77results about How to "Reduce heat pollution" patented technology

The invention relates to a power plant waste heat recovery and heat storage type heating composite optimization method and system. A heat exchanger in the waste heat recovery system is accurately selected according to waste heat characteristics, a pipeline is insulated, and a sensor is arranged to be connected with a control system. The heat storage device is made of a composite heat storage material, is modularly designed and has intelligent heat charging and discharging control. The heating network comprises a water supply and return pipe network, a key node is provided with a sensor and a regulating valve, and a user side is provided with an intelligent heat meter. And establishing a collaborative optimization model, solving by adopting an intelligent algorithm, and developing an intelligent predictive control system. The energy utilization efficiency is improved by 20%, the heating quality is optimized, the room temperature uniformity is improved by 15%, the indoor temperature fluctuation is within + / -2 DEG C, meanwhile, the operation cost is reduced by 15%, environmental pollution is reduced, good economic and social benefits are achieved, and the method is suitable for the field of power plant waste heat utilization and heating.

The invention relates to a multi-section efficient dehumidification system used in a VOC volatile environment, and relates to the technical field of VOC treatment.The dehumidification system comprises an adsorption tower, a drying mechanism, a heat exchanger and a heater, the adsorption tower is used for adsorbing VOC in tail gas exhausted by a crystallizer and then inputting the VOC into the heat exchanger, and the drying mechanism is used for drying the VOC in the tail gas; the drying mechanism is used for drying air, inputting the dried air into the heat exchanger for heat exchange with tail gas and preheating the air, and the heater is used for heating the preheated air and inputting the heated air into the crystallizer. According to the device, air is dried through the drying mechanism to form dry air, then heat exchange can be conducted on heat of tail gas and the dry air through the heat exchanger to preheat the dry air, and therefore energy saving is achieved, and pollution to the environment is reduced.

The utility model discloses a boiler make-up water heating system based on waste heat utilization of tail gas of a sludge incineration boiler, belongs to the technical field of waste heat recovery, and solves the problem that heat in flue gas is recycled to heat boiler make-up water so as to realize repeated recycling of resources. Comprising a boiler air duct, and a lower mounting frame communicating with the interior of the boiler air duct is fixedly connected to the peripheral wall of the boiler air duct. According to the system, the tail gas of the sludge incineration boiler can be guided to pass through the air pre-heater and the low-temperature coal economizer through the boiler air duct, so that heat in the tail gas of the sludge incineration boiler is recycled, and meanwhile, the flue gas amount of the tail gas of the sludge incineration boiler is large; the low-temperature liquid output from the slag cooler can be heated to the temperature capable of being used in a steam turbine, the actions of outputting the heated liquid and inputting the low-temperature liquid can be autonomously performed according to the change of the temperature, huge heat in tail gas of a sludge incineration boiler is fully utilized, and the resource utilization rate is increased.

The invention relates to the technical field of heat energy recovery, and particularly discloses a compressor heat energy recovery system, which comprises a recovery rate determination module, a heat energy recovery module and a heat energy recovery module, the consumption rate acquisition module is used for acquiring the heat energy consumption rate of the current heat energy consumption device; the heat exchange strategy determination module is used for determining an optimal heat energy exchange strategy based on the heat energy recovery rate, the heat energy consumption rate and a preset heat exchange loss calculation mode of each heat exchange mode, and the optimal heat energy exchange strategy comprises the heat exchange mode, the heat exchange area and the fluid flow of a heat exchange medium; the method is used for providing clear guidance for actual operation and control of the system and ensuring efficient and stable operation of the system. The energy consumption is reduced, the cost is saved, the thermal pollution to the environment is reduced, and the sustainable development is realized.

The utility model discloses a refractory material sintering kiln which comprises a kiln body, a filter box is fixedly installed on the top of the kiln body, a heat exchange box is fixedly installed on the top of the filter box, smoke exhaust pipes are fixedly installed on the two sides of the top of the kiln body, and the other ends of the smoke exhaust pipes penetrate through and extend into the filter box. A filter screen is fixedly installed in the filter box and close to the top of the filter box, heat exchange pipes are connected to the two sides of the top of the filter box in a penetrating mode, and the top ends of the heat exchange pipes penetrate through the heat exchange box and are connected with smoke outlet pipes in a penetrating mode. According to the utility model, through the matching of the structures, the heat exchange of the flue gas discharged by the kiln is realized, so that the flue gas can be supplied to the heating and preheating requirements in the production process, the temperature of the discharged flue gas can be reduced, the energy loss can be reduced, and the thermal pollution can be reduced.

The invention discloses an air conditioner and a control method of the air conditioner, the air conditioner comprises a heat exchange flow path, one end of the heat exchange flow path is connected with an outlet of a compressor, the other end of the heat exchange flow path is connected with a fourth port, and a living water tank is placed on the heat exchange flow path; the control valve group is arranged on the refrigerant circulating flow path; the controller is connected with the control valve set and the four-way valve, the controller is configured to obtain a target operation mode of the air conditioner, and the target operation mode at least comprises a first cooperation mode combining a heating mode and a water heating mode; determining the target operation mode of the air conditioner as a first cooperative mode; and the on-off state of the control valve group and the on-off state of the four-way valve are controlled according to the first cooperative mode. By the adoption of the air conditioner, the requirements for heating and water heating can be met at the same time, waste heat generated in the heating process is fully used for making hot water, and therefore environmental thermal pollution is reduced, and energy waste in the operation process of the air conditioner is avoided.

The invention provides a method for preparing a Cu-Al2O3-EP mixed corrosion-resistant coating, which comprises the following steps: carrying out surface treatment on a base material, and sequentially grinding, polishing, cleaning, drying and sandblasting to obtain a base material to be sprayed; the preparation method comprises the following steps: mechanically mixing Cu powder, Al2O3 ceramic particles and epoxy resin EP powder to obtain cold spraying prefabricated powder; and the prefabricated powder is subjected to low-pressure cold spraying to a to-be-sprayed base material, after the coating is cooled and cured, polishing and correction are conducted, and the Cu-Al2O3-EP mixed corrosion-resistant coating is obtained. The prepared coating has excellent mechanical strength and corrosion resistance, has good thermal stability and toughness, and is suitable for various harsh application environments.

The present invention relates to the technical field of drying devices, and specifically to a drying device and a drying method for composite fabric production, comprising a high-efficiency quick-drying device installed inside a drying box, the high-efficiency quick-drying device comprising a laminating spraying and pressing device, a laminating suction device, a reflux dehumidification device, a heating device and a synchronous clamping device, the synchronous clamping device being installed on the drying box, the laminating spraying and pressing device and the laminating suction device being symmetrically installed on the synchronous clamping device, the reflux dehumidification device being arranged above the laminating suction device, the input end of the reflux dehumidification device being connected to the output end of the laminating suction device, the reflux dehumidification device being used for filtering and recovering heated gas, the heating device being arranged beside the reflux dehumidification device, the input end of the heating device being connected to the output end of the reflux dehumidification device, the output end of the heating device being connected to the input end of the laminating spraying and pressing device, the present invention can effectively save energy consumption and reduce costs, while improving drying efficiency and drying quality.

This utility model discloses a device for efficiently utilizing water resources by recovering high-temperature condensate to prepare demineralized water. It includes a high-temperature condensate output unit, a heat exchange and cooling unit, a demineralized water unit, and a demineralized water supply unit. The heat exchange and cooling unit includes a primary heat exchanger connected to the high-temperature condensate output unit via a pipeline, a secondary heat exchanger connected to the outlet of the primary heat exchanger via a pipeline, and a tertiary heat exchanger connected to the outlet of the secondary heat exchanger via a pipeline. The outlet of the tertiary heat exchanger is connected to the demineralized water unit via a pipeline, and the outlet of the demineralized water unit is connected to the demineralized water supply unit via a pipeline. In this application, after multi-stage efficient heat recovery treatment of the high-temperature condensate, the temperature of the high-temperature condensate is reduced to the design temperature range of 35-45℃ for the demineralized water unit. The cooled condensate is then transported to the demineralized water unit to prepare demineralized water, thus replenishing the demineralized water supply unit.

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 relates to the technical field of flue gas condensation, and discloses a water-saving device for flue gas condensed water recovery, which comprises a main body component and a shell, one side of the shell is provided with a flue gas inlet, and the other side of the shell is provided with a flue gas outlet; the collecting mechanism comprises a condensed water collecting unit and a flue gas heat exchange unit, the condensed water collecting unit is installed in the shell, the condensed water collecting unit is installed at one end of the shell, flue gas heat exchanges heat with cold water in the flue gas heat exchange unit through the pipe wall of a heat exchange pipe, and the cold water absorbs heat energy of flue gas to achieve flue gas cooling; meanwhile, sulfur oxides, carbon dioxide and ammonia gas in the flue gas enter flue gas condensed water, emission and thermal pollution of sulfur dioxide and carbon dioxide in the flue gas are reduced, and meanwhile, the flue gas condensed water can flow into a condensed water collecting unit along with the flue gas through an internal flow guide plate; the bottom plate of the flue gas heat exchange unit with the inclined angle not only helps flue gas condensed water to enter the collecting unit, but also prevents the condensed water from overflowing out of the flue gas outlet along with flue gas.

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 invention provides a method for preparing a Ti-Al2O3-PVDF (Polyvinylidene Fluoride) mixed seawater corrosion-resistant coating by low-pressure cold spraying, which comprises the following steps: carrying out surface treatment on a base material, and sequentially grinding, polishing, cleaning, drying and sandblasting to obtain a base material to be sprayed; the preparation method comprises the following steps: mechanically mixing Ti powder, Al2O3 ceramic particles and polyvinylidene fluoride (PVDF) powder to obtain cold spraying prefabricated powder; and the cold spraying prefabricated powder is subjected to low-pressure cold spraying to a to-be-sprayed base material, after the coating is cooled and cured, polishing and correction are conducted, and the Ti-Al2O3-PVDF mixed seawater corrosion resistant coating is obtained. The prepared coating not only has excellent mechanical strength and corrosion resistance, but also has good thermal stability and toughness, is suitable for various harsh application environments, especially can be applied to ocean engineering environments, and can resist seawater scouring and corrosion.

The present invention discloses a device for recycling waste heat on the surface of a rotary kiln, comprising a heat absorbing device, a plate air inlet, a fan and a burner; the heat absorbing device is used to recover waste heat at the baffle belt, and is symmetrically arranged on both sides of the baffle belt; the plate air inlet is used to recover waste heat on the surface of the rotary kiln, and can move to the highest temperature point on the surface of the rotary kiln; the heat absorbing device is connected to the fan through a fixed air duct, and the plate air inlet is connected to the fan through an adjustable air duct; the fan is connected to the burner; the heat absorbing device comprises a flow guide, a heat pipe flow guide and a baffle, the flow guide is used to guide the hot air in the tangential direction of the rotary kiln into the heat absorbing device, the heat pipe flow guide is used to absorb the radiant heat from the surface of the rotary kiln and heat the passing air, and the baffle is provided with barbs that can block the entry of low-temperature air. The present invention also discloses a method for recycling waste heat on the surface of a rotary kiln. The present invention has a simple structure, is easy to install and maintain, has a low cost, has a high waste heat utilization rate, and is suitable for popularization and application.

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 invention provides a method for preparing an Al-Al2O3-TPU (Thermoplastic Polyurethane) mixed corrosion-resistant coating through low-pressure cold spraying, which comprises the following steps: carrying out surface treatment on a base material, and sequentially grinding, polishing, cleaning, drying and sandblasting to obtain a base material to be sprayed; the preparation method comprises the following steps: mechanically mixing Al powder, Al2O3 ceramic particles and thermoplastic polyurethane (TPU) powder to obtain cold spraying prefabricated powder; and the cold spraying prefabricated powder is subjected to low-pressure cold spraying to a to-be-sprayed base material, after the coating is cooled and cured, polishing and correction are conducted, and the Al-Al2O3-TPU mixed corrosion-resistant coating is obtained. The prepared coating is good in compactness and uniformity, has good mechanical performance and corrosion resistance, can be applied to the ocean engineering environment and can resist seawater scouring and corrosion.

The utility model relates to a waste heat utilization technical field, concretely is a kind of gypsum board raw material calcination waste heat recovery device, including flue gas heat exchanger, lithium bromide refrigerating unit, cooling tower and air supply fan, lithium bromide refrigerating unit includes generator, condenser, absorber and evaporator;Flue gas heat exchanger is connected generator by first heat exchange circulation pipeline, generator is connected with condenser by first conveying pipeline, condenser is connected with evaporator by second conveying pipeline, evaporator is connected air supply fan by another refrigeration circulation pipeline, absorber is connected with generator by third conveying pipeline, generator is connected flue gas heat exchanger and forms heat exchange loop by another second heat exchange circulation pipeline, cooling tower is connected condenser and absorber respectively by first cooling circulation pipeline, second cooling circulation pipeline.By waste heat recovery to replace traditional electric refrigeration, reduce energy consumption, while reducing the heat pollution of high-temperature flue gas direct emission.

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 present invention relates to the technical field of heat recovery, and specifically discloses a compressor heat recovery system, including: a recovery rate determination module, used to determine the heat recovery rate based on the current operating condition parameters of the compressor; a consumption rate acquisition module, used to obtain the heat consumption rate of the current heat consumption device; a heat exchange strategy determination module, used to determine the optimal heat exchange strategy based on the heat recovery rate and the heat consumption rate and the preset heat exchange loss calculation method of each heat exchange method, wherein the optimal heat exchange strategy includes: heat exchange method and heat exchange area and fluid flow of heat exchange medium; to provide clear guidance for the actual operation and control of the system, ensuring efficient and stable operation of the system. It helps to reduce energy consumption, save costs, reduce thermal pollution to the environment, and achieve sustainable development.

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 invention provides a method for preparing a Ni-Al2O3-PEEK mixed corrosion-resistant coating through low-pressure cold spraying, and the method comprises the following steps: carrying out surface treatment on a base material, and sequentially carrying out grinding, polishing, cleaning, drying and sand blasting to obtain a base material to be sprayed; the preparation method comprises the following steps: mechanically mixing Ni powder, Al2O3 ceramic particles and polyether-ether-ketone (PEEK) powder to obtain cold spraying prefabricated powder; and the cold spraying prefabricated powder is subjected to low-pressure cold spraying to a to-be-sprayed base material, after the coating is cooled and cured, grinding and correction are conducted, and the Ni-Al2O3-PEEK mixed corrosion-resistant coating is obtained. The prepared coating is good in compactness and uniformity, has good mechanical performance and corrosion resistance, can be applied to the ocean engineering environment and can resist seawater scouring and corrosion.

The present invention discloses an integrated air conditioning and hot water system and a control method thereof, comprising a water circulation loop, a refrigerant circulation loop and a phase change thermal storage unit; a solar collector and a water tank are arranged on the water circulation loop, and the solar collector and the water tank are connected; a compressor and an indoor heat exchanger are arranged on the refrigerant circulation loop, and the compressor and the indoor heat exchanger are connected; two ends of one path of the phase change thermal storage unit are respectively connected to the indoor heat exchanger and the compressor, and the first end of the other path is connected to the pipeline between the outlet of the solar collector and the water tank, and the second end is connected to the pipeline between the inlet of the solar collector and the water tank. The phase change thermal storage technology, solar energy technology and air source heat pump technology are combined. When the solar energy is sufficient, the phase change thermal storage technology is used to store the heat of the solar energy and the condensation heat of the compressor in the phase change thermal storage unit. When the solar energy is insufficient, the heat is extracted from the phase change thermal storage unit for heating and / or hot water, thereby realizing the transfer of heat in time and space.

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 utility model relates to the technical field of phosphoric acid production equipment, in particular to a device for evaporating liquid ammonia through steam condensate, which comprises an ammonia evaporator, a hot water tank connected to the upper part of one end of the ammonia evaporator through a pipeline, a hot water inlet pipe connected to the top of the hot water tank, and a cold water tank connected to the bottom of one end of the ammonia evaporator through a pipeline. One side of the cold water tank is connected with a cold water outlet pipe which is provided with a cold water pump. According to the device for evaporating the liquid ammonia through the steam condensate water, the liquid ammonia is evaporated through the heat energy of the high-temperature condensate water generated in the dihydrate wet-process phosphoric acid production, so that the steam consumption is greatly reduced, the energy consumption and the cost are reduced, and meanwhile, the heat pollution to the environment is also reduced. In addition, the heat exchange process is optimized through the design of the device, efficient heat energy transfer and utilization are achieved through the structures such as the U-shaped shell-and-tube heat exchanger, and the energy use efficiency is further improved.

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.