18results about How to "Reduce heat pollution" patented technology

The utility model relates to the technical field of biscuit processing, and one embodiment of the disclosure provides biscuit baking equipment with a heat recovery function, the biscuit baking equipment comprises a baking oven, a heating coil is arranged in the baking oven, a heat regeneration cover is inserted into the upper end face of the baking oven, an insertion pipe is arranged at the upper end of the heat regeneration cover, a communicating pipe is inserted into the insertion pipe, and the communicating pipe is communicated with the heating coil. An inserting cover is arranged at the tail end of the communicating pipe, a locking strip is arranged on the inner side wall of the inserting cover, a pushing spring is arranged on the inner side wall of the locking strip, and the pushing spring is arranged on the inner side wall of the inserting cover. By means of the technical scheme, the problems that in the prior art, a large amount of hot steam and hot air can be generated in the baking process, heat is usually directly discharged to the outside, energy waste is caused, the production cost is increased, the temperature of a baking workshop can rise, the working environment of the workshop is affected, and the working environment is affected are solved. And even extra cooling equipment is needed to maintain a proper temperature, so that the energy consumption is further increased.

The invention provides a Yankee drying cylinder system with multi-stage heat energy recovery and automatic temperature control, which relates to the technical field of heat energy recovery and comprises a multi-stage heat energy recovery unit, a steam mixing and adjusting unit and an intelligent temperature control center, the multi-stage heat energy recovery unit is used for recovering sensible heat of tail gas discharged by a Yankee drying cylinder, heat dissipation of a cylinder body and latent heat of condensate water and converting the sensible heat, the heat dissipation and the latent heat into available low-pressure steam; by arranging the first-stage tail gas recovery assembly, the second-stage cylinder body heat dissipation recovery assembly and the third-stage condensate water recovery assembly which are sequentially connected, sensible heat of tail gas discharged by the Yankee dryer, heat dissipation of the cylinder body and latent heat of condensate water can be comprehensively captured, and energy waste caused by direct discharge of waste heat in a traditional system is avoided; recycled heat energy is converted into low-pressure steam, then the low-pressure steam is stored in the low-pressure steam buffer tank and serves as a recycled steam source to be mixed with main steam to be introduced into the Yankee drying cylinder again, part of main steam consumption is effectively replaced, the input amount of external main steam is greatly reduced, and the industrial development trend of energy conservation and consumption reduction is met.

The utility model discloses a heat recovery system. The heat recovery system comprises a first heat exchange assembly used for conducting sensible heat recovery on smoke of the aluminum oxide roasting furnace; the flue gas pipeline is communicated with the roasting furnace and the first heat exchange assembly; the first conveying pipeline communicates with the first heat exchange assembly; the bypass flue is communicated with the flue gas pipeline and the first conveying pipeline; the adjusting valve is arranged in the bypass flue and used for adjusting the opening degree of the bypass flue; the chimney is communicated with the first conveying pipeline; and the second heat exchange assembly communicates with the chimney and is used for conducting latent heat recovery on the flue gas subjected to sensible heat recovery through the first heat exchange assembly.

The invention relates to the technical field of waste heat recovery, in particular to a system and method for recovering compression heat of an air compressor for preheating boiler feed water. The system comprises an air compressor waste heat recovery subsystem and a boiler feed water preheating subsystem. The air compressor waste heat recovery subsystem comprises a multi-stage centrifugal air compressor, a first-stage compressor, a second-stage compressor and a third-stage compressor are sequentially integrated in the multi-stage centrifugal air compressor, and an outlet of the first-stage compressor and an outlet of the second-stage compressor are connected to the hot side of the efficient heat exchanger through pipelines. The cold side of the efficient heat exchanger, the circulating water pump and the surge tank form a closed circulating water loop through pipelines; the make-up pump is connected to the closed circulating water loop; the boiler feed water preheating subsystem comprises a desalting water tank, a deoxidizing feed pump, a water-water heat exchanger, a deaerator and a boiler which are sequentially connected through pipelines, and the water-water heat exchanger is connected into a circulating water pipeline of the air compressor waste heat recovery subsystem. Compression heat of the centrifugal air compressor is recycled and used for preheating boiler feed water. The waste heat utilization rate is improved.

This utility model relates to the field of diesel engine technology, and in particular to an integrated fuel release and heat tracing tank for low-speed diesel engines. The integrated fuel release and heat tracing tank for low-speed diesel engines includes a fuel release tank, a heat tracing tank installed inside the fuel release tank, a high-temperature steam inlet pipe fixedly connected to the top of the heat tracing tank, a high-temperature steam outlet pipe fixedly connected to the bottom of the heat tracing tank, a cleaning mechanism installed inside the heat tracing tank to promptly clean the condensate formed by steam inside the heat tracing tank, and a recovery mechanism installed on the back of the fuel release tank to recover the condensate and reuse it in the cooling process. This fully utilizes the low-temperature waste heat, replacing fresh cooling water or low-temperature water sources, significantly reducing the energy and water consumption of industrial cooling systems. This utility model improves the utilization efficiency of the hot steam inside the heat tracing tank through the cooperation of the cleaning and recovery mechanisms.

The utility model relates to the technical field of waste heat recovery, and one embodiment of the utility model provides a waste heat recovery device for a multistage MVR evaporator, the waste heat recovery device comprises a temperature recovery box, the upper end of the temperature recovery box is provided with a feeding port, an evaporation condensation assembly is arranged in the temperature recovery box, a small-diameter pipe is sleeved with a large-diameter pipe, and a large-diameter pipe is arranged in the temperature recovery box; a heater is arranged at the bottom of the temperature recycling box and attached to the large-diameter pipe, a condensation box is arranged on the inner side wall of the temperature recycling box, resistance increasing pieces are arranged on the inner side wall of the condensation box, crossed pieces are arranged on the outer side wall of the large-diameter pipe, and the crossed pieces and the resistance increasing pieces are arranged in a crossed mode. According to the technical scheme, the technical problems that a traditional waste heat recovery technology in the related technology / the prior art has many limitations, for example, a simple heat exchanger can only recover part of sensible heat and is low in latent heat recovery efficiency, and some complex waste heat recovery systems are often huge in equipment, high in investment cost and large in operation and maintenance difficulty are solved.

The utility model relates to a kind of aluminium material forming rapid cooling device, belong to aluminium material processing technical field, including: conveying mechanism, for conveying aluminium profile;Water mist spray head, be set in the below of conveying mechanism, for spraying water mist;Air cooling mechanism, including fan, air pipe and air outlet, the air pipe both ends are connected fan and air outlet respectively, the air outlet is located at the side of water mist spray head;Air collection mechanism, set with the above of conveying mechanism;Condensing mechanism, with air collection mechanism is connected, for condensing hot gas.This application can realize the rapid cooling of aluminium profile by combining water mist spray head and air cooling mechanism;The fine water mist sprayed by water mist spray head can quickly absorb the heat on the surface of aluminium profile, while air cooling mechanism further accelerates the emission of heat by the strong wind generated by fan.This double cooling mechanism significantly improves the cooling efficiency, shortens the cooling time of aluminium profile, thereby improves production efficiency.

The invention provides a flue gas waste heat recycling system of a waste heat boiler, and belongs to the technical field of flue gas waste heat recycling, the flue gas waste heat recycling system comprises a combustion furnace, the tail gas discharge end of the combustion furnace is connected with the waste heat boiler, and the waste heat boiler comprises a boiler body, a heat exchanger and a heat exchanger; the water tank is arranged at the top of the pot body and connected with the water supplementing pipe, and an air pressure sensor is arranged in the water tank; through mutual cooperation of the first heat conduction fins, the first driving machine, the second heat conduction fins, the second driving mechanism and the like, the rotation angles of the first heat conduction fins and the second heat conduction fins can be flexibly adjusted through the corresponding driving mechanisms, and the included angles between the fins and the tail gas flowing direction can be adjusted according to the change of the steam pressure of the water tank; and the tail gas flow rate and the heat exchange efficiency are adjusted.

The utility model belongs to the technical field of caustic soda evaporation and concentration, and particularly relates to a triple-effect countercurrent falling film evaporation system for improving caustic soda concentration, which comprises a first-effect evaporation chamber, a second-effect evaporation chamber and a triple-effect evaporation chamber which are sequentially connected in series end to end, the flowing directions of low-concentration caustic soda and primary steam in the first-effect evaporation chamber, the second-effect evaporation chamber and the third-effect evaporation chamber are opposite, an alkali liquor heat energy recovery unit and a steam condensate heat energy recovery unit are additionally arranged, and the low-concentration caustic soda exchanges heat with the high-concentration caustic soda by means of the alkali liquor heat energy recovery unit; and the low-concentration caustic soda exchanges heat with the steam condensate of the next-stage evaporation chamber by means of the steam condensate heat energy recovery unit. The alkali liquor heat energy recovery unit and the steam condensate heat energy recovery unit are additionally arranged for heat energy recovery, and through dual heat energy recovery, the heat energy utilization rate is improved, the primary steam consumption is reduced, and therefore the production energy consumption cost is reduced.

The invention discloses a spraying, washing and drying integrated bottle washing method and system based on waste heat utilization, and belongs to the technical field of laboratory ware cleaning. According to the method, pre-washing, main washing, neutralizing, rinsing and drying are sequentially carried out on an experimental vessel, rinsing high-temperature waste water and drying high-temperature waste gas are used as waste heat sources and are subjected to reverse heat exchange with pre-washing / main washing tap water and rinsing purified water respectively, and waste water to be discharged is subjected to final heat exchange through a plate heat exchanger and then is discharged at low temperature; and the temperature of the preheated water is dynamically compensated to the working procedure temperature by the PTC electric heating element, and automatic switching of three water ways is realized in cooperation with the single pump and the electromagnetic three-way valve. The device realizes gradient utilization of heat, obviously reduces heating energy consumption, simplifies a waterway structure, improves cleaning and drying stability, has the advantages of energy conservation, high efficiency, reliable operation, simple maintenance, environmental protection and the like, and is suitable for cleaning and drying integrated operation of various laboratory lab utensils.

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.

A server cabinet is suitable for being connected with a liquid cooling system. The server cabinet comprises a cabinet body, a heat exchanger, at least two server racks, two partition plates, a first fan assembly and a second fan assembly. The cabinet body is provided with an internal space, wherein the internal space is a closed space. The heat exchanger is arranged in the inner space and provided with a first end and a second end which are opposite. The at least two server racks are disposed on opposite sides of the heat exchanger, respectively, and have a plurality of heat sources. And the two partition plates are respectively arranged between one of the at least two server racks and the heat exchanger. The first fan assembly is arranged at the first end and generates an air flow, and the air flow flows towards the at least two server racks. The second fan assembly is arranged at the second end, and airflow flows into the heat exchanger through the second fan assembly.

The utility model relates to the technical field of flue gas waste heat utilization, in particular to a heat exchanger for flue gas waste heat utilization, which comprises a cylindrical flue, a square heat exchanger main body arranged in the cylindrical flue, and a heat exchange core body formed by a plurality of stainless steel pipes which are arranged in parallel and two ends of which are fixed through pipe plates, the outer surface of the stainless steel pipe is fixedly provided with hydrophilic foil fins with the fin spacing being 2 mm and the thickness being 0.115 mm through a water expansion technology, the circulating water path is connected with a water inlet and a water outlet of the stainless steel pipe, the stainless steel water tank is arranged below the heat exchange core body, and the stainless steel water tank is used for collecting condensate water and directly discharging the condensate water through a water outlet. The heat exchanger is of a square structure, the stainless steel pipe heat exchange core is contained in the heat exchanger, the hydrophilic foil fins are arranged, the whole heat exchanger is placed in the cylindrical flue, and heat recovery of industrial flue gas is achieved.

The invention relates to the technical field of energy-saving equipment in the metallurgical industry, in particular to a height-adjustable scrap steel preheating device based on waste heat of an electric furnace, which comprises a steel preheating equipment station and a scrap steel basket, the steel preheating equipment station is provided with a driving mechanism capable of horizontally moving and vertically lifting, and the bottom of the steel preheating equipment station is provided with a lifting preheating cover. And the steel scrap basket is conveyed to the position below the preheating cover through the conveying platform, and a rotatable loading cylinder is arranged in the material basket. When the preheating cover descends, the preheating cover is in sealed butt joint with the material basket to form a closed space, a waste heat conduction assembly for guiding high-temperature airflow into the material basket in the spiral tangential direction is integrated in the preheating cover, and a smoke exhaust connector is arranged. A rotation driving mechanism is arranged at the bottom of the material basket, and the loading cylinder is driven to rotate through lateral embedded gear transmission. The device can realize closed uniform preheating of the waste steel, is suitable for cutting-free treatment of the waste steel with different sizes, obviously improves the waste heat recovery efficiency of the electric furnace, reduces the smelting energy consumption, and simultaneously improves the production flexibility and environmental protection property.

This invention discloses a waste heat recovery and utilization system and method for laptops based on thermoelectric conversion effects, belonging to the field of thermoelectric materials and devices technology. It includes: a distributed thermoelectric array module composed of multiple miniature TEG units distributed in high-heat areas of the laptop, generating electricity directly through temperature differences; an adaptive thermal management module including a thermally conductive silicone layer and miniature heat dissipation fins to optimize the temperature difference between the hot and cold ends; a multi-level power management module including a rectifier circuit, a DC-DC boost chip, and a recovery and storage battery device to convert the unstable low-voltage DC power output from the TEGs into stable electrical energy, which is then stored and supplied to the target device; and an intelligent control module that dynamically adjusts the working area of ​​the miniature thermoelectric power generation units based on temperature sensor data, prioritizing power generation at the location with the largest temperature difference, and matching power supply requirements through a PMIC chip. This invention achieves efficient waste heat conversion and utilization through innovative design, solving the problem of low thermoelectric conversion efficiency in miniaturized devices, and achieving energy saving and environmental protection.

The utility model provides a circulating water return water waste heat recovery system which is characterized in that a compression type heat pump unit is arranged between a circulating water field and a municipal heat supply network water supply pipeline, heat of waste heat water in circulating water is transferred to return water in the municipal heat supply network water supply pipeline through the compression type heat pump unit, and heat supply network water supply is heated. And the waste heat water after heat recovery returns to the circulating water field. According to the system, the compression heat pump technology is adopted, efficient recycling of circulating water waste heat is achieved, and the waste heat recycling amount meets the regional heating requirement; the running number of fans of the circulating water field can be reduced, the electric quantity is saved, the heat dissipation and evaporation capacity of circulating water is reduced, the real-time water supplementing amount is reduced, and fresh water consumption is reduced; direct emission of waste heat is reduced, and thermal pollution is reduced.

This invention provides an air-conditioning water heater and its control method. The air-conditioning water heater includes a compressor, an outdoor heat exchanger, an indoor heat exchanger, a water tank, and a liquid storage device. The discharge end of the compressor can be connected to one end of the outdoor heat exchanger, one end of the indoor heat exchanger, or one end of the water tank. The other end of the outdoor heat exchanger is connected to the interior of the liquid storage device, the other end of the indoor heat exchanger is connected to the interior of the liquid storage device, and the other end of the water tank is connected to the interior of the liquid storage device. The suction end of the compressor can be connected to one end of the outdoor heat exchanger, one end of the indoor heat exchanger, or one end of the water tank. According to this invention, it can simultaneously achieve cooling + hot water production and heating + hot water production modes, and can also adaptively adjust the refrigerant circulation volume in different modes, solving the problems of high power consumption and insufficient comfort requirements, thus achieving efficient system operation.

The invention relates to the technical field of generator tail gas utilization, in particular to a generator set tail gas waste heat recovery and cyclic utilization system which comprises a plurality of unit modules, and each unit module comprises a tail gas collection module, an energy conversion module, a multi-stage heat exchange module, a cyclic conveying module and an intelligent control module. The input end of the tail gas collecting module is in sealed connection with an exhaust port of the generator set, and the tail gas collecting module is used for collecting tail gas discharged by the generator set and conducting preliminary purification treatment. And a three-stage series heat exchange structure is adopted, gradient recovery of high-temperature, medium-temperature and low-temperature waste heat of the tail gas is achieved, waste heat resources in the tail gas are captured to the maximum extent, the waste heat recovery efficiency is improved to 85% or above, and energy waste is remarkably reduced. Recycled waste heat is converted into electric energy and heat energy, the electric energy can be supplied to auxiliary equipment of the generator set or merged into a power grid, the heat energy can be used for heating and hot water supply, multi-element utilization of the waste heat is achieved, and the energy utilization value is improved.