CN115218117A - Explosion-proof device for vacuum storage tank - Google Patents
Explosion-proof device for vacuum storage tank Download PDFInfo
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- CN115218117A CN115218117A CN202210851832.9A CN202210851832A CN115218117A CN 115218117 A CN115218117 A CN 115218117A CN 202210851832 A CN202210851832 A CN 202210851832A CN 115218117 A CN115218117 A CN 115218117A
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- Prior art keywords
- storage tank
- tank body
- protective shell
- valve
- rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
- F17C13/126—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for large storage containers for liquefied gas
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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
- F17D5/02—Preventing, monitoring, or locating loss
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0391—Thermal insulations by vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/035—Dealing with losses of fluid
- F17C2260/038—Detecting leaked fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/042—Reducing risk of explosion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses an explosion-proof device for a vacuum storage tank, which comprises a storage tank body, wherein a protective shell is sleeved on the outer side of the storage tank body, the protective shell is connected with the storage tank body through a plurality of supporting plates, vacuum is extracted between the storage tank body and the protective shell, the supporting plates are annular sealing plates, the supporting plates can divide the interior of the storage tank body into a plurality of independent spaces, a vacuum extraction mechanism is installed on the protective shell, a leakage detection mechanism is installed in the protective shell, and a leakage protection mechanism is installed in the protective shell. The invention has the advantages that the gas leakage detection device can detect the gas leakage of the storage tank body when the gas leakage occurs, can protect the leaked natural gas through the protective shell, does not contain any electric equipment except an external air pump on the whole storage tank, can prevent explosion caused by electric sparks caused by electric leakage, improper operation and the like when the gas leakage occurs to the storage tank body, and is safer to use.
Description
Technical Field
The invention relates to the technical field of storage tank equipment, in particular to an explosion-proof device for a vacuum storage tank.
Background
Natural gas is a mixture of hydrocarbon and non-hydrocarbon gases naturally trapped in a stratum, which is mainly present in oil fields and natural gas fields, and a small amount of natural gas is present in coal seams, the natural gas is mainly used as fuel and can be used for producing carbon black, chemicals and liquefied petroleum gas, propane and butane produced by the natural gas are important raw materials in modern industry, people need to store the natural gas by using a storage tank when using the natural gas, and the natural gas is generally stored under the conditions of low temperature and high pressure, and a vacuum storage tank is used for better heat insulation.
The storage tank is under long-time the use, if appear leaking, has the risk of explosion, and when the natural gas leaked, often was difficult to be perceived to along with the leakage of natural gas, the leakage opening on the storage tank can be bigger and bigger, is difficult to maintain, and get rid of the back with the hidden danger of explosion, because the volume of storage tank is great, also relatively more troublesome when looking for the leakage opening.
Disclosure of Invention
The invention aims to solve the problems and designs an explosion-proof device for a vacuum storage tank.
The technical scheme of the invention is that the explosion-proof device for the vacuum storage tank comprises a storage tank body, a protective shell is sleeved outside the storage tank body, the protective shell is connected with the storage tank body through a plurality of supporting plates, vacuum is extracted between the storage tank body and the protective shell, the supporting plates are annular sealing plates, the supporting plates can divide the interior of the storage tank body into a plurality of independent spaces, a vacuum extraction mechanism is installed on the protective shell, a leakage detection mechanism is installed in the protective shell, a leakage protection mechanism is installed in the protective shell,
the vacuum pumping mechanism comprises a pumping pipe fixedly arranged on the protective shell, the pumping pipe is connected with all independent spaces in the protective shell, a protective valve is arranged on the outer side of the protective shell, the outlet end of the pumping pipe is connected with the inlet end of the protective valve, the outlet end of the protective valve is connected with an external pumping pump so as to pump vacuum,
the leakage detection mechanism comprises a plurality of round holes positioned at the upper end of the protective shell, the round holes are positioned at one side of the independent spaces, each independent space is only provided with one round hole, an elastic sealing ring is arranged in each round hole, a lifting column is arranged in each elastic sealing ring, protective plates are arranged at two ends of each lifting column,
leakage protection mechanism is including being located the wrench movement valve in independent space, and the wrench movement valve is installed on the storage tank body, and the rotatory handle is installed to the wrench movement valve upper end, and wrench movement valve one side is equipped with removes the frame, removes the frame and installs on the storage tank body, and the lift post accessible removes the frame and drives rotatory handle rotation and will turn round the valve and open.
Furthermore, the exhaust tube is including being located the inside stainless steel pipeline of protecting crust, the one end that protective flap was kept away from to the stainless steel pipeline is sealed, the stainless steel pipeline is close to protective flap's one end and protective flap entrance connection, it has the round mouth to open in the backup pad, the stainless steel pipeline can follow in the round mouth to run through so that stretch each independent space in, sealing process between stainless steel pipeline and the round mouth, be equipped with the intake pipe in the independent space, intake pipe one end is installed on the stainless steel pipeline and is communicate with the stainless steel pipeline, the check valve is installed to the intake pipe other end.
Furthermore, the lifting column comprises two identical circular truncated cones, and the smaller ends of the two circular truncated cones are fixedly connected.
Further, the removal frame includes the direction slide of fixed mounting on the storage tank body, direction slide top is equipped with the removal rack, surface mounting has the guide block under the removal rack, guide block one end is stretched in the direction slide, the axis of rotation is installed to rotatory handle upper end, the rolling gear is installed in the axis of rotation outside, rolling gear and removal rack toothing, the link is installed to storage tank body upper end, link one end is connected with removal rack one end, the link other end is connected with the lift post lower extreme, the link can drive the great distance of removal rack removal when the lift post removes less distance.
Further, the link includes fixed mounting at the first antifriction bearing of storage tank body upper end, the dwang is installed to first antifriction bearing upper end, the drive lever is installed to dwang upper end one side, the driven lever is installed to dwang upper end opposite side, the length of driven lever is 2-5 times of drive lever length, driven lever lower extreme and removal rack side surface are connected through first connecting wire, drive lever one side is equipped with the fixed pulley, the fixed pulley is installed on the storage tank body, the second connecting wire is installed to the guard plate of lift post lower extreme, second connecting wire one end is walked around the fixed pulley and is connected with drive lever one end, install the gag lever post that can prevent the second connecting wire from breaking away from on the fixed pulley.
Furthermore, two fixed rods are arranged between the fixed pulley and the driving rod, the lower ends of the fixed rods are fixedly installed on the storage tank body, a rotating cylinder is sleeved on the outer side of each fixed rod, and a second connecting wire penetrates through the space between the two fixed rods.
Furthermore, a transmission rod is arranged on one side of the twisting valve, a second rolling bearing is installed at the lower end of the transmission rod, the second rolling bearing is fixedly installed on the twisting valve, the upper end of the transmission rod penetrates through the protective shell and extends to the outer side of the protective shell, a sealing bearing is installed at the intersection position of the transmission rod and the protective shell, a first bevel gear is installed at the lower end of the transmission rod, a second bevel gear is installed at one end of the rotating shaft, the first bevel gear is meshed with the second bevel gear, a third rolling bearing is installed at one end of the rotating shaft, and the third rolling bearing is installed on the storage tank body through a supporting rod.
Furthermore, the upper end and the lower end of the round hole are provided with annular sealing rings, and the annular sealing rings are sleeved on the outer side of the lifting column.
The invention has the beneficial effects that: the storage tank body and the protective shell can be separated into independent spaces through the supporting plate, all the independent spaces can be vacuumized through the air pumping pipe when the vacuum is pumped, the lifting column can move towards the inside of the independent space and can seal the independent space under the action of atmospheric pressure when the air in the independent space is reduced, the protective plate can limit the lifting column and can better seal the independent space, when a leakage port is generated in the storage tank body, the natural gas in the storage tank body can flow into the independent space, the liquid natural gas can be gasified, the air pressure in the independent space can be rapidly enhanced, and when the air pressure in the independent space is greater than the external air pressure, the lifting column can be pushed outwards to further detect whether the storage tank body leaks, the approximate position of a leakage hole can be determined, the maintenance is convenient, when the lifting column moves outwards, the lifting column can drive the rotating handle to rotate through the moving frame and open the twisting valve, so that the natural gas in the storage tank body can leak out, the leakage hole can be prevented from being enlarged when the natural gas in the leakage hole leaks out, the maintenance of the leakage hole is convenient, the loss can be reduced, the whole storage tank does not contain any electric equipment except an external air suction pump, when the storage tank body leaks gas, the explosion caused by electric sparks caused by electric leakage, misoperation and the like can be prevented, the use is safer,
the exhaust pipe is arranged in the protective shell, so that air leakage caused by the damage of the stainless steel pipe caused by the external environment can be prevented, the one-way valve can also prevent air in the stainless steel pipeline from flowing back to the independent space, the sealing effect of the independent space is ensured,
the lifting column is two circular truncated cones, the sealing effect can be increased when the circular truncated cones move, the sealing effect is better when the air pressure difference is larger,
the connecting frame is arranged by the lever principle, and can drive the movable rack to move for a larger distance when the lifting column moves for a smaller distance, so that the twisting valve can rotate for more circles, the twisting valve can be conveniently opened, and the leakage port can be prevented from being enlarged,
the upper end of the twisting valve is connected with a transmission rod through a bevel gear, the twisting valve can be closed under the action of the transmission rod, the second connecting line is tensioned, and then the twisting valve can be driven to be opened when the lifting column just starts to move.
Drawings
FIG. 1 is a schematic structural view of an explosion-proof apparatus for a vacuum storage tank according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view, partially in section, of an explosion-proof device for a vacuum storage tank according to the present invention in a side view;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is an enlarged view of a portion of FIG. 3 at C;
FIG. 6 is a schematic view, partly in section, showing a top view of an explosion-proof device for a vacuum storage tank according to the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at D;
FIG. 8 is a schematic view of the connection between the lifting column and the moving rack according to the present invention;
in the figure, 1, a tank body; 2. a protective shell; 3. a support plate; 4. an independent space; 5. an air exhaust pipe; 6. a protective valve; 7. a circular hole; 8. an elastic sealing ring; 9. a lifting column; 10. a protection plate; 11. twisting the valve; 12. rotating the handle; 13. a movable frame; 14. stainless steel pipeline; 15. a round mouth; 16. an air inlet pipe; 17. a one-way valve; 18. a circular truncated cone; 19. a guide slide way; 20. moving the rack; 21. a guide block; 22. a rotating shaft; 23. a rotating gear; 24. a connecting frame; 25. a first rolling bearing; 26. rotating the rod; 27. a driving lever; 28. a driven lever; 29. a first connection line; 30. a fixed pulley; 31. a second connecting line; 32. a limiting rod; 33. fixing the rod; 34. rotating the cylinder; 35. a transmission rod; 36. a second rolling bearing; 37. sealing the bearing; 38. a first bevel gear; 39. a second bevel gear; 40. a third rolling bearing; 41. a support bar; 42. an annular seal ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The invention provides an explosion-proof device for a vacuum storage tank, which is shown in figures 1-8 and comprises a storage tank body 1, wherein a protective shell 2 is sleeved on the outer side of the storage tank body 1, the protective shell 2 is connected with the storage tank body 1 through a plurality of supporting plates 3, vacuum is extracted between the storage tank body 1 and the protective shell 2, the supporting plates 3 are annular sealing plates, the supporting plates 3 can divide the interior of the storage tank body 1 into a plurality of independent spaces 4, a vacuum extraction mechanism is arranged on the protective shell 2, a leakage detection mechanism is arranged in the protective shell 2, a leakage protection mechanism is arranged in the protective shell 2, the vacuum extraction mechanism comprises an exhaust pipe 5 fixedly arranged on the protective shell 2, the exhaust pipe 5 is connected with all the independent spaces 4 in the protective shell 2, a protection valve 6 is arranged on the outer side of the protective shell 2, the outlet end of the exhaust pipe 5 is connected with the inlet end of the protection valve 6, the outlet end of the protective valve 6 is connected with an external air pump so as to be convenient for vacuum pumping, the leakage detection mechanism comprises a plurality of round holes 7 positioned at the upper end of the protective shell 2, the round holes 7 are positioned at one side of the independent space 4, each independent space 4 is only provided with one round hole 7, an elastic sealing ring 8 is arranged in each round hole 7, a lifting column 9 is arranged in each elastic sealing ring 8, two ends of each lifting column 9 are provided with protective plates 10, the leakage protection mechanism comprises a twisting valve 11 positioned in the independent space 4, the twisting valve 11 is arranged on the storage tank body 1, the upper end of the twisting valve 11 is provided with a rotating handle 12, one side of the twisting valve 11 is provided with a movable frame 13, the movable frame 13 is arranged on the storage tank body 1, the lifting column 9 can drive the rotating handle 12 to rotate through the movable frame 13 and open the twisting valve 11,
the explosion-proof process of the device for the vacuum storage tank is as follows: the storage tank body 1 is placed inside the protective shell 2, the storage tank body 1 and the protective shell 2 are sealed, the storage tank body 1 and the protective shell 2 can be separated into a plurality of independent spaces 4 through the supporting plate 3, the air suction pump is connected with one end of the protective valve 6, the protective valve 6 is opened, then air in all the independent spaces 4 can be pumped to a vacuum state through the air suction pipe 5, the storage tank body 1 can be better insulated through vacuum, explosion is prevented, after the vacuum pumping is finished, the protective valve 6 is closed, the air suction pump is taken down, when the vacuum pumping is carried out, due to the fact that the air pressure in the independent spaces 4 is reduced, the lifting column 9 can be pushed downwards under the action of the air pressure, and through the action of the elastic sealing ring 8 and the lifting column 9, air leakage can be prevented, the protective plate 10 can limit the lifting column 9, the lifting column 9 is prevented from moving to the outside from the round hole 7, under the normal state, the twist valve 11 is in the closed state, natural gas in the storage tank body 1 cannot be leaked, after the storage tank body 1 is used for a period of time, a leakage port is easy to appear on the storage tank body 1, the independent space 4 can roughly position the leakage port, the position of the leakage port can be rapidly known, when the leakage port appears, natural gas in the storage tank body 1 starts to leak, the natural gas in the storage tank body 1 is liquefied natural gas under high pressure, if the leakage port is arranged at the lower end of the storage tank body 1, liquefied natural gas can flow out, the liquefied natural gas can be rapidly gasified due to small air pressure in the independent space 4, the air pressure in the independent space 4 is enhanced, the inner part of the protective shell 2 is divided into a plurality of independent spaces 4 by the supporting plate 3, the air pressure in the independent space 4 can be rapidly increased under the condition that the natural gas is less leaked, after the air pressure is increased, the lifting column 9 can be pushed upwards, and then whether the storage tank body 1 leaks can be detected by observing the position of the lifting column 9, when the lifting column 9 moves upwards, the rotating handle 12 can be driven to rotate through the moving frame 13, so that the rotating handle 12 can open the twisting valve 11, then the natural gas in the storage tank body 1 leaks out through the twisting valve 11, when the air pressure of the independent space 4 and the air pressure of the storage tank body 1 are equivalent, the natural gas can be prevented from continuously leaking out, when the twisting valve 11 leaks out, the natural gas leaking out from the leakage opening can be reduced, and further the leakage opening can be prevented from being continuously damaged, and the maintenance can be conveniently carried out,
referring to the attached drawing 1, the attached drawing 3, the attached drawing 6 and the attached drawing 7 in the specification, the exhaust pipe 5 comprises a stainless steel pipeline 14 positioned inside the protective shell 2, one end of the stainless steel pipeline 14 far away from the protective valve 6 is closed, one end of the stainless steel pipeline 14 close to the protective valve 6 is connected with the inlet end of the protective valve 6, a round opening 15 is formed in the support plate 3, the stainless steel pipeline 14 can penetrate through the round opening 15 so as to extend into each independent space 4, the stainless steel pipeline 14 and the round opening 15 are sealed, an air inlet pipe 16 is arranged in each independent space 4, one end of the air inlet pipe 16 is installed on the stainless steel pipeline 14 and communicated with the stainless steel pipeline 14, and a one-way valve 17 is installed at the other end of the air inlet pipe 16,
the air is pumped out by the air pumping pipe 5 as follows: the stainless steel pipeline 14 is placed in the protective shell 2, so that air leakage caused by damage of the stainless steel pipeline 14 can be prevented, air in the independent space 4 can be discharged through the check valve 17, the air inlet pipe 16, the stainless steel pipeline 14 and the protective valve 6 during air suction, the check valve 17 can prevent the air in the stainless steel pipeline 14 from entering the independent space 4, the vacuum degree of the independent space 4 can be ensured,
referring to the attached figures 1, 2 and 3 of the specification, the lifting column 9 comprises two identical circular truncated cones 18, the smaller ends of the two circular truncated cones 18 are fixedly connected,
the round table body 18 is a cylinder with a wide end and a narrow end, when the lifting column 9 moves upwards or downwards, the sealing effect between the lifting column 9 and the elastic sealing ring 8 is better because the width of the position where the round table body 18 is contacted with the elastic sealing ring 8 is gradually increased,
referring to the attached drawings 1, 2, 3 and 5 of the specification, the movable frame 13 comprises a guide slide way 19 fixedly mounted on the storage tank body 1, a movable rack 20 is arranged above the guide slide way 19, a guide block 21 is mounted on the lower surface of the movable rack 20, one end of the guide block 21 extends into the guide slide way 19, a rotating shaft 22 is mounted at the upper end of the rotating handle 12, a rotating gear 23 is mounted on the outer side of the rotating shaft 22, the rotating gear 23 is meshed with the movable rack 20, a connecting frame 24 is mounted at the upper end of the storage tank body 1, one end of the connecting frame 24 is connected with one end of the movable rack 20, the other end of the connecting frame 24 is connected with the lower end of the lifting column 9, the connecting frame 24 can drive the movable rack 20 to move for a larger distance when the lifting column 9 moves for a smaller distance,
the process of the moving rack 13 driving the rotating handle 12 to rotate is as follows: when the lifting column 9 moves upwards, the connecting frame 24 can drive the moving rack 20 to move, the guide block 21 and the guide slideway 19 can ensure the moving direction of the moving rack 20, when the moving rack 20 moves, the rotating gear 23 can be driven to rotate, the rotating shaft 22 and the rotating handle 12 can be driven to rotate, the twist valve 11 is opened, natural gas can be conveniently discharged,
referring to the attached drawings 1, 2, 3, 5 and 7 of the specification, the connecting frame 24 comprises a first rolling bearing 25 fixedly installed at the upper end of the tank body 1, a rotating rod 26 is installed at the upper end of the first rolling bearing 25, a driving rod 27 is installed at one side of the upper end of the rotating rod 26, a driven rod 28 is installed at the other side of the upper end of the rotating rod 26, the length of the driven rod 28 is 2-5 times of the length of the driving rod 27, the lower end of the driven rod 28 is connected with one side surface of the movable rack 20 through a first connecting line 29, a fixed pulley 30 is arranged at one side of the driving rod 27, the fixed pulley 30 is installed on the tank body 1, a second connecting line 31 is installed on the protection plate 10 at the lower end of the lifting column 9, one end of the second connecting line 31 is connected with one end of the driving rod 27 by bypassing the fixed pulley 30, a limiting rod 32 capable of preventing the second connecting line 31 from being separated is installed on the fixed pulley 30,
the process of the connecting frame 24 moving the moving rack 20 is as follows: when the lifting column 9 moves upwards, the second connecting line 31 can be pulled upwards through the protection plate 10 at the lower end of the lifting column 9, the pulling direction of the second connecting line 31 is changed through the fixed pulley 30, the driving rod 27 can be pulled, and the rotating rod 26 is driven to rotate, the driving rod 27, the rotating rod 26 and the driven rod 28 form a lever, because the length of the driven rod 28 is 2-5 times of the length of the driving rod 27, when the driving rod 27 moves a small distance, the driven rod 28 can move a large distance, the driven rod 28 can drive the moving rack 20 to move through the first connecting line 29, then the twist valve 11 can be opened through the transmission of the gear, and the limiting rod 32 can prevent the second connecting line 31 from being separated,
referring to the specification, fig. 3, the specification, fig. 5 and the specification, fig. 8, two fixing rods 33 are arranged between the fixed pulley 30 and the active rod 27, the lower ends of the fixing rods 33 are fixedly arranged on the storage tank body 1, a rotating cylinder 34 is sleeved outside the fixing rods 33, the second connecting wire 31 passes through between the two fixing rods 33,
the rotating cylinders 34 outside the two fixing bars 33 limit the second connecting wire 31, and the rotating cylinders 34 are rotatable outside the fixing bars 33 to reduce the friction force when the second connecting wire 31 moves, the rotating cylinders 34 on both sides of the second connecting wire 31 ensure that the second connecting wire 31 is positioned below the fixed pulley 30 when the driving lever 27 rotates,
referring to the attached drawings 1, 2, 3 and 5 of the specification, a transmission rod 35 is arranged on one side of the twist valve 11, a second rolling bearing 36 is arranged at the lower end of the transmission rod 35, the second rolling bearing 36 is fixedly arranged on the twist valve 11, the upper end of the transmission rod 35 penetrates through the protective shell 2 and extends out of the protective shell 2, a sealing bearing 37 is arranged at the crossing position of the transmission rod 35 and the protective shell 2, a first bevel gear 38 is arranged at the lower end of the transmission rod 35, a second bevel gear 39 is arranged at one end of the rotating shaft 22, the first bevel gear 38 is meshed with the second bevel gear 39, a third rolling bearing 40 is arranged at one end of the rotating shaft 22, the third rolling bearing 40 is arranged on the storage tank body 1 through a support rod 41,
the process of twisting the valve 11 closed is as follows: after the independent space 4 is evacuated, the lifting column 9 can be moved to the lowest end, and at this time, the second connecting line 31 is in a relaxed state, the operator rotates the transmission rod 35, the transmission rod 35 can drive the first bevel gear 38 to rotate, the first bevel gear 38 is engaged with the second bevel gear 39, the second bevel gear 39 and the rotation shaft 22 can be driven to rotate, the rotation handle 12 is driven to rotate through the rotation shaft 22, and the twist valve 11 is closed, the rotation gear 23 can be driven to rotate when the rotation shaft 22 rotates, the rotation gear 23 is engaged with the moving rack 20, the moving rack 20 can be driven to move, the moving rack 20 can drive the driven rod 28, the rotation rod 26 and the driving rod 27 to rotate through the first connecting line 29, the driving rod 27 can tighten the second connecting line 31, and the twist valve 11 can be driven to open when the lifting column 9 starts to move upwards,
referring to the attached drawings 1, 2, 3 and 4 of the specification, the upper end and the lower end of the round hole 7 are provided with annular sealing rings 42, the annular sealing rings 42 are sleeved outside the lifting column 9,
when the lifting column 9 moves up and down, the annular sealing ring 42 can be pressed by the protection plate 10, and the sealing effect can be further ensured.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An explosion-proof device for a vacuum storage tank comprises a storage tank body (1), wherein a protective shell (2) is sleeved on the outer side of the storage tank body (1), the protective shell (2) is connected with the storage tank body (1) through a plurality of supporting plates (3), and vacuum is extracted between the storage tank body (1) and the protective shell (2), the explosion-proof device is characterized in that the supporting plates (3) are annular sealing plates, the supporting plates (3) can divide the interior of the storage tank body (1) into a plurality of independent spaces (4), a vacuum extraction mechanism is installed on the protective shell (2), a leakage detection mechanism is installed in the protective shell (2), a leakage protection mechanism is installed in the protective shell (2),
the vacuum pumping mechanism comprises a pumping pipe (5) fixedly arranged on a protective shell (2), the pumping pipe (5) is connected with all independent spaces (4) in the protective shell (2), a protective valve (6) is arranged on the outer side of the protective shell (2), the outlet end of the pumping pipe (5) is connected with the inlet end of the protective valve (6), the outlet end of the protective valve (6) is connected with an external pumping pump so as to pump vacuum,
the leakage detection mechanism comprises a plurality of round holes (7) which are positioned at the upper end of the protective shell (2), the round holes (7) are positioned at one side of the independent spaces (4), each independent space (4) is only provided with one round hole (7), an elastic sealing ring (8) is arranged in each round hole (7), a lifting column (9) is arranged in each elastic sealing ring (8), protective plates (10) are arranged at two ends of each lifting column (9),
leakage protection mechanism is including being located wrench movement valve (11) in independent space (4), and wrench movement valve (11) are installed on storage tank body (1), and rotatory handle (12) are installed to wrench movement valve (11) upper end, and wrench movement valve (11) one side is equipped with removes frame (13), removes frame (13) and installs on storage tank body (1), and lift post (9) accessible removes frame (13) and drives rotatory handle (12) and rotate and will wrench movement valve (11) and open.
2. The explosion-proof device for the vacuum storage tank is characterized in that the air exhaust pipe (5) comprises a stainless steel pipeline (14) located inside the protective shell (2), one end, far away from the protective valve (6), of the stainless steel pipeline (14) is closed, one end, close to the protective valve (6), of the stainless steel pipeline (14) is connected with the inlet end of the protective valve (6), a round opening (15) is formed in the supporting plate (3), the stainless steel pipeline (14) can penetrate through the round opening (15) so as to extend into each independent space (4), sealing processing is conducted between the stainless steel pipeline (14) and the round opening (15), an air inlet pipe (16) is arranged in each independent space (4), one end of the air inlet pipe (16) is installed on the stainless steel pipeline (14) and communicated with the stainless steel pipeline (14), and a one-way valve (17) is installed at the other end of the air inlet pipe (16).
3. Explosion protection device for vacuum storage tanks, according to claim 1, characterized in that the lifting column (9) comprises two identical truncated cones (18), the smaller ends of the two truncated cones (18) being fixedly connected.
4. The explosion-proof device for the vacuum storage tank is characterized in that the movable frame (13) comprises a guide slide way (19) fixedly mounted on the storage tank body (1), a movable rack (20) is arranged above the guide slide way (19), a guide block (21) is mounted on the lower surface of the movable rack (20), one end of the guide block (21) extends into the guide slide way (19), a rotating shaft (22) is mounted at the upper end of the rotating handle (12), a rotating gear (23) is mounted on the outer side of the rotating shaft (22), the rotating gear (23) is meshed with the movable rack (20), a connecting frame (24) is mounted at the upper end of the storage tank body (1), one end of the connecting frame (24) is connected with one end of the movable rack (20), the other end of the connecting frame (24) is connected with the lower end of the lifting column (9), and the connecting frame (24) can drive the movable rack (20) to move a larger distance when the lifting column (9) moves a smaller distance.
5. The explosion-proof device for the vacuum storage tank is characterized in that the connecting frame (24) comprises a first rolling bearing (25) fixedly installed at the upper end of the storage tank body (1), a rotating rod (26) is installed at the upper end of the first rolling bearing (25), a driving rod (27) is installed at one side of the upper end of the rotating rod (26), a driven rod (28) is installed at the other side of the upper end of the rotating rod (26), the length of the driven rod (28) is 2-5 times that of the driving rod (27), the lower end of the driven rod (28) is connected with one side surface of the movable rack (20) through a first connecting wire (29), a fixed pulley (30) is arranged at one side of the driving rod (27), the fixed pulley (30) is installed on the storage tank body (1), a second connecting wire (31) is installed on a protection plate (10) at the lower end of the lifting column (9), one end of the second connecting wire (31) bypasses the fixed pulley (30) to be connected with one end of the driving rod (27), and a limiting rod (32) capable of preventing the second connecting wire (31) from being separated is installed on the fixed pulley (30).
6. The explosion-proof device for the vacuum storage tank as claimed in claim 5, wherein two fixing rods (33) are arranged between the fixed pulley (30) and the active rod (27), the lower ends of the fixing rods (33) are fixedly installed on the storage tank body (1), the outer side of the fixing rods (33) is sleeved with a rotating cylinder (34), and the second connecting wire (31) passes through between the two fixing rods (33).
7. The explosion-proof device for the vacuum storage tank is characterized in that a transmission rod (35) is arranged on one side of the twisting valve (11), a second rolling bearing (36) is installed at the lower end of the transmission rod (35), the second rolling bearing (36) is fixedly installed on the twisting valve (11), the upper end of the transmission rod (35) penetrates through the protective shell (2) and extends to the outer side of the protective shell (2), a sealing bearing (37) is installed at the crossing position of the transmission rod (35) and the protective shell (2), a first bevel gear (38) is installed at the lower end of the transmission rod (35), a second bevel gear (39) is installed at one end of the rotating shaft (22), the first bevel gear (38) is meshed with the second bevel gear (39), a third rolling bearing (40) is installed at one end of the rotating shaft (22), and the third rolling bearing (40) is installed on the storage tank body (1) through a support rod (41).
8. The explosion-proof device for the vacuum storage tank as claimed in claim 1, characterized in that the circular hole (7) is provided with an annular sealing ring (42) at the upper and lower ends, and the annular sealing ring (42) is sleeved outside the lifting column (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210851832.9A CN115218117B (en) | 2022-07-20 | 2022-07-20 | Explosion-proof device for vacuum storage tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210851832.9A CN115218117B (en) | 2022-07-20 | 2022-07-20 | Explosion-proof device for vacuum storage tank |
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| CN115218117A true CN115218117A (en) | 2022-10-21 |
| CN115218117B CN115218117B (en) | 2024-03-22 |
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| CN202210851832.9A Active CN115218117B (en) | 2022-07-20 | 2022-07-20 | Explosion-proof device for vacuum storage tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118998591A (en) * | 2024-08-21 | 2024-11-22 | 安捷汇物联信息技术（苏州）有限公司 | Cryogenic tank car and safety protection system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3111659U (en) * | 2004-04-15 | 2005-07-28 | チャイナ インターナショナル マリーン コンテナーズ （グループ） カンパニー リミテッド | Support structure between outer shell and inner vessel of ultra vacuum insulation tank for cryogenic liquefied gas |
| KR20090124690A (en) * | 2008-05-30 | 2009-12-03 | 한밭대학교 산학협력단 | Gas cylinder valve replacement device to prevent leakage of toxic gas |
| KR20090132225A (en) * | 2008-06-20 | 2009-12-30 | 삼성중공업 주식회사 | LNG storage tanks and LAN vessels equipped with the same |
| CN206036657U (en) * | 2016-07-22 | 2017-03-22 | 天津良华新能源科技有限公司 | Natural gas air leakage detection device |
| CN108317399A (en) * | 2018-04-02 | 2018-07-24 | 胡琴 | A kind of petrochemical industry production pressure surge tank |
| CN209705722U (en) * | 2019-02-26 | 2019-11-29 | 昆仑能源湖北黄冈液化天然气有限公司 | A kind of anti-leak natural gas storage tanks |
| CN213982994U (en) * | 2020-11-06 | 2021-08-17 | 辛集市聚润生物科技有限公司 | A vacuum automatic balance flowing back jar for furfural production |
| CN215259187U (en) * | 2021-07-16 | 2021-12-21 | 东莞市鑫诚干冰科技有限公司 | High-vacuum multi-layer heat insulation low-temperature storage tank with axial supporting structure |
-
2022
- 2022-07-20 CN CN202210851832.9A patent/CN115218117B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3111659U (en) * | 2004-04-15 | 2005-07-28 | チャイナ インターナショナル マリーン コンテナーズ （グループ） カンパニー リミテッド | Support structure between outer shell and inner vessel of ultra vacuum insulation tank for cryogenic liquefied gas |
| KR20090124690A (en) * | 2008-05-30 | 2009-12-03 | 한밭대학교 산학협력단 | Gas cylinder valve replacement device to prevent leakage of toxic gas |
| KR20090132225A (en) * | 2008-06-20 | 2009-12-30 | 삼성중공업 주식회사 | LNG storage tanks and LAN vessels equipped with the same |
| CN206036657U (en) * | 2016-07-22 | 2017-03-22 | 天津良华新能源科技有限公司 | Natural gas air leakage detection device |
| CN108317399A (en) * | 2018-04-02 | 2018-07-24 | 胡琴 | A kind of petrochemical industry production pressure surge tank |
| CN209705722U (en) * | 2019-02-26 | 2019-11-29 | 昆仑能源湖北黄冈液化天然气有限公司 | A kind of anti-leak natural gas storage tanks |
| CN213982994U (en) * | 2020-11-06 | 2021-08-17 | 辛集市聚润生物科技有限公司 | A vacuum automatic balance flowing back jar for furfural production |
| CN215259187U (en) * | 2021-07-16 | 2021-12-21 | 东莞市鑫诚干冰科技有限公司 | High-vacuum multi-layer heat insulation low-temperature storage tank with axial supporting structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118998591A (en) * | 2024-08-21 | 2024-11-22 | 安捷汇物联信息技术（苏州）有限公司 | Cryogenic tank car and safety protection system |
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| CN115218117B (en) | 2024-03-22 |
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