CN115468714B - Air tightness detection device for natural gas equipment - Google Patents
Air tightness detection device for natural gas equipment Download PDFInfo
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- CN115468714B CN115468714B CN202211086541.1A CN202211086541A CN115468714B CN 115468714 B CN115468714 B CN 115468714B CN 202211086541 A CN202211086541 A CN 202211086541A CN 115468714 B CN115468714 B CN 115468714B
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- ring
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 56
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000003345 natural gas Substances 0.000 title claims abstract description 27
- 238000003860 storage Methods 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000005187 foaming Methods 0.000 claims description 49
- 239000007788 liquid Substances 0.000 claims description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 238000012360 testing method Methods 0.000 claims description 21
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 20
- 239000012528 membrane Substances 0.000 claims description 19
- RAOIDOHSFRTOEL-UHFFFAOYSA-N tetrahydrothiophene Chemical compound C1CCSC1 RAOIDOHSFRTOEL-UHFFFAOYSA-N 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 229910052697 platinum Inorganic materials 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 3
- 230000001877 deodorizing effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/12—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses an air tightness detection device for natural gas equipment, which relates to the technical field of storage tanks, and has the technical scheme that the air tightness detection device comprises a storage tank, wherein a tank opening is formed in the storage tank, a tank cover is connected in a sealing manner in the tank opening, a detection piece for detecting the air tightness between the tank cover and the tank opening is arranged in the tank cover, and a control piece for controlling the use of the detection piece is arranged on the detection piece.
Description
Technical Field
The invention relates to the technical field of storage tanks, in particular to an air tightness detection device for natural gas equipment.
Background
The storage tank is used for storing chemicals extracted from acid, alkali, alcohol, gas, liquid and the like. The storage tank is basically provided with: polyethylene storage tanks, polypropylene storage tanks, glass fiber reinforced plastic storage tanks, ceramic storage tanks, rubber storage tanks, stainless steel storage tanks, and the like.
At present, before the natural gas storage tank on the market is transported, the air tightness of the storage tank is required to be detected, an additional special detection instrument is generally adopted for detection, the problem that the special detection instrument forgets to carry is easily caused by adopting the mode, and the possibility of natural gas leakage at any time still exists even when the natural gas storage tank is transported after the detection is qualified.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an air tightness detection device for natural gas equipment.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a gas tightness detection device for natural gas equipment, includes the storage tank, set up the jar mouth in the storage tank, sealing connection has the cover in the jar mouth, be provided with the detection spare that is used for detecting gas tightness between cover and the jar mouth in the cover, just be provided with the control piece that is used for controlling the detection spare to use on the detection spare, be provided with the auxiliary member that is used for amplifying the observation effect of detection spare on the jar mouth, the cover bottom is provided with the sealing member, be provided with the stink spare on the sealing member, and stink spare and early warning spare link to each other.
Preferably, the detection piece comprises a foaming cavity, the foaming cavity is arranged in a tank cover, the detection cavity is arranged in the tank cover, an operating rod penetrates through the upper surface of the tank cover and stretches out of the tank cover and is connected with the operating rod in a sliding mode, the operating rod penetrates through the inner side of the detection cavity and is connected with a round roller in a sliding mode, the lower end of the operating rod is fixedly connected with a round roller, a sealing plug is fixedly connected to the upper side of the round roller, the sealing plug penetrates through the side wall of the bottom of the foaming cavity and is connected with the sliding mode, a groove is arranged on the sealing plug, a guide groove is arranged on the round roller corresponding to the groove, a telescopic rod is hinged to the bottom of the round roller, a C-shaped inclined frame is hinged to the telescopic rod, a sponge is fixedly connected to the outer side of the C-shaped inclined frame, and a test groove is arranged on the inner side wall of the tank opening.
Preferably, the control member comprises annular grooves, two groups of annular grooves are formed in the side wall of the tank cover, vertical cavities are formed between the two groups of annular grooves, clamping rods extend into the annular grooves, and the clamping rods are fixedly connected to the side wall of the operating rod.
Preferably, the sealing element comprises a ring cavity, a notch is formed in the bottom of the C-shaped inclined frame, a piston rod penetrates through and extends out of the ring cavity and is elastically connected with the ring cavity, a wedge block is fixedly connected to the upper end of the piston rod, an inclined ring hole is formed in the bottom of the ring cavity, and one end of the inclined ring hole is fixedly connected with an annular elastic membrane.
Preferably, the odor generating piece comprises tetrahydrothiophene liquid, the tetrahydrothiophene liquid is placed in the annular elastic membrane, an inclined straight pipe is fixedly communicated in the inclined annular hole, a containing cavity is adjacently arranged in the inclined straight pipe, a sealing piece is connected in a sliding manner in the inclined straight pipe, an F rod is fixedly connected with the sealing piece, the F rod penetrates through and stretches out, and is connected with a compression ring in a sliding manner, a plurality of groups of puncture nails are fixedly connected on the compression ring at equal intervals in an annular mode, and the puncture nails are located under the annular elastic membrane.
Preferably, the early warning piece comprises an iron sheet, the iron sheet is fixedly connected to the upper surface of the compression ring, a perforation is formed in the position, corresponding to the iron sheet, on the F rod, an alarm is arranged on the tank cover, two groups of platinum sheets are symmetrically and fixedly connected to the inner wall of the perforation, and the platinum sheets are respectively electrically connected with the alarm and a power supply through wires.
Preferably, the auxiliary piece comprises a ring block, wherein a protruding penetrating strip is fixedly connected to the ring block, and the protruding penetrating strip is fixedly connected to the inner wall of the test groove.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, foaming liquid is injected into the foaming cavity, the operation rod is rotated, the clamping rod on the operation rod is aligned with the vertical cavity, the operation rod is pressed downwards, the clamping rod extends into the annular groove below, at the moment, the groove outlet part on the sealing plug is positioned in the detection cavity, the foaming liquid in the foaming cavity can flow onto the sponge through the groove outlet and pass through the C-shaped inclined frame and is absorbed by the sponge, the operation rod moves downwards so as to squeeze the C-shaped inclined frame and promote the C-shaped inclined frame to extend into the test groove, the operation rod is rotated so that the C-shaped inclined frame and the sponge rotate, the sponge is continuously separated out of the foaming liquid and is smeared in the bottom of the test groove and a gap between the C-shaped inclined frame and the sponge, when leakage occurs between the tank cover and the tank opening, the foaming liquid in the gap between the tank cover and the tank opening is foamed, and the air tightness between the tank opening is checked by observing the foaming condition of the foaming liquid, and a tool and an instrument for additionally specially checking the air tightness are not needed, so that the situation that a user forgets to bring about the tool is required to check the air tightness when the storage tank and natural gas in the storage tank is transported can be prevented, and the portable detection can be carried out at any time;
2. according to the invention, through designing the convex penetrating strip, the convex penetrating strip adopts the principle of magnifying the phase of the magnifying glass, and can amplify the foaming details in the bottom of the test groove and the gap between the bottom of the test groove and the tank cover, so that the fine condition of foaming liquid can be observed conveniently;
3. after the detection of the detection piece is finished, the operation rod is moved upwards to clamp the clamping rod in the annular groove at the upper layer, the outlet groove is positioned in the foaming cavity, foaming liquid in the foaming cavity is difficult to flow downwards, the C-shaped inclined frame is pulled back into the detection cavity by the operation rod, the wedge block is extruded to move downwards, the piston rod moves downwards to force air flow in the annular cavity to be filled into the annular elastic membrane through the inclined annular hole so as to expand the annular elastic membrane, and the annular elastic membrane is blocked in a gap between the tank opening and the tank cover, so that leakage of the storage tank during transportation can be further prevented; when the C-shaped inclined frame stretches into the test groove, the wedge block stretches into the notch, so that air flow in the annular elastic film leaves, the annular elastic film is sucked into the inclined annular hole, and normal operation of the detection piece is not affected;
4. according to the invention, after the detection of the detection piece is finished, according to the principle, when the operation rod moves downwards, the air flow moves into the inclined ring hole and forces the sealing piece to move, so that the puncture nails are conveyed out of the accommodating cavity, when the storage tank leaks in transportation, the natural gas in the storage tank jacks up the compression ring to move upwards, so that the puncture nails are driven to move upwards, the annular elastic membrane is punctured, the tetrahydrothiophene liquid in the annular elastic membrane flows out, and the natural gas emits unpleasant smell when passing through the tetrahydrothiophene liquid to the outer side of the storage tank, so that the leakage of the storage tank is found, and compared with the traditional method of directly mixing the natural gas and the tetrahydrothiophene liquid, the adopted tetrahydrothiophene liquid is smaller, so that the production cost of enterprises can be reduced, the natural gas is not mixed with the tetrahydrothiophene liquid, and the natural gas is purer, and the quality is higher;
5. when the pressure ring moves upwards, the iron sheet moves upwards to extend into the perforation and contact with both groups of platinum sheets, so that the pressure ring is electrified, and the alarm gives an alarm.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is an interior view of the can lid of the present invention;
FIG. 3 is a structural view of the seal of the present invention;
FIG. 4 is a combined view of the lever and roller of the present invention;
fig. 5 is a structural view of the deodorizing member according to the present invention;
FIG. 6 is an enlarged view of FIG. 2A in accordance with the present invention;
fig. 7 is an enlarged view of B of fig. 5 in accordance with the present invention.
In the figure: 1. a storage tank; 11. a tank opening; 12. a can lid; 2. a detecting member; 21. a foaming chamber; 22. a detection chamber; 23. an operation lever; 24. a round roller; 25. a sealing plug; 26. discharging the groove; 27. a diversion trench; 28. a telescopic rod; 29. c-shaped inclined frame; 291. a sponge; 292. a test slot; 3. a control member; 31. a ring groove; 32. a vertical cavity; 33. a clamping rod; 4. a seal; 41. a ring cavity; 42. a notch; 43. a piston rod; 44. a wedge; 45. an inclined ring hole; 46. an annular elastic membrane; 5. a deodorizing member; 51. tetrahydrothiophene liquid; 52. a straight inclined tube; 53. a sealing sheet; 54. a receiving chamber; 55. f, a rod; 56. a compression ring; 57. puncturing nails; 6. an early warning member; 61. iron sheet; 62. perforating; 63. a platinum sheet; 64. an alarm; 7. an auxiliary member; 71. a ring block; 72. protruding penetrating strips.
Detailed Description
An embodiment of a tightness detection device for natural gas equipment according to the present invention will be further described with reference to fig. 1 to 7.
The utility model provides a gas tightness detection device for natural gas equipment, includes storage tank 1, tank opening 11 has been seted up in the storage tank 1, sealing connection has tank cover 12 in the tank opening 11, be provided with in the tank cover 12 and be used for detecting the detecting element 2 of gas tightness between tank cover 12 and the tank opening 11, just be provided with the control piece 3 that is used for controlling detecting element 2 to use on the detecting element 2, be provided with the auxiliary member 7 that is used for amplifying the observation effect that detects element 2 on the tank opening 11, tank cover 12 bottom is provided with sealing member 4, be provided with the piece 5 of stinking on the sealing member 4, and the piece 5 of stinking links to each other with early warning piece 6.
As an embodiment of the present invention, as shown in fig. 2 and fig. 4, the detecting element 2 includes a foaming cavity 21, the foaming cavity 21 is formed in the can lid 12, a detecting cavity 22 is formed in the can lid 12, an operating rod 23 is extended through the upper surface of the can lid 12 and slidingly connected with the detecting cavity 22, the operating rod 23 is extended through the detecting cavity 22 and slidingly connected with a round roller 24, a sealing plug 25 is fixedly connected above the round roller 24, the sealing plug 25 extends through a sidewall of the bottom of the foaming cavity 21 and slidingly connected with the sealing plug 25, a groove 26 is formed in the sealing plug 25, a guiding groove 27 is formed in the round roller 24 corresponding to the groove 26, a telescopic rod 28 is hinged at the bottom of the round roller 24, a C-shaped inclined frame 29 is hinged on the telescopic rod 28, a sponge 291 is fixedly connected with the outer side of the C-shaped inclined frame 29, and a test groove 292 is formed in the inner sidewall of the can opening 11.
In operation, the operation rod 23 moves downwards so that the part of the outlet groove 26 on the sealing plug 25 is positioned in the detection cavity 22, the foaming liquid in the foaming cavity 21 can flow onto the sponge 291 through the outlet groove 26 and pass through the C-shaped inclined frame 29 and is absorbed by the sponge 291, the operation rod 23 moves downwards so as to squeeze the C-shaped inclined frame 29 and enable the C-shaped inclined frame 29 to extend into the test groove 292, the operation rod 23 rotates so as to enable the C-shaped inclined frame 29 and the sponge 291 to rotate, the sponge 291 continuously separates out the foaming liquid and is smeared at the bottom of the test groove 292 and in the gap between the bottom and the test groove, when leakage occurs between the tank cover 12 and the tank opening 11, the foaming liquid in the gap between the tank cover 12 and the tank opening 11 can be foamed, the air tightness between the tank opening 11 and the tank cover 12 can be checked by observing the foaming condition of the foaming liquid, and the detection mode can prevent the situation that a relevant tool and instrument need to be forgotten to be checked when the storage tank 1 and natural gas in the tank are transported.
As an embodiment of the present invention, as shown in fig. 6, the control member 3 includes two sets of ring grooves 31, the ring grooves 31 are provided with two sets of ring grooves and are opened in the side wall of the can cover 12, a vertical cavity 32 is opened between the two sets of ring grooves 31, a clamping rod 33 extends into the ring grooves 31, and the clamping rod 33 is fixedly connected to the side wall of the operating rod 23.
When the device works, foaming liquid is injected into the foaming cavity 21, the operating rod 23 is rotated, the clamping rod 33 on the operating rod 23 is aligned with the vertical cavity 32, the operating rod 23 is pressed downwards, the clamping rod 33 extends into the annular groove 31 below, so that the opening of the detecting piece 2 can be controlled, and conversely, the closing of the detecting piece can be controlled.
As an embodiment of the present invention, as shown in fig. 2 and fig. 3, the sealing member 4 includes a ring cavity 41, a notch 42 is provided at the bottom of the C-shaped inclined frame 29, a piston rod 43 is elastically connected to the ring cavity 41 and extends through the ring cavity 41, a wedge 44 is fixedly connected to the upper end of the piston rod 43, an inclined ring hole 45 is provided at the bottom of the ring cavity 41, and an annular elastic membrane 46 is fixedly connected to one end of the inclined ring hole 45.
When the detecting part 2 is in operation, after the detection part 2 is detected, the operating rod 23 is moved upwards to clamp the clamping rod 33 in the annular groove 31 on the upper layer, at the moment, the whole outlet groove 26 is positioned in the foaming cavity 21, foaming liquid in the foaming cavity 21 is difficult to flow downwards, the C-shaped inclined frame 29 is pulled back into the detecting cavity 22 by the operating rod 23, at the moment, the wedge block 44 is extruded to move downwards, the piston rod 43 moves downwards to force air flow in the annular cavity 41 to be filled into the annular elastic film 46 through the inclined annular hole 45 so as to expand the annular elastic film, and the air flow is blocked in a gap between the tank opening 11 and the tank cover 12, so that leakage of the storage tank 1 can be further prevented when the detecting part 2 is in operation, and when the C-shaped inclined frame 29 stretches into the testing groove 292, the wedge block 44 stretches into the notch 42, so that the air flow in the annular elastic film 46 is separated, and the annular elastic film 46 is sucked into the inclined annular elastic film 45, so that normal operation of the detecting part 2 is not affected.
As an embodiment of the present invention, as shown in fig. 2, 3 and 5, the odor generating member 5 includes a tetrahydrothiophene solution 51, the tetrahydrothiophene solution 51 is placed in the annular elastic membrane 46, an inclined straight tube 52 is fixedly connected in the inclined ring hole 45, a receiving cavity 54 is adjacently disposed in the inclined straight tube 52, a sealing piece 53 is slidably connected in the inclined straight tube 52, an F rod 55 is fixedly connected to the sealing piece 53, a compression ring 56 is extended through the F rod 55 and slidably connected to the F rod 55, a plurality of groups of spikes 57 are fixedly connected to the compression ring 56 at equal intervals in an annular shape, and the spikes 57 are located under the annular elastic membrane 46.
When the detection piece 2 is detected, according to the principle, when the operation rod 23 moves downwards, air flows partially into the inclined ring hole 45 and forces the sealing piece 53 to move, so that the puncture nails 57 are conveyed out of the accommodating cavity 54, when the storage tank 1 leaks in transportation, natural gas in the storage tank 1 can jack up the compression ring 56 to move upwards, so that the puncture nails 57 are driven to move upwards, the annular elastic membrane 46 is punctured, tetrahydrothiophene liquid 51 in the annular elastic membrane 46 flows out, natural gas emits unpleasant smell when passing through the tetrahydrothiophene liquid 51 to the outer side of the storage tank 1, and leakage of the storage tank 1 is detected.
As an embodiment of the present invention, as shown in fig. 2, 5 and 7, the early warning member 6 includes an iron sheet 61, the iron sheet 61 is fixedly connected to the upper surface of the compression ring 56, a perforation 62 is formed on the F rod 55 corresponding to the iron sheet 61, an alarm 64 is provided on the can cover 12, two groups of platinum sheets 63 are symmetrically and fixedly connected to the inner wall of the perforation 62, and the platinum sheets 63 are respectively electrically connected with the alarm 64 and the power supply through wires.
In operation, when the pressure-receiving ring 56 moves upward, the iron piece 61 moves upward to extend into the through hole 62 and contact both platinum pieces 63, so that the pressure-receiving ring is energized, and the alarm 64 alarms.
As an embodiment of the present invention, as shown in FIG. 2, the auxiliary member 7 includes a ring block 71, a protruding strip 72 is fixedly connected to the ring block 71, and the protruding strip 72 is fixedly connected to the inner wall of the test slot 292.
In operation, the male penetration strip 72 uses the principle of magnifying the phase of the magnifying glass to magnify the foaming details in the bottom of the test tank 292 and the gap between the bottom and the can cover 12, thereby facilitating the observation of the subtle condition of the foaming liquid.
Working principle: injecting foaming liquid into the foaming cavity 21, rotating the operating rod 23 and enabling the clamping rod 33 on the operating rod 23 to be aligned with the vertical cavity 32, pressing the operating rod 23 downwards to enable the clamping rod 33 to extend into the annular groove 31 below, at the moment, partial area of the outlet groove 26 on the sealing plug 25 is located in the detection cavity 22, the foaming liquid in the foaming cavity 21 can flow onto the sponge 291 through the outlet groove 26 and pass through the C-shaped inclined frame 29 and be absorbed by the sponge 291, the operating rod 23 moves downwards to push the C-shaped inclined frame 29 and enable the C-shaped inclined frame 29 to extend into the test groove 292, the operating rod 23 rotates to enable the C-shaped inclined frame 29 and the sponge 291 to rotate, the sponge 291 is continuously separated out of the foaming liquid and is smeared at the bottom of the test groove 292 and in a gap between the sponge 291, when leakage occurs between the tank cover 12 and the tank cover 11, the foaming liquid in the gap between the tank cover 12 and the tank cover 11 is foamed, and the air tightness between the tank cover 11 is checked by observing the foaming condition of the foaming liquid, and a special checking tool and an instrument for checking the air tightness are not needed in the detection mode, and a portable air tightness detecting mode can be prevented from being forgotten in the transportation and the inside and the tank 1 and the corresponding detecting mode;
the convex penetrating strip 72 adopts the principle of magnifying the phase of a magnifying glass, and can magnify the foaming details in the bottom of the test groove 292 and the gap between the bottom and the tank cover 12, so that the fine condition of foaming liquid can be observed conveniently;
after the detection of the detection piece 2 is completed, the operation rod 23 is moved upwards to clamp the clamping rod 33 in the annular groove 31 on the upper layer, at the moment, the whole outlet groove 26 is positioned in the foaming cavity 21, foaming liquid in the foaming cavity 21 is difficult to flow downwards, the C-shaped inclined frame 29 is pulled back into the detection cavity 22 by the operation rod 23, at the moment, the wedge block 44 is extruded to move downwards, the piston rod 43 moves downwards to force air flow in the annular cavity 41 to be filled into the annular elastic film 46 through the inclined annular hole 45 so as to expand the annular elastic film, and the air flow is blocked in a gap between the tank opening 11 and the tank cover 12, so that leakage of the storage tank 1 can be further prevented when the detection piece 2 works, and when the C-shaped inclined frame 29 stretches into the test groove 292, the wedge block 44 stretches into the notch 42 so that the air flow in the annular elastic film 46 leaves, and the annular elastic film 46 is sucked into the inclined annular elastic film 45, so that normal operation of the detection piece 2 is not affected;
after the detection of the detecting member 2 is completed, according to the above principle, when the operation rod 23 moves downwards, there is an airflow movement, and the airflow part moves into the inclined ring hole 45 and forces the sealing piece 53 to move, so that the piercing spike 57 is carried out of the accommodating cavity 54, when the storage tank 1 leaks in transportation, the natural gas in the storage tank 1 can jack up the compression ring 56 to move upwards, so that the piercing spike 57 is driven to move upwards, thus piercing the annular elastic membrane 46, the tetrahydrothiophene liquid 51 in the annular elastic membrane 46 flows out, and the natural gas emits an unpleasant smell when passing through the tetrahydrothiophene liquid 51 to the outside of the storage tank 1, so that the leakage of the storage tank 1 is found.
When the pressure ring 56 moves upward, the iron piece 61 moves upward so as to protrude into the through hole 62 and come into contact with both sets of platinum pieces 63, so that it is energized, and the alarm 64 alarms.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (5)
1. Gas tightness detection device for natural gas equipment, comprising a storage tank (1), characterized in that: the novel anti-odor device is characterized in that a tank opening (11) is formed in the storage tank (1), a tank cover (12) is connected to the tank opening (11) in a sealing mode, a detection piece (2) for detecting air tightness between the tank cover (12) and the tank opening (11) is arranged in the tank cover (12), a control piece (3) for controlling the detection piece (2) to be used is arranged on the detection piece (2), an auxiliary piece (7) for amplifying the observation effect of the detection piece (2) is arranged on the tank opening (11), a sealing piece (4) is arranged at the bottom of the tank cover (12), an odor generating piece (5) is arranged on the sealing piece (4), and the odor generating piece (5) is connected with an early warning piece (6);
the detection piece (2) comprises a foaming cavity (21), the foaming cavity (21) is formed in a tank cover (12), a detection cavity (22) is formed in the tank cover (12), an operation rod (23) is penetrated and stretched out from the upper surface of the tank cover (12) in a sliding manner, the operation rod (23) is penetrated and stretched into the detection cavity (22) in a sliding manner, the lower end of the operation rod (23) is fixedly connected with a round roller (24), a sealing plug (25) is fixedly connected above the round roller (24), the sealing plug (25) penetrates through the side wall of the bottom of the foaming cavity (21) and is in sliding connection, a groove (26) is formed in the sealing plug (25), a guide groove (27) is formed in the round roller (24) corresponding to the groove (26), a telescopic rod (28) is hinged to the bottom of the round roller (24), a C-shaped inclined frame (29) is hinged to the telescopic rod (28), a sealing plug (291) is fixedly connected to the outer side of the C-shaped inclined frame (29), and a test groove (292) is formed in the inner side wall of the tank opening (11).
The control piece (3) comprises annular grooves (31), the annular grooves (31) are provided with two groups and are formed in the side wall of the tank cover (12), vertical cavities (32) are formed between the two groups of annular grooves (31), clamping rods (33) extend into the annular grooves (31), and the clamping rods (33) are fixedly connected to the side wall of the operating rod (23).
2. The tightness detection device for natural gas equipment according to claim 1, wherein: the sealing piece (4) comprises a ring cavity (41), a notch (42) is formed in the bottom of the C-shaped inclined frame (29), a piston rod (43) penetrates through and stretches out of the ring cavity (41) and is elastically connected with the ring cavity, a wedge block (44) is fixedly connected to the upper end of the piston rod (43), an inclined ring hole (45) is formed in the bottom of the ring cavity (41), and an annular elastic membrane (46) is fixedly connected to one end of the inclined ring hole (45).
3. The tightness detection device for natural gas equipment according to claim 2, wherein: the odor generating piece (5) comprises tetrahydrothiophene liquid (51), the tetrahydrothiophene liquid (51) is placed in an annular elastic membrane (46), an inclined straight pipe (52) is fixedly communicated in an inclined ring hole (45), an accommodating cavity (54) is adjacently arranged on the inclined straight pipe (52), a sealing piece (53) is connected in a sliding mode in the inclined straight pipe (52), an F rod (55) is fixedly connected to the sealing piece (53), a compression ring (56) penetrates through the F rod (55) to extend out and is connected in a sliding mode, a plurality of groups of spikes (57) are fixedly connected to the compression ring (56) in an annular equidistant mode, and the spikes (57) are located under the annular elastic membrane (46).
4. A gas tightness detection device for a natural gas plant according to claim 3, characterized in that: the early warning piece (6) comprises an iron sheet (61), the iron sheet (61) is fixedly connected to the upper surface of the compression ring (56), a through hole (62) is formed in the F rod (55) corresponding to the iron sheet (61), an alarm (64) is arranged on the tank cover (12), two platinum sheets (63) are symmetrically and fixedly connected to the inner wall of the through hole (62), and the platinum sheets (63) are respectively electrically connected with the alarm (64) and a power supply through wires.
5. The tightness detection device for natural gas equipment according to claim 4, wherein: the auxiliary piece (7) comprises a ring block (71), wherein a protruding penetrating strip (72) is fixedly connected to the ring block (71), and the protruding penetrating strip (72) is fixedly connected to the inner wall of the test groove (292).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211086541.1A CN115468714B (en) | 2022-09-06 | 2022-09-06 | Air tightness detection device for natural gas equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211086541.1A CN115468714B (en) | 2022-09-06 | 2022-09-06 | Air tightness detection device for natural gas equipment |
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Publication Number | Publication Date |
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CN115468714A CN115468714A (en) | 2022-12-13 |
CN115468714B true CN115468714B (en) | 2023-11-21 |
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CN202211086541.1A Active CN115468714B (en) | 2022-09-06 | 2022-09-06 | Air tightness detection device for natural gas equipment |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20110004497A (en) * | 2009-07-08 | 2011-01-14 | 대우조선해양 주식회사 | Method and apparatus for determining leakage location in an independence type storage tank |
CN207147720U (en) * | 2017-09-08 | 2018-03-27 | 安徽长安专用汽车制造有限公司 | For leakage inspector at the top of shelter |
CN216116555U (en) * | 2021-11-12 | 2022-03-22 | 宁德时代新能源科技股份有限公司 | Air tightness detection device |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR20110004497A (en) * | 2009-07-08 | 2011-01-14 | 대우조선해양 주식회사 | Method and apparatus for determining leakage location in an independence type storage tank |
CN207147720U (en) * | 2017-09-08 | 2018-03-27 | 安徽长安专用汽车制造有限公司 | For leakage inspector at the top of shelter |
CN216116555U (en) * | 2021-11-12 | 2022-03-22 | 宁德时代新能源科技股份有限公司 | Air tightness detection device |
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