32results about How to "Reduce burn" patented technology

The utility model relates to the technical field of hair dryer, concretely to a hair dryer preventing the blow nozzle from falling off, including hair dryer head and stabilizing device, one side of hair dryer head is provided with blow nozzle body, the surface of hair dryer head is installed with the handle, the lower surface of handle is installed with circuit, the surface of hair dryer head is provided with stabilizing device, stabilizing device includes connecting sleeve, the surface of connecting sleeve and hair dryer head fixed connection, the surface fixed connection of blow nozzle body has the ring, the surface of ring is provided with two limit hole, ring and the inner wall of connecting sleeve are inserted, the inner wall sliding connection of connecting sleeve has the clamping block, the inner wall of clamping block and limit hole are inserted, the surface fixed connection of clamping block has the push rod, the utility model discloses, through setting stabilizing device, can install blow nozzle stably on hair dryer, and blow nozzle will not suddenly fall off in the use process, reduces the possible accidental injury such as scald or scratch to user, improves the stability effect.

This invention relates to the field of burner technology, specifically a burner for a gas-fired wall-hung boiler, comprising a rear mounting bracket and a venturi tube mounted on its front side. The front side of the venturi tube is connected to the front mounting bracket, and a temporary storage frame is fixed to the front side of the front mounting bracket. A burner head of the venturi tube is mounted above the venturi tube. In this burner, when the rotating rod drives the convex column to rotate, the convex column intermittently applies a downward thrust to the convex block. This causes the convex block to drive the piston assembly to intermittently reciprocate within the gas storage pipe. Therefore, the piston assembly reciprocates to draw gas and air from the main pipe into the gas storage pipe and then discharges the gas and air from the gas storage pipe. This repeated operation allows for thorough pre-mixing of the pre-mixed gas and air, improving the completeness of subsequent combustion, reducing exhaust emissions, and lowering gas consumption, thus achieving excellent energy-saving and gas-saving effects.

The utility model belongs to the field of hemming of metal products, particularly relates to hemming equipment for processing metal products, and aims to solve the problems that a hemming rod is in contact with a product during hemming, a third motor drives a bottom plate to rotate to perform hemming operation on the product, but the hemming rod and the product rub with each other during hemming, certain heat is generated by friction, and the hemming effect is poor. In order to solve the problems that when a product is taken down after hemming is finished, if the product touches the hemming position accidentally, the hands of a person are prone to being scalded, and inconvenience is caused, the following scheme is provided that the hemming device comprises a support and a hemming bar, and a frame body is welded to the top of the support; a second air cylinder and a first air cylinder which are used for adjusting the hemming rod up and down are fixedly arranged on the inner wall of the top of the frame body, a metal product can be clamped and fixed through the clamping mechanism, the hemming rod can be installed and fixed through the fixing mechanism and is convenient to replace, the hemming part of the metal product can be blown and cooled through the cooling mechanism, and the hemming efficiency is improved. And the possibility that the hands of people are scalded is reduced.

This utility model discloses a lithium battery module with an explosion-proof protection structure, including a main body component. The main body component includes a base, connecting rods connected to both ends of the base, a protective shell fixed to the base, and a battery fixedly placed inside the protective shell. A fire extinguishing component includes a base plate threaded to the top of the battery, an L-shaped plate fixed to the base plate, a spring horizontally fixed to the L-shaped plate, a rolling gear connected to the spring, a large gear engaged with the rolling gear, a ball valve fixed to the large gear by a long rod, a fixed shell sleeved outside the ball valve, and a sandbox connected above the fixed shell. A cooling component includes a circulation pipe connected to the connecting rods. This utility model, through its fire extinguishing component, releases a special agent to isolate air and prevent combustion when the lithium battery module begins to burn due to excessive temperature, thus delaying the explosion, buying more time for rescue, and preventing greater economic losses.

This utility model relates to the field of sample drying technology, specifically to an electric heating drying oven, including a box body, a lid, and an adjustment and connection unit. The adjustment and connection unit includes a base frame, an arc-shaped rail, a base, a push rod, a rotating plate, a fixed rod, a stepper motor, a drying component, and a feeding component. In use, a metal plate coated with paint is placed on the feeding component, and the lid is closed using a hinge. The drying component is then activated to heat and dry the interior of the box. After processing, the stepper motor is activated, driving the rotating plate to rotate. Through the linkage of the fixed rod, push rod, and base, the arc-shaped rail slides along the arc-shaped groove, causing the base frame to move out of the box body. The drying component provides high-temperature gas to heat the chamber formed by the box body and lid, ensuring the drying of the metal plate. This method of removing the processed metal plate avoids the need for the testing personnel to reach in to retrieve it, reducing the risk of burns and facilitating operation.

The utility model discloses a kind of shock isolation support with fireproof protection mechanism belong to shock isolation support technical field, the shock isolation support includes lower support plate, fixedly installed in the rubber support of lower support plate top, fixedly installed in the upper support plate of rubber support top, the corrugated protective cover of sleeve setting in rubber support side surface, fixedly installed in the ring of corrugated protective cover top and bottom and fixedly installed in the connecting ring of lower support plate top and upper support plate bottom, slot is opened in connecting ring, ring is inserted in the inside of slot, the side surface of connecting ring is equipped with the clamping groove;Through the cooperation of above each device, the corrugated protective cover can be fixed sleeve in the side surface of rubber support, to isolate high temperature heat source for rubber support, reduce the possibility that rubber support appears burning or damage due to high temperature, simultaneously, the corrugated protective cover can be self-adapting deformation of rubber support under its own characteristics, so that the shock isolation support can keep good shock isolation performance.

The utility model relates to acetic acid rectification energy -conserving separation device technical field, and disclose acetic acid rectification energy -conserving separation device, including rectifying tank, the right side of rectifying tank places the heat preservation box, the outer wall of rectifying tank is penetrated respectively with air inlet pipe and pressure reducing pipe, the one end of air inlet pipe is equipped with igniter in rectifying tank inside, the top of rectifying tank is penetrated respectively with feeding pipe and reflux tube. This acetic acid rectification energy -conserving separation device, through setting up rectifying tank, pressure reducing pipe, gas pipe, reflux tube, heat preservation layer, solenoid pressure reducing valve structure, make the device in the operation process, high temperature and high pressure air will be through the opening of solenoid pressure reducing valve and be arranged into the heat preservation interlayer, thereby guarantee the safety of the device in the operation process, and in the subsequent heating process, high temperature and high pressure air in the heat preservation interlayer is directly arranged into rectifying tank through reflux tube again, to this reduces the combustion and use of carbon monoxide, and further improves the energy -conserving effect of the device.

The application discloses an operating mechanism and a circuit breaker, and relates to the technical field of low-voltage electric appliances. The operating mechanism comprises a control assembly, a rotating assembly and a first auxiliary part which are arranged in a shell; the control assembly and the first auxiliary part are rotationally connected with the rotating assembly; a contact seat of the rotating assembly is fixedly connected with a moving contact in the shell; the first auxiliary part is located on a side of the contact seat which is away from a static contact in the shell; one end of the first auxiliary part is abutting against the contact seat, and the other end is fixedly connected with an elastic part; the control assembly controls the rotating assembly to rotate; the rotating assembly drives the moving contact to approach or be away from the static contact; the moving contact is in contact with the static contact; and the elastic part is in a stretching state. The operating mechanism provided by the application continuously provides the moving contact with the pressure for approaching the static contact in the closing state, and separates the moving contact and the static contact quickly in the opening process, so that the burning of the arc between the moving contact and the static contact is reduced, and the service life of the circuit breaker is prolonged.

The utility model relates to a bearing heating technology for a rotary kiln, and discloses a bearing heater for a rotary kiln, which comprises a heater and a cover, and the heater comprises a heating cavity and an electromagnetic induction heating device; an oil inlet pipe is arranged on the heater, an induction coil of the electromagnetic induction heating device is arranged outside the heating cavity, a transformer is located on one side of the heater and connected with the induction coil, a temperature sensor and a microcontroller are arranged on the heater, the temperature sensor is located on the inner wall of the heating cavity, and a control panel is installed on the heater. The microcontroller is located in the control panel, a monitoring device is arranged in the control panel, an alarm is arranged on the top of the heater and electrically connected with the microcontroller, an automatic power-off device is installed on the heater and electrically connected with the microcontroller, a filter is installed on the heater and connected with an oil outlet pipe, and an oil pump is arranged on the oil outlet pipe. The oil pump is connected with an oil inlet pipe through a circulating oil pipe, and an automatic lifting device is installed at the bottom of the heating cavity and provided with a protective fence.

The utility model belongs to new energy technology field, concretely is a kind of photovoltaic photo-thermal dual-source heat pump hot water system, including PV / T photovoltaic photo-thermal plate, PV / T hot water storage tank, dual-source heat pump unit, hot water tank and PV / T source side circulating water pump, the water outlet of PV / T photovoltaic photo-thermal plate and the water inlet of PV / T hot water storage tank are connected by PV / T heat exchange water pump, the water inlet of PV / T photovoltaic photo-thermal plate is connected with the water outlet of PV / T hot water storage tank, the water outlet of PV / T hot water storage tank and the water inlet of dual-source heat pump unit are connected by PV / T source side circulating water pump, the water outlet of dual-source heat pump unit and the water inlet of hot water tank are connected by hot water circulating water pump.The utility model system combines multiple energy-saving technologies, integrates hot water production and photovoltaic power generation functions into an integrated device, improving the utilization rate of the device. This device has intelligent control, allowing users to control according to their needs, has high degree of intelligence and is easy to operate.

This invention relates to the field of casting production equipment technology, and in particular to a fully automatic casting production equipment, including a conveying base, on which multiple aluminum alloy pot bottom molds are placed, and aluminum alloy pots are placed on the aluminum alloy pot bottom molds. A baffle is slidably fitted on a gantry frame, and a guide pipe is passed through and fixedly connected to the baffle. A gate removal mechanism is slidably fitted on a fixed frame, and a collecting seat is fixedly connected to one outer wall of the baffle. After the aluminum alloy pot is poured and the upper mold is removed, the removal plate is driven by a transmission mechanism to move back and forth, replacing manual removal. This reduces the opportunity for workers to come into contact with high-temperature castings, lowering the risk of burns and other safety hazards. Automated removal reduces the time spent on manual operation, making the casting process more efficient and improving production efficiency. At the same time, under the action of the transmission gear, the distance of the removal plate's progressive descent can be adjusted to maintain the consistency and precision of removal, avoiding unevenness caused by manual operation and ensuring the quality of the castings.

The utility model discloses a kind of baking devices of concave bottom high-fiber flaxseed five black Chinese yam cake, including baking oven, the one end of baking oven is fixedly installed with fixed block, rotatably installed with movable door between the fixed block, the side of baking oven is provided with vertical groove, the inside rotation of vertical groove is installed with threaded rod, the surface of threaded rod is threadedly connected with silk cover, adjusting rod is hinged between the silk cover and movable door, the top of baking oven is fixedly installed with adjusting motor, the output of adjusting motor penetrates baking oven and is fixedly connected with the top of threaded rod, the other side of baking oven is provided with sliding slot, the inside of sliding slot is fixedly installed with round bar.This kind of baking device of concave bottom high-fiber flaxseed five black Chinese yam cake, in the process of daily use, operating personnel starts adjusting motor, the operation of adjusting motor will make threaded rod rotate, and then threaded rod will drive silk cover to slide in the inside of vertical groove.

The application relates to the technical field of circuit breakers, and discloses a small-sized DC circuit breaker which comprises a circuit breaker body, a static contact is arranged on the circuit breaker body, an operating mechanism is rotationally connected to the circuit breaker body, a dynamic contact is arranged on the operating mechanism, a first magnet and a second magnet are arranged on the circuit breaker body, the first magnet and the second magnet have the same magnetism, a first channel for separating the dynamic contact and the static contact is formed between the first magnet and the second magnet, and the first channel can repel an electric arc. The application can form a strong magnetic field region between the first magnet and the second magnet, a strong electric arc generated when the dynamic contact and the static contact are disconnected can be rapidly driven away from a contact gap, and the electric arc can be directionally stretched and cooled along the first channel, so that the electric arc can be effectively prevented from stagnating in the contact region, gathering energy and continuously burning, the degree of burning of a contact surface is reduced, the extinction efficiency of the electric arc is improved, and the breaking capacity, electrical life and working stability of the circuit breaker body are improved.

The invention discloses a plant protection device for agricultural planting, and relates to the technical field of plant protection sprayers, the plant protection device comprises a plant protection sprayer body, a leakage-proof mechanism is arranged on the left side of the plant protection sprayer body, an anti-loosening mechanism is arranged on the left side of the plant protection sprayer body, and the leakage-proof mechanism comprises a leakage-proof unit; the leakage-proof unit is arranged on the left side of the plant protection sprayer body, the leakage-proof unit can reduce the problem that pesticide is scattered outwards in a concentrated mode due to the problems of pipeline aging and the like, the leakage-proof mechanism further comprises an adjusting unit, and the adjusting unit is arranged on the left side of the plant protection sprayer body and can temporarily replace an abnormal pipeline; according to the plant protection device for agricultural planting, by arranging the leakage-proof unit, the adjusting unit and the loosening mechanism, the problem that when the device is used, due to the fact that the pesticide drips to a certain position in a concentrated mode due to unforeseen circumstances, plants are burnt can be effectively solved.

The invention discloses an integrated device and method for removing hardness and COD (Chemical Oxygen Demand) of high-salt-content wastewater, and solves the problems of high construction cost, large occupied area, multiple control points and poor water quality fluctuation adaptability in the existing high-salt-content wastewater softening treatment process. The upper end of the outer bin body is open, and the two first water pumps are arranged outside the outer bin body; two parallel vertical partition plates are arranged in the outer bin body and divide the interior of the outer bin body into three parallel areas, namely a first area located in the middle and two second areas located on the two sides of the first area respectively. A biochemical component is arranged in the first area and is used for removing COD (Chemical Oxygen Demand), ammonia nitrogen, total phosphorus and suspended matters in the to-be-treated high-salinity wastewater; a softening assembly and an oxidizing assembly are arranged in the second area; the softening assembly is used for removing the hardness of calcium and magnesium in the to-be-treated high-salt-content wastewater; and the oxidation assembly is used for removing COD in the to-be-treated high-salt wastewater again.

This invention relates to the field of film resin technology, specifically to an inorganic scattering agent masterbatch and the agricultural film prepared therefrom. The inorganic scattering agent masterbatch is composed of the following raw materials by weight percentage: Iceland spar powder 73%, polymer powder surface treatment agent 1%, EVA resin 16%, polyethylene resin 9%, and POE resin 1%. The agricultural film prepared by adding the inorganic scattering agent masterbatch has a light transmittance of 91% and a haze of 75%. It is environmentally friendly and pollution-free, meeting the application requirements of scattering agricultural film in greenhouses in high-temperature and cold regions during winter. It can effectively solve problems such as excessive sun exposure in greenhouses and fruit shape distortion during the ripening period, achieving requirements such as cooling and uniform coloring, and meeting the needs of farmers to increase production and income.

The utility model discloses a water pipe joint injection mold for semiconductor device cleaning equipment, which comprises a mold base, an injection molding base is fixedly mounted at the top end of the mold base, an injection molding top seat is arranged right above the injection molding base, and a pressing top cover is arranged at the bottom end of the injection molding top seat. Telescopic connecting rods are symmetrically and fixedly installed in the middle of the injection molding base and the middle of the injection molding top base, and an ejection mechanism facilitating ejection of the water pipe connector mold obtained after injection molding is completed is arranged in the mold base. The ejection mechanism comprises a through hole formed in the bottom end of the injection molding base, a cavity formed in the mold base and an empty groove formed in the top end in the cavity and located under the through hole. Through the cam, the connecting roller, the connecting rod and the connecting block which are arranged on the ejection mechanism, the guide-out rod can be driven to automatically eject out the water pipe connector subjected to injection molding, the situation that labor is wasted due to the fact that a worker frequently and manually rotates and removes a screw rod is reduced, and the working convenience of the worker is improved.

The present application relates to cable detection technical field, disclose a kind of special cable pressure resistance detection equipment, including soaking pool, the one side of the soaking pool is fixedly connected with support plate, the top of support plate is fixedly connected with the pressure tester for detecting cable pressure resistance, the inside of soaking pool is installed with cleaning assembly for cleaning its internal impurities;The cleaning assembly includes the sliding connection of the inner wall of soaking pool with arc plate, both ends of arc plate are fixedly connected with the sliding of the inner wall of soaking pool with side plate, the inside bottom of soaking pool is installed with lifting assembly for driving arc plate lifting, the top of arc plate is provided with water leakage hole.The present application solves the problem that the complete degree of cleaning cable pressure detection soaking water is difficult to improve in the prior art, reduces the impurity content in cable soaking water, reduces the influence of dust, solder particles and fine copper wire and other sundries on cable pressure detection, and simultaneously facilitates the problem of centralized collection of impurities.

The utility model provides a kind of easily biodegradable surfactant preparation device.The easily biodegradable surfactant preparation device includes: workbench, the top of the workbench is equipped with adjusting structure, the adjusting structure includes guide rail, the guide rail is fixedly connected with the side edge position of workbench top, the guide rail surface is slidably connected with sliding block, the sliding block top left and right symmetrical fixedly connected with positioning rod, two the positioning rod between slidingly connected with movable element, the rear wall surface of the movable element is fixedly connected with fixed sleeve, the inside of the fixed sleeve is slidably connected with movable rod, the utility model provides a kind of easily biodegradable surfactant preparation device has in the preparation process of using personnel, can substantially reduce the possibility of hindering and injuring operation personnel by alkali mist, water vapor and the liquid splashed in container.

An operating mechanism of a change-over switch comprises a support, an energy storage mechanism, a manual operating mechanism and an automatic operating mechanism. The energy storage mechanism comprises a first energy storage mechanism body, a second energy storage mechanism body and a turnover piece, the turnover piece rotates to drive the first energy storage mechanism body or the second energy storage mechanism body to store energy firstly and releases energy to drive the main shaft to rotate rapidly to switch the position after crossing the balance position, and the support comprises a first side plate and a second side plate which are oppositely arranged in a spaced mode. The first energy storage mechanism, the second energy storage mechanism and the overturning piece are arranged between the first side plate and the second side plate, the main shaft penetrates through the first side plate and the second side plate, the overturning piece is rotationally arranged on the main shaft, and the automatic operation mechanism comprises a first electromagnetic mechanism and a second electromagnetic mechanism; the first electromagnetic mechanism and the second electromagnetic mechanism are symmetrically arranged on the two sides of the lower portion of the overturning piece, the manual operation mechanism comprises a stirring piece, the stirring piece is connected with the overturning piece and rotationally arranged between the first side plate and the second side plate and located above the overturning piece, and the overall structure is compact.

The utility model discloses an energy-saving gas water heater, which relates to the technical field of water heaters and comprises a mounting box, a water inlet valve is connected to one side of the bottom of the mounting box in a penetrating manner, a gas heating device is fixedly connected to the top of the water inlet valve, and a smoke exhaust pipe is fixedly connected to the top of the gas heating device. The bottom of the fuel gas heating device is fixedly connected with a heat preservation pipe. The igniter is started to heat fuel gas at the top of the combustor, the combustion sheets are ignited by the temperature rise of the fuel gas, the combustion sheets are installed at equal intervals, so that the serpentine pipe clamped in the combustion sheets is heated more uniformly by the temperature of outer flame, the serpentine pipe has a three-end heating length, the heating time of tap water in the serpentine pipe is longer, the fuel gas emission can be reduced, and the energy consumption is reduced. Heated water enters the threaded pipe, so that the temperature of the threaded pipe can be kept stable, the temperature of the heated water stored in the heat preservation pipe cannot be reduced, and after the boiled water is used, the heat-preserved water can be discharged for use, and a large amount of cold water does not need to be discharged.

An operating mechanism of a change-over switch comprises an energy storage mechanism, the energy storage mechanism comprises a first energy storage mechanism, a second energy storage mechanism and a turnover piece, the turnover piece is provided with a first arc sliding groove and a second arc sliding groove, and the first energy storage mechanism and the second energy storage mechanism respectively comprise a connecting rod mechanism and an energy storage spring. The connecting rod mechanism comprises a pulling plate and a driven plate, the energy storage spring is connected with one end of the pulling plate, the other end of the pulling plate is hinged to the driven plate through a connecting rod shaft, the driven plate is rotationally arranged and connected with the main shaft, and the connecting rod shafts of the two energy storage mechanisms are installed in a first arc sliding groove and a second arc sliding groove of the overturning piece respectively. When the overturning piece rotates, one of the side walls of the two ends of the first arc sliding groove or the second arc sliding groove drives the corresponding connecting rod shaft to drive the connecting rod mechanism of the first energy storage mechanism or the second energy storage mechanism to move, so that the corresponding energy storage spring stores energy firstly and releases energy after crossing the balance position to drive the connecting rod mechanism to drive the main shaft to rotate. And rapid switching is realized.

This utility model discloses an oil-gas separation device, including a support, a cylinder, a tee pipe, a sponge, a flange blind plate, a flue pipe, a steel pipe, a float, a spiral condenser pipe, and a ball valve. The cylinder is fixed to the support, and a tee pipe is fixedly connected to the top of the cylinder. The tee pipe is filled with sponge, and a flange blind plate is installed at one horizontal end of the tee pipe. The flue pipe is inserted into the cylinder, with its inlet end passing through the cylinder. A steel pipe slides through the cylinder, and a float is fixed to the bottom end of the steel pipe. The float is placed inside the cylinder. A spiral condenser pipe is installed inside the cylinder, sleeved on the outside of the flue pipe. The inlet and outlet of the spiral condenser pipe are fixed to the bottom of the cylinder. A ball valve is installed on one side of the bottom of the cylinder. The advantages of this utility model are: simple structure, effective separation of oil from flue gas for reuse, prevention of oil diffusion into the air, reduction of combustion possibility, and reduction of impact on the surrounding environment.

The utility model belongs to the field of railway vehicles and key parts, and particularly relates to a sliding block hot upsetting forming device which comprises an upper plate and a lower plate, and the lower plate is located below the upper plate. An upper nut, a forming female die, a forming ejector block, a lower cushion block, a lower ejector rod, a forming female die cushion block, a lower die cylinder, an upper cushion block, an upper die cylinder and a forming punch are included, the upper cushion block is arranged at the bottom of the upper plate, the upper nut is arranged at the bottom of the upper cushion block, the forming female die is movably connected to the outer wall of the upper nut, the lower die cylinder is movably connected to the bottom of the lower plate, and the lower ejector rod is arranged on the lower die cylinder. By means of accurate metal volume distribution and flow control, material waste is extremely low, the device is particularly suitable for machining of precious metal or high-cost materials, machining procedures are reduced, energy consumption and material loss are reduced, comprehensive cost benefits are remarkable, manual operation risks are reduced through the automatic process, potential safety hazards such as scalding are reduced through the high-temperature protection design, and production efficiency is improved. And after the product is processed, the consistency of the product can be ensured, and the product quality meets the requirements.

The utility model relates to the field of garment processing equipment, in particular to a plane hot press for regenerated fiber jacket production, which comprises a rack, a hot-pressing platform, a hot-pressing assembly, a conveying part and a cooling part, the hot-pressing platform is arranged on the rack, and a plurality of clothes placing plates are arranged on the hot-pressing platform along the length direction of the rack in a circulating and sliding manner; the hot-pressing assembly is used for hot-pressing the fabric on the clothes placing plate, the conveying part is used for driving the clothes placing plate to circularly slide on the hot-pressing platform, and the cooling part is used for cooling the hot-pressed clothes placing plate. The fabric processing device has the effect of improving the fabric processing efficiency.

This invention relates to the field of phototherapy technology, and more particularly to a method and system for intelligent adjustment and monitoring of phototherapy dose. An initial dose plan is generated based on the initial physiological state information of the skin area to be treated. The area is divided into multiple spatial sub-regions, and baseline tolerance thresholds and conduction coefficients are recorded. The response intensity of each sub-region is monitored in parallel. The cross-influence between adjacent sub-regions is calculated using a diffusion-response coupling equation. A cumulative matrix of cross-influence is constructed and superimposed on the baseline tolerance threshold to obtain the predicted tolerance threshold and remaining tolerance margin. While maintaining a constant overall cumulative energy density, the differentiated light intensity adjustment amount is calculated based on the remaining tolerance margin and then executed. This achieves intelligent and personalized phototherapy dose adjustment, improving treatment safety and effectiveness.

The limiting device comprises a base plate installed on a hot rolling mill body, a sliding groove is formed in the base plate, a two-way lead screw is rotationally connected into the sliding groove, connecting blocks are connected to two sections of rod bodies, opposite in thread turning direction, of the two-way lead screw in a threaded mode, and the connecting blocks are slidably connected into the sliding groove. A limiting plate for limiting the steel plate is arranged on the connecting block, and an operation assembly for driving the bidirectional lead screw to rotate is arranged on the base plate. The effect of improving the rolling quality of the hot mill is achieved.

This utility model discloses a cooking appliance, belonging to the technical field of household appliances, solving the problems of detachable pots being difficult to grasp and the resulting burns. It includes a pot body, an inner pot within the pot body, a steaming box assembly within the inner pot, and a lid within the pot body. The area inside the inner pot below the steaming box assembly is the cooking zone. The steaming box assembly includes a steaming box and a lid. The inner bottom wall of the steaming box is sealed, and the lid covers the steaming box. The steaming box has at least two independent cooking zones, and the steaming box has a handle for the user to remove and place it. This utility model mainly improves the ease of removing the cooking zones, increases the efficiency of user removal, and reduces the possibility of burns during removal.

The invention belongs to the technical field of polyurethane, and discloses a washable weather-resistant flame-retardant waterborne polyurethane finishing agent as well as a preparation method and application thereof. The preparation method comprises the following steps: adding functional additives (modified silicon carbide, a flame retardant, a free radical scavenger, epoxy resin and a chain extender) into a polyurethane prepolymer for reaction; then adding aliphatic diamine to carry out an end capping reaction, adding water to carry out phase inversion, and then adding a polyacrylate emulsion and a plasticizer to carry out emulsification. Through the synergistic interaction of the epoxy resin, the silane coupling agent modified silicon carbide and the polyacrylate, the flame-retardant waterborne polyurethane is endowed with excellent washing resistance.

The invention belongs to the technical field of functional textiles, and relates to a flame-retardant electric heating fabric as well as a preparation method and application thereof. The preparation method comprises the following steps: placing a flame-retardant fabric in a silane coupling agent solution for modification treatment to obtain a modified flame-retardant fabric; dispersing the carbon material in water, and adding copper salt to prepare a mixed dispersion liquid; repeatedly carrying out dipping treatment on the modified flame-retardant fabric in the mixed dispersion liquid, and then drying until the mixed dispersion liquid is completely treated on the modified flame-retardant fabric, so as to obtain a carbon material / copper ion fabric; and placing the carbon material / copper ion fabric in a solution containing a reducing agent to react, so that the conductive material uniformly coats the fibers to form a continuous and complete conductive network, thereby obtaining the flame-retardant electric heating fabric. The flame-retardant electric heating fabric prepared by the invention has excellent conductivity and flame retardance, and can be applied to flexible outdoor heating devices, medical hot compress supplies and flexible heating devices.