30results about How to "Avoid getting lost" patented technology

This invention provides an integrated device and method for gas ultrapurification, comprising: an integrated sealed cavity; an adsorption system disposed inside the integrated sealed cavity, the adsorption system being filled with at least one adsorbent; a temperature control system disposed inside the integrated sealed cavity, including independent refrigerant circulation loops and hot medium circulation loops, for temperature control of the adsorption system; and a gas pipeline system including a raw material inlet, a displacement gas inlet, a product gas outlet, and a desorption gas outlet, each interface being connected to the integrated sealed cavity; the temperature control system controls the temperature of the adsorption system, enabling the sequential execution of a series of processes within the integrated gas ultrapurification device under the condition of an inert gas flow: preheating and activation of the adsorbent, low-temperature adsorption purification of the gas, high-temperature desorption regeneration, and cooling of the adsorbent for later use. The method of this invention is simple, easy to operate, and has broad industrial application prospects.

The utility model discloses a kind of heat insulation type outer wall bricks, relate to outer wall brick technical field, including outer wall brick ontology, the side surface of outer wall brick ontology is inserted with decorative plate assembly, the outer wall of outer wall brick ontology One side is equipped with first plug block, the outer wall of outer wall brick ontology Another side is equipped with first slot, the inside of outer wall brick ontology is equipped with hollow layer, first cavity, second cavity and third cavity, the inside of second cavity is equipped with heat insulation layer.The heat insulation type outer wall brick, through decorative plate assembly adopts detachable design, it is convenient to maintain or replace decorative plate ontology, decorative plate ontology can also be replaced according to need appearance, and the inside of outer wall brick ontology is provided with hollow layer, first cavity, second cavity and third cavity, can effectively isolate the transmission of heat, prevent solar radiation heat through outer wall brick ontology transmission to indoor in summer, cause indoor temperature to rise, affect the quality of living and working environment.

The utility model discloses a traditional chinese medicine processing digester convenient to pour liquid medicine relates to traditional chinese medicine processing technical field. The utility model discloses a base is equipped with support plate and filter press groove at the top of base, and the inside of support plate is connected with digester through turnover shaft, and the outer surface of turnover shaft is equipped with gear, and one side of support plate is equipped with mounting plate, and the back of mounting plate is installed with servo motor, the utility model discloses pour the medicinal material after steaming together with liquid medicine between two groups of pressing plate, and the filter screen filters liquid medicine, when pouring is finished, servo motor reverses rotation, so that unidirectional screw rod reverses rotation, and then make bidirectional screw rod reverse rotation, and unidirectional screw rod reverses rotation can make two groups of pressing plate extrude the dregs of medicine, so that the liquid medicine in the dregs of medicine can extrude fast, and then can avoid liquid medicine waste.

The present application relates to the technical fields of urea pyrolysis, and particularly relates to a high-temperature flue gas heat exchanger urea pyrolysis system, which comprises a boiler flue chamber, an ammonia injection chamber, a side chamber and a pyrolysis furnace, the boiler flue chamber and the ammonia injection chamber are sequentially communicated, the side chamber is connected between the boiler flue chamber and the ammonia injection chamber and is communicated with the boiler flue chamber and the ammonia injection chamber respectively. The pyrolysis furnace is arranged in the side chamber, the side chamber is provided with a heat exchange pipe, and the heat exchange pipe extends into the pyrolysis furnace. The ammonia injection chamber is provided with a gas injection pipe, and the pyrolysis furnace is communicated with the gas injection pipe. The high-temperature flue gas heat exchanger urea pyrolysis system can directly heat the fresh air in the heat exchange pipe by using the high-temperature flue gas branched in the boiler flue chamber, and the fresh air is directly sent into the pyrolysis furnace after being heated, so that no additional connecting pipeline is needed, heat loss in the pipeline conveying process is avoided, energy consumption in the flue gas pollution treatment process is reduced, standard flue gas discharge and reasonable resource utilization are realized.

This utility model relates to the field of maintenance device technology, specifically to a quick disassembly and maintenance device for a track ball valve core. It includes a main support, with first adsorption grooves at both ends, each with a magnet fixedly connected to its inner side. A side rod is hinged inside the first adsorption groove, and a first hexagonal portion is fixedly connected to the outer wall of the side rod. Different types of first hexagonal portions are connected to different side rods. A movable rod slides inside the main support, with a second hexagonal portion fixedly connected to its top end. The second hexagonal portion is of a different type than the first hexagonal portion. A conical extractor is fixedly connected to the bottom end of the movable rod. This utility model modularly integrates various tools, including the first hexagonal portion, the second hexagonal portion, and the conical extractor, into a single unit through the first adsorption groove, the second adsorption groove, and the hinged side rod, greatly enhancing the portability and ease of operation of the device and effectively preventing the loss of tool parts.

The utility model relates to the technical field of food processing equipment, in particular to fruit slice vacuum low-temperature concentration equipment which comprises an evaporation cavity shell, a vacuum steam exhaust pipe is fixedly mounted at the top of the evaporation cavity shell, and a concentrated pulp liquid discharge pipe is fixedly mounted at the bottom of the evaporation cavity shell. A low-temperature concentration assembly is arranged on one side of the evaporation cavity shell; through the arrangement of the first liquid inlet pipe, the booster pump and the second liquid inlet pipe, primary pulp can be stably conveyed to the heating cavity from the primary pulp tank, the booster pump can increase the liquid inlet pressure, it is ensured that primary pulp is supplied smoothly and efficiently, and stable raw material input is provided for the subsequent concentration process; the heating cavity is formed by a plurality of independent cuboid containers in a circumferential array mode and communicated through the circulating pipe, the structure can enable fruit slice raw pulp to be evenly heated in the heating cavity, heat exchange efficiency is improved, consistency of the concentration effect is guaranteed, meanwhile, the raw pulp can circulate among the containers through the circulating pipe, and local overheating or uneven concentration is avoided.

This utility model relates to the field of boiler secondary air duct technology, and discloses a boiler secondary air duct with adjustable air volume. The duct includes a secondary air duct with a damper plate fixedly connected to one side. A ventilation hole extending into the interior of the damper plate is formed on its outer wall. An adjusting cylinder is fixedly connected to the inner wall of the damper plate. Fixed baffles are fixedly connected to both sides of the adjusting cylinder. A contraction groove is formed inside the fixed baffle. A telescopic baffle is slidably connected inside the contraction groove via an adjusting mechanism. Multiple sets of vertical grooves are formed at the bottom of the telescopic baffle. This allows the device to block the ventilation holes of the damper plate using a wind-blocking component. By controlling the area of ​​the blocked ventilation holes, the air volume of the secondary air duct can be adjusted, thus preventing incomplete combustion due to insufficient air volume or excessive heat loss due to excessive air volume, thereby greatly improving the practicality of the device.

The utility model provides a neodymium iron boron hydrogen demolishing reaction system which comprises a hydrogen demolishing furnace, the hydrogen demolishing furnace comprises a furnace body, a first inner cavity and a second inner cavity are arranged in the furnace body, the first inner cavity is embedded in the second inner cavity, a closed circulation channel is formed between the first inner cavity and the second inner cavity, and the first inner cavity is communicated with the second inner cavity. The circulating channel is used for being filled with heating or cooling fluid to heat or cool the first inner cavity, the first end of the furnace body communicates with the circulating channel, and the second end of the furnace body communicates with the first inner cavity; the heat preservation part is arranged on the peripheral side of the furnace body and comprises a driving mechanism, a first heat preservation part and a second heat preservation part, when the first inner cavity is heated, the first heat preservation part and the second heat preservation part wrap the outer surface of the furnace body through the driving mechanism, and when the first inner cavity is cooled, the first heat preservation part and the second heat preservation part wrap the outer surface of the furnace body through the driving mechanism. The first heat preservation part and the second heat preservation part are far away from the outer surface of the furnace body through the driving mechanism.

The utility model relates to a compact low-voltage cabinet with high heat dissipation performance, which comprises a low-voltage cabinet body, a frame circuit breaker is arranged in the middle of the low-voltage cabinet body and comprises a frame circuit breaker upper busbar and a frame circuit breaker lower busbar, and an axial flow fan mounting seat is arranged on the outer side of the middle of the low-voltage cabinet body. The low-voltage cabinet body is provided with an axial flow fan mounting base, the axial flow fan mounting base comprises an upper end plate, an upper transverse plate, an inclined plate and a lower transverse plate which are connected in sequence, side baffles are arranged on the two sides between the upper transverse plate and the lower transverse plate, an axial flow fan is mounted on the inclined plate, an air outlet of the axial flow fan faces an upper busbar of the frame circuit breaker, and a ventilation opening is formed in the lower end of the low-voltage cabinet body. According to the utility model, the inclined axial flow fan is utilized to directly blow to the busbar on the frame circuit breaker, so that the low-voltage cabinet of the box-type substation has better heat dissipation performance.

The invention discloses a dish-washing machine and a control method thereof, the dish-washing machine comprises an inner container, a shelf and a steam output assembly, the shelf is arranged in the inner container and used for placing tableware to be washed, the steam output assembly is installed in the inner container, and at least part of the steam output assembly is arranged on the shelf and used for spraying steam to the tableware to be washed. According to the invention, at least part of the steam output assembly is arranged on the shelf, so that at least part of the steam output by the steam output assembly can be accurately and directly sprayed to the surface of the tableware to be washed, the cleaning effect of the tableware to be washed is enhanced, the situation that the steam is lost in air is avoided, and the utilization rate of the steam is improved.

This utility model discloses a heat preservation device for flower cultivation, including a heat preservation box. The heat preservation box includes a storage cavity and a water cavity. Water is placed inside the water cavity, and electric heating plates are fixedly connected to both sides of the inner wall of the water cavity. This utility model adopts a structural design in which the heat preservation box has a storage cavity and a water cavity. The water in the water cavity is heated by the electric heating plates. Through the thermal conductivity of water, heat can be evenly transferred to the left, right, top, bottom, and back of the storage cavity, which to a certain extent avoids the problem of uneven local temperature caused by traditional single biological lamp heating. With the heat preservation box and the heat preservation cover plate fixedly connected to the surface of the heat preservation box, a multi-layer heat preservation structure is formed, which can significantly slow down the transfer rate of internal heat to the outside. This device has the advantages of good heat preservation effect, maintaining a suitable internal temperature for a long time, and flexible adjustment of the internal temperature of the device.

The utility model relates to heating device technical field discloses a kind of heating devices for dust collector injection molding production mould, including heating pipeline, the top left side of heating pipeline is fixedly connected with feed barrel, the left side of heating pipeline is fixedly connected with servo motor, the output of servo motor is fixedly connected with helical blade, the outer wall of helical blade is provided with heating jacket, the outer wall of heating jacket is fixedly connected with heat conduction stick, the right end of heating pipeline is provided with structure groove, the inner wall of structure groove is fixedly connected with heating coil, the outer wall of heating pipeline is provided with heat preservation layer. In the utility model, helical blade sends material into heating part, heating jacket and heat conduction stick carry out inner middle layer heating, heating coil heats material outer layer, the heat preservation layer and heat insulation layer of heating pipeline outer wall prevent heat loss, material is injected into mould by discharge port, reduce energy loss, improve safety and heating uniformity, meet demand.

This invention belongs to the field of building-integrated solar energy (BISE) and discloses a multi-stage energy storage Trombe wall with photovoltaic-thermal catalytic coupling and a temperature control method. The Trombe wall includes a wall, a glass partition, a glass exterior wall, an inner ventilation and purification channel, an outer photovoltaic heat exchange channel, an upper vent, a lower vent, an outer vent, a baffle, and photovoltaic panels. The wall and glass partition are equipped with slots. An inner catalytic plate assembly is installed on the glass partition. A thermal catalytic panel is installed on the wall. A serpentine water pipe is installed inside the thermal catalytic panel, and microchannel heat exchange tubes are embedded in the gaps between the serpentine water pipes. The microchannel heat exchange tubes are filled with phase change material. The temperature control method has two modes: a high-temperature summer environment operation mode and a low-temperature winter environment operation mode. This invention integrates multiple functions such as photovoltaic power generation, air purification, ventilation regulation, and phase change energy storage, realizing efficient multi-stage utilization of solar energy and seasonal adaptive operation. This invention is applicable to the building-integrated solar energy industry.

The utility model provides a large gear transmission roller bottom type heating device, and belongs to the technical field of heating furnaces. The large gear transmission roller bottom type heating device comprises a furnace body, heat-resistant cotton, a transmission roller assembly, a supporting base, a first bearing, a supporting beam, a mounting base, a driving shaft, a first connecting shaft, a first bevel gear and a second bevel gear. The multiple second bevel gears are arranged on the outer side of the driving shaft in a sleeving mode at the same time, the multiple second bevel gears are engaged with the multiple first bevel gears correspondingly, so that the driving shaft can drive the multiple second bevel gears to rotate, the second bevel gears can drive the first bevel gears in an engaged mode, and power is provided for rotating the transmission roller assembly; compared with the mode that the multiple transmission roller assemblies are connected with the multiple driving devices correspondingly, the number of the driving devices can be reduced, and then the production cost of products is reduced. The width of the heat-resistant cotton inner wall is set to be 2.7-5m, so that the effective heating width of the product is 2.7-5m.

The utility model discloses an air compressor waste heat recovery pipeline connecting structure, and relates to the field of air compressor accessories. According to the technical scheme, the air compressor waste heat recovery pipeline connecting structure comprises a pipe body, the left end of the pipe body is slidably connected with a first internal thread connecting cap, the right end of the pipe body is slidably connected with a second internal thread connecting cap, and a connector assembly is installed at the right end of the pipe body and comprises a first external thread ring; the first external thread ring is in threaded connection with the second internal thread connecting cap, the right side of the first external thread ring is fixedly connected with a connecting block, a sheath assembly is arranged outside the pipe body, and an inner cavity of the sheath assembly is matched with the outer contour of the connecting block and the outer contour of the second internal thread connecting cap. According to the scheme, the external sheath assembly is arranged, rigid limiting is formed outside the second internal thread connecting cap and the connecting block of the connector assembly, twisting between the second internal thread connecting cap and the connecting block is reduced, damage of internal and external threads to sealing materials is reduced, sealing performance and stability between connectors are guaranteed, waste heat medium loss is reduced, and waste heat recovery efficiency is improved.

This utility model belongs to the field of agricultural machinery and relates to a strawberry seedling transplanter, including a frame, a seedling storage baffle, a horizontal seedling conveying mechanism, a duckbill, and a vertical seedling planting mechanism. The bottom of the seedling storage baffle is hollowed out and is set on the frame. Strawberry seedlings to be transplanted are sequentially and oriented in the seedling storage baffle. The horizontal seedling conveying mechanism is set on the frame and drives the strawberry seedlings to be transplanted to move along the horizontal plane of the frame. The duckbill is placed at the end of the horizontal movement of the strawberry seedlings to be transplanted. The vertical seedling planting mechanism is set on the frame and connected to the duckbill, and the vertical seedling planting mechanism drives the duckbill to move freely in the vertical direction. This utility model provides a strawberry seedling transplanter that can effectively reduce labor intensity, effectively improve work efficiency, and ensure the survival and growth of strawberry seedlings.

The utility model discloses a steam drying cylinder drying machine, including the multiple rows drying cylinder of staggered setting, its characterized in that: drying cylinder sets up in the closed box, every drying cylinder input end connects high pressure steam, and the output end is connected after the drainage of drain valve outlet confluence and inserts the flash tank, the top steam pipe of flash tank is connected after steam injection valve, and the input end of at least with one drying cylinder is connected. The utility model discloses closed box, prevents heat loss, saves energy source, and also is convenient for realizing the control of humidity in the box. Through the reutilization of condensate heat of flash tank, improve the utilization of steam, and great saving heat energy resources. Simultaneously, the drying cylinder drive mechanism of independent setting can set the speed difference according to the shrinkage of fabric, and the tendency of wrinkle caused by stress change in the fabric drying process is relieved.

This utility model discloses a multi-layered, three-dimensional composite turtle and tortoise breeding shed, including walls. A first motor is fixedly connected to one side of the inner side of the wall, and a first rotating rod is fixedly connected to the output end of the first motor. A first shading cloth is wrapped around the outer surface of the first rotating rod. A second motor is fixedly connected to the other side of the inner side of the wall. This multi-layered, three-dimensional composite turtle and tortoise breeding shed, through the arrangement of the first rotating rod, the first shading cloth, the second rotating rod, the connecting rod, and the second shading cloth, allows the second motor to drive the second rotating rod to rotate. The connecting rope, through the hook, causes the first shading cloth to unfold, while the connecting rod causes the first support plate to separate from the second support plate, unfolding the second shading cloth to completely cover the top and sides of the shed, simulating a nighttime environment. The light intensity and shading time can be precisely adjusted as needed to better simulate the natural diurnal rhythm and meet the physiological needs of turtles and tortoises.

This utility model discloses a smart garment with positioning function to prevent people from getting lost. It includes an outer jacket. Two first metal buckles are located on the front inner surface of the jacket, and two second metal buckles are located at each of the two cuffs. A positioning module is located on the inner side of the jacket. First connecting buckles are fixedly installed at the top and bottom of the positioning module, and both first connecting buckles are connected to the first metal buckles. This utility model, through the cooperation of the positioning module and a speaker, allows the garment to use GPS positioning to locate the jacket's position during use. When the jacket's position is detected to be far from the set home location, the positioning module sends information to a smartphone to determine the jacket's current location. The positioning module then sets a home navigation route and broadcasts navigation information through the speaker, allowing the user to move according to the information and preventing them from getting lost.

The utility model discloses a kind of smelting devices for radiation heat insulation sheath production, including bottom plate, the top of bottom plate is provided with processing box, the top of processing box is provided with the horizontal groove of inside and outside through-penetration, the top of processing box is fixedly connected with the structure box that is communicated with horizontal groove, the left side of structure box is fixedly connected with positive and negative motor. The utility model drives screw rod to rotate by positive and negative motor, so that nut seat drives round bar to move left and right, gear on round bar is engaged with toothed plate, not only realize the left and right movement of round bar, also make it produce rotation, to drive stirring frame to carry out complex horizontal reciprocating rotation stirring action, can ensure that material is fully stirred in the transverse area in processing box, avoid material accumulation and stratification phenomenon, improve the uniformity of material mixing, make raw material more fully contact heat source in smelting process, and then realize uniform heating and fusion, significantly improve the stability and consistency of product quality.

This utility model relates to the technical field of air source heat pump water heaters, and in particular to an easy-to-maintain air source heat pump water heater. It includes a water heater body, which comprises a shell. The surface of a water outlet pipe is fixedly connected to the inner wall of the shell. A through hole is formed on the surface of the water outlet pipe. A movable pipe is movably connected to the surface of the water outlet pipe. A connecting ring is fixedly connected to the surface of the movable pipe. A fixed pipe is fixedly connected to the surface of the water outlet pipe. A threaded rod is fixedly connected to the surface of the fixed pipe. A nut is installed on the surface of the connecting ring. A cleaning mechanism is installed on the inner wall of the shell. The cleaning mechanism includes a pipeline pump, the surface of which is fixedly connected to the inner wall of the shell. A seventh connecting pipe is fixedly connected to the output end of the pipeline pump, and an eighth connecting pipe is fixedly connected to the input end of the pipeline pump. This utility model improves the ease of cleaning air source heat pump water heaters.

The application discloses a positioning method of an air-ground cooperative geological exploration system and relates to the technical field of robot communication and navigation, and comprises the following steps: monitoring the satellite positioning signal quality and the communication link state of a ground mobile carrier in real time; when the satellite positioning signal quality is lower than a preset threshold, triggering an air carrier to fly above the ground mobile carrier and establishing a positioning enhancement link for relaying the satellite positioning signal; if the ground mobile carrier restores the autonomous positioning capability through the positioning enhancement link, adjusting the flight state of the air carrier; if the ground mobile carrier still cannot restore the autonomous positioning capability through the positioning enhancement link and the communication link is invalid, the ground mobile carrier autonomously activates an independent beacon module and periodically sends a rescue probe signal to trigger air-ground cooperative search and rescue. The application gives priority to guaranteeing the positioning safety of the ground mobile carrier, secondly guarantees the communication link, and finally supports artificial rescue positioning.

The utility model discloses a workpiece coating and baking device which comprises a support, a supporting table, a moving table, a spraying pipe and an electric heating plate. A driving motor is arranged at the bottom of the supporting table and drives the moving table to rotate through a rotating shaft; second air cylinders are symmetrically installed at the bottom of the moving table, a driving pressing plate and a suction cup can be fixed to the inner side of a to-be-machined workpiece after moving, limiting of the to-be-machined workpiece is achieved, the moving table and the to-be-machined workpiece can rotate under driving of a driving motor, and spraying and baking are conveniently achieved. An electric heating plate is pushed by a first air cylinder to move towards the center, the position relation between a heat source and a workpiece is conveniently adjusted, and stable movement is achieved through matched adjustment of a limiting rod and a rod sleeve; and a material collecting pipe is arranged at the bottom of the inclined surface of the moving table to recover the coating, waste can be reduced when the discharging nozzle releases redundant coating, and cost is reduced. Through combination of rotary spraying and movable heating, the coating uniformity and the baking efficiency are improved, meanwhile, the structure is simplified, and the maintenance cost is reduced.

The utility model discloses an energy-saving ton cylinder tunnel kiln structure for waste gas purification treatment, and particularly relates to the technical field of ceramic firing equipment, which comprises an air inlet pipe and a fuel pipe, a sealing disc, a sealing ring and a rotating roller with an oxygen content sensor at one end, an external handle and an angle scale are arranged in the air inlet pipe, and an operator rotates the handle according to oxygen content feedback. A fuel pipe of the fuel assembly communicates with an air inlet pipe through a communicating window, a baffle disc in the pipe is provided with a feeding window, a bottom driving piece is connected with a spiral plate, the spiral plate and an assembly ring form a spiral channel, and a stirring plate is matched, so that fuel is fully premixed with air before entering a combustion chamber; the premixed combustible mixed gas is fully combusted, flame and temperature are controllable, a stable high-temperature area can be accurately formed in the kiln, heat is concentrated to heat ton cylinders, heat loss is avoided, unit energy consumption is reduced, nitrogen oxide generation is reduced through premixed combustion, waste gas purification burden is relieved, and it is guaranteed that waste gas reaches the standard to be discharged.

The utility model discloses a multifunctional screw extruder which comprises an extruder shell, an extrusion piece is arranged on the right side of the extruder shell, a motor is arranged on the left side of the extruder shell, and raw materials in a feeding bin can be effectively mixed through movement of a stirring shaft and a stirring rod; the temperature controller can accurately monitor and control the temperature of the heating rod, it is ensured that the evenly-mixed raw materials can be heated within a proper temperature range, the influence of overheating or supercooling on the product quality is avoided, the heat preservation plate can provide an additional heat insulation layer, heat dissipation is helped to be prevented, the temperature of the heating plate is more stable, and the service life of the heating plate is prolonged. Meanwhile, the internal temperature of the device is prevented from affecting operation of the motor and the gear, the handheld piece at the top of the heating rod can facilitate detection and maintenance of the device by operators, operation safety is improved, downtime is shortened, heating position adjustment is facilitated, production efficiency and quality are improved, the maintenance process is simplified, and maintenance cost is reduced.

The utility model provides a vertical furnace and processing equipment, vertical furnace, include: the furnace body of bottom opening, be located the boat loading mechanism of a plurality of boat placement position of furnace body below and be equipped with, and drive the motion module of boat loading mechanism up and down movement, motion module drives boat loading mechanism to move up to the closed position of boat loading mechanism and furnace body sealed connection, make the closed cavity in the furnace body, motion module drives boat loading mechanism to move down to the loading position of boat loading mechanism on the bearing boat is located the furnace body bottom outside. The utility model discloses can disposablely send all bearing boats whole into the cavity in the furnace body, and synchronously removes after the process is completed. The structure has dispensed with the complex action chain of traditional rotary type boat loading / boat unloading, makes boat loading mechanism complete the loading and unloading of whole batch battery piece in single stroke, significantly improves operating efficiency and shortens the process cycle, makes whole processing flow more compact, thereby improves production efficiency and reduces energy consumption.

The present application belongs to the technical field of steel metallurgical production, and particularly relates to a pellet-electric furnace cogeneration system and method, wherein the system comprises: a chain grate machine for drying and preheating carbon-containing green pellets; a rotary kiln connected with the chain grate machine for reducing the preheated green pellets to generate metallized pellets and reducing gas; a waste gas utilization device for introducing the reducing gas into the chain grate machine for waste heat utilization, and using the utilized gas as auxiliary fuel for the chain grate machine combustion section and the rotary kiln; and a horizontal continuous charging electric furnace with a scrap steel preheating section communicated with a rotary kiln discharge end, which utilizes high-temperature metallized pellet waste heat and electric furnace flue gas to preheat the scrap steel, and the preheated material is fed into the electric furnace body for smelting. The present application realizes hot-state direct charging of metallized pellets into the electric furnace, avoids heat loss in the cooling and transfer process, significantly reduces electric furnace smelting energy consumption, and improves production efficiency.

The utility model provides a self-closing frame body of a flexible shutter, which comprises a mounting frame body, a shutter body and a controller, the shutter body is arranged in the mounting frame body, the controller is connected with a self-closing structure of the shutter body and controls the self-closing structure to act, an extremely simple external design is adopted, the mounting frame body is directly fixed on a window frame, and the mounting frame body is directly fixed on the window frame. Transmission parts such as a gear, a rack and an electric push rod are all exposed outside, no hidden structure exists, maintenance personnel can rapidly position and replace fault assemblies, maintenance convenience is greatly improved, the shutter body and the controller are connected through the simple rotating rod and the connecting rod, the structure is simplified, complex assembly is reduced, the design meets the rapid reconstruction requirement of a hospital, the wall does not need to be damaged, and cost is reduced. The opening and closing states of the shutters can be visually observed, and the automatic timing closing function is combined, so that energy waste is avoided, the privacy of patients is protected, the hospital sanitary environment requirement is met, and the dust and mosquito invasion risk is effectively reduced.

This invention relates to the field of waste heat recovery technology and discloses a waste heat recovery device for blast furnace slag flushing water, comprising: a separation mechanism capable of separating solid particles from the blast furnace slag flushing water; a heat recovery mechanism capable of recovering and reusing the heat of the liquid wastewater separated by the separation mechanism; and a power reuse mechanism capable of driving the heat recovery mechanism to rotate around a first axis while the separation mechanism is separating solid particles from the blast furnace slag flushing water, thereby reducing the adhesion of the separated solid particles to the heat recovery mechanism. The first axis is perpendicular to the ground. This waste heat recovery device for blast furnace slag flushing water forms a spinning flow field within a first shell through a tangentially arranged first pipe. Utilizing the principle of centrifugal force, the separation and sedimentation of solid slag are completed before the wastewater enters the heat exchange zone. This design avoids heat loss caused by multi-stage filtration and long-distance transportation in traditional technologies, ensuring that high-temperature wastewater can directly exchange heat with the fifth pipe, thus improving recovery efficiency.

The application discloses a barrier-free museum guide user terminal and system. The user terminal comprises: a Braille display module configured to display information in Braille format; a wireless communication module configured to receive unique identification information of corresponding exhibits broadcast by an exhibit signal transmitting terminal; send a data request to a cloud platform and receive Braille format exhibit information issued by the cloud platform; the control module is configured to generate a first data request carrying the unique identification information; receive Braille format exhibit information matched by the cloud platform based on the first data request, and control the Braille display module to output corresponding Braille according to the exhibit information. The application solves the problems of difficulty in listening in a noisy environment, inability to independently backtrack content, and inaccurate information acquisition in the prior art which only supports voice guide.