11581 results about "Heat supply" patented technology

A system for an engine of a vehicle, comprising of at least one combustion chamber located in the engine, a delivery system configured to deliver a fuel and a fluid to the combustion chamber, an ignition system including a spark plug configured to ignite the fuel within the combustion chamber, a spark plug heating system configured to supply heat to the spark plug, and a control system configured to vary an amount of heat supplied to the spark plug by the spark plug heating system responsive to a condition of the ignition system.

The invention discloses equipment and a method for extracting biologically active ingredients from subcritical fluid, aims to solve the problems of low extraction efficiency and the like existing in the aspects of biologically active ingredient separation technology in the prior art and provides a set of subcritical equipment which comprises an extracting agent supply system, an entrainer supply system, an extraction system, a separation system, a solvent recycling system, a desolvation system, a heat supply system, a computer control system and the like, has high automatic control degree and is used for extracting the biologically active ingredients. Simultaneously, the invention also provides a new technological method for extracting the biologically active ingredients by adopting a subcritical extraction process. The method has the advantage of relatively low cost on the conventional extraction of an organic solvent, and the equipment has the characteristics of no solvent residue, no pollution, high bioactivity and the like in a product obtained by supercritical CO2 extraction technology and has the advantages of low investment on production equipment, high production efficiency within unit time, low energy consumption, flexible operation, high degree of automation and the like.

The invention discloses a continuous biomass low-temperature pyrolytic charring method and a charring furnace thereof, belonging to the fields of biomass charring and biomass energy source utilization. The furnace body of the charring furnace adopts a screw propelling feed mode, and the power is derived from the drive of a motor; an external heating cylinder is sheathed outside an internal heating cylinder of the furnace body, the internal cylinder and the external cylinder are spaced, and the internal flue inside the sleeve has a labyrinth path to ensure heat supply from hot flue gas to pyrolytic reaction to uniformly heat a biomass raw material; and during charring, the generated flue gas supplies heat to a reaction cylinder after combustion in a combustion chamber, and the hot flue gas enters a heat exchanger device to dry the raw material after flowing through the sleeve. Through screw propelling, the method disclosed by the invention realizes continuous low-temperature pyrolytic charring reaction, and realizes accuracy control of the retention time of the biomass inside the charring furnace; and the furnace body adopts a sleeve structure, which fully utilizes the afterheat of the charring flue gas, and the reaction cylinder adopts interior heating and outer wall heating together, which enhances the uniformity characteristic of the temperature inside the reaction cylinder and prolongs the service life of an auger shaft.

The invention relates to a centralized heating whole-network heat balance control method, in particular to a control system which is charged on area, which can eliminate the heat imbalance of the whole network and balance the heating effect. The control method adopts different control strategies for a heat source and two links of a primary side in the heating system so as to meet the requirement of users. For the heat source, the online prediction of the heat load is realized according to external temperature variation, and a running instruction is supplied for the heat source; a uniform control strategy is adopted for a primary network, automatic adjustment of a primary valve of a heat exchanging station of the heat network can be realized, a weighted value can be manually given to a special heat exchanging station, and the heat imbalance degree is used for analyzing and evaluating a whole-network heat balance control effect; and the control method can effectively solve the problems of the heating system such as imbalance heat and energy waste, a great amount of manpower and material resource can be saved in the adjustment process of the heat network, and the balance and consistency of the heat supply effect can be guaranteed.

The invention discloses a solar-air-geothermal multisource dual-machine heat pump heat supply and air conditioning composite system, relates to a heat supply, air conditioning and refrigerating composite system which takes solar energy, air and a ground source heat pump of a buried tube as cold and heat sources, and belongs to the technical field of building environment, equipment engineering and refrigeration engineering. The system comprises a solar thermal collector (1), the buried tube (3), a heat storage water tank (13), a heat storage / exchanger water tank (17), a control system, an end user (16) and the like. The invention provides a multisource dual-compressor heat pump system which takes the solar energy, geothermal energy and air as the cold and heat sources; and the system can supply heat in winter, refrigerate in summer and supply hot water for daily life all year round. Moreover, the overheat of the solar thermal collector in summer is avoided, so that the heat of the solar energy is stored in soil for use in the winter; and the system particularly has higher applicability in the area in which heat load in the winter is greater than cold load in summer.

The present disclosure generally relates to vaporizing devices, e.g., electronic cigarettes. The vaporizing device may comprise a vaporization unit that includes a reservoir, a conduit, and a heating element coupled to an inside surface of the conduit. The conduit may be at least partially permeable or porous to allow passage of a liquid from the reservoir through the conduit for vaporization by heat supplied by the heating element. The heating element may be configured into a plurality of bends coupled to the inner surface of the conduit, and may be coupled to a metallic screen or mesh to secure the heating element to the conduit.

A cogeneration system is disclosed which includes a generator, a drive source for driving the generator, a waste heat supplying heat exchanger for enhancing the heating performance of a heat pump type air conditioner, an auxiliary heating heat exchanger using the waste heat of the drive source as a heat source for heating indoor air, and a regeneration heat supplying heat exchanger using the waste heat of the drive source as a heat source for regenerating a dehumidifier. The cogeneration system can use the waste heat of the drive source for diverse purposes in accordance with the indoor environment, and can have a maximal efficiency.

The invention relates to the technical field of heating and energy conservation and provides a centralized heating public building heat supply energy-saving control method. The method comprises the following steps of: calculating a thermal load required by a public building room in the current time period; calculating water supply quantity required by the public building room in an equivalent area of a building which meets the heating requirement in the current time period; calculating hydraulic power of each pipe section in a pipe network and the total pipe network, performing circulating pump and fan frequency variable control on a water supply main pipe by employing a quantity regulating mode, and performing valve opening control on a water supply branch; and controlling power of a heat source. According to the embodiment, the real-time thermal load required by the building is calculated according to the indoor and outdoor thermal disturbance, the heat waste is reduced, the hydraulic power of the distribution pipe network is reasonably calculated, the pipe section with a proper pipe diameter and a circulating pump with a proper lift are selected according to the calculation, the time and area control and on-demand heating of the thermal load can be realized, and the functions of supervising, calculating and controlling are truly integrated.

The invention discloses a control method and a control device of a constant-temperature gas water heater. The control method includes steps of detecting current water inlet temperature, current water inlet flow and current set water outlet temperature of the water heater and calculating current required heat; comparing the current required heat with rated heat supply of the heater; when the current required heat is higher than the rated heat supply, reducing practical water inlet flow of the heater, and when the current required heat is lower than the rated heat supply, increasing practical water inlet flow of the heater; adjusting opening of a gas proportion valve of the water heater by an PID (proportion integration differentiation) algorithm, and controlling the water heater so as to supply water at constant temperature by the current set water outlet temperature. By the control method and the control device of the constant-temperature gas water heater, the water heater is controlled, water outlet temperature reaches the set temperature, water outlet temperature can be quickly and stably adjusted, and service performance of the water heater is improved.

A subsection compression-subsection heat supply-subsection gas expanding compression type machine set belongs to the technical field of heat pumps / refrigeration, and consists of a compressor, an expander, a heat exchanger, a second heat exchanger and a low-temperature heat exchanger. Gas working substances absorbing heat from the low-temperature heat exchanger and raising temperature enter the compressor; after the gas working substances are compressed in a low pressure compression section, a part of the gas working substances are provided for the heat exchanger to complete the heating of a heated medium at an initial stage; the part of the gas working substances enter the expander and is expanded at a low pressure expansion section; the other part of the gas working substances are provided for the second heat exchanger to complete the heating of a second stage of the heated medium after continuously passing through the whole compression process and raising temperature, and enter the expander from an inlet of the high pressure expansion section of the expander for expanding; the gas working substances completing the expanding work flow through the low-temperature heat exchanger to absorb the heat and raise the temperature and enter the compressor; and a heat regenerator is added to form a regenerative machine set. The gas expanding compression type machine set reduces temperature difference of heat transmission and improves the performance index; when taken as a heat pump, the gas expanding compression type machine set is particularly suitable for occasions with high heating temperature and wide range; and when used for refrigeration, the gas expanding compression type machine set can reduce power consumption.

The present invention discloses one kind of multifunctional modified atactic polypropylene pipe material and its preparation process. The atactic polypropylene pipe material consists of atactic copolypropylene, environment friendly fire retardant, pre-dispersed master batch of inorganic stuffing, impact modifier, antioxidant, composite antibacterial master batch and dispersant. It is applied in building pipes, pipeline for beverage and food industry, heat supply system and farm irrigation system. It has fire retarding and antibacterial functions, less shrinkage, high low temperature impact resistance, high heat resistance, high mechanical performance and excellent heat stability.

A method of cleaning a washing tub mounted in a water tub of a washing machine includes supplying water necessary to clean the washing tub to the water tub, and rotating the washing tub while supplying heat to the water tub by means of at least one heat supply device mounted in the washing machine. The washing tub is maintained at high temperature when the washing tub is cleaned, whereby decontamination and disinfection efficiency is improved. Also, water required to clean the washing tube is separately supplied to increase the rotating speed of a washing motor, whereby cleaning efficiency is improved.

Systems and methods for separating an alcohol, and in particular butanol, from a fermented feed and concentrating thin stillage into syrup includes operation of one or more alcohol recovery distillation columns using the heat supplied by steam generated from concentration of the thin stillage in a multi-train, multi-effect evaporation system.

The invention discloses an energy-saving emission-reducing energy comprehensive utilization system for a construction. The system comprises a heat storage tank, a heat source supply circulating pipeline and a heat supply device, wherein hot water in the heat storage tank flows into the heat source supply circulating pipeline through a water outlet of the heat storage tank and then flows back to the heat storage tank; the heat source supply circulating pipeline is paved in the construction and is connected to a room with a heat requirement in the construction; and the heat supply device is arranged in the room with the heat requirement and is in heat exchange contact with the hot water in the heat source supply circulating pipeline, so as to utilize the heat energy of the hot water in the heat source supply circulating pipeline during a heating process. The heat energy is directly outputted to each household device requiring for the heat energy through the hot water in the heat source supply circulating pipeline, the cold energy is outputted to each household device requiring for the cold energy through cold water in the heat source supply circulating pipeline, and the heat energy is recovered, so that the heat energy of various living environments in the construction is fully adjusted and recovered, and a large amount of energy resource consumption is greatly reduced.

The invention relates to heat engineering, in particular to heat pipes, and may be used for heat removal from miniature heat-tensioned objects, in particular elements of radioelectronic devices and computers requiring effective heat removal within minimum dimensions of a cooling system. The invention is aimed at increasing a heat load of the evaporating chamber at a given operating temperature and reducing its dimensions. For this purpose, in the evaporating chamber of a loop heat pipe comprising a body that includes side and end-face walls and a capillary porous packing accommodated in said body and having vapor-removal channels tied together by a vapor collector, and disposed on a portion of the packing perimeter at the heat-supply side, and having an asymmetrical longitudinal opening shifted in the direction opposite to the heat supply, the end-faces of the vapor-removal channels being blind at one side, the asymmetrical longitudinal opening is also being blind at the side opposite to the blind end-faces of the vapor-removal channels, and the vapor collector is formed by one of the end-face walls of the body and the packing end-face. Besides, on the inner side surface of the body, additional vapor-removal grooves are provided. Cross-section of the asymmetrical longitudinal opening may have the form of a rectangle elongated in the direction of the heat supply and limited at the opposite side by a body wall, or the form of a wedge, whose apex faces the heat supply and whose base is a body wall, or the form of a segment, whose chord is directed towards the heat supply and the arc is a body wall, or the form of a circle limited by a capillary porous packing and whose center is shifted in the direction opposite to the heat supply. Cross-section of the evaporating chamber may be made rectangular, the asymmetrical longitudinal opening, which has the form of a slot gap being shifted in the direction opposite to the heat supply. The capillary porous packing may consist of two interconnected parts. The outlet of the condensate line is positioned in the asymmetrical longitudinal opening of the capillary porous packing.

The invention relates to a residual heat pump air conditioning system for fuel cell vehicle, which belongs to the technical field of the air conditioner for fuel cell vehicle. The invention is characterized in that the residual heat pump air conditioning system comprises a refrigerating circuit and a heating circuit, the refrigerating circuit and the heating circuit are connected with a compressor via a four-way valve, an inlet of the four-way valve is connected with an outlet of the compressor, a first outlet and a second outlet of the four-way valve are connected with the refrigerating circuit and the heating circuit, and a third outlet of the four-way valve is connected with the inlet of the compressor via a gas-liquid separator; the heating circuit comprises an external evaporator, the heat side of the external evaporator is connected in a cooling circuit of the fuel cell and the cool side is connected in the heating circuit; the cooling circuit of the fuel cell also comprises an electric control three-way valve, one end of which is connected with the fuel cell via a water pump and a second end and a third end respectively are connected with the inlet and the outlet at the heat side of the external evaporator. The air conditioning system can use the residual heat of the fuel cell for heat supply and has the advantages of energy saving, simple structure and wide adaptability to use area, etc.

The present invention relates to a cryogenic air separation process that provides high pressure oxygen for an oxy-fired combustion of a fuel (e.g., a carbonaceous fuel). The air separation process can be directly integrated into a closed cycle power production process utilizing a working fluid, such as CO2. Beneficially, the air separation process can eliminate the need for inter-cooling between air compression stages and rather provide for recycling the adiabatic heat of compression into a process step in a further methods wherein an additional heat supply is beneficial.

The invention discloses a bulk curer heat supply and ventilation system supplied by combined solar energy-air source heat pump double heat sources, which consists of a solar water heating subsystem, an air source heat pump water heating subsystem, an air-water heat exchanger, a frequency conversion circulating water pump, a heat insulating hot water pipeline, a main controller, a circulating fan, an air supply pipe, a fresh air valve and a curer wet air outlet. A condenser of the air source heat pump water heating subsystem is arranged in a heat accumulating water tank; the air source heat pump water heating subsystem is coupled with the solar water heating subsystem through the heat accumulating water tank; and the air source heat pump water heating subsystem adopts a CO2 high temperature refrigerant to prepare high temperature hot water between 85 and 90DEG C. The bulk curer heat supply and ventilation system adopts the solar water heating system and the air source heat pump water heating system, which are combined to operate, to supply heat to the curer, fully utilizes the clean solar energy and low-grade heat energy in the atmosphere, has the advantages of energy conservation, environmental protection and the like, and can realize loss minimization and value addition in the process of curing tobacco leaves.

The invention discloses a method for evaluating performances of a condensing steam turbine after high back pressure improvement. The method comprises the following steps: distributing sufficient pressure, temperature, flow and electric power test points on a thermodynamic system of a turbine unit; stopping heating steam extraction on a low pressure cylinder gap bridge pipe; calculating the main steam flow, the cold reheat steam flow and the reheat steam flow; calculating the low pressure cylinder efficiency of a unit; taking a high back pressure heat supply unit as a pure condensing unit running under a high back pressure working condition, calculating the heat loss efficiency of the unit, and performing the second-type correction on the heat rate; and comparing the heat rate and the lower pressure cylinder efficiency with design values of a manufacture plant, and evaluating the lower pressure cylinder improvement technology and the unit improvement effect. The method disclosed by the invention is easy and feasible.

The invention relates to a climate compensation algorithm and a control method for supply water temperature of a central heating system. The climate compensation algorithm comprises calculation formulas of different outdoor temperature ranges, water temperature corrections of different time ranges, water temperature corrections of different weathers (sunny days and snow days) and water temperature corrections during holidays. A control method of a climate compensator electric three-way valve comprises the steps of: calculating a theoretical user supply water temperature value according to an outdoor temperature and changes of a user supply water temperature, correcting the theoretical value to be a target supply water temperature value, comparing an actual user supply water temperature with the target supply water temperature, and adjusting the electric three-way valve to a best working state through combining with a heating end user indoor temperature and using an intelligent proportion integration differentiation (PID) control method, so that the actual supply water temperature output by a heat source accords with the target supply water temperature value, and the actual supply water temperature is tightly combined with the outdoor temperature, and consequently, heat supply requirements of heat users of the heating system are ensured, and the aim of maximum energy saving operation is achieved.

A battery pack apparatus includes a battery pack having multiple rechargeable batteries arranged in parallel and heat medium passages formed therebetween. The battery pack apparatus also includes a heat insulation cover formed of a heat insulation material that covers a circumferential surface of the battery pack substantially entirely. A supply passage and a discharge passage are provided between the heat insulation cover and the battery pack. The supply passage supplies a heat medium to the heat medium passages while the discharge passage discharges the heat medium from the heat medium passages. The battery pack apparatus also includes a supply device that supplies the heat medium to the supply passage.

A heat pump system including a water-cooled type heat exchanger, which is a heat supply means, mounted on a first bypass line bypassing a second indoor heat exchanger to collect waste heat of vehicle electric devices to thereby enhance a heating efficiency of the heat pump system. The heat pump system for a vehicle includes: a branch line for connecting a refrigerant circulation line of the second indoor heat exchanger and the first bypass line with each other; a second bypass line, which bypasses an outdoor heat exchanger; and a control part that controls a flow of the indoor air to be introduced into an air-conditioning case, whereby the heat pump system can minimize influences of the outdoor air of low temperature even when the outdoor temperature is below zero, enhance the operation and the heating performance of the heat pump system by collecting waste heat of the vehicle electric devices and heat sources of the indoor air, and increase the mileage of the vehicle by minimizing operation of an electric heater.

The invention discloses a micro-grid capacity programming method meeting a coupling type electric cold and heat demand, comprising: establishing a micro-grid capacity energy supply device capacity programming model meeting a coupling type electric cold and heat demand, and a micro-grid capacity energy supply device optimum capacity programming calculation method based on the multi-target particle swarm technology. According to the mode, the method solves the problem that a current programmed micro-grid needs to simultaneously provide power supply and cool supply (or heat supply) for users, and the problem of capacity optimum allocation among different energy supply devices when a coupling relation exists between electric cold supply and electric heat supply. The model realizes multi-target optimization under the condition of considering engineering, economy and security constraints of micro-grid energy supply devices.

The invention provides a scheduling method of a heat supply unit online load and a system. The scheduling method and the system are suitable for implementation of reasonable scheduling of a heat supply unit in a heating period. According to the method of the invention, based on the combination of real-time monitored data of parameters of the heat supply unit in a power grid, each heat supply index of a computer group, steam turbine variable working condition method and the actual operation status of the unit, an ordering power by heat mathematic model can be obtained, and therefore, power grid scheduling personnel can perform scheduling through adopting a minimum load mode, a load fast decreasing / increasing mode, and an energy-saving mode, and a basis can be provided for decision making in heat supply unit scheduling; according to weather forecast released by the meteorological department, and based on the combination of regression analysis results of historical data of the heat supply unit, weather, temperature and wind can be applied to heat supply quantity prediction; and according to predicted heat supply quantity, and based on the ordering power by heat mathematic model, electric power and electric quantity of a next day or a next month of the unit can be predicted.

The invention discloses an automatic boiler combustion control system of a circulating fluid bed, which is applied to machine sets for coal-fired power generation, heat supply or combined heat and power generation. The system comprises hardware and control program software, wherein the control program software comprises a fuel control part, an air volume control part and a deslagging control part, and the control program software can automatically and timely control the input quantity of boiler fuel, the oxygen content in the boiler and the boiler deslagging device. The combustion control system is applicable to all sorts of complicated operating conditions, has consistently correct and reliable reaction, advanced and reasonable algorithm design as well as good control effect, is safe and effective, has the capabilities of improving boiler combustion condition, increasing boiler combustion efficiency and reducing unburned carbon in flue dust, leads main steam pressure control to be stable, enhances the capability of tracking the change in load of the boiler and greatly improves the running safety performance, leads main steam temperature control precision to be effectively improved, avoids temperature excursion of an overheater, reduces the danger of steam turbine water slug caused by low-temperature steam, and improves the thermal efficiency and automation control degree of the steam turbine.

The invention discloses an energy-saving heat supply system with a function of reducing the temperature of heat supply return water, and belongs to the field of improvement of energy utilization efficiency. Heat exchange can be repeatedly carried out on heat sources by multistage heat exchangers, multistage absorption heat exchange units, multistage compression heat pumps and an ice making type refrigerator, accordingly, the heat supply areas can be enlarged, and the energy utilization efficiency can be improved. The energy-saving heat supply system has the advantages that the temperature of the return water of heat supply primary pipe networks can be reduced and reach 0 DEG C, the return water contains 10% of ice particles, accordingly, route heat loss of the return water of the heat supply primary pipe networks can be reduced, the temperature difference of the return water of the heat supply primary pipe networks can be increased and reaches 118 DEG C from the original 60 DEG C, the flow rate of circulating water of the heat supply primary pipe networks can be lowered, energy consumption of circulating pumps can be reduced, heat supply flow rates of a user side can be greatly increased, the delivery efficiency of the pipe networks can be improved, the heat supply scale can be expanded, waste heat of a cooling tower can be recycled, and the like.

The invention discloses an integral low-temperature nuclear heat reactor with the circuit equipment adopting integral arrangement and belonging to the low- and medium-parameter pressurized-water reactor, wherein, a reactor core adopts the mature nuclear power plant fuel component and control rod component; a main heat exchanger is of integral coil type; a voltage stabilizer is a built-in nitrogen partial pressure control voltage stabilizer; coolant circulation is completed by a built-in jet apparatus and the equipment of an external drive circuit; the drive circuit and the equipment and a main circuit auxiliary system are arranged at the circumference of a reactor pressure vessel; a containment vessel consists of a reactor body containment vessel and a reactor top containment vessel; the reactor body containment vessel which is a structure combined by a reactor vault of reinforced concrete structure and a casing of steel structure is connected with a sealed refueling water storage pool through a pipe and a valve. The thermal power of the reactor can be selected between 50MW and 500MW at will and the outlet temperature of the reactor can be selected between 100 DEG C to 200 DEG C according to application, requirement and power.

The invention provides a heat accumulating type electric heating optimizing operation control method improving wind power absorption for solving the problems that a wind power heat supply operation manner is simple in our country, and the discarded wind power quantity cannot be flexibly and reasonably matched. The heat accumulating type electric heating optimizing operation control method improving wind power absorption is characterized by comprising the steps of the mechanism of improving wind power absorption through heat accumulating type electric heating, the evaluation index acquisition, operation of a heat accumulating type electric boiler, control analysis of the heat accumulating type electric boiler and the like. According to the operation control method, the requirement for loads of a user can be met, and more discarded wind power quantity can be absorbed; and the heat accumulating type electric heating optimizing operation control method has the advantages of being scientific and reasonable, high in adaptability, capable of fully utilizing energy more effectively, good in effect and the like.