50results about How to "Fully recycle" patented technology

The invention discloses a Carnot battery system based on phase change cold storage and energy storage and a multi-mode operation method thereof, the Carnot battery system comprises a vapor compression refrigeration unit, a phase change cold storage device and a power cycle unit, in a charging stage, the vapor compression refrigeration unit is adopted to generate cold energy by using off-peak power; in the energy storage stage, cold energy prepared by the steam compression refrigeration unit is stored in a high-density mode through the phase change cold storage device; in the discharging stage, the stored cold energy serves as a cold source, external low-temperature waste heat serves as a heat source, a power circulation unit is adopted, meanwhile, the cold energy and the hot energy are utilized for heat-work conversion, and electric energy is released; according to the Carnot battery system provided by the invention, the round-trip efficiency and the energy storage density of an energy storage system can be improved, the energy storage cost is reduced, and large-scale long-time energy storage is facilitated; according to the multi-mode operation method provided by the invention, through dispatching application of the phase change cold storage device and the charge-discharge cycle, different types of low-temperature heat sources can be fully utilized, and the cold electricity energy consumption requirement of a user side is met.

The invention discloses a whole-vehicle thermal management system of a pure electric vehicle based on a shell-and-tube phase change heat accumulator and a control method of the whole-vehicle thermal management system. The whole-vehicle thermal management system comprises a control module, a heat pump air conditioning system, an electric heating and phase change heat storage system, a battery thermal management system and an electric drive cooling system. The control module controls the rotating speed of the compressor and the opening degree of the electronic expansion valve and adjusts refrigerant flow. The control module controls the rotating speed of each water pump and adjusts the cooling liquid flow; the control module controls the fan and the air blower to adjust the air flow, controls the on-off states of the four-way valves, the three-way valves and the one-way valves and adjusts circulation loops of refrigerants and cooling liquid, and therefore energy coupling between different systems and switching of different working modes are achieved. According to the invention, energy coupling and integrated management among the systems are realized, and the thermal management requirement is met with low energy consumption in multiple scenes.

The invention discloses photovoltaic module broken glass recovery processing equipment and method. The recovery processing equipment is used for firstly dismantling a frame, a wire box and a cable on a photovoltaic module to obtain a frameless photovoltaic module; grinding and removing a fluorine-containing back plate on the rear side of the frameless photovoltaic module to obtain a laminated part; stripping and sorting the obtained laminated piece to obtain a pure broken glass product, an EVA (Ethylene Vinyl Acetate) battery layer and glass containing EVA impurities; cutting the EVA battery layer into small pieces; carrying out pyrolysis on the EVA battery layer in the small piece state and the glass containing the EVA impurities, and removing the organic matter glue layer to obtain a mixture of the glass, the welding strip and the silicon battery piece; and sorting the mixture into a plurality of different states, and sorting the mixture in different states to obtain pure glass, a welding strip and a silicon battery piece. According to the photovoltaic module broken glass recovery method provided by the invention, the loss of each material of the module in the recovery process is relatively low, valuable materials are fully recycled, and the recovery period is shortened.

The invention relates to the technical field of grain drying equipment, in particular to a low-temperature recycling type efficient energy-saving grain drying machine which comprises an air inlet channel, an air outlet channel, a rotational flow filtering mechanism and an adsorption filtering mechanism. The air inlet channel is connected with an air inlet system; the air outlet channel is connected with an exhaust system; the rotational flow filtering mechanism is arranged in the air outlet channel; the adsorption filtering mechanism is connected with the rotational flow filtering mechanism; water and dust particles in high-temperature waste gas are separated and then directly introduced into the evaporator, the evaporator is heated and then introduced into the heat exchanger to be heated, the filtered and heated gas flows through the outer surface of a channel where the waste gas passes, and redundant heat of the filtered and heated gas is transferred to the waste gas; waste heat recovery is achieved, and the temperature of gas entering the drying tower is controlled to be appropriate; the problems that when dust exists in grains, dried damp and hot waste gas carries the dust to be discharged, and the heat exchange efficiency is gradually reduced when the waste gas carrying the dust is recycled are solved.

The invention belongs to the technical field of coking high-temperature condensed water recycling, and discloses a high-temperature condensed water recycling device which comprises an expansion tank with a condensed water ingress pipe welded to the inner wall of one side of the bottom, and a first liquid discharge pipe welded to the bottom of the inner wall of one side of the expansion tank. A negative pressure exhaust pipe is welded to the position, over the first liquid drainage pipe, of the expansion tank, a blow-off pipe is welded to the axis of the bottom of the expansion tank, and a blow-off assembly is arranged on the inner wall of the bottom of the expansion tank. The flowing low-temperature gaseous working medium and the high-temperature condensed water are used for heat exchange treatment, the temperature of the high-temperature condensed water can be effectively reduced, the cooled high-temperature condensed water is sent to downstream users to achieve heat recycling, and the heated gaseous working medium can drive the generator to rotate to achieve power generation treatment; and in addition, the high-temperature liquid working medium recycled in the middle process can be used for heat exchange, so that the heat of the high-temperature condensed water can be fully recycled.

The invention discloses steelmaking flue gas recovery and waste heat utilization equipment and a use method, and relates to the technical field of flue gas waste heat recovery. Dust in the steelmaking flue gas can be filtered through the filter cartridge before the flue gas enters the heat exchange mechanism, and then the clean flue gas is conveyed into the heat exchange mechanism, so that the inner wall of the heat exchange barrel can be kept in a clean state all the time, the dust in the steelmaking flue gas is prevented from being attached to the inner wall of the heat exchange barrel, heat transfer is prevented from being hindered, and the service life of the steelmaking flue gas is prolonged. The smoke dust scraping assembly can scrape off smoke dust attached to the inner wall of the filter cartridge, the self-cleaning effect can be achieved while the heat of the steelmaking smoke gas is recycled, and therefore the good filtering effect of the filter cartridge is always kept, and the scraped-off smoke dust can be collected in a centralized mode under pushing of an auger. When high-temperature flue gas passes through the heat exchange assemblies, the heat exchange assemblies can rotate around the axes of the heat exchange assemblies, so that surrounding clear water is disturbed, clear water at different positions is stirred and mixed, and water temperature areas at different positions are consistent.

The invention discloses a fish excrement and particulate matter filtering device for a fish tank, and relates to the technical field of fish tank accessories, the fish excrement and particulate matter filtering device comprises an upper cover, a filtering main body box, a drawer outer box, a filtering drawer and a confluence bottom support; the device is small and exquisite in overall design, small in occupied space and suitable for fish tanks of different sizes, the space around the fish tanks is saved through the design, the device is more attractive and elegant, meanwhile, due to the characteristic of modular assembly, a user can flexibly adjust the device according to the actual size and requirements of the fish tanks, and the practicability is high. The water outlet grooves of the three groups of inclined nozzles in the device obliquely spray water to cooperatively drive the filter screen to rotate, so that effective filtering is realized, fish manure and particle impurities are cleaned through physical scouring and rotary centrifugation, the filter screen is effectively prevented from being blocked, the filtering effect is remarkably improved, and meanwhile, the water outlet grooves of the three groups of inclined nozzles are effectively prevented from being blocked. The design of the rotary filter screen and the inclined nozzle also reduces the energy consumption, and conforms to the modern environment-friendly and energy-saving concept.

The utility model relates to a cathode carbon waste heat recycling device which comprises a smoke outlet pipe used for discharging smoke when cathode carbon is calcined. The smoke outlet pipe is fixedly arranged in the waste heat recovery assembly in a penetrating mode, the waste heat recovery assembly is used for recovering waste heat brought out by smoke in the smoke outlet pipe, the waste heat recovery assembly comprises an outer sleeve, a communicating pipe, a water inlet pipe, a first water pump and a recovery box, the communicating pipe and the water inlet pipe are fixedly arranged on the side wall of the outer sleeve, and the water inlet pipe is fixedly connected with a water inlet of the first water pump. The first water pump is fixedly arranged on the recycling box, the outer sleeve is fixedly arranged on the outer wall of the smoke outlet pipe in a sleeving mode, the main water pipe is fixedly arranged on the top of the outer sleeve, and the first valve is fixedly arranged in the main water pipe. Meanwhile, impurities in the flue gas can be fully filtered, and water flow is kept clean.

The invention relates to the technical field of wastewater treatment, and discloses an ammonia-nitrogen wastewater treatment device and an ammonia-nitrogen wastewater treatment method. According to the embodiment of the invention, the deamination tower, the compression mechanism, the evaporation mechanism, the condenser and the reboiler are matched to construct an efficient steam circulation system, so that the steam can be fully recycled in the ammonia-nitrogen wastewater treatment device, and the use amount of circulating cooling water is reduced; the problem of high ammonia-nitrogen wastewater treatment cost caused by huge live steam consumption in the prior art is solved.

The utility model discloses spraying and humidifying equipment for corrugated boards, which relates to the technical field of corrugated paper production and comprises a processing box and a water tank fixedly arranged at the bottom end of the processing box through a collecting hopper, and further comprises a conveying unit and a spraying unit which are arranged on the processing box, and vertical strip-shaped through grooves are respectively formed in two opposite side surfaces of the processing box; the conveying unit comprises a rectangular frame plate, a transverse lead screw, a supporting plate, a rotating shaft, a vertical roller, a rotating motor and a transverse roller, and the rectangular frame plate is fixedly arranged on the surface of one side of the treatment box; the spraying unit comprises a conveying pump, a water conveying pipe, a vertical mist spraying plate, a supporting frame plate and a filter plate. According to the corrugated board conveying device, the rotating motor operates to drive one rotating shaft to rotate, one vertical roller rotates actively, the other vertical roller rotates along with the rotating shaft to push a corrugated board to enable the corrugated board to pass through the interior of a processing box, and the corrugated board conveying device can be matched with the corrugated board to be vertically placed, conveyed, sprayed and humidified and is wide in adaptive corrugated board thickness range.

The invention discloses a carbon fiber production waste liquid recycling process, which comprises: (1) inputting a waste liquid containing acrylonitrile and dimethyl sulfoxide into an acrylonitrile recovery tower, controlling the pressure and the temperature, enabling acrylonitrile and a part of water to form a gas phase, and separating the gas phase from the tower top to obtain dimethyl sulfoxide and water at the tower bottom; (2) dimethyl sulfoxide and water at the bottom of the acrylonitrile recovery tower sequentially enter a first-stage dehydrating tower, a second-stage dehydrating tower and a third-stage dehydrating tower, water is discharged from the tops of the dehydrating towers, and dimethyl sulfoxide at the bottom of the tower is purified step by step until the concentration reaches 99.5% or above; and (3) the purified dimethyl sulfoxide enters a rectifying tower, the pressure and the temperature are controlled, dimethyl sulfoxide impurities exist at the tower bottom, dimethyl sulfoxide forms a gas phase, the gas phase is discharged through the tower top, and after condensation and recovery, a pure dimethyl sulfoxide product without impurities is obtained. The process is efficient, environment-friendly and energy-saving, and the recovery rate of acrylonitrile and dimethyl sulfoxide is high.

This invention relates to the field of heat energy recovery technology, specifically disclosing a biomass boiler slag heat recovery device, including a receiving unit, a conveying structure, and a heat exchange structure. The conveying structure is fixedly installed on the receiving unit, and the heat exchange structure is fixedly installed on the conveying structure and located above the receiving unit. This invention achieves full and efficient waste heat recovery, realizing multi-level utilization of heat energy. The heat exchange structure has a simple design, is easy to process and assemble, and operates stably, achieving environmentally friendly operation. It takes into account both waste heat recovery and dust control, centrally collects slag residue, maintains a clean working environment, and facilitates subsequent processing. The heat energy utilization method is practical and adaptable to actual industrial heat demand. The structure has strong synergy, and the overall equipment is compact with high space utilization.

The present invention relates to a low-emission, high-energy-efficiency, direct-fired lithium bromide absorption type cold and hot water unit, belonging to the technical field of air conditioning equipment. It is additionally provided with a hot water heat exchanger (17); the hot water heat exchanger water inlet pipe (29) of the hot water heat exchanger (17) is connected to the evaporator water inlet pipe (31) of the evaporator (1), and a valve II (30) is provided on the pipe; the hot water heat exchanger water outlet pipe (26) of the hot water heat exchanger (17) is connected to the evaporator water outlet pipe (28) of the evaporator (1), and a valve I (27) is provided on the pipe; the solution flow of the flue gas heat exchanger (14) and the refrigerant water heat exchanger (20) is a series flow. It can reduce the temperature of the dilute solution entering the flue gas heat exchanger when the unit is in heating operation, thereby reducing the exhaust temperature of the unit to below 80°C, so that the heat of the low-temperature flue gas can be fully recovered and utilized, and the heating performance coefficient COP is increased to above 0.962, the unit operation is more economical, and the heating energy consumption is lower.

A PK post-treatment system comprises a crusher, a polymer dryer, an extruder and an underwater granulator, a feed port of the crusher is connected with a PK polymerization unit, a discharge port of the crusher supplies materials to the polymer dryer, the polymer dryer is connected with a negative pressure source, a discharge port of the polymer dryer supplies materials to the extruder through a powder cooler, and the underwater granulator is connected with the powder cooler. A mixing feed hopper is further arranged at the feed end of the extruder and connected with an anti-aging agent source, and a discharge port of the extruder supplies materials to the underwater granulator through a melt pump. The device is simple in structure and convenient to operate, and PK products with stable quality can be obtained.

The invention provides a gas turbine methanol compound cycle power generation system based on an expansion machine and methanol reforming reaction waste heat recovery. A methanol solution storage tank, a pump, a liquid methanol solution gasifier, a gaseous methanol-steam reforming reactor, the expansion machine and a gas turbine are integrated and circulated; exhaust smoke of a gas turbine sequentially passes through the gaseous methanol-steam reforming reactor unit and the liquid methanol solution gasifier unit for heat exchange and cooling and then enters an exhaust system; a liquid methanol solution is discharged from the liquid methanol solution storage tank, sequentially passes through the pressure pump, the liquid methanol solution gasifier unit and the gaseous methanol-steam reforming reactor unit, and then is converted into mixed gas of methanol, hydrogen, carbon dioxide and water; and after pressure reduction and temperature reduction, the gas enters a combustion chamber of the gas turbine to be mixed with air for combustion. The system has the advantages that the methanol reforming reaction hydrogen production technology, the expansion machine technology and the gas turbine cycle are integrated, and efficient power generation is achieved.

The invention discloses an injection molding machine with an auxiliary demolding structure for plastic processing, and relates to the technical field of injection molding equipment, the injection molding machine comprises a rack and an injection molding mechanism, the injection molding mechanism comprises an injection main machine and a circular groove, a right-angle frame is fixedly mounted at the discharging end of the outer side of an injection molding barrel, and a positioning block is slidably mounted at the top of the right-angle frame; a clamping ball is fixedly installed at the end, away from the right-angle frame, of the positioning block, a rhombic elastic frame is fixedly installed between the outer side of the positioning block and the top of the right-angle frame, a push rod is fixedly installed on the side of the outer side of the positioning block, and an auxiliary assembly is installed on the outer side of the right-angle frame and comprises a sliding strip. A baffle is fixedly installed on the side of the outer side of the sliding strip through a zigzag rod, an air channel is formed in the baffle, and a right-angle elastic strip is fixedly installed between the outer side of the sliding strip and the outer side of the injection molding barrel. The injection molding machine with the auxiliary demolding structure for plastic processing achieves the effect of auxiliary demolding, is convenient to fit and gather, and performs auxiliary demolding.

The utility model provides an energy-saving chloromethane synthesis system, relates to the technical field of chloromethane synthesis, and solves the technical problem that the existing chloromethane synthesis system adopts a raw material methanol to cool chloromethane and the cooling is incomplete. The device comprises a two-phase heat exchanger communicated with the synthetic reaction kettle, the double-phase heat exchanger is provided with a methanol inlet for introducing methanol, a methanol outlet communicated with an inlet of the synthetic reaction kettle, a chloromethane inlet communicated with an outlet of the synthetic reaction kettle and a chloromethane outlet, and the chloromethane outlet is further communicated with a water washing tower for adding water to wash chloromethane and a water washing tank for cooling the chloromethane again; an inlet of the washing tank is communicated with a water outlet of the washing tower, and an outlet is communicated with an inlet of the synthetic reaction kettle. After absorbing heat of chloromethane, the washing waste liquid and hydrogen chloride are recovered to the synthesis reaction kettle, so that the reaction heat required by the hydrogen chloride reaction is reduced, the system energy consumption is reduced, and the material consumption is reduced.

The application provides a multi-energy cooperative heating system, method, equipment and medium, and relates to the technical field of heating. The system comprises: a group of buried tube wells, which are used for transmitting external waste heat into a rock-soil layer to store heat and generate a heat storage rock-soil layer in a non-heating season; a biomass cogeneration unit, which is used for generating power, exhaust steam and flue gas; a ground source heat pump unit, which is used for extracting heat from the heat storage rock-soil layer in a heating season by taking a preset part of the power as a driving source, generating water at a first temperature according to the heat; a flue gas waste heat recovery device, which is used for recovering the flue gas and generating water at a second temperature by taking the flue gas as a driving source; and an absorption heat pump unit, which is used for increasing the temperature of the water at the first temperature and the water at the second temperature, generating water at a third temperature, and outputting the water at the third temperature to a heating pipe network. The application has the technical effect of meeting the long-term needs of a central heating pipe network for heating continuity and hot water quality.

The invention discloses a metallurgical slag synergistic modification treatment method, which belongs to the field of solid waste treatment, and comprises the following steps: mixing liquid blast furnace slag and liquid steel slag according to a ratio of (1.5-2.5): 1, carrying out an oxidation-reduction reaction on carbon and sulfide reducing substances in the blast furnace slag and iron oxide in the steel slag, and carrying out natural sinking and floating separation, the mixed slag tends to be layered from top to bottom according to different densities, and sequentially comprises calcium phosphate, calcium silicate, dicalcium silicate, tricalcium silicate, calcium ferrite and molten iron from top to bottom; part of dicalcium silicate and slag above are poured into a slag tank to be subjected to slag flushing treatment, the rest dicalcium silicate, tricalcium silicate, calcium ferrite and molten iron are conveyed to a converter to be smelted, dicalcium silicate, tricalcium silicate and calcium ferrite serve as slag formers for dephosphorization and desiliconization of the converter, and dephosphorization and desiliconization in the earlier stage of converter smelting are promoted. The two kinds of slag are subjected to cooperative treatment, the reduction characteristic of the blast furnace slag is utilized, steel slag metal elements are fully recycled, and all slag components are recycled and reasonably utilized in a high-value mode.

The application provides a hydrogen catalytic combustion process for co-production of water vapor and nitrogen. The application also provides a hydrogen catalytic combustion device for co-production of water vapor and nitrogen. The hydrogen catalytic combustion process and device provided by the application have the advantages of simple process, high energy efficiency, co-production of water vapor and nitrogen, low device investment, high automation degree, low operation cost, high safety and the like compared with traditional multi-stage hydrogen catalytic combustion process and device, and are particularly suitable for popularization and application in industrial scenes with hydrogen source, water vapor and nitrogen, and have good economic and social benefits.

The utility model provides a high-pressure pneumatic ash removal device for a special flue recovery furnace. The high-pressure pneumatic ash removal device comprises a recovery furnace bin body, an ash removal assembly and a high-pressure gas source assembly. The ash removal assembly comprises an air blowing pipe and a plurality of heat dissipation plates, and the multiple heat dissipation plates are arranged at intervals in the length direction of the air blowing pipe; one end of the heat dissipation plate is connected with the side wall of the air blowing pipe, and the other end of the heat dissipation plate is obliquely downwards arranged in the recovery furnace bin body; the air blowing pipe is arranged in the recovery furnace bin body, a plurality of air blowing nozzles are arranged on the side wall of the air blowing pipe, and the air blowing nozzles and the heat dissipation plates are arranged in a one-to-one correspondence mode; the high-pressure air source assembly is connected with the air blowing pipe. According to the heat dissipation device, by arranging the high-pressure gas source assembly, high-pressure gas can be provided, the heat dissipation plate can be purged at regular time, dust is prevented from being adsorbed on the heat dissipation plate, and therefore the better heat dissipation effect is achieved; and meanwhile, the heat dissipation plate is obliquely arranged downwards, so that dust on the heat dissipation plate is easier to fall off, and the dust recovery efficiency is further improved.

The present invention discloses a flare gas recovery device, which belongs to the technical field of flare gas recovery. The device comprises a PLC controlled by the whole machine, a water seal tank, a dry gas holder, a discharge tank, a back pressure tank and a joint control valve unit, wherein a demister is arranged on the inner upper part of the water seal tank; the lower part of the water seal tank is connected to the flare gas inlet pipe through a first one-way valve; the flare gas inlet pipe is connected to a second one-way valve at the input end of the first one-way valve; the second one-way valve is connected to the dry gas holder through a first electric control valve; the top of the water seal tank is connected between the second one-way valve and the first electric control valve through a third one-way valve; the bottom of the water seal tank is connected to the discharge tank through a double valve group; the double valve groups are connected to the upper part of the water seal tank through a discharge valve; the back pressure tank is connected to the bottom of the discharge tank through a back pressure valve. The flare gas recovery device of the present invention can fully recycle and utilize the flare gas, improve the application value of the flare gas, and can quickly handle the flare gas in an emergency.

The invention relates to the technical field of energy, in particular to an optimization method, device, equipment and medium for a combined cooling heating and power system, and the method comprises the steps: determining an optimization target value of the combined cooling heating and power system, obtaining a decision variable of the combined cooling heating and power system, and according to a preset optimization strategy and in combination with a constraint condition, optimizing the optimization target value of the combined cooling heating and power system; and performing iterative optimization processing on the decision variables until a preset convergence condition is met, and obtaining an optimization result corresponding to each decision variable. Thus, the decision variable can be optimized by setting the optimization target value and based on the preset optimization strategy, the energy conversion and transmission process among the energy storage and release unit, the circulation unit and the refrigeration unit is effectively coordinated, the residual heat energy generated by the energy storage and release unit is fully recycled, efficient recycling of waste heat is achieved, and the energy utilization rate of the refrigeration unit is improved. Therefore, the energy utilization efficiency of the whole system is greatly improved, and energy waste is reduced.

The utility model discloses a sorting device based on solid waste and belongs to the field of solid waste. The sorting device comprises a machine frame, a side frame is fixedly installed on one side of the machine frame, a servo motor is fixedly installed on the upper surface of the side frame, a connecting gear is fixedly installed at the output end of one side of the servo motor, and the outer arc face of the connecting gear is movably connected with a chain in a sleeved mode. A connecting shaft rod is fixedly mounted on the surface of one side of the connecting gear, a spiral chute is fixedly mounted on the outer arc surface of the connecting shaft rod, and the outer arc surface of the spiral chute is movably sleeved with a filter cartridge; the waste materials are efficiently smashed through the smashing rollers and the sorting plate, the size of the waste materials is reduced, then the waste materials fall into the sorting plate, the smashed waste materials can be further and accurately separated on the sorting plate more smoothly according to the characteristics of materials, density and the like of the waste materials, and therefore large solid waste and various sorted materials are collected respectively. And the waste is transported to a corresponding recycling factory, so that the practice from solid wastes to renewable resources is realized.

The application discloses a sludge and biomass coupling incineration system and a use method thereof, and relates to the technical field of sludge treatment. The system comprises an incinerator, a high-temperature cyclone separator, a fluidized bed dryer, a sedimentation type heat conducting oil dryer, a sludge granulating screw machine, a biomass feeding system, a furnace feeding screw, a postcombustion chamber, a high-temperature air preheater, a multi-stage heat conducting oil heat exchanger, a low-temperature air preheater and a heat conducting oil circulating pump. The application adopts dry incineration integrated design, has no complex transmission and sealing structure, has small key component wear and low failure rate, can be stably operated for a long time, and greatly reduces maintenance and shutdown loss.

The utility model discloses an adjustable numerical control milling machine, which relates to the field of numerical control milling machines, and comprises a workbench, a processing main body, an X-axis driving mechanism and a Y-axis driving mechanism, the processing main body is fixedly arranged above the workbench, the X-axis driving mechanism is arranged in the middle of the workbench, the Y-axis driving mechanism is arranged above the X-axis driving mechanism, and the Y-axis driving mechanism is arranged above the X-axis driving mechanism. A clamping mechanism is arranged above the Y-axis driving mechanism, a water tank is fixedly installed below the workbench, an arc-shaped filter screen is fixedly installed in the water tank, a screw rod is arranged above the arc-shaped filter screen, a waste storage bin is fixedly installed on one side of the water tank, and a water pipe is installed at the output end of a water pump. And a high-pressure nozzle is mounted at the tail end of the water pipe. Filtered scrap iron is collected and conveyed into the waste storage bin through the screw rod, filtered water in the water tank is pumped out through the water pump, the scrap iron can be effectively collected, and water resources are fully recycled.

The utility model provides a kind of alumina calcination furnace flue gas waste heat recycling system, including fluidization mechanism, fluidized heat preservation reactor, preheating unit and venturi dryer connected with chimney in turn, venturi dryer is connected preheating unit by cyclone separator, preheating unit connects calcination furnace main furnace;Fluidized heat preservation reactor is connected to the outlet of calcination furnace main furnace;Cyclone separator's flue gas outlet end is connected chimney;Cooling unit connects calcination furnace main furnace air inlet, preheating unit discharge port connects cooling unit feed inlet.The utility model passes through fluidization mechanism and fluidized heat preservation reactor, so that flue gas and the material of calcination furnace main furnace come out heat exchange, return to preheating system again;Through flue gas in venturi drying against aluminium hydroxide dry, and after separating by cyclone separator, aluminium hydroxide and flue gas heat exchange again in preheating unit, enter calcination furnace main furnace and carry out decomposition reaction production alumina;And flue gas returns chimney and is recycled, improve waste heat recovery efficiency, reduce the loss of system.

The invention relates to a heating furnace device for metal workpiece treatment, and relates to the technical field of metal workpiece treatment equipment. The heating furnace device comprises a bottom pouring layer, a plurality of supporting walls located on the pouring layer and a zinc pot arranged on the supporting walls, an enclosing wall is arranged on the pouring layer and located on the periphery of the supporting walls, and a fireproof heat preservation layer surrounding the periphery of the zinc pot is fixedly arranged on the enclosing wall. A gap is formed between the fire-resistant thermal insulation layer and the peripheral surface of the zinc pot and forms a fire passing channel; a gas nozzle facing the fire passing channel is arranged on the fire-resistant heat preservation layer; flues communicated with the fire passing channel are arranged between the adjacent supporting walls and between the supporting walls and the enclosing wall below the zinc pot; and the enclosing wall is provided with a smoke exhaust outlet which is communicated with the flue and is used for communicating the flue to the drying kang. The heating furnace device is better in heat preservation effect, waste heat and waste heat of the heating furnace device can be fully utilized, and the heating furnace device is more energy-saving and environmentally friendly.

The utility model relates to the technical field of cloth setting, in particular to a heat energy recycling heat exchange device for a cloth setting machine. According to the heat energy recycling heat exchange device for the cloth setting machine, the setting machine body is provided with the air outlet pipe, the air outlet pipe is connected with the heat exchange mechanism, the heat exchange mechanism comprises the heat exchange cylinder and the air supply cylinder communicating with the heat exchange cylinder, and the air exchange part is installed in the heat exchange cylinder; an air outlet of the air exchange part is communicated with an inner cavity of the setting machine main body, so that heat recycling of air-air heat exchange is realized; the heat exchange cylinder body comprises an inner cylinder body and an outer cylinder body, a smoke cavity is formed between the inner cylinder body and the outer cylinder body, a smoke exhaust pipe is arranged on the smoke cavity, the other end of the smoke exhaust pipe is connected with a water storage cylinder, full recycling of heat is achieved, the effect of zero emission of heat is achieved, and energy waste can be effectively avoided.

The invention relates to a vibration energy collector for power supply of an electric toothbrush, comprising a vibration beam (1) and a vibration amplification device, the vibration beam (1) is an arched iron sheet with MFC sheet (2) pasted on the inner side of several concaves, the vibration amplification device comprises an iron ball (3) and a spring (4). Compared with the prior art, the invention has the advantages of high system output power, long service life, stable work and the like.