CN203500850U - Movable type storage, transportation and pressure reduction device for compressed natural gas - Google Patents
Movable type storage, transportation and pressure reduction device for compressed natural gas Download PDFInfo
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- CN203500850U CN203500850U CN201320566802.XU CN201320566802U CN203500850U CN 203500850 U CN203500850 U CN 203500850U CN 201320566802 U CN201320566802 U CN 201320566802U CN 203500850 U CN203500850 U CN 203500850U
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- natural gas
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Abstract
The utility model discloses a movable type storage, transportation and pressure reduction device for compressed natural gas. The movable type storage, transportation and pressure reduction device comprises a high-pressure natural gas cylinder group, a pressure regulating device and a combustion gas generating group. The high-pressure natural gas cylinder group, the pressure regulating device and the combustion gas generating group are connected via a pipeline. The movable type storage, transportation and pressure reduction device comprises a box body which is a car-mounted standard container. The bottom of the box body is provided with a carriage. The high-pressure natural gas cylinder group, the pressure regulating device and the combustion gas generating group are fixed in the container. The pipeline comprises multiple gas inlets and gas outlets. The pressure regulating device comprises a first-level pressure regulator, a second-level pressure regulator, a third-level pressure regulator, a central control cabinet and a central meter panel. Each level pressure regulator comprises a high-pressure end gas inlet connecter and a low-pressure end gas outlet connecter. The movable type storage, transportation and pressure reduction device for the compressed natural gas has following beneficial effects: electricity distribution and generation, a gas source, heat tracing, pressure reduction, metering and control are integral as a whole; multi-level pressure reduction can be achieved; on the condition that natural gas pipe network is unable to be connected or a tank car does not timely convey the gas source, the movable type storage, transportation and pressure reduction device can also be normally used; and compared with a fixed type pressure reduction device for compressed natural gas, the movable type storage, transportation and pressure reduction device is small in size and is movable.
Description
Technical field
The utility model relates to a kind of natural gas facility, relates in particular to a kind of accumulating and pressure regulating equipment of compressed natural gas.
Background technique
At present, along with economic growth and the adjustment of energy consumption structure, China's natural gas consumption figure and supply all present the situation of rapid growth year by year, but gas ductwork and user still exist the inharmonic problem of development.The rock gas that mathematical model and each dispersion user are used generally through door station, voltage regulating station supplies with user and uses, once because gas supply flow reduces, growth or the natural gas line conveying that can not adapt to gas consumption have an accident under operating mode, and can not guarantee normal air feed, to gas user, bring stopping production and economic loss, thereby affected the normal work of gas user.In addition, existing pressure regulating equipment is to adopt stationary structure substantially, once the visual plants such as Qi Zhanhuo voltage regulating station under accident conditions or important place need, in the situations such as interim air feed, can not meet user's use.
Model utility content
For above-mentioned prior art, the utility model provides a kind of Mobile type compressed natural gas accumulating and pressure regulating equipment, source of the gas, companion heat, decompression, metering, integrates and is transported to electricity and control.Except realizing multi-step pressure reduction, also carry gas cylinder group source of the gas and power transmission and distribution device, also can normally use cannot connect the in the situation that gas ductwork or tank car transportation source of the gas failing to arrive in time.This equipment has the advantages such as volume is little, removable than stationary gas pressure regulating equipment.
In order to solve the problems of the technologies described above, the technological scheme that the accumulating of the utility model removable compressed natural gas and pressure regulating equipment are achieved is: this equipment includes high-pressure natural gas gas cylinder group, regulator and the fuel gas generation unit that pipeline connects, it is characterized in that, also comprise casing, described casing is vehicle carried type standard container, the bottom of described casing is provided with planker, and described high-pressure natural gas gas cylinder group, regulator and fuel gas generation unit are fixed in described casing; Described pipeline comprises suction port and air outlet, compresses into gas port and high pressure admission mouth during described suction port comprises, described air outlet comprises low pressure air outlet, middle extrusion gas port and high pressure air outlet; Described suction port and place, air outlet are provided with control valve respectively; From described high pressure admission mouth, be connected with air inlet emergency shutoff device, filtrating equipment, heating device and regulator in turn; Described heating device is connected with emptying safety valve, and described heating device adopts multiple stage water jacket heat exchanger, between multiple stage water jacket heat exchanger, is provided with throttle valve; Described regulator comprises one-level pressure governor, second voltage regulation device, three grades of pressure governors, central control cabinet and center instrument panels, and the interface of giving vent to anger of each in regulator is connected with steam line by FERRULETYPE interface respectively; Between described one-level pressure governor, second voltage regulation device, three grades of pressure governors and corresponding connection outlet pipeline, Safety relief valve is set respectively; In described, compress into gas port and be connected with emergency shutoff device, be then connected to low pressure air outlet; The low pressure of the described three grades of pressure governors interface of giving vent to anger is connected to low pressure air outlet; Between described emergency shutoff device and low pressure air outlet, be provided with respectively pressure transducer between described three grades of pressure governors and described low pressure air outlet; In described casing, flammable gas alarm is set; Be connected with measuring apparatus with central control cabinet and center instrument panel, described measuring apparatus is taken into account measuring instrument and is formed by being arranged on a plurality of temperature transducers, pressure transducer, flow on described pipeline.
Compared with prior art, the beneficial effects of the utility model are:
(1) FERRULETYPE interface has been realized the rapid abutting joint of pipeline and the accumulating of the utility model removable compressed natural gas and pressure regulating equipment extremely easily, and can move at any time according to operating mode;
(2) multistage of heat exchanger design, makes gas before entering into the pressure governor of rear class, be elevated to enough temperature, has met the temperature requirement of pressure governor decompression to gas medium;
(3) safety of heat exchanger is diffused and has been fully demonstrated security concept, guarantees equipment and personnel's safety;
(4) any Output pressure within the scope of 2.0Kpa～4.0Mpa is in order to make a set of equipment just can meet the demand of different user;
(5) multichannel Interface design, can carry out fuel gas supply to the pipe network of the various calibers under different pressures, equipment;
(6) temperature and pressure are controlled, and realize water temperature, gas temperature, gas pressure security monitoring and suitable companion's heat supply;
(7) autogamy fuel gas generation power supply and rock gas collection dress source of the gas, even also can use be connected gas ductwork in the situation that without externally fed, using scope is wider;
(8) use of gas internal combustion electric generator group, start-up and operation reliability is high, power generating quality good, lightweight, volume is little, maintenance is simple, low-frequency noise is little; And available self source of the gas is as fuel, and function is complete, simple in structure;
(9) application of GPRS technology, realizes teletransmission to data such as parameter such as flow, temperature, pressure leakage situations, makes equipment can realize telecontrol, more safe and reliable, easy to use.
Accompanying drawing explanation
Accompanying drawing is the accumulating of the utility model removable compressed natural gas and pressure regulating equipment process flow diagram.
In figure:
100-high-pressure natural gas gas cylinder group, 200-regulator, 300-fuel gas generation unit, 1-screw thread ball valve, 2-Emergeny Cutoff Valves, 3-explosion-proof pressure transmitter, 4-pressure transducer, 5-horizontal water cover heat exchanger, 6-high pressure filter, 7-one-level pressure governor, 8-emptying safety valve, 9-Flange Ball Valves, 10-second voltage regulation device, 11-flowmeter, tri-grades of pressure governors of 12-, 13-manually adds smelly system, 14-central control cabinet, 15-center instrument panel, 16-flammable gas alarm, 17-stop valve, 18-nitrogen bottle.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
As shown in figure accompanying drawing, a kind of removable compressed natural gas accumulating of the utility model and pressure regulating equipment, include high-pressure natural gas gas cylinder group 100, regulator 200 and fuel gas generation unit 300 that pipeline connects, also comprise casing, casing is vehicle carried type standard container, the bottom of casing is provided with planker, high-pressure natural gas gas cylinder group 100, regulator 200 and fuel gas generation unit 300 are fixed in casing, can integrated moving by hydraulic pressure guide rail, adopt car to drag and make it easily to move to specified position; Due to the high-pressure natural gas gas cylinder group 100 of this equipment design with stop valve 17, equipment can also can be used without extraneous gas supply in the situation that;
High-pressure natural gas gas cylinder group 100 is comprised of 8～50 horizontal high-pressure gas cylinders with cylinder valve, and gas cylinder adopts steel material or aluminum alloy winding material, between gas cylinder, by high-pressure air pipe, is communicated with, and the air demand of high-pressure natural gas gas cylinder group 100 is 400m
3～3000m
3, working pressure is at least 20Mpa.The power of fuel gas generation unit 300 is 20～30KW, and fuel gas generation unit 300 is exported the utilization voltage of 220V and 380V by distribution.
Pipeline comprises suction port and air outlet, during comprising, compresses into suction port gas port 213 and high pressure admission mouth 214, both can high, the independent air feed of middle pressure, and again can high, middle pressure combined supply gas, high, in compress into gas port 214 bore be respectively Dg50mm and Dg25mm, inlet pressure ranges is 4Mpa～20Mpa.Air outlet comprises low pressure air outlet 210, middle extrusion gas port 211 and high pressure air outlet 212; Each air outlet end is provided with the pressure regulator valve of different bores, outlet bore is respectively Dg150mm, Dg100mm, Dg80mm, compressed natural gas exportable pressure range after pressure regulation is 2.0Kpa～4.0Mpa, can realize pipe network and under accident conditions, recover rapidly normal air feed, a kind of gas pressure regulation value is in a big way provided.Each suction port in the utility model and place, air outlet are provided with the FERRULETYPE interface of control valve (as the screw thread ball valve 1 in figure, Flange Ball Valves 9, stop valve 17 etc.) and a plurality of different pressures respectively, equipment is connected very quick with pipeline, can guarantees to make rapidly the visual plants such as gas station, voltage regulating station recover the continuous air feed of pipe network or the air feed to casual user and emergency case under accident conditions.
From high pressure admission mouth 214, be connected with emergency shutoff device, filtrating equipment, heating device and regulator in turn.
Heating device is connected with emptying safety valve, and heating device adopts single-stage or multiple stage water jacket heat exchanger 5, between multiple stage water jacket heat exchanger 5, is provided with throttle valve; Between heating device and regulator, be provided with filter 6, in water jacket heat exchanger, be provided with electric heater, thereby reduce the volume and weight of heat exchanger, and it is controlled that water temperature is easily controlled to realize companion's heat.Between the multi-level tubular heat exchanger of heating device, throttle valve is housed, can tentatively reduces pressure to high-pressure gas; Equipment arranges two covers and diffuses structure, except arranging on heat exchanger emptying safety valve, also whole pipeline is separately established to a set of emptying safety valve, forms two covers and diffuses structure.
Regulator comprises one-level pressure governor 7, second voltage regulation device 10, three grades of pressure governors 12, central control cabinet 14 and center instrument panels 15, and each interface of giving vent to anger is connected with steam line by FERRULETYPE interface respectively; Between one-level pressure governor 7, second voltage regulation device 10, three grades of pressure governors 12 and corresponding connection outlet pipeline 210,211,212, Safety relief valve is all set.
In compress into and mouthful be connected with emergency shutoff device, be then connected to low tension outlet 210; The low pressure of three grades of pressure governors 12 interface of giving vent to anger is connected to low tension outlet 210; Between emergency shutoff device and low tension outlet, be provided with respectively pressure transducer between three grades of pressure governors 12 and low tension outlet 210;
In casing, arrange and be connected in parallel to flammable gas alarm 16; On pipeline section between one-level pressure governor 7 and high pressure air outlet 211, between second voltage regulation device 10 and middle extrusion gas port 211, between three grades of pressure governors 12 and low pressure air outlet 210, be respectively equipped with flowmeter 11 and add smelly system 13.
Also comprise the measuring apparatus being connected with center instrument panel 15 with central control cabinet 14, measuring apparatus is taken into account measuring instrument and is formed by a plurality of temperature transducers, pressure transducer 4, the flow that are arranged on pipeline.Measuring apparatus adopts situ metrology device.Pressure, temperature, flow and leakage condition parameter etc. all arrange teletransmission and control, and adopt GPRS to control and realize wireless IP connection.The GPRS technology adopting in equipment, can directly control equipment at self, You Ke general headquarters controlled in wireless, has increased the Security of this equipment so greatly.
Embodiment:
As shown in drawings, the utility model adopts fuel gas generation unit 300, utilizes high-pressure natural gas gas cylinder group 100 collection assembling device air feed to enable power supply, realizes self-powered.Adopt the form of two entrances, multiple exit, both can high, the independent air feed of middle pressure, again can high, middle pressure combined supply gas, after decompressions at different levels, both can directly export, can enter again next stage decompression, meet the user demand of different user.Process flow diagram is shown in accompanying drawing.
It is basic mobile unit that the utility model be take compressed natural gas (CNG) 80L steel cylinder group.Adopt vehicle carried type standard container, comprise tank tower and planker, the container of compressed natural gas is the steel horizontal high-pressure gas cylinder group with cylinder valve, by high-pressure air pipe, be communicated with, between each gas cylinder and tank tower, by fixing frame, be fixed as one, gas cylinder group is comprised of 8～50 gas cylinders, can reach 400m
3～3000m
3air demand, gas cylinder working pressure is more than 20Mpa.Consider the restriction of vehicle-mounted load and size, selecting and providing compressed natural gas (CNG) steel cylinder group standard charge for oneself is 500m
3, 25 bottles.Compressed natural gas (CNG) decompression flow process is three grades of decompressions, and it is one standby that every grade of equipment one is opened.High voltage output pressure: 0.8～4.0Mpa; Middle pressure delivery pressure: 0.2～0.6Mpa; Low pressure delivery pressure: 3～40Kpa; Pressure regulation Duan Junshe at different levels are across section bypass.For saving space, only at intermediate pressure section, establish flowmeter, flowmeter accuracy is 1.5 grades, flow-limiting valve is set simultaneously, current limliting 500m
3/ h ± 10%.The utility model is provided fuel gas generation unit for oneself, utilizes high-pressure natural gas gas cylinder group collection assembling device air feed to enable generating, and generated output 30KW can carry out 220V and the output of 380V electric weight, external external power supply, and coupling is switched.Combustion gas interface adopts high, middle pressure two-stage stand-alone interface, realizes joint supply; High-pressure inlet design pressure is 25MPa, in to compress into mouthful design pressure be 6.4MPa.High, middle crimping mouth all adopts quick bayonet interface, and the equipment of having realized is connected with pipline shortcut, guarantees to make rapidly the visual plants such as gas station, voltage regulating station recover the continuous air feed of pipe network or the air feed to casual user and emergency case under accident conditions.The high, medium and low voltage interface of gas outlet all adopts flange-interface; High-pressure outlet design pressure is 6.4MPa, connects bore Dg50mm; A middle extrusion mouthful design pressure is 1.0MPa, connects bore Dg80mm; Low tension outlet design pressure is 0.2MPa, connects bore Dg150mm.In casing, set temperature sensor, pressure transducer, flow are taken into account measuring instrument collection signal, adopt GPRS transmission, realize on-the-spot demonstration and remote data transmission.Central control cabinet 14 in the utility model comprises Siemens S7-300 type programmable controller, EJA430A type explosion-proof pressure transmitter 3, and center instrument panel 15 is selected Siemens SMART700 touch screen.
Feature of the present utility model is: be first that gas collection source, companion's heat, decompression, metering, power transmission and distribution and control are integrated, suit user's actual demand, particularly regulator and generating and collection dress source of the gas are integrated, make rock gas collection dress source of the gas can provide user required with gas, can provide again gas internal-combustion engine generator set required with gas, and the application adaptation world environmental requirement of fuel gas generation unit; The two-stage design of fuel gas inlet end can high pressure combustion gas be supplied with separately equipment, gas joint supply that again can two stage pressures; Moreover the storage of compressed natural gas adopts horizontal high-pressure gas cylinder group to store, can easy-to-operat, safe handling; In addition, the application of GPRS technology, to data remotes such as flow, temperature, pressure, leakage parameters, can control this locality equipment, and You Ke general headquarters controlled in wireless, makes equipment in use safer, convenient, fast.
The starting point of the utility model equipment research and development is: first, from the situation of the great development of rock gas, get off, because user's request is superfluous, and design of pipe networks cannot be met consumers' demand, the utility model equipment not only can be used as interim source of the gas, because the gas value of pipe natural gas and compressed natural gas is in full accord, can also be as transitional source of the gas.The second, from industrial consideration, at metallurgy, on smelting process, as glass manufacture, during pottery is manufactured, must guarantee that source of the gas is stable, air feed does not interrupt, and the utility model equipment can be used as interim source of the gas, and stable for source of the gas, air feed uninterruptedly provides effective assurance.The 3rd, from the viewpoint of civilian, country strengthens new countryside construction energetically, and in new countryside construction, exists the uneconomic problem of air feed.The utility model equipment can replace pipe natural gas with compressed natural gas, and so not only economy but also convenient, had solved small and medium-sized cities air feed problem, for new countryside construction contributes.
The utility model equipment has been done a lot of practices, for a lot of important events provide bailout gas and on-the-spot assurance, as: in the engineering of Tian Bao industry park, be the interim sources of the gas of 20 tons of gas fired boilers while debugging as combustion gas; In 113 kilometers of pipe engineerings of PetroChina Company Limited. as the pressurize source of the gas of pipe natural gas; In the gas pipeline diversion project of Xi Qing development zone, Tianjin as the source of the gas of not stopping the supple of gas or steam; In the engineering of Nan Gang development zone, Tianjin as the interim source of the gas of steam boiler; In FNMM ASEM Finance Ministers' Meeting, the utility model equipment, as on-the-spot bailout gas, for gas supply provides on-the-spot assurance, therefore the utlity model has great practical significance and promotional value.
Although the utility model is described in conjunction with figure above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; in the situation that not departing from the utility model aim, can also make a lot of distortion, within these all belong to protection of the present utility model.
Claims (9)
1. a removable compressed natural gas accumulating and pressure regulating equipment, include high-pressure natural gas gas cylinder group (100), regulator (200) and fuel gas generation unit (300) that pipeline connects, it is characterized in that, also comprise casing, described casing is vehicle carried type standard container, the bottom of described casing is provided with planker, and described high-pressure natural gas gas cylinder group (100), regulator (200) and fuel gas generation unit (300) are fixed in described casing;
Described pipeline comprises suction port and air outlet, compresses into gas port (213) and high pressure admission mouth (214) during described suction port comprises, described air outlet comprises low pressure air outlet (210), middle extrusion gas port (211) and high pressure air outlet (212); Described suction port and place, air outlet are provided with control valve respectively;
From described high pressure admission mouth (214), be connected with air inlet emergency shutoff device, filtrating equipment, heating device and regulator in turn;
Described heating device is connected with emptying safety valve, and described heating device adopts multiple stage water jacket heat exchanger (5), and multiple stage water jacket heat exchanger is provided with throttle valve between (5);
Described regulator comprises one-level pressure governor (7), second voltage regulation device (10), three grades of pressure governors (12), central control cabinet (14) and center instrument panel (15), and the interface of giving vent to anger of each in regulator is connected with steam line by FERRULETYPE interface respectively; Between described one-level pressure governor (7), second voltage regulation device (10), three grades of pressure governors (12) and corresponding connection outlet pipeline (210,211,212), Safety relief valve is set respectively;
In described, compress into gas port and be connected with emergency shutoff device, be then connected to low pressure air outlet (210); The low pressure of described three grades of pressure governors (12) interface of giving vent to anger is connected to low pressure air outlet (210); Between described emergency shutoff device and low pressure air outlet (210), be provided with respectively pressure transducer between described three grades of pressure governors (12) and described low pressure air outlet (210);
Flammable gas alarm (16) is set in described casing;
Be connected with measuring apparatus with central control cabinet (14) and center instrument panel (15), described measuring apparatus is taken into account measuring instrument and is formed by being arranged on a plurality of temperature transducers, pressure transducer, flow on described pipeline.
2. removable compressed natural gas accumulating and pressure regulating equipment according to claim 1, is characterized in that, described emergency shutoff device consists of nitrogen bottle (18) and Emergeny Cutoff Valves (2).
3. removable compressed natural gas accumulating and pressure regulating equipment according to claim 1, it is characterized in that, described high-pressure natural gas gas cylinder group (100) is comprised of 8～50 horizontal high-pressure gas cylinders with cylinder valve, between gas cylinder, by high-pressure air pipe, be communicated with, the air demand of described high-pressure natural gas gas cylinder group (100) is 400m
3～3000m
3, working pressure is at least 20Mpa.
4. removable compressed natural gas accumulating and pressure regulating equipment according to claim 1, is characterized in that, is provided with high pressure filter (6) between described heating device and regulator.
5. removable compressed natural gas accumulating and pressure regulating equipment according to claim 1, is characterized in that, the high pressure admission jointing of described second voltage regulation device (10) is provided with Flange Ball Valves (9).
6. removable compressed natural gas accumulating and pressure regulating equipment according to claim 1, it is characterized in that, on the pipeline section between described one-level pressure governor (7) and described high pressure air outlet (211), between described second voltage regulation device (10) and described middle extrusion gas port (211), between described three grades of pressure governors (12) and described low pressure air outlet (210), be respectively equipped with flowmeter (11) and add smelly system (13).
7. removable compressed natural gas accumulating and pressure regulating equipment according to claim 1, it is characterized in that, the power of described fuel gas generation unit (300) is 20～30KW, and described fuel gas generation unit (300) is exported the utilization voltage of 220V and 380V by distribution.
8. removable compressed natural gas accumulating and pressure regulating equipment according to claim 1, is characterized in that, described measuring apparatus adopts situ metrology device.
9. removable compressed natural gas accumulating and pressure regulating equipment according to claim 1, is characterized in that, described pressure, temperature, flow, leakage condition parameter etc. all arrange teletransmission and control, and adopts GPRS to control to realize wireless IP to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566802.XU CN203500850U (en) | 2013-09-12 | 2013-09-12 | Movable type storage, transportation and pressure reduction device for compressed natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566802.XU CN203500850U (en) | 2013-09-12 | 2013-09-12 | Movable type storage, transportation and pressure reduction device for compressed natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500850U true CN203500850U (en) | 2014-03-26 |
Family
ID=50331826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320566802.XU Expired - Fee Related CN203500850U (en) | 2013-09-12 | 2013-09-12 | Movable type storage, transportation and pressure reduction device for compressed natural gas |
Country Status (1)
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|---|---|
| CN (1) | CN203500850U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406053A (en) * | 2014-08-18 | 2015-03-11 | 徐丽华 | Oil gas temperature and pressure adjustment device |
| CN104534269A (en) * | 2014-12-05 | 2015-04-22 | 淄博绿成燃气设备有限公司 | Vehicle-mounted containerization type CNG decompressing and releasing unit |
| CN105465604A (en) * | 2016-01-04 | 2016-04-06 | 陕西铭泽燃气工程有限公司 | Compressed natural gas releasing device and power generation method employing pressure potential |
| CN106287226A (en) * | 2016-08-09 | 2017-01-04 | 天津华迈燃气装备股份有限公司 | A kind of gas phase LPG automatic switchover regulator |
| CN107270126A (en) * | 2017-08-08 | 2017-10-20 | 盘锦奥德燃气装备制造有限公司 | Large-scale pressure regulation metering sled |
| CN107388037A (en) * | 2017-08-08 | 2017-11-24 | 盘锦奥德燃气装备制造有限公司 | Novel voltage-regulating batch meter |
| CN108253293A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | Gas underground pressure regulator |
| CN108332048A (en) * | 2018-04-25 | 2018-07-27 | 天津良华新能源科技有限公司 | A kind of movable type CNG air entraining substation systems |
| CN108644032A (en) * | 2018-04-25 | 2018-10-12 | 天津良华新能源科技有限公司 | A kind of movable type CNG air entraining substations |
| CN112032556A (en) * | 2020-08-14 | 2020-12-04 | 中国神华能源股份有限公司国华电力分公司 | Automatic hydrogen supplementing system |
-
2013
- 2013-09-12 CN CN201320566802.XU patent/CN203500850U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406053A (en) * | 2014-08-18 | 2015-03-11 | 徐丽华 | Oil gas temperature and pressure adjustment device |
| CN104534269A (en) * | 2014-12-05 | 2015-04-22 | 淄博绿成燃气设备有限公司 | Vehicle-mounted containerization type CNG decompressing and releasing unit |
| CN105465604A (en) * | 2016-01-04 | 2016-04-06 | 陕西铭泽燃气工程有限公司 | Compressed natural gas releasing device and power generation method employing pressure potential |
| CN106287226A (en) * | 2016-08-09 | 2017-01-04 | 天津华迈燃气装备股份有限公司 | A kind of gas phase LPG automatic switchover regulator |
| CN108253293A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | Gas underground pressure regulator |
| CN107270126A (en) * | 2017-08-08 | 2017-10-20 | 盘锦奥德燃气装备制造有限公司 | Large-scale pressure regulation metering sled |
| CN107388037A (en) * | 2017-08-08 | 2017-11-24 | 盘锦奥德燃气装备制造有限公司 | Novel voltage-regulating batch meter |
| CN108332048A (en) * | 2018-04-25 | 2018-07-27 | 天津良华新能源科技有限公司 | A kind of movable type CNG air entraining substation systems |
| CN108644032A (en) * | 2018-04-25 | 2018-10-12 | 天津良华新能源科技有限公司 | A kind of movable type CNG air entraining substations |
| CN112032556A (en) * | 2020-08-14 | 2020-12-04 | 中国神华能源股份有限公司国华电力分公司 | Automatic hydrogen supplementing system |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20150912 |
|
| EXPY | Termination of patent right or utility model |