CN202012742U - Compressed natural gas multi-stage temperature and pressure adjusting device - Google Patents
Compressed natural gas multi-stage temperature and pressure adjusting device Download PDFInfo
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- CN202012742U CN202012742U CN2011200128350U CN201120012835U CN202012742U CN 202012742 U CN202012742 U CN 202012742U CN 2011200128350 U CN2011200128350 U CN 2011200128350U CN 201120012835 U CN201120012835 U CN 201120012835U CN 202012742 U CN202012742 U CN 202012742U
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Abstract
The utility model provides a compressed natural gas multi-stage temperature and pressure adjusting device. The device includes a plurality of main pressure adjusting systems connected in parallel, and a plurality of bypass pressure adjusting systems connected in parallel. Gas inlet pipelines of the main pressure adjusting systems and the bypass pressure adjusting systems are connected with external gas discharge pillars; gas outlet pipelines of the main pressure adjusting systems and the bypass pressure adjusting systems are connected with a natural gas supply pipe net; each main pressure adjusting system includes a plurality of stages of temperature and pressure adjusting assembles connected in series; and each temperature and pressure adjusting assembly includes a temperature adjusting device and a pressure adjusting device connected with the temperature adjusting device through a pipeline. The compressed natural gas multi-stage temperature and pressure adjusting device is provided with the plurality of stages of temperature and pressure adjusting assembles connected in series, the number of the temperature and pressure adjusting assembles can be set according to the hardware requirements of the temperature adjusting devices and the pressure adjusting devices, the hardware requirements to the device are lowered, the equipment cost is lowered, meanwhile the plurality of stages of temperature and pressure adjusting assembles can ensure that the temperature and the pressure of natural gas subjected to temperature and pressure adjustment can meet the transmission requirements of the natural gas supply pipe net, and the use safety of users is ensured.
Description
Technical field
The utility model relates to a kind of regulator that is used for compressed natural gas air feed field, is specifically related to a kind of multistage temperature-adjustment pressure-adjustment device of compressed natural gas.
Background technique
At present, the gas line network of rock gas does not cover All Ranges as yet, the cities and towns, suburb of surrounding city and population from other places some non-pipe network areas such as concentration zones of living for example, need to adopt the technology of compressed natural gas, rock gas compression back is transported to the natural gas supply station in non-pipe network zone by extraordinary transport vehicle, again rock gas is carried out reduced pressure treatment, the air pressure of rock gas and temperature are reached be transferred to each user after the coincidence tube network mark standard and use.
The Compressed natural gas pressure regulator device of prior art only is provided with a heating equipment usually or is not provided with heating equipment.Its shortcoming is; be not provided with the Compressed natural gas pressure regulator device of heating equipment; it is after carrying out step-down to compressed natural gas; the temperature meeting of rock gas reduces owing to pressure and volume increases the temperature decline that makes rock gas; usually can cause through the temperature of the rock gas of Compressed natural gas pressure regulator device step-down low excessively; can not reach in the general natural gas supply pipe network; the temperature requirement of rock gas; perhaps can't reach civilian and temperature standard industrial natural gas, the transmission and the use of rock gas caused danger.
And only be provided with the Compressed natural gas pressure regulator device of a heating equipment, and in using usually, adopt heating equipment that compressed natural gas is heated earlier, by regulator rock gas is carried out step-down again.In real work, easily occur in rock gas carried out multistage step-down after, owing to be incubated fault between variation of ambient temperature, device, because the fault of regulator, perhaps be subjected to the heating equipment hardware constraints and reason such as can't a temperature adjustment finish, cause natural gas temperature low excessively, and do not meet the transportation standard and the use standard of natural gas supply pipe network.
The model utility content
The utility model provides a kind of multistage temperature-adjustment pressure-adjustment device of compressed natural gas, and compressed natural gas is carried out multistage temperature adjustment, guarantees that the rock gas that pressure regulation is finished can remain in set point of temperature, has reduced hardware requirement simultaneously, improves pressure regulation temperature adjustment safety.
For achieving the above object, the utility model provides a kind of multistage temperature-adjustment pressure-adjustment device of compressed natural gas, this device comprises some the parallel main pressure regulator systems that connect, and some the parallel bypass voltage-regulating systems that connect, the suction port pipeline of this main pressure regulator system and bypass voltage-regulating system is connected external discharge column; The air outlet pipeline of this main pressure regulator system and bypass voltage-regulating system is connected the natural gas supply pipe network;
It is characterized in that above-mentioned main pressure regulator system comprises the temperature-adjustment pressure-adjustment assembly that some levels are connected in series; This temperature-adjustment pressure-adjustment assembly comprises temperature regulator, and the regulator that is connected with this temperature regulator pipeline.
Above-mentioned bypass voltage-regulating system comprises pipeline and is connected bypass regulator between described discharge column and the natural gas supply pipe network.
Also be provided with pressure transducer, main road ball valve, filter and emergency cut-off valve on the pipeline between above-mentioned discharge column and the temperature-adjustment pressure-adjustment assembly successively.
The place, air outlet of above-mentioned regulator also is provided with safety valve.
Above-mentioned safety valve also pipeline is connected with steam outlet pipe; The place, air outlet of this steam outlet pipe is arranged on high aerial.
Also be provided with release valve ball between above-mentioned bypass regulator and the discharge column.
The place, air outlet of the regulator of above-mentioned temperature-adjustment pressure-adjustment assemblies at different levels also is provided with pressure gauge and thermometer; The suction port place of above-mentioned bypass regulator also is provided with pressure gauge.
This device also comprises supervisory device; This supervisory device is the pressure gauge and the thermometer at circuit connection temperature regulator, emergency cut-off valve, place, regulator air outlet respectively, and the pressure gauge at bypass regulator suction port place.
This device also includes the air outlet that is arranged on main pressure regulator system and bypass voltage-regulating system and the odorization machine between the natural gas supply pipe network.
Compressed natural gas is conveyed into this device by discharge column.Pressure transducer detects the air pressure of the compressed natural gas of this device of input in real time.
Regulation air pressure when the pressure Overpressure of a safety valve sensor settings of compressed natural gas.Compressed natural gas enters the main pressure regulator system.Transfer to multistage temperature-adjustment pressure-adjustment assembly by pretreated compressed natural gas by pipeline, through the multistage temperature-adjustment pressure-adjustment assembly of series connection, compressed natural gas is carried out temperature-adjustment pressure-adjustment handle successively.Temperature regulator is heated to rock gas, makes the compressed natural gas temperature be heated to set point of temperature, is transported to regulator, and regulator carries out step-down to compressed natural gas.Supervisory device is monitored in real time to rock gas air pressure and temperature simultaneously.After the pressure regulation, the rock gas transmission is through being provided with the pipeline of safety valve.
If through the restriction air pressure of the rock gas air pressure after the pressure regulation above safety valve, then the safety valve switch is opened automatically, discharges an amount of rock gas to the high-altitude.If normal through the rock gas air pressure after the pressure regulation, then safety valve keeps sealing, does not discharge rock gas.Transfer to the air outlet of main pressure regulator system through the rock gas of safety valve.
When the air pressure of compressed natural gas is lower than the regulation air pressure that pressure transducer is set, compressed natural gas enters the pressure regulation of bypass voltage-regulating system.Bypass pressure regulation assembly carries out the air pressure adjustment to compressed natural gas, and exports the air outlet of bypass voltage-regulating system to.
Odorization machine output in real time adds odour, in the air outlet and the pipeline between the natural gas supply pipe network by pipeline input main pressure regulator system and bypass voltage-regulating system.It is mixed with the rock gas through the pressure regulation temperature adjustment to add odour.Finally, export the natural gas supply pipe network through the rock gas that adds smelly, temperature adjustment and pressure regulation to by pipeline.
The multistage temperature-adjustment pressure-adjustment device of the utility model compressed natural gas is compared with prior art, its advantage is, the utility model is provided with the temperature-adjustment pressure-adjustment assembly that some levels are connected in series, be provided with temperature regulator and regulator in this temperature-adjustment pressure-adjustment assembly, can be according to the hardware requirement of temperature regulator and regulator, the number of temperature-adjustment pressure-adjustment assembly is set, reduction is to the hardware requirement of device, reduce equipment cost, multistage temperature-adjustment pressure-adjustment assembly can guarantee the rock gas through temperature adjustment and pressure regulation simultaneously, its temperature and air pressure standard meet natural gas supply pipe network transmission requirement, and the assurance user's is safe in utilization;
The utility model is provided with the bypass voltage-regulating system, can be too small at the air pressure in the extraordinary transport vehicle compressed natural gas gas tank, and when causing greatly the flow air feed, open the bypass voltage-regulating system, the rock gas less to tank car air pressure carries out pressure regulation, rock gas in the extraordinary transport vehicle compressed natural gas of the abundant emptying gas tank, rock gas in the gas tank is fully used, can be and the place of origin that causes a certain amount of rock gas that is transported to supply station is transported back again compressed natural gas because of emptying not, make full use of the resource of communications and transportation, also improved the efficient of rock gas pressure regulation and supply simultaneously;
The emergency cut-off valve that the utility model is provided with supervisory device and is connected with this supervisory device circuit, when having fault to take place in the device, then supervisory device control emergency cut-off valve is closed, with the pipeline cut-out of this device, the assurance device trouble free service guarantees staff's life safety simultaneously;
The utility model is provided with some safety valves; this safety valve suitably is adjusted to specific cracking pressure; when the air pressure in the pipeline after the pressure regulation is too high; can emit an amount of rock gas; being lower than when pressure after the cracking pressure of safety valve is that safety valve cuts out automatically; safety valve guarantees in the pipeline that rock gas air pressure can be not too high and low-level device is caused damage, and each parts in the protective system prolong the operating life of high pressure pressure-regulating box system.
Description of drawings
Fig. 1 is the general structure schematic representation of the multistage temperature-adjustment pressure-adjustment device of the utility model compressed natural gas.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
The utility model has illustrated a kind of multistage temperature-adjustment pressure-adjustment device of compressed natural gas, and the multistage temperature-adjustment pressure-adjustment device of this compressed natural gas is arranged in the natural gas supply station of various places.All be provided with any a plurality of discharge column 3 in natural gas supply station, various places, these several discharge columns 3 can be connected with extraordinary transport vehicle compressed natural gas gas tank, can satisfy some extraordinary transport vehicles simultaneously and unload gas.
As shown in Figure 1, the multistage temperature-adjustment pressure-adjustment device of compressed natural gas comprises two parallel identical main pressure regulator systems 1 that connect, and a bypass voltage-regulating system 2.The suction port of these two main pressure regulator systems 1 and bypass voltage-regulating system 2 all with supply station in each discharge column 3 be connected by pipeline, all rock gas can be inputed in the multistage temperature-adjustment pressure-adjustment device by any discharge column 3, each pipeline in the multistage temperature-adjustment pressure-adjustment device adopts and is applicable to that the Fine Steel Casting iron pipe of high pressure makes, and all the other Steel Support and metal partss that are used to support multistage temperature-adjustment pressure-adjustment device all brush two at two ends of grey rust proof paint.Simultaneously, the air outlet of two main pressure regulator systems 1 and bypass voltage-regulating system 2 all is connected natural gas supply pipe network in the supply station by pipeline.
Main pressure regulator system 1 comprises the temperature-adjustment pressure-adjustment assembly 11 that some levels are connected in series, and each temperature-adjustment pressure-adjustment assembly 11 includes temperature regulator 111, and the regulator 112 that is connected with these temperature regulator 111 pipelines.In the present embodiment, be provided with two temperature-adjustment pressure-adjustment assemblies 11, the suction port pipeline of the temperature regulator 111 of first temperature-adjustment pressure-adjustment assembly 11 connects the suction port of main pressure regulator system 1, and the suction port pipeline of the regulator 112 of first temperature-adjustment pressure-adjustment assembly 11 connects the air outlet of the temperature regulator 111 of first temperature-adjustment pressure-adjustment assembly 11.The suction port pipeline of the temperature regulator 111 of second temperature-adjustment pressure-adjustment assembly 11 connects the air outlet of the regulator 112 of first temperature-adjustment pressure-adjustment assembly 11, the suction port pipeline of the regulator 112 of second temperature-adjustment pressure-adjustment assembly 11 connects the air outlet of the temperature regulator 111 of second temperature-adjustment pressure-adjustment assembly 11, the air outlet of the regulator 112 of second temperature-adjustment pressure-adjustment assembly 11 connects the air outlet of main pressure regulator system 1 by pipeline, and leads to the natural gas supply pipe network.
On the pipeline between discharge column 3 and the temperature-adjustment pressure-adjustment assembly 11,, also be provided with pressure transducer 17, main road ball valve 13, filter 14 and emergency cut-off valve 15 successively from discharge column 3.Wherein main road ball valve 13 adopts manual ball valve.Pressure transducer 17 is used to detect the air pressure of the compressed natural gas of the multistage temperature-adjustment pressure-adjustment device that enters compressed natural gas, and it is provided with a regulation air pressure.Emergency cut-off valve 15 adopts pneumatic emergency to cut off ball valve, and its circuit connects the output terminal of supervisory device 4, when breaking down in this device, closes emergency cut-off valve 15 in real time, guarantees the safety of interior each parts of multistage temperature-adjustment pressure-adjustment device of compressed natural gas.
Temperature regulator 111 is connected with supervisory device 4 circuit, this temperature regulator 111 adopts an electrothermal water bath type heat booster, wherein be provided with coil pipe, coil pipe is arranged in the casing, be full of water in this casing, add hot water after the energising of electrothermal water bath type heat booster, the heating-up temperature of hot water is conducted heat to the rock gas in the coil pipe by water by supervisory device 4 controls.Temperature regulator 111 is provided with thermometer simultaneously, and this thermometer is connected with the inlet circuit of supervisory device 4, and whether the temperature of monitoring temperature regulator 111 heating in real time reaches required requirement.
The place, air outlet of regulator 112 is provided with two pressure gauges, and one of them pressure gauge all detects through the rock gas air pressure behind the regulator 112 whether reach requirement with supervisory device 4 at the scene in real time by the input end of circuit connection supervisory device 4.Place, air outlet at regulator 112 also is provided with a thermometer, and this thermometer circuit connects the input end of supervisory device 4, and whether monitoring in real time reaches requirement through the temperature of the rock gas of temperature-adjustment pressure-adjustment assembly 11 temperature-adjustment pressure-adjustments.
Place, air outlet at regulator 112 also is provided with a safety valve 16, and safety valve 16 all pipeline is connected with steam outlet pipe, and the place, air outlet of this steam outlet pipe is arranged on high aerial.This safety valve 16 is provided with a restriction air pressure, if rock gas air pressure is too high when surpassing this restriction air pressure, the pressure spring that rock gas can be washed safety valve 16 automatically open is vented to the high-altitude, air pressure is replied normal range (NR) after getting rid of a certain amount of rock gas, rock gas can't be washed safety valve 16 open, and safety valve 16 cuts out.If the air pressure of rock gas is lower than restriction air pressure, then safety valve 16 is in closed condition, does not discharge rock gas.
Bypass voltage-regulating system 2 comprises pipeline and is connected bypass pressure regulation assembly 21 between discharge column 3 and the natural gas supply pipe network.Before bypass pressure regulation assembly 21, be provided with release valve ball 22, filter and two pressure gauges successively from discharge column 3, wherein release valve ball 22 adopts manual ball valve, and a pressure gauge connects the input end of supervisory device 4 by circuit.Cross lowly can not be smoothly by main pressure regulator system 1 time when the air pressure of compressed natural gas, compressed natural gas is imported bypass pressure regulation assembly 21, carry out step-down by 21 pairs of compressed natural gass of bypass pressure regulation assembly.
This device also includes an odorization machine 5, and the delivery outlet pipeline of this odorization machine 5 connects main pressure regulator system 1 and the air outlet of bypass voltage-regulating system 2 and the pipeline between the natural gas supply pipe network.Odorization machine 5 produces and adds odour, input main pressure regulator system 1 and the air outlet of bypass voltage-regulating system 2 and the pipeline between the natural gas supply pipe network, it is mixed with the rock gas through the pressure regulation temperature adjustment to add odour, make the rock gas of input natural gas supply pipe network meet its odor standards, guarantee that the user is safe in utilization.
Below specify the operation workflow of the multistage temperature-adjustment pressure-adjustment device of the utility model compressed natural gas:
The gas tank of some extraordinary transport vehicles connects with the discharge column 3 of corresponding quantity by high pressure hose, compressed natural gas is conveyed into the multistage temperature-adjustment pressure-adjustment device of compressed natural gas by discharge column 3.Pressure transducer 17 detects the air pressure of the compressed natural gas of the multistage temperature-adjustment pressure-adjustment device of importing compressed natural gas in real time.
If the regulation air pressure that the pressure Overpressure of a safety valve sensor of compressed natural gas 17 is set.Main road ball valve 13 is opened, and close release valve ball 22, compressed natural gas is evenly distributed two the main pressure regulator systems 1 that enter, these two main pressure regulator system 1 the using and the reserved, perhaps two main pressure regulator system 1 while pressure regulation work can only specifically be selected with the 1 pressure regulation work of a main pressure regulator system according to the traffic requirement of compressed natural gas of input.
14 pairs of compressed natural gass of filter filter, and iron filings in the removal rock gas and wet goods swim in the gaseous impurity in the rock gas.Supervisory device 4 is according to the information control emergency cut-off valve 15 of the compressed natural gas that is received by each pressure gauge and barometer, if break down in the device, 4 of control system are sent signal, control emergency cut-off valve 15 is closed gas circuit, prevents that too high or too low air pressure from causing that the parts of subordinate are damaged in the system.
Transfer to multistage temperature-adjustment pressure-adjustment assembly 11 by pretreated compressed natural gas by pipeline, through the multistage temperature-adjustment pressure-adjustment assembly 11 of series connection, compressed natural gas is carried out temperature-adjustment pressure-adjustment handle successively.
111 pairs of rock gases of temperature regulator in the temperature-adjustment pressure-adjustment assembly 11 are heated, and make the compressed natural gas temperature be heated to set point of temperature, are transported to regulator 112.
112 pairs of compressed natural gass of regulator carry out step-down, two pressure gauges and a thermometer at place, regulator 112 air outlets, respectively rock gas air pressure after the pressure regulation and temperature are shown at the scene with on the supervisory device 4, rock gas air pressure and temperature are monitored in real time.After 4 pairs of rock gases of supervisory device carried out pressure regulation, rock gas was also through being arranged on the monitoring of the safety valve of locating regulator 112 air outlets 16.
If surpass the restriction air pressure of safety valve 16 through the rock gas air pressure after the pressure regulation, then safety valve 16 switches are opened automatically, discharge an amount of rock gas and be discharged into the high-altitude by a steam outlet pipe by pipeline, be lower than the restriction air pressure of safety valve 16 after rock gas air pressure is through discharging, safety valve 16 switches cut out automatically.If normal through the rock gas air pressure after regulator 112 pressure regulation, then safety valve 16 keeps sealing, does not discharge rock gas.Transfer to the air outlet of main pressure regulator system 1 through the rock gas of safety valve 16 monitoring.
When beginning to unload gas, the air pressure of compressed natural gas just is lower than under the situation of the regulation air pressure that pressure transducer 17 sets, or in unloading the gas process, compressed natural gas is along with tolerance reduces, and air pressure descends under the situation of the regulation air pressure that is lower than pressure transducer 17 settings.Release valve ball 22 is opened, and closes main road ball valve 13, and compressed natural gas enters 2 pressure regulation of bypass voltage-regulating system.Carry out the monitoring in real time of preceding two pressure gauges of pressure regulation and enter the air pressure of the rock gas of bypass voltage-regulating system 2, and transfer to supervisory device 4 demonstrations.Enter 21 pairs of compressed natural gass of bypass voltage-regulating system 2 back bypass pressure regulation assemblies and carry out the air pressure adjustment, and export the air outlet of bypass voltage-regulating system 2 to.
Odorization machine 5 produces in real time and adds odour by pipeline simultaneously, in the air outlet and the pipeline between the natural gas supply pipe network of input main pressure regulator system 1 and bypass voltage-regulating system 2.It is mixed with the rock gas through the pressure regulation temperature adjustment to add odour, makes the rock gas of input natural gas supply pipe network meet its odor standards.Finally, export the natural gas supply pipe network through the rock gas that adds smelly, temperature adjustment and pressure regulation to by pipeline.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (9)
1. the multistage temperature-adjustment pressure-adjustment device of a compressed natural gas, this device comprises some the parallel main pressure regulator systems (1) that connect, and some the parallel bypass voltage-regulating systems (2) that connect, the suction port pipeline of described main pressure regulator system (1) and bypass voltage-regulating system (2) is connected external discharge column (3); Described main pressure regulator system (1) is connected the natural gas supply pipe network with the air outlet pipeline of bypass voltage-regulating system (2);
It is characterized in that described main pressure regulator system (1) comprises the temperature-adjustment pressure-adjustment assembly (11) that some levels are connected in series; Described temperature-adjustment pressure-adjustment assembly (11) comprises temperature regulator (111), and the regulator (112) that is connected with described temperature regulator (111) pipeline.
2. the multistage temperature-adjustment pressure-adjustment device of compressed natural gas as claimed in claim 1 is characterized in that, described bypass voltage-regulating system (2) comprises pipeline and is connected bypass regulator (21) between described discharge column (3) and the natural gas supply pipe network.
3. the multistage temperature-adjustment pressure-adjustment device of compressed natural gas as claimed in claim 1, it is characterized in that, also be provided with pressure transducer (17), main road ball valve (13), filter (14) and emergency cut-off valve (15) on the pipeline between described discharge column (3) and the temperature-adjustment pressure-adjustment assembly (11) successively.
4. the multistage temperature-adjustment pressure-adjustment device of compressed natural gas as claimed in claim 1 is characterized in that, the place, air outlet of described regulator (112) is provided with and also is provided with safety valve (16).
5. the multistage temperature-adjustment pressure-adjustment device of compressed natural gas as claimed in claim 4 is characterized in that, described safety valve (16) pipeline is connected with steam outlet pipe; The place, air outlet of described steam outlet pipe is arranged on high aerial.
6. the multistage temperature-adjustment pressure-adjustment device of compressed natural gas as claimed in claim 2 is characterized in that, also is provided with release valve ball (22) between described bypass regulator (21) and the discharge column (3).
7. the multistage temperature-adjustment pressure-adjustment device of compressed natural gas as claimed in claim 2 is characterized in that, the place, air outlet of the regulator (112) of described temperature-adjustment pressure-adjustment assemblies at different levels (11) also is provided with pressure gauge and thermometer; The suction port place of described bypass regulator (21) also is provided with pressure gauge.
8. the multistage temperature-adjustment pressure-adjustment device of compressed natural gas as claimed in claim 7 is characterized in that, this device also comprises supervisory device (4); Described supervisory device (4) circuit respectively connects the pressure gauge and the thermometer at described temperature regulator (111), emergency cut-off valve (15), place, regulator (112) air outlet and the pressure gauge at bypass regulator (21) suction port place.
9. the multistage temperature-adjustment pressure-adjustment device of compressed natural gas as claimed in claim 1, it is characterized in that this device also includes the air outlet that is arranged on described main pressure regulator system (1) and bypass voltage-regulating system (2) and the odorization machine (5) between the natural gas supply pipe network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200128350U CN202012742U (en) | 2011-01-17 | 2011-01-17 | Compressed natural gas multi-stage temperature and pressure adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200128350U CN202012742U (en) | 2011-01-17 | 2011-01-17 | Compressed natural gas multi-stage temperature and pressure adjusting device |
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| Publication Number | Publication Date |
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| CN202012742U true CN202012742U (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200128350U Expired - Lifetime CN202012742U (en) | 2011-01-17 | 2011-01-17 | Compressed natural gas multi-stage temperature and pressure adjusting device |
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| CN (1) | CN202012742U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174936A (en) * | 2011-12-20 | 2013-06-26 | 大阳日酸株式会社 | Apparatus and method for supplying liquefied gas |
| CN103383046A (en) * | 2012-05-04 | 2013-11-06 | 中国石油天然气股份有限公司 | Heating method and device of pilot type pressure regulating valve |
| CN103423592A (en) * | 2013-09-09 | 2013-12-04 | 济钢集团有限公司 | Industrial waste heat steam pipe network pressure stabilizing device and method |
| CN103629530A (en) * | 2013-12-07 | 2014-03-12 | 山东新贵科技股份有限公司 | Microcontrolled automatic carbon dioxide temperature and pressure regulation system |
| CN104406053A (en) * | 2014-08-18 | 2015-03-11 | 徐丽华 | Oil gas temperature and pressure adjustment device |
| CN105822902A (en) * | 2016-06-01 | 2016-08-03 | 乐山市山鹰模具有限责任公司 | CNG gas device |
| CN106481983A (en) * | 2016-11-10 | 2017-03-08 | 乐山市山鹰模具有限责任公司 | Urban gate station Gas Pressure Regulating Equipment |
| CN107355679A (en) * | 2017-07-31 | 2017-11-17 | 特瑞斯能源装备股份有限公司 | A kind of integrated natural gas line pressure testing feeder and its temprature control method |
| CN108167647A (en) * | 2018-01-22 | 2018-06-15 | 北京东方通捷燃气有限责任公司 | A kind of natural gas is stood to a high-profile |
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2011
- 2011-01-17 CN CN2011200128350U patent/CN202012742U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174936A (en) * | 2011-12-20 | 2013-06-26 | 大阳日酸株式会社 | Apparatus and method for supplying liquefied gas |
| CN103174936B (en) * | 2011-12-20 | 2016-08-24 | 大阳日酸株式会社 | Liquefied gas feedway and method |
| CN103383046A (en) * | 2012-05-04 | 2013-11-06 | 中国石油天然气股份有限公司 | Heating method and device of pilot type pressure regulating valve |
| CN103423592A (en) * | 2013-09-09 | 2013-12-04 | 济钢集团有限公司 | Industrial waste heat steam pipe network pressure stabilizing device and method |
| CN103629530A (en) * | 2013-12-07 | 2014-03-12 | 山东新贵科技股份有限公司 | Microcontrolled automatic carbon dioxide temperature and pressure regulation system |
| CN104406053A (en) * | 2014-08-18 | 2015-03-11 | 徐丽华 | Oil gas temperature and pressure adjustment device |
| CN104406053B (en) * | 2014-08-18 | 2017-09-29 | 徐丽华 | Oil gas temperature-adjustment pressure-adjustment equipment |
| CN105822902A (en) * | 2016-06-01 | 2016-08-03 | 乐山市山鹰模具有限责任公司 | CNG gas device |
| CN106481983A (en) * | 2016-11-10 | 2017-03-08 | 乐山市山鹰模具有限责任公司 | Urban gate station Gas Pressure Regulating Equipment |
| CN106481983B (en) * | 2016-11-10 | 2019-03-08 | 乐山市山鹰模具有限责任公司 | Urban gate station Gas Pressure Regulating Equipment |
| CN107355679A (en) * | 2017-07-31 | 2017-11-17 | 特瑞斯能源装备股份有限公司 | A kind of integrated natural gas line pressure testing feeder and its temprature control method |
| CN108167647A (en) * | 2018-01-22 | 2018-06-15 | 北京东方通捷燃气有限责任公司 | A kind of natural gas is stood to a high-profile |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111019 |