CN104747342A - Movable internal combustion locomotive preheating device with automatic constant-temperature control function - Google Patents
Movable internal combustion locomotive preheating device with automatic constant-temperature control function Download PDFInfo
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- CN104747342A CN104747342A CN201510114916.4A CN201510114916A CN104747342A CN 104747342 A CN104747342 A CN 104747342A CN 201510114916 A CN201510114916 A CN 201510114916A CN 104747342 A CN104747342 A CN 104747342A
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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
- 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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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention discloses a movable internal combustion locomotive preheating device with an automatic constant-temperature control function. The internal combustion locomotive preheating device comprises a preheating device structure, a heating box, a heating bar, a temperature sensor, a water supply valve, a water return valve, a circulating water pump and a preheating control device. The heating box is arranged at the top of the preheating device structure and divided into a water outlet area and a water return area through a horizontal partition plate internally arranged, wherein the water outlet area and the water return area are communicated. The heating bar and the temperature sensor are arranged in the water outlet area. The water outlet area is communicated with a water inlet of an internal combustion locomotive water circulating system through a water outlet pipe. The water return area is communicated with a water drain opening of the internal combustion locomotive water circulating system through a water return pipe. The circulating water pump is arranged in a pipeline of the water return pipe. The preheating control device is arranged below the heating box, electrically connected with the heating bar, the temperature sensor and the circulating water pump and used for achieving automatic control over the preheating device. The preheating device can reduce preheating energy consumption of a north internal combustion locomotive in winter, and improve the preheating efficiency of the locomotive in winter.
Description
Technical field
The present invention relates to a kind of internal combustion locomotive Preheating unit, the internal combustion locomotive Preheating unit of specifically a kind of portable automatic constant-temperature control, belongs to internal combustion locomotive preheating technology field.
Background technique
When diesel engine of diesel locomotive starts or shuts down, be all certain requirement to the temperature of the machine oil of diesel engine, fuel oil and cooling water.When oil, coolant-temperature gage are lower than 20 DEG C, diesel engine is inaccurate to be started; When oil, coolant-temperature gage are lower than 40 DEG C, diesel engine is forbidden application of load; Winter diesel engine stop insulation time, oil, coolant-temperature gage must not lower than 20 DEG C.Lubricant oil, cooling water temperature are too low, not only make diesel engine starting difficulty, and moving parts serious wear, and fuel-oil atmozation is bad, affects burning quality.In cold, low temperature, winter of freezing, be in the internal combustion locomotive of holding state, easily occur the phenomenons such as low temperature causes diesel coolant to freeze, wax analysed by fuel oil, engine oil viscosity increase.
Internal combustion locomotive in the winter time preheating adopts construction thermal keeping garage usually, and shortcoming is that cost of investment is comparatively large, and operate time is short, and utilization ratio is low; Or adopting the exhaust heat boiler heating of locomotive self configuration, shortcoming is that Preheating unit does not have automatic control system, and diesel consumption is comparatively large, needs personnel to monitor at any time simultaneously, otherwise just there will be " boiling "; Or adopt diesel engine running down to maintain locomotive temperature, shortcoming not only consumes a large amount of costs, need to carry out complete monitoring, unnecessary abrasion are also caused to other component simultaneously, reduce service life of equipment, above several preheating method in various degree there is shortcoming, particularly along with the change of smelter form, reduce energy consumption, reduce personnel, promoting automaticity has become necessary.
Existing internal combustion locomotive preheating scheme is all not suitable with low energy consumption under the existing form of smelter, cost of labor is low, automaticity is high demand, and also not have the mobile constant-temperature locomotive pre-heating device of comparatively maturation at present.Therefore, research and develop a kind of mobile constant-temperature locomotive Preheating unit to be necessary very much.
Summary of the invention
For the deficiencies in the prior art, the invention provides the internal combustion locomotive Preheating unit that a kind of portable automatic constant-temperature controls, it can not only reduce northern internal combustion locomotive pre-thermal energy consumption in winter, and can improve the pre-thermal efficiency of locomotive in winter.
The present invention solves the technological scheme that its technical problem takes: the internal combustion locomotive Preheating unit that a kind of portable automatic constant-temperature controls, comprise Preheating unit framework, it is characterized in that: also comprise heating cabinet, heating stick, temperature transducer, water supply valve, backwater valve, circulating water pump and pre-heating control device, described heating cabinet is arranged on the top of Preheating unit framework, heating cabinet is the containment housing of a built-in horizontal baffle, heating cabinet is divided into the exhalant region and backwater zone that are interconnected by described horizontal baffle, described heating stick and temperature transducer are all arranged on exhalant region, described exhalant region is connected with the water intake of internal combustion locomotive water circulation system by the outlet pipe being provided with water supply valve, described backwater zone is connected with the drain opening of internal combustion locomotive water circulation system by the return pipe being provided with backwater valve, described circulating water pump is arranged in the return pipe pipeline between backwater zone and backwater valve, described pre-heating control device is arranged on below heating cabinet, and pre-heating control device is electrically connected with heating stick, temperature transducer and circulating water pump respectively.
Preferably, described pre-heating control device comprises control box and the Intelligent temperature controller that is arranged in control box and A.C. contactor, and the signal input part of described Intelligent temperature controller is connected with temperature transducer, the coils connected in series of normally opened contact and A.C. contactor; First normally opened contact and second normally opened contact of described A.C. contactor are connected in the current supply circuit of heating stick and circulating water pump respectively.
Preferably, described pre-heating control device also comprises and is arranged on power supply indicator on control box casing and master control switch, and described master control switch-linear hybrid is in the main power circuit of Preheating unit.
Preferably, the bottom of described Preheating unit framework is provided with four universal wheelss.
Preferably, the top of described heating cabinet is provided with outlet valve.
Preferably, the bottom of described heating cabinet is provided with blowdown valve.
Preferably, described internal combustion locomotive water circulation system comprises locomotive radiator, diesel engine of locomotive water tank and heat exchanger, the water intake of described locomotive radiator is communicated with the exhalant region of heating cabinet, water outlet is communicated with the water intake of diesel engine of locomotive water tank, the described water outlet of diesel engine of locomotive water tank is communicated with the water intake of heat exchanger, and the drain opening of described heat exchanger is communicated with the backwater zone of heater; The water inlet of described locomotive radiator is provided with inlet valve, and the drain opening place of described heat exchanger is provided with water discharging valve.
Preferably, described internal combustion locomotive Preheating unit also comprises water supply rapid pipe joint and backwater rapid pipe joint, and described water supply rapid pipe joint is arranged between water supply valve and inlet valve, and described backwater rapid pipe joint is arranged between backwater valve and water discharging valve.
The invention has the beneficial effects as follows: the present invention instead of original locomotive by electric heating and plays machine running down and preboiler heating, opens a kind of new locomotive preheating mode, improves the pre-thermal efficiency of locomotive in winter, saved fuel cost; Utilize the design automatically controlled to instead of manual operation and save human cost; Can experimentally sum up out heater temperature of equilibrium point to reach the standard grade value in the temperature that Intelligent temperature controller arranges science, ensure that heater plays optimum efficiency; Heating cabinet have employed hot and cold water isolation design, decreases water flow to heating stick heating effect and the impact in working life, improves the efficiency of heating surface, and circulating water pump design, in water return pipeline, reduces high-temperature water to the impact of water pump.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is electrical schematic diagram of the present invention;
In figure, 1 Preheating unit framework, 2 heating cabinets, 201 horizontal baffles, 202 heating cabinet exhalant regions, 203 heating cabinet backwater zones, 3 heating sticks, 4 temperature transducers, 5 water supply valves, 6 backwater valves, 7 circulating water pump, 8 warm-up control dresses, 9 outlet valves, blowdown valve 10,11 universal wheels, 12 locomotive radiators, 13 diesel engine of locomotive water tanks, 14 heat exchangers, 15 inlet valves, 16 water discharging valves, 17 water supply rapid pipe joints, 18 backwater rapid pipe joints.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the present invention will be described in detail.Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.It should be noted that parts illustrated in the accompanying drawings are not necessarily drawn in proportion.Present invention omits the description of known assemblies and treatment technology and process to avoid unnecessarily limiting the present invention.
As depicted in figs. 1 and 2, the internal combustion locomotive Preheating unit that a kind of portable automatic constant-temperature of the present invention controls, comprise Preheating unit framework 1, heating cabinet 2, heating stick 3, temperature transducer 4, water supply valve 5, backwater valve 6, circulating water pump 7 and pre-heating control device 8, described heating cabinet 2 is arranged on the top of Preheating unit framework 1, 2m is parallel with internal combustion locomotive limp for height, pipeline is facilitated to connect, heating cabinet 2 is the containment housing of a built-in horizontal baffle 201, heating cabinet is divided into the exhalant region 202 and backwater zone 203 that are interconnected by described horizontal baffle 201, described heating stick 3 and temperature transducer 4 are all arranged on exhalant region 202, for heating circulating water and water temperature material, described exhalant region 202 is connected with the water intake of internal combustion locomotive water circulation system by the outlet pipe being provided with water supply valve 5, described backwater zone 203 is connected with the drain opening of internal combustion locomotive water circulation system by the return pipe being provided with backwater valve 6, described circulating water pump 7 is arranged in the return pipe pipeline between backwater zone and backwater valve, outlet pipe and return pipe all adopt length to be 0.6m diameter to be the sebific duct of 25mm, described pre-heating control device 8 is arranged on below heating cabinet 2, and pre-heating control device 2 is electrically connected with heating stick 3, temperature transducer 4 and circulating water pump 7 respectively, and height 1.7m, facilitates wiring and human users.The top of described heating cabinet 2 is provided with outlet valve 9, and avoid the formation of vapour lock for air in emptying water circulation, bottom is provided with blowdown valve 10, for clearing up heating cabinet; The bottom of described Preheating unit framework 1 is provided with four universal wheelss 11, can conveniently move by locational requirement.
Preferably, pre-heating control device 8 of the present invention comprises control box and the Intelligent temperature controller that is arranged in control box and A.C. contactor, the signal input part of described Intelligent temperature controller is connected with temperature transducer, the coils connected in series of normally opened contact and A.C. contactor; First normally opened contact and second normally opened contact of described A.C. contactor are connected in the current supply circuit of heating stick and circulating water pump respectively.Described pre-heating control device also comprises and is arranged on power supply indicator on control box casing and master control switch, and described master control switch-linear hybrid is in the main power circuit of Preheating unit.
Preferably, internal combustion locomotive water circulation system of the present invention comprises locomotive radiator 12, diesel engine of locomotive water tank 13 and heat exchanger 14, the water intake of described locomotive radiator 12 is communicated with the exhalant region of heating cabinet 2, water outlet is communicated with the water intake of diesel engine of locomotive water tank 13, the water outlet of described diesel engine of locomotive water tank 13 is communicated with the water intake of heat exchanger 14, and the drain opening of described heat exchanger 14 is communicated with the backwater zone of heater 2; The water inlet of described locomotive radiator 12 is provided with inlet valve 15, and the drain opening place of described heat exchanger 14 is provided with water discharging valve 16.
Preferably, described internal combustion locomotive Preheating unit also comprises water supply rapid pipe joint 17 and backwater rapid pipe joint 18, described water supply rapid pipe joint 17 is arranged between water supply valve and inlet valve, and described backwater rapid pipe joint 18 is arranged between backwater valve and water discharging valve.
Fig. 2 is electrical schematic diagram of the present invention, in figure, L1, L2, L3 and N are respectively the four-phase line of 380V ac power supply, and F1 is master control switch, and R is heating stick, KM is ac contactor coil, KM1, KM2 are the first normally opened contact and second normally opened contact of A.C. contactor, and WD is temperature transducer, and WDKZ is Intelligent temperature controller, AL2 is the normally opened contact of Intelligent temperature controller, ZD is power supply indicator, and S is circulation-water pump electric machine, and F2, F3 are circulating water pump test air-break switch.
As shown in Figure 2, this Preheating unit detects the temperature value in internal combustion locomotive water circulation system by Intelligent temperature controller WDKZ, according to the reference value (being set according to the actual requirements by technician) of setting, realize cold-starting, reach the out-of-work automatic control of temperature, the object of preheating in winter is realized with minimum cost consumption, not only simplicity of design, less input, and easy to use.
Prepare before starting, first the water supply fast connecting joint on Preheating unit and internal combustion locomotive and backwater fast connecting joint are connected, after connection, open four valves of rapid pipe joint both sides, then open the outlet valve on heating cabinet top, guarantee air in emptying water circulation, avoid the formation of vapour lock, finally the power socket of Preheating unit is inserted into 380V power supply place, workshop, master control of closing switch connection power supply.Switch on power, after closed master control switch F1, power supply indicator ZD is bright, display power supply is connected, pin 15,16 power connection of Intelligent temperature controller powers up simultaneously, whether disconnection air-break switch F2 also closes air-break switch F3, can work by test loop water pump S, is completed rear closed air-break switch F2 and disconnects air-break switch F3 to enter normal workflow.Water temperature signal in Preheating unit heating cabinet 1 is sent into 1,2 wiring in Intelligent temperature controller WDKZ by temperature transducer WD, Intelligent temperature controller WDKZ normally opened contact AL2 (11,12 wiring) connects A.C. contactor KM coil, when temperature controller detects reference value lower than setting of temperature value that WD inputs, normally opened contact AL2 closes, A.C. contactor KM coil obtains electric rear action, connect heating stick R and circulating water pump S power supply, heating stick R starts heating, and circulating water pump S starts periodic duty.
After switching on power, Preheating unit will have two kinds of operating modes: start operating performance and standby operating conditions.
Start operating performance, when temperature controller detects reference value lower than setting of temperature value that cooling-water temperature sensor WD inputs, export control AL2 to close, A.C. contactor KM coil obtains electric rear action, connect heating stick R and circulating water pump S power supply, heating stick R starts heating, and circulating water pump S starts periodic duty, heating stick is heated complete water and deliver to locomotive radiator sheet, water supply tank, all water system parts such as liquid biography oil heat exchanger, diesel engine etc., realize the raising gradually of water temperature.
Standby operating conditions, along with temperature rises, when heating the temperature inside the box higher than the reference value set, export control AL2 dead electricity to disconnect, disconnect after A.C. contactor KM coil losing electricity, heating stick R and circulating water pump S power supply disconnect, both quit work, system is in holding state, and now ambient temperature is lower, and water system temperature then slowly declines, because Preheating unit is outside locomotive, Preheating unit heats the temperature inside the box rate of descent and declines faster than intra-locomotive temperature, when temperature drops to after lower than established standards value, again carries out start operating performance.
Internal combustion locomotive in the winter time preheating adopts construction thermal keeping garage usually, or adopt the exhaust heat boiler heating of locomotive self configuration, or adopt diesel engine running down to maintain locomotive temperature, there is cost of investment larger, operate time is short, utilization ratio is low, the shortcomings such as cost of labor is high, be not suitable with the low energy consumption under the existing form of smelter, cost of labor is low, the demand that automaticity is high, the present invention instead of original locomotive by electric heating and plays machine running down and preboiler heating, open a kind of new locomotive preheating mode, improve the pre-thermal efficiency of locomotive in winter, save fuel cost, utilize the design automatically controlled to instead of manual operation and save human cost, can experimentally sum up out heater temperature of equilibrium point to reach the standard grade value in the temperature that Intelligent temperature controller arranges science, ensure that heater plays optimum efficiency, heating cabinet have employed hot and cold water isolation design, decreases water flow to heating stick heating effect and the impact in working life, improves the efficiency of heating surface, and circulating water pump design, in water return pipeline, reduces high-temperature water to the impact of water pump.
The above is the preferred embodiment of the present invention, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also regarded as protection scope of the present invention.
Claims (8)
1. the internal combustion locomotive Preheating unit of a portable automatic constant-temperature control, comprise Preheating unit framework, it is characterized in that: also comprise heating cabinet, heating stick, temperature transducer, water supply valve, backwater valve, circulating water pump and pre-heating control device, described heating cabinet is arranged on the top of Preheating unit framework, heating cabinet is the containment housing of a built-in horizontal baffle, heating cabinet is divided into the exhalant region and backwater zone that are interconnected by described horizontal baffle, described heating stick and temperature transducer are all arranged on exhalant region, described exhalant region is connected with the water intake of internal combustion locomotive water circulation system by the outlet pipe being provided with water supply valve, described backwater zone is connected with the drain opening of internal combustion locomotive water circulation system by the return pipe being provided with backwater valve, described circulating water pump is arranged in the return pipe pipeline between backwater zone and backwater valve, described pre-heating control device is arranged on below heating cabinet, and pre-heating control device is electrically connected with heating stick, temperature transducer and circulating water pump respectively.
2. the internal combustion locomotive Preheating unit of a kind of portable automatic constant-temperature control according to claim 1, it is characterized in that: described pre-heating control device comprises control box and the Intelligent temperature controller that is arranged in control box and A.C. contactor, the signal input part of described Intelligent temperature controller is connected with temperature transducer, the coils connected in series of normally opened contact and A.C. contactor; First normally opened contact and second normally opened contact of described A.C. contactor are connected in the current supply circuit of heating stick and circulating water pump respectively.
3. the internal combustion locomotive Preheating unit of a kind of portable automatic constant-temperature control according to claim 2, it is characterized in that: described pre-heating control device also comprises and is arranged on power supply indicator on control box casing and master control switch, and described master control switch-linear hybrid is in the main power circuit of Preheating unit.
4. the internal combustion locomotive Preheating unit of a kind of portable automatic constant-temperature control according to claim 1, is characterized in that: the bottom of described Preheating unit framework is provided with four universal wheelss.
5. the internal combustion locomotive Preheating unit of a kind of portable automatic constant-temperature control according to claim 1, is characterized in that: the top of described heating cabinet is provided with outlet valve.
6. the internal combustion locomotive Preheating unit of a kind of portable automatic constant-temperature control according to claim 1, is characterized in that: the bottom of described heating cabinet is provided with blowdown valve.
7. the internal combustion locomotive Preheating unit that a kind of portable automatic constant-temperature according to any one of claim 1 to 6 controls, it is characterized in that: described internal combustion locomotive water circulation system comprises locomotive radiator, diesel engine of locomotive water tank and heat exchanger, the water intake of described locomotive radiator is communicated with the exhalant region of heating cabinet, water outlet is communicated with the water intake of diesel engine of locomotive water tank, the described water outlet of diesel engine of locomotive water tank is communicated with the water intake of heat exchanger, and the drain opening of described heat exchanger is communicated with the backwater zone of heater; The water inlet of described locomotive radiator is provided with inlet valve, and the drain opening place of described heat exchanger is provided with water discharging valve.
8. the internal combustion locomotive Preheating unit of a kind of portable automatic constant-temperature control according to claim 7, it is characterized in that: also comprise water supply rapid pipe joint and backwater rapid pipe joint, described water supply rapid pipe joint is arranged between water supply valve and inlet valve, and described backwater rapid pipe joint is arranged between backwater valve and water discharging valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114916.4A CN104747342A (en) | 2015-03-16 | 2015-03-16 | Movable internal combustion locomotive preheating device with automatic constant-temperature control function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510114916.4A CN104747342A (en) | 2015-03-16 | 2015-03-16 | Movable internal combustion locomotive preheating device with automatic constant-temperature control function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105736208A (en) * | 2016-03-15 | 2016-07-06 | 资阳晨风天勤科技有限公司 | Electrical heating preheating device |
| CN106401743A (en) * | 2016-08-26 | 2017-02-15 | 陆春宝 | Automatic heat preservation system for diesel engine |
| CN107313888A (en) * | 2017-08-15 | 2017-11-03 | 郑州铁路职业技术学院 | Diesel locomotive pre-heating system |
| CN108506137A (en) * | 2018-04-23 | 2018-09-07 | 江苏柳工机械有限公司 | Portable engine heating device |
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Application publication date: 20150701 |