CN212338933U - Automatic change safety monitoring formula gas pressure regulating device - Google Patents
Automatic change safety monitoring formula gas pressure regulating device Download PDFInfo
- Publication number
- CN212338933U CN212338933U CN202020530884.2U CN202020530884U CN212338933U CN 212338933 U CN212338933 U CN 212338933U CN 202020530884 U CN202020530884 U CN 202020530884U CN 212338933 U CN212338933 U CN 212338933U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- gas
- standby
- main pipeline
- gas pressure
- 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.)
- Active
Links
Images
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model relates to an automatic change safety monitoring formula gas pressure regulating device, this automatic change safety monitoring formula gas pressure regulating device includes: the controller is used for monitoring the mechanism, the pressure regulating mechanism and the cutting mechanism; the monitoring mechanism is suitable for detecting the gas pressure value in the gas pipeline and sending the gas pressure value to the controller, namely the controller is suitable for controlling the pressure regulating mechanism to regulate the gas pressure value according to the gas pressure value in the gas pipeline; when the pressure value of the fuel gas in the fuel gas pipeline exceeds a set value, the controller controls the cutting mechanism to cut off the fuel gas conveying in the fuel gas pipeline; the utility model discloses a gas pressure value in the monitoring mechanism real-time detection gas pipeline carries out automatic pressure regulating by pressure regulating mechanism to timely control shutdown mechanism cuts off the transport when gas pressure value is unusual in the gas pipeline, has realized the automatic function to gas transportation safety management and control in the gas pipeline, has improved the ageing and the reaction rate of gas transportation safety monitoring.
Description
Technical Field
The utility model relates to a gas transportation field especially relates to an automatic change safety monitoring formula gas regulator.
Background
The existing gas pressure regulating equipment is a field observation instrument of a field operator and operates the equipment, so that the timeliness is lacked, the reaction speed is not rapid enough, and the intelligent requirement of the industrial progress cannot be met.
Therefore, it is necessary to develop a new automatic safety monitoring type gas pressure regulating device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic change safety monitoring formula gas regulator to solve the problem of how to automize gas transportation in the safe management and control gas pipeline.
In order to solve the technical problem, the utility model provides an automatic change safety monitoring formula gas pressure regulating device, it includes: the controller is arranged in the gas pipeline and is electrically connected with the monitoring mechanism, the pressure regulating mechanism and the cutting mechanism; the monitoring mechanism is suitable for detecting the gas pressure value in the gas pipeline and sending the gas pressure value to the controller, namely the controller is suitable for controlling the pressure regulating mechanism to regulate the gas pressure value according to the gas pressure value in the gas pipeline; and when the pressure value of the fuel gas in the fuel gas pipeline exceeds a set value, the controller controls the cutting mechanism to cut off the fuel gas conveying in the fuel gas pipeline.
Further, the gas pipeline includes: the system comprises an inlet intermediate pipeline, a main pipeline, a standby pipeline and an outlet intermediate pipeline; one end of the inlet intermediate pipeline is connected with the input port of the main pipeline, the other end of the inlet intermediate pipeline is connected with the input port of the standby pipeline, one end of the outlet intermediate pipeline is connected with the output port of the main pipeline, and the other end of the outlet intermediate pipeline is connected with the output port of the standby pipeline; and the inlet middle pipeline is provided with a gas inlet, and the outlet middle pipeline is provided with a gas outlet.
Further, the monitoring mechanism includes: the main pipeline input port air pressure sensor, the main pipeline output port air pressure sensor, the standby pipeline input port air pressure sensor and the standby pipeline output port air pressure sensor are respectively arranged at an input port of the main pipeline, an output port of the main pipeline, an input port of the standby pipeline and an output port of the standby pipeline; the main pipeline input port air pressure sensor, the main pipeline output port air pressure sensor, the standby pipeline input port air pressure sensor and the standby pipeline output port air pressure sensor respectively acquire a gas pressure value at the main pipeline input port, a gas pressure value at the main pipeline output port, a gas pressure value at the standby pipeline input port and a gas pressure value at the standby pipeline output port.
Further, the pressure regulating mechanism includes: the main pipeline pressure regulator and the standby pipeline pressure regulator are respectively arranged in the main pipeline and the standby pipeline; the main pipeline pressure regulator and the standby pipeline pressure regulator are electrically connected with the controller; the controller adjusts the pressure value of the fuel gas in the main pipeline by controlling the main pipeline pressure regulator; the controller adjusts the gas pressure value in the standby pipeline by controlling the standby pipeline pressure regulator.
Further, the cutting mechanism includes: the safety cut-off valve for the main pipeline and the safety cut-off valve for the standby pipeline are correspondingly arranged in the main pipeline and the standby pipeline; the main pipeline safety cut-off valve and the standby pipeline safety cut-off valve are electrically connected with the controller; the controller cuts off the gas delivery in the main pipeline by controlling the safety cut-off valve of the main pipeline; the controller cuts off the gas delivery in the standby pipeline by controlling the safety cut-off valve of the standby pipeline.
Furthermore, the input port and the output port of the main pipeline are respectively provided with a main pipeline air inlet valve and a main pipeline air outlet valve; the main pipeline air inlet valve and the main pipeline air outlet valve are suitable for controlling the on-off of the main pipeline.
Further, a standby pipeline air inlet valve and a standby pipeline air outlet valve are respectively arranged at the input port and the output port of the standby pipeline; and the standby pipeline air inlet valve and the standby pipeline air outlet valve are suitable for controlling the on-off of the standby pipeline.
The beneficial effects of the utility model are that, the utility model discloses a gas pressure value in the monitoring mechanism real-time detection gas pipeline carries out automatic pressure regulating by pressure regulating mechanism to timely control shutdown mechanism cuts off the transport when gas pressure value is unusual in the gas pipeline, has realized the automatic function to gas transportation safety management and control in the gas pipeline, has improved the ageing and the reaction rate of gas transportation safety monitoring.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a control block diagram of the automatic safety monitoring type gas pressure regulating device of the present invention;
fig. 2 is the structure diagram of the automatic safety monitoring gas pressure regulating device of the utility model.
In the figure: the gas pipeline 1, the inlet middle pipeline 101 and the gas inlet 1011;
a main pipeline 102, a main pipeline air inlet valve 1021, and a main pipeline air outlet valve 1022;
a spare pipe 103, a spare pipe air inlet valve 1031 and a spare pipe air outlet valve 1032;
outlet intermediate pipe 104, gas outlet 1041;
the monitoring mechanism 2 comprises a main pipeline input port air pressure sensor 201, a main pipeline output port air pressure sensor 202, a standby pipeline input port air pressure sensor 203 and a standby pipeline output port air pressure sensor 204;
the pressure regulating mechanism 3, a main pipeline pressure regulator 301 and a standby pipeline pressure regulator 302;
a cutting mechanism 4, a main pipeline safety cut-off valve 401 and a standby pipeline safety cut-off valve 402.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1
FIG. 1 is a control block diagram of the automatic safety monitoring type gas pressure regulating device of the present invention;
fig. 2 is the structure diagram of the automatic safety monitoring gas pressure regulating device of the utility model.
In this embodiment, as shown in fig. 1 and fig. 2, this embodiment provides an automatic safety monitoring type gas pressure regulating device, which includes: the device comprises a controller, a monitoring mechanism 2, a pressure regulating mechanism 3 and a cutting mechanism 4, wherein the monitoring mechanism 2, the pressure regulating mechanism 3 and the cutting mechanism 4 are arranged in a gas pipeline 1 and are electrically connected with the controller; the monitoring mechanism 2 is suitable for detecting the gas pressure value in the gas pipeline 1 and sending the gas pressure value to the controller, namely the controller is suitable for controlling the pressure regulating mechanism 3 to regulate the gas pressure value according to the gas pressure value in the gas pipeline 1; and when the pressure value of the gas in the gas pipeline 1 exceeds a set value, the controller controls the cutting mechanism 4 to cut off the gas delivery in the gas pipeline 1.
In this embodiment, the controller may be, but is not limited to, an industrial personal computer, a siemens s71500 PLC.
In this embodiment, this embodiment is through 2 real-time detection gas pressure values in the gas pipeline 1 of monitoring mechanism, carries out automatic pressure regulating by pressure regulating mechanism 3 to timely control shutdown mechanism 4 cuts off the transport when gas pressure value is unusual in gas pipeline 1, has realized the automatic function of gas transportation safety control in to gas pipeline 1, has improved the ageing and the reaction rate of gas transportation safety monitoring.
In the present embodiment, the gas duct 1 comprises: an inlet intermediate pipeline 101, a main pipeline 102, a standby pipeline 103 and an outlet intermediate pipeline 104; one end of the inlet intermediate pipeline 101 is connected with the input port of the main pipeline 102, the other end of the inlet intermediate pipeline 101 is connected with the input port of the standby pipeline 103, one end of the outlet intermediate pipeline 104 is connected with the output port of the main pipeline 102, and the other end of the outlet intermediate pipeline 104 is connected with the output port of the standby pipeline 103; the inlet middle pipeline 101 is provided with a gas inlet 1011, and the outlet middle pipeline 104 is provided with a gas outlet 1041.
In this embodiment, the fault tolerance of the automatic safety monitoring type gas pressure regulating device can be improved by arranging the main pipeline 102 and the standby pipeline 103, and when the main pipeline 102 cannot work normally, the standby pipeline 103 is started to work instead of the main pipeline 102.
In the present embodiment, the monitoring mechanism 2 includes: the main pipeline input port air pressure sensor 201, the main pipeline output port air pressure sensor 202, the standby pipeline input port air pressure sensor 203 and the standby pipeline output port air pressure sensor 204 are correspondingly arranged at the input port of the main pipeline 102, the output port of the main pipeline 102, the input port of the standby pipeline 103 and the output port of the standby pipeline 103; the main pipeline input port air pressure sensor 201, the main pipeline output port air pressure sensor 202, the standby pipeline input port air pressure sensor 203 and the standby pipeline output port air pressure sensor 204 respectively collect a gas pressure value at the input port of the main pipeline 102, a gas pressure value at the output port of the main pipeline 102, a gas pressure value at the input port of the standby pipeline 103 and a gas pressure value at the output port of the standby pipeline 103.
In this embodiment, the pressure sensors are disposed at the input port of the main pipeline 102, the output port of the main pipeline 102, the input port of the backup pipeline 103, and the output port of the backup pipeline 103, so as to improve the measurement accuracy, and by comparing the pressure difference between the input port of the main pipeline 102 and the output port of the main pipeline 102 or the pressure difference between the input port of the backup pipeline 103 and the output port of the backup pipeline 103, the pressure regulation situation can be known in real time, and the safety situation of the automatic safety monitoring type gas pressure regulating device can be displayed.
In the present embodiment, the main pipeline input port air pressure sensor 201, the main pipeline output port air pressure sensor 202, the spare pipeline input port air pressure sensor 203, and the spare pipeline output port air pressure sensor 204 may be, but are not limited to, a CY100 type differential pressure gauge, and a Y-100B type pressure gauge.
In the present embodiment, the pressure regulating mechanism 3 includes: a main pipeline voltage regulator 301 and a standby pipeline voltage regulator 302 respectively arranged in the main pipeline 102 and the standby pipeline 103; the main pipeline pressure regulator 301 and the standby pipeline pressure regulator 302 are both electrically connected with the controller; the controller adjusts the gas pressure value in the main pipeline 102 by controlling the main pipeline pressure regulator 301; the controller adjusts the pressure value of the gas in the backup pipeline 103 by controlling the backup pipeline pressure regulator 302.
In this embodiment, the main pipeline voltage regulator 301 and the standby pipeline voltage regulator 302 can implement a voltage regulation function.
In this embodiment, the main pipeline voltage regulator 301 and the standby pipeline voltage regulator 302 may be, but are not limited to, AFV DN80 Class300 voltage regulators.
In the present embodiment, the cutting mechanism 4 includes: a main pipeline safety shut-off valve 401 and a standby pipeline safety shut-off valve 402 which are respectively arranged in the main pipeline 102 and the standby pipeline 103; the main pipeline safety cut-off valve 401 and the standby pipeline safety cut-off valve 402 are electrically connected with the controller; the controller cuts off the gas delivery in the main pipeline 102 by controlling the safety cut-off valve 401 of the main pipeline; the controller cuts off the gas transmission in the standby pipeline 103 by controlling the standby pipeline safety cut-off valve 402.
In this embodiment, the shut-off function is realized by the primary pipe safety shut-off valve 401 and the backup pipe safety shut-off valve 402.
In the embodiment, the primary pipeline safety shut-off valve 401 and the standby pipeline safety shut-off valve 402 can adopt, but are not limited to, safety shut-off valves of A46F-16C DN80/DN100 types.
In this embodiment, the input port and the output port of the main pipeline 102 are respectively provided with a main pipeline air inlet valve 1021 and a main pipeline air outlet valve 1022; the main pipeline air inlet valve 1021 and the main pipeline air outlet valve 1022 are suitable for controlling the on-off of the main pipeline 102.
In this embodiment, the primary duct inlet valve 1021 and the primary duct outlet valve 1022 may each be, but are not limited to, q41f-16p ball valves.
In this embodiment, the input port and the output port of the spare pipe 103 are respectively provided with a spare pipe inlet valve 1031 and a spare pipe outlet valve 1032; the spare pipeline air inlet valve 1031 and the spare pipeline air outlet valve 1032 are suitable for controlling the on-off of the spare pipeline 103.
In the present embodiment, the spare pipe inlet valve 1031 and the spare pipe outlet valve 1032 can be, but are not limited to, q41f-16p ball valves.
In this embodiment, when the main conduit 102 is operating normally, the main conduit inlet valve 1021 is open, the main conduit outlet valve 1022 is open, the backup conduit inlet valve 1031 is closed, and the backup conduit outlet valve 1032 is closed.
In this embodiment, when the main duct 102 cannot work normally, the spare duct 103 works, that is, the main duct air inlet valve 1021 is closed, the main duct air outlet valve 1022 is closed, the spare duct air inlet valve 1031 is opened, and the spare duct air outlet valve 1032 is opened.
Example 2
On the basis of embodiment 1, this embodiment provides a measurement cabinet, which includes: the automatic safety monitoring type gas pressure regulating device comprises an automatic safety monitoring type gas pressure regulating device and a cabinet body used for installing the automatic safety monitoring type gas pressure regulating device.
In this embodiment, the automatic safety monitoring type gas pressure regulating device is suitable for adopting the automatic safety monitoring type gas pressure regulating device provided in embodiment 1.
In the present embodiment, the automatic safety monitoring type gas pressure regulating device has been explained in the above embodiments.
To sum up, the utility model discloses a monitoring mechanism real-time detection gas pipeline in the gas pressure value, carry out automatic pressure regulating by pressure regulating mechanism to timely control shutdown mechanism cuts off the transport when gas pressure value is unusual in gas pipeline, has realized the automatic function to gas transportation safety control in the gas pipeline, has improved gas transportation safety monitoring's ageing nature and reaction rate.
All the components selected in the application are general standard components or components known by those skilled in the art, and the structure and the principle of the components can be known by technical manuals or by routine experiments.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides an automatic change safety monitoring formula gas pressure regulating device which characterized in that includes:
the controller is arranged in the gas pipeline and is electrically connected with the monitoring mechanism, the pressure regulating mechanism and the cutting mechanism; wherein
The monitoring mechanism is suitable for detecting the gas pressure value in the gas pipeline and sending the gas pressure value to the controller, namely
The controller is suitable for controlling the pressure regulating mechanism to regulate the gas pressure value according to the gas pressure value in the gas pipeline; and
when the pressure value of the fuel gas in the fuel gas pipeline exceeds a set value, the controller controls the cutting mechanism to cut off the fuel gas conveying in the fuel gas pipeline.
2. The automatic safety monitoring type gas pressure regulating device according to claim 1,
the gas pipeline includes: the system comprises an inlet intermediate pipeline, a main pipeline, a standby pipeline and an outlet intermediate pipeline;
one end of the inlet intermediate pipeline is connected with the input port of the main pipeline, the other end of the inlet intermediate pipeline is connected with the input port of the standby pipeline, one end of the outlet intermediate pipeline is connected with the output port of the main pipeline, and the other end of the outlet intermediate pipeline is connected with the output port of the standby pipeline; and
the inlet middle pipeline is provided with a gas inlet, and the outlet middle pipeline is provided with a gas outlet.
3. The automatic safety monitoring type gas pressure regulating device according to claim 2,
the monitoring mechanism includes: the main pipeline input port air pressure sensor, the main pipeline output port air pressure sensor, the standby pipeline input port air pressure sensor and the standby pipeline output port air pressure sensor are correspondingly arranged at the input port of the main pipeline, the output port of the main pipeline, the input port of the standby pipeline and the output port of the standby pipeline;
the main pipeline input port air pressure sensor, the main pipeline output port air pressure sensor, the standby pipeline input port air pressure sensor and the standby pipeline output port air pressure sensor respectively acquire a gas pressure value at the main pipeline input port, a gas pressure value at the main pipeline output port, a gas pressure value at the standby pipeline input port and a gas pressure value at the standby pipeline output port.
4. The automatic safety monitoring type gas pressure regulating device according to claim 2,
the pressure regulating mechanism includes: the main pipeline pressure regulator and the standby pipeline pressure regulator are respectively arranged in the main pipeline and the standby pipeline;
the main pipeline pressure regulator and the standby pipeline pressure regulator are electrically connected with the controller;
the controller adjusts the pressure value of the fuel gas in the main pipeline by controlling the main pipeline pressure regulator;
the controller adjusts the gas pressure value in the standby pipeline by controlling the standby pipeline pressure regulator.
5. The automatic safety monitoring type gas pressure regulating device according to claim 2,
the cutting mechanism includes: the safety cut-off valve for the main pipeline and the safety cut-off valve for the standby pipeline are respectively arranged in the main pipeline and the standby pipeline;
the main pipeline safety cut-off valve and the standby pipeline safety cut-off valve are electrically connected with the controller;
the controller cuts off the gas delivery in the main pipeline by controlling the safety cut-off valve of the main pipeline;
the controller cuts off the gas delivery in the standby pipeline by controlling the safety cut-off valve of the standby pipeline.
6. The automatic safety monitoring type gas pressure regulating device according to claim 2,
the input port and the output port of the main pipeline are respectively provided with a main pipeline air inlet valve and a main pipeline air outlet valve;
the main pipeline air inlet valve and the main pipeline air outlet valve are suitable for controlling the on-off of the main pipeline.
7. The automatic safety monitoring type gas pressure regulating device according to claim 2,
the input port and the output port of the standby pipeline are respectively provided with a standby pipeline air inlet valve and a standby pipeline air outlet valve;
and the standby pipeline air inlet valve and the standby pipeline air outlet valve are suitable for controlling the on-off of the standby pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020530884.2U CN212338933U (en) | 2020-04-10 | 2020-04-10 | Automatic change safety monitoring formula gas pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020530884.2U CN212338933U (en) | 2020-04-10 | 2020-04-10 | Automatic change safety monitoring formula gas pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212338933U true CN212338933U (en) | 2021-01-12 |
Family
ID=74069688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020530884.2U Active CN212338933U (en) | 2020-04-10 | 2020-04-10 | Automatic change safety monitoring formula gas pressure regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212338933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151734A (en) * | 2021-11-30 | 2022-03-08 | 诸暨市天然气有限公司 | Remote management method for natural gas transportation pipeline |
-
2020
- 2020-04-10 CN CN202020530884.2U patent/CN212338933U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151734A (en) * | 2021-11-30 | 2022-03-08 | 诸暨市天然气有限公司 | Remote management method for natural gas transportation pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100407083C (en) | Flow measurement module and method | |
| CN109340577B (en) | Self-powered intelligent voltage regulating system, voltage regulating method thereof and pipeline network communication system | |
| CN103676647A (en) | Sewage aeration control device | |
| CN204922506U (en) | Intelligence station accuse system of gas station | |
| CN213686236U (en) | A divide defeated controlling means for natural gas | |
| CN212338933U (en) | Automatic change safety monitoring formula gas pressure regulating device | |
| CN209278854U (en) | Self-powered intelligent pressure regulating system and piping network communication system | |
| EP3510450A1 (en) | Emergency shutdown system for dynamic and high integrity operations | |
| CN212360771U (en) | Improved gas sealing device | |
| CN109885107B (en) | Method and device for correcting flow coefficient of control valve | |
| CN214582796U (en) | Nitrogen flow control and dustproof device for rocket launching platform | |
| CN217153807U (en) | Centralized gas supply system | |
| CN211902378U (en) | Gas pressure regulating system with automatic pressure relief function | |
| CN103161976B (en) | Gas pressure regulating valve | |
| CN215174201U (en) | Fluid control device | |
| CN203532944U (en) | Pressure regulator valve position transmitting device | |
| CN211450365U (en) | Steam transmission system | |
| CN113624283A (en) | Automatic detection system for pipeline flow pressure and use method thereof | |
| CN201748154U (en) | Large gasifier liquid-level control system | |
| CN203066168U (en) | Numerical control water supply device for testing gas water heater | |
| CN212156642U (en) | Intelligent adjusting device and adjusting system for pressure regulating valve | |
| CN217329423U (en) | Steam delivery device | |
| CN221648224U (en) | All-pneumatic control constant pressure discharge system | |
| CN221238927U (en) | Gas distribution environment calibration system | |
| CN220418766U (en) | Air tightness test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic safety monitoring gas pressure regulating device Effective date of registration: 20210812 Granted publication date: 20210112 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd. Pledgor: CHANGZHOU LUCHENG GAS EQUIPMENT Co.,Ltd. Registration number: Y2021980007577 |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 199, Fumin Road, Lucheng Town, Wujin economic development zone, Changzhou City, Jiangsu Province Patentee after: Changzhou Lucheng Gas Equipment Co.,Ltd. Address before: No. 199, Fumin Road, Lucheng Town, Wujin economic development zone, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU LUCHENG GAS EQUIPMENT Co.,Ltd. |