CN215906163U - Natural gas filtering device with blocking alarm function - Google Patents
Natural gas filtering device with blocking alarm function Download PDFInfo
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- CN215906163U CN215906163U CN202122480127.6U CN202122480127U CN215906163U CN 215906163 U CN215906163 U CN 215906163U CN 202122480127 U CN202122480127 U CN 202122480127U CN 215906163 U CN215906163 U CN 215906163U
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Abstract
The utility model provides a natural gas filtering device with a blockage alarming function, which belongs to the technical field of natural gas transmission and comprises a filter, an air inlet pipe, an air outlet pipe, a pressure release valve, an air storage tank and an alarming unit, wherein the pressure release valve is communicated with the air inlet pipe of the filter, the air outlet end of the pressure release valve is communicated with the air storage tank, the pressure release valve is in a closed state in the daily use process, the pressure at the air inlet pipe of the filter is increased due to the blockage of a filtering system with the later stage inside the filter, so that the pressure release valve is changed into an open state, natural gas is communicated into the air storage tank through the pressure release valve, the alarming unit is arranged between the pressure release valve and the air storage tank, and when the natural gas is transmitted to the air storage tank through the pressure release valve, the alarming unit can send an alarming signal to remind an operator to maintain and maintain the filter in time, so that the transmission efficiency of the natural gas is ensured.
Description
Technical Field
The utility model belongs to the technical field of natural gas conveying, and particularly relates to a natural gas filtering device with a blockage alarming function.
Background
In the process of conveying natural gas, because the natural gas contains various impurities, which seriously affect the use quality of the natural gas, a filter for filtering the impurities in the natural gas needs to be arranged on a natural gas conveying pipeline in the process of conveying the natural gas, the filter is easy to block due to excessive impurities in the long-term use process, so that the conveying effect of the natural gas is affected, the pressure at an air inlet pipe on the filter is increased, the natural gas cannot be effectively conveyed through the filter, an operator needs to maintain the filter and replace a filter element in the filter or clean the filter, at present, the blocking condition of the filter is usually judged by manually observing a pressure instrument on the filter, the operator needs to periodically check the change dynamics of the pressure instrument, but the blocking condition of the filter cannot be found out at first time due to manual reasons, resulting in an impact on the delivery of natural gas and the efficiency of the delivery.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a natural gas filtering device with a blockage alarming function, and aims to solve the problem that the natural gas conveying efficiency is influenced because the blockage condition of a filter cannot be found at the first time in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that: provided is a natural gas filtering device with a blockage warning function, including:
a filter for filtering natural gas;
the air inlet pipe is communicated with the air inlet of the filter and is used for conveying natural gas into the filter;
the gas outlet pipe is communicated with the gas outlet of the filter and is used for outputting the natural gas from the filter;
the air inlet of the pressure relief valve is communicated with the air inlet pipe;
the gas storage tank is communicated with the gas outlet of the pressure release valve and is used for collecting the natural gas which flows through the pressure release valve; and
and the alarm unit is arranged at the air outlet of the pressure release valve and used for sending an alarm signal when the pressure release valve is opened.
As another embodiment of the present application, the card assembly includes:
the alarm unit includes:
the gas storage tank comprises a control box, a gas inlet end and a gas outlet end, wherein a sliding cavity is arranged in the control box, one end of the sliding cavity in the length direction is provided with the gas inlet end communicated with the gas outlet of the pressure release valve, and the side wall of the sliding cavity is provided with the gas outlet end communicated with the gas inlet of the gas storage tank;
the first piston is arranged in the sliding cavity, and the first piston has the freedom degree of sliding from the side, close to the air inlet, of the air outlet end to the side, far away from the air inlet, of the air outlet end in the sliding cavity;
the first elastic piece is arranged between the first piston and the control box and used for driving the first piston to move towards the direction close to the air inlet;
the collision switch is arranged on the control box, is electrically connected with an alarm mechanism for sending an alarm signal, and is used for controlling the alarm state of the alarm mechanism;
and the driving component is arranged between the abutting switch and the first piston, and the driving end of the driving component can abut against the abutting switch.
As another embodiment of the present application, the driving assembly includes:
the driving rod is arranged in the sliding cavity in a sliding mode along the sliding direction of the first piston, one end of the driving rod is fixedly connected with the first piston, and a conical structure is arranged at the other end of the driving rod;
the ejector rod is arranged on the control box in a sliding mode along the direction perpendicular to the sliding direction of the driving rod, one end of the ejector rod abuts against the conical structure, and the other end of the ejector rod can abut against the abutting switch to open the alarm mechanism;
and the second elastic piece is arranged between the ejector rod and the control box and used for driving the ejector rod to move towards the direction close to the driving rod.
As another embodiment of the present application, the push rod is disposed near the end portion of the driving rod with a rounded corner.
As another embodiment of the application, the end part of the ejector rod close to the driving rod is provided with a rolling wheel which is used for the ejector rod to slide outside the driving rod conveniently.
As another embodiment of the present application, the alarm unit further includes:
the second piston is arranged in parallel with the first piston at an interval and is arranged in the sliding cavity in a sliding mode, and the second piston is positioned on one side, far away from the air inlet end, of the air outlet end;
and the connecting rod is arranged between the first piston and the second piston and is used for fixedly connecting the first piston with the second piston.
As another embodiment of this application, the control box outside is provided with the fixed block, be provided with on the fixed block and be used for the ejector pin slides the sliding tray that sets up, the ejector pin slides and sets up just run through in the sliding tray the fixed block setting.
As another embodiment of the present application, the alarm unit further includes:
the mounting plate is arranged on one side, away from the driving rod, of the ejector rod along the sliding direction of the ejector rod and used for mounting a collision switch;
the fastener is arranged between the mounting plate and the control box and used for fixing the mounting plate on the control box;
the gasket, quantity is a plurality of, sets up the mounting panel with between the control box, be used for adjusting the mounting panel with interval between the ejector pin.
As another embodiment of this application, be provided with on the gas holder with the blast pipe of intake pipe intercommunication, be provided with on the blast pipe and be used for controlling the control switch of blast pipe open and shut state.
As another embodiment of the present application, a pressure monitoring device for monitoring a pressure value in the air tank is disposed on the air tank.
The natural gas filtering device with the blockage alarming function has the beneficial effects that: compared with the prior art, through be provided with intake pipe and outlet duct with natural gas transmission pipeline intercommunication on the filter, intake pipe and outlet duct pass through ring flange and pipeline sealing connection, are provided with the relief valve in the intake pipe department of filter, and the gas outlet intercommunication at the relief valve has the gas holder, and the gas holder is used for storing the relief valve combustion gas, is provided with alarm unit between relief valve and gas holder, and when the air ware is carried to the delivery to through the relief valve
When the natural gas storage tank is used and the interior of the filter is seriously blocked and needs maintenance, the pressure of the gas inlet pipe is gradually increased, so that the pressure release valve is opened and partial natural gas is transmitted into the gas storage tank through the pressure release valve, the alarm unit generates a signal to remind an operator in time after the natural gas passes through the alarm unit, and the operator can clean the filter or replace a filter element in time to ensure the conveying efficiency of the natural gas.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions 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 structural diagram of a natural gas filtering device with a blockage warning function according to an embodiment of the utility model;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the figure: 1. a filter; 11. an air inlet pipe; 12. an air outlet pipe; 2. a pressure relief valve; 3. a gas storage tank; 4. an alarm unit; 41. a control box; 42. a first piston; 43. a first elastic member; 44. a touch switch; 441. mounting a plate; 442. a fastener; 443. a gasket; 45. a drive assembly; 451. a drive rod; 452. a top rod; 453. a second elastic member; 454. a rolling wheel; 46. an alarm mechanism; 47. a second piston; 471. a connecting rod; 48. a fixed block; 5. an exhaust pipe; 51. a control switch; 6. and a monitoring device.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 and fig. 2 together, the natural gas filtering apparatus with a blockage warning function according to the present invention will now be described. The natural gas filtering device with the blockage alarming function comprises a filter 1, an air inlet pipe 11, a gas storage tank 3, a pressure release valve 2, a gas storage tank 3 and an alarming unit 4. The filter 1 is used for filtering natural gas; the air inlet pipe 11 is communicated with an air inlet of the filter 1 and is used for conveying natural gas into the filter 1; the gas outlet pipe 12 is communicated with the gas outlet of the filter 1 and is used for outputting natural gas from the filter 1; an air inlet of a pressure relief valve 2 of the pressure relief valve 2 is arranged in an air inlet pipe 11 and communicated with the air inlet; the gas storage tank 3 is communicated with a gas outlet of the pressure release valve 2 and is used for collecting the natural gas which flows through the pressure release valve 2; and the alarm unit 4 is arranged at the air outlet of the pressure release valve 2 and used for sending an alarm signal when the pressure release valve 2 is opened.
Compared with the prior art, the natural gas filtering device with the blockage warning function provided by the embodiment is characterized in that the filter 1 is provided with the gas inlet pipe 11 and the gas outlet pipe 12 which are communicated with the natural gas conveying pipeline, the gas inlet pipe 11 and the gas outlet pipe 12 are hermetically connected with the conveying pipeline through the flange plate, the gas inlet pipe 11 of the filter 1 is provided with the pressure release valve 2, the gas outlet of the pressure release valve 2 is communicated with the gas storage tank 3, the gas storage tank 3 is used for storing gas discharged by the pressure release valve 2, the warning unit 4 is arranged between the pressure release valve 2 and the gas storage tank 3, and when a gas generator is conveyed to the gas storage tank 3 through the pressure release valve 2, the warning unit 4 sends a warning signal through the warning unit 4, after the natural gas passes through the alarm unit 4, the alarm unit 4 generates a signal to remind an operator in time, and the operator can clean the filter 1 or replace a filter element in time so as to ensure the conveying efficiency of the natural gas.
In this embodiment, the pressure release valve 2 adopts the adjustable pressure release valve 2, can adjust the operating pressure when the pressure release valve 2 opens according to different service environment.
Referring to fig. 1 and 2 together, the alarm unit 4 includes a control box 41, a first piston 42, a first elastic member 43, an abutting switch 44, and a driving assembly 45. A sliding cavity is arranged in the control box 41 of the control box 41, one end of the sliding cavity along the length direction is provided with an air inlet end communicated with an air outlet of the pressure release valve 2, and the side wall of the sliding cavity is provided with an air outlet end communicated with an air inlet of the air storage tank 3; the first piston 42 is arranged in the sliding cavity, and the first piston 42 has a degree of freedom of sliding from the side of the air outlet end close to the air inlet to the side of the air outlet end far away from the air inlet in the sliding cavity; the first elastic element 43 is arranged between the first piston 42 and the control box 41 and is used for driving the first piston 42 to move towards the direction close to the air inlet; the collision switch 44 is arranged on the control box 41, the collision switch 44 is electrically connected with an alarm mechanism 46 for sending an alarm signal, and the collision switch 44 is used for controlling the alarm state of the alarm mechanism 46; the driving member 45 is disposed between the interference switch 44 and the first piston 42, and a driving end of the driving member 45 may interfere with the interference switch 44. Vertical setting of control box 41 is in gas holder 3 department, be provided with the slip chamber along vertical direction in control box 41, top in the slip chamber is provided with the inlet end, one side in the slip chamber is provided with the end of giving vent to anger, first piston 42 slides along vertical direction and sets up inside the slip chamber, during free state, first elastic component 43 drive first piston 42 makes first piston 42 be located the end of giving vent to anger and is close to inlet end one side, make the inlet end seal through first piston 42 with the end of giving vent to anger and keep apart, when relief valve 2 was opened, the natural gas is carried to the slip intracavity and is promoted first piston 42 through the inlet end and remove, make first piston 42 remove to the end of giving vent to anger and keep away from inlet end one side, thereby make the inlet end with give vent to anger the end intercommunication, carry the natural gas to in the gas holder 3. When the natural gas entering at the air inlet end pushes the first piston 42 to move, the first piston 42 is connected with the driving assembly 45, the driving of the driving assembly 45 is abutted to the abutting switch 44, and the alarm mechanism 46 is triggered to generate an alarm signal.
In this embodiment, the alarm unit 4 includes an alarm lamp and a buzzer provided outside the control box 41, and a power supply for supplying electric energy to the alarm lamp and the buzzer. The power supply, the alarm lamp and the buzzer are mutually communicated through the touch switch 44, and the warning function can be achieved on the scene.
Referring to fig. 1 and 2 together, the driving assembly 45 includes a driving rod 451, a push rod 452, and a second elastic member 453, which are one embodiment of the natural gas filtering apparatus with a blockage warning function according to the present invention. The driving rod 451 is slidably arranged in the sliding cavity along the sliding direction of the first piston 42, one end of the driving rod 451 is fixedly connected with the first piston 42, and the other end of the driving rod 451 is provided with a conical structure; the push rod 452 is arranged on the control box 41 in a sliding manner along a direction perpendicular to the sliding direction of the driving rod 451, one end of the push rod 452 abuts against the conical structure, and the other end of the push rod 452 abuts against the abutting switch 44 to turn on the alarm mechanism 46; the second elastic member 453 is disposed between the push rod 452 and the control box 41 to drive the push rod 452 to move toward the driving rod 451. The actuating lever 451 sets up with first piston 42 is coaxial and one end fixed connection is on first piston 42, actuating lever 451 slides and seals the setting and keeps away from inlet end one side at control box 41, and run through the lateral wall setting of control box 41, the part that the actuating lever 451 is located the control box 41 outside is the toper structure, the toper structure is from keeping away from the inlet end and to being close to inlet end one side diameter grow gradually, ejector pin 452 slides and sets up the outside at control box 41, conflict switch 44 sets up the side at control box 41, and be located the extension direction that the ejector pin 452 kept away from actuating lever 451 one side, when actuating lever 451 is removing along its axis direction, the toper structure promotes ejector pin 452 and removes and finally conflicts on conflict switch 44 to conflict switch 44 direction, make conflict switch 44 reach the closed state, thereby trigger alarm mechanism 46 and send alarm signal.
In this embodiment, the touch switch 44 is a touch switch, when the push rod 452 touches the touch switch 44, the alarm mechanism 46 is connected to the power supply to send an alarm signal, and when the push rod 452 is separated from the touch switch 44, the alarm mechanism 46 is disconnected from the power supply to release the alarm.
As an embodiment of the natural gas filtering apparatus with a blockage warning function according to the present invention, referring to fig. 1 and 2, the top rod 452 is disposed near the end of the driving rod 451 with a rounded corner. The end of the push rod 452 is spherical, so that the driving rod 451 can be guided when contacting with the push rod 452, and the push rod 452 can slide more smoothly.
Referring to fig. 1 and 2 together, as a specific embodiment of the natural gas filtering apparatus with a blockage warning function according to the present invention, a rolling wheel 454 is disposed at an end of the push rod 452 close to the driving rod 451, so that the push rod 452 can slide outside the driving rod 451. The rolling wheel 454 surrounds the carrying case outside the conical structure on the driving rod 451, and the axis of the rolling wheel 454 is perpendicular to the axis of the driving rod 451 and the axis of the push rod 452, so that the driving rod 451 drives the rolling wheel 454 to rotate when driving the push rod 452 to move. The smoothness of the push rod 452 driven by the driving rod 451 is improved.
Referring to fig. 1 and 2 together, the alarm unit 4 further includes a second piston 47 and a connecting rod 471. The second piston 47 and the first piston 42 are arranged in parallel at intervals and are arranged in the sliding cavity in a sliding manner, and the second piston 47 is positioned on one side of the air outlet end, which is far away from the air inlet end; a connecting rod 471 is disposed between the first piston 42 and the second piston 47 for fixedly connecting the first piston 42 and the second piston 47. When the first piston 42 moves in the sliding cavity, the second piston 47 is always located at the air outlet end and away from the air inlet end, so that the position of the driving rod 451 penetrating through the side wall of the control box 41 can always guarantee a sealing state with the air outlet end, and the danger of natural gas leakage through the position of the driving rod 451 penetrating through the side wall of the control box 41 when the first piston 42 is located at the air outlet end and close to the air inlet end is prevented. The first piston 42 and the second piston 47 are fixedly connected by a connecting rod 471, and the first piston 42 can drive the second piston 47 to move together when sliding.
In this embodiment, the outer sides of the peripheries of the first piston 42 and the second piston 47 are both provided with a sealing ring, and both are connected with the sliding cavity in a sealing manner.
Referring to fig. 1 and 2 together, a fixing block 48 is disposed outside the control box 41, the fixing block 48 is provided with a sliding groove for slidably disposing the push rod 452, and the push rod 452 is slidably disposed in the sliding groove and penetrates through the fixing block 48. The fixed block 48 is provided with a flange, the flange is fixedly connected with the control box 41 through a screw in a penetrating mode, a sliding groove is formed in the fixed block 48, the ejector rod 452 is provided with a guide sliding portion, the outer diameter of the guide sliding portion is larger than that of the ejector rod 452, and the ejector rod 452 is arranged in the guide sliding groove in a sliding mode through the guide sliding portion. The second elastic member 453 is located in the slide guide groove, one end of the second elastic member abuts against the slide guide portion, and the other end abuts against the inner wall of the slide guide groove, so that the push rod 452 is driven to move toward the driving rod 451. The installation of the ejector rod 452 can be facilitated through the arrangement of the fixing block 48.
In this embodiment, the cross section of the guide groove along the length direction is square, so that the push rod 452 can be prevented from rotating along the axis direction in the guide groove.
Referring to fig. 1 and 2 together, the alarm unit 4 further includes a mounting plate 441, a fastener 442, and a gasket 443, in order to provide an embodiment of the natural gas filtering apparatus with a blockage warning function according to the present invention. The mounting plate 441 is arranged on one side of the ejector rod 452 far away from the driving rod 451 along the sliding direction of the ejector rod 452 and is used for mounting the abutting switch 44; the fastener 442 is provided between the mounting plate 441 and the control box 41, for fixing the mounting plate 441 to the control box 41; the spacers 443 are provided in plural numbers between the mounting plate 441 and the control box 41, and are used to adjust the distance between the mounting plate 441 and the jack 452. Conflict switch 44 fixed mounting is in the one side that mounting panel 441 is close to ejector pin 452, and ejector pin 452 can conflict when sliding on fixed block 48 and be used for starting alarm mechanism 46 and send alarm signal on conflict switch 44, and fastener 442 is the screw, is provided with the screw via hole on gasket 443, through the interval of adjusting gasket 443 between mounting panel 441 and control box 41 box, makes ejector pin 452 can be in reasonable warning range when conflicting conflict switch 44.
Referring to fig. 1 and 2 together, as a specific embodiment of the natural gas filtering apparatus with a blockage warning function according to the present invention, an exhaust pipe 5 communicating with an intake pipe 11 is disposed on an air storage tank 3, and a control switch 51 for controlling an opening and closing state of the exhaust pipe 5 is disposed on the exhaust pipe 5. The exhaust pipe 5 on the gas holder 3 communicates with the intake pipe 11 of the filter 1, and after excessive natural gas is stored in the gas holder 3, the control switch 51 can be independently turned on to re-convey the natural gas in the gas holder 3 to the filter 1 for filtering, so that the natural gas in the gas holder 3 is fully utilized.
As a specific embodiment of the natural gas filtering apparatus with a blockage warning function according to the present invention, referring to fig. 1 and 2, a pressure monitoring device 6 for monitoring a pressure value inside the gas storage tank 3 is disposed on the gas storage tank 3. The content of the natural gas in the gas storage tank 3 can be monitored by the aid of the pressure monitoring device 6, the natural gas in the gas storage tank 3 can be conveyed to the filter 1 to be output after being filtered when a certain pressure value is reached for preventing failure of the alarm unit 4, and the natural gas is prevented from being conveyed to the gas storage tank 3 through the pressure release valve 2 due to excessive natural gas content in the gas storage tank 3, so that the alarm unit 4 fails.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a natural gas filter equipment with jam alarming function which characterized in that includes:
a filter for filtering natural gas;
the air inlet pipe is communicated with the air inlet of the filter and is used for conveying natural gas into the filter;
the gas outlet pipe is communicated with the gas outlet of the filter and is used for outputting the natural gas from the filter;
the air inlet of the pressure relief valve is communicated with the air inlet pipe;
the gas storage tank is communicated with the gas outlet of the pressure release valve and is used for collecting the natural gas which flows through the pressure release valve; and
and the alarm unit is arranged at the air outlet of the pressure release valve and used for sending an alarm signal when the pressure release valve is opened.
2. The natural gas filtering device with a clogging alarm function according to claim 1, wherein said alarm unit comprises:
the gas storage tank comprises a control box, a gas inlet end and a gas outlet end, wherein a sliding cavity is arranged in the control box, one end of the sliding cavity in the length direction is provided with the gas inlet end communicated with the gas outlet of the pressure release valve, and the side wall of the sliding cavity is provided with the gas outlet end communicated with the gas inlet of the gas storage tank;
the first piston is arranged in the sliding cavity, and the first piston has the freedom degree of sliding from the side, close to the air inlet, of the air outlet end to the side, far away from the air inlet, of the air outlet end in the sliding cavity;
the first elastic piece is arranged between the first piston and the control box and used for driving the first piston to move towards the direction close to the air inlet;
the collision switch is arranged on the control box, is electrically connected with an alarm mechanism for sending an alarm signal, and is used for controlling the alarm state of the alarm mechanism;
and the driving component is arranged between the abutting switch and the first piston, and the driving end of the driving component can abut against the abutting switch.
3. The natural gas filtering device with a clogging alarm function as claimed in claim 2, wherein said drive assembly comprises:
the driving rod is arranged in the sliding cavity in a sliding mode along the sliding direction of the first piston, one end of the driving rod is fixedly connected with the first piston, and a conical structure is arranged at the other end of the driving rod;
the ejector rod is arranged on the control box in a sliding mode along the direction perpendicular to the sliding direction of the driving rod, one end of the ejector rod abuts against the conical structure, and the other end of the ejector rod can abut against the abutting switch to open the alarm mechanism;
and the second elastic piece is arranged between the ejector rod and the control box and used for driving the ejector rod to move towards the direction close to the driving rod.
4. The natural gas filtering device with the clogging alarm function as claimed in claim 3, wherein said jack is provided near an end portion of said driving rod with a rounded corner.
5. The natural gas filtering device with the clogging alarm function according to claim 3, wherein an end of said jack rod near said driving rod is provided with a rolling wheel for said jack rod to slide outside said driving rod.
6. The natural gas filtering device with a clogging alarm function according to claim 2, wherein said alarm unit further comprises:
the second piston is arranged in parallel with the first piston at an interval and is arranged in the sliding cavity in a sliding mode, and the second piston is positioned on one side, far away from the air inlet end, of the air outlet end;
and the connecting rod is arranged between the first piston and the second piston and is used for fixedly connecting the first piston with the second piston.
7. The natural gas filtering device with the blockage warning function according to claim 3, wherein a fixed block is arranged outside the control box, a sliding groove for the ejector rod to be slidably arranged is formed in the fixed block, and the ejector rod is slidably arranged in the sliding groove and penetrates through the fixed block.
8. The natural gas filtering device with a clogging alarm function according to claim 3, wherein said alarm unit further comprises:
the mounting plate is arranged on one side, away from the driving rod, of the ejector rod along the sliding direction of the ejector rod and used for mounting a collision switch;
the fastener is arranged between the mounting plate and the control box and used for fixing the mounting plate on the control box;
the gasket, quantity is a plurality of, sets up the mounting panel with between the control box, be used for adjusting the mounting panel with interval between the ejector pin.
9. The natural gas filtering device with the blockage warning function according to claim 2, wherein the gas storage tank is provided with a gas exhaust pipe communicated with the gas inlet pipe, and the gas exhaust pipe is provided with a control switch for controlling the opening and closing state of the gas exhaust pipe.
10. The natural gas filtering device with a blockage warning function according to claim 9, wherein the gas tank is provided with a pressure monitoring device for monitoring a pressure value in the gas tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122480127.6U CN215906163U (en) | 2021-10-14 | 2021-10-14 | Natural gas filtering device with blocking alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122480127.6U CN215906163U (en) | 2021-10-14 | 2021-10-14 | Natural gas filtering device with blocking alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215906163U true CN215906163U (en) | 2022-02-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122480127.6U Active CN215906163U (en) | 2021-10-14 | 2021-10-14 | Natural gas filtering device with blocking alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215906163U (en) |
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2021
- 2021-10-14 CN CN202122480127.6U patent/CN215906163U/en active Active
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