CN112160838A - Electric heating device before starting combustion engine - Google Patents
Electric heating device before starting combustion engine Download PDFInfo
- Publication number
- CN112160838A CN112160838A CN202010894946.2A CN202010894946A CN112160838A CN 112160838 A CN112160838 A CN 112160838A CN 202010894946 A CN202010894946 A CN 202010894946A CN 112160838 A CN112160838 A CN 112160838A
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- CN
- China
- Prior art keywords
- electric heater
- valve
- pipe
- manual
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005485 electric heating Methods 0.000 title claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 title claims description 8
- 238000009792 diffusion process Methods 0.000 claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 abstract description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 230000000740 bleeding effect Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/224—Heating fuel before feeding to the burner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
- F02C9/28—Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention provides an electric heating device before starting a gas turbine, which comprises an air inlet pipe, an electric heater and an air outlet pipe, wherein the air inlet pipe, the electric heater and the air outlet pipe are connected end to end, a bypass pipe is connected between the front end of the air inlet pipe and the rear end of the air outlet pipe, an inlet thermometer, an inlet thermocouple and a flow switch are arranged at the upper end of the air inlet pipe, an electric heater core is connected at the rear end of the electric heater, a cylinder pressure gauge, an automatic diffusion valve, a manual diffusion ball valve, a manual diffusion stop valve and a manual diffusion check valve which are connected with the manual diffusion ball valve are arranged at the upper end of the air inlet pipe, a manual blow-down valve and a nitrogen charging valve are connected at the lower end of the electric heater, an outlet thermometer and. Has the advantages of controllable gas temperature, safety, reliability and the like.
Description
Technical Field
The invention relates to an electric heating module for a gas system, in particular to an electric heating device before starting a combustion engine.
Background
In the existing gas system, an electric heating device heats natural gas before entering a gas turbine, so that the temperature of the natural gas entering the gas turbine is ensured, the temperature rise of the existing electric heating device is low, the outlet temperature is difficult to control, and the temperature requirement of the natural gas entering the gas turbine cannot be met.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an electric heating device before the starting of a combustion engine.
The technical solution of the invention is as follows: an electric heating device before starting of a combustion engine is characterized in that: intake pipe, electric heater, outlet duct end to end connect, have connect the bypass pipe between intake pipe front end and the outlet duct rear end, intake pipe upper end be equipped with entry thermometer, entry thermocouple, flow switch, the electric heater rear end connect and have the electric heater core, electric heater upper end be equipped with barrel manometer, automatic diffusion valve, manual diffusion ball valve and with manual diffusion ball valve meet manual diffusion stop valve, manual diffusion check valve, electric heater lower termination have manual blowoff valve, fill the nitrogen valve, the outlet duct upper end be equipped with export thermometer, export thermocouple, bypass pipe front end be equipped with the air inlet, the rear end is equipped with the gas outlet, the middle part has connect bypass electric ball valve, bypass pipe front portion be equipped with the manometer.
Compared with the prior art, the invention has the following advantages:
1. the preheating device is used for preheating the gas before the gas enters the gas turbine, and can ensure that the temperature of the gas is increased to 10 ℃ (from 5 ℃ to 15 ℃) when the maximum flow rate is 30%;
2. used for controlling the temperature of the gas outlet; controlling the outlet temperature to be a set value;
3. the device can realize stepless power regulation, and the MARKVIe controls the power of the controllable silicon of the electric heater according to the temperature feedback signal at the outlet of the electric heater, so that the temperature at the outlet of the electric heater is controlled to be a certain value;
4. when the pressure reaches a set value, the automatic overpressure relief valve is opened and timely discharged, and the automatic overpressure relief system is safe and reliable.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
In the figure: 1. the device comprises an electric heater, 2, an inlet thermocouple, 3, an outlet thermocouple, 4, an inlet thermometer, 5, an outlet thermometer, 6, a cylinder pressure gauge, 7, an electric heater core, 8, a flow switch, 9, a bypass electric ball valve, 10, an automatic bleeding valve, 11, a manual bleeding ball valve, 12, a manual bleeding stop valve, 13, a manual bleeding check valve, 14, a manual blow-down valve, 15, a nitrogen charging valve, 16, a pressure gauge, 17, an air inlet pipe, 18, an air outlet pipe, 19 and a bypass pipe.
Detailed Description
The embodiments are described below with reference to the accompanying drawings:
the invention discloses an electric heating device before starting a combustion engine, which is formed by connecting an air inlet pipe 17, an electric heater 1 and an air outlet pipe 18 end to end, wherein a bypass pipe 19 is connected between the front end of the air inlet pipe 17 and the rear end of the air outlet pipe 18, an inlet thermometer 4, an inlet thermocouple 2 and a flow switch 8 are arranged at the upper end of the air inlet pipe 17, an electric heater core 7 is connected at the rear end of the electric heater 1, a cylinder pressure gauge 6, an automatic diffusion valve 10, a manual diffusion ball valve 11, a manual diffusion stop valve 12 and a manual diffusion check valve 13 are arranged at the upper end of the electric heater 1, the manual blow-down valve 14 and a nitrogen charging valve 15 are connected at the lower end of the electric heater 1, an outlet thermometer 5 and an outlet thermocouple 3 are arranged at the upper end of the air outlet pipe 18, an air inlet is arranged at the front end of the bypass pipe 19, an air outlet is.
The specific operation mode is as follows: the gas temperature is controlled by a thyristor controller. The control cabinet of the electric heater 1 is placed in a non-dangerous area, and an indicator light is used for displaying an alarm signal inside the electric heater 1 on the cabinet surface. An inlet thermocouple 2 and an outlet thermocouple 3 are arranged at the inlet and the outlet of the heater 1 to detect the gas temperature at the inlet and the outlet, and signals are sent to MARKVIe; an inlet thermometer 4, a pressure gauge 16 and an outlet thermometer 5 are arranged at the inlet and the outlet of the electric heater 1; the electric heater 1 is provided with a cylinder pressure gauge 6; each electric heater core 7 is provided with three thermocouples which are arranged along with the tube bundle, three thermocouples which are arranged on the shell, and another thermocouple which is arranged on a flange and is used for preventing the overtemperature of the electric heating tube bundle, the overtemperature of the shell and the overtemperature of the inlet of the heating element, and only can be manually reset when the overtemperature is cut off; all signals are connected to the junction box and then connected to the control cabinet of the electric heater 1 for remote transmission. 80GEH-1(MBP40CF301) -minimum gas flow (permission) signal, the gas minimum flow detection switch 8 is closed, the contact is closed, the heater is allowed to heat, otherwise, the heating is not allowed, thereby ensuring that the electric heater 1 is cut off when the flow is small, and preventing the over-temperature regulation. All signals are connected to the junction box and then connected to the control cabinet of the electric heater 1 for remote transmission, and the temperature value of the electric heater 1 for heating the natural gas is detected at any time to meet the starting requirement of the combustion engine.
Claims (1)
1. An electric heating device before starting of a combustion engine is characterized in that: an air inlet pipe (17), an electric heater (1), an air outlet pipe (18) are connected end to end, a bypass pipe (19) is connected between the front end of the air inlet pipe (17) and the rear end of the air outlet pipe (18), an inlet thermometer (4), an inlet thermocouple (2) and a flow switch (8) are arranged at the upper end of the air inlet pipe (17), an electric heater core (7) is connected at the rear end of the electric heater (1), a cylinder pressure gauge (6), an automatic diffusion valve (10), a manual diffusion ball valve (11), a manual diffusion stop valve (12) and a manual diffusion check valve (13) are arranged at the upper end of the electric heater (1), a manual blow-off valve (14) and a nitrogen charging valve (15) are connected at the lower end of the electric heater (1), an outlet thermometer (5) and an outlet thermocouple (3) are arranged at the upper end of the air outlet pipe (18), an air inlet is arranged at the front end of the bypass pipe (19), the rear end is provided with an air outlet, the middle part is connected with a bypass electric ball valve (9), and the front part of a bypass pipe (19) is provided with a pressure gauge (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010894946.2A CN112160838A (en) | 2020-08-31 | 2020-08-31 | Electric heating device before starting combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010894946.2A CN112160838A (en) | 2020-08-31 | 2020-08-31 | Electric heating device before starting combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112160838A true CN112160838A (en) | 2021-01-01 |
Family
ID=73859819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010894946.2A Pending CN112160838A (en) | 2020-08-31 | 2020-08-31 | Electric heating device before starting combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112160838A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000038929A (en) * | 1998-07-23 | 2000-02-08 | Hitachi Ltd | Fuel gas pressure reduction and heating equipment for gas turbine |
| JP2001050011A (en) * | 1999-08-04 | 2001-02-23 | Jgc Corp | Oil combustion combined cycle power plant and operation method for the same |
| JP2009222293A (en) * | 2008-03-14 | 2009-10-01 | Osaka Gas Co Ltd | Heating device using exhaust heat of cogeneration device |
| CN202125357U (en) * | 2011-06-30 | 2012-01-25 | 大连派思燃气系统股份有限公司 | Prepositioned module for gas system |
| US20130291577A1 (en) * | 2011-01-21 | 2013-11-07 | Sanden Corporation | Air Conditioning Device for Vehicle |
| CN105822902A (en) * | 2016-06-01 | 2016-08-03 | 乐山市山鹰模具有限责任公司 | CNG gas device |
| CN205744156U (en) * | 2016-05-06 | 2016-11-30 | 浙江大唐国际江山新城热电有限责任公司 | A kind of fume afterheat heated natural gas fuel system |
| CN206093514U (en) * | 2016-08-26 | 2017-04-12 | 杰瑞石油天然气工程有限公司 | BOG recovery unit |
| CN107270119A (en) * | 2017-07-11 | 2017-10-20 | 乐山市山鹰模具有限责任公司 | LNG, BOG, EAG air temperature type gasification air supply system device |
| CN107829832A (en) * | 2017-11-16 | 2018-03-23 | 大连派思燃气系统股份有限公司 | Circulation bypath system for performance heater |
| CN207647625U (en) * | 2017-11-16 | 2018-07-24 | 大连派思燃气系统股份有限公司 | A kind of performance heater module for preposition module |
| CN211343144U (en) * | 2019-12-18 | 2020-08-25 | 大连派思燃气系统股份有限公司 | Fine filtering module before starting of gas turbine |
| CN213392399U (en) * | 2020-08-31 | 2021-06-08 | 大连派思燃气设备有限公司 | Electric heating device before starting combustion engine |
-
2020
- 2020-08-31 CN CN202010894946.2A patent/CN112160838A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000038929A (en) * | 1998-07-23 | 2000-02-08 | Hitachi Ltd | Fuel gas pressure reduction and heating equipment for gas turbine |
| JP2001050011A (en) * | 1999-08-04 | 2001-02-23 | Jgc Corp | Oil combustion combined cycle power plant and operation method for the same |
| JP2009222293A (en) * | 2008-03-14 | 2009-10-01 | Osaka Gas Co Ltd | Heating device using exhaust heat of cogeneration device |
| US20130291577A1 (en) * | 2011-01-21 | 2013-11-07 | Sanden Corporation | Air Conditioning Device for Vehicle |
| CN202125357U (en) * | 2011-06-30 | 2012-01-25 | 大连派思燃气系统股份有限公司 | Prepositioned module for gas system |
| CN205744156U (en) * | 2016-05-06 | 2016-11-30 | 浙江大唐国际江山新城热电有限责任公司 | A kind of fume afterheat heated natural gas fuel system |
| CN105822902A (en) * | 2016-06-01 | 2016-08-03 | 乐山市山鹰模具有限责任公司 | CNG gas device |
| CN206093514U (en) * | 2016-08-26 | 2017-04-12 | 杰瑞石油天然气工程有限公司 | BOG recovery unit |
| CN107270119A (en) * | 2017-07-11 | 2017-10-20 | 乐山市山鹰模具有限责任公司 | LNG, BOG, EAG air temperature type gasification air supply system device |
| CN107829832A (en) * | 2017-11-16 | 2018-03-23 | 大连派思燃气系统股份有限公司 | Circulation bypath system for performance heater |
| CN207647625U (en) * | 2017-11-16 | 2018-07-24 | 大连派思燃气系统股份有限公司 | A kind of performance heater module for preposition module |
| CN211343144U (en) * | 2019-12-18 | 2020-08-25 | 大连派思燃气系统股份有限公司 | Fine filtering module before starting of gas turbine |
| CN213392399U (en) * | 2020-08-31 | 2021-06-08 | 大连派思燃气设备有限公司 | Electric heating device before starting combustion engine |
Non-Patent Citations (1)
| Title |
|---|
| 马国喜: "燃气轮机电厂天然气调压站装置与功能分析", 燃气轮机技术 * |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210101 |