32results about How to "Avoid heat transfer effect" patented technology

The invention discloses a heat exchanger, which comprises first collecting pipes, second collecting pipes, heat exchange pipes and a plurality of fins, wherein the second collecting pipes and the first collecting pipes are arranged in parallel at intervals; two ends of the heat exchange pipes are connected with the first and second collecting pipes respectively to communicate the first and second collecting pipes; and the plurality of fins are arranged between the adjacent heat exchange pipes respectively, wherein only one side of at least one of the fins is connected with the heat exchange pipe in the longitudinal directions of the first and second collecting pipes. According to the heat exchanger of the embodiment of the invention, the fins are prevented from being torn during bending so as to ensure the integral appearance of the heat exchanger and improve the heat exchange performance.

The invention provides a lithium bromide absorption type refrigerating unit driven by waste heat of an internal combustion engine and a control method, and belongs to the technical field of waste heatrecovery and refrigeration. The refrigerating unit comprises the internal combustion engine and a cylinder sleeve heat exchanger connected with the internal combustion engine, wherein the internal combustion engine is connected with a flue gas heat exchanger; the refrigerating unit further comprises a condensation generator and an evaporation absorber, wherein the condensation generator comprisesa generator body with a first heat exchange coil pipe; the cylinder sleeve heat exchanger is connected with the flue gas heat exchanger through a first electromagnetic valve, the flue gas heat exchanger is connected with the first heat exchange coil pipe, and the first heat exchange coil pipe is connected with the cylinder sleeve heat exchanger through a second electromagnetic valve; and the evaporation absorber is partitioned into an evaporation chamber and an absorption chamber through a partition plate, wherein a second heat exchange coil pipe is arranged in the evaporation chamber, the bottom of the generator body is connected with the absorption chamber through a first heat exchanger, and the bottom of the absorption chamber is connected with the condensation generator through a magnetic pump and the first heat exchanger in sequence. According to the lithium bromide absorption type refrigerating unit driven by the waste heat of the internal combustion engine, a condenser and thegenerator body are installed in a cylinder, and an evaporator and an absorber are arranged in a cylinder, so that system and pipeline arrangement are greatly simplified.

The invention relates to a system and method for heat pipe radiation type top board heating/refrigeration. The system and method are used for indoor heating or refrigeration. The system comprises a heat conduction substrate, one or more flat heat pipes arranged side by side and one or more water pipes. The flat heat pipes are laid above the heat conduction substrate. The water pipes are laid above the flat heat pipes. The water pipes and the flat heat pipes are arranged in an intersecting mode. The water pipes in the system for heat pipe radiation type top board heating are communicated with a heat source through liquid media. The water pipes are arranged on evaporation sections of the flat heat pipes. Heat is exchanged between condensation sections of the flat heat pipes and the heat conduction substrate. The water pipes in the system for heat pipe radiation type top board refrigeration are communicated with a cold source through liquid media. The water pipes are arranged on the condensation sections of the flat heat pipes. Heat is exchanged between the evaporation sections of the flat heat pipes and the heat conduction substrate. According to the system, indoor heating or refrigeration is achieved according to the heat pipe radiation technology and the system has the advantages of being simple in process, safe in operation, high in efficiency and capable of saving energy.

A system and method for heating with a network of water with a large temperature difference, in which a self-driven heat pump is installed in parallel between a network of water supply pipeline upstream of the heating system and a network of water return pipeline, and a network of water downstream of the heating system Multiple heat exchange stations that supply heat to users are installed in parallel between the water supply pipeline and the first-network water return pipeline; a group of self-driven heat pumps upstream of the heating system correspond to multiple heat exchange stations downstream of the heating system. The invention effectively increases the temperature difference between water supply and return water in a network by means of a self-driven heat pump, greatly improves the heating capacity of the heating network system, saves energy and reduces consumption, and a group of equipment in the upstream of the invention can correspond to multiple heat exchanges in the downstream station, saving about 30% of the investment cost and reducing the engineering volume by 70%. At the same time, it also effectively solves the problem that the heat exchange station cannot be installed with a large temperature difference heat exchange unit due to space or other reasons, so that it is impossible to realize the low temperature return water of a network of water. Greatly reduce the investment cost of the pipeline network and the energy consumption of water transmission and distribution in a network.

A heat exchanger comprises a first collecting pipe and a second collecting pipe which are arranged parallelly at intervals, heat exchange pipes of which the two ends are respectively connected with the first collecting pipe and the second collecting pipe so as to allow the first and the second collecting pipes to be communicated, and a plurality of fins which are respectively arranged between the adjacent heat exchange pipes, wherein, only one side of at least one fin is connected with the heat exchange pipes in the lengthwise direction of the first and second collecting pipes; the fin connected with the heat exchange pipes on one side of the fin comprises a first sub fin and a second sub fin; only one side of the first sub fin is connected with one of two adjacent heat exchange pipes in the lengthwise direction, whereas only one side of the second sub fin is connected with the other one of two adjacent heat exchange pipes; and the other sides of the first and second sub fins are opposite. The heat exchanger provided by the invention can avoid tearing fin when bending, ensure the integral appearance and improve the heat exchange performance.

The invention discloses a detachable modular wear-resistant ash-removal three-dimension finned tube type heat exchanger. The detachable modular wear-resistant ash-removal three-dimension finned tube type heat exchanger comprises a heat exchanger shell connected with a flue; an air inlet is formed in a front end plate of the heat exchanger shell, and an air outlet is formed in a rear end plate of the heat exchanger shell; and a cold working medium inlet header pipe and a cold working medium outlet header pipe are arranged on the outer portion of the heat exchanger shell. The detachable modularwear-resistant ash-removal three-dimension finned tube type heat exchanger is characterized in that a damping screen is disposed in the heat exchanger shell and at the air inlet end; a plurality of wear-resistant false tubes stacked in the height direction are arranged on the rear side of the damping screen; the two ends of the wear-resistant false tubes are fixed to the left end plate and the rear end plate of the heat exchanger shell in a threaded or press-jointed mode; a plurality of acoustic wave dust removers overlapped in the height direction are arranged on the rear side of the wear-resistant false tubes; a plurality of three-dimension finned tube type heat exchange units are arranged on the rear side of the acoustic wave dust removers; and the three-dimension finned tube type heatexchange units are overlapped in the height direction as well as in the horizontal direction. The detachable modular wear-resistant ash-removal three-dimension finned tube type heat exchanger can be widely applied to the field of waste heat recovery of different types of industrial exhaust gas.

The invention relates to a poultry house with variable cross sections, which comprises a front end gable, a rear end gable, a side wall and a ceiling, wherein the front end gable is provided with a ventilation window; the ventilation window is provided with a wet curtain; a fan is arranged on the rear end gable; the side wall is provided with a side window; the poultry house is internally providedwith poultry cages; the long axis of the poultry house variable cross sections is perpendicular to the front end gable, the front end gable is parallel to the rear end gable, the poultry cages are arranged in columns parallel to the long axis, and the longitudinal section areas of the poultry house with variable cross sections, parallel to the front end gable, is gradually reduced along the direction from the front end to the rear end of the poultry house. The invention also relates to a poultry house group consisting of a plurality of poultry houses with variable cross sections, a method fordesigning the poultry house with variable sections, and a method for reconstructing a poultry house with a constant cross section. According to the poultry house with variable sections, the internaltemperature difference of the poultry house is small, the heat of the poultries at the front and rear ends of the poultry house is exchanged uniformly, and the total energy consumption of the poultryhouse for temperature controlling and heat exchanging is low; the poultry house group is compact in arrangement and small in occupied area; the design method and the reconstruction method are simple and convenient, low in cost, and can obtain the poultry house with uniform internal heat exchange and low energy consumption.

The invention discloses a self-cleaning method and device of an air conditioner, the air conditioner and an electronic device. The self-cleaning method comprises the following steps: by responding toa self-cleaning instruction aiming at the air conditioner, acquiring a first target temperature of an evaporator in the air conditioner; detecting the temperature of an indoor coil pipe, and adjustingthe rotating speed of an indoor fan in the air conditioner according to the temperature of the indoor coil pipe; and if the recognition shows that the temperature of the indoor coil pipe is reduced to the first target temperature, controlling the air conditioner to enter a defrosting stage. According to the self-cleaning method provided by the embodiment of the invention, whether a frosting stageof the air conditioner is finished or not can be judged according to the first target temperature of the evaporator in the air conditioner, then that enough frosting amount is generated in an indoorheat exchanger is ensured, so that the indoor heat exchanger can be thoroughly cleaned, meanwhile, the situation that the temperature of the indoor coil pipe is too low, so that the frosting amount generated in the indoor heat exchanger is excessively high, and consequently, energy waste and heat exchanger damage are caused is solved.

The invention relates to a heat pipe radiation vertical heating/refrigerating system and a heat pipe radiation vertical heating/refrigerating method, which are used for indoor heating or refrigerating. The system comprises one or more flat heat pipes which are arranged in parallel and two water pipes, wherein the two water pipes comprise an upper water pipe and a lower water pipe; the flat heat pipes are all paved in the length direction of the two water pipes; the flat plate surfaces on one sides of the flat heat pipes are directly or indirectly adhered to the pipe walls of the upper water pipe and the lower water pipe simultaneously; the lower water pipe in the heating system is communicated with a heat source through a liquid medium, and at the moment, the lower water pipe is placed at evaporation sections of the flat heat pipes; the upper water pipe in the refrigerating system is communicated with a cold source through the liquid medium, and at the moment, the upper water pipe is placed at condensing sections of the flat heat pipes. According to the system, indoor heating or refrigerating is completed by adopting a heat pipe radiation technology; the system has the advantages of simple process, safety in operation, high efficiency and energy conservation.

The invention provides a full-automatic back flushing fiber bundle filter of slag flushing water of a blast furnace and a back flushing control method, solving the problems that the conventional fiber bundle filter can not effectively remove slag wool suspended substances, back flushing can not be controlled automatically, and the effect is poor. The full-automatic back flushing fiber bundle filter comprises a tank body, a slag flushing water inlet, a slag flushing water outlet, a back flushing water inlet, a back flushing water outlet, a fiber bundle filtering layer, an upper fixed filter plate and a lower movable filter plate, wherein the top end at the upper part of the tank body is communicated with a floating slag discharge pipeline and connected with a differential pressure transmission, the differential pressure transmission is connected with a control system, and an electric regulating valve is arranged on each of all the water inlets and the water outlets. A control program and a set value of differential pressure between the upper part and the lower part of the fiber bundle filtering layer are inputted in the control system, the differential pressure transmitter is used for detecting the differential pressure between the upper part and the lower part of the fiber bundle filtering layer, transmitting a detected differential pressure signal to the control system for real-time treatment and comparing with the set value, and the control system is used for controlling the water inlets and the water outlets to interchange to realize back flushing when the set value is reached. Through adoption of the full-automatic back flushing fiber bundle filter and the back flushing control method, disclosed by the invention, self-discharge of floating slag and constant pressure full-automatic back flushing can be realized.

The invention relates to a high-temperature waste gas washing device and an implementation method thereof. The high-temperature waste gas washing device comprises a waste gas purification tower, a spraying mechanism arranged on the waste gas purification tower, a water collecting well communicated with the spraying mechanism, and a sedimentation circulation pool communicated with the waste gas purification tower, and the sedimentation circulation pool is communicated with the water collecting well. The waste gas purification tower, the spraying mechanism, the water collecting well and the sedimentation circulation pool form a heat preservation water circulation system, on one hand, sprayed water of the spraying mechanism is kept at the temperature roughly the same as that of high-temperature waste gas, the sprayed water can be heated through an external heat source when necessary, on the other hand, the high-temperature waste gas is washed through the high-temperature water of the spraying mechanism, dust in the high-temperature waste gas can be washed out through the high-temperature water, a large amount of gasification latent heat is still reserved in the high-temperature waste gas, conditions are created for subsequent waste gas heat recovery, and meanwhile a large amount of condensation waste water can be prevented from being generated in the high-temperature waste gas washing process.

The invention discloses a high-efficient underground heat exchanging device of a closed type single well circulating ground source heat pump. The high-efficient underground heat exchanging device is provided with a leakage and leakage control system, wherein the leakage and leakage control system is composed of a leakage pipe, a micropunch, an anti-blocking device, a distributor, a connecting pipe, a layered antipercolator, a rock soil temperature and humidity sensor, a rock soil temperature and humidity monitoring device, a pressurizing device and a controller; the leakage and leakage control system can transmits temperature and humidity parameters measured by the rock soil temperature and humidity sensor to the rock soil temperature and humidity monitoring device; the rock soil temperature and humidity monitoring device can send a start-stop signal to the controller according to differences between a measured value and a set value; when signal differences exist, the rock soil temperature and humidity monitoring device starts the pressurizing device to supplement water for underground rock soil through the connecting pipe, the distributor and the leakage pipe, so that the heat conduction capacity of underground rock soil is improved to realize the purpose of improving the heat exchanging capacity; and in addition, a turbulent flow device is further arranged to enhance heat convection of a heat exchanging medium and the pipe wall of a heat exchanging well.

The invention relates to an indirect hot blast stove. The hot blast stove is designed with a cold air inlet, a hot air outlet, a flue gas inlet, a flue gas outlet, a supporting plate, a pressure valveand the like according to the technological requirements; the body of the hot blast stove is of a square structure, one side of the body of the hot blast stove is provided with an air inlet and an air outlet, the air enters a heat exchange bin from the bottom of the equipment and is discharged from the top after heat exchanging; a flue gas coiler inlet and a flue gas coiler outlet are arranged onthe other side of a shell of the indirect hot blast stove, the flue gas enters a coiler and then is circulated through a flue gas guide bin, the flue gas is subjected to heat exchanging with the air,and a baffle plate is arranged to extend an air flow channel in the heat exchange bin; the hot blast stove is characterized in that the the hot blast stove is divided into two layers, the interior ofthe hot blast stove is a heat exchange bin part for heat exchanging of the flue gas and the air, the outer part of the hot blast stove is an insulating layer, the inside heat exchange bin comprises ashell pass flow channel for flowing the air and a heat exchange coiler for flowing the flue gas, and the shell pass air flow channel is composed of the wall surface of the heat exchange bin and the baffle plate; and each layer of air flow channel is connected through an air guide bin, and the air flow guide bin is welded to the outer wall surface of the heat exchange bin and extends outwards fromthe wall surface of the heat exchange bin.

The invention belongs to the field of vehicle engineering, and relates to an organic heat carrier furnace heat conduction oil temperature stabilizing device for a radiator performance test. Accordingto the device, the heat conduction oil temperature stabilizing device is designed according to the performance test requirement of a radiator of a special vehicle cooling system, the problem of heat conduction oil temperature stabilization of an organic heat carrier furnace is solved, the heat conduction oil temperature stabilization is realized by additionally installing a heat conduction oil cooling radiator and heat conduction oil inlet oil temperature PID control of the radiator, the heat conduction oil temperature is quickly stabilized through real-time calculation of heat dissipation amount, the target value of the heat conduction oil temperature is quickly adjusted through monitoring the heat dissipation amount of the heat conduction oil cooling radiator, and the boiling preventionsafety design of cooling water is realized.

The invention discloses a thermoelectric cooperation system integrated with a steam ejector and an operation method. The system comprises a boiler, a steam turbine high-medium-low pressure cylinder, a first steam exhaust valve, a condenser, a condensate pump, a steam turbine low-pressure heater set, a deaerator, a water feeding pump and a steam turbine high-pressure heater set which are communicated in sequence. The system further comprises various valves, a high-low-pressure steam ejector, a high-low-temperature heat exchanger, an electric heating pump, a high-low-temperature heat storage tank and the like. In the peak period of electric power, the high-low pressure steam ejector, the high-low temperature heat exchanger and the electric heating pump do not work, the low-temperature heat storage tank recycles exhaust steam waste heat of the steam turbine, and the high-temperature heat storage tank is used for supplying heat to a heat supply network; the high-low-pressure steam ejector, the high-low-temperature heat exchanger and the electric heating pump are all put into work in the power off-peak period, working steam of the steam ejector is flexibly and orderly selected according to the heat supply load of a heat supply network, and the high-temperature heat storage tank is adopted for storing redundant hot water for external heat supply in the power peak period. According to the peak regulation process, stepped ordered utilization of energy is achieved, the energy utilization efficiency is high, the peak regulation depth is large, and parameter regulation is flexible.