1326 results about "Cold blast" patented technology

The invention discloses a melt spinning cooling system which comprises a spinning box, a cooling cylinder section, a first heating assembly, a second heating unit and a recovery part, the first heating assembly outputs trace hot nitrogen, anti-oxidation protection of melt trickles is achieved, the oxidation risk possibly caused by direct contact of a traditional cooling medium is avoided, and the cooling efficiency is improved. Meanwhile, the second heating unit is matched to regulate and control the temperature of the cooling cylinder section, so that the whole-process temperature accurate control from oxidation prevention to high-temperature natural cooling and the high-temperature natural cooling and cold air supply-free operation process are realized, and the solidification orientation length and process of the melt trickle can be actively lengthened by combining gradient process temperature control; different from the defect of insufficient orientation caused by too fast cooling in the prior art, key conditions are provided for optimization of a fiber orientation structure; due to the coaxially stacked cooling cylinder sections and nitrogen recovery operation, a stable cooling environment is constructed, fiber shaking is avoided, the nitrogen utilization rate and the environmental safety are improved, and the process stability and economical efficiency are balanced.

The invention belongs to the field of coupling power generation, and provides a coupling pulverized coal fired boiler low-load stable combustion and blending combustion system and a control method. According to the system, cold air from a boiler primary air fan is divided into two paths, one path is directly conveyed to a cold air main pipe, and the other path is conveyed to a hot air main pipe after being preheated by a preheater; the coal mill correspondingly takes cold air and hot air from the cold air mother pipe and the hot air mother pipe, the cold air and the hot air are mixed to a set temperature and then enter the coal mill for pulverized coal drying, and the dried pulverized coal is conveyed to the pulverized coal boiler to enter a hearth for combustion; the biomass gasification furnace takes cold air and hot air from the cold air mother pipe and the hot air mother pipe correspondingly, and the cold air and the hot air enter the biomass gasification furnace after being mixed to a set temperature; the biomass material is gasified in the biomass gasification furnace to generate carbonized products, namely biomass charcoal and biogas; the carbonized product biomass charcoal is conveyed to a coal mill to be milled together with the raw coal, and then is blown to a pulverized coal boiler to enter a hearth for combustion; biogas directly enters the pulverized coal boiler and enters a hearth for combustion.

The utility model relates to the technical field of vacuum gas quenching furnaces, and discloses a circulating heat exchange type vacuum gas quenching furnace which comprises a vacuum gas quenching furnace body, a set of connectors are arranged on the outer wall of the vacuum gas quenching furnace body, circulating pipes are connected to the outsides of the connectors, a water cooling tank is connected to one end of each circulating pipe, and a flow dividing air bellow is rotationally installed on one side of the interior of the water cooling tank; a plurality of heat exchange pipes are arranged on the inner wall of the flow dividing air bellow in the circumferential direction at equal intervals, the ends, away from the flow dividing air bellow, of the heat exchange pipes are connected with an air bellow, a sealing plate is rotationally installed on the other side in the water cooling tank, and a three-way air pipe is arranged outside the sealing plate. The workpiece is placed in the vacuum gas quenching furnace to be heated in advance, a proper environment is provided for heat treatment of the workpiece, cold air is divided through the multiple heat exchange pipes, the heat exchange efficiency is improved, the bevel gear rotates to drive the sealing plate, the air box and the heat exchange pipes to rotate, the multiple heat exchange pipes make full contact with cooling liquid, the heat exchange uniformity is improved, and the heat exchange efficiency is improved. And the workpiece cooling effect is ensured.

The utility model discloses an environment-friendly municipal sludge drying system, belongs to the field of sludge treatment processes, and is suitable for drying treatment of municipal sludge. The drying system comprises a hot blast stove, a heat exchanger, a condenser, a collector, a dryer and a waste gas treatment device, and can further comprise a high-temperature mixing chamber; the dryer adopts a gas drying mode, a material inlet of the dryer is connected with treated moisture-containing sludge, a gas source inlet is connected with high-temperature drying air, and the moisture-containing sludge is dried by the high-temperature drying air; a material inlet of the collector is connected with a dried material outlet of the dryer, a dried finished product is collected, and low-temperature moisture-containing air is discharged; the condenser condenses the low-temperature moisture-containing air to obtain condensed water and low-temperature dry air; the heat exchanger receives high-temperature hot air and low-temperature dry air to exchange heat in the heat exchanger to obtain waste gas and high-temperature dry air; and the hot blast stove supplies high-temperature hot air to the heat exchanger by introducing cold air and heating. The sludge drying system has the remarkable advantages of high drying efficiency, stable and safe operation, energy conservation, environmental protection, cost saving and the like.

The invention relates to the technical field of bypass ventilation denitration systems, and discloses an intelligent bypass ventilation SCR (Selective Catalytic Reduction) coupling SNCR (Selective Non-Catalytic Reduction) denitration system which comprises a smoke chamber, a cyclone cylinder, a precise ammonia spraying system, an air mixing chamber, a cooling fan, a cold air valve, a dust collection chamber, an SCR reactor, an exhaust fan, a chimney, a stock bin, a bin pump, a compressed air system and an intelligent control system, the air inlet is connected with the smoke chamber, and the feed opening is connected with the bin pump. Under any working condition, NOx emission at a chimney outlet can reach the standard, the ammonia water consumption is lowest, the denitration effect is good, the investment cost is low, the problem that NOx emission of the kiln tail chimney is unstable and prone to exceeding the standard is solved, the catalyst abrasion and blocking risk can be greatly reduced, the catalyst dosage is small, the maintenance cost is low, and the method is suitable for industrial production. And long-term stable operation of the system is realized.

The present application relates to air conditioning technology field, specifically relates to a kind of partition regulation formula refrigeration constant temperature and humidity air conditioning unit with air supply system, comprising: unit machine case;Constant temperature air supply structure for temperature regulation for air supply system air supply is equipped in the inside of unit machine case, and the air supply end of constant temperature air supply structure is connected with air duct for wind force transmission;The air duct is installed with constant humidity partition regulation structure for indoor partition regulation air supply in air outlet end.This application, in hot air heating mode, system can effectively deliver hot air to each partition by closing No. 1 and No. 3 electromagnetic valve, realize subarea heating, improve energy utilization efficiency, in cold air refrigeration mode, system is adjusted closed flap and starts compressor, so that cold air is delivered to each partition after refrigeration cycle, also realize subarea refrigeration, exhaust air and dust mode can extract indoor peculiar smell and dust, improve indoor air quality.

The invention discloses an air cooling energy storage system and a heat management method, and relates to the technical field of air cooling energy storage. Comprising a cold air energy storage cabinet, a cabinet door is arranged on the front side of the cold air energy storage cabinet, a motor is fixedly connected to the right side of the cold air energy storage cabinet, an air inlet unit is arranged on the inner side of the cold air energy storage cabinet, a plurality of mounting frames are fixedly connected to the inner side of the cold air energy storage cabinet, and an air outlet unit is arranged on the left side of the cold air energy storage cabinet; the left side of the cold air energy storage cabinet is fixedly connected with a protective cover, the air inlet unit comprises an air inlet box, and the air inlet box is fixedly connected to the top of the inner side of the cold air energy storage cabinet. Through the arrangement of the air inlet box, the first rotating rod, the dispersing plate, the fixing box and dispersing holes, entering cold air is conveniently dispersed, through the bottom block, the rotating disc, the connecting rod, the swing block and the swing plate, repeated swing of the swing plate is conveniently controlled, the entering cold air is more evenly distributed, and heat dissipation of electric devices is facilitated.

The invention relates to a bladeless fan capable of switching cold air and hot air, the core of the bladeless fan is an air valve assembly in a shunt pipe, and an air inlet connecting port can be communicated with a first air outlet (in a first air outlet form) or a second air outlet (in a second air outlet form) by switching an air valve; in the first form, airflow enters the hot air outlet shell with the electric heater through the first air outlet, warm air is formed, and the heating requirements in winter, spring and autumn are met; in the second form, the airflow enters the cold air outlet pipe through the second air outlet, cold air is sent out, and cooling in summer is adapted; the first air outlet on the front side of the shunting pipe corresponds to warm air (front concentrated air supply), the left and right second air outlets correspond to cold air (two-side diffused air supply), and air supply modes can be flexibly switched. And the air duct elbow rotationally communicates with the flow dividing pipe, the cold air outlet pipe can rotate, a user can adjust the air supply angle, the problem that air outlet of a traditional bladeless fan is fixed is solved, the air supply requirement of a specific area is accurately met, and the equipment utilization rate and practicability are improved.

The invention discloses a spiral cooling tower for article refrigeration, and relates to the technical field of article cooling. The spiral cooling tower for article refrigeration comprises a cooling room forming a closed cooling space, a cooling unit located at the top of the cooling room and used for refrigeration, a feeding unit located in the cooling room and used for conveying products to be cooled, a discharging unit and a spiral conveyor. A flow guide assembly used for guiding cold air to flow, an enhancing assembly used for changing the air volume of the flow guide assembly and a backflow assembly used for changing the cooled area of a product are arranged in the cooling room, and the flow guide assembly comprises a flow guide cover located in the center of the spiral conveyor and used for guiding the cold air to flow so as to cool the product; the flow guide plate is mounted on the flow guide cover and conveys cold air to the product; by accurately controlling the flow direction of the cold air, it is ensured that the cold air uniformly covers the surfaces of all baked products, so that the speed of transferring heat from the products to the surrounding environment is increased, the cooling efficiency is improved, and the cooling time is shortened.

The invention provides an energy-saving fine control method and device for a central air conditioner of a ten-stage purification workshop. A control system controls all systems to start and operate, and cold air passes through a fan filtering unit and a raised floor to achieve indoor purification circulation; the cold and heat source system carries out cooling treatment, and the cold water outlet temperature is 5 + / -0.5 DEG C; the temperature and humidity control fluctuation range of the first temperature and humidity sensor and the second temperature and humidity sensor is + / -0.3 DEG C / + / -0.8% RH; the control system automatically regulates and controls the air conditioner air cabinet and the cold and heat source system and comprises the steps that measured data of the indoor temperature, the indoor humidity, the air supply temperature, the air supply humidity and the fresh air dew point temperature are input into a pre-constructed temperature and humidity coupling model, and temperature and humidity regulation information is formed through calculation; the control system conducts refrigeration, heating and air volume regulation and control on the air conditioner air cabinet according to the information and conducts valve opening regulation and control on the cold and heat source system and the humidification pipe. According to the invention, the requirement of keeping stable high-precision temperature and humidity under the working condition of ten-grade cleanliness indoors can be met.

The invention discloses an energy-saving low-carbon grate cooler and a using method thereof.The energy-saving low-carbon grate cooler comprises two fixedly-arranged supporting seats, an inertia raising mechanism is installed on the supporting seats, a six-step plate is installed on the inertia raising mechanism, a shell is fixedly connected to the top face of the six-step plate, and six grate plate assemblies are fixedly installed on six steps of the six-step plate; the tail end of the grid plate assembly extends out of the step; the inner wall of the middle of the shell is fixedly connected with a partition plate, and the top face, located above the highest grid plate assembly, of the shell is connected with a kiln head cover. An air pipe is fixedly mounted on the side wall of each step below the six-step plate and is used for supplying cold air to the grid plate assembly; and the bottom of the lowest step of the six-step plate communicates with a discharge port. The invention relates to the technical field of grate coolers. The grate cooler solves the problem that a traditional grate cooler is low in cooling efficiency due to insufficient contact between materials and cold air.

The peak closed type condensation cooler comprises a box body, and an air mixing chamber is arranged on the upper portion of an inner cavity of the box body; two connected fog dispersal modules are arranged in the box body, a resistance reducing shutter and a water distribution device are sequentially arranged between the fog dispersal modules and the side wall of the box body, and the two fog dispersal modules, the resistance reducing shutter and the water distribution device divide a lower cavity of the box body into a first cavity, a second cavity and a third cavity; the fog dispersal module is provided with a cold air channel and a hot air channel which communicate with the air mixing chamber. Through the structural design of bottom air inlet, the sufficient fresh air introduction area can be achieved on the premise that the height of equipment is not increased, then the air path resistance is reduced, the fan operation pressure head and energy consumption are reduced, and the overall energy-saving performance of the equipment is improved. Meanwhile, on the premise that the vertical size of the equipment is not increased, the lift requirement of the spraying water pump is reduced, the energy consumption and the operation burden of the water pump are reduced, and the operation economical efficiency and the structure compactness of the whole equipment are improved.

The utility model discloses a heat pump dehumidification non-cooling multi-split heat exchanger which comprises a first heat exchanger, a second heat exchanger and an electric diverter valve, a liquid pipe of the second heat exchanger is connected with one diverter opening of the electric diverter valve after passing through a throttling electronic expansion valve, and a liquid pipe of the first heat exchanger is connected with the other diverter opening of the electric diverter valve. And the air pipe is connected with a liquid pipe between the electric diverter valve and the throttling electronic expansion valve. Through the combined structure of the first heat exchanger and the second heat exchanger, the second heat exchanger at the air return port is used for dehumidification during dehumidification, and cold air generated by dehumidification is heated through the first heat exchanger, so that air blown into a room during dehumidification has higher temperature, and the indoor temperature cannot be reduced.

The invention provides a peak closed type condensation cooling device with water-saving, energy-saving and fog-dissipation functions. The peak closed type condensation cooling device comprises a box body, and an air mixing chamber is arranged on the upper portion of an inner cavity of the box body; an inner cavity of the box body is sequentially connected with a fog dispersal module, a resistance reduction shutter and a water distribution device, the fog dispersal module divides the lower inner cavity of the box body into a first cavity and a second cavity, the fog dispersal module is provided with a cold air channel and a hot air channel which are communicated with the air mixing chamber, the first cavity is communicated with the cold air channel, and the second cavity is communicated with the hot air channel; an evaporation coil pipe is mounted at the position, close to the side wall of the box body, of the second cavity, and water dripped from the water distribution device can fall on the heat exchange wall surface of the evaporation coil pipe; damp and hot air at an outlet of the evaporation coil pipe is partially condensed through the rhombic fog dissipation filler, the condensed damp and hot air is mixed with cold air after heat exchange, the moisture content is reduced, the relative humidity is reduced, the temperature is reduced, then the air is discharged into the atmosphere to be in contact with environment low-temperature air, and the rime fog phenomenon is not prone to being generated.

The present invention relates to a variable refrigeration tower and comprises: a freight horizontal loading / unloading unit that is installed at the bottom of a loading compartment of a freight vehicle and moves horizontally in a loading space inside the loading compartment to automatically load and unload freight; a partition plate that is mounted vertically in the loading space to form a partition and moves horizontally inside the loading space in conjunction with the freight horizontal loading / unloading unit; an outdoor unit installed outside the loading space; an indoor unit that is disposed on the partition plate, moves along the partition plate, and discharges cold air into a first space, partitioned by the partition plate, in the loading space, thereby forming a cold air circulation region; a cold air circulation line that connects the outdoor unit and the indoor unit and follows the movement of the indoor unit; and a line folding guide that is folded at a certain angle along the partition plate in the loading space and fixes the cold air circulation line to prevent the cold air circulation line from sagging while following the movement of the indoor unit.

The invention discloses a die-casting die thermal fatigue life detection device, and relates to the technical field of die-casting die detection, the die-casting die thermal fatigue life detection device comprises a detection machine body and a control platform, and the top of the detection machine body is provided with a material thermal fatigue detection assembly and a mechanical load mechanism. When the device is used, the electric push rod pushes the heat insulation sleeve to penetrate through the penetrating hole and continue to move, and the movable turning cover is jacked upwards. Under the combination of the vacuum cavity, the honeycomb-shaped porous heat insulation plate and the metal foil reflecting screen, the heat insulation sleeve forms a triple barrier of reflection, vacuum and porous heat insulation, heat transfer is blocked, and it is guaranteed that cold air is not affected by heat of an air cooling opening when blown. When the material thermal fatigue detection assembly works, the cold air pipe and the heat insulation sleeve are located outside the detection box, the heat absorption temperature of the cold air pipe is prevented from increasing in the heating process, and the mold thermal fatigue detection precision and efficiency can be improved.

The invention discloses a snow crystal induced coagulation dust suppression system and method for a crushing station under high-cold and high-altitude working conditions of a surface mine, and belongs to the technical field of mine dust suppression. The snow crystal induced coagulation dust suppression system comprises a water supply function module, an air supply function module and a snow crystal coagulation dust suppression module; one end of the snow crystal coagulation dust suppression module is connected with the water supply function module, and the other end of the snow crystal coagulation dust suppression module is connected with the air supply function module; the water supply function module is used for providing water mist for the snow crystal condensation dust suppression module; the air supply function module is used for providing high-pressure cold air for the snow crystal condensation dust suppression module; the snow crystal condensation dust suppression module is used for fully impacting and mixing water mist and high-pressure cold air, and internally inducing to generate snow crystals; and a spray head is arranged on the snow crystal condensation dust suppression module and is used for spraying snow crystals. According to the scheme, the flying dust pollution problem of the crushing station under the high-cold and high-altitude working conditions of the surface mine is effectively solved, the mine operation environment quality is improved, and meanwhile, the harm of dust to the surrounding ecological environment and the health of workers is reduced.

The invention provides a top-spraying feeding type high-temperature activation furnace and a control method thereof.The activation furnace comprises a vertical furnace body, and a fuel nozzle, a first combustion-supporting air nozzle, a cooling liquid nozzle and a cold air nozzle are sequentially arranged on a first section, a second section, a third section and a fourth section in a hearth of the vertical furnace body from top to bottom; a reduction gasification area, a peroxidation combustion area, a primary cooling area and a secondary cooling area are sequentially defined in the hearth so as to control the temperature in different areas; the fuel nozzles are arranged in pairs and arranged around the center circle of the hearth in a symmetrical tangent circle opposite spraying mode so that opposite flow can generate turbulent disturbance in the center area of the hearth to establish a first swirling flow field, and a feeding nozzle is arranged on the furnace top of the vertical furnace body to be communicated with the hearth and spray materials towards the first swirling flow field to form top combustion. Therefore, the high-temperature activation treatment of the livestock and poultry excrement is realized.

The utility model discloses an air source heat pump intelligent drying system which is characterized by comprising a drying tower which at least comprises a drying section and a cooling section. The heat pump is used for providing hot air for the drying section of the drying tower; the cooling induced draft fan is used for driving cold air to penetrate through the cooling section of the drying tower to cool the grains in the cooling section; the cooling heat exchanger is used for transferring heat in air sent out by the drying tower cooling section to dry air and sending the dry air to the heat pump; heat absorbed by cooled grains is transferred into dry air through the cooling heat exchanger, and the preheated dry air serves as supplementary air to be sent into the heat pump, so that energy consumption is reduced, and cost is reduced.

The invention relates to the technical field of metal alloy corrosion resistance testing, and provides a metal alloy surface corrosion resistance testing device which comprises a rack and a cable, anchorage devices are arranged at the top and the bottom of the rack, the cable is installed between the two anchorage devices, a testing barrel is installed in the middle of the rack, and the testing barrel is connected with the cable. Four multi-tube bodies are arranged in the testing barrel, and a low-temperature cold air dryer and a blast heat dryer are mounted on the rack; under the cooperation of low-temperature cold air, high-temperature hot air and a corrosion solution, a low-temperature high-humidity and high-temperature high-humidity environment is created, so that the corrosion resistance of the cable is tested, an automatic telescopic rod pulls and pushes a rotating rod to rotate upwards or downwards, the distance among four multi-pipe bodies is changed, the pressure of the corrosion solution sprayed on the cable is adjusted, and the corrosion resistance of the cable is improved. Therefore, the penetration depth of the corrosion solution to the cable is controlled, and the corrosion effect of the cable when the corrosion solution permeates different depths is simulated.

The mesh belt dryer comprises a mesh belt dryer body, the mesh belt dryer body comprises a feeding port, a feeding hopper is installed at the feeding port, the bottom of the feeding hopper is communicated with a distributing device, a discharging port is formed in the bottom of any side of the mesh belt dryer body, and a collecting hopper is installed at the end, close to the discharging port, of a bearing mesh belt. The top of the mesh belt dryer is provided with a moisture discharge port, the mesh belt dryer is supported on the kiln through a plurality of supports, a plurality of roller bars transversely penetrate through the middle of the kiln, the kiln is provided with a strong cold air pipe assembly, a gate plate is arranged on a kiln top plate, the kiln is communicated with the mesh belt dryer through the gate plate, the kiln is provided with a plurality of air blowers, and the top of the kiln is provided with a heat extraction port. The kiln in the kiln tail heat extraction section is communicated with the mesh belt dryer through a heat extraction opening, and supporting legs are installed at the bottom of the kiln. The waste heat is utilized under the condition that normal production of the kiln is not affected, the complex structure when the kiln and the mesh belt dryer exist independently is simplified, investment on equipment is saved, and the waste heat utilization effect is improved.

The efficient and energy-saving plastic mold cooling device comprises an outer frame body, the outer frame body is used for providing a mounting cavity for a lower plastic mold, and cooling shells are fixed to the left outer wall and the right outer wall of the outer frame body correspondingly; and gear type single-side multi-area air blowing assemblies used for transversely blowing air to a mold cavity in the top end of the lower plastic mold are installed at the top ends of the cooling shells, and driven air cooling heat dissipation assemblies are arranged on the outer walls, away from each other, of the two cooling shells. According to the invention, a plurality of air blowing assemblies can be simultaneously driven to work by using one split belt wheel rotation driver, so that the power management complexity of the cooling device is simplified, the use quantity of motors is reduced, and low-temperature cooling liquid can quickly enter through the design of the in-line laminated multi-runner fluid director, so that the cooling efficiency is improved. And therefore, strong low-temperature airflow is formed, and cold air is continuously blown to the lower mold body.

The utility model discloses an efficient energy-saving vertical mill system for cement final grinding, which comprises a mill and a V-shaped powder concentrator, and further comprises an air supply pipeline for conveying cold air, the mill and the V-shaped powder concentrator are separately arranged, a bucket elevator is correspondingly arranged between an outlet of the mill and a feed port of the V-shaped powder concentrator, and the discharge port of the V-shaped powder concentrator is communicated with the bucket elevator. And the air supply pipeline is communicated with an air inlet of the V-shaped powder concentrator. Cold air is fed into the V-shaped powder concentrator, the temperature of the V-shaped powder concentrator and the temperature of the powder concentrating system are reduced, and therefore the temperature of a finished cement product is reduced, the temperature of the finished cement product is low, moisture in air absorbed by the finished cement product is reduced, and the hydration phenomenon and the caking problem of cement in a cement silo are avoided. The system is separately arranged, and the operation stability of the system cannot be affected when cold air is fed into the V-shaped powder concentrator.

The invention provides a dehumidifier which comprises a shell provided with an air outlet and a plurality of air inlets arranged side by side. The multiple refrigeration parts are arranged in the shell side by side corresponding to the multiple air inlets, each refrigeration part comprises two oppositely-arranged refrigeration side faces, the two oppositely-arranged refrigeration side faces are located on the two sides of the corresponding air inlet correspondingly and used for providing cooling capacity, and a cold air supply duct is arranged between the two oppositely-arranged refrigeration side faces and used for supplying cold air to the corresponding air inlet; the cold air supply ducts are communicated between the air outlets and the corresponding air inlets; and the fan mechanism is used for sucking airflow outside the shell into the cold air supply duct through the multiple air inlets and then discharging the airflow out of the shell through the air outlet. The dehumidifier can be allowed to have a smaller size, the dehumidification amount and the dehumidification performance of the dehumidifier are guaranteed, and the user experience is improved.

The invention relates to an intelligent continuous production method of common goldenrop particles. The method comprises the following steps: screening and crushing a filler, and conveying the filler to a material preparation bin for airflow premixing; adding the extract into an extract tank, and uniformly stirring and mixing; conveying the pre-mixed filler and extract into a mixer, uniformly mixing, inputting a wetting agent, and mixing to obtain a soft material; meanwhile, the filling agent of the next machine is subjected to airflow premixing; conveying the soft material into a granulator for granulating, and conveying granules into a hot air section of a boiling bed for drying; conveying the filling agent of the next machine into the mixing machine; after the soft materials are conveyed, the extract and the wetting agent are conveyed in sequence, and the soft materials of the next machine are prepared; after particles are transferred to the cold air section of the boiling bed, soft materials of the next machine are granulated, and materials are fed to the hot air section of the boiling bed; and screening to obtain the product. According to the continuous production method, the product quality and stability can be improved while the production efficiency is improved, and materials and energy are greatly saved.

The invention relates to the technical field of blast furnace iron making, and particularly discloses a blast furnace composite stemming and a preparation method thereof.The blast furnace stemming is prepared from, by mass, aggregate including (43-X1-X2-X3)% of brown fused alumina, 13% of coke, (16-B)% of SiC, B% of clay, 4.5% of sericite, 7% of kyanite, 7.5% of silicon carbide iron, 4% of ball pitch, 5% of iron area waste mixture, 1% of iron oxide scale Fe3O4 X, 2% of cubic boron nitride c-BN X and 3% of graphene oxide GO X; comprising the following components in percentage by weight: 13-C% of tar, C% of asphalt and 2% of sodium pyrophosphate Na4P2O7; according to the method, stemming softening caused by excessive use of the oxide scale when the cold air pressure is low is prevented, the problems of incomplete internal structure and insufficient strength development of stemming caused by insufficient heat are avoided, excessive use of nanoscale materials is avoided, and the material cost is reduced.

The utility model discloses a cowshed ventilating and cooling device which comprises a cowshed, an air pump is installed on the outer wall of the cowshed, the output end of the air pump is connected with a first bent pipe, the other end of the first bent pipe is connected with a plurality of transverse pipes, a plurality of through holes are formed in the bottom of each transverse pipe at equal intervals, and the transverse pipes are communicated with the first bent pipe. The utility model relates to the technical field of cowshed ventilation cooling, by arranging an air blowing cooling structure and a spraying cooling structure, the cooling mode is more flexible, the corresponding mode can be selected according to needs, and the air blowing cooling structure and the spraying cooling structure share the transverse pipes and the branch pipes, so that the device can be simplified; by arranging the cold air box and arranging the ice blocks in the cold air box, air enters the cold air box to become cold air, the cold air is sucked into the cowshed, the cold air in the cowshed is cooled, and the cooling effect is improved.

The invention relates to an energy storage type hot and cold air system improved based on an air compressor and a using method, and belongs to the technical field of heating and refrigerating equipment. The system comprises an air compressor assembly, a pressure air storage device, a constant pressure air storage device, a vortex tube unit, an air cooler and an air heater; a compressed air outlet in the air compressor assembly is communicated with the pressure air storage device, the pressure air storage device is communicated with the constant-pressure air storage device, and the constant-pressure air storage device is communicated with the vortex tube unit. The other end of the vortex tube unit is connected with the hot air collecting tube; the air compressor assembly is provided with a heat insulation enclosure shell, and a fresh air fan is installed on the heat insulation enclosure shell. The system has the energy storage characteristic, solves the wind and light abandoning problem of unstable natural energy, utilizes valley electricity to avoid peaks, obtains cheap energy, can be widely applied to the drying industry, building heating and ventilation, energy construction and hot air and cold air supply centers, and achieves the good effects of energy conservation, cost reduction and emission reduction.

The invention relates to the related technical field of toughening furnace bodies, in particular to a hot-bending toughening furnace for toughened glass, which comprises a hot-bending furnace body, a toughening furnace body and a base transmission frame, a hot-bending fitting assembly for hot-bending heated glass is arranged in the hot-bending furnace body, and the hot-bending fitting assembly comprises a lower mold, an upper mold and a soft capsule, the annular cooling assembly for cooling the hot-bent glass is arranged in the toughening furnace body, and the fan frame arranged on the annular cooling assembly is used for cooling the hot-bent glass. According to the invention, the fan frame in the surrounding cooling assembly is matched with the cooling bottom plate to carry out surrounding heat dissipation on the hot-bent glass product; the arc-shaped glass product is cooled back and forth in a surrounding mode in the vertical direction of the glass product, the cooling uniformity of the glass product is improved, it is ensured that cold air can evenly cover the whole arc-shaped glass surface, the spraying angle and pressure distribution of the cold air are better controlled, and therefore uniform cooling of the glass surface is achieved.

The invention relates to a blast furnace operation dynamic regulation and control method, and belongs to the technical field of blast furnace smelting methods. According to the technical scheme, the method comprises the steps that an ore granularity index and a coke granularity index are defined, dynamic correlation between the granularity indexes and cold air flow is monitored in real time, and a regulation and control strategy is triggered in combination with a preset early warning value; and when the index exceeds the limit, the opening degree of a throttle valve, the number of material distribution turns and the cold air flow are dynamically adjusted, and the raw material supply end is synchronously linked to optimize the screening process. The method has the beneficial effects that the purpose of precise regulation and control is achieved, the material suspension risk is remarkably reduced, the coal gas utilization rate is synchronously increased, and smooth furnace conditions and optimization of the blast furnace smelting cost are achieved.