34results about How to "High heating coefficient" patented technology

The invention relates to a dual heat source heat pump system suitable for electric vehicles, including a heat pump heating / refrigerating cycle system, a power battery system heating / cooling cycle system, a photovoltaic-power battery charging system and a PVT evaporator heat dissipation system; the heat pump heating / cooling system Refrigeration cycle system, including No. 1 four-way reversing valve, expansion valve, No. 1 air-cooled heat exchanger, No. 1 solenoid valve, No. 1 three-way valve, No. 2 four-way reversing valve, compressor and PVT evaporator; The heating / cooling circulation system of the power battery system includes a No. 1 heat exchanger, a liquid storage tank, a No. 2 three-way valve, an electric heater, a No. 2 solenoid valve, a No. 3 solenoid valve, a No. 1 pump, and a No. 2 air-cooled valve. Heat exchanger, No. 4 solenoid valve, power battery system and motor system. The beneficial effects of the present invention are: the present invention combines the PVT evaporator with the air source heat pump system of the electric vehicle, which can increase the heating coefficient of the heat pump system, reduce power consumption, and improve the battery life of the power battery system in winter.

The invention discloses a new energy automotive air conditioning system with rapid defrosting and demisting functions. The system is characterized by being mainly composed of an interior heat exchanger side primary temperature rise and heat increase subsystem, a compressor side secondary temperature rise and heat increase subsystem, an exterior heat exchanger side third-stage temperature rise and heat increase subsystem, a power device composite heat recovery subsystem, a decompression expansion mechanism, auxiliary equipment, a connecting pipeline and the like. According to the new energy automotive air conditioning system with the rapid defrosting and demisting functions, provided by the invention, due to a combination of three temperature rise and heat increase subsystems such as the interior heat exchanger side primary temperature rise and heat increase subsystem, the compressor side secondary temperature rise and heat increase subsystem and the compressor side secondary temperature rise and heat increase subsystem, the prominent problems that the exhaust temperature of the compressor is extremely high, the interior heat exchanger has thick frost and defrosting difficulty, the system heat supply capacity and efficiency are low and the system operating reliability is low during heat pump air-conditioning low-temperature operation and the like can be obviously solved.

The invention discloses a baffling dust removal heat pump type drying room. An inner circulating bifurcated fan is arranged in the drying room, and comprises a long shaft and blades. The blades are in a long strip shape, and the sections of the blades are in the shape of a hollow wedge symmetric about the radial direction and center of an impeller shaft. The two ends of each blade are inserted into end discs, and the long shaft is connected and fixed with the end discs through spokes. A draught hood and an air inlet hood are arranged at the two ends of the drying room respectively, the draught hood is connected with an induced draft fan, and the induced draft fan is connected with an evaporator of a heat pump system through a dust remover and then is evacuated. The evaporator of the heat pump system is connected with a main engine through a refrigerant pipe, and the main engine is connected with a condenser through a refrigerant pipe. The air outlet end of an air blower is connected with the air inlet hood through the condenser. The induced draft fan and the impeller of the bifurcated fan are both designed to be of a hollow symmetric structure, and are free of dust accumulation, light, firm and durable. Heat pump cross flow drying and tail heat recovery are especially suitable for being adopted in a low drying temperature system, the nutritional ingredients of thermosensitive substances can be prevented from being damaged, and efficient drying, dust removal and heat recovery are completed with low energy consumption through the system.

The invention relates to a direct-fired heat pump process and equipment for produced water in strong corrosion and high salinity oilfields. The process first sends the oilfield produced water from the sewage tank to the tube side of the produced water low-pressure heat exchange evaporator, and the produced water low-pressure heat exchange evaporator shell side has low-pressure clean water, which enters the low-pressure absorber shell side after absorbing heat and vaporized, and is concentrated After the lithium bromide solution is absorbed, it becomes a dilute lithium bromide solution and releases heat. The dilute lithium bromide solution is boosted by an anti-corrosion water pump and then sent to the direct-fired generator to be heated to boiling. The vaporized atmospheric pressure water vapor is sent to the shell side of the atmospheric pressure condenser through the pipeline. The present invention extracts part of the heat energy from the oilfield produced water, and uses it for production or daily life after the direct-fired heat pump drives the temperature up, not only can the low-grade heat energy of the oilfield produced water be efficiently utilized, but also the thermal efficiency of the system is about 1.85, which is about the same as that of a common heating furnace. Compared with the existing technology, the heating coefficient has been improved three times, two processes and water pumps have been omitted, and the corrosion and scaling problems of oilfield produced water have been solved.

The present invention relates to a geothermic electric heating static heat-stored heating heat quantity slowly-releasing structure, its construction process and application. Its structure comprises up-down laminated heat-storing layer and heat quantity slowly-releasing layer, the geothermic cable is embedded in the heat-storing layer formed from heat-storing material whose heat-conducting coefficient is 0.3-0.79w.m(-1).k(-1), said heat-storing layer is covered with the slowly-releasing layer formed from slowly-releasing material whose heat-conducting coefficient is 0.04-0.07 w.m(-1).k(-1), and the temp. sensor is embedded in the slowly-releasing layer, and is series-connected with geothermal cable loop. Its application includes the following steps: starting power supply to supply power to geothermic cable, and storing heat energy in heat-storing layer, then slowly-releasing the heat energy to heating space by means of slowly-releasing layer.

The invention relates to a heat pump circulating system and a method thereof. The heat pump circulating system comprises a compressor, an internal heat exchanger, a throttling valve, an external heat exchanger and a four-way valve. The four-way valve is respectively connected with the refrigeration working medium entrance of the compressor, the refrigeration working medium exit of the compressor,the internal heat exchanger and the external heat exchanger; the four-way valve is provided with a first valve position and a second valve position; when the four-way valve is positioned at the firstvalve position, the refrigeration working medium exit of the compressor is connected with the external heat exchanger and the refrigeration working medium entrance thereof is connected with the internal heat exchanger; and when the four-way valve of the compressor is positioned at the second valve position, the refrigeration working medium exit of the compressor is connected with the internal heat exchanger and the refrigeration working medium entrance thereof is connected with the external heat exchanger which is internally filled with a heat storage agent. The heat pump circulating system and the method thereof adopt water, especially tap water, as a heat source with low cost and high heat exchange efficiency so as to be capable of improving the circulating heat efficiency of the heat pump.

The invention discloses a cyclone dust removal heat pump type tunnel drying device. A trolley is arranged on a track path of a tunnel, an internal recycling long-shaft fan is arranged in the tunnel, the long-shaft fan comprises a long shaft and blades which are all shaped like a long stripe, and the cross section of each blade is a shaped like a hollow reversed water drop symmetrical to the radial direction and the center of an impeller shaft; the two ends of each blade are inserted into end plates respectively, and the long shaft is connected and fixed with the end plates through spokes; the two ends of the closed type tunnel are provided with an air draft hood and an air intake hood respectively, the air draft hood is connected with a draft fan, and the draft fan is connected with an evaporator through a cyclone dust collector for emptying; the evaporator of a heat pump system is connected with a main machine which is connected with a condenser; an air outlet end of an air blower is connected into an air hood through the condenser; the draft fan and the long-shaft fan impellers are both designed to be of a hollow symmetrical structure, dirt retention does not exist, and lightness, firmness and durability are achieved. According to the cyclone dust removal heat pump type tunnel drying device, heat pump cross flow drying and tail heat recovery are suitable for being adopted by a low-temperature drying system, destroy to heat sensitive components can be prevented, and the system can complete drying, dust removing and heat recovery efficiently with low energy.

The invention discloses a heat pump type waste-heat recovery microwave oxygen-insulation drying machine. A tunnel-shaped glass cover is fixed on a base plate of a conveying belt, an upper plate of the tunnel-shaped glass cover is provided with ventilation screen holes and covered with a glass packing ring, a microwave unit is arranged above the packing ring, materials on the conveying belt is heated by microwaves in the glass cover and reach the conveying belt of an insulation tank body through a slide plate, a cutoff curtain and a blower are arranged at an outlet of the glass cover, and another cutoff curtain is arranged at an inlet of the glass cover. An exhaust pipe is communicated with a microwave unit above the ventilation screen holes, and heat in the exhaust pipe is transferred through a heat pump and then enters a hot air drying system of the insulation tank body. By the heat pump type waste-heat recovery microwave oxygen-insulation drying machine, continuous efficient enzyme deactivation and synchronous oxygen-insulation drying are realized in a non-vacuum condition, and industrialized implementation is facilitated. The heat pump is low in power consumption and high in heating coefficient, waste heat can be completely recovered, and cost and energy consumption are reduced. The packing ring insulates the air and timely evaporation of moisture is guaranteed. Hot-air countercurrent is kept in uniform quality, and the drying machine is particularly suitable for drying agricultural products which are prone to enzyme promoting and high-temperature oxidation browning and is wide in prospect.

The invention relates to a mud drying system and a use method thereof. The mud drying system comprises a transcritical heat pump auxiliary heat supplying loop, a heat pump auxiliary heat supplying loop, an air heating and waste heat recovering loop and a hot water circulation loop; the transcritical heat pump auxiliary heat supplying loop comprises an evaporator, an internal heat exchanger, a compressor, a gas cooler and a throttle valve; the heat pump auxiliary heat supplying loop comprises an evaporator, a wastewater and waste heat recovering evaporator, an internal heat exchanger, a compressor, a condenser, a throttle valve, two stop valves and a wastewater tank; the air heating and waste heat recovering loop comprises a hothouse, an air compressor, a gas discharging and carrying port,a first evaporator, the other evaporator and a condenser; and the hot water circulation loop comprises a pump, a hothouse and the condenser in the heat pump auxiliary heat supplying loop. The invention adopts the hothouses to obtain solar energy to heat mud and utilizes the transcritical heat pump auxiliary heat supplying loop and the heat pump auxiliary heat supplying loop to recover the sensible heat and the latent heat in humid air to heat mud, thereby lowering the energy consumption for drying the mud. The invention can be widely applied to various mud processing fields.