49 results about "Thermal pollution" patented technology

The invention discloses a proton exchange membrane fuel cell waste heat recovery injection type refrigerating system and a control method. The system comprises a fuel cell thermal management subsystem and an injection type refrigeration subsystem which are coupled through a heat exchanger. Wherein the injection type refrigeration subsystem is provided with a flow path selection unit and an auxiliary heating unit, and a switchable double-heat-source driving structure is formed. According to the control method, firstly, the effective waste heat output quantity of the fuel cell is estimated on line, then the effective waste heat output quantity is compared with the refrigeration requirement of the system in real time, and the system is driven to be intelligently switched among the three working modes according to the comparison result. When the waste heat is sufficient, only the waste heat is used for driving; when the waste heat is insufficient, auxiliary heating is synchronously started, and the working medium flow is accurately distributed to supplement heat; when the waste heat is interrupted, the auxiliary heating unit supplies energy independently, and stable energy supply is ensured through an advanced algorithm. The system solves the problems that low-temperature waste heat of the fuel cell is difficult to recycle, and traditional cooling is high in energy consumption and causes thermal pollution.

The utility model relates to the technical field of metallurgical equipment heating furnace roller ways, in particular to a roller way cooling water transformation device capable of prolonging the service life of a bearing. Comprising a cooling water pipe, a thermometer and a water flow control valve, the cooling water pipe is arranged around a roller way, a spiral flow deflector is arranged in the cooling water pipe to divide the roller way into three sections, the thermometer is arranged on one side of the roller way, the water flow control valve is arranged on a water inlet of the cooling water pipe, and the cooling water pipe comprises a water inlet pipe and a water return pipe. The cooling water pipe comprises an inner layer and an outer layer, the inner layer of the cooling water pipe is made of a copper alloy material, and the outer layer of the cooling water pipe is made of a ceramic coating material; according to the roller way cooling water transformation device capable of prolonging the service life of the bearing, the heat dissipation efficiency is improved, the return water temperature is reduced, the service life of the bearing is prolonged, water resource waste is reduced, environmental thermal pollution is reduced, the workshop temperature is reduced, and the locking phenomenon is avoided; the service life of the bearing is prolonged and the annual maintenance cost is reduced.

The utility model discloses a power plant waste heat comprehensive utilization system, and relates to the technical field of energy conservation and environmental protection. According to the technical key points, the system comprises a warm air blower connected with an indirect air cooling system, and the warm air blower is installed on the inlet side of a first induced draft fan; an air outlet of the first induced draft fan is connected with one end of the air side of the air preheater, and the other end of the air side of the air preheater is connected with the boiler; one end of the smoke side of the air preheater is connected with a flue at the tail of the boiler, and the other end of the smoke side of the air preheater is connected with an air inlet of the low-pressure economizer; a gas outlet of the low-pressure economizer is connected with the tail gas treatment module. According to the scheme, the exhaust steam waste heat of the steam turbine and the exhaust smoke waste heat of the boiler are comprehensively utilized at the same time, so that the two parts of waste heat are utilized to the greatest extent, the coal consumption of a power plant is reduced, and meanwhile, the heat pollution to the environment can be reduced.

The utility model discloses a bridge steel structural part coating drying device which comprises a base, the upper end of the base is fixedly connected with a drying box and a heat exchange water tank, water is arranged in the heat exchange water tank, a heat exchange coil pipe is arranged in the heat exchange water tank, a stirring mechanism used for stirring the water is arranged in the heat exchange water tank, and the drying box and the heat exchange water tank are fixedly connected. And an air pumping mechanism used for pumping air into the heat exchange coil pipe is arranged on the side wall of the drying box, the air pumping mechanism comprises an air suction hood fixedly connected to the side wall of the drying box, an air exhaust fan is rotationally connected to the inner wall of the air suction hood, and the air suction hood communicates with the heat exchange coil pipe through an air inlet pipe. By means of the heat exchange coil pipe and the air pumping mechanism, in the drying process, hot air in the drying box can be adsorbed and sucked into the heat exchange coil pipe, the outer wall of the heat exchange coil pipe makes contact with water in the heat exchange water tank, heat exchange is achieved, heat energy recovery can be achieved, and heat energy waste and heat pollution are avoided.

The invention relates to a deep waste heat recovery coupling utilization system of a gas-steam combined cycle unit, and relates to the technical field of thermal power generation. The waste heat boiler plate heat exchanger receives the flue gas, the flue gas and the intermediate water are subjected to heat exchange treatment, and flue gas intermediate water is obtained; the absorption heat pump receives the flue gas intermediary water and heat supply network circulating water discharged by the heat supply network heat supply system, and the heat supply network circulating water is heated based on the flue gas intermediary water; the heat supply network heat supply system receives heat supply network circulating water and supplies heat to the outside based on the heat supply network circulating water. The closed circulating water system provides closed circulating water intermediate water; the gas turbine intake air heating heat exchanger receives the closed circulating water intermediate water to heat intake air of the gas turbine based on the closed circulating water intermediate water. According to the scheme, multi-stage utilization of flue gas heat is achieved, the overall utilization efficiency of energy is improved, energy waste is reduced, high-temperature flue gas is prevented from being directly discharged into the atmosphere, and the influence of heat pollution on the environment is effectively reduced.

The application provides a heat storage integrated system based on high-temperature thermochemical conversion, which realizes energy cascade utilization of a large amount of solid waste thermochemical conversion process through a carrier gas circulation and a heat storage particle cooperative system, and a high-temperature heat storage device. The system stores the waste heat and the heat energy converted by the renewable energy by using the heat storage particles, releases high-temperature heat during the reaction, significantly improves the green energy utilization efficiency, and realizes zero carbon emission. The multi-stage heat exchange setting improves the energy utilization efficiency, and the waste disposal realizes energy self-sufficiency. The system can be expanded to high-temperature industrial processes such as cement firing and carbonate decomposition, and a stable heat source is provided through the heat storage device, fuel consumption is reduced, temperature control accuracy is improved, waste heat is recovered, and heat pollution is reduced, thereby providing an efficient solution for low-carbon transformation of high-energy-consuming industries.

The present application belongs to the field of heat pump unit testing, and particularly relates to a heat pump unit testing system and a testing method, comprising: a cold quantity testing system, a cold and heat quantity exchange system, a heat quantity testing system, a constant pressure system, a heat quantity adjusting system and a waste heat discharge system. The cold quantity testing system and the heat quantity testing system are used for measuring various performance parameters of the heat pump unit, the cold and heat quantity exchange system is used for exchanging the cold quantity and the heat quantity in the cold quantity testing system and the heat quantity testing system, the heat quantity adjusting system uses the residual heat which is not exchanged with the cold quantity to maintain its own temperature, uses the residual heat while ensuring that the measured heat pump unit is always in a starting state during testing, the constant pressure system is used for maintaining the required pressure of the pipeline in the heat quantity testing system, and the waste heat discharge system is used for discharging the residual heat which is not used in the testing system. The present application solves the problems of high investment and low universality of heat pump unit testing, and reduces the consumption of energy, the heat pollution and the protection of the environment.

The invention discloses a machine-made charcoal production waste heat recovery material preheating device, and relates to the technical field of machine-made charcoal production, the machine-made charcoal production waste heat recovery material preheating device comprises a rack, a feeding hopper and a discharging hopper are arranged above the rack, a rotating cylinder is rotatably connected between the inner surface of the feeding hopper and the inner surface of the discharging hopper, and the top of the discharging hopper communicates with a smoke exhaust pipe; the top of the smoke exhaust pipe communicates with a machine box, and the top of the machine box communicates with a preheating pipe. According to the material preheating device for waste heat recovery in machine-made charcoal production, through cooperative use of the smoke exhaust pipe, the machine case, the preheating pipe and the air pump, high-temperature smoke exhausted by the carbonization furnace is guided into the feeding hopper again to preheat materials, and the mode that waste heat generated after production is used for preheating the materials is adopted; thermal pollution caused by direct discharge of waste heat is reduced, energy waste caused by direct discharge of waste heat is avoided, total energy consumption of machine-made charcoal production is reduced, extra energy consumption cost in a raw material preheating link is saved, and energy cost expenditure is reduced.

The invention discloses a power device utilizing buoyancy, a power system and application. The power device comprises a bearing base, a power transmission part and a box. The power transmission part comprises a first transmission assembly, a second transmission assembly, a plurality of buoys and a conveying chain, and clamping grooves matched with the buoys are formed in the first transmission assembly and the second transmission assembly; the power transmission part is located in the box, the first transmission assembly is located on the lower portion of the box, and the second transmission assembly is located on the upper portion of the box. The box body is installed on the bearing base, a liquid storage tank is arranged in the box body, a sealing channel communicated with the liquid storage tank is arranged below the liquid storage tank, one side of each buoy forming an annular shape penetrates through the sealing channel and the liquid storage tank, the buoys are matched with the sealing channel in a sealing mode, and the size of the buoys on the horizontal plane is smaller than the cross section of the liquid storage tank. By means of the innovative system design, continuous and effective power output can be continuously generated through buoyancy, the power device is safe and environmentally friendly, and waste gas, waste heat pollution and greenhouse gas emission are avoided.

The utility model discloses a secondary air supply structure in an energy-saving fermentation system tank, and relates to the technical field of fermentation. The secondary air supply structure in the energy-saving fermentation system tank comprises a fermentation tank, a supporting plate is fixedly installed at the bottom of the fermentation tank, an annular base is fixedly installed at the bottom of the supporting plate, supporting legs are fixedly installed at the bottom of the inner side of the fermentation tank, an annular cylinder is fixedly installed at the tops of the supporting legs, and the annular cylinder is located in the center of the annular base. The airlift unit is arranged on the fermentation tank and the annular base. According to the secondary air supply structure in the energy-saving fermentation system tank, compressed air can be guided into a fermented object, so that oxygen is uniformly dispersed, the fermentation speed is accelerated, oxygen limitation is prevented, the technology of preparing compressed air through air cooling instead of water cooling is adopted, the circulating water amount is saved, and the energy consumption is reduced. And the heated air is used as effective heat energy for secondary utilization to dry mushroom dregs generated by fermentation, so that the heat pollution is reduced, and the steam cost is saved.

This invention relates to the field of power equipment condition monitoring and fault early warning technology, specifically disclosing an infrared temperature measurement and early warning method and system for valve hall equipment based on a lightweight detection network. This invention constructs a spatial topology coupling model to achieve digital twins of physical nodes and thermal interaction paths of the equipment. It utilizes real-time spatial reference anchor point identification and geometric transformation to accurately deduce the location of key monitoring nodes. By estimating cross-thermal pollution components and separating and calculating the net calorific value of nodes, it effectively identifies the true source of equipment temperature rise. Simultaneously, the system evaluates the thermal imbalance index of related subsystems to identify potential systemic risks in advance. Finally, it generates a composite early warning decision that integrates node status and system status, providing maintenance personnel with comprehensive and objective early warning information, significantly improving the intelligent operation and maintenance level of valve halls, and compensating for the diagnostic blind spots of traditional methods that only focus on individuals while neglecting the overall picture.

The utility model discloses a kind of steel slag hot braising low-pressure steam recycling device, including sludge pot, spray pipe and spray head, the spray pipe is placed in the upper end of sludge pot, and the lower end of spray pipe is equipped with spray head at equal intervals, the distal end of the spray head is fixedly connected with support block, the right end of filter box is sequentially provided with regenerator, ejector and heat exchanger from left to right, and heat exchanger is connected with external drying kiln.This steel slag hot braising low-pressure steam recycling device increases the spraying area of steel slag, achieves better cooling effect, in addition, a large amount of low-grade steam generated in steel slag hot braising process is recycled to steel slag briquetting process drying kiln, which can reduce energy waste, protect the surrounding ecological environment, reduce production cost, improve economic benefit, by increasing steam recovery and heat exchange device, the rational use of low-grade steam is realized, the reutilization rate of heat energy is improved, and thermal pollution and noise pollution are effectively reduced.

The utility model relates to a device for converting heat storage polluted steam into new steam, which belongs to the technical field of polluted steam treatment equipment and comprises a polluted steam conveying pipe and a condensate water tank, and a displacement heat exchanger and an indirect heat exchanger which are communicated through a parallel pipeline are arranged between the polluted steam conveying pipe and the condensate water tank. An indirect heat exchange face is arranged in the indirect heat exchanger, an indirect heat exchange connecting pipe is arranged between the indirect heat exchange face and the polluted steam conveying pipe, an indirect heat exchanger condensate pipe is arranged between the indirect heat exchange face and the condensate water tank, a displacement heat exchange pipe is arranged in the displacement heat exchanger, and a displacement heat exchange connecting pipe is arranged between the displacement heat exchange pipe and the polluted steam conveying pipe. A displacement heat exchanger condensate pipe is arranged between the displacement heat exchange pipe and the condensate water tank, and a heat storage new steam supply pipe communicated with the displacement heat exchanger is arranged at the upper end of the displacement heat exchanger. The system for converting the polluted steam into the fresh steam through dynamic heat storage is adopted, the polluted steam is rapidly converted into the fresh steam, and meanwhile the heat storage function is achieved.

The utility model discloses a circulating energy storage device for waste gas environmental protection management, which relates to the technical field of waste gas treatment, and comprises a combustion furnace and a waste gas supply pipeline, a heat conduction inner furnace is fixedly arranged in the combustion furnace, and a heat exchange pipe I is sleeved on the outer side of the heat conduction inner furnace; a second heat exchange pipe is fixedly connected between the first heat exchange pipe and the waste gas supply pipeline, a second flared pipe is fixedly installed at the top of an inner cavity of the heat conduction inner furnace, a waste gas treatment structure is arranged at the bottom of the second flared pipe, and a circulating energy storage structure is installed on the outer side of the combustion furnace. High-temperature gas exchanges heat with water in the outer energy storage space and waste gas in the waste gas supply pipeline, it is guaranteed that heat energy is efficiently collected, meanwhile, the waste gas is preheated, the combustion speed of the waste gas is guaranteed, the temperature of exhaust smoke is controlled, and heat pollution is reduced.

The utility model relates to a modular monitoring equipment with temperature and humidity and smoke alarm function, including installation base, casing frame and monitoring module, the installation base is circular structure, and the even installation seat is installed on the installation base, and the casing frame is fixedly installed in the installation base lower extreme, and the casing frame inside is installed with monitoring module, and the monitoring module is used for monitoring temperature and humidity and smoke, the utility model discloses the modular layout of main control circuit, temperature and humidity sensor, smoke sensor, combines the design of special heat conduction hole and heat conduction sheet, establishes independent efficient radiating path for the electronic component of heating, and the circuit heat source is isolated with temperature sensor, effectively avoids the'heat pollution'problem caused by the equipment own work heat, ensures the authenticity and accuracy of temperature monitoring result.

The present application relates to solid waste recycling technical field, disclose a kind of gasification slag combined treatment process.The present application is in carbon extraction dewatering step, using two-stage multi-stage carbon extraction process of spiral separation and magnetic separation, further reduce the ash content of clean coal product, improve the product value of clean coal, and by using new vacuum filter dewatering to clean coal, using disc vacuum filter dewatering to medium coal and tail residue, according to different product characteristics targeted selection different dewatering mode, reduce the moisture content of gasification slag product;Dehydrated tail residue is activated, reduction iron extraction and melting extraction step, iron element in dewatered tail residue is fully recovered, the rest active tail residue can be used as active material sales, effectively improve the comprehensive utilization rate of gasification slag, and the generated flue gas waste heat can be used to generate electricity, cooling waste heat is used for heating, can energy self-circulation self-supply, realize the resource utilization of waste heat and waste water, reduce thermal pollution and water consumption.

The utility model discloses a rotary kiln surface heat dissipation recovery device, and relates to the technical field of rotary kiln waste heat recovery. The device comprises a bottom plate, wherein moving wheels are fixedly mounted at four opposite angles of the bottom of the bottom plate; the number of the sliding plates is two, and the two sliding plates are symmetrically distributed and installed on the top of the bottom plate in a sliding mode. The heat dissipation fins are used for absorbing heat in the rotary kiln, the heat dissipation fins transmit the absorbed heat to the area covered by the two semicircular covers, then air is injected through the air injection pipe, the air is heated through the heat dissipated by the heat dissipation fins, and the collecting pipe is used for collecting the heat absorbed and dissipated by the heat dissipation fins. The device effectively recovers radiant heat generated on the surface of the rotary kiln cylinder, avoids waste caused by the fact that the heat is directly dissipated into the air, improves the utilization efficiency of energy, and meanwhile is beneficial to reduction of production cost and reduction of thermal pollution to the environment.

The utility model discloses a horizontal hot-pressing distilled water machine raffinate discharging device which comprises a horizontal hot-pressing distilled water machine, a discharging port of the horizontal hot-pressing distilled water machine is connected with a raffinate separating and filtering assembly, and 3-6 groups of raffinate cooling treatment assemblies are arranged on the periphery of an outer ring of the raffinate separating and filtering assembly in an annular array mode. In the technical scheme, residual liquid is permeated and filtered from inside to outside through a liquid inlet filtering membrane roller of the residual liquid separating and filtering assembly, filtered liquid enters and is discharged from outside to inside through a liquid outlet filtering membrane roller, impurities in the residual liquid can be efficiently separated, and the purity of the residual liquid is improved. The T-shaped partition plate reasonably divides the space of the tank body, guides liquid to flow and ensures that the filtering process is orderly. The residual liquid cooling treatment assembly absorbs heat of the tank body through a semiconductor chilling plate, a cooling fan dissipates heat in time, the temperature of residual liquid can be effectively reduced, and thermal pollution and potential safety hazards are avoided.

The utility model provides a plate-type air preheater and a flue gas heat energy recovery device with the preheater, and relates to the technical field of air preheaters, the plate-type air preheater comprises an outer shell, a heat exchange assembly is arranged in the outer shell, a flue gas feeding pipe is arranged at the upper end of the outer shell, a flue gas outlet is arranged at the lower end of the outer shell, and an air outlet is arranged at the left end of the outer shell. An air inlet is formed in the right end of the outer shell. The waste heat in the flue gas is transmitted to the air, so that the temperature of the air entering the subsequent equipment is increased, the heat can be fully utilized in the combustion process and the like, the energy waste is reduced, and the heat efficiency of the whole system is improved. By recovering the heat of the flue gas, the temperature of the discharged flue gas is reduced, the loss of the heat taken away by the flue gas is reduced, and the heat pollution to the environment is also reduced to a certain extent. The flue gas waste heat is utilized to heat the air, so that the energy which is additionally consumed for heating the air is reduced, the recycling of the energy is realized, and the production cost is reduced.

The invention discloses a boiling pot secondary flash steam waste heat recovery system and method based on MVR, and the system comprises a boiling pot, a steam-liquid separator, a steam compressor, a steam reutilization device, a flash tank and an ejector, the steam reutilization device is arranged in the boiling pot, and the flash tank is arranged in the boiling pot; a steam outlet of the boiling pot is sequentially connected with an inlet adjusting valve, a steam-liquid separator and a steam compressor through pipelines, an outlet adjusting valve is finally connected to a steam recycling device to form a first steam loop, and the output end of the steam recycling device is communicated with the flash tank and the ejector through pipelines in sequence and then is communicated with the steam compressor. Original waste secondary flash steam is completely recycled, the quality of the steam is improved, then the steam is reused, a large amount of live steam needed by a boiling pot is directly replaced, the energy-saving rate is increased, and meanwhile consumption of cooling water and heat pollution are greatly reduced. The boiling pot secondary flash steam waste heat recovery system and method based on the MVR have the effect of being remarkable in energy saving effect.

The utility model provides a pressure equalizing pipe exhaust device of an electric blower, which relates to the technical field of matched mechanical equipment of titanium dioxide electric blowers and comprises a communicating pipe, a flange, an expansion joint, an exhaust port and an elastic support. The communicating pipe comprises a front-section pipe body and an extension-section pipe body which are connected through an expansion joint, and the extension section is provided with a beveled exhaust port and a guide plate after penetrating out of a plant; the front-section pipe body is connected with a pressure equalizing pipe exhaust port through a DN100 flange, a high-temperature-resistant sealing gasket is arranged in the front-section pipe body, and flange bolt holes are asymmetrically distributed; an elastic support containing a high-damping rubber layer is arranged at the bottom of the pipe body to restrain vibration conduction. All the components are made of Q235 steel base materials, and the inner walls of the components are coated with organic silicon heat-resistant coatings of 50-80 microns. The device realizes the functions of directional discharge of high-temperature gas, vibration noise suppression, overpressure relief protection and quick disassembly and maintenance, effectively solves the problems of thermal pollution of a plant, equipment loss and low maintenance efficiency, and comprehensively improves the operation safety and environmental adaptability of an air blower unit.

The invention discloses a high-voltage power transformation and direct-current fast charging integrated system, and relates to the technical field of electric vehicle charging equipment. The system comprises a physical double-bin unit, a thermal management isolation unit, a layered electromagnetic shielding unit and an integrated grounding unit, through the double-bin integrated design, a high-voltage power transformation module is arranged in a high-voltage bin, a power module and a control module are integrated in an integrated bin, and the whole process integration from 10 kV / 35 kV high-voltage input to direct-current charging output is achieved. The high-voltage bin and the integrated bin adopt an independent heat dissipation system to cut off thermal pollution, electromagnetic protection is formed through a Q235 metal shielding layer and board-level shielding, and the EMI problem is solved in cooperation with a low-impedance equipotential grounding system. The system is high in integration level and compact in structure, can be prefabricated in factories for standardized production, greatly simplifies the installation process, saves the field, improves the working stability and the operation and maintenance efficiency of equipment, and effectively overcomes many defects of traditional discrete equipment.

The utility model discloses an aerated block autoclaved curing device for reducing thermal pollution, which comprises a tank body, a placing structure, a moving structure, a flow guide pipe, a four-way pipe and a radiating pipe are arranged in the tank body from bottom to top, a purifying structure is arranged at the top end of the outer side of the tank body, a first sealing door is rotatably connected in the front side wall of the tank body, and a second sealing door is rotatably connected in the front side wall of the tank body. And the moving structure comprises a motor, a lead screw, a moving block, an auxiliary rod and a moving plate, the output end of the motor is fixedly connected with the lead screw, and the outer side of the lead screw is in threaded connection with the moving block. According to the aerated block autoclaved curing device capable of reducing the thermal pollution, waste steam is conveniently filtered and purified through the purification structure, so that the air pollution is reduced, aerated blocks are conveniently taken and placed through the design of a moving structure and a matched placement structure, the bottom of a heat dissipation pipe is connected with a plurality of flow guide pipes through a four-way pipe, and therefore the situation that the steam is accumulated at the bottom end of a plate is reduced; and water drops on the aerated block are reduced.

The utility model belongs to the technical field of boilers, and particularly relates to a boiler waste heat utilization device which comprises a boiler inner container, the boiler inner container is installed on a bottom plate, a boiler shell covers the bottom plate, a water cavity is formed among the boiler shell, the boiler inner container and the bottom plate, and a water inlet and a water outlet are formed in the boiler shell. The boiler inner container comprises a combustion chamber and a plurality of heat source bodies, the adjacent heat source bodies are communicated through transverse pipes and form an S-shaped channel, the combustion chamber is communicated with the S-shaped channel, heat source body pipes are inserted into the heat source bodies, the combustion chamber is communicated with an air inlet, a reverse combustion furnace door, a forward combustion furnace door and an ash removal door, and an upper furnace branch pipe and a lower furnace branch pipe are inserted into the combustion chamber at intervals up and down. The S-shaped channel communicates with an air inlet of the induced draft fan. The stratified combustion bin is designed to adapt to fuels of different volumes, sufficient combustion of the fuels is ensured, the energy utilization rate is increased, waste heat can be efficiently recycled through a serpentine channel, and energy consumption and thermal pollution are reduced. The device is small in size, the installation difficulty and cost can be reduced, and the application scene is widened.

The invention relates to the technical field of precast slab treatment, and discloses uniform heat supply circulating steam curing equipment for PK precast slab production, which comprises a base, a steam curing kiln is fixedly mounted on the base, an inlet / outlet is formed in the end part of the steam curing kiln, the base is positioned on the outer side of the inlet / outlet of the steam curing kiln and extends into the steam curing kiln to be paved with a sliding rail, and a transport vehicle is slidably arranged on the sliding rail; a front plugging block and a rear plugging block are installed at the two ends of the transport cart respectively, rotating pipes are rotationally arranged on the two sides of the transport cart respectively, sealing covers are installed on the rotating pipes, and the overall outer overall dimension of the transport cart provided with the front plugging block, the rear plugging block and the sealing covers is matched with the sectional dimension of an inlet and an outlet of the steam curing kiln. Leakage of high-temperature steam in the kiln can be remarkably reduced, the problems of high-temperature mist and thermal pollution in a workshop are effectively solved, and the safety of the working environment is improved; and compared with an existing double-sealing-door transition cavity scheme, the overall structure of equipment is greatly simplified, the occupied area is reduced, and the production efficiency is effectively improved.

The invention discloses an advertisement screen charging pile of an electric bicycle and a multi-socket charging management method, and relates to the technical field of charging equipment of electric vehicles. The advertising screen charging pile comprises at least one first charging socket located on a front panel of a shell, at least one second charging socket located on a lower cover of the shell and at least one air outlet set located on a back panel of the shell, heat insulation plates are arranged on the front panel and face the back panel in a protruding mode, and the heat insulation plates comprise the first heat insulation plate, the second heat insulation plate and the third heat insulation plate. The first heat insulation plates are located in the middle of the shell and distributed on the two sides in the width direction, and a main air duct is formed by the space between the two first heat insulation plates. The second heat insulation plates are located on the two sides of the main air channel and separate the first charging socket from the second charging socket to form a first air channel and a second air channel. According to the charging pile, the heat insulation plates are arranged to construct special air ducts corresponding to all heat sources, meanwhile, thermal pollution of all devices is physically intervened, and the chaos state of airflow in a traditional charging pile is changed.

The invention discloses a saturated water closed-loop circulation structure and belongs to the technical field of energy-saving heating, the saturated water closed-loop circulation structure comprises a combustion chamber providing a combustion place, a hot air pipeline is connected to the bottom of the combustion chamber through a pipeline, the hot air pipeline is U-shaped, and a preheating bin body is connected to the end, away from the combustion chamber, of the hot air pipeline through a pipeline; a heat pipe type air preheater is arranged in the preheating bin body, an air inlet of the heat pipe type air preheater is connected with an air blower through a pipeline, and an air outlet of the heat pipe type air preheater is connected with a preheating gas pipeline through a pipeline. By arranging the fin shell and tube heat exchanger and circulating saturated water through the high-temperature circulating pump, compared with traditional steam heating, the situation of heat loss caused by condensate water discharge is avoided, the heat utilization rate is effectively increased, hot waste gas generated by combustion heats to-be-mixed air, the hot waste gas is cooled and then discharged, and the energy consumption is reduced. The heat utilization rate is further improved, and heat pollution is avoided.

The invention provides a power auxiliary device of a farming machine. The power auxiliary device comprises a box body, a flame inlet, a flame outlet and a pipe body mechanism, one end of the box body is provided with the flame inlet, and the other end of the box body is provided with the flame outlet; the device is mounted near an engine of a farming machine. Flame generated by working of an engine enters the pipe body mechanism through the flame inlet 1, water in the pipe body is heated by the flame in the moving process, and high-pressure and high-temperature water vapor is generated. The steam enters the gas storage tank after being treated by the water-steam separation small tank, and finally drives the pneumatic motor to operate to provide power assistance for the farming machine. The partition plate 6 can effectively control the flame trend and improve the heat utilization rate and the heating efficiency, so that the power performance of the whole machine is enhanced, the machine is more suitable for complex terrains and heavy work, and the agricultural production efficiency is improved. Waste heat generated by the engine is used for heat energy conversion, extra energy supply is not needed, efficient utilization of energy is achieved, and heat pollution to the environment is reduced by reducing emission of the waste heat of the engine.

The utility model discloses a self-adhesive label high temperature resistance testing device which comprises a testing box and a cooling box, cold water is arranged in the cooling box, an adsorption mechanism used for adsorbing gas in the testing box is arranged on the rear wall of the testing box, and the adsorption mechanism comprises a gas suction shell fixedly connected to the rear wall of the testing box. The air suction shell is communicated with the test box, the upper end of the air suction shell is fixedly connected with an air inlet pipe communicated with the air suction shell, the inner wall of the air suction shell is rotatably connected with an exhaust fan, the inner wall of the cooling box is fixedly connected with a heat exchange coil in a penetrating manner, and the air inlet pipe is communicated with one end of the heat exchange coil. According to the utility model, the structure is reasonable, through the arrangement of the adsorption mechanism, the cooling box and the purifier, during testing, high-temperature gas in the heat exchange coil is cooled, and meanwhile, cooled waste gas enters the purifier to be purified, so that the waste gas is treated; and health threats of harmful gas pollution and thermal pollution to workers can be effectively avoided.

The invention discloses a dead steam waste heat recovery heat supply system for a water-cooled steam turbine unit, which relates to the technical field of power plant energy conservation, and comprises an integral pipeline, and a condenser, a high-power pressure condenser, a steam engine condenser, a steam engine unit, a heat supply network unit, a heat supply network circulating water supply and a heat supply network circulating water return which are arranged on the integral pipeline, and a middle exhaust unit. According to the heat supply transformation, the gradient utilization scheme of a front condenser, a pressure-multiplying condenser, a steam engine condenser and a heat supply network unit is preferentially adopted, dead steam waste heat is improved, power consumption of auxiliary machines such as a circulating water pump is reduced, in the aspect of environmental protection and emission reduction, due to the fact that the fire coal amount is reduced, emission of pollutants such as COs and sulfides is reduced, thermal pollution of the dead steam waste heat to the surrounding environment is avoided, and energy conservation and emission reduction are achieved. Fire coal purchase, transportation and electric charge expenditures are reduced, the heat supply marginal cost is reduced, the heat supply capacity can meet recent heat loads, and different working conditions in the heating period can be adapted.