CN112762224A - Natural gas ball valve capable of monitoring concentration of natural gas - Google Patents
Natural gas ball valve capable of monitoring concentration of natural gas Download PDFInfo
- Publication number
- CN112762224A CN112762224A CN202110033781.4A CN202110033781A CN112762224A CN 112762224 A CN112762224 A CN 112762224A CN 202110033781 A CN202110033781 A CN 202110033781A CN 112762224 A CN112762224 A CN 112762224A
- Authority
- CN
- China
- Prior art keywords
- natural gas
- detection device
- concentration
- groove
- output gear
- 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.)
- Pending
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 239000003345 natural gas Substances 0.000 title claims abstract description 51
- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
- F16L41/16—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe the branch pipe comprising fluid cut-off means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/124—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced radially into the pipe or hose
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a natural gas ball valve capable of monitoring the concentration of natural gas, wherein a toothed bar is positioned in a chute, an output gear is arranged at the output end of a motor and is meshed with the toothed bar, a baffle is arranged at one end of the toothed bar, which is far away from the output gear, the baffle corresponds to a limiting groove, a shunt tube corresponds to a through hole, a gas concentration detection device is arranged on the shunt tube, a user controls the motor to start through a master controller at regular time, so that the output gear drives the toothed bar to move in the chute, the baffle is separated from the through hole, partial natural gas is conveyed into the shunt tube, the gas concentration detection device is used for respectively detecting the concentration of the natural gas in a gas inlet pipe and the gas outlet pipe, and whether the natural gas leaks at a valve seat is judged, so that the user notifies the service person to perform the service.
Description
Technical Field
The invention relates to the technical field of ball valves, in particular to a natural gas ball valve capable of monitoring the concentration of natural gas.
Background
The natural gas ball valve can not avoid appearing wearing and tearing in the use, can cause slight natural gas to reveal when wearing and tearing to the certain degree, and the user is difficult to perceive when revealing the degree is lower, if wait until the natural gas reveal the user can perceive when, keeping in repair the personnel of informing and maintaining, can have certain potential safety hazard.
Disclosure of Invention
The invention aims to provide a natural gas ball valve capable of monitoring the concentration of natural gas, and aims to solve the technical problems that a user is difficult to perceive when the leakage degree of the natural gas is low in the prior art, and certain potential safety hazards exist when maintenance personnel are notified to maintain the natural gas ball valve when the natural gas leakage degree is perceived by the user.
In order to achieve the purpose, the natural gas ball valve capable of monitoring the concentration of natural gas comprises a valve seat, a main controller, a gas inlet pipe, a gas outlet pipe and a detection system, wherein the gas inlet pipe and the gas outlet pipe are respectively arranged at two ends of the valve seat, the valve seat comprises a shell, a valve body, a valve rod and a valve handle, the valve rod penetrates through the shell, one end of the valve rod is detachably connected with the valve body, the valve body is positioned in the shell, the other end of the valve rod is detachably connected with the valve handle, the main controller is further arranged on the shell, the detection system comprises a first detection device and a second detection device, the first detection device is arranged on the gas inlet pipe, the second detection device is arranged on the gas outlet pipe, and a sliding groove, a rotating groove, a limiting groove and a through hole are respectively arranged on the gas inlet pipe, the one end of spout is provided with rotate the groove, the other end of spout is provided with the spacing groove, the spacing inslot is provided with the through-hole, first detection device with second detection device all includes motor, output gear, ratch, baffle, shunt tubes and gas concentration detection device, the ratch is located in the spout, the motor respectively with correspond the intake pipe with the connection can be dismantled to the outlet duct, the output of motor is provided with output gear, output gear with it corresponds to rotate the groove, output gear with the ratch meshing, the ratch is kept away from output gear's one end is provided with the baffle, the baffle with the spacing groove is corresponding, the shunt tubes with the through-hole is corresponding, be provided with on the shunt tubes gas concentration detection device.
The sliding groove is provided with a limiting groove, the limiting groove is arranged in the limiting groove, and the limiting groove is provided with a plurality of first sealing rings.
Wherein, the shell includes casing and installing frame, be provided with the mounting groove on the casing, the valve rod runs through the mounting groove, the master controller with the connection can be dismantled to the installing frame.
The motor and the outside of master controller all are provided with the safety cover.
The valve rod is provided with a mounting groove, a plurality of first sealing rings are arranged in the mounting groove, and each first sealing ring is sleeved outside the valve rod.
Wherein, be provided with the rubber sleeve on the valve handle.
The invention has the beneficial effects that: the gas inlet pipe is provided with the first detection device, the gas outlet pipe is provided with the second detection device, the toothed bar is positioned in the chute, the output end of the motor is provided with the output gear, the output gear is meshed with the toothed bar, one end of the toothed bar, which is far away from the output gear, is provided with the baffle, the baffle corresponds to the limiting groove, the shunt pipe corresponds to the through hole, the gas concentration detection device is arranged on the shunt pipe, a user controls the motor to start through the master controller at regular time, so that the output gear drives the toothed bar to move in the chute, the baffle is separated from the through hole, partial natural gas is conveyed into the shunt pipe, and the natural gas concentrations of the gas inlet pipe and the gas outlet pipe are respectively detected through the gas concentration detection device, thereby judge whether the natural gas appears revealing in valve seat department to be convenient for inform maintenance personal and maintain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a natural gas ball valve capable of monitoring the concentration of natural gas according to the present invention.
Fig. 2 is a side view of the present invention without the protective cover installed.
Fig. 3 is a sectional view of the internal structure of fig. 2 taken along line a-a of the present invention.
Fig. 4 is an enlarged view of a portion of the structure of fig. 3 a according to the present invention.
1-valve seat, 2-main controller, 3-air inlet pipe, 4-air outlet pipe, 5-shell, 6-valve body, 7-valve rod, 8-valve handle, 9-chute, 10-rotating groove, 11-limiting groove, 12-through hole, 13-motor, 14-output gear, 15-toothed bar, 16-baffle, 17-shunt pipe, 18-gas concentration detection device, 19-limiting plate, 20-first sealing ring, 21-shell, 22-mounting frame, 23-protective cover, 24-second sealing ring, 25-rubber sleeve, 26-alarm device, 27-push rod and 28-self-expanding air bag.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 4, the invention provides a natural gas ball valve capable of monitoring the concentration of natural gas, which comprises a valve seat 1, a main controller 2, a gas inlet pipe 3, a gas outlet pipe 4 and a detection system, wherein the gas inlet pipe 3 and the gas outlet pipe 4 are respectively arranged at two ends of the valve seat 1, the valve seat 1 comprises a shell 5, a valve body 6, a valve rod 7 and a valve handle 8, the valve rod 7 penetrates through the shell 5, one end of the valve rod 7 is detachably connected with the valve body 6, the valve body 6 is positioned in the shell 5, the other end of the valve rod 7 is detachably connected with the valve handle 8, the main controller 2 is further arranged on the shell 5, the detection system comprises a first detection device and a second detection device, the first detection device is arranged on the gas inlet pipe 3, the second detection device is arranged on the gas outlet pipe 4, a chute 9 is arranged on the gas inlet pipe 3 and the gas outlet pipe 4, The gas concentration detection device comprises a rotating groove 10, a limiting groove 11 and a through hole 12, wherein the rotating groove 10 is arranged at one end of the sliding groove 9, the limiting groove 11 is arranged at the other end of the sliding groove 9, the through hole 12 is arranged in the limiting groove 11, the first detection device and the second detection device respectively comprise a motor 13, an output gear 14, a toothed bar 15, a baffle 16, a shunt tube 17 and a gas concentration detection device 18, the toothed bar 15 is positioned in the sliding groove 9, the motor 13 is detachably connected with the corresponding gas inlet tube 3 and the corresponding gas outlet tube 4 respectively, the output gear 14 is arranged at the output end of the motor 13, the output gear 14 corresponds to the rotating groove 10, the output gear 14 is meshed with the toothed bar 15, the baffle 16 is arranged at one end, far away from the output gear 14, of the toothed bar 15, and the baffle 16 corresponds to the limiting groove 11, the shunt pipe 17 corresponds to the through hole 12, and the gas concentration detection device 18 is arranged on the shunt pipe 17.
In this embodiment, the air inlet pipe 3 is provided with the first detection device, the air outlet pipe 4 is provided with the second detection device, the air inlet pipe 3 and the air outlet pipe 4 are both provided with a sliding groove 9, a rotating groove 10, a limiting groove 11 and a through hole 12, the rack bar 15 is located in the sliding groove 9, the output end of the motor 13 is provided with the output gear 14, the output gear 14 corresponds to the rotating groove 10, the output gear 14 is meshed with the rack bar 15, one end of the rack bar 15, which is far away from the output gear 14, is provided with the baffle 16, the baffle 16 corresponds to the limiting groove 11, the shunt pipe 17 corresponds to the through hole 12, the shunt pipe 17 is provided with the gas concentration detection device 18, and a user controls the motor 13 to start through the master controller 2 at regular time, so that the output gear 14 drives the rack bar 15 to move in the sliding groove 9, and then the baffle 16 is separated from the through hole 12, part of the natural gas is conveyed to the shunt pipe 17, and the natural gas concentration of the gas inlet pipe 3 and the gas outlet pipe 4 is respectively detected by the gas concentration detection device 18, so that whether the natural gas leaks from the valve seat 1 is judged, and a maintenance worker is informed to maintain the natural gas.
Further, a limiting plate 19 is arranged at one end, close to the limiting groove 11, of the sliding groove 9, and a plurality of first sealing rings 20 are arranged on the limiting plate 19.
In the present embodiment, the plurality of first sealing rings 20 are provided on the stopper plate 19, so that natural gas does not leak from the chute 9 through the rotation groove 10.
Further, the shell 5 includes casing 21 and installing frame 22, be provided with the mounting groove on the casing 21, the valve rod 7 runs through the mounting groove, master controller 2 with the connection can be dismantled to installing frame 22.
In this embodiment, the main controller 2 is connected to the mounting frame 22 by a screw thread, so that the main controller 2 is mounted on the housing 5, and the mounting frame 22 is fixedly connected to the housing 21, and is manufactured by an integral molding technique, so that the structure is firmer.
Further, a protective cover 23 is provided outside the motor 13 and the main controller 2.
In the present embodiment, the protective cover 23 protects the motor 13 and the main controller 2 from the external environment, thereby improving the service life of the motor 13 and the main controller 2.
Further, a plurality of second sealing rings 24 are arranged in the mounting groove, and each second sealing ring 24 is sleeved outside the valve rod 7.
In the present embodiment, the plurality of second seal rings 24 are provided in the mounting groove, so that leakage of natural gas from the connection between the mounting groove and the valve rod 7 is avoided.
Further, a rubber sleeve 25 is arranged on the valve handle 8.
In this embodiment, the rubber sleeve 25 is provided on the valve handle 8, so that it is more convenient to rotate the valve handle 8.
Further, an alarm device 26 is disposed outside the housing 21, and the alarm device 26 is electrically connected to the main controller 2.
In this embodiment, when the main controller 2 monitors that the natural gas concentration changes and leaks through the detection system, the alarm is controlled to be started, so as to remind a maintenance person of the leakage of the natural gas and the need of maintenance.
Further, the valve rod 7 is hollow structure setting, the inside of valve rod 7 is provided with push rod 27, push rod 27's promotion end is provided with self-expanding gasbag 28, self-expanding gasbag 28 is located push rod 27 is close to the one end of valve body 6, push rod 27 with master controller 2 electric connection.
In this embodiment, when the main controller 2 monitors that the natural gas concentration changes and leaks through the detection system, the push rod 27 is controlled to push and the self-expanding airbag 28 is pushed into the valve body 6, so that leakage of the natural gas is delayed, and the problem that maintenance personnel cannot arrive in time and the natural gas leaks too much to cause great damage is avoided.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A natural gas ball valve capable of monitoring the concentration of natural gas is characterized in that,
the valve seat comprises a shell, a valve body, a valve rod and a valve handle, the valve rod penetrates through the shell, one end of the valve rod is detachably connected with the valve body, the valve body is positioned in the shell, the other end of the valve rod is detachably connected with the valve handle, the master controller is further arranged on the shell, the detection system comprises a first detection device and a second detection device, the first detection device is arranged on the air inlet pipe, the second detection device is arranged on the air outlet pipe, a sliding groove, a rotating groove, a limiting groove and a through hole are formed in the air inlet pipe and the air outlet pipe, the rotating groove is formed in one end of the sliding groove, and the limiting groove is formed in the other end of the sliding groove, the limiting groove is internally provided with the through hole, the first detection device and the second detection device all comprise a motor, an output gear, a toothed bar, a baffle, a shunt tube and a gas concentration detection device, the toothed bar is located in the sliding groove, the motor corresponds to the intake pipe and the outlet pipe in a detachable mode, the output end of the motor is provided with the output gear, the output gear corresponds to the rotating groove, the output gear is meshed with the toothed bar, the toothed bar is far away from the one end of the output gear is provided with the baffle, the baffle corresponds to the limiting groove, the shunt tube corresponds to the through hole, and the gas concentration detection device is arranged on the shunt tube.
2. The natural gas ball valve capable of monitoring the concentration of natural gas as claimed in claim 1,
the sliding groove is provided with a limiting plate at one end close to the limiting groove, and the limiting plate is provided with a plurality of first sealing rings.
3. The natural gas ball valve capable of monitoring the concentration of natural gas as claimed in claim 1,
the shell includes casing and installing frame, be provided with the mounting groove on the casing, the valve rod runs through the mounting groove, the master controller with the connection can be dismantled to the installing frame.
4. The natural gas ball valve capable of monitoring the concentration of natural gas as claimed in claim 1,
the motor with the outside of master controller all is provided with the safety cover.
5. A natural gas ball valve capable of monitoring the concentration of natural gas as claimed in claim 3,
a plurality of second sealing rings are arranged in the mounting groove, and each second sealing ring is sleeved outside the valve rod.
6. The natural gas ball valve capable of monitoring the concentration of natural gas as claimed in claim 1,
the valve handle is provided with a rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110033781.4A CN112762224A (en) | 2021-01-12 | 2021-01-12 | Natural gas ball valve capable of monitoring concentration of natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110033781.4A CN112762224A (en) | 2021-01-12 | 2021-01-12 | Natural gas ball valve capable of monitoring concentration of natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112762224A true CN112762224A (en) | 2021-05-07 |
Family
ID=75701476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110033781.4A Pending CN112762224A (en) | 2021-01-12 | 2021-01-12 | Natural gas ball valve capable of monitoring concentration of natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112762224A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294538A (en) * | 2021-05-11 | 2021-08-24 | 杭州利华科技有限公司 | Gas flow adjusting device |
| CN116241679A (en) * | 2023-03-03 | 2023-06-09 | 江苏远洋阀门智控股份有限公司 | Quick cut-off medium pneumatic-hydraulic ball valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032613A (en) * | 2012-12-12 | 2013-04-10 | 中国航天科技集团公司第六研究院第十一研究所 | High-and-small flow classifying throttling mechanism capable of changing flow resistance within large range |
| US20170115010A1 (en) * | 2014-03-26 | 2017-04-27 | Martino Contractors Ltd. | A monitor for a natural gas-fired appliance |
| CN207394381U (en) * | 2017-09-26 | 2018-05-22 | 孙权 | A kind of natural-gas transfer pipeline gas leakage monitoring alarm |
| CN110043710A (en) * | 2019-05-08 | 2019-07-23 | 河北科技大学 | A kind of Electronic control protective device when decompression defective valve |
| CN209990939U (en) * | 2019-03-07 | 2020-01-24 | 双恒阀门集团有限公司 | Natural gas ball valve |
-
2021
- 2021-01-12 CN CN202110033781.4A patent/CN112762224A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032613A (en) * | 2012-12-12 | 2013-04-10 | 中国航天科技集团公司第六研究院第十一研究所 | High-and-small flow classifying throttling mechanism capable of changing flow resistance within large range |
| US20170115010A1 (en) * | 2014-03-26 | 2017-04-27 | Martino Contractors Ltd. | A monitor for a natural gas-fired appliance |
| CN207394381U (en) * | 2017-09-26 | 2018-05-22 | 孙权 | A kind of natural-gas transfer pipeline gas leakage monitoring alarm |
| CN209990939U (en) * | 2019-03-07 | 2020-01-24 | 双恒阀门集团有限公司 | Natural gas ball valve |
| CN110043710A (en) * | 2019-05-08 | 2019-07-23 | 河北科技大学 | A kind of Electronic control protective device when decompression defective valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294538A (en) * | 2021-05-11 | 2021-08-24 | 杭州利华科技有限公司 | Gas flow adjusting device |
| CN116241679A (en) * | 2023-03-03 | 2023-06-09 | 江苏远洋阀门智控股份有限公司 | Quick cut-off medium pneumatic-hydraulic ball valve |
| CN116241679B (en) * | 2023-03-03 | 2023-09-08 | 江苏远洋阀门智控股份有限公司 | Quick cut-off medium pneumatic-hydraulic ball valve |
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Application publication date: 20210507 |
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