CN111288304A - Metering detection device for gas leakage - Google Patents
Metering detection device for gas leakage Download PDFInfo
- Publication number
- CN111288304A CN111288304A CN202010231069.0A CN202010231069A CN111288304A CN 111288304 A CN111288304 A CN 111288304A CN 202010231069 A CN202010231069 A CN 202010231069A CN 111288304 A CN111288304 A CN 111288304A
- Authority
- CN
- China
- Prior art keywords
- envelope
- semi
- upper envelope
- lower envelope
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
-
- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2853—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals
Abstract
The invention relates to the field of gas leakage detection equipment, and discloses a metering detection device for gas leakage, which comprises an upper envelope and a lower envelope, wherein the shape and the size of the upper envelope are the same as those of the lower envelope, the upper envelope and the lower envelope are semicircular, semicircular through holes with the same diameter are formed in the middle parts of two sides of the upper envelope and the lower envelope, and semicircular pipes positioned on the peripheries of the semicircular through holes are fixedly arranged on two sides of inner cavities of the upper envelope and the lower envelope. This metering detection device for gas leakage, through the structural design of upper envelope, lower envelope, semicircle pipe, gasbag, U type pipe and air exhaust mechanism, utilize upper envelope, the sealed pipeline flange joint of waiting of lower envelope to examine, detect the difference of moving of U type intraductal liquid through two periods, detect out the gaseous condition of slightly revealing of flange department to maintainer in time maintains, avoids gaseous extravagant, and, made things convenient for the gaseous volume of revealing of maintainer measurement.
Description
Technical Field
The invention relates to the field of gas leakage detection equipment, in particular to a metering detection device for gas leakage.
Background
The gas makes essential articles for use in people's life, and main including supplying resident and industrial enterprise to use have natural gas, artifical gas, liquefied petroleum gas, and the gas is generally through the pipeline switch-on, connects through the flange between the pipeline, and flange joint department has the rubber sealing ring, and the rubber sealing ring is after long-time the use, probably corrodes the damage, needs maintainer regularly to detect.
However, the existing gas leakage detection equipment can generate vortex by utilizing the leakage holes and has the part of ultrasonic wave band, so that the ultrasonic detector leakage detection system can sense any kind of gas leakage, the gas leakage detection equipment detects whether the pipeline flange has gas leakage condition or not, when the pipeline flange has slight leakage condition, the leaked gas pressure is small and can not generate vortex, the existing detection equipment can not detect the leakage condition, and the existing gas leakage detection equipment can not detect the leakage amount of gas, thereby influencing the use of maintainers.
Disclosure of Invention
In view of the above-mentioned drawbacks of the background art, the present invention provides a device for measuring and detecting gas leakage, which has the advantages of facilitating detection of a slight gas leakage condition and a leakage amount, and solves the problems of the background art.
The invention provides the following technical scheme: a metering detection device for gas leakage comprises an upper envelope and a lower envelope, wherein the shape and size of the upper envelope are the same as those of the lower envelope, the upper envelope and the lower envelope are in a semi-cylindrical shape, semi-circular through holes with the same diameter are formed in the middle parts of two sides of the upper envelope and the lower envelope, semi-circular pipes located on the peripheries of the semi-circular through holes are fixedly arranged on two sides of inner cavities of the upper envelope and the lower envelope, through pipes are respectively connected between the two semi-circular pipes in the upper envelope and the lower envelope, air bags are fixedly arranged on the semi-circular pipes, inner cavities of the air bags are communicated with inner cavities of the semi-circular pipes, air inlet pipes are communicated with the side surfaces of the two semi-circular pipes, one ends of the two air inlet pipes respectively extend to the outer sides of the upper envelope and the lower envelope, a positioning block is fixedly connected to the top, one end of the U-shaped pipe is communicated with the inner cavities of the upper sealing sleeve and the lower sealing sleeve, the U-shaped pipe is provided with a scale from bottom to top, the two sides of the positioning block are fixedly connected with side plates, the tops of the two side plates are fixedly connected with transverse plates, the tops of the transverse plates are fixedly provided with air exhaust mechanisms, and the interiors of the air exhaust mechanisms are connected with the other ends of the U-shaped pipe.
Preferably, the air exhaust mechanism includes the barrel, the barrel communicates with each other with the inside of U type pipe, the inside movable sleeve of barrel is equipped with the piston, the equal fixedly connected with interlock axle in both sides at piston top, two the top of interlock axle extends to the outside and the fixedly connected with limiting plate on barrel top, the middle part movable sleeve of limiting plate is equipped with and pushes away the axle, the bottom that pushes away the axle runs through piston and fixedly connected with and seals the baffle, the notch has been seted up at the middle part of piston, and the diameter of notch is greater than push away the diameter of axle, the diameter that seals the baffle is greater than the notch at piston middle part, the top fixedly connected with of pushing away the axle is located the pulling block of limiting plate top, and fixedly connected with activity suit is at the outside spring of pushing away.
Preferably, the air inlet pipe is a one-way air inlet pipe.
Preferably, the left end of the U-shaped pipe and the top of the upper sealing sleeve are both provided with connecting pipe orifices, and a communicating hose is sleeved between the two connecting pipe orifices through threads.
The invention has the following beneficial effects:
according to the gas leakage measuring and detecting device, through the structural design of the upper envelope, the lower envelope, the semicircular pipe, the air bag, the U-shaped pipe and the air exhaust mechanism, the upper envelope and the lower envelope are utilized to seal the flange joint of the pipeline to be detected, and the slight gas leakage condition at the flange is detected through detecting the movement difference of liquid in the U-shaped pipe in two periods, so that maintenance personnel can maintain the pipe in time, the gas waste is avoided, and the gas leakage amount can be conveniently measured by the maintenance personnel; simultaneously, aerify through the semicircle intraductal, utilize gasbag laminating pipeline to seal, the condition detection is revealed to the pipeline flange of different footpaths to the convenience for detection device's operation requirement reduces, makes things convenient for maintainer's use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the pumping mechanism of the structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a semi-circular tube of the structure of FIG. 1 in accordance with the present invention;
FIG. 4 is a side view of FIG. 1 of the present invention;
fig. 5 is a side view of a semi-circular tube of the structure of fig. 3 in accordance with the present invention.
In the figure: 1. an upper envelope; 2. a lower envelope; 3. a semicircular tube; 4. an air bag; 5. an air inlet pipe; 6. positioning blocks; 7. a U-shaped pipe; 8. a side plate; 9. a transverse plate; 10. an air extraction mechanism; 101. a barrel; 102. a piston; 103. a linkage shaft; 104. a limiting plate; 105. pushing the shaft; 106. sealing the partition plate; 107. pulling the block; 108. a spring; 11. a flexible pipe is communicated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a gas leakage measurement and detection device comprises an upper envelope 1 and a lower envelope 2, wherein the upper envelope 1 has the same shape and size as the lower envelope 2, the upper envelope 1 and the lower envelope 2 have a semi-cylindrical shape, the upper envelope 1 and the lower envelope 2 can be fixed into a whole cylinder by screws, semi-circular through holes with the same diameter are formed in the middle parts of the two sides of the upper envelope 1 and the lower envelope 2, semi-circular pipes 3 positioned on the periphery of the semi-circular through holes are fixedly arranged on the two sides of the inner cavities of the upper envelope 1 and the lower envelope 2, a through pipe is respectively connected between the two semi-circular pipes 3 in the upper envelope 1 and the lower envelope 2, an air bag 4 is fixedly arranged on the semi-circular pipes 3, the inner cavity of the air bag 4 is communicated with the inner cavity of the semi-circular pipes 3, the side surfaces of the two semi-circular pipes 3 are communicated with 5, one end of the two air, the top of the other side of the upper envelope 1 is fixedly connected with a positioning block 6, a U-shaped pipe 7 is fixedly installed on the positioning block 6, one end of the U-shaped pipe 7 is communicated with the inner cavities of the upper envelope 1 and the lower envelope 2, a certain amount of liquid which is insoluble in gas to be detected is injected into the U-shaped pipe 7, the U-shaped pipe 7 is provided with scale values from bottom to top, two sides of the positioning block 6 are fixedly connected with side plates 8, the tops of the two side plates 8 are fixedly connected with a transverse plate 9, the top of the transverse plate 9 is fixedly provided with an air pumping mechanism 10, the inside of the air pumping mechanism 10 is connected with the other end of the U-shaped pipe 7, the upper envelope 1 and the lower envelope 2 are sleeved at the pipeline flange connection part to fix the upper envelope 1 and the lower envelope 2, gas is respectively filled into the semicircular pipe 3 through the gas inlet pipe 5, so that the gas bag 4 is, therefore, the use requirement of the detection device is reduced, the use of a maintainer is convenient, when the liquid in the right pipe in the U-shaped pipe 7 moves upwards in a short time, the flange of the pipe is leaked, at the moment, the leakage measurement can be carried out through the upward movement value of the liquid in unit time, when the time of the liquid section in the U-shaped pipe 7 does not change obviously, the air is extracted through the air extraction mechanism 10, the liquid in the right pipe of the U-shaped pipe 7 moves upwards, the movement difference of the liquid at the moment is recorded, the position of the air extraction mechanism 10 is restored, the liquid in the right pipe of the U-shaped pipe 7 moves downwards to the original position, the air is extracted through the air extraction mechanism 10 after a certain time interval, the liquid in the right pipe of the U-shaped pipe 7 moves upwards, the movement difference of the liquid at the moment is recorded, if the two movement differences are the same, no leakage exists, if the second movement difference is, thereby conveniently detect the condition that gaseous slightly reveals to carry out the accurate measurement, made things convenient for operating personnel's later stage to overhaul.
Wherein, the air extracting mechanism 10 comprises a cylinder 101, the cylinder 101 is communicated with the inside of the U-shaped pipe 7, a piston 102 is movably sleeved in the cylinder 101, two sides of the top of the piston 102 are fixedly connected with linked shafts 103, the tops of the two linked shafts 103 extend to the outside of the top end of the cylinder 101 and are fixedly connected with a limit plate 104, a push shaft 105 is movably sleeved in the middle of the limit plate 104, the bottom end of the push shaft 105 penetrates through the piston 102 and is fixedly connected with a seal baffle plate 106, a notch is formed in the middle of the piston 102, the diameter of the notch is larger than that of the push shaft 105, the diameter of the seal baffle plate 106 is larger than that of the middle of the piston 102, a pull block 107 positioned above the limit plate 104 is fixedly connected at the top end of the push shaft 105, a spring 108 movably sleeved outside the push shaft 105 is fixedly connected between the pull block 107 and the spring 108, and the seal baffle, when extracting the interior gas of U type pipe 7 right side pipe, directly pull up and draw piece 107 to drive piston 102 and seal baffle 106 and move up, make things convenient for operating personnel's use, the rethread compression draws the interval between piece 107 and the spring 108 for seal baffle 106 and piston 102 separation, make the interior liquid of U type pipe 7 right side pipe reset, make things convenient for the lower stage to reveal and detect.
Wherein, intake pipe 5 is one-way intake pipe, when aerifing in to semicircle pipe 3, only need restart through intake pipe 5, and when not aerifing, ensure that the interior gas of semicircle pipe 3 can not reveal to guaranteed gasbag 4's inflation degree, the effectual laminating degree of guaranteeing gasbag 4 and pipeline, and then ensured the leakproofness that upper envelope 1 and lower envelope 2 constitute the cavity, thereby make the testing result more accurate.
Wherein, the top of U type pipe 7 left end and upper envelope 1 all is equipped with the mouth of pipe, and the screw thread has cup jointed the intercommunication hose 11 between two mouth of pipe, through the inner chamber of intercommunication hose 11 switch-on U type pipe 7 and upper envelope 1, simultaneously, through taking off intercommunication hose 11, conveniently pour into in the U type pipe 7 and wait to examine the insoluble liquid of gaseous, carry out the pertinence and detect, ensure detection device's long-term effective use.
When the device is used, firstly, the upper envelope 1 and the flange joint sleeved on a pipeline to be detected are fixed, then the upper envelope 1 and the lower envelope 2 are fixed through screws, then, gas is filled into the semicircular pipe 3 through the gas inlet pipe 5, the airbag 4 at the inner side of the semicircular pipe 3 is expanded to be attached to the pipeline, sealing is carried out, the short-time change of liquid in the U-shaped pipe 7 is observed, if the liquid in the right pipe of the U-shaped pipe 7 moves upwards in a short time, the movement difference is changed into the leakage amount of the gas in the time, if the liquid in the right pipe of the U-shaped pipe 7 does not change obviously in a short time, the piston 102 moves upwards to the top of the cylinder 101 through the upward pulling block 107, so that the liquid in the right pipe of the U-shaped pipe 7 moves upwards, the movement difference at the moment is recorded, the piston 102 is separated from the sealing plate 106 through the distance between the compressing pulling block 107 and the, after the time is separated again, the operation is repeated, the moving difference at the stage is recorded, the slight leakage condition of the gas can be measured according to the time and the moving difference of the two times, the increase of the air pressure in the upper envelope 1 and the lower envelope 2 is small during the slight leakage, the liquid in the U-shaped pipe 7 cannot move, and the slight leakage condition of the gas can be obtained through the measurement.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a gas leakage is with measurement detection device which characterized in that: the novel air bag comprises an upper envelope (1) and a lower envelope (2), wherein the shape and size of the upper envelope (1) are the same as those of the lower envelope (2), the upper envelope (1) and the lower envelope (2) are in a semi-cylindrical shape, semi-circular through holes with the same diameter are formed in the middle of two sides of the upper envelope (1) and the lower envelope (2), semi-circular pipes (3) located on the periphery of the semi-circular through holes are fixedly arranged on two sides of the inner cavities of the upper envelope (1) and the lower envelope (2), through pipes are connected between the two semi-circular pipes (3) in the upper envelope (1) and the lower envelope (2), air bags (4) are fixedly arranged on the semi-circular pipes (3), the inner cavities of the air bags (4) are communicated with the inner cavities of the semi-circular pipes (3), air inlet pipes (5) are communicated with the side surfaces of the two semi-circular pipes (3), one ends of the air inlet pipes (5) extend to the outer sides of the, the novel air-suction device is characterized in that a positioning block (6) is fixedly connected to the top of the other side of the upper envelope (1), a U-shaped pipe (7) is fixedly mounted on the positioning block (6), one end of the U-shaped pipe (7) is communicated with the inner cavities of the upper envelope (1) and the lower envelope (2), a scale value from bottom to top is arranged on the U-shaped pipe (7), side plates (8) are fixedly connected to the two sides of the positioning block (6), a transverse plate (9) is fixedly connected to the top of each side plate (8), an air suction mechanism (10) is fixedly mounted at the top of each transverse plate (9), and the inside of the air suction mechanism (10) is connected with the other end of the.
2. The gas leakage measurement and detection apparatus according to claim 1, wherein: the air extraction mechanism (10) comprises a cylinder body (101), the cylinder body (101) is communicated with the inside of the U-shaped pipe (7), a piston (102) is movably sleeved in the cylinder body (101), linkage shafts (103) are fixedly connected to two sides of the top of the piston (102), the tops of the two linkage shafts (103) extend to the outside of the top end of the cylinder body (101) and are fixedly connected with a limiting plate (104), a push shaft (105) is movably sleeved in the middle of the limiting plate (104), the bottom end of the push shaft (105) penetrates through the piston (102) and is fixedly connected with a sealing partition plate (106), a notch is formed in the middle of the piston (102), the diameter of the notch is larger than that of the push shaft (105), the diameter of the sealing partition plate (106) is larger than that of the middle of the piston (102), a pull block (107) located above the limiting plate (104) is fixedly connected to the top end of the, and a spring (108) which is movably sleeved outside the push shaft (105) is fixedly connected between the pull block (107) and the spring (108).
3. The gas leakage measurement and detection apparatus according to claim 1, wherein: the air inlet pipe (5) is a one-way air inlet pipe.
4. The gas leakage measurement and detection apparatus according to claim 1, wherein: the left end of the U-shaped pipe (7) and the top of the upper seal sleeve (1) are both provided with connecting pipe orifices, and a communicating hose (11) is sleeved between the two connecting pipe orifices through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231069.0A CN111288304B (en) | 2020-03-27 | 2020-03-27 | Metering detection device for gas leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231069.0A CN111288304B (en) | 2020-03-27 | 2020-03-27 | Metering detection device for gas leakage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111288304A true CN111288304A (en) | 2020-06-16 |
| CN111288304B CN111288304B (en) | 2022-09-13 |
Family
ID=71030367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010231069.0A Active CN111288304B (en) | 2020-03-27 | 2020-03-27 | Metering detection device for gas leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111288304B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067200A (en) * | 2020-09-18 | 2020-12-11 | 嘉兴市特种设备检验检测院 | Pressure pipeline inspection and detection device |
| CN113959646A (en) * | 2021-09-22 | 2022-01-21 | 成都嘉斯福科技有限公司 | Hydrogen pipeline joint leakage detection equipment |
| CN114440140A (en) * | 2021-12-31 | 2022-05-06 | 南京市计量监督检测院 | Gas leakage volume measurement detection device for detection |
| CN114484296A (en) * | 2022-01-20 | 2022-05-13 | 承德石油高等专科学校 | Distributed optical fiber leakage monitoring device for oil pipe |
| CN114593371A (en) * | 2022-03-03 | 2022-06-07 | 广东华晟安全职业评价有限公司 | Real-time monitoring device and monitoring method for leakage of oil and gas transportation pipeline |
| CN116296095A (en) * | 2023-02-24 | 2023-06-23 | 苏州苏大卫生与环境技术研究所有限公司 | Detection device of medical backflow-preventing water delivery connector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204127564U (en) * | 2014-10-27 | 2015-01-28 | 中国石油天然气集团公司 | Tire tube air-inflating formula plugging apparatus for pipe end |
| JPWO2016042760A1 (en) * | 2014-09-18 | 2017-04-27 | 株式会社タカシン | Fluid path inspection device and fluid path inspection method |
| CN208488229U (en) * | 2018-08-13 | 2019-02-12 | 益阳中燃城市燃气发展有限公司 | Air tightness detection equipment |
| CN209131914U (en) * | 2019-01-04 | 2019-07-19 | 马德刚 | A kind of air-leakage test gas ductwork apparatus for examination and repair |
| CN209511362U (en) * | 2019-01-17 | 2019-10-18 | 云南云天化氟化学有限公司 | Aluminum fluoride produces reacting furnace end face seal equipment |
-
2020
- 2020-03-27 CN CN202010231069.0A patent/CN111288304B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2016042760A1 (en) * | 2014-09-18 | 2017-04-27 | 株式会社タカシン | Fluid path inspection device and fluid path inspection method |
| CN204127564U (en) * | 2014-10-27 | 2015-01-28 | 中国石油天然气集团公司 | Tire tube air-inflating formula plugging apparatus for pipe end |
| CN208488229U (en) * | 2018-08-13 | 2019-02-12 | 益阳中燃城市燃气发展有限公司 | Air tightness detection equipment |
| CN209131914U (en) * | 2019-01-04 | 2019-07-19 | 马德刚 | A kind of air-leakage test gas ductwork apparatus for examination and repair |
| CN209511362U (en) * | 2019-01-17 | 2019-10-18 | 云南云天化氟化学有限公司 | Aluminum fluoride produces reacting furnace end face seal equipment |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067200A (en) * | 2020-09-18 | 2020-12-11 | 嘉兴市特种设备检验检测院 | Pressure pipeline inspection and detection device |
| CN113959646A (en) * | 2021-09-22 | 2022-01-21 | 成都嘉斯福科技有限公司 | Hydrogen pipeline joint leakage detection equipment |
| CN113959646B (en) * | 2021-09-22 | 2023-12-22 | 成都嘉斯福科技有限公司 | Hydrogen pipeline junction leakage detection equipment |
| CN114440140A (en) * | 2021-12-31 | 2022-05-06 | 南京市计量监督检测院 | Gas leakage volume measurement detection device for detection |
| CN114440140B (en) * | 2021-12-31 | 2022-11-22 | 南京市计量监督检测院 | Measurement detection device for gas leakage volume detection |
| CN114484296A (en) * | 2022-01-20 | 2022-05-13 | 承德石油高等专科学校 | Distributed optical fiber leakage monitoring device for oil pipe |
| CN114484296B (en) * | 2022-01-20 | 2024-04-26 | 承德石油高等专科学校 | Distributed optical fiber leakage monitoring device for oil pipe |
| CN114593371A (en) * | 2022-03-03 | 2022-06-07 | 广东华晟安全职业评价有限公司 | Real-time monitoring device and monitoring method for leakage of oil and gas transportation pipeline |
| CN116296095A (en) * | 2023-02-24 | 2023-06-23 | 苏州苏大卫生与环境技术研究所有限公司 | Detection device of medical backflow-preventing water delivery connector |
| CN116296095B (en) * | 2023-02-24 | 2023-11-14 | 苏州苏大卫生与环境技术研究所有限公司 | Detection device of medical backflow-preventing water delivery connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111288304B (en) | 2022-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111288304B (en) | Metering detection device for gas leakage | |
| CN201051040Y (en) | Leakage detection device | |
| CN213336679U (en) | Leakproofness check out test set is used in oil casing production | |
| CN211425747U (en) | Simple air pressure detection device for pressure container | |
| CN203745144U (en) | Sealed type safety valve airtightness test verifying apparatus | |
| CN113154265A (en) | Detect different pipe diameter natural gas line leak hunting equipment | |
| CN109084940B (en) | Portable valve leak detection device | |
| CN208579154U (en) | A kind of experimental provision measuring fuel gas pipeline leakage characteristic | |
| CN208254738U (en) | Seal for pipe joints system safety testing device | |
| CN214330875U (en) | Pressure testing device for detecting rear cover of compressor | |
| CN220751457U (en) | Leak protection water detection device is used in intelligent water gauge manufacturing | |
| CN212748209U (en) | Pipe flange gas leakage detection device | |
| CN219265448U (en) | Solution level meter | |
| CN209945657U (en) | Multifunctional casing head sealing test device | |
| CN218894682U (en) | Gas pressure acquisition instrument | |
| CN209085860U (en) | A kind of helium leak check recyclable device of air locking | |
| CN217845541U (en) | Aluminum wheel hub air tightness detection equipment | |
| CN208091658U (en) | A kind of Dewar bottle air leak tester | |
| CN217819228U (en) | A leakproofness detection case for water gauge | |
| CN216386134U (en) | Glassware leakage detection device | |
| CN214793683U (en) | Connecting pipe sealing measuring device for pressure-bearing special equipment | |
| CN217276692U (en) | Pipettor leakproofness detection device | |
| CN210625920U (en) | Bellows vacuum helium-charging air sealing device | |
| CN209945655U (en) | Negative pressure deformation measurement manual package air tightness test equipment | |
| CN209673304U (en) | Height pressure difference liquid-filling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220822 Address after: 214400 room 1205, Block E, No. 9, East Outer Ring Road, Jiangyin City, Wuxi City, Jiangsu Province Applicant after: Wuxi Maohe Intelligent Technology Co.,Ltd. Address before: 453000 Quality and Technical Supervision, Inspection and Testing Center, Muye District, Xinxiang City, Henan Province Applicant before: Jiang Tao |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |