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365results about How to "Increase the ambient temperature" patented technology

Multi-condenser and double-return-air bypass dehumidification fresh air unit and air conditioning method

The invention relates to a multi-condenser and double-return-air bypass dehumidification fresh air unit and an air conditioning method. The multi-condenser and double-return-air bypass dehumidification fresh air unit comprises an air feed channel and an exhaust channel. A first heat exchanger and an air feeder are sequentially arranged at the position of the air feed channel. A second heat exchanger and an exhaust fan are sequentially arranged at the position of the exhaust channel. The second heat exchanger is connected with an auxiliary heat exchanger. A first return air bypass valve and a second return air bypass valve are arranged between the air feed channel and the exhaust channel. According to the multi-condenser and double-return-air bypass dehumidification fresh air unit, during refrigerating, the second heat exchanger serves as a condenser, a refrigerant is condensed through the indoor low-temperature exhaust air, the condensation temperature of the unit is reduced, and reheating is conducted through mixing of bypass return air and low-temperature fed air on the air feed side so that cooling capacity losses caused by cold and heat offset can be avoided; in a heating inner circulation mode, an outdoor unit can be started to rapidly increase the indoor environment temperature; and in an outer circulation mode, the second heat exchanger serves as an evaporator, the refrigerant is made to be evaporated through the heat of indoor exhaust air, the evaporation pressure and the heating capacity of the unit are increased, the power consumption of the unit is reduced, and the frosting risk of the unit is avoided.
Owner:JIANGSU HUIJU ARCHITECTURE TECH CO LTD

Stelmor line cooling method and cooling apparatus of high-speed rod-rolling mill

ActiveCN101480669ACool evenlyRealize top and bottom air coolingWork treatment devicesMetal rolling arrangementsWire rodEngineering
The invention relates to a cooling method and a cooling device for a stelmor wire of a high-speed wire mill. The cooling device for a stelmor wire of a high-speed wire mill adopts the structure that the lower side of a transport roller way of a stelmor wire is sequentially provided with a plurality of upper draught fans along the direction of the transport roller way, the upper side of the transport roller way of the stelmor wire is also sequentially provided with a plurality of lower draught fans along the direction of the transport roller way, the upper draught fans are arranged on a steel structural frame which can be conveyed in a hanging way, an air outlet of each upper draught fan is symmetrical to an air outlet of each lower draught fan relative to the transport roller way, and an included angle between the air direction of each upper draught fan and the transport roller way is equal to an included angle between the air direction of each lower draught fan and the transport roller way. The cooling method is applicable to the cooling device. Furthermore, additionally provided with the the draught fans on the transport roller way, the cooling device realizes the upper air cooling and the lower air cooling of the wires, increases the cooling speed, and causes the wires to be cooled more evenly, thereby the invention solves the problems of nonuniform wire contact-point structure and nonuniform mechanical property.
Owner:BAOSHAN IRON & STEEL CO LTD

Livestock carcase harmless disposal technology and biological organic fertilizer processing method

The invention relates to a method for conducting harmless disposal on various livestock carcases through a method of comprehensively utilizing and combining the physical technology, the chemical technology and the biological technology, and processing the livestock carcases into biological organic fertilizer. The livestock carcases can be processed into biological organic fertilizer rick in nitrogen, phosphorus, potassium and various microelements by further conducting enzymolysis through protease, lipase and the like and conducting compost thermophilic fermentation and drying after conducting sterilization, deordorization and gelatinization through a high-temperature and high-pressure steam explosion technology with the livestock carcases as main raw materials and with crop straw as adsorption carriers and filler. The biological organic fertilizer has the beneficial effects of being capable of holding water and fertilizer and being released slowly, durable, and the like. The biological organic fertilizer can be safely and trustingly used for organic vegetables, fruit and other products due to the fact that the detection shows that the biological organic fertilizer is free of pathogenic bacteria and antibiotic drug residues. No emission of sewage or germs or drug residues or poisonous gas is caused in the whole process, and the dual effects of protecting the environment and utilizing resources to the maximum extent are achieved.
Owner:霍英军

Battery system

The invention provides a battery system, and belongs to the technical field of batteries. The battery system comprises a case, a plurality of sections of battery cells, a temperature collecting probe, a BMS (battery management system), a heating and refrigeration assembly, a liquid flowing pipeline, a heat conduction medium and a water pump, wherein the liquid flowing pipeline passes through a gap formed among the plurality of sections of battery cells; the water pump drives the heat conduction medium to realize circulation flowing inside the pipeline; the temperature collecting probe and the heating and refrigeration assembly are electrically connected with the BMS; the BMS controls the heating and refrigeration assembly to work according to the temperature information feedback by the temperature collecting probe; the heating and refrigeration assembly and the liquid flowing pipeline perform heat exchange through a water cooling head so as to realize the heating and the refrigeration on the heat conduction media inside the liquid flowing pipeline; the whole temperature control system is directly controlled by the BMS. The battery system is provided with the temperature collecting probe, the heating and refrigeration assembly and the BMS; the environment temperature of the battery cells is regulated through controlling the temperature of the heat conduction media inside the liquid flowing pipeline, so that the battery cells always work in a set temperature range.
Owner:王波

Water curing method and device for centrifuged pretensioned prestressed concrete pipe pile

The invention relates to a pipe pile water curing method. In the method, a water storage tank is arranged, and condensate water and residual steam in a still kettle are guided into the water storage tank; a pipe pile is placed in a steaming and curing pool, the condensate water in the water storage tank is guided into the steaming and curing pool, and the residual steam in water storage tank is guided into the steaming and curing pool; and steaming and curing the pipe pile in the steaming pool for 4-5 hours at 80-90 DEG C. The curing device comprises the steaming and curing pool, the water storage tank and the still kettle, wherein the steaming and curing pool is provided with a water-steam port; the water storage tank is provided with a residual steam outlet, a residual steam inlet, a condensate water outlet and a condensate water inlet; and the still kettle is provided with a steam inlet and a steam outlet. A condensate channel is arranged between the water-steam port of the steaming pool and the condensate water outlet of the water storage tank, and a steam channel is arranged between the water-steam port of the steaming pool and the residual steam outlet of the water storage tank. The condensate water inlet of the water storage tank is communicated with the condensate water outlet of the still kettle through a third electric control valve and a pipeline, and the steam inlet of the water storage tank is communicated with the steam outlet of the still kettle through a second steam valve and a pipeline.
Owner:JIANHUA CONSTR MATERIALS (JIANGSU) CO LTD

Circuit board heat conduction optimization design structure for onboard aviation product

The invention provides a circuit board heat conduction optimization design structure for an onboard aviation product. A heat-conductive board is arranged between a high-power highly-heat-radiating device and a PCB. The heat-conductive board is directly and additionally arranged on the PCB, so that the heat dissipation area is greatly increased; meanwhile, a soft silica gel heat-conductive fin is additionally arranged between the high-power highly-heat-radiating device and a heat-conductive aluminum plate so that an air gap can be eliminated, thermal contact resistance between the device and the heat-conductive aluminum plate can be reduced, and heat generated by the device can be rapidly conducted to the heat-conductive aluminum plate. A T-shaped structure of a heat-conductive and radiation heat exchange face is additionally arranged at the top of the heat-conductive aluminum plate. After the soft silica gel heat-conductive fin is additionally arranged on the upper end face of the T-shaped structure, the T-shaped structure is connected with a box body sealing cover into a whole, so that heat is effectively conducted to the surface of a box body, and the heat dissipation area is increased. A wedge-shaped pressing mechanism is adopted, so that the contact area between the heat-conductive aluminum plate and the box body is increased, heat conduction is effectively achieved, the temperature of the surface of an electronic device is rapidly lowered, and the service life of the product is prolonged.
Owner:SHAANXI BAOCHENG AVIATION INSTR

Inner arced ceiling thin wall straining cartridge throw-in type optical fibre Bragg grating pressure sensor

An inner arc top thin wall strain cylinder drop-type optical fiber Bragg grating pressure sensor, belonging to the field of sensor technology, relates to a drop-type optical fiber Bragg grating pressure sensor for pressure measurement, characterized in that the inner side top of a metal thin wall inner cylinder is arc structured; both of the pressure-measuring optical fiber Bragg grating and the temperature compensating optical fiber Bragg grating are packaged in metallization; the pressure-measuring optical fiber Bragg grating is welded to the outer wall side of the metal thin wall inner cylinder axially with metal; the temperature compensating optical fiber Bragg grating is welded to the top outer side of the metal thin wall inner cylinder with metal; the pressure-measuring optical fiber Bragg grating is vertical to temperature compensating optical fiber Bragg grating to each other; two signal extraction single mode fibers are also packaged in metallization locally when passing through an optical fiber exit hole, and welded to the optical fiber exit hole with metal so as to close the optical fiber exit hole. The invention improves pressure-measuring range for a pressure sensor so as to solve the crossing sensitive problem of two Bragg gratings, which enhances operating temperature range for the sensor.
Owner:DALIAN UNIV OF TECH

Single preheating, sintering, igniting and heat insulating furnace

The invention relates to a single preheating, sintering, igniting and heat insulating furnace with the advantages of simple structure, little pollution, obvious energy saving effect and high safety. The furnace comprises an igniting section and a heat insulating section, wherein the igniting section and the heat insulating section are connected into a whole and are arranged on a sintering machine table. The heat insulating section comprises an air preheating furnace, and an air heat exchanger is arranged in the air preheating furnace. The igniting section comprises a plurality of burning nozzles, and each burning nozzle is connected with a blast furnace gas pipe and a hot air pipe. A cold air inlet and a cold air input tube of the air heat exchanger are connected, and a fan is arranged on the cold air input tube. A hot air outlet of the air heat exchanger is connected with an inlet of the hot air tube. The air heat exchanger is arranged on a trolley. When the single preheating, sintering, igniting and heat insulating furnace is in working, the sintering compound of the waste gas trolley outputted by the air preheating furnace is insulated, and sucked into a large fume passage by the sintering compound surface of the trolley. The large fume passage is connected with the hot waste gas heat energy recovery system and the waste gas treating system to recover and utilize heat energy and remove harmful elements of sulphur and the like in the waste gas.
Owner:常州市黑山烧结点火炉制造有限公司

Brushless direct-current magnetic water pump

The invention provides a brushless direct-current magnetic water pump. The brushless direct-current magnetic water pump comprises a brushless direct-current motor, a pump seat, a pump cover and impellers. The brushless direct-current motor comprises a hollow motor shell, an electronic reversing control panel in the motor shell, and an end cover connected to one end of the motor shell in a sealed mode. The electronic reversing control panel is installed on the inner end face of the end cover, and a cooling water chamber for cooling the electronic reversing control panel is arranged on the outer end face of the end cover. One end of the pump seat is connected with the outer end face of the end cover in a sealed mode. The pump seat is provided with a water inflow hole and a water drainage hole which are communicated with the cooling water chamber respectively. The water inflow hole, the cooling water chamber and the water drainage hole form a fluid flow channel. The pump cover is connected with the other end of the pump seat in a sealed mode. An inner cavity is formed in the pump cover and communicated with the water inflow hole and the water drainage hole of the pump seat. Heat generated by the electronic reversing control panel is forcibly circulated and brought out in an end face water-cooling mode, the control panel can be cooled effectively and rapidly, the cooling performance of the motor is improved, and the service life of the motor is prolonged.
Owner:河北深海电器有限公司

Hot air supply device for quick deicing and snow removing system at bottom of high-speed rail train

The invention discloses a hot air supply device for a quick deicing and snow removing system at the bottom of a high-speed rail train. The hot air supply device comprises air supply columns arranged on one side of a deicing and snow removing station of the train, the air supply columns are lined up on the ground and evenly arranged, and 11-13 air supply columns are arranged corresponding to each section of train body. The air supply columns are fixed to the ground, communicated with an underground civil engineering delivery conduit and connected with a hot air unit in a hot air machine room through the underground civil engineering delivery conduit. Each air supply column of the hot air supply device comprises a column body, an air supply port, an air supply angle four-way regulating and locking device and an air quantity regulating valve, the air supply port is arranged on the top of the air supply column, and the air supply angle four-way regulating and locking device is arranged in the air supply port. According to the hot air supply device, hot air at a certain speed is blown out towards the bottom of the train through the air supply columns, heat exchange between ice and snow and the train body can be enhanced and the overall environment temperature of a garage can be improved through the air supply temperature and flowing of the hot air, and the functions of quick deicing and snow removing can be achieved. According to the hot air supply device, it can be guaranteed that the longest deicing operating time at the bottom of the compartment of the train is less than one hour, and technological requirements can be met.
Owner:CHINA RAILWAY DESIGN GRP CO LTD

Main driving mechanism of six-arm cutterhead used for shield machine

The invention discloses a main driving mechanism of a six-arm cutterhead used for a shield machine. The main driving mechanism comprises a shield machine cutterhead and a main driving mechanism. The main driving mechanism is characterized by mainly comprising a synchronous variable frequency motor (1), a gear device (2) and a main bearing (3), wherein the output end of the variable frequency motor (1) is tightly connected with the input end of the gear device (2); the output end of the gear device (2) is connected with the main bearing (3) and drives the main bearing (3) to rotate; the main bearing (3) is connected with a shield machine cutterhead by connected flanges (4); the upper part of the main bearing is provided with a sealing assembly (5); the synchronous variable frequency motor (1) is provided with brake; and the variable frequency motor (1), the gearing device (2) and the main bearing (3) are connected to form a dismountable integral structure. In the invention, the synchronous variable frequency motor serves as a driving mode, full-amount torque can be reached when speed is regulated within a range from 0 to 50Hz, and the main driving mechanism has the beneficial effect of small starting current, high efficiency and small noise harm and is simple to maintain.
Owner:海瑞克(广州)隧道设备有限公司
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