36 results about "Central solar heating" patented technology

The invention provides a central heating system with a heat accumulation peak regulation function. The central heating system comprises a heat supply network (1) and a terminal system (2), and is characterized in that the terminal system (2) comprises a heat accumulation/exchange module (3), a heat supply network side heat exchanger (4), an inner side heat exchanger (5), an internal circulating pump (6) and an internal cooling system (7). By the adoption of the central heating system and method, enhancement of the self-adaptation performance of a terminal and simplification of the control process are achieved by means of distributed heat accumulation, and therefore high-efficiency and low-cost operation is achieved.

The invention discloses a central heating system with co-operation of a carbon dioxide heat pump and solar energy. The system is composed of a solar hot water sub-system, a carbon dioxide heat pump sub-system, a thermal storage device, a heating and water return sub-system and a control system. One carbon dioxide heat pump or a plurality of carbon dioxide heat pump is operated in parallel. A group of solar thermal or a plurality of groups of solar thermal collectors are operated in parallel. One or the plurality of carbon dioxide heat pump and a high temperature zone and a middle temperature zone in the thermal storage device form a circulation system. A cold water tank supplies the carbon dioxide heat pump with water. The group of solar thermal or the plurality of groups of solar thermal collectors and the middle temperature zone in the thermal storage device form a circulation system. A mixing water controlling valve is use for controlling the water supplying temperature. The water return is controlled through time or temperature. The water returns back to an expansion zone in the middle temperature zone. The central heating system with co-operation of the carbon dioxide heat pump and the solar energy improves the utilization rate of solar energy, maximize the using efficiency through the reasonable operation of the carbon dioxide heat pump, and reduce energy usage amount, thereby improving system efficiency and energy efficiency.

The invention relates to a geothermal-based central heating method using a thermal-increasing heat supply machine unit, belonging to the field of heat supply engineering. The method adopts the soil source or water source thermal-increasing heat supply machine unit to replace a heat exchanger used in the conventional central heating method, uses high temperature hot water supplied by a primary heat supply network as the driving heat source of the thermal-increasing heat supply machine unit, extracts heat from low grade heat source such as thin layer soil or water source, and supplies heat to the user by heating a secondary heat supply network by using the driving heat source and the low grade heat source. The heating method mainly comprises a centralized heat source (which is generally a cogeneration unit, fire coal, a gas heating boiler or the like), the primary heat supply network, the thermal-increasing heat supply machine unit, the secondary heat supply network, an underground embedded pipe, a water source taking well, a recharge well, a heat dissipation end arranged at the side of the user, and accessories connected with the heat dissipation end. Compared with the conventional central heating method, the method expands the forms of the heat sources of a central heating system, thus improving the heating capability of the system and reducing the heating cost.

The invention relates to a central heating system based on the distributed heating and heat storage technology. The central heating system comprises a solar energy middle-high temperature heat collecting system, a heat storage device, a heat exchanger, a control system and the like. A central heating pipe network comprises a solar energy heat collecting system and a phase change heat storage system; the solar energy heat collecting system absorbs steam in a solar energy heating pipe network to meet the requirements of users; and the phase change heat storage system has two operating modes of high-temperature heat-conducting oil heat storage and electric-heating heat storage. When the solar energy heat collecting system is sufficient in heat, a valve is adjusted to enable heat-conducting oil to flow through the a phase change heat storage device, a heat storage material is heated to realize the heat-charging process; or off-peak electricity is utilized to drive an resistance wire to emit heat, the heat storage material stores the part of heat to achieve the heat-charging process. When the solar energy heat collecting system cannot meet the heating requirement, the stored heat is released to heat the steam, clean energy is fully utilized, and economy of the central heating system is improved.

The invention relates to a micro-channel solar heating system based on a superconducting heat pipe technology. The micro-channel solar heating system based on the superconducting heat pipe technology is characterized in that solar energy is transferred to a working medium through a micro-channel heat exchanger, the working medium is heated and flows into a heat storage water tank, a refrigerating fluid in a copper pipe is heated through a heat exchanger so as to absorb heat and be gasified, and a superconducting fluid is heated on the bottom part of a radiator so as to release heat and then is condensed to return to the heat storage water tank; the superconducting fluid changes in phase after being heated, changes from a liquid state to a gas state so as to upwards flow along a vertical pipeline, and transfers heat to the surface of the radiator for supplying heat at the same time; and the gas-state superconducting fluid is condensed to naturally return during a radiating process, a water tank sensor starts a supplementary heat source when the water temperature is lower than the set temperature, and heating is carried out through an electric heater so as to meet the heat requirement on evaporating the refrigerating fluid. According to the micro-channel solar heating system based on the superconducting heat pipe technology provided by the invention, a micro-channel solar heat collector is adopted, the superconducting heat pipe technology is utilized, and the refrigerating fluid is used as a heat transfer medium, so that the radiator can be heated quickly, the solar energy conversion efficiency is improved, and the heating comfort is ensured.

The invention provides an air-conditioning system improvement method and device for applying all-weather solar heating and relates to the technical field of energy conservation and energy utilization. The air-conditioning system improvement method and device for applying all-weather solar heating are mainly applied to the air-conditioning heating industry. In an original air-conditioning system provided with a single cold host machine used in cooperation with a cooling tower and a boiler, a plate heat exchanger, a solar heat collection plate and an energy storage tank are utilized, and a circulation loop is added. The cooling tower is used for absorbing heat in winter air. The solar heat collection plate is used for absorbing solar photo-thermal energy and then transferring the solar photo-thermal energy to the plate heat exchanger. The single cold host machine is used for absorbing heat of an antifreezing solution. The plate heat exchanger is additionally arranged to form secondary circulation to prevent the antifreezing solution from freezing, and heat can be supplied to indoor users without starting the boiler when the outdoor temperature is above five DEG C; on the condition of not changing the original system and maintaining the summer working performance, the winter heat supply function is increased, the utilization rate of the single cold host machine and the cooling tower is increased, the usage time of the boiler is greatly shortened, the energy utilization rate is increased, and environmental pollution is reduced.

The invention discloses a seasonal-storage heating and combining refrigerating system and an application method thereof. The seasonal-storage heating and combining refrigerating system comprises a solar thermal collector, an underground thermal stratification pool, a water source heat pump unit, a plate-type heat exchanger, an air conditioning terminal fan coil and a cooling tower, wherein the solar thermal collector, the underground thermal stratification pool, the water source heat pump unit, the plate-type heat exchanger, the air conditioning terminal fan coil and the cooling tower are connected together through pipelines, valves and circulating pumps. The seasonal-storage heating and combining refrigerating system provided by the invention has the advantages that the heat storage efficiency is high, the heat exchange property is good, and the operation and maintenance are simple; solar energy can replace traditional fossil fuel to provide a hot source for room heating, and thus the seasonal-storage heating and combining refrigerating system plays a positive role in environmental protection; and as solar energy is used in any season, the solar energy use ratio is improved to the maximum and can be up to more than 70%, and the purposes of energy conservation and emission reduction are fulfilled.

The invention discloses a central heating system of a solar water heater, which comprises a water tank connected with a heat collector and a sensor for testing water temperature and water amount, wherein the heat collector is connected with a plurality of non-bearing water tanks which are connected with bearing water tank through pipelines; the bottom of the bearing water tank is connected with a hot water pipe and a heating return pipe; the hot water pipe is connected with a shower head of each bath; the heating return pipe is connected with a heating strip of each heating room; the upper part of the non-bearing water tank is connected with a temperature control circulating pipe; and both the hot water pipe and the heating return pipe are communicated with the temperature control circulating pipe. The heating system is automatically controlled, safe and reliable; the outside of the bearing water tank connected with the user terminal is provided with an auxiliary heating device to ensure the stability of the water temperature; the water can be used at any moment; at the same time, the heating system avoids the process of exhausting cold water before using hot water, and saves water resource and user time.

The invention belongs to the technical field of heating, and particularly relates to an air energy auxiliary preheat heating method and a heating method for a water heating unit. The heating method is characterized in that circulating water in a heating system is used for generating power through a small hydroelectric generator, electricity power generated by the hydroelectric generator is used for preheating air, generated hot air and water in a water tank are mixed to preheat the water, preheated water enters a heating circulation pipe network for heating after the temperature of the preheated water further rises through electromagnetic heating or quartz tube heating, and the circulating water is cooled after heating and flows back to the water tank for preheating again and heating recycling. The air energy auxiliary preheat heating method has the beneficial effects of being safe and environment-friendly in usage, low in energy consumption and high in heat efficiency. According to the air energy auxiliary preheat heating method, electromagnetic heating or quartz tube heating is used for replacing fire coal heating, atmospheric pollutants cannot be generated, and the pollution to the environment is avoided; and hot air is used for preheating the water, and the energy consumption for heating the unit is greatly reduced. The air energy auxiliary preheat heating method can be applied to central heating or family splitting heating, and is a perfect substitute technology of a fire coal hot water heating system at present.

The invention discloses a small solar heating folded plate type UASB system, which comprises a heat energy collection system, a heat storage tank, an electric control system and a UASB anaerobic reactor. According to the system, heat of sunlight is collected into a top heat collector by a solar collector tube; water in the heat collector is pumped into the heat storage tank through a lift pump, and continuously circulates, so as to store the heat; hot water in the heat storage tank is pumped into an annular heating copper tube in the UASB reactor to heat the system by a water pump; 3-5 inclined D-type baffle plates are arranged in the UASB; supernate and sewage are absorbed by the lift pump from the top and are pumped into a water distributor at the bottom of the UASB; water impacts back and forth between the baffle plates to form turbulent flow, so that the water is fully mixed evenly in the system, and is finally discharged through a top dual-layer three-phase separator; and efficient treatment on high-concentration organic wastewater under the condition of low power consumption is achieved.

The invention provides a central heating system utilizing condensing and cooling heat in the form of gradient, comprising a higher temperature cooling circulating water inlet pipeline, a cooling circulating water inlet header pipe of a cooling device (at the moment, the higher temperature cooling circulating water is first gathered to the cooling circulating water inlet water and then sent into cooling devices like a cooling tower and the like) and a standard cooling circulating water return pipeline. The central heating system is characterized in that, between the higher temperature cooling circulating water inlet pipeline and the standard cooling circulating water return pipeline, before the higher temperature cooling circulating water inlet water flows to the cooling device to be gathered to the cooling circulating water inlet header pipe, the central heating system utilizing condensing and cooling heat in the form of gradient is formed. By using the invention, the condensing and cooling heat in the process can be effectively utilized to save energy resources, reduce condensing and cooling load, reduce heat pollution and save large amounts of water resources.

The invention belongs to an electromagnetic heating type solar heating system, which comprises a solar water heater (3) and a master controller (14). The electromagnetic heating type solar heating system is characterized in that: the solar water heater (3) is communicated with a load (radiator) (9) by using a water tube (5), a water storage tank (16) is communicated with the load (radiator) (9) by using a water tube (5), and is communicated with a water pump (15) by using a tube, the water pump (15) is communicated with an electromagnetic heater main engine (10) by using a water tube (5), and the electromagnetic heater main engine (10) is communicated with the load (radiator) (9) by using a tube. Because the invention chooses the solar water heater as a main heat source, energy is saved and no pollution is produced, which is favorable for environmental protection; the automation degree is high; the electromagnetic heating type solar heating system is particularly suitable for heating in scattered rural houses or buildings and houses without central heating in winter, and can satisfy various demands on heat.

The invention provides an all-weather solar heating system and a using method thereof. The heat transfer medium outlet of a concentrating collector (1) is connected via a pipeline to an energy storage system (2) and a heating system (3) through a first regulating valve (5) and a second regulating valve (6). The energy storage system (2) comprises an energy storage tank (201), and the energy storage tank (201) is provided with an energy storage tank inlet (202) and an energy storage tank outlet (203). The energy storage tank (201) is filled with energy balls (203), and each energy ball (203) includes a steel spherical shell which is filled with molten salt. The all-weather solar heating system absorbs solar energy and is heated up during the day, the redundant solar thermal energy can be stored in the energy storage system, and thus, a mode of all-weather heating based on solar energy utilization supplemented by the heating system is achieved.

The invention relates to a device for production of biogas by winter solar heating combined with ultrasonic assistance and belongs to the technical field of biogas fermentation devices. The device comprises a heat collector, a water tank, a heat accumulation tank I, a heat accumulation tank II, a biogas tank, a thermocouple I, a thermocouple II, a thermocouple III and a temperature controller; theheat collector is used for heating water in the water tank, the hot water in the water tank can also perform energy accumulation on the heat accumulation tank I and the heat accumulation tank II; theheat accumulation tank I and the heat accumulation tank II simultaneously can heat the biogas tank. The device provided by the invention has the benefits that solar energy resources are utilized forheating, so that environmental protection and energy conservation are realized, and the biogas tank is ensured to normally produce the biogas in winter; through the two heat accumulation tanks, the heat accumulation capacity is greatly improved; the heat recovery rate is high, the processing amount is large, the use is convenient, and the efficiency is high.

The invention relates to a system and method of hot water central heating engineering, based on the present hot water central heating engineering system, adding heat pump heating unit and heat pump primary heater unit, abstracting low temperature thermal energy from heating water and changing it into high grade thermal energy which can be reused by users. By using the intrinsic first level heating pipe net, the heat capacity can be increased a lot and the water temperature can be decreased. (the lowest temperature can be reached is 5 deg. C)so that the heat loss can also be decreased when delivered in water pipe net. Only heat pump heating unit and heat pump primary heater unit need to be added in the hot water central heating system which has been built, so the invention has the following advantages of saving cost, extending central heating radius decreasing amount of redundant heating boiler room, increasing heat energy utilization factor, and doing good for environment protection, saving energy, decreasing pollution.

The invention discloses a domestic heating network active heat exchange system in a central heating system. The domestic heat supply network active heat exchange system comprises three cycles, that is, a primary water cycle central heating pipe network, a secondary water cycle user heating network and a refrigerating cycle of an ejector heat pump; and hot water of the central heating pipe networkis subjected to stepped cooling utilization by the ejector heat pump, and heat is transferred to a radiator at an end user by an ejector through a refrigerating cycle system, a primary water cycle system and a secondary water cycle system. The domestic heating network active heat exchange system comprises the ejector refrigerating cycle including a heat exchanger. The ejector heat pump technologyis simple, low in cost and reliable, and the mechanism is easy to understand. The domestic heating network active heat exchange system is especially suitable for being applied to a domestic heating network and can achieve active heat transfer from low-temperature primary return water to secondary high-temperature supply water. By means of the technology, consumption of energy which is transmittedand distributed by a water system is remarkably reduced. The temperature is further lowered by 10-15 DEG C, and thus, energy consumption of a water pump can be reduced by 50-60% or so. We can expect to achieve a better energy saving effect based on smaller heat losses of the heating pipe network.