent gas leakage, and an operator can conveniently obtain sampled gas;
3. the gas collection boxes are movably arranged in the limiting box body, and the gas inlet devices are arranged, so that different gases at different positions can be extracted at the same time, and the effect of gas comparison is achieved;
4. through installing gaseous detection sensor in the gas collecting pipe, can pour into gas respectively into different gas collecting box according to gaseous pH value, reach the effect of carrying out the contrast to gas.
Drawings
FIG. 1 is a cross-sectional view of a chemical safety environmental protection gas sampling device according to an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is an enlarged view at C of FIG. 1;
FIG. 5 is a front view of a retainer box in an embodiment of the invention.
In the figure: 1. a tank body; 2. an air inlet pipe; 3. a limiting box body; 4. a handle; 5. a support plate; 6. a gas collection box; 7. a wireless transmission device; 8. a control processor; 9. a support bar; 10. a universal wheel; 11. a motor; 12. a control box body; 13. a gas detection sensor; 14. an air intake duct; 15. an air outlet pipe; 16. a pressure relief pump; 17. a pressure relief pipe; 18. a gas collecting pipe; 19. a connecting pipe; 20. an air pump; 21. a refrigeration semiconductor; 22. a heat conducting plate; 23. a heat-dissipating column; 24. a second vent hole; 25. a second baffle plate; 26. a first spring; 27. a fixing plate; 28. a first vent hole; 29. a first baffle plate; 30. inserting holes; 31. a sealing plate; 32. a second spring; 33. a pressure sensor; 34. a second chute; 35. an air faucet; 36. the first sliding groove.
Detailed Description
The present invention is described in further detail below with reference to figures 1-5.
Example (b): a chemical industry safety environmental protection gas sampling device is shown in figures 1 to 5 and comprises a box body 1 and an electric control device, wherein the top of the electric control device is movably connected with the bottom of the box body 1, and a gas collecting pipe 18, a limiting box body 3, a pressure relief device and a plurality of gas inlet devices are arranged in the box body 1; one side of the limiting box body 3 is provided with an opening, a plurality of supporting plates 5 are fixedly arranged in the limiting box body 3 along the height direction, and a plurality of first sliding grooves 36 are formed between the supporting plates 5 and the limiting box body 3; gas collecting devices capable of sliding in the first sliding grooves 36 are installed in the first sliding grooves 36, and gas inlet ends of the gas collecting devices penetrate through the side wall of the limiting box body 3 and are communicated with the gas collecting pipe 18; the air outlet ends of the air inlet devices and the air inlet ends of the pressure relief devices are communicated with the air collecting pipe 18, and the air inlet ends of the air inlet devices penetrate through the side wall of the box body 1 and are positioned outside the box body 1; a gas detection sensor 13 is fixedly arranged in the gas collecting pipe 18;
the gas collecting device comprises a gas collecting box 6, a handle 4, a refrigerating device, an air suction pipe 14, a one-way flow device and a sliding sealing device; as shown in fig. 5, the gas collection box 6 is slidably connected to two side walls of the first sliding chute 36, the refrigerating device is embedded in the side wall of the gas collection box 6 near the opening of the first sliding chute 36, the side wall of the gas collection box 6 far away from the refrigerating device is communicated with the air suction pipe 14, the unidirectional flow device is located in the air suction pipe 14, and the unidirectional flow device is fixedly connected to the inner side wall of the air suction pipe 14; the side wall of the gas collecting pipe 18 close to the limiting box body 3 is provided with a plurality of inserting holes 30 penetrating through the side wall of the gas collecting pipe 18 and a plurality of second sliding grooves 34 in the vertical direction, as shown in fig. 4, the tops of the plurality of inserting holes 30 are respectively communicated with the bottoms of the plurality of second sliding grooves 34; the sliding sealing device is positioned in the second sliding groove 34 and the inserting hole 30 and is connected with the second sliding groove 34 in a sliding manner; the handle 4 is fixedly connected with the outer side wall of the gas collecting box 6;
the refrigerating device comprises a plurality of refrigerating semiconductors 21, two heat-conducting plates 22 and two groups of radiating columns 23; the two ends of the plurality of refrigeration semiconductors 21 are respectively fixedly connected with the side walls of the two heat-conducting plates 22, the plurality of refrigeration semiconductors 21 and the two heat-conducting plates 22 are all embedded in the side wall of the gas collection box 6, the side walls, far away from the refrigeration semiconductors 21, of the two heat-conducting plates 22 are respectively and fixedly connected with the two groups of heat-radiating columns 23, the two groups of heat-radiating columns 23 are respectively positioned on the inner side and the outer side of the gas collection box 6, and the two groups of heat-radiating columns 23 are respectively composed of the plurality of heat-radiating columns 23;
the sliding sealing device comprises a pressure sensor 33, a second spring 32 and a sealing plate 31; the top of the pressure sensor 33 is fixedly connected with the top of the second sliding chute 34, the bottom of the pressure sensor 33 is fixedly connected with the top of the second spring 32, the bottom of the second spring 32 is fixedly connected with the top of the sealing plate 31, the side wall, close to the air suction pipe 14, of the sealing plate 31 is arc-shaped, and the sealing plate 31 is movably connected with the inner side wall of the second sliding chute 34; the end part of the air suction pipe 14 far away from the gas collecting box 6 is contacted with the side wall of the sealing plate 31;
the air inlet device comprises an air inlet pipe 2, an air suction pump 20 and a connecting pipe 19; the end part of the connecting pipe 19 is connected with the gas collecting pipe 18, the end part of the connecting pipe 19 far away from the gas collecting pipe 18 is communicated with the gas outlet end of the air extracting pump 20, the end part of the gas inlet pipe 2 is communicated with the gas inlet end of the air extracting pump 20, and the end part of the gas inlet pipe 2 far away from the air extracting pump 20 penetrates through the box body 1 and is positioned outside the box body 1;
the pressure relief device comprises a pressure relief pipe 17, a pressure relief pump 16 and an air outlet pipe 15; the end part of the pressure relief pipe 17 is connected with the gas collecting pipe 18, the end part of the pressure relief pipe 17 far away from the gas collecting pipe 18 is communicated with the inlet end of the pressure relief pump 16, the end part of the gas outlet pipe 15 is communicated with the gas outlet end of the pressure relief pump 16, and the end part of the gas outlet pipe 15 far away from the pressure relief pump 16 penetrates through the box body 1 and is positioned outside the box body 1;
the electric control device comprises a control box body 12, a motor 11, a wireless transmission device 7 and a control processor 8; the control box body 12 is located under the box body 1, the motor 11 is fixedly connected with the top of the control box body 12, the output end of the motor 11 penetrates through the top of the control box body 12 and is fixedly connected with the bottom of the box body 1, and the wireless transmission device 7 and the control processor 8 are both located in the control box body 12.
In this embodiment, when an operator needs to collect gas at a specific position, the sampling device is moved to the specific position, sampling is started by clicking a mobile terminal, information is transmitted to the wireless transmission device 7 through a network, the wireless transmission device 7 transmits the information to the control processor 8, the control processor 8 adjusts the air pump 20 to pump air, air outside the box body 1 enters from the air inlet pipe 2 under the action of the air pump 20 and enters the gas collecting pipe 18 through the connecting pipe 19, at this time, the plugging hole 30 is blocked by the sealing plate 31, in order to ensure pressure balance in the gas collecting pipe 18, the control processor 8 simultaneously opens the pressure relief pump 16 to relieve pressure, the collected gas is discharged outside the box body 1 through the pressure relief pipe 17, at this time, the gas inlet and outlet flows of the gas collecting pipe 18 are the same, the pressure position is constant, at this time, the gas detection sensor 13 can sense the PH value of the gas, the PH value is transmitted to a control processor 8, and the value is transmitted to the mobile terminal through a wireless transmission device 7; after observing that the pH value is stable, an operator moves the gas collection box 6 into the first sliding groove 36, moves the gas collection box 6 into the insertion hole 30, finally contacts with the sealing plate 31, and continues to push inwards, because the sealing plate 31 is an arc surface close to the air suction pipe 14, when the sealing plate 31 is pressed, the sealing plate 31 can move upwards along the second sliding groove 34 and press the second spring 32, the elastic value of the second spring 32 can be increased, after the pressure value sensed by the pressure sensor 33 reaches a specified size, the control processor 8 judges that the air suction pipe 14 is completely communicated with the air collection pipe 18, and the sealing plate 31 completely leaves the insertion hole 30; the control processor 8 immediately stops the operation of the pressure relief pump 16, when the gas enters the suction pipe 14 and passes through the one-way flow device into the gas collection tank 6; meanwhile, the control processor 8 is used for electrifying the refrigeration semiconductor 21, the end part of the refrigeration semiconductor 21 close to the inside of the gas collection box 6 can generate cold, the other end of the refrigeration semiconductor 21 generates heat, the cold is transmitted into the gas collection box 6 through the heat conduction plate 22 and the heat dissipation column 23, and the generated heat is transmitted to the outside of the gas collection box 6 through the other heat conduction plate 22 and the other group of heat dissipation columns 23; the cold energy is used for cooling the gas in the gas collecting box 6, so that the pressure in the gas collecting box 6 can be reduced, the safety of the gas collecting box 6 is guaranteed, when the pressure in the gas collecting box 6 reaches a specified value, the one-way flow device can block redundant gas from entering the gas collecting box 6, the handle 4 is pulled at the moment to pull out the gas collecting box 6, the sealing plate 31 moves downwards under the action of the elastic force of the second spring 32 to block the plug hole 30, the gas is left in the gas collecting pipe 18, the pressure sensor 33 senses the pressure to return to an initial value at the moment, the processor 8 is controlled to adjust the pressure relief pump 16 again to relieve the pressure, and the redundant gas is discharged from the gas outlet pipe 15; when a researcher needs to detect gas, the gas detector can be inserted into the gas nipple 35, the detector head enters the gas collection box 6, the detector is pulled out after detection, and the gas nipple 35 can be automatically blocked due to the pressure in the gas collection box 6, so that gas leakage is prevented; as shown in fig. 5, there are a plurality of air nozzles 35, and the sizes of the air nozzles are different from each other, so as to be suitable for detectors with different sizes.
The one-way flow device comprises a first baffle plate 29, a second baffle plate 25, a fixed plate 27 and a first spring 26; the fixing plate 27 and the baffle plate 25 are fixedly connected with the inner side wall of the air suction pipe 14, a plurality of vent holes 28 penetrating through the side wall of the fixing plate 27 are formed in the fixing plate 27, the side wall of the fixing plate 27 is fixedly connected with the end part of the spring I26, and the end part, far away from the fixing plate 27, of the spring I26 is fixedly connected with the side wall of the baffle plate I29; the circular part of the second baffle plate 25 is provided with a second vent hole 24 penetrating through the second baffle plate 25, the second baffle plate 25 is positioned between the first baffle plate 29 and the fixing plate 27, and the side wall of the second baffle plate 25 is in contact with the side wall of the first baffle plate 29.
In this embodiment, the above-mentioned specific implementation manner of passing the sampling gas through the unidirectional flow device is to pass through the vent hole of the fixing plate 27, and due to the effect of the pressure, the first baffle 29 blows towards the gas collecting box 6, at this time, the first baffle 29 is separated from the second baffle 25, at this time, two sides of the unidirectional flow device are through, and the gas can enter into the gas collecting box 6; when the pressure in the gas collection box 6 is higher than the pressure in the gas collecting pipe 18, the first baffle 29 is under the action of the pulling force of the first spring 26, the first baffle 29 is tightly attached to the second baffle 25, the sampled gas is completely in the gas collection box 6, and the greater the pressure in the gas is, the tighter the first baffle 29 is attached to the second baffle 25.
Four support rods 9 are fixedly mounted at the bottom of the control box 12, and universal wheels 10 are mounted at the bottoms of the four support rods 9.
In the present embodiment, the operator can move the sampling device to a designated position conveniently by installing four universal wheels 10 on the bottom of the control box 12.
The side wall of the gas collecting box 6 is provided with a plurality of gas nozzles 35 with different sizes which penetrate through the side wall of the gas collecting box 6, and the plurality of gas nozzles 35 and the handle 4 are positioned on the same side wall of the gas collecting box 6.
In this embodiment, when passing through the gas nipple 35 with the detector, can directly detect the gas in the gas collecting box 6, and the gas nipple 35 can receive the automatic jam of the effect of gas pressure in the gas collecting box 6 after pulling out, when passing the gassing needle, can emit the gas in the gas collecting box 6.
The working principle is as follows: the refrigeration device is embedded in the side wall of the gas collection box 6, so that the temperature of the gas collection box 6 can be reduced through the refrigeration device, the collected gas is more stable, the pressure in the gas collection box 6 is reduced, and the safety of gas collection is improved; a sliding sealing device is arranged in the second sliding groove 34, so that when the gas collecting box 6 is drawn out, the sliding sealing device can directly seal the gas collecting pipe 18 to prevent gas leakage, and an operator can conveniently obtain sampled gas; the gas collection boxes 6 are movably arranged in the limiting box body 3, and the gas inlet devices are arranged, so that different gases at different positions can be extracted at the same time, and the effect of gas comparison is achieved; by installing the gas detection sensor 13 in the gas collecting pipe 18, gas can be respectively injected into different gas collecting boxes 6 according to the PH value of the gas, so that the effect of gas comparison is achieved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a gaseous sampling device of chemical industry safety ring protects, includes case body (1) and electrically controlled device, electrically controlled device's top is connected characterized by with the bottom of case body (1): a gas collecting pipe (18), a limiting box body (3), a pressure relief device and a plurality of air inlet devices are arranged in the box body (1); one side of the limiting box body (3) is provided with an opening, a plurality of supporting plates (5) are arranged in the limiting box body (3) along the height direction, and a plurality of first sliding grooves (36) are formed between the supporting plates (5) and the limiting box body (3); a plurality of gas collecting devices which can slide in the first sliding chutes (36) are arranged in the first sliding chutes (36), and the gas inlet ends of the plurality of gas collecting devices penetrate through the side wall of the limiting box body (3) and are connected with the gas collecting pipe (18); the air outlet ends of the air inlet devices and the air inlet ends of the pressure relief devices are connected with the air collecting pipes (18), and the air inlet ends of the air inlet devices penetrate through the side wall of the box body (1) and are located outside the box body (1); a gas detection sensor (13) is arranged in the gas collecting pipe (18);
the gas collecting device comprises a gas collecting box (6), a handle (4), a refrigerating device, a gas suction pipe (14), a one-way flow device and a sliding sealing device; the gas collecting box (6) is connected with two side walls of the first sliding groove (36) in a sliding mode, the refrigerating device is embedded in the side wall, close to the opening of the first sliding groove (36), of the gas collecting box (6), the side wall, far away from the refrigerating device, of the gas collecting box (6) is connected with the air suction pipe (14), the unidirectional flow device is located in the air suction pipe (14), and the unidirectional flow device is fixedly connected with the inner side wall of the air suction pipe (14); the side wall of the gas collecting pipe (18) close to the limiting box body (3) is provided with a plurality of inserting holes (30) penetrating through the side wall of the gas collecting pipe (18) and a plurality of second sliding grooves (34) in the vertical direction, and the tops of the inserting holes (30) are respectively communicated with the bottoms of the second sliding grooves (34); the sliding sealing device is positioned in the second sliding groove (34) and the inserting hole (30), and is in sliding connection with the second sliding groove (34); the handle (4) is fixedly connected with the outer side wall of the gas collecting box (6);
the refrigerating device comprises a plurality of refrigerating semiconductors (21), two heat-conducting plates (22) and two groups of heat-radiating columns (23); the two ends of the refrigeration semiconductors (21) are fixedly connected with the side walls of the two heat-conducting plates (22) respectively, the refrigeration semiconductors (21) and the two heat-conducting plates (22) are embedded in the side wall of the gas collection box (6), the side walls, far away from the refrigeration semiconductors (21), of the two heat-conducting plates (22) are fixedly connected with two groups of heat dissipation columns (23) respectively, the two groups of heat dissipation columns (23) are located on the inner side and the outer side of the gas collection box (6) respectively, and the two groups of heat dissipation columns (23) are formed by the heat dissipation columns (23);
the sliding sealing device comprises a pressure sensor (33), a second spring (32) and a sealing plate (31); the top of the pressure sensor (33) is fixedly connected with the top of the second sliding groove (34), the bottom of the pressure sensor (33) is fixedly connected with the top of the second spring (32), the bottom of the second spring (32) is fixedly connected with the top of the sealing plate (31), the side wall, close to the air suction pipe (14), of the sealing plate (31) is arc-shaped, and the sealing plate (31) is movably connected with the inner side wall of the second sliding groove (34); the end of the air suction pipe (14) far away from the gas collecting box (6) is in contact with the side wall of the sealing plate (31).
2. The chemical safety and environmental protection gas sampling device of claim 1, which is characterized in that: the one-way flow device comprises a first baffle plate (29), a second baffle plate (25), a fixing plate (27) and a first spring (26); the fixing plate (27) and the baffle II (25) are fixedly connected with the inner side wall of the air suction pipe (14), a plurality of vent holes I (28) penetrating through the side wall of the fixing plate (27) are formed in the fixing plate (27), the side wall of the fixing plate (27) is fixedly connected with the end part of the spring I (26), and the end part, far away from the fixing plate (27), of the spring I (26) is fixedly connected with the side wall of the baffle I (29); and a second vent hole (24) penetrating through the second baffle plate (25) is formed in the circular position of the second baffle plate (25), the second baffle plate (25) is positioned between the first baffle plate (29) and the fixing plate (27), and the side wall of the second baffle plate (25) is in contact with the side wall of the first baffle plate (29).
3. The chemical safety and environmental protection gas sampling device of claim 2, which is characterized in that: the air inlet device comprises an air inlet pipe (2), an air suction pump (20) and a connecting pipe (19); the end part of the connecting pipe (19) is connected with the gas collecting pipe (18), the end part, far away from the gas collecting pipe (18), of the connecting pipe (19) is connected with the gas outlet end of the air extracting pump (20), the end part of the gas inlet pipe (2) is connected with the gas inlet end of the air extracting pump (20), and the end part, far away from the air extracting pump (20), of the gas inlet pipe (2) penetrates through the box body (1) to be located outside the box body (1).
4. The chemical safety and environmental protection gas sampling device of claim 3, which is characterized in that: the pressure relief device comprises a pressure relief pipe (17), a pressure relief pump (16) and an air outlet pipe (15); the end part of the pressure relief pipe (17) is connected with the gas collecting pipe (18), the end part, far away from the gas collecting pipe (18), of the pressure relief pipe (17) is connected with the inlet end of the pressure relief pump (16), the end part of the gas outlet pipe (15) is connected with the gas outlet end of the pressure relief pump (16), and the end part, far away from the pressure relief pump (16), of the gas outlet pipe (15) penetrates through the box body (1) to be located outside the box body (1).
5. The chemical safety environmental protection gas sampling device according to claim 4, characterized in that: the electric control device comprises a control box body (12), a motor (11), a wireless transmission device (7) and a control processor (8); the control box body (12) is located under the box body (1), the top fixed connection of motor (11) and control box body (12), the bottom fixed connection of the top that control box body (12) was passed to the output of motor (11) and box body (1), wireless transmission device (7) and control processor (8) all are located control box body (12).
6. The chemical safety and environmental protection gas sampling device of claim 5, which is characterized in that: the bottom of the control box body (12) is provided with four supporting rods (9), and the bottoms of the four supporting rods (9) are provided with universal wheels (10).
7. The chemical safety environmental protection gas sampling device according to claim 6, characterized in that: the lateral wall of gas collecting box (6) is equipped with a plurality of air cock (35) of variation in size, and is a plurality of air cock (35) and handle (4) are located the same lateral wall of gas collecting box (6).
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| JP2013170964A (en) * | 2012-02-22 | 2013-09-02 | Panasonic Corp | Sample gas collection method |
| CN212059577U (en) * | 2020-04-16 | 2020-12-01 | 河北雷格科技发展有限公司 | Flue gas cooling and sampling device |
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| JP2013170964A (en) * | 2012-02-22 | 2013-09-02 | Panasonic Corp | Sample gas collection method |
| CN212059577U (en) * | 2020-04-16 | 2020-12-01 | 河北雷格科技发展有限公司 | Flue gas cooling and sampling device |
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