143 results about "Thermal pollution" patented technology

The utility model discloses a heat pump driven renewable drying bed dehumidification dew point evaporative cooling air conditioning system which comprises a heat pump subsystem, a drying bed dehumidification subsystem, a tubular dew point evaporative cooling subsystem, an adsorption air pipeline subsystem and a regeneration air pipeline subsystem. The drying bed dehumidification subsystem bears the latent heat load of the air conditioning system, and the tubular dew point evaporative cooling subsystem bears the sensible heat load of the air conditioning system. The heat pump is used for regenerating saturated solid drying agent particles in the drying beds, one drying bed is applied to the adsorption process, the other drying bed is applied to the regeneration process, the dehumidification capacity of the drying beds is guaranteed, meanwhile, efficient dehumidification is achieved, the tubular dew point evaporation cooling subsystem is used for cooling, heat pollution is reduced, emission is reduced, and the energy-saving and environment-friendly effects are achieved. And the requirement of people on indoor temperature is met.

The utility model discloses a cooling water waste heat recovery system for cultivation, and relates to the technical field of cooling water waste heat recovery, the cooling water waste heat recovery system for cultivation comprises a temperature adjusting device and a first pipeline, the temperature adjusting device is provided with a first water flow channel, an outlet of the first water flow channel is used for being communicated with a cultivation pool, and the first pipeline is provided with a second water flow channel. The temperature adjusting device is used for heating water flowing into the first water flow channel, an inlet of the first pipeline is used for being communicated with a circulating cooling water outlet of a thermal power plant, and an outlet of the first pipeline is selectively communicated with the inlet of the first water flow channel and one of the breeding ponds. According to the cooling water waste heat recovery system for breeding, the waste heat of the circulating cooling water is used for fishery breeding, recycling of the waste heat of the circulating cooling water can be achieved, energy is saved, huge economic benefits can be generated, meanwhile, a natural water area can be prevented from being affected by heat pollution, and the environment is protected.

The invention provides an industrial park centralized heat supply method and system based on waste heat recovery, and the system comprises a waste heat collection module, a heat storage module, a heat supply pipe network and an intelligent dispatching center, a heat source outlet of the waste heat collecting module is connected with a heat source inlet of the heat storage module and a heat source inlet of the heat supply pipe network. A heat source outlet of the heat storage module is connected with a heat source inlet of the heat supply network; the intelligent dispatching center is connected with the waste heat collection module, the heat storage module and the heat supply pipe network. According to the invention, a cheap clean heat source is provided for an industrial park, the regional heat supply cost is greatly reduced, environmental thermal pollution and carbon emission are reduced by effectively utilizing waste heat, double improvement of economic benefits and environmental benefits is realized, and an effective technical path is provided for industrial green low-carbon development.

The invention provides an energy duct piece prefabrication production process, and belongs to the technical field of shield engineering construction in urban rail transit. In order to solve the problems that a heat source generated in the subway operation stage easily causes underground space thermal pollution, traditional ventilation and heat extraction waste energy, and a traditional ground heat exchanger is large in construction difficulty and high in manufacturing cost, the technology comprises the steps that a capillary network heat exchanger is pre-buried in a prefabricated tube piece; the waste heat in the tunnel is conducted to the building on the ground for heating through material field storage, capillary network heat exchanger installation, duct piece pouring maintenance, leak detection test, duct piece splicing, energy duct piece and main pipe connection and a heat pump unit. Efficient energy utilization, energy conservation and emission reduction are achieved, construction operation is simple, duct piece forming quality is stable, underground heat pollution can be solved, heat balance of the tunnel environment and urban underground space is improved, and operation and maintenance cost is reduced.

The utility model provides an air-conditioning system, which comprises a circulation assembly, an air-conditioning assembly and a control assembly, the circulation assembly comprises a circulation pipeline, a compressor, an indoor heat exchanger and an outdoor heat exchanger, and the compressor, the indoor heat exchanger and the outdoor heat exchanger are all arranged on the circulation pipeline; the heat recovery assembly comprises a connecting pipeline and a heat supply heat exchanger, an inlet of the connecting pipeline communicates with an outlet of the compressor, an outlet of the connecting pipeline selectively communicates with the indoor heat exchanger or the outdoor heat exchanger, and the heat supply heat exchanger is arranged on the connecting pipeline and used for supplying heat to external equipment. According to the technical scheme, the problems that in the prior art, heat of an outdoor condenser cannot be effectively utilized, and environmental thermal pollution is aggravated can be solved.

The secondary recovery treatment system comprises a drying cabinet and a heat recovery box, three drying cavities are formed in the drying cabinet, electric heating plates are fixedly installed on the two sides of the inner cavities of the three drying cavities, first rotating rollers are rotationally installed on the tops of one sides of the inner cavities of the three drying cavities, and second rotating rollers are rotationally installed on the tops of one sides of the inner cavities of the three drying cavities; rotating rollers II are rotationally mounted at the bottoms of one sides of the inner cavities of the three drying cavities; water vapor dried by the non-woven fabric belt can be conveyed into the heat recovery box through the ventilation cavity, then conveyed into the first gas gathering cover through the communicating pipe and then conveyed into the multiple gas conveying pipes, heat can be conveyed to clean water in the heat recovery box in a heat conduction mode through the gas conveying pipes, and therefore the clean water is heated; therefore, the heat is recycled, the energy utilization efficiency is improved, the production cost is reduced, the environmental protection requirement is met, and the energy waste and the thermal pollution to the environment are reduced.

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 invention relates to a medium-temperature tail gas waste heat recovery system and process for a diesel generating set. The problems of tail gas expansion noise and tail gas thermal pollution are solved. The system comprises a diesel generating set (4), a high-temperature fan (5), a waste heat boiler (21), a deaerator (8), a middle water tank (12), a condensing steam turbine (15), a condenser (17) and a cooling tower (19), the diesel generating set (4) formed by connecting diesel generators (2) in parallel is communicated with the waste heat boiler (21), the waste heat boiler (21) is provided with a tail gas discharge port (6) and is communicated with the condensing steam turbine (15), and the condensing steam turbine (15) is provided with a tail gas discharge port (6). The condensing steam turbine (15) drives the generator (16) to do work and generate electricity, the condensing steam turbine (15) is communicated with the condenser (17), the condenser (17) is communicated with the cooling tower (19), circulating water (18) circulates between the condenser (17) and the cooling tower (19), the condenser (17) is simultaneously communicated with the middle water tank (12), the middle water tank (12) is further respectively communicated with the cooling tower (19) and the deaerator (8), and the deaerator (8) is communicated with the waste heat boiler (21). According to the invention, the construction cost is low while the reliability is realized.

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 the technical field of physical energy storage, in particular to a water and electricity cogeneration system and method for improving compression energy storage gas-liquid conversion efficiency, and can solve the problem of energy loss caused by a large amount of heat absorption and release in the liquefaction process and gasification process of a carbon dioxide energy storage system under conventional conditions to a certain extent. The system is composed of a carbon dioxide loop, a heat storage loop and a seawater desalination loop, compressed carbon dioxide energy storage and a hot-method seawater desalination structure can be ingeniously combined, heat released in the liquefaction process is used for heating seawater, heat of high-temperature saline water is used for achieving carbon dioxide gasification, the efficiency of an energy storage system is improved, and energy consumption and heat pollution of the seawater desalination system are reduced. Peak clipping and valley filling of power loads can be achieved, consumption of renewable energy sources is promoted, and the method is of great significance to energy conservation, emission reduction and energy transformation.

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 present application relates to gas water heater equipment technical field, more specifically, it relates to a kind of smoke guide device and the gas water heater of the device, including smoke collecting cover, smoke exhaust fan, flue gas treatment mechanism and flow guide heat exchange mechanism;The smoke collecting cover below is equipped with smoke collecting port, and flow guide heat exchange mechanism is connected in smoke collecting port;The smoke collecting cover top is equipped with smoke guide port, and the smoke guide port is connected with the smoke inlet of smoke exhaust fan, and the smoke outlet of smoke exhaust fan is connected with flue gas treatment mechanism.In the inside of smoke guide device, flow guide heat exchange mechanism for guiding and sending flue gas and carrying out heat exchange can improve the flue gas collection effect, while recycling the heat energy in flue gas, improve the energy utilization rate, and reduce the heat pollution generated by directly discharging flue gas;Flue gas treatment mechanism is also arranged in the inside of smoke guide device, carbon dioxide in flue gas can be filtered out by carbon dioxide filter in the inside of flue gas treatment mechanism, reduce the influence caused by discharging flue gas on atmospheric environment.

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.

According to the industrial park multi-industry waste heat collaborative gradient utilization heat supply system and method, a chemical enterprise steam waste heat exchanger is connected with a regional heat supply pipe network and used for collecting chemical enterprise steam waste heat to supply heat to the regional heat supply pipe network; the machining waste water waste heat return device is connected with a regional heat supply pipe network through a heat pump unit and used for collecting machining waste water waste heat to supply heat to the regional heat supply pipe network. A heat source inlet of the waste heat buffer tank is connected with a chemical enterprise steam waste heat exchanger and a machining wastewater waste heat return device, and a heat source outlet of the waste heat buffer tank is connected with a regional heat supply pipe network for heat supply; a heat source outlet of the chemical enterprise steam waste heat exchanger is connected with the heat pump unit; through unified allocation of the regional heat supply pipe network, the dependence on external fresh energy and the heat supply cost of the industrial park are remarkably reduced, and meanwhile heat pollution caused by waste heat emission is reduced.

The invention relates to the technical field of energy recovery of coking plants, in particular to a coking plant condensation water heat recovery system and method. Comprising a condensed water feeding pipeline, an evaporator, a working medium storage tank, a heat engine, a condenser and a condensed water collector, the condensation water feeding pipeline is connected with a first inlet of the evaporator, a first outlet of the evaporator is connected with an inlet pipeline of the condensation water collector, and the condensation water collector is of a closed structure. An outlet of the working medium storage tank is connected with a second inlet pipeline of the evaporator, a second outlet of the evaporator is connected with an inlet pipeline of the heat engine, an outlet of the heat engine is connected with a first inlet pipeline of the condenser, and a first outlet of the condenser is connected with an inlet pipeline of the working medium storage tank. Heat contained in the high-temperature condensed water is efficiently recycled, the problem of evaporation loss of the condensed water in the evaporation process is fundamentally avoided, the manufacturing cost of heat utilization equipment is saved, and heat pollution is avoided.

The utility model discloses a powder drying device for LATP electrolyte preparation, and relates to the technical field of drying equipment. An air inlet drying mechanism is arranged on the outer side of the drying cylinder, the drying cylinder is connected with a separation cylinder through a middle pipe, storage mechanisms are arranged at the lower ends of the separation cylinder and the drying cylinder, and heat transfer mechanisms are arranged between the storage mechanisms and the air inlet drying mechanism. The temporary storage pipe is used for temporarily storing the powder, the storage outer cylinder can be detached, the electrolyte powder can be taken out, according to the scheme, after the electrolyte powder is taken out, the electrolyte powder can be cleaned without shutdown, and therefore the working efficiency of equipment is guaranteed; through the arrangement of the heat transfer mechanism, the high-temperature powder passing through the temporary storage pipe is cooled, the problem that the ambient air humidity is high due to the fact that the temperature is high after the high-temperature powder is taken out is effectively avoided, meanwhile, recycled heat is used for preheating air about to enter the heater, energy consumption is greatly reduced, meanwhile, heat pollution is reduced, and the service life is prolonged. The requirements of green production are met.

The present invention discloses a lithium mica clinker waste heat recovery and utilization system, which includes a two-stage heat exchange and conveying device; each heat exchange and conveying device includes a kiln shell and a heat exchange pipe arranged outside the kiln shell, the inside of the kiln shell is used to transport lithium mica clinker, and the two ends of the kiln shell have a feed port and a discharge port; the discharge port of the previous stage heat exchange and conveying device is connected to the feed port of the next stage heat exchange and conveying device; the lithium mica clinker waste heat recovery and utilization system also includes an airflow generating circuit, and the airflow generating circuit is connected to the inside of the kiln shell. The present invention radiates heat outward through the wall surface of the kiln shell, and the heat is absorbed by the medium of the heat exchange pipe and recycled; during the cooling process, the airflow generating circuit forms an airflow inside the kiln shell, so that the air temperature inside the kiln shell is more uniform, thereby improving the heat exchange efficiency. In addition, the lithium mica clinker transported from the second-stage heat exchange and conveying device is cooled, which is suitable for subsequent production and processing. Compared with water spray cooling, it reduces the thermal pollution caused to the environment.

The invention provides an ecological environment monitoring system and method, and the method comprises the steps: building a three-dimensional digital twinborn model of a designated city in a target region, and enabling the three-dimensional digital twinborn model to comprise thermal environment dynamic data of different environment nodes; determining spatial structure characteristics of different environment nodes, and constructing a spatial communication relationship through the spatial structure characteristics; determining diffusion intensity indexes of each environment node in different thermal diffusion ranges, and further determining the heat island effect intensity of each environment node by combining all the diffusion intensity indexes with the spatial communication relationship; based on the heat island effect intensity, evaluating the influence of the heat island effect intensity on a pollution diffusion field, and obtaining the heat influence pollution diffusion risk of each environment node in different heat diffusion ranges; and generating a multi-scale thermal pollution report of the target area through all the thermal influence pollution diffusion risks. By adopting the scheme of the invention, multi-scale monitoring can be carried out on urban thermal pollution based on a space-time cooperation mechanism of digital twinning.

The application discloses a solar energy conversion system and an operation method thereof, and belongs to the technical field of renewable energy utilization. The system comprises a hydrogen and oxygen preparation and storage unit, a combustion and power generation unit and a flue gas treatment unit. A solar light condensation high-temperature heat collector supplies heat for a hydrogen preparation device to decompose water to prepare hydrogen and oxygen, the hydrogen and oxygen are stored after being cooled and compressed, and are sent into a combustion chamber to be mixed with circulating carbon dioxide to realize oxygen-rich combustion, supercritical carbon dioxide-water vapor flue gas is generated to drive a gas turbine to generate power, the flue gas is subjected to waste heat recovery and condensation separation, water is returned to the hydrogen preparation in a closed loop, and the pressurized carbon dioxide is branched to control the temperature of the combustion chamber and the gas turbine, so that full circulation of the working medium and cascade heat exchange are realized. The solar hydrogen preparation and supercritical carbon dioxide circulation are deeply integrated, energy utilization rate is high, and operation is stable. The application can solve problems of intermittency of solar energy, low efficiency of a traditional system, large thermal pollution and the like, is energy-saving and environment-friendly, and is good in economy.

The present invention relates to the technical field of distillation and recovery, and discloses a separation device for recovering bio-aviation kerosene, including a support assembly, which includes a horizontal plate, a vertical plate, and a bottom plate. The vertical plate is fixed to the bottom of the horizontal plate, and the bottom plate is fixed to the bottom of the vertical plate; a heating assembly, which is fixed to the support assembly and includes a box body, a heat insulation plate, a fixing plate, a heating box, and a heating plate. Through this solution of the present invention, the waste heat generated during the distillation process can be recovered. As the key parts of the energy recovery system, the condensation assembly and the heat exchange assembly can achieve the transfer of heat from the high-temperature gas to the low-temperature bio-aviation kerosene raw material or other links that need heating. This reuse of heat can significantly reduce the input of external energy, thereby improving the energy utilization efficiency of the entire device, reducing production costs, and also helping to reduce thermal pollution to the environment, promoting the bio-aviation kerosene industry to develop in a more green and sustainable direction.

The utility model relates to the technical field of silicon furnace tail gas treatment, and discloses a silicon furnace tail gas treatment device which comprises a water storage tank body, a first filtering tank body and a second filtering tank body, a conveying pipe is arranged in the water storage tank body in a penetrating mode, one end of the conveying pipe is communicated with a tail gas connector, and the other end of the conveying pipe is communicated with the first filtering tank body. A first filter screen and a second filter screen are sequentially arranged in the first filter box body, and a beating mechanism is arranged between the first filter screen and the second filter screen. By arranging the water storage tank body and connecting the conveying pipe into the water storage tank body, heat in the tail gas of the silicon furnace can be recovered, water in the water storage tank body can be heated, heat energy recovery is realized, and heat pollution can be prevented while resource waste is prevented; the first filter screen and the second filter screen are arranged in the first filter box body, and meanwhile, the beating mechanism is arranged between the first filter screen and the second filter screen, so that the first filter screen and the second filter screen can be prevented from being blocked when the silicon furnace tail gas is filtered through the first filter screen and the second filter screen.

The utility model discloses a gas-fired boiler exhaust smoke waste heat recycling device in the field of recycling devices, which comprises a heat conduction cylinder, second baffle rings are fixedly mounted at two ends of the outer side of the outer ring surface of the heat conduction cylinder, and a fixed cylinder is fixedly mounted between the edge parts of the opposite surfaces of the second baffle rings; a spiral partition plate wound on the outer side of the heat conduction barrel is jointly installed between the inner ring face of the fixing barrel and the outer ring face of the heat conduction barrel, and a water inlet pipe communicated with the interior of the fixing barrel is fixedly installed in the middle of one end of the upper side of the outer ring face of the fixing barrel. The waste of heat energy caused by heat carried in the discharged flue gas can be avoided, heat pollution to the surrounding environment caused by heat carried by the discharged flue gas can be conveniently prevented, and the use of the gas-fired boiler is facilitated.

The invention discloses an annular calcium carbide granulation and waste heat recovery device, and relates to the technical field of calcium carbide forming and waste heat recovery, the annular calcium carbide granulation and waste heat recovery device comprises a rack, a track is arranged on the rack, a calcium carbide forming mold is arranged on the rack, a notch is formed in the rack and is a discharging port, and a discharging track and a conveying device are arranged at the discharging port; the calcium carbide forming die is formed by combining a plurality of die units, an air inlet and an air outlet are formed in the two ends of the machine shell, and a radiant heat pipe is arranged on the top of the machine shell. The calcium carbide forming die is reasonable in design, simple in principle, capable of rapidly cooling, forming and granulating calcium carbide, free of a crushing link, capable of improving production efficiency and saving production cost, capable of efficiently recycling waste heat, energy-saving and environment-friendly; the requirements of energy conservation and emission reduction are met, thermal pollution of workshops is solved, the working environment is improved, and the health of workers is guaranteed; meanwhile, the occupied area is small, the site cost and management difficulty can be effectively reduced, the transportation risk is also reduced, the production safety is greatly improved, and a brand new solution is brought to calcium carbide production.

The utility model discloses an inverter and an energy recovery device thereof. The energy recovery device comprises a first energy recovery module and an energy storage module. The first energy recovery module comprises a thermoelectric power generation module and an energy recovery unit, the thermoelectric power generation module is adjacent to the inversion unit and connected with the energy recovery unit, and the energy recovery unit is connected with the energy storage module; the thermoelectric power generation module is used for outputting recovery current to the energy recovery unit when the inversion unit generates the temperature difference, and the energy recovery unit processes the recovery current and then charges the energy storage module. According to the technical scheme, a new energy recovery mode is provided for the inverter, the temperature difference generated in the working process of the inverter unit is effectively utilized and converted into electric energy, energy waste is reduced, energy is recovered and stored, the overall energy efficiency of the system is improved, the operation cost is reduced, meanwhile, waste heat emission is reduced, thermal pollution to the environment is reduced, and the energy-saving effect is achieved. And the method has obvious environmental protection benefits.

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.

A feeding device for a three-dimensional drying and curing oven relates to the technical field of curing ovens and comprises a drying and curing oven body, a conveyor is mounted at the front end of a feeding port of the drying and curing oven body, and a fixing support is arranged at the position, corresponding to an oven door, of the front end of the drying and curing oven body. A material pushing air cylinder set and a material blocking air cylinder component are installed on the fixing support, and a furnace door mechanism is installed at the position, corresponding to a furnace door opening, of the front end of a feeding opening of the drying and curing furnace body. The problems of energy waste and thermal pollution in the feeding process of an existing heating and drying furnace can be effectively solved, the production efficiency can be improved by stabilizing the temperature environment in the furnace, then the product quality is improved, the requirement for the production takt is met, and finally the production cost of a curing furnace user is effectively reduced.

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 utility model discloses a coal mine gas extraction comprehensive utilization system which comprises a gas generator set, a heat storage oxidation device, a waste heat boiler, a steam header, a quick-closing valve, a regulating valve, a screw expander, a generator, a condenser, a vacuum pump, a condensate pump, a circulating water pump, a cooling tower, a water supply tank and a water supply pump. Coal mine high-negative-pressure extraction gas generates electricity through a gas generator set, high-temperature tail gas enters a waste heat boiler to generate low-pressure steam as a byproduct, coal mine low-negative-pressure extraction gas is treated through a heat storage oxidation device, the high-temperature tail gas enters the waste heat boiler to generate low-pressure steam as a byproduct, and two paths of low-pressure steam are converged into a steam header and connected into a power generation system through a pipeline to generate electricity. According to the system, the problems of energy waste and thermal pollution caused by high-temperature tail gas emission of a traditional gas generator set are well solved; the problems of energy waste and environmental pollution caused by direct emission of traditional coal mine low-negative-pressure extracted gas are solved; the comprehensive utilization rate of enterprise energy is improved, and the coal mining production cost and the production self power consumption are reduced.