CN113090431B - Fuel oil heating starting control system and method for generator set - Google Patents
Fuel oil heating starting control system and method for generator set Download PDFInfo
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- CN113090431B CN113090431B CN202110494631.3A CN202110494631A CN113090431B CN 113090431 B CN113090431 B CN 113090431B CN 202110494631 A CN202110494631 A CN 202110494631A CN 113090431 B CN113090431 B CN 113090431B
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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
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
- F02B29/0456—Air cooled heat exchangers
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- 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
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
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- 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
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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
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/125—Fuel
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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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a fuel oil heating start control system and a fuel oil heating start control method for a generator set, and the fuel oil heating start control system comprises a fuel oil supply pipe, a booster pump, a bearing rack, a bearing bracket, a heat exchange pipe, an air vortex pipe and a booster fan, wherein the bearing bracket is connected with the upper end face of the bearing rack, the heat exchange pipe is embedded in the bearing rack, the fuel oil supply pipe wraps the outside of the heat exchange pipe, at least one end of the fuel oil supply pipe is communicated with the booster pump, the air vortex pipe is embedded in the bearing rack, and the air inlet end of the air vortex pipe is communicated with the air outlet of the heat exchange pipe through the booster fan. The using method comprises three steps of system assembly, operation parameter setting, preheating and power generation and the like. On one hand, the invention can effectively meet the requirement of being matched with various generator set equipment for use; on the other hand, when the fuel oil is effectively preheated, the temperature of the generator set can be effectively reduced and adjusted, the operation energy consumption of the temperature adjustment operation is low, the equipment operation and maintenance cost is low, and the difficulty is small.
Description
Technical Field
The invention relates to a fuel oil heating starting control system and method for a generator set, and belongs to the technical field of communication.
Background
At present, the mobile power generation system is operated, the requirement of driving power generation operation is usually achieved through the matching operation of an internal combustion engine and a generator, although the requirement of use can be met, in practical use, when the temperature of the external environment is lower, the internal combustion engine of the power generation system is very easy to start due to too low oil temperature of oil supply, and the operation efficiency of power generation operation is low due to too low temperature of the internal combustion engine in a long time after starting; on the other hand, the oil supply pipeline is easy to be blocked due to too low temperature, especially when diesel oil or heavy oil is used as driving fuel oil, the phenomenon is more serious, and in order to solve the problem, at present, the power generation operation can be performed mainly by adding an electric heating device to the power generation system or heating the power generation system through an external heat source, so that the stability, flexibility and reliability of the operation of the current mobile power generation system are relatively poor, and meanwhile, the operation cost of the generator set equipment in a low-temperature state is high, the equipment structure is relatively complex, and the use and maintenance difficulty is high.
Meanwhile, in the operation process of the traditional power generation system, a cooling system is often additionally required to be arranged for cooling the generator and the internal combustion engine driving the generator to operate, so that the operation faults of the generator and the internal combustion engine caused by overhigh temperature are prevented, and the complexity, the difficulty in use and maintenance and the cost of the current power generation system equipment are further relatively high.
Therefore, in order to solve the problem, a brand-new generator preheating system and a use method thereof are urgently needed to be developed so as to meet the actual use requirement.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a generating set fuel oil heating starting control system and a method thereof.
A fuel oil heating start control system of a generator set comprises a fuel oil supply pipe, a booster pump, a bearing rack, a bearing bracket, a heat exchange pipe, an air vortex pipe, a booster fan and a start control circuit, wherein the bearing rack is of a frame structure with a rectangular axial cross section, the bearing bracket is of a plate-shaped structure with an axis parallel to the axis of the bearing rack and is connected with the upper end face of the bearing rack, the heat exchange pipe is embedded in the bearing rack and is coaxially distributed with the bearing rack, at least one fuel oil supply pipe covers the outside of the heat exchange pipe and is distributed along the axis direction of the heat exchange pipe, at least one end of the fuel oil supply pipe is communicated with the booster pump, the air vortex pipe is embedded in the bearing rack and is connected with the bottom of the bearing rack, the air inlet end of the air vortex pipe is communicated with an exhaust port through the booster fan, and the start control circuit comprises a driving circuit, an operation interface, a communication circuit, a voltage stabilizing power supply, a temperature sensor and a temperature sensor, The flow pressure sensor, wherein drive circuit, control interface and constant voltage power supply are connected with bearing the frame, control the interface and inlay in bearing the frame surface, temperature sensor, flow pressure sensor are connected with fuel supply pipe and heat exchange tube, air vortex tube pipe wall respectively, drive circuit respectively with control interface, communication circuit, constant voltage power supply, temperature sensor, flow pressure sensor, booster pump, booster fan and generator control circuit electrical connection, wherein communication circuit sets up data connection in addition between with outside communication network and the generator control circuit.
Furthermore, the driving circuit comprises a data processing circuit based on an FPGA chip, a PID arithmetic circuit, a data communication bus, a crystal oscillator clock circuit, a data cache circuit, an MOS driving circuit, a power regulating circuit based on an IGBT, a relay control circuit and an electronic switch circuit based on a thyristor, wherein the data processing circuit and the PID arithmetic circuit are connected in parallel through the data cache circuit, the data processing circuit and the PID arithmetic circuit are respectively connected with the data communication bus and the crystal oscillator clock circuit, the data communication bus is respectively and electrically connected with the crystal oscillator clock circuit, the data cache circuit and the MOS driving circuit, the data communication bus is also in data connection with the communication circuit, the MOS driving circuit is respectively and electrically connected with the power regulating circuit based on the IGBT, the relay control circuit and the electronic switch circuit based on the thyristor, the power regulating circuit based on the IGBT, the electronic switch circuit based on the crystal oscillator clock circuit and the thyristor, The relay control circuit and the electronic switch circuit based on the thyristor are respectively and electrically connected with the booster pump, the booster fan and the generator control circuit.
Furthermore, the communication circuit comprises any one of a serial communication circuit, an optical fiber communication circuit based on a photoelectric conversion communication circuit and a parallel communication circuit and any one of several kinds of shared communication circuits and several kinds of shared communication circuits.
Furthermore, the two end faces of the fuel supply pipe are provided with filters, the filters are respectively connected with the outer surface of the bearing frame and electrically connected with the starting control circuit, the pipe diameter of the fuel supply pipe is 1/10-1/5 of the pipe diameter of the heat exchange pipe and distributed in a spiral structure around the axis of the heat exchange pipe, the length of the fuel supply pipe is at least 1.5 times of that of the heat exchange pipe, and the caliber of the oil inlet end of the fuel supply pipe is 1.5-5 times of that of the oil outlet end.
Further, the heat exchange tube including bear seat, metal water conservancy diversion body, heat transfer fin, electrical heating mechanism, metal water conservancy diversion body is the hollow tubular column structure of cylinder, its lower terminal surface through a plurality of bear the seat with bear the frame and be connected, and respectively bear the seat along metal water conservancy diversion axis direction equipartition, electrical heating mechanism is a plurality of, and each electrical heating mechanism is parallel and connected each other and with start control circuit electrical connection, just electrical heating mechanism and metal water conservancy diversion body lateral wall internal surface connection and along metal water conservancy diversion axis direction equipartition, heat transfer fin and metal water conservancy diversion axis vertical distribution to it is heliciform structural distribution to encircle metal water conservancy diversion axis, and the heat transfer fin is in addition 0-5 millimeters with fuel supply outside of tubes side interval.
Furthermore, the electric heating mechanism comprises a hard insulating block and an electric heating wire, wherein the hard insulating block is a closed annular structure which is coaxially distributed with the metal flow guide pipe body, the outer side surface of the hard insulating block is connected with the inner surface of the metal flow guide pipe body, the inner side surface of the hard insulating block is provided with a positioning groove with a U-shaped cross section, and at least one electric heating wire is embedded in the positioning groove and is of a closed annular structure which is coaxially distributed with the hard insulating block.
Furthermore, the booster pump and the booster fan are both connected with the bearing frame, and when the two ends of the fuel supply pipe are both communicated with the booster pump, the oil supply pressure of the booster pump at the oil inlet end of the fuel supply pipe is 1.1-1.5 times of the oil supply pressure of the booster pump at the oil outlet end of the fuel supply pipe.
Furthermore, the bearing bracket is connected with the bearing rack through an adjusting bolt, the bearing bracket is provided with at least one connecting pipe head, and the connecting pipe head is communicated with a low-temperature airflow port of the air vortex tube through a flow guide tube; the bearing bracket is any one of a U-shaped groove-shaped structure and a U-shaped plate-shaped structure in cross section.
A use method of a fuel oil heating starting control system of a generator set comprises the following steps:
s1, assembling a system, namely assembling a fuel oil supply pipe, a booster pump, a bearing frame, a bearing bracket, a heat exchange pipe, an air vortex tube, a booster fan and a start control circuit, mounting the bearing frame on a bearing structure of a generator system, communicating the fuel oil supply pipe with a fuel oil supply pipeline of an oil tank and a fuel oil treatment pipeline of an internal combustion engine of the generator system through the booster pump, communicating the generator system with the upper end face of the bearing bracket, communicating a cooling system of the generator system with a low-temperature airflow port of the air vortex tube through a connecting pipe head on the bearing bracket, and finally electrically connecting the start control circuit with a main control circuit of the generator system, and establishing data connection with a data acquisition circuit and a remote monitoring system of the generator system through a communication network;
s2, setting operation parameters, and after the step S1 is completed, setting corresponding relations among fuel oil supply pressure, fuel oil supply quantity and power generation power of the generator system on the one hand through starting a control circuit; on the other hand, the temperature difference between the fuel supply temperature and the ambient temperature is set;
s3, preheating and generating power, after assembling in the step S1, firstly, simultaneously driving a start control circuit and a main control circuit of a generator system to operate, enabling an internal combustion engine of the generator system to be in an operating state, enabling an external fuel system to supply oil to the internal combustion engine, when the oil is supplied, firstly, detecting the temperature of a current oil supply pipeline through temperature sensors on a heat exchange pipe and a fuel oil supply pipe, then driving a booster fan to operate, conveying the boosted airflow into an air vortex pipe, processing the airflow through the air vortex pipe to obtain high-temperature airflow and low-temperature airflow, then conveying the high-temperature airflow into the heat exchange pipe to realize heating operation on the heat exchange pipe, and finally, after the temperature of the airflow in the heat exchange pipe reaches the temperature set in the step S2 through the temperature sensor in the heat exchange pipe, driving a booster pump to boost the fuel oil and conveying the boosted fuel oil to the fuel oil supply pipe, the fuel oil flows through the fuel oil supply pipe and exchanges heat with the heat exchange pipe, so that the fuel oil is preheated, the preheated fuel oil is conveyed to the internal combustion engine of the generator system, when the fuel oil is conveyed to the internal combustion engine of the generator system, the power of the power generation operation of the generator system is obtained from the main control circuit of the generator system through the starting control circuit, and then the fuel oil supply pressure and the fuel oil quantity passing through the fuel oil supply pipe are adjusted through the booster pump, so that the requirement of the fuel oil supply operation is met.
The invention has good universality, can effectively meet the requirement of being matched with various generator set equipment for use, and can effectively realize the improvement of the stability and the environmental adaptability of the operation of the generator set equipment; in addition, the invention detects the temperature of the current oil supply pipeline through the temperature sensors on the heat exchange pipe and the fuel oil supply pipe, obtains high-temperature air flow and low-temperature air flow after the air flow is processed through the air vortex pipe, realizes the preheating operation of the fuel oil, conveys the preheated fuel oil to the internal combustion engine of the generator system, obtains the power of the power generation operation of the generator system from the main control circuit of the generator system through the starting control circuit when the fuel oil is conveyed to the internal combustion engine of the generator system, then adjusts the fuel oil supply pressure and the fuel oil quantity through the fuel oil supply pipe through the booster pump, can effectively cool and regulate the temperature of the generator set while effectively realizing the preheating operation of the fuel oil, has low energy consumption of the temperature regulation operation, low equipment operation and maintenance cost and small difficulty, thereby greatly improving the operation stability of the power generation system, in addition, the energy consumption and the cost of the operation of the power generation system can be reduced.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of a cross-sectional partial structure of a heat exchange tube;
FIG. 3 is a schematic diagram of the electrical schematic structure of the driving circuit;
FIG. 4 is a schematic flow chart of the method of the present invention.
The reference numbers in the figures: the device comprises a fuel oil supply pipe 1, a booster pump 2, a bearing frame 3, a bearing bracket 4, a heat exchange pipe 5, an air vortex tube 6, a booster fan 7, a starting control circuit 8, a filter 9, an adjusting bolt 10, a connector 11, a driving circuit 81, an operation interface 82, a communication circuit 83, a stabilized voltage power supply 84, a temperature sensor 85, a flow pressure sensor 86, a bearing seat 51, a metal guide pipe body 52, a heat exchange fin 53, an electric heating mechanism 54, a hard insulating block 541, an electric heating wire 542 and a positioning groove 543.
Detailed Description
In order to facilitate the implementation of the technical means, creation features, achievement of the purpose and the efficacy of the invention, the invention is further described below with reference to specific embodiments.
Referring to fig. 1, a fuel oil heating start control system of a generator set comprises a fuel oil supply pipe 1, a booster pump 2, a bearing frame 3, a bearing bracket 4, a heat exchange pipe 5, an air vortex pipe 6, a booster fan 7 and a start control circuit 8, wherein the bearing frame 3 is a frame structure with a rectangular axial section, the bearing bracket 4 is a plate-shaped structure with the axis parallel to the axis of the bearing frame 3, and is connected with the upper end surface of the bearing frame 3, the heat exchange tube 5 is embedded in the bearing frame 3 and is distributed coaxially with the bearing frame 3, at least one fuel oil supply tube 1 covers the heat exchange tube 5 and is distributed along the axial direction of the heat exchange tube 5, and at least one end of the air vortex tube is communicated with the booster pump 2, the air vortex tube 6 is embedded in the bearing rack 3 and is connected with the bottom of the bearing rack 3, and the air inlet end of the air vortex tube 6 is communicated with the air outlet of the heat exchange tube 5 through the booster fan 7.
The starting control circuit 8 comprises a driving circuit 81, an operation interface 82, a communication circuit 83, a stabilized voltage power supply 84, a temperature sensor 85 and a flow pressure sensor 86, wherein the driving circuit 81, the operation interface 82 and the stabilized voltage power supply 84 are connected with the bearing rack 3, the operation interface 82 is embedded on the outer surface of the bearing rack 3, the temperature sensor 85 and the flow pressure sensor 86 are respectively connected with the pipe walls of the fuel supply pipe 1, the heat exchange pipe 5 and the air vortex tube 6, the driving circuit 81 is respectively electrically connected with the operation interface 82, the communication circuit 83, the stabilized voltage power supply 84, the temperature sensor 85, the flow pressure sensor 86, the booster pump 2, the booster fan 7 and a generator control circuit, and the communication circuit 83 is additionally connected with an external communication network and the generator control circuit through data. The control interface 82 is formed by any one or more of a wiring terminal, a display, a signal indicator lamp, a key switch and a keyboard. The communication circuit 83 is any one of a wireless communication network and an online communication network, and includes any one of a serial communication circuit, an optical fiber communication circuit based on a photoelectric conversion communication circuit, and a parallel communication circuit, and shares several of them. Regulated power supply 84 is a multi-path dc regulated power supply.
The booster pump 2 and the booster fan 7 are both connected with the bearing frame 3, wherein when the two ends of the fuel supply pipe 1 are both communicated with the booster pump 2, the oil supply pressure of the booster pump 2 at the oil inlet end of the fuel supply pipe 1 is 1.1-1.5 times of the oil supply pressure of the booster pump 2 at the oil outlet end of the fuel supply pipe 1. The bearing bracket 4 is connected with the bearing rack 3 through an adjusting bolt 10, at least one connecting pipe head 11 is arranged on the bearing bracket 4, and the connecting pipe head 11 is communicated with a low-temperature airflow port of the air vortex tube 6 through a flow guide tube; the bearing bracket 4 is any one of a U-shaped groove-shaped structure and a U-shaped groove-shaped structure with a rectangular plate-shaped cross section.
The filter 9 is arranged on the two end faces of the fuel supply pipe 1, the filter 9 is respectively connected with the outer surface of the bearing frame 3 and electrically connected with the starting control circuit 8, the pipe diameter of the fuel supply pipe 1 is 1/10-1/5 of the pipe diameter of the heat exchange pipe 5 and distributed in a spiral structure around the axis of the heat exchange pipe 5, the length of the fuel supply pipe 1 is at least 1.5 times of the length of the heat exchange pipe 5, and the caliber of the oil inlet end of the fuel supply pipe 1 is 1.5-5 times of the caliber of the oil outlet end.
Referring to fig. 2, the electric heating mechanism 54 includes a rigid insulating block 541 and heating wires 542, the rigid insulating block 541 is a closed ring structure coaxially distributed with the metal guiding tube 52, the outer side surface thereof is connected with the inner surface of the metal guiding tube 52, the inner side surface thereof is provided with a positioning groove 543 with a u-shaped cross section, and at least one heating wire 542 is embedded in the positioning groove 543 and is a closed ring structure coaxially distributed with the rigid insulating block 541.
The heat exchange tube 5 is including bearing seat 51, metal water conservancy diversion body 52, heat transfer fin 53, electrical heating mechanism 54, metal water conservancy diversion body 52 is the hollow tubular pile structure of cylinder, and its lower terminal surface bears seat 51 through a plurality of and bears frame 3 and be connected, and respectively bears seat 51 along the equipartition of metal water conservancy diversion body 52 axis direction, electrical heating mechanism 54 is a plurality of, and each electrical heating mechanism 54 is interconnected and with 8 electrical connection of start control circuit, just electrical heating mechanism 54 and 52 lateral wall internal surface connections of metal water conservancy diversion body and along the equipartition of metal water conservancy diversion body 52 axis direction, heat transfer fin 53 and the perpendicular distribution of metal water conservancy diversion body 52 axis to it is the heliciform structural distribution to encircle metal water conservancy diversion body 52 axis, and heat transfer fin 53 in addition and 1 lateral surface interval of fuel supply pipe are 0-5 millimeters.
Referring to fig. 3, the driving circuit 81 includes a data processing circuit based on an FPGA chip, a PID operation circuit, a data communication bus, a crystal oscillator clock circuit, a data buffer circuit, a MOS driving circuit, a power regulation circuit based on an IGBT, a relay control circuit, and an electronic switch circuit based on a thyristor, the data processing circuit and the PID operation circuit are connected in parallel through the data buffer circuit, and the data processing circuit and the PID operation circuit are respectively connected to the data communication bus and the crystal oscillator clock circuit, the data communication bus is respectively and electrically connected to the crystal oscillator clock circuit, the data buffer circuit, and the MOS driving circuit, and the data communication bus is also in data connection with the communication circuit 83, the MOS driving circuit is respectively and electrically connected to the power regulation circuit based on an IGBT, the relay control circuit, and the electronic switch circuit based on a thyristor, the power regulation circuit based on an IGBT, The relay control circuit and the electronic switch circuit based on the thyristor are respectively and electrically connected with the booster pump 2, the booster fan 7 and the generator control circuit.
As shown in FIG. 4, a method for using a fuel warming start control system of a generator set comprises the following steps:
s1, assembling the system, namely, firstly assembling the fuel supply pipe 1, the booster pump 2, the bearing frame 3, the bearing bracket 4, the heat exchange pipe 5, the air vortex tube 6, the booster fan 7 and the start control circuit 8, installing the bearing frame 3 on a bearing structure of the generator system, then the fuel supply pipe 1 is respectively communicated with the fuel supply pipe 1 of the fuel tank and the fuel processing pipeline of the internal combustion engine of the generator system through a booster pump 2, meanwhile, the generator system is communicated with the upper end surface of the bearing bracket 4, the cooling system of the generator system is communicated with the low-temperature airflow port of the air vortex tube 6 through the connector 11 on the bearing bracket 4, and finally the start control circuit 8 is electrically connected with the main control circuit of the generator system, meanwhile, data connection is established between the data acquisition circuit of the generator system and the remote monitoring system through a communication network;
s2, setting operation parameters, and after the step S1 is completed, setting corresponding relations among fuel oil supply pressure, fuel oil supply quantity and power generation power of the generator system through the starting control circuit 8; on the other hand, the temperature difference between the fuel supply temperature and the ambient temperature is set;
s3, preheating and generating electricity, after assembling in the step S1, firstly, simultaneously driving the start control circuit 8 and the main control circuit of the generator system to operate, enabling the internal combustion engine of the generator system to be in an operating state, enabling an external fuel system to supply oil to the internal combustion engine, when the oil is supplied, firstly, detecting the temperature of the current oil supply pipeline through the heat exchange tube 5 and the temperature sensor 85 on the fuel supply tube 1, then driving the booster fan 7 to operate, conveying the boosted airflow into the air vortex tube 6, processing the airflow through the air vortex tube 6 to obtain high-temperature airflow and low-temperature airflow, then conveying the high-temperature airflow into the heat exchange tube 5, realizing the heating operation of the heat exchange tube 5, finally, after the temperature of the airflow in the heat exchange tube 5 reaches the temperature set in the step S2 through the temperature sensor 85 in the heat exchange tube 5, driving the booster pump 2 to boost the fuel and conveying the boosted fuel into the fuel supply tube 1, when the fuel oil flows through the fuel oil supply pipe 1, the fuel oil and the heat exchange pipe 5 are subjected to heat exchange operation, the fuel oil is preheated, the preheated fuel oil is conveyed to an internal combustion engine of a generator system, and when the fuel oil is conveyed to the internal combustion engine of the generator system, the power of the generator system for generating electricity is obtained from a main control circuit of the generator system through the starting control circuit 8, and then the fuel oil supply pressure and the fuel oil quantity of the fuel oil supply pipe 1 are adjusted through the booster pump 2, so that the requirement of the oil supply operation is met.
This is novel in service, and when ambient temperature was lower, the air also was lower relatively in the heat exchange tube 5, when drive air vortex tube 6 was moved, the air in heat exchange tube 5 was preheated to the electric heating mechanism 54 in the accessible heat exchange tube 5 in addition to the air through preheating assists the work efficiency who improves the operation that adjusts the temperature of air vortex tube 6.
Meanwhile, due to the operating characteristics of the air vortex tube 6, the input air flow is divided to obtain high-temperature air flow with a temperature higher than that of the input end and low-temperature air flow with a temperature lower than that of the input end, so that on one hand, the fuel oil is preheated through the high-temperature air flow; on the other hand, the forced cooling operation is carried out on the generator system during operation through the low-temperature airflow, the power generation system fault caused by the overhigh operation temperature of the power generation system is prevented, and the structure of the cooling and temperature adjusting system of the traditional power generation system and the operation energy consumption of cooling and temperature adjusting can be simplified.
The invention detects the temperature of the current oil supply pipeline through the temperature sensors on the heat exchange pipe and the fuel oil supply pipe, obtains high-temperature airflow and low-temperature airflow after processing the airflow through the air vortex pipe, realizes the preheating operation of the fuel oil, conveys the preheated fuel oil to the internal combustion engine of the generator system, obtains the power of the power generation operation of the generator system from the main control circuit of the generator system through the starting control circuit when the fuel oil is conveyed to the internal combustion engine of the generator system, then adjusts the fuel oil supply pressure and the fuel oil quantity through the fuel oil supply pipe through the booster pump, can effectively cool and regulate the temperature of the generator set while effectively realizing the preheating operation of the fuel oil, has low energy consumption of the operation of the temperature regulation operation, low cost of the operation and maintenance of the equipment and small difficulty, greatly improves the operation stability of the power generation system, in addition, the energy consumption and the cost of the operation of the power generation system can be reduced.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a generating set fuel start control system that heats which characterized in that: the device comprises a fuel oil supply pipe (1), a booster pump (2), a bearing rack (3), a bearing bracket (4), a heat exchange pipe (5), an air vortex pipe (6), a booster fan (7) and a start control circuit (8), wherein the bearing bracket (4) is a platy structure with axes distributed in parallel with the axis of the bearing rack (3) and is connected with the upper end face of the bearing rack (3), the heat exchange pipe (5) is embedded in the bearing rack (3) and is coaxially distributed with the bearing rack (3), at least one fuel oil supply pipe (1) is coated outside the heat exchange pipe (5) and is distributed along the axis direction of the heat exchange pipe (5), at least one end of the fuel oil supply pipe is communicated with the booster pump (2), the air vortex pipe (6) is embedded in the bearing rack (3) and is connected with the bottom of the bearing rack (3), and the air inlet end of the air vortex pipe (6) is communicated with the exhaust port of the heat exchange pipe (5) through the booster fan (7), the starting control circuit (8) comprises a driving circuit (81), an operation interface (82), a communication circuit (83), a stabilized voltage power supply (84), a temperature sensor (85) and a flow pressure sensor (86), the driving circuit (81), the operation interface (82) and the stabilized voltage power supply (84) are connected with the bearing rack (3), the operation interface (82) is embedded on the outer surface of the bearing rack (3), the temperature sensor (85) and the flow pressure sensor (86) are respectively connected with the fuel supply pipe (1), the heat exchange pipe (5) and the pipe wall of the air vortex pipe (6), the driving circuit (81) is respectively electrically connected with the operation interface (82), the communication circuit (83), the stabilized voltage power supply (84), the temperature sensor (85), the flow pressure sensor (86), the booster pump (2), the booster fan (7) and the generator control circuit, the communication circuit (83) is further in data connection with an external communication network and the generator control circuit.
2. The fuel warming start control system of the generator set according to claim 1, characterized in that: the drive circuit (81) comprises a data processing circuit based on an FPGA chip, a PID operation circuit, a data communication bus, a crystal oscillator clock circuit, a data cache circuit, an MOS drive circuit, a power regulation circuit based on an IGBT, a relay control circuit and an electronic switch circuit based on a thyristor, wherein the data processing circuit and the PID operation circuit are connected in parallel through the data cache circuit, the data processing circuit and the PID operation circuit are respectively connected with the data communication bus and the crystal oscillator clock circuit, the data communication bus is respectively and electrically connected with the crystal oscillator clock circuit, the data cache circuit and the MOS drive circuit, the data communication bus is also in data connection with the communication circuit (83), the MOS drive circuit is respectively and electrically connected with the power regulation circuit based on the IGBT, the relay control circuit and the electronic switch circuit based on the thyristor, and the power regulation circuit based on the IGBT is respectively and electrically connected with the power regulation circuit based on the IGBT, the relay control circuit and the electronic switch circuit based on the thyristor, The relay control circuit and the electronic switch circuit based on the thyristor are respectively and electrically connected with the booster pump (2), the booster fan (7) and the generator control circuit.
3. The fuel warming start control system of the generator set according to claim 1 or 2, characterized in that: the communication circuit (83) comprises one or more of a serial port communication circuit, an optical fiber communication circuit based on a photoelectric conversion communication circuit and a parallel port communication circuit.
4. The fuel warming start control system of the generator set according to claim 1, characterized in that: the fuel feed pipe (1) both ends face position all establish filter (9), and filter (9) respectively with bear frame (3) surface connection and with start control circuit (8) electrical connection, fuel feed pipe (1) pipe diameter is 1/10-1/5 of heat exchange tube (5) pipe diameter to it is the distribution of heliciform structure to encircle heat exchange tube (5) axis, and fuel feed pipe (1) length is at least 1.5 times of heat exchange tube (5) length, the inlet end bore of fuel feed pipe (1) is 1.5-5 times of outlet end bore.
5. The fuel warming start control system of the generator set according to claim 1, characterized in that: the heat exchange tube (5) comprises a bearing seat (51), a metal flow guide tube body (52), a heat exchange fin plate (53) and an electric heating mechanism (54), wherein the metal flow guide tube body (52) is of a cylindrical hollow tubular pile structure, the lower end surface of the water guide pipe is connected with a bearing frame (3) through a plurality of bearing seats (51), and the bearing seats (51) are uniformly distributed along the axial direction of the metal water guide pipe body (52), a plurality of electric heating mechanisms (54), wherein the electric heating mechanisms (54) are mutually connected in parallel and are electrically connected with the starting control circuit (8), the electric heating mechanisms (54) are connected with the inner surface of the side wall of the metal guide pipe body (52) and are uniformly distributed along the axial direction of the metal guide pipe body (52), the heat exchange fin plate (53) is vertically distributed with the axis of the metal guide pipe body (52), and is distributed in a spiral structure around the axis of the metal guide pipe body (52), and the interval between the heat exchange fin plate (53) and the outer side surface of the fuel oil supply pipe (1) is 0-5 mm.
6. The fuel warming start control system of the generator set according to claim 5, characterized in that: the electric heating mechanism (54) comprises a hard insulating block (541) and heating wires (542), the hard insulating block (541) is a closed ring-shaped structure which is coaxially distributed with the metal guide pipe body (52), the outer side surface of the hard insulating block (541) is connected with the inner surface of the metal guide pipe body (52), the inner side surface of the hard insulating block is provided with a positioning groove (543) with a U-shaped cross section, and at least one heating wire (542) is embedded in the positioning groove (543) and is a closed ring-shaped structure which is coaxially distributed with the hard insulating block (541).
7. The fuel warming start control system of the generator set according to claim 1, characterized in that: booster pump (2) and booster fan (7) all be connected with bearing frame (3), wherein when fuel feed pipe (1) both ends all communicate with booster pump (2), booster pump (2) oil feed pressure of fuel feed pipe (1) oil feed end is 1.1-1.5 times of fuel feed pressure of fuel feed pipe (1) play oil end booster pump (2).
8. The fuel warming start control system of the generator set according to claim 1, characterized in that: the bearing bracket (4) is connected with the bearing rack (3) through an adjusting bolt (10), at least one connecting pipe head (11) is arranged on the bearing bracket (4), and the connecting pipe head (11) is communicated with a low-temperature airflow opening of the air vortex tube (6) through a flow guide tube; the bearing bracket (4) is any one of a U-shaped groove-shaped structure with a rectangular plate-shaped cross section.
9. The use method of the fuel warming start control system of the generator set according to claim 1 is characterized by comprising the following steps:
s1, system assembly, firstly assembling the fuel oil supply pipe (1), the booster pump (2), the bearing rack (3), the bearing bracket (4), the heat exchange pipe (5), the air vortex tube (6), the booster fan (7) and the start control circuit (8), installing the bearing rack (3) on a bearing structure of a generator system, then respectively communicating the fuel oil supply pipe (1) with a fuel oil supply pipeline of an oil tank and a fuel oil processing pipeline of an internal combustion engine of the generator system through the booster pump (2), simultaneously communicating the generator system with the upper end face of the bearing bracket (4), simultaneously communicating a cooling system of the generator system with a low-temperature airflow port of the air vortex tube (6) through a connecting tube head (11) on the bearing bracket (4), finally electrically connecting the start control circuit (8) with a main control circuit of the generator system, and simultaneously establishing a data connection between a data acquisition circuit of the generator system and a remote monitoring system through a communication network Connecting;
s2, setting operation parameters, and after the step S1 is completed, setting corresponding relations among fuel oil supply pressure, fuel oil supply quantity and power generation power of the generator system on the one hand through a starting control circuit (8); on the other hand, the temperature difference between the fuel supply temperature and the ambient temperature is set;
s3, preheating for power generation, after assembling in the step S1, firstly, simultaneously driving a starting control circuit (8) and a main control circuit of a generator system to operate, enabling an internal combustion engine of the generator system to be in an operating state, enabling an external fuel system to supply fuel to the internal combustion engine, when the fuel is supplied, firstly, detecting the temperature of a current fuel supply pipeline through a heat exchange tube (5) and a temperature sensor (85) on a fuel supply tube (1), then driving a booster fan (7) to operate, conveying the boosted airflow into an air vortex tube (6), processing the airflow through the air vortex tube (6) to obtain high-temperature airflow and low-temperature airflow, then conveying the high-temperature airflow into the heat exchange tube (5), realizing the heating operation of the heat exchange tube (5), and finally, after the temperature of the airflow in the heat exchange tube (5) reaches the temperature set in the step S2 through the temperature sensor (85) in the heat exchange tube (5), the booster pump (2) is driven to boost the fuel and convey the boosted fuel to the fuel supply pipe (1), so that the fuel can perform heat exchange operation with the heat exchange pipe (5) when flowing through the fuel supply pipe (1), preheating operation of the fuel is realized, the preheated fuel is conveyed to an internal combustion engine of the generator system, and when the fuel is conveyed to the internal combustion engine of the generator system again, the power of the power generation operation of the generator system is obtained from a main control circuit of the generator system through the starting control circuit (8), and then the fuel supply pressure and the fuel quantity of the fuel passing through the fuel supply pipe (1) are adjusted through the booster pump (2), so that the requirement of the fuel supply operation is met.
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| CN114233551A (en) * | 2021-11-26 | 2022-03-25 | 北京机械设备研究所 | Starting device, thermal management system and method of internal combustion generator set |
| CN114675625A (en) * | 2022-03-21 | 2022-06-28 | 潍柴动力股份有限公司 | Controller control method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4984555A (en) * | 1989-07-14 | 1991-01-15 | Huang Kuo Liang | Diesel engine fuel pipeline heating device |
| KR20080051885A (en) * | 2006-12-07 | 2008-06-11 | 현대자동차주식회사 | An apparatus for dividing for fuel and water in diesel oil |
| CN201318241Y (en) * | 2008-12-05 | 2009-09-30 | 福建泰德机械工业有限公司 | Multinomial preheating system of diesel generator group |
| CN205876555U (en) * | 2016-08-17 | 2017-01-11 | 安徽江淮汽车股份有限公司 | Diesel oil oil feeding system |
| CN107781089B (en) * | 2016-08-29 | 2019-05-31 | 新疆金风科技股份有限公司 | Preheating apparatus, the system and method for diesel engine |
| CN109281778A (en) * | 2018-09-11 | 2019-01-29 | 武汉科技大学 | A kind of control system and method for preventing motor vehicle diesel from condensing |
| CN110529320A (en) * | 2019-09-03 | 2019-12-03 | 无锡法尔胜悦能动力有限公司 | Diesel generating set and low-temperature start method with good low temperature starting performance |
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