75results about How to "Fix Heating Problems" patented technology

The invention provides a production unit for mass producing electro-spinning nano fibre non-weaving cloth which includes: a meltdown pool 1, a metal roller 2, a receiving lace curtaining 3, a high voltage static generator 4, an initiative guide roll 51 and a passivity guide roll 52, a roller synchronous motor 62, a roller reductor 71, a roller belt pulley 72, a lace curtaining reductor 81, a lace curtaining belt pulley 82, an earth metal plate 9. Four sides and bottom of the meltdown pool 1 is composed of a ceramic outside wall 13, a middle heating layer 12 and a ceramic inner wall 11, the sandwich design structure has better insulation effect and solves heating problem of polymer melt. Compared with prior electro-spinning mass production, the unit can satisfy melt electro-spinning need, and also can be used for solution electro-spinning for realizing multi-use of one machine.

The invention relates to heating use of flammable, explosive and toxic liquid and gas and the like in the field of petroleum, chemical engineering, large machines and the like, belongs to the field of heating equipment on hot water heating occasions and the like, and relates to a power rotation heater. The power rotation heater comprises multiple liquid cavitation pipes. A drive shaft penetrates through a stator and multiple rotors coaxially. A gap is formed between the stator and the drive shaft. The rotors are at least arranged at the two ends of the stator, wherein gaps are formed between the rotors and the stator. Multiple stator liquid inlets are formed in the stator, wherein one end of each stator liquid inlet is open. Each stator liquid inlet is connected with the corresponding liquid cavitation pipe. Branch pipes are arranged in the stator. The gaps between the stator and the rotors and the stator liquid inlets are communicated through the branch pipes. Liquid with heat flows to a liquid outlet through the gaps, liquid cavitation pipe liquid inlets are connected through heating pipelines, and a circulation is formed. The purpose that the flammable, explosive and toxic liquid is not heated by naked fire and electric power is achieved, kinetic energy is converted into heat energy through a rotary power machine, immersion effluent is eliminated, and safety and reliability are improved.

The invention relates to a cold start system and start method for a flexible fuel vehicle. The cold start system comprises an engine control unit, a fuel system and a fuel oil preheating module. The fuel oil preheating module comprises a water temperature sensor, a preheating indicator light, a power output module and a heating type oil sprayer. When a start switch is turned on, the preheating indicator light is firstly lightened, the water temperature sensor transmits a cooling water temperature signal to the engine control unit, the engine control unit calculates a duty ratio signal and judges whether the power output module needs to output power or not, the power output module outputs a current to the heating type oil sprayer, and the heating type oil sprayer heats ethanol fuel and feeds back a temperature signal of the heating type oil sprayer to the engine control unit at the same time so as to judge the preheating finish time.

The invention discloses a method and a device for cooling and heating a power cell of an electric automobile based on phase-change slurry circulation. A phase-change material is subjected to micro-nano capsule encapsulation, and then, is prepared into phase-change slurry together with a liquid solvent; the phase-change slurry is subjected to heat exchange closed circulation between a power cell encapsulating chamber and an air conditioner compartment chamber of the electric automobile; and the transfer beneficial flowage of heat between the cell encapsulating chamber and the air conditioner compartment chamber is achieved by utilizing the heat absorption or the heat release phenomenon of the phase-change material occurring in a heat exchange solid-liquid phase-change process. The method and the device for cooling and heating the power cell of the electric automobile are the temperature control and the heat management techniques of the power cell of the electric automobile, and the cooling problem in the condition of a high-temperature climate (an ambient temperature is more than 40 DEG C) and the heating problem in the condition of a low-temperature climate (the ambient temperature is less than 0 DEG C) for the power cell of the electric automobile can be effectively solved.

The invention relates to a power supply and heat generation system for clothes and the application thereof, which belong to the field of non-contact power supply and heat generation technology. At present, a heat generation system is generally used, such as heating pad, temperature insulation for clothes and other heat generation systems such as a disposable medical non-contact fluid heating device and a body electric heating device generating heat and no electromagnetic wave. Although the heat generation system has wide application range, none of the above heat generation systems adopts non-contact power supply for heat generation / heating of clothes / fiber articles. In order to solve the problem of less function of non-contact power supply and inconvenience in heat generation / heating of clothes / fiber articles, the invention solves the heating problem of clothes / fiber articles by combining one or more non-contact power supplies and / or non-contact power transmitters and a non-contact heat generation device and a control system arranged inside and / or outside clothes / fiber articles. The system has the advantages of widened function of non-contact power supply / power transmission (supplying and / or transmitting power for each other), direct internal power supply, sterilization of the clothes / fiber articles, and temperature insulation.

The invention discloses a battery self-heating and heat preserving device. The battery self-heating and heat preserving device comprises a power battery monomer, a heating diaphragm, an aerogel shell,a temperature sensor and a switching circuit. The outer surface of the power battery monomer is coated with the heating diaphragm. The outer surface of the heating diaphragm is coated with the aerogel shell. The temperature sensor is arranged on the power battery monomer, and the temperature sensor is arranged between the power battery monomer and the heating diaphragm. The temperature sensor andthe switching circuit are connected by a signal line. Every two of the power battery monomer, the heating diaphragm and the switching circuit are connected with each other. The switching circuit is used to connect the power battery monomer and the heating diaphragm to form a heating hoop. The heating diaphragm is used to generate heat by the Joule heat effect and heat the power battery monomer bythe heat conduction effect. By adopting the battery self-heating and heat preserving device provided by the invention, batteries can be efficiently self-preheated and kept warm under low temperatureconditions, and the charging and discharging performance of batteries can be enhanced.

The invention belongs to the technical field of applications of heat tubes, and provides a cylindrical high-temperature thermal tube-based concentrated solar distributed thermal reforming hydrogen production system. The system comprises a raw material preheating part, a reactor body part, a gas purification part and a hydrogen storage part; and the raw material preheating part, the reactor body part, the gas purification part and the hydrogen storage part are sequentially communicated. The system realizes distributed hydrogen production through directly utilizing solar energy, and a reactor isconstructed by using a cylindrical high-temperature thermal tube to realize the direct coupling of a heat receiving device and the chemical rector, so the complexity of a solar thermochemical hydrogen production device is remarkably reduced; the problem of heating of a three-dimensional tubular reaction area by using two-dimensional annular condensation spots is solved by using the cylindrical high-temperature thermal tube, so the problem of low reaction temperature of an indirect hydrogen production reactor is effectively improved; and the indirect reactor is constructed to effectively avoidthe cleanness and air tightness keeping problem of the quartz window of the direct reactor.

The invention relates to the technical field of environmental engineering and aims to provide a zero emission treatment device and method for late-stage landfill leachate. The device and method can improve overall reaction efficiency of partial nitrification-anaerobic ammonia oxidation, realize zero emission treatment of the landfill leachate and remove phosphorus, organic matters and heavy metalions in the landfill leachate. According to the technical scheme, the zero emission treatment device for late-stage landfill leachate is characterized by comprising a regulating tank unit, a partial nitrification-anaerobic ammonia oxidation integrated reactor unit, a carbonization tank unit, a denitrification tank unit, a spirulina-nitrification tank unit, a sedimentation tank, a membrane filtration system unit and an intelligent control system, wherein the partial nitrification-anaerobic ammonia oxidation integrated reactor unit comprises a partial nitrification tank unit and an anaerobic ammonia oxidation reactor unit; the spirulina-nitrification tank unit comprises a spirulina tank unit and a nitrification tank unit; the membrane filtration system unit comprises a microfilter, a nanofilter and an ultrafilter.

The invention discloses a device for extracting dencichine from radix notoginseng and an extraction method thereof. The device comprises a cleaning and drying device, wherein one end of the cleaning and drying device is connected with a pulverizing device; one end of the pulverizing device is connected with an extracting device; one side of the extracting device is connected with a centrifuge; oneend of the centrifuge is connected with a concentrating device; the lower end of the concentrating device is connected with a stirring device; one side of the stirring device is connected with a suction filtration device; one end of the suction filtration device is connected with an ethanol recovery device; and one side of the ethanol recovery device is connected with an eluting device. By adopting the structure and the extraction method thereof, radix notoginseng can be pulverized into powder, uniform heating of an extracting solution can be realized, the extracting solution and filter residues can be quickly separated, and the solution can be quickly and uniformly mixed, thereby effectively improving the extracting efficiency and improving the extraction efficiency of dencichine.

The invention discloses a compressor variable capacity regulated instant heat pump water heater, comprising a refrigerant circulating system, a water supply system and a control system, wherein the water supply system comprises two cold water pipes, a flow regulating valve, a water mixing valve, an auxiliary water storage tank, a hot water pump and a solenoid valve. One of the two cold water pipes is connected with an inlet water pipe of a condenser through an outlet of the flow regulating valve, is communicated with the auxiliary water storage tank by an outlet water pipe of the condenser and is connected with the water mixing valve by the auxiliary water storage tank; and the other one of the two cold water pipes is directly connected with the water mixing valve. The auxiliary water storage tank is also provided with an interface which is connected with the hot water pump, and the hot water pump is connected with an outlet pipeline of the flow regulating valve through the solenoid valve. The auxiliary water storage tank solves heating problems in a start-up procedure or a midway stop procedure in the prior art. The compressor variable capacity regulated instant heat pump water heater is high in energy efficiency ratio and good in energy saving effect, reduces the starting current through low-load start-up, and does not influence the use of other household appliances.

The invention discloses an LNG fuel main engine waste heat utilization system of an LNG fuel power ship. An ethylene glycol aqueous solution is heated by heat generated by cooling of an LNG fuel main engine. A traditional method that the ethylene glycol aqueous solution is electrically heated, waste heat of the main engine is fully used, and the problem of heating of the ethylene glycol aqueous solution is solved, so that the capacity of a ship power station is reduced, operation cost is reduced, energy is saved, environment is protected, and shortages of the method that the ethylene glycol aqueous solution is electrically heated are effective overcome.

The invention discloses a heat transfer device, which is arranged outside a hydrogen storage tank and includes an inner sleeve spaced apart from the hydrogen storage tank. The outer wall of the innersleeve is provided with a plurality of fins. An outer sleeve is disposed outside the fins. The invention also discloses a heating system using the heat transfer device. The heating system includes a fuel cell, the hydrogen storage tank, a hydrogen supply pipe, an air inlet pipe, a fuel cell exhaust gas pipe or a cooling system, and the heat transfer device. The heat transfer device is disposed atthe hydrogen storage tank to transfer heat and increase turbulence intensity, thereby improving the heat transfer efficiency. The heating system, on the one hand, helps to reduce system energy consumption and improve comprehensive energy utilization efficiency, and on the other hand, achieves effective control of the hydrogen desorption working temperature of the hydrogen storage tank, and realizes the utilization of the maximum effective hydrogen storage capacity of a hydrogen storage system.

The invention discloses a breathing long tube heating device having an automatic temperature control function. The breathing long tube heating device having the automatic temperature control function comprises a temperature controller, a heating wire used for being placed in a long tube and a connector arranged at one end of the heating wire, wherein a part of the heating wire is provided with heating strips connected with the temperature controller, the other part of the heating wire is not provided with heating strips, two temperature sensors connected with the temperature controller are arranged on the heating wire and comprises a first temperature sensor and a second temperature sensor, the first temperature sensor is arranged at the part, provided with the heating wires, of the heating wire or is close to the heating strips, and can measure the temperature of the heating strips, and the second temperature sensor is arranged at the part, not provided with the heating wires, of the heating wire. The breathing long tube heating device having the automatic temperature control function can control the temperature rise of the heating strips in time according to the room temperature and the temperature of gas output by the long tube in order to heat the gas, can control temperature drop of the heating strips in time according to the temperature of the heating strips, prevents the long tube from being burned out due to the fact that the heating wire is overheated, and well achieves the purposes of improving the heating temperature of the gas and avoiding the situation that the long tube is burned out due to too high temperature.

The invention discloses a small methanol hydrogen production apparatus for driving a hydrogen engine. The apparatus comprises a methanol water storage tank, an electromagnetic metering pump, a vaporization pipe, a cracking pipe, electromagnetic induction heating rods, and a hydrogen storage buffer tank, wherein the methanol water storage tank, the electromagnetic metering pump and the vaporizationpipe are in communication in sequence, the vaporization pipe is connected with the cracking pipe through a pipeline, the vaporization pipe and the cracking pipe are heated by the electromagnetic induction rods, the top end of the vaporization pipe is connected with the cracking pipe through the pipeline, and a hydrogen outlet of the cracking pipe is connected with the hydrogen storage buffer tank. The apparatus uniformly raises the temperature to 240-260 DEG C by electromagnetic induction heating for conversion to produce hydrogen. The apparatus uses methanol to produce hydrogen to provide power for the hydrogen engine, heat transfer oil, a heat transfer oil pump and a circulation system are avoided, and the apparatus can be used by cooperating with existing hydrogen fuel cell vehicle through cooperating on engines.

The invention discloses a power Pack for electric buses. The power Pack includes a battery box and a plurality of power modules arranged inside the battery box. For the left side outer wall and the right side outer wall of the battery box, one side is provided with an air inlet duct, and the other side is provided with an air outlet duct. The air inlet duct is communicated with the inside of the battery box through ventilation holes on the battery box, and is equipped with a plurality of air inlets for the external air to enter. The air outlet duct is also communicated with the inside of the battery box through the ventilation holes on the battery box, and is equipped with a plurality of air outlets, which is provided with fans for blowing air outward. The inner wall of the battery box is provided with a thermal radiation resistant coating and a heat insulation cotton layer from outside in. The power modules are located inside the heat insulation cotton layer, and the bottoms of the power modules are equipped with battery heating modules. Directed at the problem that use of an electric vehicle power module in an environment with a too high or too low temperature can influence the performance and life, the invention puts forward the electric bus power Pack with heat dissipation, heating and thermal insulation functions.

The invention relates to a capillary liquid chromatographic column temperature control device, and relates to a capillary liquid chromatographic column. The capillary liquid chromatographic column temperature control device comprises a cooling fan, a hollow capillary column supporting tube, a capillary liquid chromatographic column, a temperature control device and a base, wherein the cooling fan is arranged at the top of the hollow capillary column supporting tube, and the periphery of the hollow capillary column supporting tube is covered with an electric heating coating layer; a threaded groove is engraved in the outside of the hollow capillary column supporting tube and is used for fixing the capillary liquid chromatographic column, and the capillary liquid chromatographic column is spirally wound on the surface of the hollow capillary column supporting tube; the periphery of the hollow capillary column supporting tube wound with the capillary liquid chromatographic column is covered with a temperature sensitive resistance layer, and the temperature control device is provided with a temperature sensor and a display device; the temperature sensor is used for detecting the temperature of the temperature sensitive resistance layer, and the temperature signal output terminal of the temperature sensor is connected with the display device; and the temperature signals of the temperature sensor are displayed by the display device, and the hollow capillary column supporting tube is arranged on the base.

The invention discloses a magnetorheological elastomer integral forming device based on a multi-field coupling effect, and belongs to the technical field of material science and instruments. The device comprises a heating module of an electromagnetic induction heating coil and a heat-resisting alloy bar, a magnetizing module composed of two orthogonality magnetic frames and a powered-on coil and apressurizing module composed of an outer pressure machine and a pressing rod; a mold containing raw materials is placed in a heat preservation furnace, at the different stages of material preparing,different thermal magnetic coupling fields are provided by control over parameters of all modules, and the pre-structuring and curing forming process of magnetorheological elastomer preparing can be continuously finished. The device is compact in structure, the coupling field implementation manner is ingenious, the magnetorheological elastomer preparing process is simplified, multi-field environment can be provided for synthesis of other materials, and a spiral magnetic field and a universal magnetic field can be provided for related tests.

The invention discloses a hot air mixed type flue gas white smoke elimination system and an elimination method thereof. The hot air mixed type flue gas white smoke elimination system comprises a heating unit, a deduster, an absorption tower and a chimney, wherein a flue gas outlet in the upper part of the absorption tower communicates with an inlet of the deduster through a pipeline; an outlet ofthe deduster communicates with the lower part of the chimney through a pure flue gas pipeline; at least two hot air branched pipes are arranged on the pure flue gas pipeline at intervals; the heatingunit comprises an air preheater, a hot secondary air main pipe, a hot secondary air circulating branched pipeline, a hot secondary air circulating fan arranged on the hot secondary air circulating branched pipeline, a heating pipeline, an air exchange heat exchanger and an air exchange fan; the air preheater communicates with the hot secondary air main pipe; and the hot secondary air circulating branched pipeline is arranged on the hot secondary air main pipe. According to the hot air mixed type flue gas white smoke elimination system, structural design is reasonable, clean air is heated to 250 DEG C to 300 DEG C through high-temperature flue gas or high-temperature hot secondary air of which the temperature overpasses 300 DEG C and a gas-gas heat exchanger, heated clean air is sent to thepure flue gas pipeline to be mixed with desulfurated pure flue gas, and pure flue gas is exhausted after being heated to the required temperature.

The invention discloses a photovoltaic water heater which comprises a photovoltaic panel assembly, a water storage tank, a first controller and a heating element. The heating element is arranged in the water storage tank and is a low-voltage heating rod, the water storage tank is arranged in an indoor environment, a first temperature sensor is arranged in the water storage tank and is connected with an input end of the first controller, the photovoltaic panel assembly is connected with the low-voltage heating rod by a wire and a first control switch, and the first control switch is connected with an output end of the first controller. The photovoltaic water heater has the advantages that the low-voltage heating rod is used as the heating element, and can be normally started to work under the condition of insufficient illumination, accordingly, water can be heated, the problem that water can be heated by the aid of light energy only under the condition of sufficient illumination in the prior art can be solved, and the light energy conversion efficiency can be improved.

The invention discloses a sample stage for measuring a liquid sample by an X-ray diffractometer, wherein the sample stage includes a crucible furnace with adjustable temperature, a quartz crucible forholding a sample and a temperature control thermocouple; the upper surface of the crucible furnace is sunken inwards to form a groove, the quartz crucible is placed in the groove, and the temperaturecontrol thermocouple is inserted in the crucible furnace for adjusting the temperature of the crucible furnace. According to the sample stage for measuring the liquid sample by the X-ray diffractometer, the temperature control thermocouple inserted in the crucible furnace is used for controlling the temperature of the crucible furnace, so the quartz crucible placed in the crucible furnace is heated and has the temperature controlled, the problem that a water bath pot is needed to be externally connected for heating when a liquid is tested by a diffractometer at present is solved, and at the same time, the heating range is broadened.

The invention relates to a reaction kettle for separation and recovery treatments of a fluorine-containing material by adopting a reduced pressure distillation process. The reaction kettle comprises a kettle body, and an upper end socket and a lower end socket which are fixedly connected with the upper end and the lower end of the kettle body, wherein a stirring shaft is arranged in the kettle body; the upper end of the stirring shaft extends out of the upper end socket and is in transmission connection with an output shaft of a gear motor; the upper end socket is provided with a feed port, a first vacuum port and a first pressure sensor; the lower end socket is provided with a discharge port; the lower end of the stirring shaft is provided with a paddle; the kettle body is provided with a steam inlet and a steam outlet; a steam coil pipe is arranged in the kettle body; and a steam incoming end of the steam coil pipe communicates with the steam inlet, and a steam outgoing end communicates with the steam outlet. The upper and lower end sockets and the outer wall of the kettle body are fixedly connected with a vacuum jacket, respectively. The reaction kettle provided by the invention solves the problems that a conventional steel liner polytetrafluoroethylene reaction kettle cannot resist a high temperature and a negative pressure; moreover, the problem of heating the fluorine-containing material in the reaction kettle is solved, and the problem that the fluorine-containing material is separated and recovered through the reduced pressure distillation process is solved.

The invention provides a warm type high-speed forming device for experiments. The device comprises a warm forming unit (1) and a buffer temperature control unit (17), and the warm forming unit (1) and the buffer temperature control unit (17) form an integral body through connection of a transmission bar (11). The device is characterized in that the warm forming unit (1) comprises a terrace die (2), a housing (3), an insulating heat shield (4), a ceramic insulating cover (5), a blank holder (6), a die sleeve (7), a heating coil (8), a cooling water pipe (9), a fast flange (10), a female die (12), a heat insulating pad (13), an external stress loop (14), a fastening ring (15) and a fastening screw sleeve (16). The device provided by the invention overcomes the disadvantages that single heating equipment in a laboratory cannot accurately control heating temperature and there is no cooling device in the laboratory; when considerable experiments are carried out, the device can carry out rapid and accurate heating and rapid cooling, which enables experiment efficiency to be improved.

The invention belongs to the technical field of drying equipment and relates to an electromagnetic drying chamber. The drying chamber comprises a chamber body, partition plates, a moisture dischargingdevice, a heating device, a surface air cooler, a high-temperature fan, a heat conduction liquid outlet pipe, a heat conduction liquid inlet pipe and a circulation pump. The partition plates comprisethe first partition plate and the second partition plate; the moisture discharging device comprises an inner moisture pipe, a heat exchanger, a moisture discharging fan and an outer moisture discharging pipe which are sequentially connected; the heating device comprises an electromagnetic inductor, an electromagnetic heating controller, a display, a three-phase short-circuit protection switch anda three-phase four-wire connecting terminal; and the electromagnetic inductor comprises a metal heating body, a heat insulation layer and an induction coil. By utilizing the electromagnetic drying chamber, through the electromagnetic heating principle, the metal heating body emits heat and heats a heat conduction medium, the heat energy loss is less, energy is saved, and the heat utilization rateis high; through air duct circulation and the design of the moisture discharging device, temperature control is accurate, and the drying efficiency is high; and through complete separation of heat conduction liquid and a circuit, safety and environmental protection are achieved, and the life is long.

The invention discloses a PVC film heating device. The PVC film heating device comprises a mounting frame, wherein a lifting mechanism is mounted at the upper end of the mounting frame; supporting columns are mounted at the two ends of the mounting frame; sliding grooves are formed in the two supporting columns; a motor is fixedly connected to the back face of one supporting column through nuts; a first gear and a second gear arranged at the left end of the first gear are welded to the output end of the motor; a first heating drum is arranged at the left end of the second gear; a third gear is movably connected to the lower end of the first gear; a second heating drum matched with the first heating drum is arranged at the left end of the third gear; anti-adhesion devices are arranged on the first heating drum and the second heating drum; and the output end of the motor is sleeved with the lifting mechanism. According to the PVC film heating device, the heating drums internally provided with heating rods are adopted to replace heating plates, so that the working efficiency of the PVC film heating device is improved; and the anti-adhesion devices are arranged on the heating drums, so that the problem that a PVC film adheres to the heating drums due to the over high temperature is solved, and the rejection rate is reduced.

The invention belongs to the technical field of temperature regulation, and particularly relates to a radiation air conditioning system based on polymer aerogel. The radiation air conditioning system comprises a thermal insulation outer layer, a refrigeration layer, a high infrared emission layer and a polymer aerogel layer, all of which are arranged in sequence. The system depends on radiation heat exchange, an intermediate medium is not needed, and useless consumption of air conditioner cold in the intermediate medium can be reduced; the problem about temperature regulation in non-closed spaces and outdoor places can be solved, and the application range of an air conditioner is wider; the problem of useless dissipation of cold of an air conditioner cold plate to the surrounding environment and the problem of heating to a low-temperature layer by sunlight are solved in a simple and effective manner, and the energy-saving performance of the air conditioning system is improved; and condensation of water vapor on the surface of the low-temperature emission layer can be effectively avoided, and the practicability of the radiation air conditioner is improved.

The invention relates to a multifunctional solar building and a building community. The multifunctional solar building and the building community are technically characterized in that three technicalschemes are separately implemented according to three different directions and positions of the building relative to the sun. Shutters are installed on the roof and the south facing the sun or the north of the building, wherein angles of blades the shutters can be adjusted in the north-south direction; and shutters are installed on the wall body in the east-west direction, wherein angles of bladesthe shutters can be adjusted in the east-west direction and in the north-south direction. Through the shutters, sunlight does not enter the building in summer, or the sunlight is collected for refrigeration or other purposes, while the sunlight is injected into the room or collected for heat storage devices for heating or other purposes in winter.

The invention provides a production unit for mass producing electro-spinning nano fibre non-weaving cloth which includes: a meltdown pool 1, a metal roller 2, a receiving lace curtaining 3, a high voltage static generator 4, an initiative guide roll 51 and a passivity guide roll 52, a roller synchronous motor 62, a roller reductor 71, a roller belt pulley 72, a lace curtaining reductor 81, a lacecurtaining belt pulley 82, an earth metal plate 9. Four sides and bottom of the meltdown pool 1 is composed of a ceramic outside wall 13, a middle heating layer 12 and a ceramic inner wall 11, the sandwich design structure has better insulation effect and solves heating problem of polymer melt. Compared with prior electro-spinning mass production, the unit can satisfy melt electro-spinning need, and also can be used for solution electro-spinning for realizing multi-use of one machine.