CN113898515A - Tank armored vehicle preheating and heating system and heating method - Google Patents
Tank armored vehicle preheating and heating system and heating method Download PDFInfo
- Publication number
- CN113898515A CN113898515A CN202110967831.6A CN202110967831A CN113898515A CN 113898515 A CN113898515 A CN 113898515A CN 202110967831 A CN202110967831 A CN 202110967831A CN 113898515 A CN113898515 A CN 113898515A
- Authority
- CN
- China
- Prior art keywords
- oil
- fuel
- heating device
- engine
- tank
- 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 150
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 239000010687 lubricating oil Substances 0.000 claims abstract description 77
- 239000000446 fuel Substances 0.000 claims abstract description 74
- 239000003921 oil Substances 0.000 claims abstract description 73
- 239000000110 cooling liquid Substances 0.000 claims abstract description 56
- 239000000295 fuel oil Substances 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 29
- 239000002826 coolant Substances 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 239000010705 motor oil Substances 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000036760 body temperature Effects 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000010187 selection method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Images
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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/02—Conditioning lubricant for aiding engine starting, e.g. heating
- F01M5/021—Conditioning lubricant for aiding engine starting, e.g. heating by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
-
- 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
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a preheating and heating system and a heating method for a tank armored vehicle, which are used for solving the problem that the existing heating device and method cannot be efficiently and accurately matched with the tank armored vehicle, and firstly, the initial temperature of cooling liquid is collected through an engine outlet temperature rise collection point; collecting the initial temperature of the lubricating oil through a lubricating oil temperature rise collecting point of an oil tank; the temperature of an engine body is collected through a plurality of engine cylinder sleeve temperature rise collecting points; acquiring the oil inlet amount of an oil inlet flow acquisition point and the oil return amount of an oil return flow acquisition point of the fuel liquid heating device, and obtaining the fuel consumption of the fuel liquid heating device in unit time according to the difference value of the oil inlet amount and the oil return amount; setting the preheating and heating time, the target temperature of cooling liquid, the target temperature of lubricating oil and the target temperature of an engine body of the tank armored vehicle; calculating the thermal power range of the fuel liquid heating device by using the boundary conditions; the tank armored vehicle system employs a selected fuel liquid heating device to heat the tank armored vehicle.
Description
Technical Field
The invention relates to the field of tank armored vehicles, in particular to the field of preheating of tank armors before starting.
Background
The rapid and reliable starting performance of the tank armored vehicle is one of the important requirements of the tank armored vehicle, and is directly related to the technical preparation capacity of the vehicle. The fuel liquid heating device is used for preheating the cooling liquid, parts of the cylinder piston group, bearings, other components of the engine and lubricating oil of the transmission device before starting, so that the starting resistance can be effectively reduced, the temperature of a combustion chamber can be increased, and the starting performance of the power transmission device can be improved. Accurate and effective heating of the part related to starting at low temperature has a crucial influence on improving the starting performance of the tank armored vehicle.
The required thermal power is calculated according to the total amount of cooling liquid and empirical coefficients by a model selection method of a traditional tank armored vehicle fuel liquid heating device, the method lacks preheating demand assessment on engine components and lubricating oil and analysis on a heat transfer process, and the situation that the selected heating device cannot be efficiently and accurately matched with a tank armored vehicle can be caused. The heating device with lower thermal power is selected to cause the viscosity of the lubricating oil to increase, so that the friction resistance of the piston, the crankshaft and the moving parts of the linkage mechanism of the crankshaft is greatly increased; the heating device with higher thermal power causes excessive oil consumption and overlarge volume, and cannot meet the requirement of mounting high-power-density parts in a small power cabin
The model selection method of the heating device based on the boundary conditions of the preheating requirements of the cooling liquid, the engine assembly and the transmission lubricating oil before the starting of the tank armored vehicle and the fuel consumption of the heating device is provided on the basis of data accumulation in earlier research work by combining the analysis of the actual situation of the tank armored vehicle.
Disclosure of Invention
The invention provides a preheating and heating system and a heating method for a tank armored vehicle, aiming at solving the problem that the existing heating device and method cannot be efficiently and accurately matched with the tank armored vehicle. The specific scheme is as follows:
a tank armored vehicle preheating and heating system comprises a heating device oil supply tank (1), a fuel liquid heating device (2), a transmission case (3), an engine (4) and a pump-containing oil tank (5); the heating device oil supply tank (1) provides fuel oil supply for the operation of the fuel oil liquid heating device (2) and recovers unburned fuel oil, and an oil inlet flow acquisition point (2-1) of the fuel oil liquid heating device and an oil return flow acquisition point (2-2) of the fuel oil liquid heating device are arranged; the fuel liquid heating device (2) exchanges heat with cooling liquid in the system by using heat generated by fuel combustion, and the heated cooling liquid is driven to flow through the transmission case (3), the engine (4) and the oil tank (5) containing the pump in a parallel mode and finally flows back to the fuel liquid heating device (2); the pump-containing oil tank (5) completes heating of lubricating oil and a pump body through heat exchange with heated cooling liquid, and an oil tank lubricating oil temperature rise collection point (5-1) is arranged on the pump-containing oil tank (5); the engine (4) completes heating of the cylinder sleeve by heat exchange with the heated cooling liquid, and is provided with a plurality of engine cylinder sleeve temperature rise collecting points (4-1) and engine outlet temperature rise collecting points (4-2); transmission case (3) are through carrying out the heat exchange with the coolant liquid after the heating, accomplish the heating to lubricating oil to set up transmission case lubricating oil temperature rise and gather point (3-1), its characterized in that: the thermal power of the fuel liquid warming device (2) is determined by boundary conditions, and the boundary conditions are as follows:
wherein:
g is the fuel consumption of the fuel liquid heating device (2) in unit time obtained by utilizing the difference value of the oil inlet amount of the oil inlet flow collecting point (2-1) and the oil return amount of the oil return flow collecting point (2-2), HUAThe standard low heat value of the fuel oil is adopted, and eta is the heat exchange efficiency of the fuel oil liquid heating device;
n is the thermal power of the fuel liquid heating device, and K is the comprehensive heat dissipation coefficient;
C1specific heat of cooling liquid, M1For coolant quality,. DELTA.T1For temperature rise of the coolant, Δ T1＝T1 target-T1，T1The initial temperature T of the cold liquid collected by the engine outlet temperature rise collection point (4-2)1 targetThe target temperature of the cooling liquid is shown, and t is the heating time;
C2as specific heat of lubricating oil, M2For lubricating oil quality,. DELTA.T2For temperature rise of lubricating oil, Δ T2＝T2 object-T2，T2The initial temperature T of the lubricating oil collected by a temperature rise collecting point (5-1) of the lubricating oil in the oil tank2 objectIs the target temperature of the lubricating oil;
C3is specific heat of engine material, M3For engine mass,. DELTA.T3For engine body temperature rise, Δ T3＝T3 object-T3，T3Is the average value T of the engine body initial temperature, namely the temperature of the engine body collected by a plurality of engine cylinder sleeve temperature rise collection points (4-1)3 objectAnd R is the average temperature rise coefficient of the engine body.
A tank armored vehicle preheating and heating method is based on a tank armored vehicle preheating and heating system and specifically comprises the following steps:
step (1) of collecting the initial temperature T of cold liquid through an engine outlet temperature rise collecting point (4-2)1；
Step (2) collecting the initial temperature T of the lubricating oil through a lubricating oil temperature rise collecting point (5-1) of the oil tank2；
Step (3) collecting the engine body through a plurality of engine cylinder sleeve temperature rise collecting points (4-1)Temperature, the mean value of which is the engine block initial temperature T3；
Step (4) collecting the oil inlet amount of an oil inlet flow collection point (2-1) of the fuel liquid heating device and the oil return amount of an oil return flow collection point (2-2), and obtaining the fuel consumption G of the fuel liquid heating device (2) in unit time according to the difference value of the oil inlet amount and the oil return amount;
step (5) preheating and heating time T of the tank armored vehicle is set, and target temperature T of cooling liquid is set1 targetTarget temperature T of lubricating oil2 objectAnd target temperature T of engine body3 object；
Step (6) according to the quantities obtained in the steps (1) to (5), calculating a thermal power range of the fuel liquid heating device by using boundary conditions, and selecting the fuel liquid heating device (2) in the range, wherein the boundary conditions are as follows:
wherein:
g is fuel consumption, HUAThe standard low heat value of the fuel oil is adopted, and eta is the heat exchange efficiency of the fuel oil liquid heating device;
n is the thermal power of the fuel liquid heating device, and K is the comprehensive heat dissipation coefficient;
C1specific heat of cooling liquid, M1For coolant quality,. DELTA.T1For temperature rise of the coolant, Δ T1＝T1 target-T1T is the heating time;
C2as specific heat of lubricating oil, M2For lubricating oil quality,. DELTA.T2For temperature rise of lubricating oil, Δ T2＝T2 object-T2；
C3Is specific heat of engine material, M3For engine mass,. DELTA.T3For engine body temperature rise, Δ T3＝T3 object-T3R is the average temperature rise coefficient of the engine body;
and (7) the tank armored vehicle system adopts the fuel liquid heating device (2) selected in the step (6) to complete heating of the tank armored vehicle.
Based on the thermodynamic formula Q ═ CM Δ T,
the minimum thermal power value required by the temperature rise of the cooling liquid in unit time; in the actual heating process, the temperature rise of the lubricating oil needs to exchange heat with the cooling liquid, meanwhile, the lubricating oil is in a static state, and the lubricating oil can be heated only in a heat conduction mode, so that the response rate of the temperature rise of the lubricating oil is lower than that of the cooling liquid, namely 6 multiplied by 10-6t2+0.317t +45.705 is based on the temperature rise of the cooling liquid, the relation of the temperature rise of the lubricating oil is fitted according to the test data,
the minimum thermal power value required by the temperature rise of the lubricating oil in unit time is obtained; the engine cylinder sleeve is heated by the cooling liquid heating water jacket, and the temperature rise response rate is lower than that of the cooling liquid. -9X 10-6t2+0.8862t-5.8864 is based on the temperature rise of the cooling liquid, and fitting the relation of the heating time of the engine cylinder sleeve according to the test data,
the minimum thermal power value required by the average temperature rise of the engine cylinder sleeve in unit time;
the minimum thermal power required by heating of each part can be met by the heating device, and the lower limit value is selected for the thermal power.
According to the tank armored vehicle heating device and the method, the preheating requirements of the cooling liquid, the engine assembly and the transmission device lubricating oil before the tank armored vehicle is started and the fuel consumption of the heating device are boundary conditions, the input parameters are design common parameters such as the engine quality, the cooling liquid quality, the lubricating liquid quality, the oil consumption and the temperature rise target, and the tank armored vehicle heating device can be quickly, accurately and efficiently designed in a matched mode.
Therefore, compared with the prior art, the invention has the following beneficial effects:
1. based on a large amount of research and test data, the invention provides a novel method for selecting the thermal power of the tank armored vehicle fuel liquid heating device, selects the fuel liquid heating device with a proper model through a type selection formula, considers the matching heating of the system and reduces the energy consumption, improves the intellectualization, the accuracy and the energy conservation of the design, and effectively simplifies the type selection method.
2. The invention fully considers the heat exchange and temperature rise processes of lubricating oil and an engine body, can intuitively and accurately calculate the energy exchange in the heat exchange and heat conduction processes, simultaneously considers the conditions of uneven temperature rise, static conduction and the like, and improves the accuracy and the reliability of the method.
3. The invention can be applied to heat calculation and heat power evaluation of different tank armored vehicles, different fluid media and different heating parts, and can be used for developing a rack test according to a system schematic diagram, and the rack is simple and convenient to connect, high in accuracy and high in test safety.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
The system comprises a heating device, a heating device oil supply tank, a fuel oil liquid heating device, a transmission case, an engine, a pump-containing oil tank, a fuel oil flow collecting point of the fuel oil liquid heating device, a temperature rise collecting point of the engine oil tank, a temperature rise collecting point of an engine outlet, a temperature rise collecting point (multiple positions) of an engine cylinder sleeve and a temperature rise collecting point of the transmission case lubricating oil, wherein the heating device oil supply tank is 1-heating device, the fuel oil liquid heating device is 2-3 transmission case, the engine is 4-1 engine, the pump-containing oil tank is 5-1, the temperature rise collecting point of the engine oil tank is 2-2, the temperature rise collecting point of the engine cylinder sleeve is 4-1, and the transmission case lubricating oil is 5-1.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, a tank armored vehicle preheating and heating system is built, an oil supply tank of a heating device provides fuel supply for the operation of a fuel liquid heating device and recovers unburned fuel, an oil inlet flow collecting point of the fuel liquid heating device and an oil return flow collecting point of the fuel liquid heating device are arranged, and the fuel consumption of the fuel liquid heating device in unit time is calculated through a collecting point difference value; the fuel liquid heating device exchanges heat with cooling liquid in the system by using heat generated by fuel combustion, and drives the heated cooling liquid to flow through a transmission case, an engine and an engine oil tank (including a pump) in a parallel mode and finally flow back to the fuel liquid heating device; the oil tank (including a pump) completes heating of the lubricating oil and the pump body through heat exchange with the heated cooling liquid, an oil tank lubricating oil temperature rise collecting point is arranged, and the temperature change of the lubricating oil and the preheating requirement of the lubricating oil are recorded through the collecting point; the engine completes heating of the cylinder sleeve by heat exchange with heated cooling liquid, and is provided with an engine cylinder sleeve temperature rise collecting point (a plurality of collecting points), the temperature change of the cylinder sleeve and the preheating requirement of an engine assembly are recorded by the mean value of the collecting points, an engine outlet temperature rise collecting point is arranged, and the temperature change of the cooling liquid in the engine cylinder sleeve and the preheating requirement of the cooling liquid are recorded by the collecting point; the transmission case completes the heating of the lubricating oil by exchanging heat with the heated cooling liquid, and is provided with a transmission case lubricating oil temperature rise collection point, and the temperature change of the lubricating oil is recorded and the preheating requirement of the lubricating oil is calculated through the collection point.
According to the boundary conditions of preheating requirements of cooling liquid, engine components and transmission lubricating oil before starting of the tank armored vehicle and fuel consumption of a heating device, fitting and selecting the type:
when in use
When in use, a fuel liquid heating device with proper thermal power can be selected.
Wherein:
g is fuel consumption, kg/h; hUAThe fuel oil is the standard low heat value of fuel oil, kJ/kg; eta is the heat exchange efficiency of the fuel liquid heating device,%;
n is the thermal power of the fuel liquid heating device, kW; k is the comprehensive heat dissipation coefficient;
C1the specific heat of the cooling liquid, kJ/(kg. DEG C); m1Kg for coolant mass; delta T1The temperature of the cooling liquid is raised to be DEG C; t is the heating time, s;
C2the specific heat of the lubricating oil is kJ/(kg DEG C); m2Kg for the mass of the lubricating oil; delta T2Raising the temperature of the lubricating oil to DEG C; because lubricating oil temperature rise needs to carry out the heat exchange with the coolant liquid in the actual heating process, and lubricating oil is in quiescent condition simultaneously, can only heat through the heat-conduction mode between the lubricating oil, consequently lubricating oil temperature rise response rate can be less than the coolant liquid. Fitting a 6X 10 lubricating oil heating comparison relation by taking the temperature rise of the cooling liquid as a reference according to test data-6t2+0.317t+45.705。
C3Specific heat of engine material, kJ/(kg. DEG C); m3Engine mass, kg; delta T3The temperature of the engine body is raised to be DEG C; the average temperature rise coefficient R of the engine body is increased due to uneven distribution of heat transfer temperature of the engine; the engine body is heated by the cooling liquid heating water jacket, and the temperature rise response speed is lower than that of the cooling liquid. Fitting an engine body heating comparison relation-9 multiplied by 10 by taking the temperature rise of the cooling liquid as a reference according to test data-6t2+0.8862t-5.8864。
The invention discloses a system schematic diagram package with the combination of the attached drawingsThe device comprises a fuel liquid heating device, an engine, a transmission case, an engine oil tank (including a pump), an oil supply tank of the heating device and a data acquisition point. The fuel liquid heating device and the fuel supply tank of the heating device form a closed fuel supply system, the oil flow difference G in unit time is collected at the oil inlet and return positions, the engine, the transmission tank and the oil tank (including a pump) are arranged in parallel, the closed water circulation system is formed with the fuel liquid heating device, and the temperature rise delta T is collected at the water outlet position of the engine1Collecting average temperature rise delta T at multiple positions of engine cylinder sleeve3Temperature rise delta T is collected at transmission case and engine oil case2. Collection engine mass M3Total mass M of system coolant1Total mass M of system oil2。
The following further details how boundary conditions are used to determine the thermal power of the fuel fluid warmer. Preheating and heating a tank armored vehicle at the temperature of 43 ℃ below zero, heating cooling liquid by using combustion fuel oil, and completing heating of lubricating oil in an engine cylinder sleeve, a transmission case and an engine oil tank (including a pump) through heat exchange. According to the starting requirement of the armored vehicle, the engine body and the cooling liquid are heated to 65 ℃ within 30min of the working of the fuel liquid heating device, the temperature of the lubricating oil is heated to 0 ℃, the initial temperature of the cooling liquid, the initial temperature of the lubricating oil and the initial temperature of the engine body are equal to the ambient temperature, wherein the total amount of the cooling liquid is 32kg, the total amount of the lubricating oil is 55kg, and the weight of the engine is 1230 kg. Meanwhile, the liquid in the oil tank of the heating device is used for supplying and recycling fuel oil for the heating device, and the fuel oil consumption is not more than 4.2kg/h through measurement. And performing thermal power selection on the fuel liquid heating device according to the conditions.
HUAThe value is 42840kJ/kg, and the combustion heat exchange efficiency of the heating device is calculated according to 90 percent.
K takes 1.1, the specific heat of the cooling liquid is 3.3kJ/(kg DEG C), the specific heat of the engine body is 0.47kJ/(kg DEG C), and the specific heat of the lubricating oil is 2.09kJ/(kg DEG C), and R takes 0.6.
According to the formula of type selection
The fuel liquid heating device is a product with the thermal power of 43 +/-1 kW, and a tank armored vehicle preheating and heating system formed by the fuel liquid heating device can meet the preheating operation of the tank armored vehicle before starting and simultaneously accords with fuel consumption indexes.
Claims (5)
1. A tank armored vehicle preheating and heating system comprises a heating device oil supply tank (1), a fuel liquid heating device (2), a transmission case (3), an engine (4) and a pump-containing oil tank (5); the heating device oil supply tank (1) provides fuel oil supply for the operation of the fuel oil liquid heating device (2) and recovers unburned fuel oil, and an oil inlet flow acquisition point (2-1) of the fuel oil liquid heating device and an oil return flow acquisition point (2-2) of the fuel oil liquid heating device are arranged; the fuel liquid heating device (2) exchanges heat with cooling liquid in the system by using heat generated by fuel combustion, and the heated cooling liquid is driven to flow through the transmission case (3), the engine (4) and the oil tank (5) containing the pump in a parallel mode and finally flows back to the fuel liquid heating device (2); the pump-containing oil tank (5) completes heating of lubricating oil and a pump body through heat exchange with heated cooling liquid, and an oil tank lubricating oil temperature rise collection point (5-1) is arranged on the pump-containing oil tank (5); the engine (4) completes heating of the cylinder sleeve by heat exchange with the heated cooling liquid, and is provided with a plurality of engine cylinder sleeve temperature rise collecting points (4-1) and engine outlet temperature rise collecting points (4-2); transmission case (3) are through carrying out the heat exchange with the coolant liquid after the heating, accomplish the heating to lubricating oil to set up transmission case lubricating oil temperature rise and gather point (3-1), its characterized in that: the thermal power of the fuel liquid warming device (2) is determined by boundary conditions, and the boundary conditions are as follows:
wherein:
g is the fuel consumption of the fuel liquid heating device (2) in unit time obtained by utilizing the difference value of the oil inlet amount of the oil inlet flow collecting point (2-1) and the oil return amount of the oil return flow collecting point (2-2), HUAThe standard low heat value of the fuel oil is adopted, and eta is the heat exchange efficiency of the fuel oil liquid heating device;
n is the thermal power of the fuel liquid heating device, and K is the comprehensive heat dissipation coefficient;
C1specific heat of cooling liquid, M1For coolant quality,. DELTA.T1For temperature rise of the coolant, Δ T1＝T1 target-T1，T1The initial temperature T of the cold liquid collected by the engine outlet temperature rise collection point (4-2)1 targetThe target temperature of the cooling liquid is shown, and t is the heating time;
C2as specific heat of lubricating oil, M2For lubricating oil quality,. DELTA.T2For temperature rise of lubricating oil, Δ T2＝T2 object-T2，T2The initial temperature T of the lubricating oil collected by a temperature rise collecting point (5-1) of the lubricating oil in the oil tank2 objectIs the target temperature of the lubricating oil;
C3is specific heat of engine material, M3For engine mass,. DELTA.T3For engine body temperature rise, Δ T3＝T3 object-T3，T3Is the average value T of the engine body initial temperature, namely the temperature of the engine body collected by a plurality of engine cylinder sleeve temperature rise collection points (4-1)3 objectAnd R is the average temperature rise coefficient of the engine body.
2. A tank armored vehicle preheating and heating method is based on a tank armored vehicle preheating and heating system and comprises a heating device oil supply tank (1), a fuel liquid heating device (2), a transmission case (3), an engine (4) and a pump-containing engine oil tank (5); the heating device oil supply tank (1) provides fuel oil supply for the operation of the fuel oil liquid heating device (2) and recovers unburned fuel oil, and an oil inlet flow acquisition point (2-1) of the fuel oil liquid heating device and an oil return flow acquisition point (2-2) of the fuel oil liquid heating device are arranged; the fuel liquid heating device (2) exchanges heat with cooling liquid in the system by using heat generated by fuel combustion, and the heated cooling liquid is driven to flow through the transmission case (3), the engine (4) and the oil tank (5) containing the pump in a parallel mode and finally flows back to the fuel liquid heating device (2); the pump-containing oil tank (5) completes heating of lubricating oil and a pump body through heat exchange with heated cooling liquid, and an oil tank lubricating oil temperature rise collection point (5-1) is arranged on the pump-containing oil tank (5); the engine (4) completes heating of the cylinder sleeve by heat exchange with the heated cooling liquid, and is provided with a plurality of engine cylinder sleeve temperature rise collecting points (4-1) and engine outlet temperature rise collecting points (4-2); the transmission case (3) completes the heating of the lubricating oil by exchanging heat with the heated cooling liquid, and is provided with a transmission case lubricating oil temperature rise collecting point (3-1), and the transmission case lubricating oil temperature rise collecting device is characterized by comprising the following steps:
step (1) of collecting the initial temperature T of cold liquid through an engine outlet temperature rise collecting point (4-2)1；
Step (2) collecting the initial temperature T of the lubricating oil through a lubricating oil temperature rise collecting point (5-1) of the oil tank2；
Step (3) the temperature of the engine body is collected through a plurality of engine cylinder sleeve temperature rise collecting points (4-1), and the average value is taken as the initial temperature T of the engine body3；
Step (4) collecting the oil inlet amount of an oil inlet flow collection point (2-1) of the fuel liquid heating device and the oil return amount of an oil return flow collection point (2-2), and obtaining the fuel consumption G of the fuel liquid heating device (2) in unit time according to the difference value of the oil inlet amount and the oil return amount;
step (5) preheating and heating time T of the tank armored vehicle is set, and target temperature T of cooling liquid is set1 targetTarget temperature T of lubricating oil2 objectAnd target temperature T of engine body3 object；
Step (6) according to the quantities obtained in the steps (1) to (5), calculating a thermal power range of the fuel liquid heating device by using boundary conditions, and selecting the fuel liquid heating device (2) in the range, wherein the boundary conditions are as follows:
wherein:
g is fuel consumption, HUAThe standard low heat value of the fuel oil is adopted, and eta is the heat exchange efficiency of the fuel oil liquid heating device;
n is the thermal power of the fuel liquid heating device, and K is the comprehensive heat dissipation coefficient;
C1specific heat of cooling liquid, M1For coolant quality,. DELTA.T1For temperature rise of the coolant, Δ T1＝T1 target-T1T is the heating time;
C2as specific heat of lubricating oil, M2For lubricating oil quality,. DELTA.T2For temperature rise of lubricating oil, Δ T2＝T2 object-T2；
C3Is specific heat of engine material, M3For engine mass,. DELTA.T3For engine body temperature rise, Δ T3＝T3 object-T3R is the average temperature rise coefficient of the engine body;
and (7) the tank armored vehicle system adopts the fuel liquid heating device (2) selected in the step (6) to complete heating of the tank armored vehicle.
3. The preheating and heating method for the tank armored vehicle as claimed in claim 2, wherein: further, the initial temperature T of the cooling liquid is set1Equal to the ambient temperature.
4. The preheating and heating method for the tank armored vehicle as claimed in claim 2, wherein: further, setting the initial temperature T of the lubricating oil2Equal to the ambient temperature.
5. A tank armored car according to claim 2The vehicle preheating and warming method is characterized in that: further, setting the initial temperature T of the engine body3Equal to the ambient temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110967831.6A CN113898515A (en) | 2021-08-23 | 2021-08-23 | Tank armored vehicle preheating and heating system and heating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110967831.6A CN113898515A (en) | 2021-08-23 | 2021-08-23 | Tank armored vehicle preheating and heating system and heating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113898515A true CN113898515A (en) | 2022-01-07 |
Family
ID=79187777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110967831.6A Pending CN113898515A (en) | 2021-08-23 | 2021-08-23 | Tank armored vehicle preheating and heating system and heating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113898515A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4099488A (en) * | 1975-06-09 | 1978-07-11 | Hunter Investment Company | Diesel fueled engine coolant heater |
| CN103742305A (en) * | 2013-12-26 | 2014-04-23 | 内蒙古北方重型汽车股份有限公司 | Fuel heating system of mining dump truck |
| CN104847544A (en) * | 2015-05-20 | 2015-08-19 | 中国人民解放军装甲兵技术学院 | Vehicular controllable fuel oil heater and control method thereof |
| CN105547704A (en) * | 2016-01-13 | 2016-05-04 | 中国航空动力机械研究所 | Aero-engine fuel oil heating test method and test device |
| CN106321322A (en) * | 2016-09-14 | 2017-01-11 | 北京理工大学 | Integrated auxiliary machine power station cold region preheating system of engineering vehicle |
-
2021
- 2021-08-23 CN CN202110967831.6A patent/CN113898515A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4099488A (en) * | 1975-06-09 | 1978-07-11 | Hunter Investment Company | Diesel fueled engine coolant heater |
| CN103742305A (en) * | 2013-12-26 | 2014-04-23 | 内蒙古北方重型汽车股份有限公司 | Fuel heating system of mining dump truck |
| CN104847544A (en) * | 2015-05-20 | 2015-08-19 | 中国人民解放军装甲兵技术学院 | Vehicular controllable fuel oil heater and control method thereof |
| CN105547704A (en) * | 2016-01-13 | 2016-05-04 | 中国航空动力机械研究所 | Aero-engine fuel oil heating test method and test device |
| CN106321322A (en) * | 2016-09-14 | 2017-01-11 | 北京理工大学 | Integrated auxiliary machine power station cold region preheating system of engineering vehicle |
Non-Patent Citations (2)
| Title |
|---|
| 卢安坚: "《美国建筑给水排水工程设计》", 31 January 2007, 经济日报出版社 * |
| 戴成岗: "《移动应急指挥平台》", 30 November 2015, 河海大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107869383B (en) | Modeling and control method for automobile engine thermal management system | |
| CN106848485B (en) | Automobile heating heat exchange system intelligently started by electric heating device | |
| US4258676A (en) | Heating system producing warm air for motor vehicles driven by an internal combustion engine | |
| CN103352752B (en) | There is the engine cooling and circulating system of shunting refrigerating function and corresponding vehicle | |
| CN110513183A (en) | A kind of marine diesel dual cycle cooling system | |
| CN209056576U (en) | Engine exhaust heats lithium battery system | |
| CN102331439A (en) | Test device for radiating property of cooler | |
| CN109766592B (en) | Method for designing chassis system of armored vehicle under altitude-variable working condition in plateau | |
| CN207864042U (en) | Engine thermal management system and engine | |
| CN105402071A (en) | Engine preheating device based on phase change heat storage | |
| CN106499494B (en) | Automobile engine zero delivery cooling system and its control method | |
| CN110273748A (en) | The heat management system and method for vehicle propulsion system | |
| CN211526726U (en) | Refrigeration waste heat recovery device and refrigeration system | |
| CN207380576U (en) | Engine decomposes frictional work experiment oil temperature control system | |
| CN113898515A (en) | Tank armored vehicle preheating and heating system and heating method | |
| CN208057293U (en) | A kind of Novel diesel engine water circulation system | |
| CN110674554A (en) | Design method of vehicle starting condition wet clutch heat dissipation system | |
| CN108278151A (en) | A kind of aperture predictor method of electrical heating type thermostat | |
| CN202256223U (en) | Heat dissipation performance tester of cooler | |
| CN207263435U (en) | Engine current test measurement device | |
| CN109378548B (en) | Method for heat storage system of power battery pack | |
| CN217304394U (en) | Radiator circulation test bench | |
| CN107650622A (en) | A kind of engine exhaust heat cyclic utilization system | |
| CN110750089B (en) | Performance judgment method for motor controller of test system | |
| CN113258160B (en) | Power battery thermal management strategy determination method, device and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220107 |