CN114893909A - Thermal state holding device and engine thermal state holding method - Google Patents
Thermal state holding device and engine thermal state holding method Download PDFInfo
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- CN114893909A CN114893909A CN202210439234.0A CN202210439234A CN114893909A CN 114893909 A CN114893909 A CN 114893909A CN 202210439234 A CN202210439234 A CN 202210439234A CN 114893909 A CN114893909 A CN 114893909A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/065—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators using fluid fuel
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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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/04—Arrangements of recuperators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
- F24H9/0057—Guiding means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
- F24H9/0073—Arrangement or mounting of means for forcing the circulation of air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0084—Combustion air preheating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/06—Arrangement of mountings or supports for heaters, e.g. boilers, other than space heating radiators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1877—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1881—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2085—Arrangement or mounting of control or safety devices for air heaters using fluid fuel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a thermal state maintaining device and an engine thermal state maintaining method, which comprise a vehicle body (1), wherein a combustion heat exchange structure is arranged in the vehicle body (1), the input ends of the combustion heat exchange structure are respectively provided with an air supply assembly, and the output end of the combustion heat exchange structure is movably provided with a connecting assembly; the combustion heat exchange structure comprises a combustion chamber (2) fixed in a vehicle body (1), a heat exchanger (3) is arranged in the combustion chamber (2), a combustor (4) is also fixed in the vehicle body (1), and the output end of the combustor (4) extends into the combustion chamber (2); the air supply assembly comprises a fan (5) fixed in the vehicle body (1), and the output end of the fan (5) is communicated with the combustion chamber (2); the connecting component is a Y-shaped interface piece (6). The invention has the advantage of keeping the good fluidity of the engine lubricating oil in the alpine region.
Description
Technical Field
The invention relates to the technical field of aviation, in particular to a thermal state retaining device and an engine thermal state retaining method.
Background
An aero-engine (aero-engine) is a highly complex and precise thermal machine, is used as the heart of an airplane, is not only the power for flying the airplane, but also an important driving force for promoting the development of aviation industry, and each important change in human aviation history is inseparable from the technical progress of the aero-engine.
After development for over a hundred years, the aero-engine has been developed into a mature product with extremely high reliability, and the aero-engine in use includes various types such as a turbojet/turbofan engine, a turboshaft/turboprop engine, a ram engine and a piston engine, and not only is used as power for military and civil aircrafts, unmanned planes and cruise missiles for various purposes, but also a gas turbine developed by derivation of the aero-engine is widely used in the fields such as ground power generation, marine power, mobile power stations, natural gas and petroleum pipeline pump stations and the like.
The flowing performance of the lubricating oil of the airplane is reduced under the influence of temperature in alpine regions, so that the phenomenon that the lubricating oil overpressure alarm is caused when the airplane is restarted after being parked outdoors for a long time frequently occurs, and the normal development of training tasks and the quick starting capability of emergency situations are seriously influenced.
In patent CN201510589023.5, a method of calculating the amount of air introduced into an aircraft engine is disclosed. The method for calculating the amount of air introduced into an aircraft engine comprises the following steps: step 1: obtaining structural parameters and material parameters of an engine nacelle, quality and material parameters of accessories in an engine and parameters of an aircraft air source; step 2: calculating the total predicted heat quantity through a formula according to the data and the predicted heating time; and step 3: and calculating the flow of the air introduced into the aircraft engine by a formula according to the total predicted heat. In the method for calculating the introduced air flow rate in the aero-engine, the introduced air flow rate in the aero-engine is obtained through calculation, so that a foundation can be provided for the next step of designing the nozzle diameter in the aero-engine accessory heating system and designing the cooling pipeline in the aero-engine accessory heating system, a set of method for designing the onboard heating system of the airplane in the alpine region is obtained, the blank of the prior art in the aspect is solved, and the specific structure is not provided.
In patent cn200810226085.x, an engine warm-up system is disclosed. The system mainly comprises: the system comprises a heat preservation container, a pipeline water pump, an electromagnetic valve, a cooling water pipeline, an intelligent controller and the like. The system is characterized in that a heat-insulating container is added on the basis of the original vehicle engine water-cooling system and is used for storing high-temperature cooling water for cooling an engine in the running process of a vehicle, and an electric water pump is added to provide circulating power of the preheated cooling water. The invention is suitable for all vehicle water-cooled engine systems, particularly suitable for cold start of the engine of a large vehicle running in a cold region, but the invention is not suitable for the use scene of the invention.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a thermal state retaining device and an engine thermal state retaining method.
The purpose of the invention is realized by the following technical scheme:
a thermal state maintaining device comprising:
the automobile body, be provided with burning heat transfer structure in the automobile body, the input of burning heat transfer structure is provided with air supply assembly respectively, the output activity of burning heat transfer structure is provided with coupling assembling.
Further, the combustion heat exchange structure comprises a combustion chamber fixed in the vehicle body, a heat exchanger is arranged in the combustion chamber, a combustor is further fixed in the vehicle body, and an output end of the combustor extends into the combustion chamber.
Further, the air supply assembly comprises a fan fixed in the vehicle body, and the output end of the fan is communicated with the combustion chamber.
Furthermore, coupling assembling is a Y type interface spare, the input of Y type interface spare passes through the clamp connection with the export of combustion chamber fixedly.
Furthermore, an oil supply mechanism is further arranged in the vehicle body and comprises an oil tank and an oil pump which are arranged in the vehicle body, the input ends of the oil tank and the oil pump are communicated through an oil pipe, and the output end of the oil pump is communicated with the combustor through the oil pipe.
Furthermore, the vehicle body comprises a frame, panels and four universal wheels, the panels are formed by numerical control bending of mm steel plates, at least one panel is provided with an air inlet grille with a filter screen, and the universal wheels have a braking function.
An engine thermal state maintaining method of a thermal state maintaining device, comprising the steps of:
pushing the device to one side of a thermal state retaining device for flying;
step two, opening a butt joint port on the side of the thermal state retaining device, and then selecting whether to install a Y-shaped interface piece at an outlet of the combustion chamber according to the field requirement;
thirdly, butting the outlet end of the combustion chamber or the outlet end of the Y-shaped interface piece with a butt joint of the flying thermal state retaining device, and opening the braking function of the universal wheel after butting;
and step four, opening the combustion engine, opening the fan after preheating, and then feeding hot air into the shell of the flying thermal state holding device after heat exchange in the combustion chamber so that the engine is coated by the warm air.
The invention has the beneficial effects that:
1. the invention provides a thermal state maintaining device and an engine thermal state maintaining method, which adopt an indirect combustion heat exchange integrated machine to separate tail gas and output clean hot air;
2. the device adopts a low-noise fan and a three-return hot air heat exchange technology, is efficient and energy-saving, realizes automatic adjustment of the air quantity of the fan, and improves the temperature of inlet air by recycling the heat of waste gas through an air outlet matched with a heat exchanger;
3. the device has compact and reasonable overall structure layout, convenient movement and transportation, wind resistance, rain resistance and sand resistance, and stable and reliable working performance of the whole machine;
4. three power interfaces, namely a diesel generator, a special power vehicle and an indoor power supply, are reserved on a power interface of the device, so that the device can be used in an environment with an external power supply condition or an environment with power supplied by the generator under a non-power supply condition;
5. the device comprises various safety protection measures, realizes the acquisition and control of internal and external multipoint signals, and ensures the safety performance of the whole machine. If the upper limit of the temperature of the combustion chamber is controlled, the automatic shutdown alarm is carried out after the overtemperature; controlling the temperature of the air outlet, automatically stopping after overtemperature, and circularly working; monitoring flame of a combustion chamber, and linking an oil supply system; monitoring air pressure of a combustion chamber, and linking a fuel and an ignition system; monitoring fuel pressure and alarming at low pressure; monitoring the ambient temperature, automatically selecting a working mode and the like. And safety devices such as overload protection, power-off protection and working state indicator lamps of the motor.
Drawings
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a top perspective view of the present invention;
FIG. 4 is a schematic view of the connection of the vehicle body to the Y-shaped interface.
In the figure, 1-vehicle body, 2-combustion chamber, 3-heat exchanger, 4-combustion engine, 5-fan, 6-Y-shaped interface piece, 7-clamp, 11-frame, 12-panel and 13-universal wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In this embodiment, as shown in fig. 1 to 4, a thermal state retaining device includes a vehicle body 1, a combustion heat exchange structure is provided in the vehicle body 1, an air supply assembly is respectively provided at an input end of the combustion heat exchange structure, and a connecting assembly is movably provided at an output end of the combustion heat exchange structure.
The embodiment is further configured as follows: the combustion heat exchange structure comprises a combustion chamber 2 fixed in a vehicle body 1, a heat exchanger 3 is arranged in the combustion chamber 2, a combustor 4 is further fixed in the vehicle body 1, and the output end of the combustor 4 extends into the combustion chamber 2. The combustion chamber 2 is provided with an exhaust port extending out of the vehicle body 1.
In the embodiment, the combustion chamber 2 and the heat exchanger 3 are integrated, an all-steel plate multilayer nested structure is adopted, the furnace core is positioned in the center of the heat exchange nested structure, the periphery of the heat exchanger is provided with a circular heat exchanger, air and smoke are in three return strokes, and heat exchange is carried out in the other way, in order to improve the heat efficiency, a multi-head spiral groove plate heat exchange technology and a turbulent flow principle are adopted, the laminar flow thickness is reduced, and the air and the smoke are enabled to continuously exchange the spiral direction in the process of going; through adopting indirect combustion heat transfer all-in-one, separate tail gas, output clean hot-air, adopt the hot-blast heat transfer technique of three return strokes, energy-efficient, the fan amount of wind realizes automatically regulated, and the gas vent is joined in marriage heat exchanger 3 and is improved the temperature of air inlet to the heat recovery of waste gas.
The embodiment is further configured as follows: the air supply assembly comprises a fan 5 fixed in the vehicle body 1, and the output end of the fan 5 is communicated with the combustion chamber 2.
In this embodiment, the fan 5 is formed by adding an existing air inlet filter to a low-noise medium-pressure blower, and the air volume is automatically adjusted by a frequency converter according to the system temperature control requirement, so as to ensure controllable air outlet temperature of the equipment.
The embodiment is further configured as follows: coupling assembling is a Y type interface piece 6, the input of Y type interface piece 6 is connected fixedly through clamp 7 with the export of combustion chamber 2.
The embodiment is further configured as follows: still be provided with the fuel feeding mechanism in the automobile body 1, the fuel feeding mechanism is including setting up oil tank and the oil pump in the automobile body 1, the input of oil tank and oil pump passes through oil pipe intercommunication, the output of oil pump passes through oil pipe and 4 intercommunications of combustor.
The embodiment is further configured as follows: the automobile body 1 comprises frame 11, panel 12 and four universal wheels 13, panel 12 adopts the 2mm steel sheet to bend the shaping through the numerical control, wherein sets up the air inlet grid of taking the filter screen on at least one panel 12, universal wheel 13 has the brake function.
A respective hinged door is mounted to each of the panels 12 to facilitate access to the respective location by personnel.
In the embodiment, three power interfaces, namely a diesel generator, a special power vehicle and an indoor power supply, are reserved on the power interface of the vehicle body 1, so that the vehicle can be used in an environment with an external power supply condition or an environment powered by the generator under a non-power supply condition;
through the arrangement of the vehicle body 1, the device has compact and reasonable structural layout, is convenient to move and transport, is windproof, rainproof and windproof, and has stable and reliable working performance.
The second embodiment and the present embodiment are based on the first embodiment:
still be provided with control system in the automobile body 1, control system includes signal acquisition and software algorithm two parts, control system still includes the controller, and its software algorithm passes through technical staff and inputs to the controller in, and the signal that thermal state retention device gathered includes ambient temperature, combustion chamber temperature, air outlet temperature, combustion chamber flame ion, combustion chamber wind inductor, the low liquid level warning of oil tank, the oil tank shuts down the liquid level trigger signal point, and the acquisition of these signals is all through installing current sensor, the inductor, and information is gathered, these sensors, the inductor carries out the electricity with the controller and is connected.
Software in the controller can automatically adjust working parameters according to the change of environmental conditions, and functions of unmanned automatic start-stop, monitoring, alarming and the like are realized. After the thermal state maintaining device is started, ignition heating can be carried out according to a preset temperature value, and the outlet temperature can be stabilized to be close to a preset value; the working modes of the thermal state maintaining device can be divided into a timing heating mode, a circulating heating mode and other working modes.
The control system comprises various safety protection measures, realizes internal and external multipoint signal acquisition and control, and ensures the safety performance of the whole machine. If the upper limit of the temperature of the combustion chamber is controlled, the automatic shutdown alarm is carried out after the overtemperature; controlling the temperature of the air outlet, automatically stopping after overtemperature, and circularly working; monitoring flame of a combustion chamber, and linking an oil supply system; monitoring air pressure of a combustion chamber, and linking a fuel and an ignition system; monitoring fuel pressure and alarming at low pressure; monitoring the ambient temperature, automatically selecting a working mode and the like. And safety devices such as overload protection, power-off protection and working state indicator lamps of the motor.
Performance parameters of the thermal state maintaining device:
outlet temperature: the temperature is less than or equal to +100 ℃, and the temperature is adjustable;
power supply: 220V;
minimum start temperature: -40 ℃;
maximum starting altitude: 4500 m.
An engine thermal state maintaining method of a thermal state maintaining device, comprising the steps of:
pushing the device to one side of a flying thermal state holding device;
step two, opening a butt joint at the side edge of the thermal state retaining device, and then selecting whether to install a Y-shaped interface part 6 at the outlet of the combustion chamber 2 according to the field requirement;
thirdly, the outlet end of the combustion chamber 2 or the outlet end of the Y-shaped interface piece 6 is butted with a butt joint port of the flying thermal state holding device, and the braking function of the universal wheel 13 is opened after the butt joint;
and step four, opening the combustion engine 4, opening the fan 5 after preheating, and then feeding hot air into the shell of the flying thermal state holding device after heat exchange in the combustion chamber 2 so as to coat the engine with the warm air.
The advantages of this embodiment:
1. three power interfaces, namely a diesel generator, a special power vehicle and an indoor power supply, are reserved on a power interface of the device, so that the device can be used in an environment with an external power supply condition or an environment with power supplied by the generator under a non-power supply condition;
2. the device comprises various safety protection measures, realizes the acquisition and control of internal and external multipoint signals, and ensures the safety performance of the whole machine. If the upper limit of the temperature of the combustion chamber is controlled, the automatic shutdown alarm is carried out after the overtemperature; controlling the temperature of the air outlet, automatically stopping after overtemperature, and circularly working; monitoring flame of a combustion chamber, and linking an oil supply system; monitoring air pressure of a combustion chamber, and linking a fuel and an ignition system; monitoring fuel pressure and alarming at low pressure; monitoring the ambient temperature, automatically selecting a working mode and the like. And safety devices such as overload protection, power-off protection and working state indicator lamps of the motor.
The working principle of the invention is as follows:
pushing the device to one side of a thermal state maintaining device in flight; then opening a butt joint at the side edge of the thermal state retaining device, and selecting whether to install a Y-shaped interface piece 6 at the outlet of the combustion chamber 2 according to the field requirement; then the outlet end of the combustion chamber 2 or the outlet end of the Y-shaped interface piece 6 is butted with a butt joint of a flying thermal state retaining device, and the braking function of the universal wheel 13 is opened after the butt joint; the combustion engine 4 is turned on, the fan 5 is turned on after preheating, and then hot air is sent into a shell of the flying thermal state maintaining device after heat exchange in the combustion chamber 2, so that the engine is coated by the hot air; according to the set program, the device is used for heating the cavity of the flight equipment at regular time and in a circulating manner or heating the cavity after the temperature of the inner cavity of the flight equipment is detected to be reduced to a certain temperature.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention are usually placed when in use, or orientations or positional relationships that are usually understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the thermal state maintaining device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Claims (7)
1. A thermal state maintaining apparatus, comprising:
the automobile body (1), be provided with burning heat transfer structure in the automobile body (1), the input of burning heat transfer structure is provided with air supply assembly respectively, the output activity of burning heat transfer structure is provided with coupling assembling.
2. A thermal state maintaining apparatus according to claim 1, wherein: the combustion heat exchange structure comprises a combustion chamber (2) fixed in a vehicle body (1), a heat exchanger (3) is arranged in the combustion chamber (2), a combustor (4) is further fixed in the vehicle body (1), and an output end of the combustor (4) extends into the combustion chamber (2).
3. A thermal state maintaining apparatus according to claim 2, wherein: the air supply assembly comprises a fan (5) fixed in the vehicle body (1), and the output end of the fan (5) is communicated with the combustion chamber (2).
4. A thermal state maintaining apparatus according to claim 2, wherein: the connecting assembly is a Y-shaped interface piece (6), and the input end of the Y-shaped interface piece (6) is fixedly connected with the outlet of the combustion chamber (2) through a hoop (7).
5. A thermal state maintaining apparatus according to claim 2, wherein: still be provided with fuel feeding mechanism in automobile body (1), fuel feeding mechanism is including setting up oil tank and the oil pump in automobile body (1), the input of oil tank and oil pump passes through the oil pipe intercommunication, the output of oil pump passes through oil pipe and combustor (4) intercommunication.
6. A thermal state maintaining apparatus according to claim 1, wherein: automobile body (1) comprises frame (11), panel (12) and four universal wheels (13), panel (12) adopt the 2mm steel sheet to pass through the numerical control shaping of bending, wherein offer the air inlet grid of taking the filter screen on at least one panel (12), universal wheel (13) have brake function.
7. The engine thermal state maintaining method of a thermal state maintaining apparatus according to any one of claims 1 to 6, comprising the steps of:
pushing the device to one side of a thermal state retaining device for flying;
step two, opening a butt joint port on the side of the thermal state retaining device, and then selecting whether to install a Y-shaped joint member (6) at an outlet of the combustion chamber (2) according to the field requirement;
thirdly, the outlet end of the combustion chamber (2) or the outlet end of the Y-shaped interface piece (6) is in butt joint with a butt joint port of the flying thermal state holding device, and the braking function of the universal wheel (13) is opened after the butt joint;
and step four, the combustion engine (4) is turned on, the fan (5) is turned on after preheating, and then hot air is sent into the shell of the flying thermal state maintaining device after heat exchange in the combustion chamber (2), so that the engine is coated by the hot air.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210197719 | 2022-03-02 | ||
| CN2022101977193 | 2022-03-02 |
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| CN114893909A true CN114893909A (en) | 2022-08-12 |
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| CN202210439234.0A Pending CN114893909A (en) | 2022-03-02 | 2022-04-25 | Thermal state holding device and engine thermal state holding method |
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| CN202032736U (en) * | 2011-04-12 | 2011-11-09 | 劳致朝 | Fuel oil fan heater |
| CN104100997A (en) * | 2013-04-08 | 2014-10-15 | 通用电气公司 | Catalytic combustion air heating system |
| CN203413819U (en) * | 2013-06-21 | 2014-01-29 | 山西晋城无烟煤矿业集团有限责任公司 | Fuel gas hot blast stove for anti-freezing in winter |
| CN206037408U (en) * | 2016-08-26 | 2017-03-22 | 吉林市松花湖实业有限公司 | Energy -concerving and environment -protective hot -blast furnace of biomass energy source all steel waste gas recovery |
| CN207196932U (en) * | 2017-09-21 | 2018-04-06 | 北京京威汽车设备有限公司 | A kind of fuel-fired air heater |
| CN112050468A (en) * | 2020-07-24 | 2020-12-08 | 四川老李科技有限公司 | Spiral plate type internal combustion high-efficiency hot blast stove |
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