35results about How to "Reduce heat exchange rate" patented technology

The invention relates to an efficient heat exchange water pipe and a heat pipe radiant heating/refrigerating system. The efficient heat exchange water pipe and a flat heat pipe are arranged in an intersecting mode so as to conduct heat exchange. The efficient heat exchange water pipe is made of metal materials through extrusion or stamping forming, and an array structure composed of two or more small-caliber pipes arranged side by side in the length direction of the water pipe is arranged in the water pipe. The efficient heat exchange water pipe is provided with a flat surface attached to the flat heat pipe. The side walls of the small-caliber pipes are connected with one another. The internal equivalent diameter of each small-caliber pipe ranges from 1 mm to 15 mm. One end of the efficient heat exchange water pipe is provided with a connector which is communicated with an external water source. The small-caliber pipes are communicated with the water source through the connector. The efficient heat exchange water pipe has the advantages of being high in heat exchange efficiency. According to the heat pipe radiant heating/refrigerating system with the efficient heat exchange water pipe, indoor heating and refrigeration are completed through the heat pipe radiation technology and dehumidification can also be achieved; the heat pipe radiant heating/refrigerating system with the efficient heat exchange water pipe has the advantages of being simple in technology, safe in operation and high in efficiency.

The invention discloses an indoor and outdoor dual-cycle air purification system for a metal heat exchanger and relates to the novel air purification system. The air purification system is suitable for a site that indoor air is needed to be exchanged and purified with outdoor air. The air purification system comprises an air circulation switcher, a chassis, an air supplying blower, an air exhausting blower, a function controller, an air filtering filter element, a water draining electromagnetic valve, a water level controller, a PM2.5 infrared sensor and a metal plate piece type heat exchanger; the air supplying blower is installed on the upper position of one end of the chassis, the air exhausting blower is installed on the bottom end of one end of the chassis, an indoor air returning inlet is formed in the upper position of the other end of the chassis, an indoor new air outlet is formed in the lower position of the other end of the chassis, the air filtering filter element is installed in the middle portion of the chassis, the metal plate piece type heat exchanger is installed on the lower portion of the air filtering filter element, and the air filtering filter element and the metal plate piece type heat exchanger separate the chassis to form two channels; the water draining electromagnetic valve is installed at the bottom of the chassis, and the water level controller and the PM2.5 infrared sensor are installed in the chassis; and the function controller is installed on the upper portion of the chassis.

The invention relates to a residence and an office building capable of insulating heat, reducing temperature, filtering dust and isolating noise with a water-window solar water heater. The invention consists of the water-window solar water heater, a dry window, a wall air inlet dust-filtering cooling silent system, a water inlet and outlet pipe system, a valve, a theft-proof door, an outdoor shoe step dust-removing cushion, a door lane, a shoe cabinet and a built-in door which are in the door lane, and an indoor air exhaust fan, wherein the wall air inlet dust-filtering cooling silent system is provided with a bent pipe, a glass bowl hole cylinder, a micropore flexible hose in the interlayer and a chemical fiber sliver inside. The task of filtering dust and isolating noise can be finished at the same time of introducing air into the room through the bent pipe, and a small fan in the bent pipe can blast air in summer to take away the heat carried by the micropore flexible hose in the interlayer so as to input cool air into the room as a natural air conditioner without discharging heat; and the air is sterilized and deodorized through self-cleaning glass technology to emit negative ions so that the air is fresh and the room is quiet. In the premise of not influencing lighting, the water window can supply hot water generated by the solar water heater for people to use, and a regenerative water-saving system can filter the used running water or rainwater or bathing water for reuse.

A heat dissipation structure of a pulse type high-power laser comprises a heat conduction apparatus fitted with a laser, the heat conduction apparatus is connected with at least one heat conduction tube, one end of the heat conduction tube is connected with the heat conduction apparatus, and the other end extends into a sealing phase change material. According to the pulse type high-power laser, the heat of the high-power laser in pulse type working is transferred to the phase change material for absorption through the heat conduction apparatus and the conduction tube, and the phase change material first stores the heat generated by the high-power laser in pulse type working and releases the heat slowly, the stable working time of the laser can be prolonged, and the heat exchange speed of the laser with the external environment of a system can be reduced, so that the quick heat dissipation affecting other apparatus and members and scalding to a user can be avoided.

A cooler comprises a cylindrical shell, a cooling core set and an inner container, wherein the cooling core set and the inner container penetrate through the shell to be installed. An oil inlet and an oil outlet are respectively formed in two ends of the shell; the cooling core group comprises a through-flow pipe and a flow guide plate, and the through-flow pipe and the flow guide plate are mounted in the inner container; an oil storage cavity is formed between the outer wall of the inner container and the shell. The flow guide plate comprises an inner through plate and an outer through plate, plate bodies of the inner through plate and the outer through plate are provided with open holes for the through-flow pipe to penetrate through, and the through-flow pipe perpendicularly penetrates through the open holes of the inner through plate and the outer through plate and is sealed with the open holes. According to the cooler, the inner container is installed between the flow guide plate and the shell, sealing can be formed at the edge of the flow guide plate, it is guaranteed that oil liquid passes through the through-flow pipe to be cooled, and the heat exchange efficiency is improved; in addition, the oil storage cavity is formed between the inner container and the shell, oil flows into the oil storage cavity, an oil layer which does not participate in cooling circulation is formed between the inner container and the shell, a certain heat insulation effect can be achieved, the heat exchange speed of the inner space and the outer space of the shell is reduced, and the heat exchange efficiency of the cooler is further improved.

A cold accumulation packing bag comprises a bag tube formed by a bag wall, a storage space is formed inside the bag tube, and the bag wall adopts a multilayer structure and comprises an inner wall layer, two cold accumulation layers and an outer wall layer from the inside out; the two cold accumulation layers are arranged side by side and separated from each other, each cold accumulation layer comprises an outer side outer film and an inner side outer film, the outer side outer film is in welded connection with the inner side outer film through heat-seal lines formed through hot pressing, and a plurality of mutually separated fluid reservoirs filled with a cold accumulation agent are arranged between the heat-seal lines; and the inner wall layer, the outer wall layer, the outer side outer film and the inner side outer film on the edge of the bag wall are in welded connection through the heat-seal lines formed through hot pressing. The temperature of commodities placed inside the storage space is kept through that the cold accumulation agent releases cold gradually, the cold accumulation packing bag provided by the invention has the advantages of simple use and wide application scope, can fully solve the problems in the final link of the cold chain logistics at the present stage, and meets the requirements of low temperature preservation and transportation of different commodities.

The invention relates to the field of building wallboards, in particular to a heat insulation integrated building wallboard which comprises a framework internally filled with heat insulators. An innerside plate and an outer side plate for keeping the heat insulators in the framework are arranged on the inner side and the outer side of the framework, a cushion block is arranged on the outer side face of the framework, the outer side plate is fixed onto the cushion block, and a cold bridge blocking layer is formed between the framework and the outer side plate. Compared with a current buildingwallboard, the heat insulation integrated building wallboard has the advantages that the cushion block is arranged on the outer side face of the framework, the outer side plate is fixed onto the cushion block to form the cold bridge blocking layer between the framework and the outer side plate, indoor and outdoor heat exchange speed can be reduced by the cold bridge blocking layer, the heat insulation effect of the wallboard is improved, and the problem of poor building wallboard heat insulation effects due to a cold bridge structure between a framework and an outer side plate of the current building wallboard is solved.

The invention discloses an insulation hearth of a horizontal inductive heating graphitization furnace. The insulation hearth includes at least two layers of furnace walls that are nested with each other. Each furnace wall includes: a bottom side wall, a left side wall and a right side wall; a left transition side wall and a right transition side wall, which are respectively connected between the bottom side wall and the left side wall and between the bottom side wall and the right side wall and have a rounding chamfered structure; and a top side wall having an arc-shaped structure, wherein thetwo sides of the top side wall are respectively connected to the tops of the left side wall and the right side wall. By means of the rounding chamfered structure and the arc-shaped structure, a riskof breaking of the furnace walls due to excessive furnace walls can be reduced, and a problem of short circuit and shutdown of a coil since heat exchange is accelerated due to leakage of the furnace walls, thereby ensuring stable temperature in the insulation hearth. The multi-layer furnace wall structure can increase the strength of the insulation hearth so as to further reduce the risk of heat leakage of the insulation hearth. The temperature of interior of the insulation hearth is relatively constant, so that the insulation hearth has a stable temperature. The invention also provides the horizontal inductive heating graphitization furnace including the insulation hearth.

A regenerated mixed fuel oil for boiler is prepared from C10 (10-90 vol.%) and waste diesel oil (10-90 vol%) through mixing, stirring, filtering by 200 meshes, and refining. Its advantages are high heat exchange efficiency, solubility and flowability, low cost and less pollution.

Provided is a coldness accumulation packing bag. The bag comprises a bag canister formed by a bag wall, the bag canister is internally provided with an object storage space, and the bag wall is of a multi-layer structure and internally provided with a coldness accumulation layer and a coldness preservation layer; the coldness accumulation layer is internally provided with a liquid storage chamberfilled with coldness accumulation agents; by using the coldness accumulation agents to store cold energy, an object only needs to be placed in the object storage space of the packing bag during use; the coldness accumulation agents release the cold energy to maintain low temperature of the stored object in the object storage space; an inflated temperature insulating chamber is arranged in the coldness preservation layer and outside the coldness accumulation layer, and wraps the coldness accumulation layer, so that the direct heat exchange speed between the coldness accumulation agents in the coldness accumulation layer and the external environment can be decreased, and therefore the release period of the cold energy of the coldness accumulation agents is prolonged, namely the coldness preservation time of the object in the object storage space can be prolonged. The coldness accumulation packing bag has the advantages of being simple to use, wide in application range and capable of completely solving the existing problems of the last link of cold-chain logistics in the current stage, and meeting the demands of different objects in low-temperature preservation and transportation.

The invention provides a main machine structure and a sub-low temperature therapeutic instrument, and relates to the technical field of medical equipment. The main machine structure comprises a machine shell, a liquid circulating device and a heat exchange device, wherein the liquid circulating device and the heat exchange device are arranged in the machine shell and communicate with each other; the heat exchange device is suitable for heating or cooling circulating liquid output by the liquid circulating device; the liquid circulating device comprises a box body and a filler; and the filler is suitable for filling gaps in the box body. According to the main machine structure and the sub-low temperature therapeutic instrument, the gaps in the box body of the liquid circulating device are filled with the filler, so that air in the box body can be reduced, and then moisture is reduced; when the temperature difference between the inside and the outside of the liquid circulating device changes, condensate water can be prevented from being generated; and meanwhile, the heat exchange speed between the liquid circulating device and the outside can be reduced through the filler, so that the heat preservation effect is achieved, the temperature of circulating water is more stable, and the treatment effect of the sub-low temperature therapeutic instrument can be improved.