15results about How to "Improve waste heat utilization efficiency" patented technology

The utility model provides a system for regulating and controlling the quality of circulating flue gas. The system comprises a sintering machine, a vertical cooling device and an oxygenating device, and a first flue and a second flue are arranged below the sintering machine. The head air bellow and the middle air bellow are communicated with the bottom of the vertical cooling device through the first flue, and the oxygenating device is communicated with the first flue or the bottom of the vertical cooling device. And the tail air box is communicated with the second flue. According to the system for regulating and controlling the quality of the circulating flue gas, the sintering flue gas of the head air bellow and the middle air bellow is coupled with the oxygen-enriched gas, brand new gas components are provided for pre-cooling of sintered ore, quenching of the sintered ore is avoided, and the quality of the sintered ore is guaranteed. Meanwhile, low-temperature sintering flue gas is converted into high-quality flue gas, the high-quality flue gas circularly enters a sintering material layer or a waste heat recovery system, sensible heat of sintering ore and latent heat of the low-temperature sintering flue gas are fully utilized, and the waste heat utilization efficiency is improved.

The utility model discloses an energy recovery system in a non-continuous high-temperature liquid slag cooling process. The energy recovery system comprises a continuous feeding track, a liquid slag pot, tunnel radiation heat exchange equipment and a controller, the tunnel radiation heat exchange equipment comprises a shell of a tunnel structure, a membrane type water cooling wall arranged on the inner wall face of the shell and a steam pocket arranged on the outer side of the shell, an upper outlet of the membrane type water cooling wall is connected with an inlet of the steam pocket, and a lower outlet of the steam pocket is connected with a lower inlet of the membrane type water cooling wall through a downcomer. The continuous feeding track comprises a main track and a plurality of branch tracks, a discharge port of each electric arc furnace is correspondingly provided with one branch track, and the tail ends of the branch tracks are converged to the front end of the main track; the main track penetrates through a shell inlet and outlet of the tunnel structure. And the controller is electrically connected with the continuous feeding track. The device can recover heat in the cooling process of the high-temperature liquid slag, is high in energy utilization rate and safety, is a continuous production process, and is stable and reliable.

The present application belongs to the technical field of thermal management, and discloses a thermal management system, a control method, an electronic device, a medium and a vehicle. The thermal management system comprises a battery circuit, an electric drive circuit and a heat pump circuit. The electric drive circuit is coupled to the battery circuit, and the heat pump circuit is coupled to the electric drive circuit and the battery circuit. The control method of the thermal management system is used for controlling the above thermal management system. The electronic device can execute the above control method. The medium stores a program that can execute the above control method. The vehicle comprises the above thermal management system. In the thermal management system of the embodiment, the heat generated by the electric drive assembly and the battery during operation can be fully utilized.

The utility model relates to the technical field of waste heat recovery and utilization, and discloses a multistage heat energy utilization device for waste heat recovery, which comprises a workbench, the front side of the top end of the workbench is fixedly connected with a supporting plate, the top end of the supporting plate is fixedly connected with an air suction machine, and the top end of the air suction machine is communicated with an air inlet pipe. The rear side of the bottom end of the air suction machine communicates with a connecting pipe, the other end of the connecting pipe communicates with a containing box, the left side of the containing box communicates with a second heat pump, the top end of the containing box is fixedly connected with a second displayer, and the bottom end of the inner side of the second displayer is fixedly connected with a second temperature measuring rod. According to the waste heat utilization device, through mutual cooperation of the supporting plate, the air suction machine, the air inlet pipe, the connecting pipe, the second heat pump, the containing box, the second temperature measuring rod, the second displayer, the third electromagnetic valve and the second air outlet pipe, heat energy provided by low-grade waste heat is utilized, the heat energy can be used by the technology with the higher temperature requirement, and the waste heat utilization efficiency is improved.

The invention discloses a coke oven gas waste heat utilization system and a waste heat utilization method. The coke oven gas waste heat utilization system comprises a circulating ammonia water pump, one side of the circulating ammonia water pump is connected with a refrigerating unit, the refrigerating unit is connected with a bridge pipe and an ascending pipe through pipelines, one side of the bridge pipe is connected with a gas collecting pipe, and the gas collecting pipe is connected with a gas-liquid separator. The device has the beneficial effects that the technology of preparing low-temperature water by taking the residual ammonia water as a heat source after heat exchange between the residual ammonia water and the coke oven gas and the double-effect heat pump technology of taking heat source water after indirect heat exchange between the double-effect heat pump unit and the coal gas at the upper section of the primary cooler as a heat source are utilized, so that the coke oven gas waste heat utilization efficiency is improved, and coal gas purification and deep processing utilization are facilitated.

The invention relates to the technical field of flue gas waste heat recovery, and provides an aluminum-silicon flue gas waste heat cooperative power generation system and an energy saving method.The system comprises a gas-water heat exchanger, a hot water pump, a waste heat boiler, a steam turbine, a power generator, a condenser, a circulating water pump, an aluminum electrolysis cell group, an ore-smelting electric furnace group, a dust removal system and a flue gas purification system; the aluminum electrolysis cell group is connected with the gas-water heat exchanger; hot water subjected to heat exchange of the gas-water heat exchanger is pumped into a deaerator through a hot water pump to be deoxidized and then enters a waste heat boiler, high-temperature flue gas of the ore-smelting electric furnace group is introduced into the waste heat boiler to heat the hot water, and then the hot water is discharged after being treated by a dust removal system; high-temperature steam generated by the waste heat boiler enters the steam turbine, and the steam turbine is matched with the power generator to generate power; after being condensed by the condenser, steam discharged by the steam turbine enters the gas-water heat exchanger through the circulating water pump for water replenishing and heat exchange. The system saves energy and reduces consumption, waste heat waste is reduced, greenhouse gas emission is reduced, and the requirement for green and low-carbon production is met.

The present application relates to the technical field of mine exhaust heat utilization, and particularly relates to a mine exhaust heat deep utilization device and method. The present application collects mine exhaust heat by means of working medium in the exhaust heat collection module containing baffle, and transmits the working medium to the preheating module containing heating module to preheat the new air into the well, collects the working medium temperature, exhaust temperature and air pressure differential pressure of the inlet and outlet of the exhaust heat collection module and preheating module through the exhaust heat utilization control system, analyzes and obtains the effective utilization parameters of exhaust heat, adjusts the water pump power and fan power, and monitors the working medium temperature of the inlet of the preheating module to control the start and stop of the heating module. The present application dynamically adjusts the water pump power and fan power by analyzing the relative temperature change of the working medium and gas in the device, combining the temperature difference between the working medium, fully utilizes the mine exhaust heat, and monitors the working medium temperature to control the added heating module to prevent the freezing of the ventilation system.

The present invention belongs to the technical field of waste heat utilization of stoves, and specifically relates to a large pot stove for cooking. The present invention includes a frame and a furnace; the furnace includes a furnace wall and a furnace bottom; an outer shell whose shape is adapted to the shape of the furnace is provided outside the furnace, and there is an insulation space between the outer shell and the furnace for accommodating insulation materials; the large pot stove for cooking also includes a heat reflection plate, the heat reflection plate includes a cone plate with a trumpet-shaped shape with a larger diameter at the top and a smaller diameter at the bottom, the small-diameter end of the cone plate constitutes a matching end for the burner to extend into, and the large-diameter end of the cone plate is placed on the inner wall of the furnace wall from top to bottom, thereby dividing the furnace into an upper cavity and a lower cavity; a smoke inlet is opened through the surface of the cone plate, and a smoke exhaust pipe connected to the smoke inlet sequentially passes through the furnace and the outer shell. The present invention can effectively improve the combustion thermal efficiency of the stove, and greatly extend the actual service life of the furnace, and simultaneously has the characteristics of energy saving, long life and easy repair and maintenance.

The invention provides an ecological industrial park solid waste collaborative resource treatment system, and relates to the technical field of solid waste treatment, the ecological industrial park solid waste collaborative resource treatment system comprises a cross-subject collaborative architecture, an intelligent scheduling module and a full-chain resource path unit, the cross-subject collaborative architecture is a three-level architecture of center overall planning, node execution and cross-region linkage, comprising a park-level collaborative center, a plurality of enterprise end processing nodes and a cross-park linkage interface. According to the invention, by constructing a three-level cross-subject collaborative architecture of the park-level collaborative center, the enterprise-side disposal node and the cross-park linkage interface, the administrative and technical barriers between the park and the enterprises are broken, and scattered enterprise solid waste disposal demands and disposal capabilities are integrated into a uniform resource pool; accurate allocation and complementary utilization of solid waste in different enterprises and different parks are achieved, the problem that solid waste accumulation of a single enterprise is difficult to treat is solved, and resource waste caused by repeated construction of disposal facilities of multiple enterprises is avoided.

The utility model discloses a flue type waste heat recycling device, which belongs to the field of waste heat recovery and comprises a flue connecting pipe, a switch component arranged at the right end of the flue connecting pipe, a dust backflow prevention component arranged at the right end of the switch component, and a filter component arranged at the right end of the dust backflow prevention component. According to the technical scheme, the heat storage device is characterized in that reverse protruding blocks which are distributed in a staggered mode are arranged in a conveying pipe, dust backflow is effectively prevented, the situation that dust flows back to block a flue connecting pipe is avoided, a large-hole filtering plate and a small-hole filtering plate are sequentially arranged in the filtering assembly in a matched mode, and the heat storage assemblies are arranged at the outer end of the filtering assembly in a matched mode. The waste heat is filtered in a classified mode; meanwhile, the contact area with the waste heat is increased through spiral heat conduction pieces in the heat storage assembly, meanwhile, a circulation loop is formed through a backflow pipe, the waste heat circulates in the device, the heat storage assembly can be independently taken down to be used at other places, and waste heat recycling is effectively achieved.

This invention relates to the field of thermal energy storage technology, and more particularly to a dynamic thermal energy storage and heating regulation system and method based on energy efficiency optimization. This invention collaboratively models multiple parameters such as server load rate, cooling water return temperature, and heating-side supply and return water temperatures to convert instantaneous surplus heat into dispatchable thermal storage. By releasing the stored heat and adjusting the proportion of auxiliary heat sources, the temperature difference between the heating-side supply and return water is stabilized within the target range, avoiding room temperature deviations and energy efficiency deterioration caused by heat source fluctuations. Simultaneously, closed-loop corrections of the charging and releasing heat power, heating demand range, and index weights allow the system to gradually approach the balance point of minimum energy consumption and optimal thermal comfort during long-term operation. This significantly improves waste heat utilization and reduces unit heating energy consumption while ensuring the thermal comfort of the building complex, effectively solving the problems of insufficient heating stability and low waste heat utilization efficiency caused by asynchronous heating regulation and waste heat recovery responses.

The utility model discloses sludge low-temperature drying and dewatering coupling equipment based on heat pump waste heat recovery, which belongs to the technical field of sludge drying treatment and comprises a drying box, a coupling box is fixedly connected to one side of the drying box, a partition plate is mounted in the middle of the inner wall of the coupling box, and a gas-liquid separator is fixedly connected to the top of the partition plate. Four heat conduction pipes are installed on one side of the gas-liquid separator, and a heat pump body is fixedly installed at the position, located at the bottom of the partition plate, of the coupling box. According to the sludge low-temperature drying and dewatering coupling equipment based on heat pump waste heat recovery, a first air pump, a heat pump body, a heat conduction pipe and an air outlet seat are arranged, and air enters a gas-liquid separator through an air inlet seat and an air guide pipe, so that the air can penetrate through the heat conduction pipe at the top of the gas-liquid separator; and residual heat in the gas is transferred into the drying box through the heat conduction pipe to be recycled, so that the heat is recycled, and the waste heat utilization efficiency of the equipment is improved.

The utility model discloses a pressure stabilizing screw air compressor and a waste heat recovery device thereof. The pressure stabilizing screw air compressor comprises an air filter, an air inlet control valve, a motor, a screw air compressor, an oil-gas separator, a pressure stabilizing device, a gas waste heat recovery device, a liquid waste heat recovery device and a user side device. Therefore, the pressure stabilizing device is arranged to control the air quantity input into the screw air compressor, so that the air quantity achieves a stable effect, the problem that the abrasion loss of parts of an air compressor unit is increased due to frequent load increase and decrease caused by unstable air quantity is solved, and the service life of the air compressor is prolonged. In addition, by arranging a gas and liquid waste heat recovery device, heat of high-temperature gas and heat of high-temperature liquid are recycled, and therefore the recovery efficiency is improved.

The utility model provides a roasting pyrolysis device and a phosphorus-containing pellet production system comprising the same. The device comprises a drying section, a roasting section, a cooling section and a pyrolysis chamber, the system comprises a phosphorite crushing and grinding mechanism, a mixing and pelletizing mechanism and the roasting and pyrolyzing device. The device and the system disclosed by the utility model can realize efficient removal of carbonate in a phosphorite raw material at low cost without influencing normal production and processing of pellets, but can effectively reduce the pulverization rate of artificial pellets, improve the yield and the strength of the pellets, obviously reduce or even completely prevent fine powder from entering an electric furnace, and improve the production efficiency of the pellets. And the stability of yellow phosphorus production is further improved and guaranteed. In addition, the device also has the advantages of no extra energy consumption, simple structure, low occupied area, convenience in maintenance and operation and the like.

The application provides a control system and control method for whole vehicle thermal management of a new energy bus, and relates to the technical field of new energy bus thermal management. The system comprises a motor electric control cooling unit, a battery water cooling and water heating unit, a passenger cabin electric water heating unit, a passenger cabin electric cooling and heating air conditioning unit and an energy management unit. The energy management unit comprises a fluid pipeline, a valve assembly and a controller. The fluid pipeline is in communication with the motor electric control cooling unit, the battery water cooling and water heating unit, the passenger cabin electric water heating unit and the passenger cabin electric cooling and heating air conditioning unit. The valve assembly is arranged on the fluid pipeline. The controller is used for receiving running state parameters and temperature parameters uploaded by each unit, and outputting a control signal according to the obtained parameters to control the valve assembly to switch the communication state of the fluid pipeline, realize heat transfer or isolation between each unit and achieve the purpose of energy saving.