CN105952565A - Engine preheating and heat preserving system in extremely-cold region and method - Google Patents
Engine preheating and heat preserving system in extremely-cold region and method Download PDFInfo
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- CN105952565A CN105952565A CN201610463845.3A CN201610463845A CN105952565A CN 105952565 A CN105952565 A CN 105952565A CN 201610463845 A CN201610463845 A CN 201610463845A CN 105952565 A CN105952565 A CN 105952565A
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- stand alone
- vehicle frame
- alone type
- cloth
- type heater
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/16—Other apparatus for heating fuel
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an engine preheating and heat preserving system in an extremely-cold region and a method. The system comprises a water tank face cover, a deck, a frame, a first cloth curtain, a second clothe curtain, a third cloth curtain, a window blind, a cooler, a water heating type fuel coarse filter, a fan, an engine cabin right gas inlet pipeline, an engine cabin left gas inlet pipeline, an independent heater oil inlet pipeline, an independent heater oil returning pipeline, an independent heater water outlet pipeline, an independent heater, an independent heater water pump, an independent heater water inlet pipeline, an engine, a fuel oil tank, a water heating type fuel coarse filter water outlet pipeline, a water heating type fuel coarse filter oil outlet pipeline and a water heating type fuel coarse filter oil inlet pipeline. The invention further discloses the method of the engine preheating and heat preserving system in the extremely-cold region. The engine preheating and heat preserving system in the extremely-cold region has the beneficial effects that the heating and heat preserving efficiency is high, operation is easy, maintenance is convenient, and the system is safe, reliable and like. The engine preheating and heat preserving system in the extremely-cold region is specially used for dumper engine running in the extremely-cold region and suitable for extremely-cold region mines and other work environments.
Description
Technical field
The present invention relates to a kind of extremely cold area engine prewarming and heat-insulation system and method, be specifically related to a kind of engine fuel, air inlet, coolant, electromotor preheatings and heat-insulation system and method.
Background technology
Russia middle part is very long for winter, and minimum temperature is up to-58 DEG C, and extremely cold area engine prewarming and insulation are difficult problems.Have at present and use the coolant of heating to inject the cooling system method with warm-up the engine.This method operation complexity, preheats limited use and is not incubated, it is impossible to meeting extremely cold area engine prewarming and insulation.Also there is employing to be filled with cotton muff processed on electromotor and radiator, distribute reducing heat, and on inlet and outlet manifold, install iron sheet thermal insulation cover additional, and the heat of available exhaust manifold preheats gaseous mixture.This mode, structure is complicated, and temperature applicable range is the widest.Also having and use electrical heating air inlet, this mode is to utilize heating to heat air inlet, needs to consume the most extra electric energy, and electrical equipment and circuit fault rate at low ambient temperatures is high, and reliability is the strongest.
Summary of the invention
The technical problem to be solved is, overcomes available engine preheating and heat preserving mode shortcoming, it is provided that a kind of easy and simple to handle, safe and reliable, the extremely cold area engine prewarming of flexible working mode and heat-insulation system and method.
The technical solution adopted for the present invention to solve the technical problems is:
The extremely cold area engine prewarming of the present invention and heat-insulation system, including water tank face shield, deck, vehicle frame, the door curtain made of cloth one, the door curtain made of cloth two, the door curtain made of cloth three, shutter, radiator, water heating type fuel preliminary filter, fan, the right air inlet pipeline of enging cabin, the left air inlet pipeline of enging cabin, stand alone type heater in-line, stand alone type heater return line, stand alone type heater outlet pipeline, stand alone type heater, stand alone type heater water pump, stand alone type tube, heater inlet road, electromotor, fuel tank, water heating type fuel preliminary filter outlet pipeline, water heating type fuel preliminary filter outlet line and water heating type fuel preliminary filter in-line；Described shutter is connected with radiator, described radiator is connected with vehicle frame, described radiator is located at motor head, described fan is located between electromotor and radiator, described fan is mounted to air draught type, the hot-air heated up after radiator is under the effect of fan, it is transferred to inside enging cabin, by controlling shutter opening degree, intake size can be adjusted, described water tank face shield is located at shutter front end and is connected with vehicle frame, described deck is connected with vehicle frame, the described door curtain made of cloth one is located at water tank face shield front end and is connected with water tank face shield, the described door curtain made of cloth two be located at engine right side and and radiator, deck, vehicle frame connects, the described door curtain made of cloth three be located on the left of electromotor and and radiator, deck, vehicle frame connects, described water tank face shield, deck, vehicle frame, the door curtain made of cloth one, the door curtain made of cloth two, the door curtain made of cloth three is interconnected to form four face closure enging cabins；The right air inlet pipeline of described enging cabin stretches into inside the door curtain made of cloth two, and the left air inlet pipeline of described enging cabin stretches into inside the door curtain made of cloth three so that under environmental condition of extremely trembling with fear, electromotor can obtain preheated air in enging cabin；Described stand alone type heater is located on the right side of vehicle frame and is connected with vehicle frame, and described fuel tank is located on the right side of vehicle frame and is connected with vehicle frame；Described water heating type fuel preliminary filter is located on the left of vehicle frame and is connected with vehicle frame；Described stand alone type heater in-line connects stand alone type heater oil-in and fuel tank oil-out, and described stand alone type heater return line connects stand alone type heater oil-out and fuel tank oil return opening；Described stand alone type tube, heater inlet road connects stand alone type heater pump intake and engine water outlet, and described stand alone type heater outlet pipeline connects water heating type fuel preliminary filter water inlet and stand alone type heater outlet；Described water heating type fuel preliminary filter outlet pipeline connects water heating type fuel preliminary filter outlet and electromotor water return outlet, described water heating type fuel preliminary filter in-line connects water heating type fuel preliminary filter oil-in and electromotor oil-out, and described water heating type fuel preliminary filter outlet line connects water heating type fuel preliminary filter oil-out and engine oil inlet mouth.
Further, described fan is connected with electromotor by bolt.
Further, described water tank face shield is connected with vehicle frame by bolt.
Further, described deck is connected with vehicle frame by bolt.
Further, the described door curtain made of cloth one is connected with water tank face shield by snap close, and the described door curtain made of cloth two is connected with radiator, deck, vehicle frame by snap close, and the described door curtain made of cloth three is connected with radiator, deck, vehicle frame by snap close.
Further, described stand alone type heater is connected with vehicle frame by bolt.
Further, described fuel tank is connected with vehicle frame by bolt.
Further, described water heating type fuel preliminary filter is connected with vehicle frame by bolt.
In the present invention, described stand alone type heater, stand alone type heater in-line, stand alone type heater return line, stand alone type tube, heater inlet road and stand alone type heater outlet pipeline constitute coolant pre-heating system, described stand alone type heater is with water pump, force coolant circulating-heating, described stand alone type heater is with electronic control unit, after reaching set water temperature, stand alone type heater is automatically stopped work.
In the present invention, described water heating type fuel preliminary filter, in addition to oil inlet and outlet, is additionally provided with intake-outlet, and the intake-outlet by fuel preliminary filter of the coolant after heating, in fuel preliminary filter internal flow, thus to fuel-firing preheating.
The extremely cold area engine prewarming of the present embodiment and heat preserving method be:
Before engine start, stand alone type heater first works, fuel oil enters stand alone type heater from fuel tank through stand alone type heater in-line, unnecessary fuel oil returns to fuel tank through stand alone type heater return line, coolant circulation forced by stand alone type heater water pump, coolant enters stand alone type heater water pump from the engine through stand alone type tube, heater inlet, after stand alone type heater heating, the coolant of heat enters water heating type fuel filter through stand alone type heater outlet pipeline, electromotor is returned to again through water heating type fuel preliminary filter outlet pipeline, in this cyclic process, the coolant of heat is through water heating type fuel preliminary filter, in water heating type fuel preliminary filter internal flow, thus to fuel-firing preheating；And the air needed for electromotor obtains from engine prewarming and keeping warmth space, and enter electromotor through the right air inlet pipeline of enging cabin and the left air inlet pipeline of enging cabin, after the coolant of stand alone type heater heating reaches set water temperature, stand alone type heater is automatically stopped work, engine start；
Water tank face shield, deck, vehicle frame, the door curtain made of cloth one, the door curtain made of cloth two, the door curtain made of cloth three is connected with each other, form circumferential closed engine prewarming and keeping warmth space, and radiator front is provided with shutter, shutter and radiator are positioned at motor head, shutter adjusting air inlet amount size even completely closes, be conducive to electromotor to be rapidly heated and enging cabin is incubated, heat in radiator is transferred to enging cabin by fan, to electromotor, engine charges etc. preheat and are incubated, enging cabin right air inlet pipeline air inlet and enging cabin left air inlet pipeline air inlet are arranged in enging cabin, electromotor is made to obtain the air of preheating in enging cabin.
The present invention has heating and insulating efficiency is high, simple to operate, easy to maintenance, safe and reliable, the feature of flexible working mode, it is adaptable to the working environments such as the mine of bad environments.Present invention is specifically directed to extremely cold area dumper electromotor run, it is adaptable to the working environments such as extremely cold area mine.
Accompanying drawing explanation
Fig. 1 is extremely cold area engine prewarming and the heat-insulation system axonometric drawing of the embodiment of the present invention；
Fig. 2 is extremely cold area engine prewarming and the heat-insulation system internal structure axonometric drawing of the embodiment of the present invention；
Fig. 3 is extremely cold area engine prewarming and the heat-insulation system front view of the embodiment of the present invention；
Fig. 4 is extremely cold area engine prewarming and the heat-insulation system top view of the embodiment of the present invention；
In figure: 1-water tank face shield, 2-deck, 3-vehicle frame, the 4-1-door curtain made of cloth one, the 4-2-door curtain made of cloth two, the 4-3-door curtain made of cloth three, 5-shutter, 6-radiator, 7-water heating type fuel preliminary filter, 8-fan, the right air inlet pipeline of 9-1-enging cabin, the left air inlet pipeline of 9-2-enging cabin, 10-stand alone type heater in-line, 11-stand alone type heater return line, 12-stand alone type heater outlet pipeline, 13-stand alone type heater, 14-stand alone type heater water pump, 15-stand alone type tube, heater inlet road, 16-electromotor, 17-fuel tank, 18-water heating type fuel preliminary filter outlet pipeline, 19-water heating type fuel preliminary filter outlet line, 20-water heating type fuel preliminary filter in-line.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to Fig. 1-Fig. 4, the extremely cold area engine prewarming of the present embodiment and heat-insulation system, including water tank face shield 1, deck 2, vehicle frame 3, the door curtain made of cloth one 4-1, the door curtain made of cloth two 4-2, the door curtain made of cloth three 4-3, shutter 5, radiator 6, water heating type fuel preliminary filter 7, fan 8, enging cabin right air inlet pipeline 9-1, enging cabin left air inlet pipeline 9-2, stand alone type heater in-line 10, stand alone type heater return line 11, stand alone type heater outlet pipeline 12, stand alone type heater 13, stand alone type heater water pump 14, stand alone type tube, heater inlet road 15, electromotor 16, fuel tank 17, water heating type fuel preliminary filter outlet pipeline 18, water heating type fuel preliminary filter outlet line 19 and water heating type fuel preliminary filter in-line 20；nullDescribed shutter 5 is connected with radiator 6 by bolt，Described radiator 6 is connected with vehicle frame 3，Described radiator 6 is located at electromotor 16 front end，Described fan 8 is located between electromotor 16 with radiator 6 and is connected with electromotor 16，Described fan 8 is mounted to air draught type，The hot-air heated up after radiator 6 is under the effect of fan 8，It is transferred to inside enging cabin，By controlling shutter 5 opening degree，Intake size can be adjusted，Described water tank face shield 1 is located at shutter 5 front end and is connected with vehicle frame 3 by bolt，Described deck 2 is connected with vehicle frame 3 by bolt，The described door curtain made of cloth one 4-1 is located at water tank face shield 1 front end and is connected with water tank face shield 1 by snap close，The described door curtain made of cloth two 4-2 is located on the right side of electromotor 16 and by snap close and radiator 6、Deck 2、Vehicle frame 3 connects，The described door curtain made of cloth three 4-3 is located on the left of electromotor 16 and by snap close and radiator 6、Deck 2、Vehicle frame 3 connects，Described water tank face shield 1、Deck 2、Vehicle frame 3、The door curtain made of cloth one 4-1、The door curtain made of cloth two 4-2、The door curtain made of cloth three 4-3 is interconnected to form four face closure enging cabins；Described enging cabin right air inlet pipeline 9-1 stretches into inside the door curtain made of cloth two 4-2, and described enging cabin left air inlet pipeline 9-2 stretches into inside the door curtain made of cloth three 4-3 so that under environmental condition of extremely trembling with fear, electromotor can obtain preheated air in enging cabin；Described stand alone type heater 13 is located on the right side of vehicle frame 3 and is connected with vehicle frame 3 by bolt, and described fuel tank 17 is located on the right side of vehicle frame 3 and is connected with vehicle frame 3 by bolt；Described water heating type fuel preliminary filter 7 is located on the left of vehicle frame 3 and is connected with vehicle frame 3 by bolt；Described stand alone type heater in-line 10 connects stand alone type heater 13 oil-in and fuel tank 17 oil-out, and described stand alone type heater return line 11 connects stand alone type heater 13 oil-out and fuel tank 17 oil return opening；Described stand alone type tube, heater inlet road 15 connects stand alone type heater water pump 14 water inlet and electromotor 16 outlet, and described stand alone type heater outlet pipeline 12 connects water heating type fuel preliminary filter 7 water inlet and stand alone type heater 13 outlet；Described water heating type fuel preliminary filter outlet pipeline 18 connects water heating type fuel preliminary filter 7 outlet and electromotor 16 water return outlet, described water heating type fuel preliminary filter in-line 20 connects water heating type fuel preliminary filter 7 oil-in and electromotor 16 oil-out, and described water heating type fuel preliminary filter outlet line 19 connects water heating type fuel preliminary filter 7 oil-out and electromotor 16 oil-in.
The extremely cold area engine prewarming of the present embodiment and heat preserving method be:
Before electromotor 16 starts, stand alone type heater 13 first works, fuel oil enters stand alone type heater 13 from fuel tank 17 through stand alone type heater in-line 10, unnecessary fuel oil returns to fuel tank 17 through stand alone type heater return line 11, stand alone type heater water pump 14 forces coolant to circulate, coolant enters stand alone type heater water pump 14 from electromotor 16 through stand alone type tube, heater inlet 15, after stand alone type heater 13 heating, the coolant of heat enters water heating type fuel filter 7 through stand alone type heater outlet pipeline 12, electromotor 16 is returned to again through water heating type fuel preliminary filter outlet pipeline 18, in this cyclic process, the coolant of heat is through water heating type fuel preliminary filter 7, in water heating type fuel preliminary filter 7 internal flow, thus to fuel-firing preheating；And the air needed for electromotor 16 obtains from engine prewarming and keeping warmth space, and enter electromotor 16 through enging cabin right air inlet pipeline 9-1 and enging cabin left air inlet pipeline 9-2, after the coolant of stand alone type heater 13 heating reaches set water temperature, stand alone type heater 13 is automatically stopped work, and electromotor 16 starts；
Water tank face shield 1, deck 2, vehicle frame 3, the door curtain made of cloth one 4-1, the door curtain made of cloth two 4-2, the door curtain made of cloth three 4-3 is connected with each other, form circumferential closed electromotor 16 to preheat and keeping warmth space, and radiator 6 front is provided with shutter 5, shutter 5 and radiator 6 are positioned at electromotor 16 front end, shutter 5 adjusting air inlet amount size even completely closes, be conducive to electromotor 16 to be rapidly heated and enging cabin is incubated, heat in radiator 6 is transferred to enging cabin by fan 8, to electromotor 6, engine charges etc. preheat and are incubated, enging cabin right air inlet pipeline 9-1 air inlet and enging cabin left air inlet pipeline 9-2 air inlet are arranged in enging cabin, electromotor 16 is made to obtain the air of preheating in enging cabin.
Claims (9)
1. an extremely cold area engine prewarming and heat-insulation system, it is characterized in that: include water tank face shield, deck, vehicle frame, the door curtain made of cloth one, the door curtain made of cloth two, the door curtain made of cloth three, shutter, radiator, water heating type fuel preliminary filter, fan, the right air inlet pipeline of enging cabin, the left air inlet pipeline of enging cabin, stand alone type heater in-line, stand alone type heater return line, stand alone type heater outlet pipeline, stand alone type heater, stand alone type heater water pump, stand alone type tube, heater inlet road, electromotor, fuel tank, water heating type fuel preliminary filter outlet pipeline, water heating type fuel preliminary filter outlet line and water heating type fuel preliminary filter in-line；Described shutter is connected with radiator, described radiator is connected with vehicle frame, described radiator is located at motor head, described fan is located between electromotor and radiator, described fan is mounted to air draught type, the hot-air heated up after radiator is under the effect of fan, it is transferred to inside enging cabin, described water tank face shield is located at shutter front end and is connected with vehicle frame, described deck is connected with vehicle frame, the described door curtain made of cloth one is located at water tank face shield front end and is connected with water tank face shield, the described door curtain made of cloth two be located at engine right side and and radiator, deck, vehicle frame connects, the described door curtain made of cloth three be located on the left of electromotor and and radiator, deck, vehicle frame connects, described water tank face shield, deck, vehicle frame, the door curtain made of cloth one, the door curtain made of cloth two, the door curtain made of cloth three is interconnected to form four face closure enging cabins；The right air inlet pipeline of described enging cabin stretches into inside the door curtain made of cloth two, and the left air inlet pipeline of described enging cabin stretches into inside the door curtain made of cloth three；Described stand alone type heater is located on the right side of vehicle frame and is connected with vehicle frame, and described fuel tank is located on the right side of vehicle frame and is connected with vehicle frame；Described water heating type fuel preliminary filter is located on the left of vehicle frame and is connected with vehicle frame；Described stand alone type heater in-line connects stand alone type heater oil-in and fuel tank oil-out, and described stand alone type heater return line connects stand alone type heater oil-out and fuel tank oil return opening；Described stand alone type tube, heater inlet road connects stand alone type heater pump intake and engine water outlet, and described stand alone type heater outlet pipeline connects water heating type fuel preliminary filter water inlet and stand alone type heater outlet；Described water heating type fuel preliminary filter outlet pipeline connects water heating type fuel preliminary filter outlet and electromotor water return outlet, described water heating type fuel preliminary filter in-line connects water heating type fuel preliminary filter oil-in and electromotor oil-out, and described water heating type fuel preliminary filter outlet line connects water heating type fuel preliminary filter oil-out and engine oil inlet mouth.
Extremely cold area engine prewarming the most according to claim 1 and heat-insulation system, it is characterised in that: described fan is connected with electromotor by bolt.
Extremely cold area engine prewarming the most according to claim 1 and 2 and heat-insulation system, it is characterised in that: described water tank face shield is connected with vehicle frame by bolt.
Extremely cold area engine prewarming the most according to claim 1 and 2 and heat-insulation system, it is characterised in that: described deck is connected with vehicle frame by bolt.
Extremely cold area engine prewarming the most according to claim 1 and 2 and heat-insulation system, it is characterized in that: the described door curtain made of cloth one is connected with water tank face shield by snap close, the described door curtain made of cloth two is connected with radiator, deck, vehicle frame by snap close, and the described door curtain made of cloth three is connected with radiator, deck, vehicle frame by snap close.
Extremely cold area engine prewarming the most according to claim 1 and 2 and heat-insulation system, it is characterised in that: described stand alone type heater is connected with vehicle frame by bolt.
Extremely cold area engine prewarming the most according to claim 1 and 2 and heat-insulation system, it is characterised in that: described fuel tank is connected with vehicle frame by bolt.
Extremely cold area engine prewarming the most according to claim 1 and 2 and heat-insulation system, it is characterised in that: described water heating type fuel preliminary filter is connected with vehicle frame by bolt.
9. the extremely cold area engine prewarming utilizing system described in claim 1 to implement and heat preserving method, it is characterised in that:
Before engine start, stand alone type heater first works, fuel oil enters stand alone type heater from fuel tank through stand alone type heater in-line, unnecessary fuel oil returns to fuel tank through stand alone type heater return line, coolant circulation forced by stand alone type heater water pump, coolant enters stand alone type heater water pump from the engine through stand alone type tube, heater inlet, after stand alone type heater heating, the coolant of heat enters water heating type fuel filter through stand alone type heater outlet pipeline, electromotor is returned to again through water heating type fuel preliminary filter outlet pipeline, in this cyclic process, the coolant of heat is through water heating type fuel preliminary filter, in water heating type fuel preliminary filter internal flow, thus to fuel-firing preheating；And the air needed for electromotor obtains from engine prewarming and keeping warmth space, and enter electromotor through the right air inlet pipeline of enging cabin and the left air inlet pipeline of enging cabin, after the coolant of stand alone type heater heating reaches set water temperature, stand alone type heater is automatically stopped work, engine start；
Water tank face shield, deck, vehicle frame, the door curtain made of cloth one, the door curtain made of cloth two, the door curtain made of cloth three is connected with each other, form circumferential closed engine prewarming and keeping warmth space, and radiator front is provided with shutter, shutter and radiator are positioned at motor head, shutter adjusting air inlet amount size even completely closes, be conducive to electromotor to be rapidly heated and enging cabin is incubated, heat in radiator is transferred to enging cabin by fan, to electromotor, engine charge preheats and is incubated, enging cabin right air inlet pipeline air inlet and enging cabin left air inlet pipeline air inlet are arranged in enging cabin, electromotor is made to obtain the air of preheating in enging cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610463845.3A CN105952565B (en) | 2016-06-24 | 2016-06-24 | A kind of extremely cold area engine prewarming and heat-insulation system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610463845.3A CN105952565B (en) | 2016-06-24 | 2016-06-24 | A kind of extremely cold area engine prewarming and heat-insulation system and method |
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| CN105952565A true CN105952565A (en) | 2016-09-21 |
| CN105952565B CN105952565B (en) | 2017-11-17 |
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| CN201610463845.3A Active CN105952565B (en) | 2016-06-24 | 2016-06-24 | A kind of extremely cold area engine prewarming and heat-insulation system and method |
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| CN106740054A (en) * | 2016-12-21 | 2017-05-31 | 湘电重型装备有限公司 | A kind of delivered payload capability is the electric power wheel self-discharging vehicle of 136t |
| CN110725768A (en) * | 2019-11-25 | 2020-01-24 | 湘电重型装备有限公司 | Engine preheating system in low-temperature environment and control method |
| CN113073349A (en) * | 2021-03-23 | 2021-07-06 | 阳光电源股份有限公司 | Heat dissipation device and hydrogen production system in cold region |
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| CN113073349A (en) * | 2021-03-23 | 2021-07-06 | 阳光电源股份有限公司 | Heat dissipation device and hydrogen production system in cold region |
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| Publication number | Publication date |
|---|---|
| CN105952565B (en) | 2017-11-17 |
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