CN118008654A - Combined heat and power heating and heat preserving system - Google Patents
Combined heat and power heating and heat preserving system Download PDFInfo
- Publication number
- CN118008654A CN118008654A CN202311810283.1A CN202311810283A CN118008654A CN 118008654 A CN118008654 A CN 118008654A CN 202311810283 A CN202311810283 A CN 202311810283A CN 118008654 A CN118008654 A CN 118008654A
- Authority
- CN
- China
- Prior art keywords
- assembly
- heat exchanger
- heat
- turboshaft engine
- engine assembly
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 33
- 239000012530 fluid Substances 0.000 claims abstract description 29
- 230000001360 synchronised effect Effects 0.000 claims abstract description 22
- 238000004321 preservation Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000000446 fuel Substances 0.000 claims description 22
- 238000002485 combustion reaction Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 10
- 239000000295 fuel oil Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 230000003313 weakening effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
-
- 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
-
- 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
- F02C7/08—Heating air supply before combustion, e.g. by exhaust gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a cogeneration heating and heat preservation system which comprises a turboshaft engine assembly, a permanent magnet synchronous motor, a heat exchanger assembly, a controller, a bracket assembly and an accessory assembly, wherein the bracket assembly is connected with the turboshaft engine assembly; the nozzle of the turboshaft engine assembly is connected with the heat exchanger assembly after being converted from the axial direction to the radial direction, the permanent magnet synchronous motor is arranged at the bottom of the turboshaft engine assembly, and the permanent magnet synchronous motor is coaxially connected with a turbine shaft of the turboshaft engine assembly; the accessory assembly is distributed above the high-efficiency heat exchanger assembly and is directly connected with the heat exchanger, and the accessory assembly supplies oil to the vortex shaft engine assembly and simultaneously provides power for cold fluid circulation in the heat exchanger assembly; the controller has the CAN communication function, controls the operation of the cogeneration heating and heat preservation system, and integrates all parts of the system on the bracket assembly in order to ensure the installation precision and facilitate the integral hoisting. The invention can greatly improve the heating power, and the system has the power generation capacity besides generating heat energy.
Description
Technical Field
The invention relates to a device which takes a turboshaft engine as a power source and has the functions of generating heat energy and generating power, in particular to a cogeneration heating and heat preservation system.
Background
The main function of the warmer is to solve the problem of low-temperature quick start equipment of military vehicles such as armor, traction and transportation powered by a diesel engine when the external environment is lower than 5 ℃, and provide guarantee for the quick start of the military vehicles at low temperature.
The existing warmer is started and works mainly by means of a battery power supply on equipment to supply electric quantity, and in extremely cold weather (the temperature is lower than-40 ℃), the heating time of an engine is longer, multiple times of heating are needed, and a certain battery electric quantity is consumed in the whole working process. In addition, the low-temperature environment can simultaneously cause the discharge capacity of the storage battery of the equipment to be reduced, which brings adverse effects to the reliable and continuous operation of the equipment under a certain state.
Disclosure of Invention
In view of the above, the invention provides a cogeneration heating and heat preservation system which can greatly improve heating power, can generate heat energy, has power generation capacity, can ensure electric energy required by self operation, can also supply power to upper equipment, and improves the silence and duty capacity of the equipment.
A heating and heat preservation system for cogeneration comprises a turboshaft engine assembly, a permanent magnet synchronous motor, a heat exchanger assembly, a controller, a bracket assembly and an accessory assembly;
The nozzle of the turboshaft engine assembly is connected with the heat exchanger assembly after being converted from an axial direction to a radial direction, the permanent magnet synchronous motor is arranged at the bottom of the turboshaft engine assembly, and the permanent magnet synchronous motor is coaxially connected with a turbine shaft of the turboshaft engine assembly; the accessory assembly is distributed above the heat exchanger assembly and is directly connected with the heat exchanger assembly, and the accessory assembly supplies oil to the shaft engine assembly and simultaneously provides power for cold fluid circulation in the heat exchanger assembly; the controller has the CAN communication function, controls the operation of the cogeneration heating and heat preservation system, and integrates all parts of the system on the bracket assembly in order to ensure the installation precision and facilitate the integral hoisting.
Further, the turboshaft engine assembly comprises an air inlet channel, a combustion chamber, a gas compressor, a two-stage axial flow turbine and a tail nozzle; the fuel oil is combusted in the combustion chamber to release heat, and the mechanical energy is converted into electric energy; the compressor continuously rotates under the dragging of the permanent magnet synchronous motor; after the turboshaft engine assembly is successfully started, the primary axial flow turbine converts heat energy released by fuel oil in the combustion chamber into mechanical energy to drive the secondary axial flow turbine, and the primary axial flow turbine drives the permanent magnet synchronous motor to do work through the coupling.
Further, the heat exchanger assembly comprises an outer shell and a heat exchange core barrel, and the outer shell and the heat exchange core barrel form a cold fluid channel and a hot fluid channel together, and the heat exchanger assembly is mainly used for exchanging heat between hot fluid discharged by the vortex shaft engine assembly and cold fluid in the cold fluid channel in the heat exchange core barrel, so that the purpose of heating the cold fluid is achieved.
Further, the accessory assembly comprises a fuel pump, a control valve, an electric actuator and a circulating water pump; the fuel pump provides pressure fuel for a combustion chamber of the turboshaft engine assembly; the control valve controls the on-off of fuel in the fuel system pipeline; the electric actuator comprises a water temperature sensor and a flame sensor; the circulating water pump circulates the cold fluid.
Further, when the cogeneration heating and heat preservation system operates, a button for triggering the starting of the cogeneration heating and heat preservation system enters an automatic control mode; the compressor continuously rotates under the dragging of the permanent magnet synchronous motor, when the rotating speed reaches a certain range, stable airflow with a certain pressure ratio continuously passes through the combustion chamber, fuel is conveyed to the fuel atomizing nozzle through the oil pump at the moment, a mixture of air and oil mist is formed in the combustion chamber, the glow plug is electrified, heated and ignited to ignite the mixed gas, and continuous and stable combustion is established; after the turboshaft engine assembly is successfully started, the generated electric energy is firstly supplied to a fuel pump, a lubricating oil pump, a water pump and a controller in the system, and the redundant electric energy is supplied to loading equipment or a storage battery for charging; the high-temperature tail gas enters the heat exchanger assembly through the transition spray pipe and the connecting device to heat cold fluid in the heat exchanger assembly; besides the heat collection function, the cavity of the heat exchanger assembly also has the function of weakening noise, so that the noise of the system operation reaches the design requirement.
The beneficial effects are that:
1. compared with the existing warmer, the heating and heat preserving system of the invention greatly improves heating power, has generating capacity besides generating heat energy, can supply power to the loading equipment and the like besides guaranteeing the electric energy required by the operation of the system, and improves the silence and duty capacity of the equipment.
2. The heating and heat-preserving system can adopt temperature closed-loop control to preserve heat of the engine, the gearbox, the oil tank and the like so as to ensure that the engine can be started at any time besides ensuring cold start of the engine.
3. The high-temperature tail gas generated by the invention enters the cavity of the heat exchanger through the transition spray pipe and the connecting device to heat cold fluid in the heat exchanger. Besides the heat collection function, the heat exchanger cavity also has the function of weakening noise, so that the noise of the system operation reaches the design requirement.
Drawings
FIG. 1 is a schematic diagram of the heating and insulating system of the present invention.
Wherein, 1-high speed permanent magnet synchronous motor, 2-turboshaft engine assembly, 3-annex assembly, 4-heat exchanger assembly, 5-controller, 6-support assembly.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
As shown in figure 1, the invention provides a combined heat and power heating and heat preservation system which comprises a turboshaft engine assembly 2, a permanent magnet synchronous motor 1, a heat exchanger assembly 4, a controller 5, a bracket assembly 6 and an accessory assembly 3.
The nozzle of the turboshaft engine assembly 2 is connected with the heat exchanger assembly 4 after being converted from the axial direction to the radial direction, the permanent magnet synchronous motor 1 is arranged at the bottom of the turboshaft engine assembly 2, and the permanent magnet synchronous motor 1 is coaxially connected with a turbine shaft of the turboshaft engine assembly 2; the accessory assembly 3 is distributed above the heat exchanger assembly 4 and is directly connected with the heat exchanger assembly 4, and the accessory assembly 3 supplies oil to the turboshaft engine assembly 2 and simultaneously provides power for the circulation of cold fluid in the heat exchanger assembly 4; the controller 5 has CAN communication function, controls the operation of the cogeneration heating and heat preservation system, and integrates all parts of the system on the bracket assembly 6 in order to ensure the installation precision and facilitate the integral hoisting.
The turboshaft engine assembly 2 comprises an air inlet channel, a combustion chamber, a gas compressor, a two-stage axial flow turbine and a tail nozzle; the fuel oil is combusted in the combustion chamber to release heat, and the mechanical energy is converted into electric energy; the compressor continuously rotates under the dragging of the permanent magnet synchronous motor; after the turboshaft engine assembly is successfully started, the primary axial flow turbine converts heat energy released by fuel oil in the combustion chamber into mechanical energy to drive the secondary axial flow turbine, and the primary axial flow turbine drives the permanent magnet synchronous motor to do work through the coupling.
The heat exchanger assembly 4 comprises an outer shell and a heat exchange core barrel, and the outer shell and the heat exchange core barrel form a cold fluid channel and a hot fluid channel together, and the heat exchanger assembly mainly performs heat exchange on hot fluid discharged by the turboshaft engine assembly and cold fluid in the cold fluid channel in the heat exchange core barrel, so that the purpose of heating the cold fluid is achieved.
The accessory assembly 3 comprises a fuel pump, a control valve, an electric actuator and a circulating water pump; the fuel pump provides pressure fuel for a combustion chamber of the turboshaft engine assembly; the control valve controls the on-off of fuel in the fuel system pipeline; the electric actuator comprises a water temperature sensor and a flame sensor; the circulating water pump circulates the cold fluid.
The working process comprises the following steps: when the cogeneration heating and heat preservation system operates, a button for triggering the starting of the cogeneration heating and heat preservation system enters an automatic control mode; the compressor continuously rotates under the dragging of the permanent magnet synchronous motor 1, when the rotating speed reaches a certain range, stable airflow with a certain pressure ratio continuously passes through the combustion chamber, fuel is conveyed to the fuel atomizing nozzle through the oil pump at the moment, a mixture of air and oil mist is formed in the combustion chamber, and the glow plug is electrified, heated and ignited to ignite the mixture, so that continuous and stable combustion is established; after the turboshaft engine assembly 2 is successfully started, the generated electric energy is firstly supplied to a fuel pump, a lubricating oil pump, a water pump and a controller in the system, and the redundant electric energy is supplied to loading equipment or a storage battery for charging; the high-temperature tail gas enters the heat exchanger assembly through the transition spray pipe and the connecting device to heat cold fluid in the heat exchanger assembly 4; besides the heat collection function, the cavity of the heat exchanger assembly 4 also has the function of weakening noise, so that the noise of the system operation reaches the design requirement.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The combined heat and power heating and heat preservation system is characterized by comprising a turboshaft engine assembly, a permanent magnet synchronous motor, a heat exchanger assembly, a controller, a bracket assembly and an accessory assembly;
The nozzle of the turboshaft engine assembly is connected with the heat exchanger assembly after being converted from an axial direction to a radial direction, the permanent magnet synchronous motor is arranged at the bottom of the turboshaft engine assembly, and the permanent magnet synchronous motor is coaxially connected with a turbine shaft of the turboshaft engine assembly; the accessory assembly is distributed above the heat exchanger assembly and is directly connected with the heat exchanger assembly, and the accessory assembly supplies oil to the vortex shaft engine assembly and simultaneously provides power for cold fluid circulation in the heat exchanger assembly; the controller has the CAN communication function, controls the operation of the cogeneration heating and heat preservation system, and all parts of the system are integrated on the bracket assembly.
2. The cogeneration heating and insulation system of claim 1, wherein said turboshaft engine assembly comprises an intake duct, a combustion chamber, a compressor, a two-stage axial turbine, and a tail nozzle; the fuel oil is combusted in the combustion chamber to release heat, and the mechanical energy is converted into electric energy; the compressor continuously rotates under the dragging of the permanent magnet synchronous motor; after the turboshaft engine assembly is successfully started, the primary axial flow turbine converts heat energy released by fuel oil in the combustion chamber into mechanical energy to drive the secondary axial flow turbine, and the primary axial flow turbine drives the permanent magnet synchronous motor to do work through the coupling.
3. The cogeneration heating and heat preservation system of claim 2, wherein the heat exchanger assembly comprises an outer shell and a heat exchange core barrel, which together form a cold fluid channel and a hot fluid channel, and the heat exchanger assembly is used for mainly exchanging heat between hot fluid discharged from the turboshaft engine assembly and cold fluid in the cold fluid channel in the heat exchange core barrel, thereby achieving the purpose of heating the cold fluid.
4. The cogeneration heating and insulation system of claim 3, wherein said accessory assembly comprises a fuel pump, a control valve, an electric actuator, and a circulating water pump; the fuel pump provides pressure fuel for a combustion chamber of the turboshaft engine assembly; the control valve controls the on-off of fuel in the fuel system pipeline; the electric actuator comprises a water temperature sensor and a flame sensor; the circulating water pump circulates the cold fluid.
5. The cogeneration heating and insulation system of claim 3 or 4, wherein a button that triggers the start of the cogeneration heating and insulation system enters an automatic control mode when the cogeneration heating and insulation system is operating; the compressor continuously rotates under the dragging of the permanent magnet synchronous motor, when the rotating speed reaches a certain range, the air flow continuously passes through the combustion chamber, at the moment, fuel oil is conveyed to the fuel oil atomizing nozzle through the oil pump, a mixture of air and oil mist is formed in the combustion chamber, the glow plug is electrified, heated and ignited to ignite the mixture, and continuous and stable combustion is established; after the turboshaft engine assembly is successfully started, the generated electric energy is firstly supplied to a fuel pump, a lubricating oil pump, a water pump and a controller in the system, and the redundant electric energy is supplied to loading equipment or a storage battery for charging; the high-temperature tail gas enters the heat exchanger assembly through the transition spray pipe and the connecting device to heat cold fluid in the heat exchanger assembly; besides the heat collection function, the cavity of the heat exchanger assembly also has the function of weakening noise, so that the noise of the system operation reaches the design requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311810283.1A CN118008654A (en) | 2023-12-26 | 2023-12-26 | Combined heat and power heating and heat preserving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311810283.1A CN118008654A (en) | 2023-12-26 | 2023-12-26 | Combined heat and power heating and heat preserving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118008654A true CN118008654A (en) | 2024-05-10 |
Family
ID=90949015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311810283.1A Pending CN118008654A (en) | 2023-12-26 | 2023-12-26 | Combined heat and power heating and heat preserving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118008654A (en) |
-
2023
- 2023-12-26 CN CN202311810283.1A patent/CN118008654A/en active Pending
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