CN114719119A - Chemical engineering safety protection cover with gas purification treatment - Google Patents
Chemical engineering safety protection cover with gas purification treatment Download PDFInfo
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- CN114719119A CN114719119A CN202210363687.XA CN202210363687A CN114719119A CN 114719119 A CN114719119 A CN 114719119A CN 202210363687 A CN202210363687 A CN 202210363687A CN 114719119 A CN114719119 A CN 114719119A
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- 238000000746 purification Methods 0.000 title claims abstract description 43
- 238000003889 chemical engineering Methods 0.000 title description 4
- 230000001681 protective effect Effects 0.000 claims abstract description 59
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000000126 substance Substances 0.000 claims abstract description 52
- 238000001179 sorption measurement Methods 0.000 claims abstract description 47
- 239000000243 solution Substances 0.000 claims abstract description 7
- 239000012670 alkaline solution Substances 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000007789 sealing Methods 0.000 claims description 35
- 241001233242 Lontra Species 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 230000008961 swelling Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 7
- 208000032370 Secondary transmission Diseases 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000002633 protecting effect Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 101
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 208000018380 Chemical injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a chemical safety protective cover with gas purification treatment, which comprises a conveying pipeline, a protective outer cover, a sliding column and a purification ring, wherein the purification ring is arranged in the protective outer cover; the purification device is characterized in that an activated carbon screen plate, a first adsorption sponge and a second adsorption sponge are arranged inside the purification ring, the first adsorption sponge is positioned between the activated carbon screen plate and the second adsorption sponge, an alkaline solution is soaked inside the first adsorption sponge, and an organic solution is soaked inside the second adsorption sponge; and two groups of symmetrically arranged water-swelling rubber ferrules are embedded in the inner wall of the protective outer cover. According to the utility model, the purification ring, the activated carbon screen plate, the first adsorption sponge and the second adsorption sponge are arranged, so that leaked gas passes through the activated carbon screen plate, the first adsorption sponge and the second adsorption sponge in sequence at the initial stage of pipeline leakage caused by cracks in the conveying pipeline, and thus the leaked gas can be purified.
Description
Technical Field
The utility model relates to the technical field of chemical pipeline safety, in particular to a chemical safety protective cover with gas purification treatment.
Background
In the chemical industry field, involve the transport operation of a large amount of chemical industry gases usually, wherein the chemical industry gas is carried and is involved a large amount of pipe laying, need a safety protection casing to enclose chemical industry pipeline at this in-process, and then guarantee that chemical industry pipeline even take place the pipeline and reveal at the conveying gas in-process, also can play corresponding protection and handle still, and then avoid chemical industry gas to leak gas explosion and the chemical injury that causes.
The existing chemical pipeline safety protection equipment has the following defects:
1. the patent document CN214745026U discloses a chemical pipeline safety protective cover, which comprises a protective cover body and an alarm device, wherein the protective cover body comprises an upper safety cover and a lower safety cover, the upper safety cover and the lower safety cover are arranged at the outer sides of a connecting joint of two chemical pipelines, the upper safety cover and the lower safety cover are connected through bolts, two fixing groups are arranged on the inner wall of the protective cover body, the two fixing groups are respectively arranged at the outer sides of the two chemical pipelines and are used for fastening the protective cover body at the outer sides of the connecting joint, when the two fixing groups fasten the protective cover body at the outer sides of the two chemical pipelines, the ends, far away from each other, of the two fixing groups respectively seal the two ends of the protective cover body, the alarm device is arranged on the outer wall of the lower safety cover, and an adsorption layer for adsorbing harmful gas in the pipelines is arranged on the inner wall of the protective cover body; the protective cover is fast installed on the outer side of the connecting joint, can be fast detached and is convenient to replace, the alarm device is installed, the leakage source is fast located, when the protective cover is used, whether gas leaks or not is detected by judging the pH value of a solution, but chemical gas is not limited to acid gas and organic gas, and effective purification treatment is difficult to realize under the condition, so that the purification treatment effect of the protective cover is limited;
2. patent document CN211821755U discloses a safety protection casing of chemical pipeline, "including the upper shield body and the lower cover body, the inner wall of the upper shield body has left inner shell, and a plurality of through a plurality of first spring elastic connection first spring all is located the inner wall that the upper shield body is close to the left end, the inner wall of the lower cover body has right inner shell, and a plurality of through a plurality of second spring elastic connection the second spring all is located the inner wall that the lower cover body is close to the right-hand member, the upper shield body is close to a plurality of buffer blocks of inner wall fixedly connected with of right-hand member, the lower cover body is close to a plurality of buffer blocks of inner wall fixedly connected with of left end, upper shield body lateral wall intercommunication is equipped with the blast pipe, lower cover body lateral wall intercommunication is equipped with the fluid-discharge tube, upper shield body both sides wall and the equal fixedly connected with installation block of lower cover body both sides wall. The protective cover can prevent the device from being damaged easily when being impacted by leaked materials, can prevent rainwater from corroding bolts and nuts, and ensures the stability of the device, and the stability of the device is enhanced by using the buffer block when the protective cover is used;
3. patent document CN212203610U discloses a safety shield for chemical pipelines, which comprises a shield main body, a left half cover, a right half cover, a push plate and an alarm, wherein the middle of the shield main body is fixedly connected with a pipeline, the top end of the shield main body is movably connected with the left half cover, the bottom of one side of the left half cover is fixedly connected with a hinge column, one side of the hinge column is fixedly connected with the right half cover, the top of the left half cover is movably connected with a push plate, the top end of the push plate is movably connected with a clamping column, a connecting plate in the clamping column drives the fixing column and a spring to be pulled upwards, a user pushes the push plate to the other side, the top of the left half cover can expose transparent glass after the push plate pushes a certain distance away, the user can directly observe the pipeline joint through the transparent glass, the user can visually know the pipeline joint before the alarm, and the danger caused by the user to dismantle the shield main body due to daily observation of the pipeline joint is reduced, the protective cover has wide development prospect in the future, the transparent glass tube can conveniently observe the joint of the pipeline through the design of the clamping column and the connecting plate, but when leakage occurs inside the pipeline, corresponding exhaust treatment measures cannot be taken timely, effective collection of chemical gas inside the pipeline is ensured, and diffusion of harmful chemical gas is reduced;
4. patent document CN212605309U discloses a safety protection cover of chemical pipeline, "including the bottom plate, the backup pad that two symmetries of upside fixedly connected with of bottom plate set up, the upside of bottom plate is equipped with the arc wall that is used for placing the pipeline, the upside of arc wall is equipped with prevents the impaired protection machanism of pipeline, the downside of bottom plate is equipped with the moving mechanism who is used for pipeline, the inside of bottom plate is equipped with and is used for preventing that the pipeline from removing the fixture that the in-process rocked. The protective cover is reasonable in structural design, can conveniently move a chemical pipeline, has the effects of damping and fixing in the moving process, prevents the chemical pipeline from shaking during moving to damage the pipeline and bring convenience to the expansion of installation work, ensures the safety of the pipeline through external damping and fixing measures when in use, but is difficult to realize effective treatment of gas escaping in a short time when a large amount of gas leaks from the interior of the pipeline, and influences the transportation safety of the pipeline.
Disclosure of Invention
The utility model aims to provide a chemical safety protection cover with gas purification treatment, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a chemical safety protection cover with gas purification treatment comprises a conveying pipeline, a protection outer cover, a sliding column and a purification ring, wherein the purification ring is arranged in the protection outer cover;
the purification device is characterized in that an activated carbon screen plate, a first adsorption sponge and a second adsorption sponge are arranged inside the purification ring, the first adsorption sponge is positioned between the activated carbon screen plate and the second adsorption sponge, an alkaline solution is soaked inside the first adsorption sponge, and an organic solution is soaked inside the second adsorption sponge;
two sets of symmetrically arranged water-swelling rubber ferrules are embedded on the inner wall of the protective outer cover, and the water-swelling rubber ferrules are positioned on two sides of the purification ring.
Preferably, the inside of protection dustcoat runs through the sliding tray that is equipped with the equidistance and arranges, the tail end of sliding tray is located the both sides that purify the circle, the slip post is installed to the inside gomphosis of sliding tray, handle and feed inlet are installed at the top of slip post, and the feed inlet is located one side of handle, the bottom of slip post runs through installs the outlet pipe, and the tail end of outlet pipe and the laminating of the surface of meeting water inflation rubber ring circle, the surface mounting of outlet pipe has the electronic valve.
Preferably, the internally mounted of protection dustcoat has pipeline, and pipeline's length is greater than the protection dustcoat, pipeline's internally mounted has corrosion-resistant coating, pipeline's surface mounting has the recess of two sets of symmetrical arrangement, and the recess is connected with the gomphosis of water-swelling rubber lasso, the surface of recess is encircleed and is installed No. two pressure sensors, and No. two pressure sensors and electronic valve electric connection.
Preferably, pipeline's inside is run through and is installed the gomphosis cover, the linking bridge is installed to the inner wall of gomphosis cover, the laser lamp source is installed at the top of linking bridge, the inside of protection dustcoat is run through and is installed transparent connecting pipe, the rubber sleeve has been cup jointed on the surface of connecting pipe, and rubber sleeve and protection dustcoat threaded connection, the surface of connecting pipe is run through the rubber sleeve and is installed and connect the gas port, connect the top that the gas port is located the protection dustcoat, the surface of connecting pipe is run through the rubber sleeve and is installed No. two control valves, and No. two control valves are located the one side that connects the gas port.
Preferably, the internally mounted who purifies the circle has the wall otter board, and cuts off the otter board and be located the centre of activated carbon otter board and an absorption sponge, cut off the otter board and keep away from a side surface mounting who adsorbs the centre of sponge and have compression spring and a pressure-sensitive inductor, and a pressure-sensitive inductor is located compression spring's centre, the inside of activated carbon otter board is run through and is installed the back flow, and the one end of back flow is located the activated carbon otter board and cuts off the centre of otter board, the other end of back flow extends into pipeline's inside, the surface mounting of back flow has a control valve, and a control valve and a pressure-sensitive inductor electric connection, the internally mounted of back flow has the check valve.
Preferably, the protection dustcoat comprises gas column strip, waterproof layer, buffer spring and enhancement layer, one side surface mounting that the waterproof layer is close to pipeline has buffer spring, one side surface mounting that buffer spring kept away from the waterproof layer has the gas column strip, one side surface mounting of gas column strip has the enhancement layer, the internally mounted of enhancement layer has the strengthening rib.
Preferably, the surface mounting of protection dustcoat has the alarm, the surface mounting of alarm has the warning light, and warning light and alarm all with a pressure sensors electric connection.
Preferably, the surface of the conveying pipeline is provided with a first sealing valve and a second sealing valve in a penetrating mode, and the first sealing valve and the second sealing valve are respectively located on one side, close to the port of the conveying pipeline, of each of the two groups of grooves.
Preferably, the working steps of the chemical safety protection cover are as follows:
s1, before the chemical safety protection cover is used, a laser light source is opened, a protection outer cover is sleeved on the surface of a conveying pipeline immediately, the protection outer cover stops moving after laser light rays emitted by the laser light source are projected to the top of a connecting pipe, the connecting pipe is rotated, a rubber sleeve on the surface of the connecting pipe can be in threaded connection with the inner wall of an embedded sleeve, a second control valve is in a closed state, and then an air duct penetrating and extending to the outside of the protection outer cover is arranged in the conveying pipeline;
s2, after the connecting pipe is in threaded connection with the embedding sleeve, the water-swelling rubber ferrule just moves to the position of the groove, at the moment, the electronic valve on the surface of the water outlet pipe is started, so that water stored in the sliding column can be poured on the surface of the water-swelling rubber ferrule, the interior of the groove can be filled and sealed after the water-swelling rubber ferrule swells, a sealed cavity is formed on the surfaces of the protective outer cover and the conveying pipeline, and the protective outer cover can play a role in sealing and anti-diffusion protection when gas in the conveying pipeline escapes;
s3, when chemical gas is conveyed in a conveying pipeline, pipeline leakage occurs to the conveying pipeline due to cracks, at the initial stage of leakage, the amount of gas leaked in the conveying pipeline is small, at the moment, the gas passes through the activated carbon screen plate, the first adsorption sponge and the second adsorption sponge in sequence, so that the leaked gas can be adsorbed, neutralized and dissolved, the effect of gas purification is achieved, meanwhile, the gas flow impact has a surface impact effect on the first pressure sensor, at the moment, the alarm sounds to remind a worker to take a targeted measure, along with the fact that the cracks on the surface of the conveying pipeline are enlarged due to continuous leakage of the gas in the conveying pipeline, the gas leakage flow rate in the conveying pipeline is increased, at the moment, the first pressure sensor is flushed by the gas flow, and when the impact effect on the first pressure sensor is larger than a preset safety threshold value, the alarm and the prompting lamp are started synchronously, the double-alarm effect is achieved, the state distinguishing effect is achieved when the alarm is used for single work warning, meanwhile, the first control valve is opened, gas in the protective outer cover can return to the interior of the conveying pipeline in a one-way mode through the return pipe, a closed gas loop is formed, and expansion explosion caused by overlarge gas volume in the protective outer cover is prevented;
s4, when observing that the alarm and the indicator light are lighted together and arrive at the position of the conveying pipeline, a worker closes the first sealing valve and the second sealing valve simultaneously, connects the air supply pipe externally connected with the air storage tank to the air receiving port and opens the second control valve, so that chemical gas quickly leaked from the interior of the conveying pipeline is transferred to the interior of the air storage tank through the connecting pipe, and the storage of the gas is realized for secondary transmission;
s5, in the process of conveying chemical gas by the conveying pipeline, the electronic valve is started regularly, so that the water outlet pipe is in a regular smooth state, the effect of regular soaking of the water-swelling rubber ferrule can be achieved, the water-swelling rubber ferrule is always in a swelling state, and the continuous sealing protection effect between the protective outer cover and the conveying pipeline is guaranteed;
s6, when a large amount of gas leaks from the inside of the conveying pipeline, the impact effect lifts the water-swelling rubber ferrule, the extrusion effect of the water-swelling rubber ferrule on the second pressure sensor is weakened, the second pressure sensor sends a starting signal to the electronic valve, so that the water outlet pipe discharges water, and the water-swelling rubber ferrule is soaked and expanded again to enhance the sealing effect.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the purification ring, the activated carbon screen plate, the first adsorption sponge and the second adsorption sponge are arranged, when chemical gas is conveyed in the conveying pipeline, pipeline leakage occurs in the conveying pipeline due to cracks, the amount of gas leaked in the conveying pipeline is less at the initial stage of leakage, and at the moment, the gas passes through the activated carbon screen plate, the first adsorption sponge and the second adsorption sponge in sequence, so that the leaked gas can be purified.
2. According to the utility model, the sliding column, the water outlet pipe, the electronic valve, the water-swelling rubber ferrule and the second pressure sensor are arranged, water in the sliding column flows out through the water outlet pipe, so that the water-swelling rubber ferrule can fill and seal the inside of the groove after swelling, the water outlet pipe continues to flow out when the squeezing action of the water-swelling rubber ferrule on the second pressure sensor is weakened, and the water-swelling rubber ferrule is soaked and swelled again, so that the sealing effect is enhanced.
3. According to the utility model, the embedded sleeve, the connecting bracket, the laser lamp source, the rubber sleeve, the gas receiving port, the connecting pipe and the second control valve are arranged, after the protective outer cover is aligned with the surface of the conveying pipeline, the rubber sleeve is connected with the threads of the embedded sleeve, when the alarm and the prompting lamp are lighted together, the first sealing valve and the second sealing valve are closed simultaneously, the external gas supply pipe is connected to the gas receiving port, and the second control valve is opened, so that chemical gas quickly leaked from the interior of the conveying pipeline is transferred to the interior of the gas storage tank through the connecting pipe, and the storage of the gas is realized for secondary transmission.
4. According to the utility model, the first pressure sensor and the return pipe are installed, along with the expansion of the surface crack of the conveying pipeline caused by the continuous leakage of the gas in the conveying pipeline, when the impact action on the first pressure sensor is greater than a preset safety threshold, the first control valve is opened, so that the gas in the protective outer cover can return to the inside of the conveying pipeline in a one-way manner through the return pipe to form a closed gas loop, and further, the expansion and explosion caused by the overlarge gas volume in the protective outer cover are prevented.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the delivery conduit and protective casing of the present invention;
FIG. 3 is a schematic cross-sectional view of the purification ring of the present invention;
FIG. 4 is a schematic view of the protective outer cover, purge ring, sliding post and water-swellable rubber ferrule mounting structure of the present invention;
FIG. 5 is a schematic view of the mounting structure of the fitting sleeve, the connecting bracket, the laser lamp source, the rubber sleeve, the gas receiving port, the connecting pipe and the second control valve of the present invention;
FIG. 6 is a schematic view of the internal mounting structure of the protective enclosure of the present invention;
FIG. 7 is a schematic view of the installation structure of the conveying pipe of the present invention;
FIG. 8 is a schematic view of the installation structure of the water-swellable rubber ferrule, the groove and the second pressure sensor of the utility model.
In the figure: 1. a delivery conduit; 2. a protective outer cover; 3. a groove; 4. a sliding post; 5. a purification ring; 6. a water-swellable rubber ferrule; 7. a return pipe; 8. a feed inlet; 9. a water outlet pipe; 10. a sliding groove; 11. an activated carbon screen plate; 12. a compression spring; 13. a first adsorption sponge; 14. adsorption sponge No. II; 15. partition net plates; 16. a first control valve; 17. a first pressure sensor; 18. a warning light; 19. an alarm; 20. a first sealing valve; 21. a second sealing valve; 22. fitting and sleeving; 23. connecting a bracket; 24. a laser light source; 25. a rubber sleeve; 26. a gas receiving port; 27. a connecting pipe; 28. a second control valve; 29. a corrosion-resistant coating; 30. a second pressure sensor; 31. a gas column strip; 32. a waterproof layer; 33. a buffer spring; 34. and a reinforcing layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-8, an embodiment of the present invention is shown: a chemical engineering safety protection cover with gas purification treatment comprises a conveying pipeline 1, a protection outer cover 2, a sliding column 4 and a purification ring 5, wherein the purification ring 5 is arranged in the protection outer cover 2;
an activated carbon screen plate 11, a first adsorption sponge 13 and a second adsorption sponge 14 are arranged inside the purification ring 5, the first adsorption sponge 13 is positioned between the activated carbon screen plate 11 and the second adsorption sponge 14, an alkaline solution is soaked inside the first adsorption sponge 13, and an organic solution is soaked inside the second adsorption sponge 14;
further, when chemical gas is conveyed inside the conveying pipeline 1, the conveying pipeline 1 leaks due to a crack generation pipeline, at the initial stage of leakage, the amount of gas leaked inside the conveying pipeline 1 is small, and at the moment, the gas sequentially passes through the activated carbon screen plate 11, the first adsorption sponge 13 and the second adsorption sponge 14, so that the leaked gas can be purified, the VOCS gas in the conveying gas is adsorbed, the acidic gas is neutralized, the organic gas is dissolved in the organic solution, and the comprehensive and effective purification treatment effect is achieved.
The protection outer cover 2 is internally provided with sliding grooves 10 which are arranged at equal intervals in a penetrating manner, the tail ends of the sliding grooves 10 are positioned at two sides of the purification ring 5, sliding columns 4 are installed in the sliding grooves 10 in an embedded manner, handles and feed inlets 8 are installed at the tops of the sliding columns 4, the feed inlets 8 are positioned at one sides of the handles, water outlet pipes 9 are installed at the bottoms of the sliding columns 4 in a penetrating manner, the tail ends of the water outlet pipes 9 are attached to the surface of a water-swelling rubber ring 6, electronic valves are installed on the surfaces of the water outlet pipes 9, conveying pipelines 1 are installed in the protection outer cover 2, the length of the conveying pipelines 1 is larger than that of the protection outer cover 2, corrosion-resistant coatings 29 are installed in the conveying pipelines 1, two groups of symmetrically arranged grooves 3 are installed on the surface of the conveying pipelines 1, the grooves 3 are connected with the water-swelling rubber ring 6 in an embedded manner, second pressure sensors 30 are installed on the surfaces of the grooves 3 in a surrounding manner, and the second pressure sensors 30 are electrically connected with the electronic valves, two groups of symmetrically arranged water-swelling rubber ferrules 6 are embedded on the inner wall of the protective outer cover 2, and the water-swelling rubber ferrules 6 are positioned on two sides of the purification ring 5.
Further, start the electronic valve on outlet pipe 9 surface, the inside water of slide post 4 flows to the surface of meeting water inflation rubber ring 6, make and to fill sealed processing with the inside of recess 3 after meeting water inflation rubber ring 6 expands, make 1 inside gaseous take place when escaping protection dustcoat 2 can play sealed anti-diffusion protection, regularly start the electronic valve, make outlet pipe 9 be in regularly unobstructed state, and then can take the effect of regularly soaking to meeting water inflation rubber ring 6, make and meet water inflation rubber ring 6 and be in the inflation state always, and then guarantee the sealed protective effect of continuation between protection dustcoat 2 and the delivery pipeline 1.
Further, an embedded sleeve 22 is installed inside the conveying pipeline 1 in a penetrating mode, a connecting support 23 is installed on the inner wall of the embedded sleeve 22, a laser light source 24 is installed at the top of the connecting support 23, a transparent connecting pipe 27 is installed inside the protective outer cover 2 in a penetrating mode, a rubber sleeve 25 is sleeved on the surface of the connecting pipe 27, the rubber sleeve 25 is in threaded connection with the protective outer cover 2, an air receiving port 26 is installed on the surface of the connecting pipe 27 in a penetrating mode through the rubber sleeve 25, the air receiving port 26 is located above the protective outer cover 2, a second control valve 28 is installed on the surface of the connecting pipe 27 in a penetrating mode through the rubber sleeve 25, the second control valve 28 is located on one side of the air receiving port 26, an alarm 19 is installed on the surface of the protective outer cover 2, a prompting lamp 18 is installed on the surface of the alarm 19, the prompting lamp 18 and the alarm 19 are both electrically connected with a first pressure sensor 17, a first sealing valve 20 and a second sealing valve 21 are installed on the surface of the conveying pipeline 1 in a penetrating mode, and the first sealing valve 20 and the second sealing valve 21 are respectively positioned at one side of the two groups of grooves 3 close to the port of the conveying pipeline 1.
Further, the laser lamp source 24 is opened, the protective outer cover 2 is sleeved on the surface of the conveying pipeline 1 immediately, the protective outer cover 2 stops moving until laser light rays emitted by the laser lamp source 24 are projected to the top of the connecting pipe 27, the rubber sleeve 25 is in threaded connection with the inner wall of the embedding sleeve 22, when a worker observes that the alarm 19 and the prompting lamp 18 are turned on together, the first sealing valve 20 and the second sealing valve 21 are closed simultaneously, an air supply pipe externally connected with the air storage tank is connected to the air receiving port 26, and the second control valve 28 is opened, so that chemical gas rapidly leaked inside the conveying pipeline 1 is transferred to the inside of the air storage tank through the connecting pipe 27, and the storage of the gas is used in a secondary transmission mode.
Purify the internally mounted of circle 5 and cut off otter board 15, and cut off otter board 15 and be located activated carbon otter board 11 and adsorption sponge 13's centre, cut off otter board 15 and keep away from one side surface mounting of adsorption sponge 13's centre and have compression spring 12 and pressure sensors 17, and pressure sensors 17 is located compression spring 12's centre, activated carbon otter board 11's inside is run through and is installed back flow 7, and the one end of back flow 7 is located activated carbon otter board 11 and cuts off otter board 15's centre, the other end of back flow 7 extends into pipeline 1's inside, the surface mounting of back flow 7 has control valve 16 No. one, and control valve 16 and pressure sensors 17 electric connection No. one, the internally mounted of back flow 7 has the check valve.
Further, along with the gaseous continuation of conveying pipeline 1 inside reveals and causes the expansion of conveying pipeline 1 surface crack, make the inside gaseous outflow volume of conveying pipeline 1 increase, the air current erodees pressure sensors 17 this moment, when making the impact that pressure sensors 17 received be greater than predetermined safety threshold, alarm 19 and warning light 18 synchronous start, play the effect of dual warning, play the state when warning with alarm 19 single work and distinguish the effect, a control valve 16 opens simultaneously, make the inside gas of protection dustcoat 2 can return to conveying pipeline 1's inside through back flow 7 one-way, form closed gas circuit, and then prevent the inside inflation explosion because of the too big gas volume of protection dustcoat 2 leads to.
In the process, the existence of the compression spring 12 can enable the activated carbon mesh plate 11 to play a resisting role when encountering a clustering effect, thereby ensuring the normal use of the activated carbon mesh plate 11.
The protective outer cover 2 is composed of an air column strip 31, a waterproof layer 32, a buffer spring 33 and a reinforcing layer 34, the buffer spring 33 is installed on the surface of one side, close to the conveying pipeline 1, of the waterproof layer 32, the air column strip 31 is installed on the surface of one side, far away from the waterproof layer 32, of the buffer spring 33, the reinforcing layer 34 is installed on the surface of one side of the air column strip 31, and reinforcing ribs are installed inside the reinforcing layer 34.
Further, through the buffer structure that gas column strip 31, buffer spring 33 are constituteed, can provide striking buffering safeguard effect for protecting casing 2, waterproof layer 32 can provide waterproof isolation effect, avoids protecting casing 2 to receive the rainwater erosion, plays good auxiliary stay effect through enhancement layer 34, and then plays the armor protection effect.
The working steps of the chemical safety protective cover are as follows:
s1, before the chemical engineering safety protection cover is used, the laser lamp source 24 is opened, the protection outer cover 2 is sleeved on the surface of the conveying pipeline 1 immediately, the protection outer cover 2 stops moving after laser light emitted by the laser lamp source 24 is projected to the top of the connecting pipe 27, the connecting pipe 27 is rotated, the rubber sleeve 25 on the surface of the connecting pipe 27 can be in threaded connection with the inner wall of the embedding sleeve 22, the second control valve 28 is in a closed state, and then the conveying pipeline 1 is internally provided with a ventilation pipeline which penetrates and extends to the outside of the protection outer cover 2;
s2, after the connecting pipe 27 is in threaded connection with the embedding sleeve 22, the water-swelling rubber ferrule 6 just moves to the position of the groove 3, at the moment, the electronic valve on the surface of the water outlet pipe 9 is started, so that water stored in the sliding column 4 can be poured on the surface of the water-swelling rubber ferrule 6, the water-swelling rubber ferrule 6 can fill and seal the inside of the groove 3 after swelling, and further the surfaces of the protective outer cover 2 and the conveying pipeline 1 form a sealed cavity, so that the protective outer cover 2 can play a role in sealing and diffusion prevention protection when the gas in the conveying pipeline 1 escapes;
s3, when chemical gas is conveyed inside the conveying pipeline 1, pipeline leakage occurs to the conveying pipeline 1 due to cracks, at the initial stage of leakage, the amount of gas leaked inside the conveying pipeline 1 is small, at the moment, the gas passes through the activated carbon screen plate 11, the first adsorption sponge 13 and the second adsorption sponge 14 in sequence, so that the leaked gas can be adsorbed, neutralized and dissolved, and the effect of gas purification is achieved, meanwhile, the gas flow impact acts on the first pressure sensor 17 to form a surface impact effect, at the moment, the alarm 19 sounds to remind a worker to take a targeted measure, along with the expansion of the cracks on the surface of the conveying pipeline 1 caused by the continuous leakage of the gas inside the conveying pipeline 1, the gas leakage flow inside the conveying pipeline 1 is increased, at the moment, the gas flow erodes the first pressure sensor 17, and when the impact effect on the first pressure sensor 17 is larger than a preset safety threshold value, the alarm 19 and the prompting lamp 18 are started synchronously to achieve the effect of double alarming, and the effect of state distinguishing is achieved when the alarm 19 works singly, and meanwhile, the first control valve 16 is opened, so that the gas in the protective outer cover 2 can return to the interior of the conveying pipeline 1 in a one-way mode through the return pipe 7 to form a closed gas loop, and further expansion and explosion caused by overlarge gas volume in the protective outer cover 2 are prevented;
s4, when observing that the alarm 19 and the indicator light 18 are lighted together and arrive at the position of the conveying pipeline 1, a worker closes the first sealing valve 20 and the second sealing valve 21 at the same time, connects an air pipe externally connected with the air storage tank to the air receiving port 26 and opens the second control valve 28, so that chemical gas quickly leaked from the interior of the conveying pipeline 1 is transferred to the interior of the air storage tank through the connecting pipe 27, and the storage of the gas is realized for secondary transmission;
s5, in the process of conveying chemical gas by the conveying pipeline 1, the electronic valve is started regularly, so that the water outlet pipe 9 is in a regular smooth state, the water-swelling rubber ferrule 6 can be immersed regularly, the water-swelling rubber ferrule 6 is always in a swelling state, and the continuous sealing protection effect between the protective outer cover 2 and the conveying pipeline 1 is ensured;
s6, when a large amount of air leaks from the inside of the conveying pipeline 1, the impact effect lifts the water-swelling rubber ferrule 6, the squeezing effect of the water-swelling rubber ferrule 6 on the second pressure sensor 30 is weakened, the second pressure sensor 30 sends a starting signal to the electronic valve, so that the water outlet pipe 9 discharges water, and the water-swelling rubber ferrule 6 is soaked and swelled again, so that the sealing effect is strengthened.
The working principle is as follows: before the chemical safety protection cover is used, the laser lamp source 24 is opened, the protection outer cover 2 is sleeved on the surface of the conveying pipeline 1 immediately, the protection outer cover 2 stops moving after laser light rays emitted by the laser lamp source 24 are projected to the top of the connecting pipe 27, the rubber sleeve 25 is in threaded connection with the inner wall of the embedding sleeve 22, when a worker observes that the alarm 19 and the prompting lamp 18 are lighted together, the first sealing valve 20 and the second sealing valve 21 are closed simultaneously, an air supply pipe externally connected with the air storage tank is connected to the air receiving port 26, and the second control valve 28 is opened, so that chemical gas quickly leaked inside the conveying pipeline 1 is transferred to the inside of the air storage tank through the connecting pipe 27, and the storage of the gas is used in secondary transmission;
starting an electronic valve on the surface of a water outlet pipe 9, enabling water inside a sliding column 4 to flow to the surface of a water-swelling rubber ferrule 6, enabling the water-swelling rubber ferrule 6 to be filled and sealed after swelling, enabling a protective outer cover 2 to play a role in sealing and anti-diffusion protection when gas inside a conveying pipeline 1 escapes, starting the electronic valve regularly, enabling the water outlet pipe 9 to be in a regular smooth state, further enabling the water-swelling rubber ferrule 6 to be soaked regularly, enabling the water-swelling rubber ferrule 6 to be always in a swelling state, and further ensuring a continuous sealing and protecting effect between the protective outer cover 2 and the conveying pipeline 1;
when chemical gas is conveyed in the conveying pipeline 1, pipeline leakage occurs in the conveying pipeline 1 due to cracks, at the initial stage of leakage, the amount of gas leaked in the conveying pipeline 1 is small, and at the moment, the gas passes through the activated carbon screen plate 11, the first adsorption sponge 13 and the second adsorption sponge 14 in sequence, so that the leaked gas can be purified;
the air impact has a surface impact effect on the first pressure sensor 17, at the moment, the alarm 19 sounds to remind a worker to take a targeted measure, when the gas leakage quantity in the conveying pipeline 1 increases, the impact effect on the first pressure sensor 17 is greater than a preset safety threshold value, the alarm 19 and the prompting lamp 18 are synchronously started to play a double-alarm effect, and play a state distinguishing effect when the alarm 19 singly works to warn, and simultaneously, the first control valve 16 is opened to enable the gas in the protective outer cover 2 to return to the inside of the conveying pipeline 1 in a one-way manner through the return pipe 7 to form a closed gas loop, so that the expansion and explosion caused by the overlarge gas volume in the protective outer cover 2 are prevented, when a large amount of gas in the conveying pipeline 1 leaks out, the impact effect generates a lifting effect on the water-swelling rubber ferrule 6, and at the moment, the extrusion effect of the water-swelling rubber ferrule 6 on the second pressure sensor 30 is weakened, the water outlet pipe 9 continues to discharge water, and the water-swelling rubber ferrule 6 is soaked and swelled again, so that the sealing effect is enhanced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a chemical industry safety protection casing with gaseous purification treatment, includes pipeline (1), protection dustcoat (2), slip post (4) and purification circle (5), its characterized in that: a purification ring (5) is arranged in the protective outer cover (2);
an activated carbon screen plate (11), a first adsorption sponge (13) and a second adsorption sponge (14) are arranged inside the purification ring (5), the first adsorption sponge (13) is positioned between the activated carbon screen plate (11) and the second adsorption sponge (14), an alkaline solution is soaked inside the first adsorption sponge (13), and an organic solution is soaked inside the second adsorption sponge (14);
the inner wall gomphosis of protection dustcoat (2) is installed two sets of symmetrical arrangement's water-swelling rubber lasso (6), and just water-swelling rubber lasso (6) are located the both sides of purifying circle (5).
2. The chemical safety shield with gas purification treatment according to claim 1, characterized in that: the inside of protective housing (2) runs through sliding tray (10) that is equipped with the equidistance and arranges, the tail end of sliding tray (10) is located the both sides that purify circle (5), sliding column (4) are installed to the inside gomphosis of sliding tray (10), handle and feed inlet (8) are installed at the top of sliding column (4), and feed inlet (8) are located one side of handle, the bottom of sliding column (4) is run through and is installed outlet pipe (9), and the tail end of outlet pipe (9) and the surface laminating of meeting water inflation rubber sleeve ring (6), the surface mounting of outlet pipe (9) has the electronic valve.
3. The chemical safety shield with gas purification treatment according to claim 2, characterized in that: the utility model discloses a water-swelling protection cover for the automobile, including protection cover (2), the internally mounted of protection cover (2) has pipeline (1), and the length of pipeline (1) is greater than protection cover (2), the internally mounted of pipeline (1) has corrosion-resistant coating (29), the surface mounting of pipeline (1) has two sets of symmetrical arrangement's recess (3), and recess (3) are connected with water-swelling rubber lasso (6) gomphosis, the surface of recess (3) is encircleed and is installed No. two pressure sensors (30), and No. two pressure sensors (30) and electronic valve electric connection.
4. The chemical safety shield with gas purification treatment according to claim 3, wherein: the utility model discloses a protection cover for gas pipeline, including pipeline (1), embedded sleeve (22), linking bridge (23) are installed to the inside of embedded sleeve (22) through installing, laser lamp source (24) are installed to the top of linking bridge (23), transparent connecting pipe (27) are installed through installing to the inside of protection dustcoat (2), rubber sleeve (25) have been cup jointed on the surface of connecting pipe (27), and rubber sleeve (25) and protection dustcoat (2) threaded connection, the surface of connecting pipe (27) is run through rubber sleeve (25) and is installed and connect gas port (26), it is located the top of protection dustcoat (2) to connect gas port (26), the surface of connecting pipe (27) is run through rubber sleeve (25) and is installed two number control valve (28), and two number control valve (28) are located the one side that connects gas port (26).
5. The chemical safety shield with gas purification treatment according to claim 4, wherein: the internally mounted who purifies circle (5) has wall otter board (15), and cuts off otter board (15) and be located activated carbon otter board (11) and the centre of an absorption sponge (13), cut off otter board (15) and keep away from one side surface mounting of the centre of an absorption sponge (13) compression spring (12) and pressure sensors (17), and pressure sensors (17) are located the centre of compression spring (12), the inside of activated carbon otter board (11) is run through and is installed back flow (7), and the one end of back flow (7) is located activated carbon otter board (11) and cuts off the centre of otter board (15), the other end of back flow (7) extends into the inside of pipeline (1), the surface mounting of back flow (7) has control valve (16), and control valve (16) and pressure sensors (17) electric connection, the return pipe (7) is internally provided with a one-way valve.
6. The chemical safety shield with gas purification treatment according to claim 5, wherein: protection dustcoat (2) comprise gas column strip (31), waterproof layer (32), buffer spring (33) and enhancement layer (34), one side surface mounting that waterproof layer (32) are close to pipeline (1) has buffer spring (33), one side surface mounting that waterproof layer (32) were kept away from in buffer spring (33) has gas column strip (31), one side surface mounting of gas column strip (31) has enhancement layer (34), the internally mounted of enhancement layer (34) has the strengthening rib.
7. The chemical safety shield with gas purification treatment according to claim 6, wherein: the surface mounting of protection dustcoat (2) has alarm (19), the surface mounting of alarm (19) has warning light (18), and warning light (18) and alarm (19) all with a pressure sensors (17) electric connection.
8. The chemical safety shield with gas purification treatment according to claim 7, wherein: the surface of pipeline (1) runs through and installs a closed valve (20) and No. two closed valves (21), and a closed valve (20) and No. two closed valves (21) are located one side that two sets of recesses (3) are close to pipeline (1) port respectively.
9. The safety shield with gas purification treatment of claim 8, wherein the working steps of the safety shield are as follows:
s1, before the chemical safety protection cover is used, a laser lamp source (24) is opened, a protection outer cover (2) is sleeved on the surface of a conveying pipeline (1) immediately until laser light rays emitted by the laser lamp source (24) are projected to the top of a connecting pipe (27), the protection outer cover (2) is stopped to move, the connecting pipe (27) is rotated, a rubber sleeve (25) on the surface of the connecting pipe (27) can be in threaded connection with the inner wall of an embedded sleeve (22), a second control valve (28) is in a closed state, and then a ventilation pipeline penetrating and extending to the outside of the protection outer cover (2) is arranged inside the conveying pipeline (1);
s2, after the connecting pipe (27) is in threaded connection with the embedded sleeve (22), the water-swelling rubber ferrule (6) just moves to the position of the groove (3), at the moment, an electronic valve on the surface of the water outlet pipe (9) is started, so that water stored in the sliding column (4) can be poured on the surface of the water-swelling rubber ferrule (6), the interior of the groove (3) can be filled and sealed after the water-swelling rubber ferrule (6) swells, and further the surfaces of the protective outer cover (2) and the conveying pipeline (1) form a sealed cavity, so that the protective outer cover (2) can play a role in sealing and anti-diffusion protection when gas in the conveying pipeline (1) escapes;
s3, when chemical gas is conveyed inside the conveying pipeline (1), pipeline leakage occurs to the conveying pipeline (1) due to cracks, at the initial stage of leakage, the amount of gas leaked inside the conveying pipeline (1) is small, at the moment, the gas passes through the activated carbon screen plate (11), the first adsorption sponge (13) and the second adsorption sponge (14) in sequence, so that the leaked gas can be adsorbed, neutralized and dissolved, and the effect of gas purification is achieved, meanwhile, the gas flow impact has a surface impact effect on the first pressure sensor (17), at the moment, the alarm (19) sounds to remind a worker to take targeted measures, along with the expansion of the cracks on the surface of the conveying pipeline (1) caused by the continuous leakage of the gas inside the conveying pipeline (1), the gas leakage flow rate inside the conveying pipeline (1) is increased, at the moment, the first pressure sensor (17) is flushed by the gas flow, when the impact action of the first pressure sensor (17) is greater than a preset safety threshold value, the alarm (19) and the prompt lamp (18) are synchronously started to achieve a double-alarm effect, and the alarm and the state distinguishing effect are achieved when the alarm (19) works singly, and meanwhile, the first control valve (16) is opened, so that gas in the protective outer cover (2) can return to the inside of the conveying pipeline (1) in a one-way mode through the return pipe (7), a closed gas loop is formed, and expansion explosion caused by overlarge gas volume in the protective outer cover (2) is prevented;
s4, when observing that the alarm (19) and the indicator light (18) are lighted together and arrive at the position of the conveying pipeline (1), a worker closes the first sealing valve (20) and the second sealing valve (21) at the same time, connects an air supply pipe externally connected with the air storage tank to the air receiving port (26) and opens the second control valve (28), so that chemical gas quickly leaked from the interior of the conveying pipeline (1) is transferred to the interior of the air storage tank through the connecting pipe (27), and the storage of the gas is realized for secondary transmission;
s5, in the process of conveying chemical gas by the conveying pipeline (1), the electronic valve is started regularly, so that the water outlet pipe (9) is in a regular smooth state, the water swelling rubber ferrule (6) can be immersed regularly, the water swelling rubber ferrule (6) is always in a swelling state, and the continuous sealing and protecting effect between the protective outer cover (2) and the conveying pipeline (1) is guaranteed;
s6, when a large amount of air leaks from the inside of the conveying pipeline (1), the impact effect generates a lifting effect on the water-swelling rubber ferrule (6), the extrusion effect of the water-swelling rubber ferrule (6) on the second pressure sensor (30) is weakened, the second pressure sensor (30) sends a starting signal to the electronic valve, so that the water outlet pipe (9) discharges water, and the water-swelling rubber ferrule (6) is soaked and expanded again, so that the sealing effect is enhanced.
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| CN114719119B (en) | 2023-10-31 |
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