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

The present invention aims at providing a technology capable of increasing a heat quantity of a combustion gas discharged from a combustion heater in an internal combustion engine having the combustion heater. To accomplish this object, the internal combustion engine having the combustion heater comprises a combustion chamber (17d) for combusting a fuel, an engine cooling water circulating between the combustion chamber (17d) and an engine-related element, a heat exchange unit (17a, 17c, 150) for performing a heat exchange between the engine cooling water and a combustion gas produced in the combustion chamber (17d), and heat exchange rate decreasing means (149, 205) for decreasing a heat exchange rate in said heat exchange unit (17a, 17c, 150).

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.

The invention provides a steam huff and puff exploitation method. The method comprises the following steps: selecting a well network of a closed horizontal well as an injection and exploitation well network; injecting non-condensed non-hydrocarbon gas into the injection and exploitation well network, wherein the injection amount is calculated according to the following formula: Q=AV / T, wherein Q is a ground injection amount of the non-condensed non-hydrocarbon gas, the unit of Q is m<3>, V is a ground layer voidage volume, the unit of V is m<3>, A is 9669, T is a ground layer temperature, and the unit of T is K; continuously injecting high-temperature steam into the injection and exploitation well network; carrying out a huff and puff production process, and carrying out sleeve gas monitoring in the production process; when the content of injected gas is raised to 70%-100%, closing a well for 6-12 hours; after a gas-liquid interface is recovered, opening the well to produce. The steam huff and puff exploitation method provided by the invention can be used for steam huff and puff exploitation of heavy oil reservoirs, and the steam huff and puff exploitation effect of the heavy oil reservoirs can be effectively improved.

This invention discloses a kind of outdoor fan controlling method when air conditioner is overloading. It includes: whether air conditioner is overloading is judged; if it is overloading, then the outdoor fan air-quantity is adjusted to the minimum. If it is normal, the outdoor fan keeps the set air-quantity. This invention can adjust outdoor fan air-quantity from the set air-quantity to the minimum air-quantity under overloading refrigeration. Thus, heat exchanging rate of outdoor heat exchanger is reduced to prevent the refrigerants temperature flowed from outdoor heat exchanger is lower than the estimated temperature. It adjusts outdoor fan air-quantity from the set air-quantity to the minimum air-quantity under overloading heating. Thus, it avoids the refrigerants temperature flowed from outdoor heat exchanger is higher than the estimated temperature.

The invention relates to a ventilation type double-layer curtain wall system. The ventilation type double-layer curtain wall system comprises a light-transmitting outer wall, a ventilation inner wall and a heat transfer frame, the ventilation inner wall and the light-transmitting outer wall are oppositely installed in the heat transfer frame, the ventilation inner wall, the light-transmitting outer wall and the heat transfer frame are matched to form a containing cavity, and a communicating groove is formed in the position, connected with the light-transmitting outer wall, of the top of the heat transfer frame. The communicating groove communicates with the containing cavity and the outside, an elastic air bag is arranged at the groove bottom of the communicating groove, a communicating air gap is formed between the elastic air bag and the light-transmitting outer wall, the elastic air bag absorbs heat to expand and blocks the communicating air gap, the elastic air bag releases heat to contract and opens the communicating air gap, and green plants are planted in the containing cavity. A controllable air gap communicating the containing cavity with the indoor space is formed in the ventilation inner wall, and the width of the controllable air gap is in negative correlation with the temperature of the ventilation inner wall. The indoor and outdoor air exchange rate is regulated and controlled according to the environmental influence, and the indoor air quality is guaranteed.

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.

This heat exchange unit comprises: a heat exchanger having a plurality of heat transfer tubes; and a plurality of refrigerant distributors. Each of the plurality of refrigerant distributors comprisesan inflow tube into which refrigerant flows, and a plurality of flow dividing tubes out of which refrigerant flows. The plurality of flow dividing tubes are connected respectively to the plurality ofheat transfer tubes. The inner diameter of the inflow tubes of a refrigerant distributor having a comparatively lower average value for the height of the connection positions between the plurality offlow dividing tubes and the plurality of heat transfer tubes is smaller than the inner diameter of the inflow tubes of a refrigerant distributor having a comparatively higher average value for the height of the connection positions between the plurality of flow dividing tubes and the plurality of heat transfer tubes. In each of the plurality of refrigerant distributors, the inner diameter of a flow dividing tube from among the plurality of flow dividing tubes which has a comparatively lower connection position with a heat transfer tube is smaller than the inner diameter of a flow dividing tubefrom among the plurality of flow dividing tubes which has a comparatively higher connection position with a heat transfer tube.

The invention relates to a smoke cooling device, in particular to a rotary air-cooled smoke cooling device which can cool smoke rapidly without a high pressure liquid circuit, a high pressure gas circuit or additional smoke moisture. The rotary air-cooled smoke cooling device mainly solves the technical problems of large volume, high manufacturing cost, complex structure, high running expense, high failure rate and the like in the existing smoke cooling device. The technical scheme provided by the invention is as follows: the rotary air-cooled smoke cooling device is of a box structure; a flat pipe rotation funnel is arranged in a shell of a box and is connected with the box through a connecting plate; a smoke inlet is arranged at one end of the flat pipe rotation funnel; a smoke outlet is arranged at the other end of the flat pipe rotation funnel; an air outlet is arranged at the upper part of the box and is connected with an air draft cooling fan; air induced by the air draft cooling fan is passed through base plate air inlets which are arranged in multiple rows at intervals in the funnel, so as to be entered the box; two surfaces of the flat pipe rotation funnel are respectively single-layer thin plates; the outside thin plate is provided with cooling fins which are connected with the outside thin plate and are arranged at intervals; the surface of the cooling fins in contact with air are subjected to roughening; and an ash cleaning hole is arranged at the bottom of the flat pipe rotation funnel and is provided with a cover plate. The rotary air-cooled smoke cooling device provided by the invention mainly applies to cooling smoke in incinerators.

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.

The invention relates to the technical field of gasifiers, in particular to a detachable water bath type gasifier. The gasifier comprises a shell, a cover and a heat exchange pipeline; an opening is formed in the top of the shell, the cover and the shell are matched and are detachably connected, a heating medium inlet, a heating medium outlet, a liquid inlet and a gas outlet are formed in the topface of the cover, the heat exchange pipeline comprises a liquid inlet pipe and a spiral pipe, the spiral pipe surrounds the interior of the shell with the perpendicular centre line of the shell as the surrounding center line, the liquid inlet pipe is vertically arranged in the shell, the bottom end of the liquid inlet pipe extends to the bottom in the shell, a top end pipe opening of the liquid inlet pipe is connected with the liquid inlet, a bottom end pipe opening of the liquid inlet pipe is connected with a bottom end pipe opening of the spiral pipe, a top end pipe opening of the spiral pipe is connected with the gas outlet, and a heat isolation structure or pipeline diameter thickening structure is arranged outside the liquid inlet pipe. The cover and the shell are detachably connected, daily maintaining and overhauling are facilitated, the liquid inlet pipe of the heat exchange pipeline is specially designed, the reverse pressure difference is prevented from being generated, andfinishing of the complete gasification process of LNG in the whole heat exchange pipeline is ensured.

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.

The invention discloses a waterproof thermal insulation wall, and relates to the technical field of building walls. A waterproof heat preservation wall comprises a wall body, the outer side of the wall body is sequentially connected with a first heat preservation layer, a second heat preservation layer and a protection layer, a waterproof structure is arranged between the protection layer and the second heat preservation layer, the outer side of the protection layer is connected with an outer wall heat preservation layer, and the outer wall heat preservation layer is formed by splicing a plurality of heat preservation plates. The outer wall heat preservation layer and the heat preservation plate are fixed through a fixing structure, the heat preservation plate comprises a heat preservation shell, and the interior of the heat preservation shell is hollow. Through mutual cooperation of the first heat preservation layer, the second heat preservation layer and the outer wall heat preservation layer, the heat preservation performance of the wall body can be well improved, compared with a traditional heat preservation wall body, the heat preservation performance of the heat preservation wall body is greatly improved, and the heat exchange speed of indoor and outdoor heat can be effectively slowed down; and rapid splicing installation can be achieved, and the installation process is simple and rapid.

The invention relates to a low-temperature storage tank. The low-temperature storage tank comprises an inner container, an outer container and a supporting assembly. The outer container surrounds the inner container, and an interlayer is formed between the outer container and the inner container; the supporting assembly is arranged in the interlayer; the supporting assembly comprises a movable supporting piece and a fixed supporting piece, and the movable supporting piece and the fixed supporting piece are arranged around the inner container so that stress of the inner container on the movable supporting piece and the fixed supporting piece can be dispersed, and the problem that local stress is too large cannot be caused. According to the low-temperature storage tank, the movable supporting piece and the fixed supporting piece obliquely extend to the outer peripheral wall of the inner container from the inner peripheral wall of the outer container, the movable supporting piece and the fixed supporting piece have certain lengths due to the extending arrangement, so that the movable supporting piece and the fixed supporting piece have certain elasticity, and the movable supporting piece or the fixed supporting piece can effectively relieve impact force due to the elastic acting force; the impact force between the inner container and the outer container is reduced, and the service life of the storage tank is prolonged.

The invention discloses a micro-grid-based self-cleaning type evaporator and a using method thereof, and belongs to the field of micro-grids. The micro-grid-based self-cleaning type evaporator comprises a gas-liquid through pipe, a liquid through pipe is arranged on the inner wall of the middle of the gas-liquid through pipe, two ventilation pipes are arranged on the inner wall of the gas-liquid through pipe, and the two ventilation pipes are located on both sides of the liquid through pipe; according to the scheme, a rotating ball exchanges heat with outside air, and a liquid refrigerant evaporates in a heat exchange ball, so that the heat exchange area of the refrigerant can be increased, the heat exchange time is prolonged, the heat exchange rate is effectively improved, inwards-sunken extension pipes enlarge the surface area of the heat exchange balls, the heat exchange rate of air is effectively improved, the heat exchange rate of the refrigerant is further improved by absorbing the heat of sunlight, the rotating heat exchange balls are continuously cleaned by scrapers, dust accumulation can be effectively prevented, the situation that the heat exchange rate of air is reduced by dust is avoided, and the trouble of manual cleaning is also saved.

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.