CN212550853U - Anti-blocking detection purging system for pressure measurement pipeline - Google Patents
Anti-blocking detection purging system for pressure measurement pipeline Download PDFInfo
- Publication number
- CN212550853U CN212550853U CN202020591927.8U CN202020591927U CN212550853U CN 212550853 U CN212550853 U CN 212550853U CN 202020591927 U CN202020591927 U CN 202020591927U CN 212550853 U CN212550853 U CN 212550853U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- sampling pipeline
- air
- pipe fitting
- sampling
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a pressure measurement pipeline anti-blocking detection purging system, which comprises a first sampling pipeline, a second sampling pipeline, a detection purging system, a first measuring instrument and a second measuring instrument; the first sampling pipeline and the second sampling pipeline are arranged in parallel; the gas inlet of the first sampling pipeline and the gas inlet of the second sampling pipeline are communicated with the inlet end of the detection purging system through a three-way valve, the gas outlet of the first sampling pipeline is communicated with a first port of a first measuring instrument, and the gas outlet of the second sampling pipeline is communicated with a first port of a second measuring instrument; the outlet end of the detection purging system is respectively communicated with the first sampling pipeline and the second sampling pipeline through a three-way valve. The utility model discloses collect and detect and sweep function in an organic whole, can prevent stifled detection and sweep the ressure measurement pipeline in service, reduce the human cost, it is more energy-conserving than the transmission sweep equipment, and a plurality of ressure measurement pipelines adopt same detection sweep system, have saved the energy, have practiced thrift equipment cost greatly.
Description
Technical Field
The utility model relates to a pressure measurement pipeline field specifically is a pressure measurement pipeline prevents stifled detection purge system.
Background
Energy, environment and development are three main subjects faced by mankind in the new century. Among the three, the rational development and utilization of energy directly affect the environmental protection and the sustainable development of human society, and the power industry as energy development and utilization is in a great development stage.
The pressure measuring device is widely applied to thermal power plants, and due to the complex production environment of the power plants, a plurality of micro-positive pressure or negative pressure measuring pipelines are blocked frequently. During the design and installation of pressure pipelines such as negative pressure of a hearth, air volume of a boiler, pressure of a condenser and the like, oblique waves and U-shaped bends can occur, and ash accumulation and water accumulation in the pipelines are easy to cause if the unit runs for a long time or under severe running conditions, so that the measurement result distortion is caused, and serious accidents such as equipment damage and non-stop of the unit are seriously caused. However, the existing purging devices for pressure measurement pipelines are mostly configured independently, that is, one set of equipment can only be applied to one system or one pipeline, and the equipment cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a pressure measurement pipeline that energy-conservation, reduction equipment cost prevent stifled detection purge system is provided.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
an anti-blocking detection purging system for a pressure measurement pipeline comprises a first sampling pipeline, a second sampling pipeline, a detection purging system, a first measuring instrument and a second measuring instrument; the first sampling pipeline and the second sampling pipeline are arranged in parallel; the gas inlet of the first sampling pipeline and the gas inlet of the second sampling pipeline are communicated with the inlet end of the detection purging system through a three-way valve, the gas outlet of the first sampling pipeline is communicated with one port of the first measuring instrument, and the gas outlet of the second sampling pipeline is communicated with one port of the second measuring instrument; the outlet end of the detection purging system is communicated with the first sampling pipeline and the second sampling pipeline through a three-way valve respectively.
When a detection function is required, firstly, the air inlet of the first sampling pipeline and the air inlet of the second sampling pipeline are communicated with a detection purging system, then the detection purging system is started, the detection purging system receives pressure signals in the first sampling pipeline and the second sampling pipeline, the detection purging system respectively outputs the pressure signals to a first measuring instrument and a second measuring instrument, and if the first measuring instrument and the second measuring instrument normally act, the first sampling pipeline and the second sampling pipeline are judged to be normally unblocked; if the first measuring instrument and the second measuring instrument do not normally act, the connection between the air inlet of the first sampling pipeline and the air inlet of the second sampling pipeline and the detection purging system is disconnected, the detection purging system is restarted to execute the purging function, and the first sampling pipeline and the second sampling pipeline are purged. The utility model discloses collect and detect and sweep function in an organic whole, can prevent stifled detection and sweep the ressure measurement pipeline in service, reduce the human cost, it is more energy-conserving than the transmission sweep equipment, and a plurality of ressure measurement pipelines adopt same detection sweep system, have saved the energy, have practiced thrift equipment cost greatly.
Preferably, the detection purging system comprises a purging device, a first air exhaust pipe fitting, a second air exhaust pipe fitting, a first air transmission pipe fitting and a second air transmission pipe fitting; the air outlet of the first air pumping pipe fitting is communicated with the air inlet of the first sampling pipeline through a three-way valve, and the air outlet of the second air pumping pipe fitting is communicated with the air inlet of the second sampling pipeline through a three-way valve; one port of the purging device is respectively communicated with the air inlet of the first air pumping pipe fitting and the air inlet of the second air pumping pipe fitting through a three-way valve; the other port of the purging device is respectively communicated with the air inlet of the first air transmission pipe fitting and the air inlet of the second air transmission pipe fitting; the air outlet of the first air conveying pipe fitting is connected to a first sampling pipeline; and the air outlet of the second air transmission pipe fitting is connected to the second sampling pipeline.
When a detection function is required, firstly, a first air exhaust pipe fitting is communicated with a first sampling pipeline, a second air exhaust pipe fitting is communicated with a second sampling pipeline, then a purging device is started, the purging device receives pressure signals in the first sampling pipeline and the second sampling pipeline, the purging device respectively outputs the pressure signals to a first measuring instrument and a second measuring instrument, and if the first measuring instrument and the second measuring instrument normally act, the first sampling pipeline and the second sampling pipeline are judged to be normally unblocked; if first measuring apparatu and second measuring apparatu are abnormal motion, then the disconnection first pipe fitting of bleeding is connected with first sample pipeline, the second pipe fitting of bleeding is connected with second sample pipeline, restart sweeps the device, sweep the device and carry out the function of sweeping, sweep the device output and sweep pressure, partly sweep pressure and carry to first sample pipeline through first gas transmission pipe fitting, sweep first sample pipeline, another part sweeps pressure and carries to second sample pipeline through second gas transmission pipe fitting, sweep second sample pipeline.
Preferably, the air outlet of the first air suction pipe fitting is in threaded connection with one port of a three-way valve through a pipeline, and the other port of the three-way valve is in threaded connection with the air inlet of the first sampling pipeline through a pipeline.
Preferably, the air outlet of the second air suction pipe fitting is in threaded connection with one port of a three-way valve through a pipeline, and the other port of the three-way valve is in threaded connection with the air inlet of the second sampling pipeline through a pipeline.
Preferably, the purging device is a variable-frequency air pump, and the variable-frequency air pump can control the pressure of the purged air.
Preferably, a first electromagnetic valve is assembled on the first suction pipe fitting.
Preferably, the second suction pipe fitting is equipped with a second solenoid valve.
Preferably, a third electromagnetic valve is assembled on the first gas transmission pipe fitting.
Preferably, the second gas transmission pipe fitting is provided with a fourth electromagnetic valve.
When a detection function is required, firstly, closing an inlet of a three-way valve between a first air exhaust pipe fitting and a first sampling pipeline, closing an inlet of a three-way valve between a second air exhaust pipe fitting and a second sampling pipeline, keeping other two outlets of the two three-way valves unblocked, then respectively opening a first electromagnetic valve and a second electromagnetic valve, starting a purging device, receiving pressure signals in the first sampling pipeline and the second sampling pipeline by the purging device, opening a third electromagnetic valve and a fourth electromagnetic valve, respectively outputting the pressure signals to a first measuring instrument and a second measuring instrument by the purging device, and judging that the first sampling pipeline and the second sampling pipeline are normally unblocked if the first measuring instrument and the second measuring instrument normally act; if the first measuring instrument and the second measuring instrument do not normally act, opening an inlet of a three-way valve between a first air exhaust pipe fitting and a first sampling pipeline, opening an inlet of a three-way valve between a second air exhaust pipe fitting and a second sampling pipeline, closing a first electromagnetic valve and a second electromagnetic valve, starting a purging device again, performing a purging function by the purging device, outputting purging pressure by the purging device, conveying one part of purging pressure to the first sampling pipeline through the first air conveying pipe fitting, purging the first sampling pipeline, conveying the other part of purging pressure to the second sampling pipeline through the second air conveying pipe fitting, purging the second sampling pipeline, performing a detection function again after purging is completed, performing a purging function again if the first sampling pipeline and the second sampling pipeline are still blocked, performing a purging function repeatedly, wherein the second purging time and the second purging pressure can be properly increased according to the situation, the pipeline is ensured to be quickly and smoothly blown.
The utility model has the advantages that:
1. the utility model discloses collect and detect and sweep function in an organic whole, can prevent stifled detection and sweep the ressure measurement pipeline in service, reduce the human cost, it is more energy-conserving than the transmission sweep equipment, and a plurality of ressure measurement pipelines adopt same detection sweep system, have saved the energy, have practiced thrift equipment cost greatly.
2. After purging is finished, the detection function is executed again, if the first sampling pipeline and the second sampling pipeline are still blocked, the purging function is executed again, the operation is carried out in a circulating mode, the secondary purging time and pressure can be properly increased according to the situation, and the pipeline is guaranteed to be purged smoothly rapidly.
Drawings
Fig. 1 is the utility model discloses a pressure measurement pipeline prevents stifled detection purge system's schematic structure diagram.
The reference numbers illustrate:
1. a first sampling pipe; 2. a second sampling pipe; 3. detecting a purging system; 31. purging the device; 32. a first pumping tube; 321. a first electromagnetic valve, 33 and a second air suction pipe fitting; 331. a second solenoid valve; 34. a first gas transfer tube; 341. a third electromagnetic valve; 35. a second gas transfer tube; 351. a fourth solenoid valve; 4. a first measuring instrument; 5. a second measuring instrument.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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.
Example one
As shown in FIG. 1, the embodiment discloses a pressure measurement pipeline anti-blocking detection purging system, which comprises a first sampling pipeline 1, a second sampling pipeline 2, a detection purging system 3, a first measuring instrument 4 and a second measuring instrument 5.
As shown in fig. 1, a first sampling pipe 1 is arranged in parallel with a second sampling pipe 2; the air inlet of the first sampling pipeline 1 and the air inlet of the second sampling pipeline 2 are communicated with the inlet end of the detection purging system 3 through a three-way valve, the air inlet of the first sampling pipeline 1 and one port of the three-way valve can be connected in the existing pipeline connection mode, the pipeline for connection can be the existing metal pipeline and also can be a plastic soft rubber pipeline, and the two ends of the metal pipeline are respectively provided with external threads and are connected with the corresponding inlet and outlet threads.
As shown in fig. 1, the gas outlet of the first sampling pipe 1 is communicated with one port of the first measuring instrument 4 through an existing connecting pipe, the gas outlet of the second sampling pipe 2 is communicated with one port of the second measuring instrument 5 through an existing connecting pipe, and two ends of the connecting pipe are respectively welded and fixed with the corresponding ports.
As shown in fig. 1, the outlet end of the detection purging system 3 is respectively communicated with the first sampling pipeline 1 and the second sampling pipeline 2 through a three-way valve, the outlet end of the detection purging system 3 is welded and fixed with one port of the three-way valve through a connecting pipeline, and can also be fixed in a threaded connection mode, and the other two ports of the three-way valve are respectively welded and fixed with the first sampling pipeline 1 and the second sampling pipeline 2 through the existing connecting pipelines.
When a detection function is required, firstly, the air inlet of the first sampling pipeline 1 and the air inlet of the second sampling pipeline 2 are communicated with the detection purging system 3, then the detection purging system 3 is started, the detection purging system 3 receives pressure signals in the first sampling pipeline 1 and the second sampling pipeline 2, the detection purging system 3 respectively outputs the pressure signals to the first measuring instrument 4 and the second measuring instrument 5, and if the first measuring instrument 4 and the second measuring instrument 5 normally act, the first sampling pipeline 1 and the second sampling pipeline 2 are judged to be normally not blocked; if the first measuring instrument 4 and the second measuring instrument 5 do not normally act, the connection between the air inlet of the first sampling pipeline 1 and the air inlet of the second sampling pipeline 2 and the detection purging system 3 is disconnected, the detection purging system 3 is restarted to execute the purging function, and the first sampling pipeline 1 and the second sampling pipeline 2 are purged. The utility model discloses collect and detect and sweep function in an organic whole, can prevent stifled detection and sweep the ressure measurement pipeline in service, reduce the human cost, it is more energy-conserving than the transmission sweep equipment, and a plurality of ressure measurement pipelines adopt same detection sweep system 3, have saved the energy, have practiced thrift equipment cost greatly.
As shown in fig. 1, the detection purge system 3 includes a purge device 31, a first pumping duct 32, a second pumping duct 33, a first gas transmission duct 34 and a second gas transmission duct 35.
As shown in fig. 1, the gas outlet of the first pumping pipe 32 is communicated with the gas inlet of the first sampling pipe 1 through a three-way valve, the gas outlet of the first pumping pipe 32 is welded and fixed with one port of the three-way valve through the existing connecting pipe, and also can be fixed in a threaded connection manner, and the other port of the three-way valve is welded and fixed with the gas inlet of the first sampling pipe 1 through the existing connecting pipe, and also can be fixed in a threaded connection manner. The same second air exhaust pipe 32 has its air outlet communicated with the air inlet of the second sampling pipe 2 through a three-way valve, and the air outlet of the second air exhaust pipe 32 and the three-way valve, and the air inlet of the three-way valve and the air inlet of the second sampling pipe 2 are all welded and fixed through the existing connecting pipe, and can also be fixedly connected through a threaded connection.
As shown in fig. 1, one port of the purging device 31 is respectively communicated with the air inlet of the first air suction pipe 32 and the air inlet of the second air suction pipe 33 through a three-way valve, one port of the purging device 31 is connected with one port of the three-way valve through the existing connecting pipeline, and the other two ports of the three-way valve are connected in a threaded connection mode and are respectively fixed with the air inlet of the first air suction pipe 32 and the air inlet of the second air suction pipe 33; the other port of the purging device 31 is fixedly connected with the air inlet of the first air conveying pipe fitting 34 through the existing connecting pipeline and fixedly connected with the air inlet of the second air conveying pipe fitting 35 through the existing connecting pipeline; the air outlet of the first air transmission pipe fitting 34 is welded on the first sampling pipeline 1; the air outlet of the second air conveying pipe fitting 35 is welded on the second sampling pipe 2.
The working principle of the embodiment is as follows: the utility model provides a pressure measurement pipeline prevents stifled detection purge system, when needing to carry out the testing function, at first with first pipe fitting 32 and the first sampling pipeline 1 intercommunication of bleeding, second pipe fitting 33 and the second sampling pipeline 2 intercommunication of bleeding, then start and sweep device 31, sweep device 31 and receive the pressure signal in first sampling pipeline 1 and the second sampling pipeline 2, sweep device 31 and export first measuring instrument 4 and second measuring instrument 5 with the pressure signal respectively, if first measuring instrument 4 and second measuring instrument 5 normally move, judge that first sampling pipeline 1 and second sampling pipeline 2 are normally unblocked; if the first measuring instrument 4 and the second measuring instrument 5 do not normally act, the connection between the first air suction pipe fitting 32 and the first sampling pipeline 1 is disconnected, the connection between the second air suction pipe fitting 33 and the second sampling pipeline 2 is connected, the purging device 31 is started again, the purging device 31 executes a purging function, the purging device 31 outputs a purging pressure, one part of the purging pressure is conveyed to the first sampling pipeline 1 through the first air transmission pipe fitting 34 to purge the first sampling pipeline 1, the other part of the purging pressure is conveyed to the second sampling pipeline 2 through the second air transmission pipe fitting 35 to purge the second sampling pipeline 2; after purging is finished, the detection function is executed again, if the first sampling pipeline 1 and the second sampling pipeline 2 are still blocked, the purging function is executed again, circulation is carried out, the purging time and pressure for the second time can be properly increased according to the situation, and the pipeline is guaranteed to be purged smoothly quickly.
Compared with the prior art, the utility model has the following advantages: the utility model discloses collect and detect and sweep function in an organic whole, can prevent stifled detection and sweep the ressure measurement pipeline in service, reduce the human cost, it is more energy-conserving than the transmission sweep equipment, and a plurality of ressure measurement pipelines adopt same detection sweep system 3, have saved the energy, have practiced thrift equipment cost greatly.
Example two
The present embodiment differs from the above embodiments in that: as shown in fig. 1, the purging device 31 is a variable frequency air pump, and the variable frequency air pump can control the pressure of the purged air.
EXAMPLE III
The present embodiment differs from the above embodiments in that: as shown in FIG. 1, the first suction pipe 32 is equipped with a first solenoid valve 321; the first solenoid valve 321 is mounted on the first pumping duct 32 by means of a known bayonet connection.
The second suction pipe 33 is provided with a second electromagnetic valve 331; the second solenoid valve 331 is mounted to the second pumping duct 33 by means of a conventional bayonet coupling.
The first gas transmission pipe fitting 34 is provided with a third electromagnetic valve 341; the third solenoid valve 341 is mounted on the first gas pipe 34 by means of a conventional bayonet coupling.
The second gas transmission pipe 35 is provided with a fourth electromagnetic valve 351; the fourth solenoid valve 351 is mounted to the second gas delivery tube 35 by means of a conventional bayonet coupling.
When the detection function is required, firstly, the inlet of the three-way valve between the first air suction pipe fitting 32 and the first sampling pipeline 1 is closed, the inlet of the three-way valve between the second air suction pipe fitting 33 and the second sampling pipeline 2 is closed, the other two outlets of the two three-way valves are kept unblocked, then the first electromagnetic valve 321 and the second electromagnetic valve 331 are respectively opened, the purging device 31 is started, the purging device 31 receives pressure signals in the first sampling pipeline 1 and the second sampling pipeline 2, the third electromagnetic valve 341 and the fourth electromagnetic valve 351 are opened, the purging device 31 respectively outputs the pressure signals to the first measuring instrument 4 and the second measuring instrument 5, and if the first measuring instrument 4 and the second measuring instrument 5 normally act, the first sampling pipeline 1 and the second sampling pipeline 2 are judged to be normally unblocked; if the first measuring instrument 4 and the second measuring instrument 5 do not normally operate, the inlet of the three-way valve between the first pumping pipe fitting 32 and the first sampling pipeline 1 is opened, the inlet of the three-way valve between the second pumping pipe fitting 33 and the second sampling pipeline 2 is opened, the first electromagnetic valve 321 and the second electromagnetic valve 331 are closed, the purging device 31 is started again, the purging device 31 performs a purging function, the purging device 31 outputs purging pressure, a part of the purging pressure is conveyed to the first sampling pipeline 1 through the first gas transmission pipe fitting 34 to purge the first sampling pipeline 1, the other part of the purging pressure is conveyed to the second sampling pipeline 2 through the second gas transmission pipe fitting 35 to purge the second sampling pipeline 2.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. An anti-blocking detection purging system for a pressure measurement pipeline comprises a first sampling pipeline, a second sampling pipeline, a detection purging system, a first measuring instrument and a second measuring instrument; the first sampling pipeline and the second sampling pipeline are arranged in parallel; the gas inlet of the first sampling pipeline and the gas inlet of the second sampling pipeline are communicated with the inlet end of the detection purging system through a three-way valve, the gas outlet of the first sampling pipeline is communicated with one port of the first measuring instrument, and the gas outlet of the second sampling pipeline is communicated with one port of the second measuring instrument; the outlet end of the detection purging system is communicated with the first sampling pipeline and the second sampling pipeline through a three-way valve respectively.
2. The anti-blocking detection purging system for the pressure measurement pipeline according to claim 1, characterized in that: the detection purging system comprises a purging device, a first air exhaust pipe fitting, a second air exhaust pipe fitting, a first air transmission pipe fitting and a second air transmission pipe fitting; the air outlet of the first air pumping pipe fitting is communicated with the air inlet of the first sampling pipeline through a three-way valve, and the air outlet of the second air pumping pipe fitting is communicated with the air inlet of the second sampling pipeline through a three-way valve; one port of the purging device is respectively communicated with the air inlet of the first air pumping pipe fitting and the air inlet of the second air pumping pipe fitting through a three-way valve; the other port of the purging device is respectively communicated with the air inlet of the first air transmission pipe fitting and the air inlet of the second air transmission pipe fitting; the air outlet of the first air conveying pipe fitting is connected to a first sampling pipeline; and the air outlet of the second air transmission pipe fitting is connected to the second sampling pipeline.
3. The anti-blocking detection purging system for the pressure measurement pipeline as recited in claim 2, wherein: the gas outlet of the first air pumping pipe fitting is in threaded connection with one port of the three-way valve through a pipeline, and the other port of the three-way valve is in threaded connection with the gas inlet of the first sampling pipeline through a pipeline.
4. The anti-blocking detection purging system for the pressure measurement pipeline according to claim 3, characterized in that: the air outlet of the second air pumping pipe is in threaded connection with one port of the three-way valve through a pipeline, and the other port of the three-way valve is in threaded connection with the air inlet of the second sampling pipeline through a pipeline.
5. The anti-blocking detection purging system for the pressure measurement pipeline as recited in claim 2, wherein: the purging device is a variable-frequency air pump.
6. The anti-blocking detection purging system for the pressure measurement pipeline as recited in claim 2, wherein: and the first air exhaust pipe fitting is provided with a first electromagnetic valve.
7. The anti-blocking detection purging system for the pressure measurement pipeline as recited in claim 2, wherein: and a second electromagnetic valve is assembled on the second air exhaust pipe fitting.
8. The anti-blocking detection purging system for the pressure measurement pipeline as recited in claim 2, wherein: and a third electromagnetic valve is assembled on the first gas transmission pipe fitting.
9. The anti-blocking detection purging system for the pressure measurement pipeline as recited in claim 2, wherein: and a fourth electromagnetic valve is assembled on the second gas transmission pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020591927.8U CN212550853U (en) | 2020-04-20 | 2020-04-20 | Anti-blocking detection purging system for pressure measurement pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020591927.8U CN212550853U (en) | 2020-04-20 | 2020-04-20 | Anti-blocking detection purging system for pressure measurement pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212550853U true CN212550853U (en) | 2021-02-19 |
Family
ID=74610702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020591927.8U Expired - Fee Related CN212550853U (en) | 2020-04-20 | 2020-04-20 | Anti-blocking detection purging system for pressure measurement pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212550853U (en) |
-
2020
- 2020-04-20 CN CN202020591927.8U patent/CN212550853U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105158419A (en) | Pumping type gas sampling monitoring device | |
| CN212550853U (en) | Anti-blocking detection purging system for pressure measurement pipeline | |
| CN209743218U (en) | comprehensive performance test bed for two-stage air suspension centrifugal air compressor | |
| CN208831877U (en) | A kind of steam turbine of thermal power plant boiler circuit drain valve is interior to leak monitoring device | |
| CN203132786U (en) | Valve parallel-connection pressure testing device | |
| CN216278174U (en) | Intelligent purging system of gas turbine | |
| CN205027722U (en) | Formula gas sampling monitoring devices is inhaled to pump | |
| CN209559444U (en) | A kind of pipeline or die waterway intelligence detecting leakage press flow measuring system | |
| CN201060087Y (en) | Self-checking unit of leakage testing machine | |
| CN217032700U (en) | Gas meter detection device | |
| CN210461143U (en) | Pneumatic performance test bench for two-stage air suspension centrifugal air compressor | |
| CN204855114U (en) | Air flue scale deposit of turbine air compressor intercooler and jam detection device | |
| CN212871750U (en) | Novel trans-critical CO2Heat pump component testing device | |
| CN208171591U (en) | A kind of safety valve inspection dedicated unit | |
| CN209910908U (en) | Valve test device | |
| CN214502808U (en) | Novel online leak detection system of internal pressure formula milipore filter | |
| CN208416872U (en) | A kind of pressure ejector for reciprocating compressor cylinder | |
| CN108468632B (en) | Device for leading out pressure in cylinder of compressor | |
| CN220650197U (en) | Boiler sampling barrel with anti-blocking device | |
| CN216798954U (en) | Water purifier detection device | |
| CN217121217U (en) | Valve chamber ball valve blowdown unloading collection device of natural gas transmission station | |
| CN212539559U (en) | Experimental device for be used for flexible rubber joint vacuum and withstand voltage degree | |
| CN216113408U (en) | Automatic sewage discharging device for industrial water system | |
| CN211425602U (en) | Water meter detection device | |
| CN212722027U (en) | Pipeline system of integrated valve automatic detection machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |