CN213543941U - Air leakage prevention type detection device suitable for precession vortex flowmeter - Google Patents
Air leakage prevention type detection device suitable for precession vortex flowmeter Download PDFInfo
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- CN213543941U CN213543941U CN202022208564.8U CN202022208564U CN213543941U CN 213543941 U CN213543941 U CN 213543941U CN 202022208564 U CN202022208564 U CN 202022208564U CN 213543941 U CN213543941 U CN 213543941U
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Abstract
The utility model discloses a be applicable to precession vortex flowmeter and use leak protection gas formula detection device belongs to airtight detection technical field, be applicable to precession vortex flowmeter and include airtight tank and No. two airtight tanks with leak protection gas formula detection device, airtight tank and No. two airtight tanks include left shell and right shell, the ring flange has been seted up to left side shell and right shell one side, the screw has connect the bolt soon between the ring flange, airtight tank upper end fixedly connected with air duct A, No. two airtight tank upper end fixedly connected with air duct B. The utility model discloses well gas collection case comprises outer casing and inner box shell, is the cavity structure between outer casing and the inner box shell to take out into the vacuum through the exhaust tube, and have one deck heat preservation coating 7 through the spraying of outer box shell surface, for the gas collection case carries out thermal-insulated heat preservation, avoid the gas collection case to receive external environment to influence inside atmospheric pressure, be fit for being extensively promoted and used.
Description
Technical Field
The utility model relates to an airtight detection technical field especially relates to a be applicable to precession vortex flowmeter and use leak protection gas formula detection device.
Background
A flow meter is a meter that indicates the measured flow rate and the total amount of fluid that has been flowing during a selected time interval. Simply a meter for measuring the flow of fluid in a pipe or open channel. The flow meters are classified into differential pressure type flow meters, rotor flow meters, throttle type flow meters, slit flow meters, volumetric flow meters, electromagnetic flow meters, ultrasonic flow meters, and the like. Classifying according to media: liquid flow meters and gas flow meters.
Patent No. CN204924592U discloses a portable gas tightness detection device, including waiting to examine equipment, it corresponds with the hyperbaric chamber and links to each other to examine equipment, is equipped with portable box with the corresponding outside in hyperbaric chamber, portable box inside is equipped with the air pump, and the interval is equipped with flowmeter, electrical control valve and manual valve in proper order on the first gas conduit that the gas outlet of air pump extends, portable box lateral wall is equipped with the venthole that can hold first gas conduit and pass, and the first gas conduit that extends from the venthole links to each other with the hyperbaric chamber, the hyperbaric chamber still outwards extends has the second gas conduit, portable box lateral wall is equipped with the pressure measurement hole that can hold the second gas conduit and pass, and the extension gets into the inside second gas conduit end connection of portable box has the manometer. The utility model discloses can accurately detect civil air defense engineering protective apparatus's gas tightness, measure protective apparatus's air leakage, it is convenient to remove, the operation of being convenient for, the integrated level is high, measures accurately.
At present, the air leakage prevention type detection device applicable to the precession vortex flowmeter is technically not enough: 1. the flowmeter is inconvenient to install during detection and has a complex integral structure; 2. the internal gas of the flowmeter is easily influenced by the external temperature, so that the internal gas pressure is influenced, and the final gas pressure change detection precision is influenced. Therefore, the air leakage prevention type detection device suitable for the precession vortex flowmeter is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be applicable to precession vortex flowmeter and use leak protection gas formula detection device, the gas collecting tank comprises outer casing and inner box shell, is the cavity structure between outer casing and the inner box shell to take out into the vacuum through the exhaust tube, and have one deck heat preservation coating 7 through spraying at outer box shell surface, for the gas collecting tank carries out thermal-insulated heat preservation, avoid the gas collecting tank to receive external environment to influence inside atmospheric pressure, can effectively solve the problem in the background art.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of be applicable to precession vortex flowmeter and use leak protection gas formula detection device, including airtight tank and No. two airtight tanks, airtight tank and No. two airtight tanks include left tank shell and right tank shell, the ring flange has been seted up to left side tank shell and right tank shell one side, the screw thread has connect the bolt soon between the ring flange, airtight tank upper end fixedly connected with air duct A, No. two airtight tank upper end fixedly connected with air duct B, air duct A and air duct B upper end fixedly connected with gas collection tank, the gas collection tank includes outer container shell, outer container inside wall fixedly connected with inner box shell, be the spraying cavity structure between outer container shell and the inner box, outer container shell surface has the heat preservation coating.
Optionally, a pressure gauge is installed at the upper end of the gas collection box.
Optionally, the upper end of the outer casing is fixedly connected with an exhaust tube, and a sealing cover is screwed on the upper end of the exhaust tube.
Optionally, sealing rings a are bonded to the inner side walls of the left tank shell and the right tank shell.
Optionally, the outer surface of the flange plate is bonded with a sealing ring B.
The utility model has the advantages as follows:
1. the utility model is practical, convenient to operate and good in use effect, the bolts used for connecting the first airtight tank and the second airtight tank are disassembled by using related tools, so that the left tank shell and the right tank shell are disassembled, the disassembled first airtight tank and the second airtight tank are respectively sleeved outside the connecting positions of the flowmeter and the pipelines at two sides, the flange plates on the left tank shell and the right tank shell are in one-to-one correspondence according to the through hole positions, the bolts are reassembled, the first airtight tank and the second airtight tank are completely sealed by the sealing ring A and the sealing ring B, gas permeating from the gap between the flowmeter and the connecting positions of the pipelines at two sides is conducted into the gas collection box through the gas guide tube A and the gas guide tube B, finally, the pressure detection is carried out through the pressure gauge, the gas leakage detection is carried out on the flowmeter, the whole structure is simple, the installation is convenient, and the, the problems that the conventional flowmeter is inconvenient to install when being detected and has a complex overall structure are solved.
2. In the utility model, the gas collection box is composed of an outer box shell and an inner box shell, a cavity structure is arranged between the outer box shell and the inner box shell, the outer surface of the outer box shell is sprayed with a heat-insulating coating 7, the heat-insulating coating 7 is made of HX-012 high-temperature-resistant coating, the HX-012 high-temperature-resistant coating is a new material derived from space technology for heat insulation of spacecrafts, and has the advantages of water resistance, fire resistance, corrosion resistance, wear resistance, insulation and the like, the coating is applied to the latest nano ceramic technology, the product comprises high-temperature binder, nanometer high-temperature ceramic microspheres, various high-temperature fillers and special additives, and is used for insulating heat and preserving heat of the gas collection box, so that the gas collection box is prevented from being influenced by the internal air pressure by the external environment, and the problems that the internal air pressure of the conventional flowmeter is easily influenced by the external temperature, so that the internal air pressure is influenced and the final air pressure change detection precision is influenced are solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of an air leakage prevention type detection device for a vortex precession flowmeter according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a gas collecting box of the gas leakage prevention detection device for the vortex precession flowmeter according to the embodiment of the present invention;
fig. 3 is a schematic front view of a gas-tight tank of the gas leakage prevention detection device for a vortex precession flowmeter according to an embodiment of the present invention;
fig. 4 is a schematic view of a thermal insulation coating layer of the gas leakage prevention detection device for the vortex precession flowmeter according to the embodiment of the present invention;
in the figure: 1. a first airtight tank; 2. a second airtight tank; 3. a left tank shell; 4. a right tank shell; 5. a flange plate; 6. a bolt; 7. a heat-insulating coating; 8. an air duct A; 9. an air duct B; 10. a gas collection tank; 101. an outer case; 102. an inner box shell; 103. an air exhaust pipe; 104. a sealing cover; 11. a pressure gauge; 12. a sealing ring A; 13. and a sealing ring B.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An air leakage prevention type detection device for a vortex precession flowmeter according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.
As shown in fig. 1-4, an air leakage prevention type detection device suitable for a precession vortex flowmeter comprises a first airtight tank 1 and a second airtight tank 2, wherein the first airtight tank 1 and the second airtight tank 2 comprise a left tank shell 3 and a right tank shell 4, a flange 5 is arranged on one side of each of the left tank shell 3 and the right tank shell 4, a bolt 6 is screwed between the flange 5 in a threaded manner, an air guide tube A8 is fixedly connected to the upper end of the first airtight tank 1, an air guide tube B9 is fixedly connected to the upper end of the second airtight tank 2, an air collection box 10 is fixedly connected to the upper ends of the air guide tube A8 and the air guide tube B9, the air collection box 10 comprises an outer tank shell 101, an inner tank shell 102 is fixedly connected to the inner side wall of the outer tank shell 101, a cavity structure is formed between the outer tank shell 101 and the inner tank shell 102, and a heat preservation coating.
In this embodiment, as shown in fig. 1 to 4, bolts 6 for connecting a first airtight tank 1 and a second airtight tank 2 are detached by using a relevant tool, so as to detach a left tank shell 3 and a right tank shell 4, then the detached first airtight tank 1 and second airtight tank 2 are respectively sleeved outside the positions where the flowmeter is connected with the two side pipelines, flanges 5 on the left tank shell 3 and the right tank shell 4 are in one-to-one correspondence according to the positions of through holes, then the bolts 6 are reassembled, a sealing ring a12 and a sealing ring B13 completely seal the first airtight tank 1 and the second airtight tank 2, gas permeating from the gap between the flowmeter and the positions where the two side pipelines are connected is conducted into a gas collection box 10 through a gas guide tube A8 and a gas guide tube B9, finally, gas pressure detection is performed through a pressure gauge 11, gas leakage detection is performed on the flowmeter, the overall structure is simple, the flowmeter is convenient to mount and high in practicability, and the problems that the conventional flowmeter is inconvenient to mount during detection and the overall structure is complex are solved; the gas collection box 10 is composed of an outer box 101 and an inner box 102, a cavity structure is formed between the outer box 101 and the inner box 102, the outer casing 101 is vacuumized through the air exhaust pipe 103, and the outer surface of the outer casing 101 is sprayed with a layer of heat-insulating coating 7, the heat-insulating coating 7 is made of HX-012 high-temperature-resistant coating, the HX-012 high-temperature-resistant coating is a new material derived from space technology for heat insulation of spacecrafts, and has the advantages of water resistance, fire resistance, corrosion resistance, wear resistance, insulation and the like, the coating is applied to the latest nano ceramic technology, the product comprises high-temperature binder, nanometer high-temperature ceramic microspheres, various high-temperature fillers and special additives, and is used for insulating heat and preserving heat of the gas collection box 10, so that the gas collection box 10 is prevented from being influenced by the internal gas pressure by the external environment, and the problem that the internal gas pressure of the conventional flowmeter is influenced by the external temperature easily, so that the internal gas pressure is influenced and the final gas pressure change detection precision is influenced is solved.
Wherein, the manometer 11 is installed to the gas collection case 10 upper end.
In this embodiment, as shown in fig. 1, air pressure detection is performed by a pressure gauge 11.
The upper end of the outer case 101 is fixedly connected with an exhaust tube 103, and the upper end of the exhaust tube 103 is screwed with a sealing cover 104.
In this embodiment, as shown in fig. 2, the vacuum is pumped by the pumping pipe 103, and the sealing cover 104 is screwed tightly to form a vacuum environment, so as to improve the heat preservation performance of the box body.
And sealing rings A12 are bonded on the inner side walls of the left tank shell 3 and the right tank shell 4.
In this embodiment, as shown in fig. 3, the sealing ring a12 improves the sealing performance between the left and right cases 3 and 4 and the flow meter to be measured.
And a sealing ring B13 is bonded on the outer surface of the flange 5.
In this embodiment, as shown in fig. 3, the sealing ring B13 improves the connection sealing performance of the flange 5.
It should be noted that, the utility model relates to a be applicable to precession vortex flowmeter and use leak protection gas formula detection device, in operation, dismantle the bolt 6 that is used for connecting on airtight tank 1 and No. two airtight tanks 2 through using relevant instrument, thereby split left tank shell 3 and right tank shell 4, cup joint airtight tank 1 and No. two airtight tanks 2 after the split respectively in flowmeter and both sides pipeline hookup location outside, carry out one-to-one according to the through-hole position flange 5 on left tank shell 3 and right tank shell 4, reassemble bolt 6 again, sealing washer A12 and sealing washer B13 carry out the complete sealing to airtight tank 1 and No. two airtight tanks 2, the gas that permeates out from flowmeter and both sides pipeline hookup location gap conducts the inside gas collection tank 10 through air duct A8 and air duct B9, finally carry out the atmospheric pressure detection through manometer 11, the flowmeter is subjected to air leakage detection, the whole structure is simple, the installation is convenient, the practicability is high, and the problems that the traditional flowmeter is inconvenient to install during detection and the whole structure is complex are solved; the gas collection box 10 is composed of an outer box 101 and an inner box 102, a cavity structure is formed between the outer box 101 and the inner box 102, the outer casing 101 is vacuumized through the air exhaust pipe 103, and the outer surface of the outer casing 101 is sprayed with a layer of heat-insulating coating 7, the heat-insulating coating 7 is made of HX-012 high-temperature-resistant coating, the HX-012 high-temperature-resistant coating is a new material derived from space technology for heat insulation of spacecrafts, and has the advantages of water resistance, fire resistance, corrosion resistance, wear resistance, insulation and the like, the coating is applied to the latest nano ceramic technology, the product comprises high-temperature binder, nanometer high-temperature ceramic microspheres, various high-temperature fillers and special additives, and is used for insulating heat and preserving heat of the gas collection box 10, so that the gas collection box 10 is prevented from being influenced by the internal gas pressure by the external environment, and the problem that the internal gas pressure of the conventional flowmeter is influenced by the external temperature easily, so that the internal gas pressure is influenced and the final gas pressure change detection precision is influenced is solved. The specific model of the component is BN-8010-1 pressure gauge.
The first airtight tank 1 of the utility model; a second airtight tank 2; a left tank shell 3; a right tank shell 4; a flange plate 5; a bolt 6; a heat-insulating coating 7; an airway tube A8; an air duct B9; a gas collection box 10; an outer case 101; an inner enclosure 102; an exhaust tube 103; a sealing cover 104; a pressure gauge 11; a seal ring A12; the components of the sealing ring B13 are all standard or known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through routine experimentation.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. An air leakage prevention type detection device suitable for a precession vortex flowmeter comprises a first airtight tank (1) and a second airtight tank (2) and is characterized in that the first airtight tank (1) and the second airtight tank (2) comprise a left tank shell (3) and a right tank shell (4), a flange (5) is arranged on one side of the left tank shell (3) and one side of the right tank shell (4), a bolt (6) is screwed between the flange (5) in a threaded manner, an air guide pipe A (8) is fixedly connected to the upper end of the first airtight tank (1), an air guide pipe B (9) is fixedly connected to the upper end of the second airtight tank (2), an air collection box (10) is fixedly connected to the upper ends of the air guide pipe A (8) and the air guide pipe B (9), the air collection box (10) comprises an outer tank shell (101), and an inner box shell (102) is fixedly connected to the inner side wall of the outer tank shell, a cavity structure is arranged between the outer box shell (101) and the inner box shell (102), and a heat-insulating coating (7) is sprayed on the outer surface of the outer box shell (101).
2. The gas leakage prevention detection device for the precession vortex flowmeter as set forth in claim 1, wherein a pressure gauge (11) is installed at an upper end of the gas collection tank (10).
3. The gas leakage prevention detection device for the precession vortex flowmeter as claimed in claim 1, wherein an air extraction pipe (103) is fixedly connected to an upper end of the outer casing (101), and a sealing cover (104) is screwed to an upper end of the air extraction pipe (103).
4. The gas leakage prevention detection device for the vortex precession flowmeter as set forth in claim 1, wherein the inner side walls of the left and right cases (3, 4) are bonded with a sealing ring a (12).
5. The gas leakage prevention type detecting device for a vortex precession flowmeter as set forth in claim 1, wherein a seal ring B (13) is bonded to an outer surface of said flange (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022208564.8U CN213543941U (en) | 2020-09-30 | 2020-09-30 | Air leakage prevention type detection device suitable for precession vortex flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022208564.8U CN213543941U (en) | 2020-09-30 | 2020-09-30 | Air leakage prevention type detection device suitable for precession vortex flowmeter |
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| Publication Number | Publication Date |
|---|---|
| CN213543941U true CN213543941U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022208564.8U Active CN213543941U (en) | 2020-09-30 | 2020-09-30 | Air leakage prevention type detection device suitable for precession vortex flowmeter |
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| Country | Link |
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| CN (1) | CN213543941U (en) |
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