75results about How to "Achieve thermal balance" patented technology

The invention discloses a process for integrally heated continuous preparing biomass pyrolysis gasification gas and a rotary furnace utilized by the same. At a furnace tail cooling section, red charcoal at a temperature of 600-800 DEG C after pyrolyzing and destructive distilling reacts with steam generated by cooling spray water on the lower portion in the furnace so as to absorb large quantities of heat and simultaneously generate water gas and semi-water gas. Heat generated by burning recycled gas and air is used for maintaining pyrolysis temperature of biomass material layers and providesenough heat for further, pyrolysis, destructive distillation and steam decomposition reaction. By aid of the heat, biomass inside the furnace is pyrolyzed and destructively distilled to generate large quantities of volatile matters, and the biomass is gradually heated to decompose destructive gas with high heat value. The rotary furnace utilizes a three-section design: a first section is a furnace head preheating section, which is mainly used for preheating and drying raw materials, a second section is a rotary furnace body pyrolysis section, which is mainly used for pyrolysis and destructivedistillation and is a core operation portion of the furnace, and a third section is a furnace tail cooling section, which is mainly used for cooling charcoal. Prepared gas is high in heat value, and devices occupy small space.

The invention discloses an anti-overflow control method of a soybean milk machine. The soybean milk machine comprises a cup body, a motor, a heating device and a temperature sensor, wherein the motor is used for grinding and mixing materials in the cup body, the heating device is used for heating seriflux in the cup body, and the temperature sensor is used for detecting the temperature of the seriflux in the cup body; the temperature sensor, the heating device and the motor are respectively and electrically connected with a main control chip, the overflow temperature of the seriflux in the cup body is T, and the working state and real-time working efficiency of the motor and the heating device are regulated when the temperature and the overflow temperature T are detected by the temperature sensor; when the main control chip detects that the temperature of the seriflux reaches the overflow temperature, the main control chip controls the heating device to stop heating and controls the motor to stir the seriflux. The problem that the laitance is generated by the seriflux can be solved by carefully controlling the heating device and the motor, so as to cancel an anti-overflow device.

The invention relates to an air extracting and heating coal mine ventilating gas thermal oxidizer unit which belongs to the technical field of ultralow-concentration methane flow reversal oxidization and low-density energy recycling. The air extracting and heating coal mine ventilating gas thermal oxidizer unit comprises an oxidizing bed, a support mesh, a heater, a ventilating gas inlet pipe, an upper air collecting box, a lower air collecting box, four reversing valves, a waste gas outlet pipe, an air extracting and heating system and an electric control unit, wherein the air extracting and heating system comprises air extracting main pipes, air extracting branch pipes, two air extracting valves, a hot air collecting pipe, a flow regulating valve and a hot air outlet pipe; and two groups of air extracting main pipes and air extracting branch pipes are symmetrically arranged at the upper side and the lower side of a central area in the oxidizing bed respectively. Coal mine ventilating gas enters the oxidizing bed by controlling the opening and closing of the reversing valves and the air extracting valves under the control of the electric control unit, fully oxidizes methane in the oxidizing bed and extracts partially oxidized hot gas parts for carrying out heat utilization. The invention has the advantages of high methane oxidization rate, easy regulation of extracted heat, stable running of the oxidizer unit, low manufacture cost, and the like.

The invention relates to improvement on a cooling device of a gyroscope stabilizing device, and the cooling device is suitable for cooling other similar products. The gyroscope stabilizing device mainly depends on inertia of a high-speed rotating flywheel inside to output a moment of force reverse to a ship shaking direction to achieve the purpose of stabilizing the ship. Bearing support and motordrive are needed for realizing high-speed rotation of the large-inertia flywheel, and a bearing and a motor generate a great deal of heat during high-speed rotation. Meanwhile, in order to reduce airresistance, a rotor needs to package in a low-pressure vacuum environment or a low-density gas environment, and sufficient heat exchange is difficulty realized as heat dissipation of the high-speed rotary part under the vacuum environment is difficult. The cooling device disclosed by the invention is that a movable heat dissipation sheet and a movable heat dissipation sheet are arranged on the gyroscope stabilizing device, and a sealed gas circulating channel is formed between the movable heat dissipation sheet and the movable heat dissipation sheet, so that a high-speed rotating heating partis efficiently cooled through a convection mode under the vacuum low-pressure environment or the low-density gas environment.

The invention discloses a seasonal thermal storage solar low-temperature thermal electricity generation composite ground-source heat pump system. The system consists of a solar thermal collector, a ground heat exchanger, a first heat exchanger, a second heat exchanger, a third heat exchanger, a booster pump, an expansion machine, a generator, a ground-source heat pump cold and hot water unit, an electrical storage device and the like, wherein the first heat exchanger, the second heat exchanger, the booster pump, the expansion machine and the generator form an organic Rankine cycle low-temperature thermal electricity generation device; the solar thermal collector collects solar energy all the year round, in a non-heat supply period, the collected solar heat is used as a heat source of the low-temperature thermal electricity generation device by the first heat exchanger, cold is obtained from soil by a thermal storage series soil heat exchanger and is used as a cold source of the low-temperature thermal electricity generation device by the second heat exchanger, and the heat of condensation is stored in the soil. The system is applicable to civil architectures and office buildings in a severe cold area, and is particularly applicable to regions, which are far away from a centralized heating heat pipeline, are strict in atmospheric environment requirements and have frequent outage, of the severe cold area.

A tubular pile type ground source heat pump system is applied to construction heating, comprising a low-temperature heat source end, a ground source heat pump set and a radiating tail end; the system can be used in winter and summer; during heating, low-temperature hot water at an evaporator end of the ground source heat pump set is discharged into a hollow pipe of a concrete tubular pile embedded underground through a pipeline, and then, low-temperature hot water is heat-exchanged with the ground through the tubular pile wall; after heated, the low-temperature hot water is extracted to the evaporator end of the ground source heat pump set to be used as a low-temperature heat source, thereby realizing heating of the ground source heat pump system. The tubular pile type ground source heat pump system is capable of heating in winter while cooling in summer, and can ensure heat balance of underground soil; simultaneously, the system can solve the problems that the groundwater system lacks water and a soil pipe system has large floor area, thereby saving energy and protecting environment.

The invention relates to a multifunctional household-based heat metering distribution management device and a metering method, the existing heat metering device has the defects such as large installation occupy space, large error, multiple user limitations and the like. The device comprises a water supply main pipe (1) and a backwater main pipe (2), wherein a group of user pipes (3) are connected in parallel between the water supply main pipe and the backwater main pipe, each user pipe (3) is connected with a radiator (4), the radiator (4) is connected with an intelligent valve (5), the intelligent valve is connected with indoor temperature setting metering equipment (13), a total heat meter (9) is installed on the backwater main pipe, a pressure measurement device is connected between the water supply main pipe and the backwater main pipe, the intelligent valve (5), and the total heat meter (9) and the pressure measurement device are all connected with a center controller (10). The device in the invention is used for household-based heat metering.

The invention relates to a medium-deep layer geothermal energy and solar energy coupled zero-emission heat supply system. The technical problem that in the prior art, design is not reasonable enough is solved. The system comprises a power generation unit, an energy storage unit and an energy consumption unit, the power generation unit is provided with a middle-deep layer buried pipe heat exchange device, a solar photo-thermal heat collection device and a photovoltaic power generation system, the energy storage unit is provided with an electric heat storage boiler, the middle-deep layer buried pipe heat exchange device is connected with the electric heat storage boiler and / or the energy consumption unit through a middle-deep layer geothermal heat pump, the solar photo-thermal heat collection device is connected with the electric heat storage boiler and / or the energy consumption unit, the photovoltaic power generation system is connected with electricity storage equipment, and the electricity storage equipment is connected with the electric heat storage boiler, the middle-deep layer geothermal heat pump and the energy consumption unit. The system has the advantages that a composite efficient heat supply and heat storage system is achieved, and zero emission of the whole set of northern centralized heat supply system is achieved through ultralow-energy-consumption centralized heat supply and obtaining of clean electric power capable of being generated at the same time.

The invention relates to a solar-ground source heat pump coupled energy supply system and an operating method thereof. A large unit, a small unit and solar hot water are adopted to supply heat to a building, the two units are interconnected and intercommunicated at the tail end and ground source side of the building, the heat is supplied to the building under various modes by using two ground source heat pump systems and the solar hot water according to an actual thermal load requirement, the operation mode of the system is optimized under the condition of ensuring that the soil temperatures of the ground source heat pumps are balanced, and efficient operation for cooling in summer and heating in winter is realized. When bearing an extremely low heat supply load within a relatively long period of time, the heat supply requirement of the building is met through supplying heat by solar-assisted ground source heat pumps and directly supplying heat by solar energy; and when bearing a normal heat supply load, the heat supply requirement of the building is met by using a pure ground source heat pump unit.

A method for preparing acrylic acid from glycerin as a raw material. The method is characterized in that glycerin aqueous solution with mass concentration of 10 to 95% and mixed gas of inert gas and oxygen gas are mixed and then are fed into a reactor loaded with a solid catalyst to undergo a catalytic oxidation dehydration reaction so that glycerin is transformed into acrylic acid. The method adopts a single catalyst and a single reactor, and specifically adopts an oxysalt as a catalyst, wherein the oxysalts have double-function of oxidation and dehydration, prepares directly acrylic acid from glycerin, and realizes respectively a glycerin transformation rate of 100% and acrylic acid selectivity of 77%, thus improves acrylic acid selectivity and simplifies catalyst use processes.

The invention relates to a solar energy-ground source heat pump coupling type energy supply system provided with two buried pipe groups. The solar energy-ground source heat pump coupling type energy supply system provided with the two buried pipe groups is characterized in that the energy supply system comprises a solar heat collector, a heat-storage water tank, a ground source heat pump unit, the first buried pipe group, the second buried pipe group, a building tail end device, a heat-collection circulating water pump, a heat-storage circulating water pump, a ground source side circulating water pump, a first heat-storage control valve, a second heat-storage control valve, a first ground source side control valve, a second ground source side control valve, a first pipe group flow regulation valve, a second pipe group flow regulation valve, a first pipe group heat meter and a second group pipe heat meter; the solar heat collector is sequentially connected with the heat-storage water tank and the heat-collection circulating water pump through pipelines, namely a heat collection cycle is formed, and hot water generated by solar energy is collected; and the hot water outflow end of the heat-storage water tank is sequentially connected with the first heat-storage control valve, the heat-storage circulating water pump, the first buried pipe group, the second heat-storage control valve and the backflow end of the heat-storage water tank through pipelines, so that a heat storage cycle is formed.

The invention discloses a hydraulic oil return system for an excavator, a control method of the system and the excavator and relates to the technical field of engineering machinery. The system comprises a hydraulic oil tank, a main pump and a pilot pump, the main pump and the pilot pump are connected with the hydraulic oil tank separately, and the main pump is communicated with a main valve assembly through an oil supply pipe; the main valve assembly is communicated with a load and an electro-hydraulic proportional flow divider valve separately, the pilot pump is communicated with the pilot side of the electro-hydraulic proportional flow divider valve through a pilot control pipe, and a first oil return pipe and a second oil return pipe which are in parallel connection are further arrangedbetween the electro-hydraulic proportional flow divider valve and the hydraulic oil tank; the first oil return pipe or the second oil return pipe is provided with a radiator, a temperature sensor isarranged in the hydraulic oil tank, and the temperature sensor and the electro-hydraulic proportional flow divider valve are electrically connected with a controller separately, so that the electro-hydraulic proportional flow divider valve is controlled to work according to an oil temperature signal detected by the temperature sensor. The heat dissipation amount can be adjusted according to the oil temperature of the hydraulic system, and the stability of the oil temperature when the hydraulic system of the excavator works is improved.

The invention relates to a method that absorbed natural gas is used as automobile fuel. Pre-removing hydrocarbon process is carried out in gas station. Main equipments comprises working and regeneration automatic switching hydrocarbon removal equipment with hydrocarbon removal absorbent and gas machine for pressure tank of gas storage and filling natural gas for automobile. Heat exchanging process is carried out on automobile. Main equipment is absorbed natural gas steel bottle with heat exchanger. Inlet and outlet of cycling water of heat exchanger is connected with water tank of automobile by pipes. Natural gas treated by hydrocarbon removal is filled in the natural gas steel bottle by the gas machine and heat quantity absorbed in the natural gas steel bottom when super-activated carbon desorbs natural gas is compensated by heat quantity of cooled water in cylinder of automobile. The characteristic of invention is that main problem that absorbed natural gas technology is applied in automobile is solved; pre-removing hydrocarbon process and heat exchanging process are implemented in gas station and on automobile; an economical practical safe feasible method is provided for applying absorbed natural gas technology on automobile.

The present invention relates to a direct drive type dual turbo blower cooling structure and, more particularly, to a direct drive type dual turbo blower cooling structure in which a plurality of hole portions for cooling a stator and a plurality of hole portions for cooling a coil portion, a bearing housing, and a rotor are formed along the inner diameter of a motor casing; impellers are disposed on both sides thereof, such that a flow rate is doubled; and an air cooling system capable of achieving thermal balance through the plurality of hole portions is implemented at the time of operation of a cooling fan which provides an air cooling system instead of a conventional water cooling system. As such, it is possible to simplify the mechanical structure and reduce manufacturing time and costs because the pump, heat exchanger, water tank, pipes, etc. required for a water cooling system are unnecessary.

The invention relates to the technical field of aluminum electrolytic metallurgy and specifically relates to a method for fabricating a high-temperature preheating aluminum oxide progressive-blanking system by using a foamed aluminum material. The technical problem to be solved is to fabricate the complete members of a blanking device by adopting a foamed aluminum multifunctional-structurally integrated material; aluminum oxide is preheated in a fluidized bed furnace by virtue of low-heat value flue gas collected from an electrolytic cell until the temperature of the aluminum oxide is slightly higher than that of electrolyte, and then the preheated aluminum oxide is continuously added to an electrolyte solution layer by a blanker; as a result, the temperature difference effect is eliminated, heat balance and material balance are realized, and furthermore, the current efficiency of the electrolytic cell is improved and the direct-current power consumption per ton of aluminum is reduced.

The invention discloses a heat control system and a heat control method of an engine of a milling machine. The heat control system comprises a microcontroller, wherein the microcontroller is respectively connected with a coolant temperature sensor arranged in engine coolant, an air inlet temperature sensor arranged at an engine air inlet and a hydraulic oil temperature sensor arranged in engine hydraulic oil through a signal line; and the microcontroller is further connected with an electric proportion throttle valve through a signal line. The heat control system has the advantages that the temperature of an engine system is monitored in real time through a temperature sensor, a temperature value is set up and fed back to the controller, and furthermore the set temperature is compared with the actual temperature through the controller so as to control the electric proportion throttle valve of a fan, so that the motor of the fan is adjusted, the rotation speed of the fan is changed, and ultimately the heat balance of the engine of the milling machine is realized; the heat efficiency of the engine of the milling machine and a hydraulic system are effectively improved, the fuel consumption is reduced, thus enabling the system to achieve an optimal working state.

The invention relates to a cooling device and method with the function of noise reduction. The method is characterized in that in case a component to be cooled is nonmagnetic, a magnetic fluid serves as a radiating medium; a nonmagnetic fluid serves as the radiating medium until the component to be cooled is magnetic; the heat is transferred to the magnetic fluid or the nonmagnetic fluid through the heat exchange between the component to be cooled and the radiating medium, and based on Curie temperature effect, the magnetic fluid or the nonmagnetic fluid transfers heat out to achieve thermal balance after being subjected to heat exchange. The cooling device comprises a container containing the magnetic fluid or the nonmagnetic fluid, the component to be cooled is placed in the container and is in direct contact with the magnetic fluid or the nonmagnetic fluid; the magnetic fluid is formed in a way that permanent magnetic particles are dispersed in the fluid, while the nonmagnetic fluid is formed in a way that magnetic particles are dispersed in the fluid. The device and the method utilize the characteristic that the Curie temperature is the inherent attribute of the magnetic material, and as a result, the cooling effect of a magnetron is improved, as well as the control automation and reliability.

The invention provides a control method and device for a DC / DC converter. The method comprises: the switching frequencies of a sixth signal, a fifth signal, a seventh signal and an eighth signal are half of the switching frequencies of the driving signals of primary switch tubes, the phase difference between adjacent signals of the sixth signal, the fifth signal, the seventh signal and the eighthsignal is a preset angle, and the phase difference between the sixth signal and the driving signal of the first switch tube is a phase shift angle; the sixth signal, the fifth signal, the seventh signal and the eighth signal are used as driving signals to drive the sixth switch tube, the fifth switch tube, the seventh switch tube and the eighth switch tube, respectively; alternatively, the sixth signal, the fifth signal, the seventh signal, and the eighth signal are used as intermediate signals, and the driving signals of the secondary switch tubes are generated according to the driving signalof the at least one primary switch tube and the intermediate signal, and the driving signals of the secondary switch tubes drive the switch tubes corresponding to the secondary side, thereby realizing thermal equalization among the secondary switch tubes.

The invention discloses a multi-technique coupling bio-toilet feces treatment system with subcritical hydrothermal liquidation as a key point and a method and belongs to the technical field of chemical engineering and environment protection. The system comprises a material buffer tank, a subcritical hydrothermal liquidation unit, a drying pelletizing unit, a high-temperature anaerobic unit, a biogas utilization unit, a combined membrane process unit, a solid-liquid separation device, a struvite crystallization unit, a urea buffer tank and a gas treatment unit. By adopting the system, a subcritical hydrothermal liquidation technique is adopted as a key point, and with the combination of a high-temperature anaerobic process and biogas recycling, heat balance can be achieved; on the basis ofseparation properties of the combined membrane process unit, biosecurity of produced water for landscaping can be ensured. Feces substances are harmlessly treated and stabilized into an organic fertilizer, nitrogen and phosphorus in urea are recycled in a mode of struvite, water in excrement and urea is harmlessly treated and recycled as landscaping water, and smell is subjected to high-temperature combustion treatment, so that harmless treatment on gases, liquids and solids is achieved, and good economic benefits and economic benefits can be achieved.

The invention discloses a control method for a methanol to hydrogen battery used in an electric vehicle. The control method includes the following steps that whether a power adjusting instruction is received or not is detected, and if yes, the next step is executed; according to the power adjusting instruction, the initial power of the methanol to hydrogen battery is adjusted step by step multiple times to needed power based on preset variable quantity. The invention further discloses a control system for the methanol to hydrogen battery. The invention further discloses a controller comprising the control system for the methanol to hydrogen battery. By means of the control method, heat balance of the methanol to hydrogen battery can be effectively controlled, temperature of the methanol to hydrogen battery can be controlled, and the problem that a catalyst in a reaction chamber loses activity as the temperature is out of control, and the service life of the battery is shortened is avoided.

The invention discloses a temperature regulating device used for regulating battery temperature. The temperature regulating device comprises a heat exchanging part and a liquid storage part and is characterized in that the heat exchanging part is communicated with the liquid storage part through a pipeline, the heat exchanging part, the pipeline and the liquid storage part form a heat exchanging medium circulating loop, the heat exchanging part is used for exchanging heat with batteries so as to regulate the temperature of the batteries, and the liquid storage part is used for storing a heat exchanging medium. The temperature regulating device has the advantages that the heat exchanging part, the pipeline and the liquid storage part form the heat exchanging medium circulating loop, the temperature of the batteries is regulated by the heat exchanging between the heat exchanging part and the batteries so as to guarantee that the heat of the batteries can reach the optimal state at the same time, and heat balance of the multiple batteries can be achieved favorably; the device can store a certain quantity of heat exchanging medium to guarantee that the heat exchanging medium circulating loop has sufficient heat exchanging medium for heat exchanging, and accordingly the normal work of the temperature regulating device cannot be affected by the reduction of the heat exchanging medium.

The invention provides a method and a device for synthesizing chloromethane. The method comprises the following steps of: introducing gaseous hydrogen chloride, a preheated hydrochloric acid solution and preheated gaseous methanol as raw materials into a first reaction kettle for a synthesis reaction, and in the reaction process, adjusting the proportion of the hydrochloric acid solution in the raw materials and / or the preheating temperature of the hydrochloric acid solution and / or the preheating temperature of the gaseous methanol according to the reaction temperature in the first reaction kettle; and adding a hydrochloric acid solution into a second reaction kettle, introducing a mixed gas of chloromethane, hydrogen chloride and methanol at an outlet of the first reaction kettle into the second reaction kettle, and introducing liquid methanol for a synthesis reaction. The method does not need to additionally consume energy for heating or cooling, and greatly saves energy. Meanwhile, the double kettles are connected in series for continuous reaction, so that the high conversion rate of the raw materials is ensured. Moreover, waste acid is basically not generated, and the pressure of treating waste acid in a rear-end system is reduced.

The invention discloses a thermal balance ground-source heat pump and a use method thereof. The pump is provided with an outdoor fan coil, wherein the outdoor fan coil is connected with a circulating water pump through pipelines and valves; an expansion tank is connected together with a pipeline at the right side of the circulating water pump through a pipeline; and a soil heat exchanger is connected with the circulating water pump through pipelines and valves. A cycle process of the use method of the thermal balance ground-source heat pump is completed in the following way: the temperature of a circulating medium is reduced by exchanging heat with surrounding low temperature soil when passing through an underground vertically-buried single u-shaped pipe, and then the circulating medium flows into the outdoor fan coil; the temperature of the circulating medium is increased by exchanging heat with high temperature air; afterwards, the circulating medium flows into the underground vertically-buried single u-shaped pipe to exchange heat with the surrounding low temperature soil. According to the thermal balance ground-source heat pump and the use method thereof, the limitation of heat storage by utilizing solar energy is avoided, and a new approach is provided for supplying heat by applying a ground-source heat pump in a severe cold area; the comfortableness of indoor temperature is improved; the operating conditions of a heat pump system are improved; the thermal balance ground-source heat pump can be applied to an area with big difference between total annual heat supply volume and total annual heat exhaust volume; and a better operating effect can be obtained.

The invention discloses a thermal-insulation adhesive for die-forging of forge pieces, which is used for forming die forging pieces and especially suitable for thermal-insulation forming of high-temperature alloy, titanium alloy and aluminum alloy die-forging pieces. The adhesive for thermal-insulation materials can form a continuous, uniform and compact film for thermal insulation and lubrication on the surface of a forge piece. The adhesive disclosed by the invention is prepared from the following components in percentage by weight: 20-40% of organosilicon heat-resistant resin or organic titanium epoxy resin, 20-40% of glass powder, 0-5% of trisodium phosphate, 2-6% of anhydrous borax, 0-5% of graphite, 1-3% of leafing aluminum paste, 1-5% of magnesium aluminum silicate suspending agent and 10-40% of xylene. The invention can accurately control the forging temperature, reduce the number of times of blank returning, prolong the forgeable time each time, lower the cost of the used coating materials, widen the optional range of the thermal-insulation coating materials, and the like. Meanwhile, the invention also provides a preparation method of the thermal-insulation adhesive.

The invention discloses a recycling and filling machine for an automobile air conditioner refrigerant and application of the recycling and filling machine. The machine comprises a high-low pressure connector, a high-low pressure valve group, a confluence valve block, an expansion valve, a heat exchange oil separator, a drying filter, a compression mechanism and a working tank. The recycling and filling machine is connected with an automobile air conditioner through the high-low pressure connector. The high-low pressure connector, the high-low pressure valve group, the confluence valve block, the expansion valve and the heat exchange oil separator are connected in sequence, the heat exchange oil separator is further connected with the drying filter and the compression mechanism in sequence,and the compression mechanism is connected with the heat exchange oil separator and the working tank. According to the recycling and filling machine for the automobile air conditioner refrigerant andapplication of the recycling and filling machine, the structure is simple, recycling, purifying and filling of the refrigerant are integrated, resources are not wasted, no potential threat is causedto global climate warming, device stability is good, the failure rate is low, and the application range is wide.

The invention provides a lens used for optical imaging. The lens includes a lens barrel. An accommodation chamber is formed in the lens barrel and a front lens and a rear lens unit are disposed in theaccommodation chamber of the lens barrel. Imaging light is allowed to pass through the front lens and the rear lens unit so as to be sensed by an optical sensor arranged on the rear side of the rearlens unit. A first interval space between the front lens and the rear lens unit is defined by the front lens and the rear lens unit. One inner side wall of the lens forms at least one communication channel communicating with the first interval space, so that a heat balance channel is formed by the first interval space and the communication channel. Therefore, air convection in the first interval space is achieved through the heat balance channel.

The invention discloses an intelligent heating power inlet control system driven through water turbine power generation. According to the following steps, basic building information is obtained; real-time running parameters of the system are obtained; the control parameter set value is given; the intelligent control algorithm is given; control signals are obtained through calculation according tothe control parameter set value, the actual running parameter error and the control algorithm; according to the control signals, an electric adjusting valve is driven to adjust the heating power inletflow, accordingly, heating power balance of a building heat supply system is achieved, the requirement of heat consumers for the heat supply quality is met, and automatic and intelligent control overheat supply tail end ( a secondary network building) heating power inlets is achieved; a control center can collect real-time running data uploaded through the heating power inlets and issue controlinstructions to various heating power inlets; and the control center can achieve the corresponding intelligent heat supply control function, and real-time running data collection, calculation, the control strategy, control instruction issuing, data presenting, heating power balance and a geographic information system are included.

The invention discloses a grain threshing machine capable of conducting continuous operation and belongs to the field of agricultural machinery. Threshing rolls of the grain threshing machine capable of conducting continuous operation are of a cylindrical structure. The threshing rolls are arranged in a cross water diversion core. The center of the cross water diversion core is sleeved and hooped with a coaxial rotating shaft. The rotating shaft is connected to an output motor. The outer peripheral faces of the threshing rolls are evenly provided with triangular spike teeth. A screening device comprises vibration screens and a grain absorbing device which are arranged below the threshing rolls. The vibration screens comprise the first-level vibration screen arranged on the upper layer and ranging from 30 meshes to 40 meshes in screening hole and the second-level vibration screen arranged on the lower layer and ranging from 55 meshes to 60 meshes in screening hole, and a sundry cabin is arranged below the second-level vibration screen. One end of the grain absorbing device is communicated with the position between the first-level vibration screen and the second-level vibration screen, and one end of the grain absorbing device is provided with a grain output opening. The grain threshing machine is simple in structure, easy to implement and capable of effectively improving threshing efficiency.

The object of the invention is to provide a thermal complementary (combination of heat supply and heat discharge) system which can complement heat without the restriction of area of a region to be supplied with heat. An endless multiplex helical loop is formed to complement the heat produced in a region such as plants and regional facilities on a reciprocal basis, and the water is not circulated forcibly but achieves heat transfer in the helical loop.Liquid or slurry-like water is sealed in the annular endless channel (endless loop) without forcibly circulated. Therefore, loop diameter of the annular endless channel, that means the area of the region, is not limited. The water forms temperature zones in the endless helical loop, the temperature being different per each component loop. Distributed cryogenic sources and thermal sources are thermally connected to said multiplex helical loop so that heat (i.e. water) can be taken in or discharged to or from said cryogenic or thermal sources. As the water needs not be forcibly circulated, the power for forcibly circulating the water is eliminated resulting in reduced running cost. Refrigerating apparatuses, heat source apparatuses, etc. distributed in the region are effectively utilized and also central control of energy supply through the multiplex helical loops is made possible.

The invention discloses a method of switching a refrigerating medium unit to drive multiple icing desalting tanks. The refrigerating medium unit is switched to drive circulation of icing, separating,concentrating and de-icing of the icing desalting tanks and extracts icing cold of a group of cold-heat calandria to provide de-icing heat for another group of cold-heat calandria so as to realize heat balance inside a device; through alternate icing and de-icing, icing and gravity stratifying double separation effect and up-down synchronous freezing formed by the cold-heat calandrias incoming from bottom and outgoing from top, material liquid concentration and fresh water preparation are realized. Cold can be recycled and discharged in a centralized manner by a fresh water coiler and a concentrated liquid coiler, condensing heat can be discharged along with fresh water, and ambient cold can be absorbed by a heat exchanger.