274results about How to "Avoid melting" patented technology

The invention belongs to the technical field of sodium ion battery negative electrode materials, and particularly relates to an amylocellulose composite hard carbon material as well as a preparation method and application thereof. Pre-oxidation and pre-carbonization are carried out step by step, the starch cellulose composite hard carbon material is prepared through low-temperature pre-oxidation, a ball milling method, low-temperature pre-carbonization and a high-temperature pyrolysis method in sequence, the obtained starch cellulose composite hard carbon material is used for preparing the negative electrode of the sodium-ion battery, and then the sodium-ion battery is further constructed. An electrochemical performance test result shows that the obtained sodium ion battery has excellent first-circle coulombic efficiency, cycle performance and rate capability; moreover, the preparation method of the starch cellulose composite hard carbon material is simple to operate, can perform a pre-oxidation process in an air atmosphere, does not need additional oxidation treatment, is environment-friendly, can prevent the starch cellulose composite material from melting and foaming in high-temperature pyrolysis, improves the cycling stability of the material, and is suitable for industrial production.

The invention discloses an additive preparation method and application of an aluminum-steel composite material. The additive preparation method comprises the following steps: S1, carrying out laser preheating treatment on an aluminum alloy raw material to obtain an aluminum alloy; and S2, aluminum alloy material increase is conducted on the base material steel plate through a friction stir material increase technology, and the aluminum-steel composite material is obtained. According to the method, solid-phase additive materials are combined with various external source auxiliary process technologies, a laser heat source is introduced in the stirring friction additive material process to preheat the aluminum alloy raw materials, the material softening degree can be well improved, the metal fluidity in the additive material process is improved, heat input needed in the additive material process is reduced, and cracks, air holes and other defects are effectively avoided.

The invention relates to the technical field of circuit board recovery, and discloses a high-precision waste circuit board intelligent identification, disassembly and recovery device, which comprises a heating furnace, a motor, a motor and a control system, the screening box is located on one side of the heating furnace, internally provided with a vibrating screen plate and used for receiving the circuit boards discharged by the heating furnace; the conveying frame is used for receiving and conveying the circuit boards treated by the screening box; and the auxiliary mechanism is installed on one side of the screening box and comprises a first fan and an air inlet frame, the air inlet frame is located on the two sides of the interior of the conveying frame, and the input end of the first fan communicates with the air inlet frame through a first air pipe and is used for conveying heat of the circuit board located in the conveying frame into the screening box to heat falling tin. The waste heat of the waste gas circuit board in the conveying frame can be pumped into the gas pipe I and the gas pipe II through the fan and guided into the screening box again, so that after the heat is in contact with tin, the phenomenon that the tin cannot be discharged due to blockage caused by solidification of the tin in the screening box can be avoided.

The invention belongs to the technical field of CO2 energy storage systems, and particularly provides a low-pressure liquid CO2 storage tank and method for preventing dry ice.The low-pressure liquid CO2 storage tank comprises a tank body, a liquid inlet valve is arranged at an injection port of the tank body, an outlet valve is arranged at an exhaust port of the tank body, a safety valve is arranged on the side wall of the storage tank, and a plurality of phase change coil pipes are arranged in the tank body at intervals in the axial direction of the tank body; and the phase change coil pipe is filled with a phase change material. According to the low-pressure liquid CO2 storage tank and the method, the temperature of CO2 in the storage tank is kept stable as far as possible, so that the liquid CO2 is prevented from forming dry ice.

The invention provides a fusion welding prevention microswitch, and belongs to the technical field of microswitches. Comprising a switch body; the first contact assembly comprises a first contact arm connected to the normally closed terminal of the switch body; the second contact arm is connected to the current input end of the switch body; the second contact assembly comprises a third contact arm which is located between the normally-closed terminal and the first current output end of the normally-closed terminal. The fourth contact arm is located between the normally-open terminal and a second current output terminal of the normally-open terminal; the transduction assembly comprises a first contact end, a second contact end and a capacitor. Through switching of the capacitor between a parallel connection state and a series connection state, buffer protection of instantaneous large current is realized in a normal working state, and contact melting is prevented. And when the contacts are adhered, the contacts are self-repaired through reverse discharge, so that the service life of the microswitch is prolonged.

The invention relates to the field of premixing devices, in particular to a premixing device for anti-corrosion spraying materials, which comprises a feeding mechanism for conveying and heating spraying raw materials; the premixing mechanism is used for expected mixing of spraying raw materials, and the supporting frame is fixedly connected to the outer side of the premixing mechanism; the stirring mechanism is used for performing formal stirring treatment on the spraying raw materials; the standing mechanism is used for carrying out standing defoaming on the mixed spraying material; according to the premixing device for the anti-corrosion spraying material, two different spraying raw materials oppositely impact on a double-head net, at the moment, part of the spraying raw materials penetrate through holes in the double-head net, impact together and then enter a hollow table, and finally the spraying raw materials are discharged downwards through an outlet pipe. And at the moment, the preliminary premixing treatment effect on the two spraying raw materials is achieved.

The utility model discloses a continuous cutting device for candy processing, which belongs to the technical field of candy processing and comprises a frame, a conveying belt is arranged in the frame, a plurality of candy clamps are arranged on the surface of the upper end of the conveying belt, a cooling component is arranged on the surface of the frame and positioned in the conveying belt, and a cutting frame is arranged on one side of the upper end of the frame. According to the candy cutting device, the cooling assembly is arranged, the semiconductor chilling plate is powered on, one side of the semiconductor chilling plate is refrigerated, and therefore the temperature of the conveying belt is reduced, the conveying belt can keep low temperature when the external temperature is high, candy melting is avoided, and the candy processing quality is guaranteed; the cleaning assembly is arranged, the electric telescopic rod pushes the moving plate to move, the scraping piece on the surface of the V-shaped cleaning plate scrapes the cutting blade, the wiping piece further wipes the cutting blade, the cutting blade can be conveniently wiped and cleaned up, the structure is simple, and operation is convenient.

The utility model relates to the field of labels, in particular to an anti-fake self-adhesive label for food, which comprises release paper and a self-adhesive label body, the middle of the top of the release paper is adhered to the bottom of the self-adhesive label body, and the release paper can guarantee that self-adhesive at the bottom of the self-adhesive label body is polluted and damaged. The self-adhesive label body is sequentially provided with a fixing layer, a damp-proof layer, a heat insulation layer, an anti-oxidation layer and an information layer from bottom to top, the damp-proof layer can isolate water vapor and prevent self-adhesive label paper from being wetted, the heat insulation layer can isolate external heat and prevent non-setting adhesive from being melted due to too high temperature and affecting the viscosity of the self-adhesive label, and the anti-oxidation layer can prevent food from being oxidized and prevent food from being damaged. The information layer comprises a base film and a protective film, an image-text label is arranged between the base film and the protective film, image-text information and anti-fake information can be printed, the base film and the protective film are bonded through hot pressing, the image-text label paper is protected, and the protective film can prevent the self-adhesive label from being abraded or torn.

The utility model relates to the technical field of dispersion devices for water-based polyamide wax preparation and production, in particular to a dispersion machine for water-based polyamide wax preparation, which comprises a heat insulation box, a stirring tank is arranged on the heat insulation box, a liquid inlet pipe and an air inlet pipe are arranged on one side of the heat insulation box, and a liquid outlet pipe is arranged on the heat insulation box. An annular pipe is arranged in the heat preservation box, a gas guide pipe is arranged on one side of the heat preservation box and communicates with the annular pipe, a first threaded groove is formed in the top end of the stirring tank, a first threaded ring is arranged on the first threaded groove, and a top cover is arranged on the first threaded ring. The liquid outlet pipe is connected into liquid return equipment to form cooling liquid circulation, and cooling liquid enters the heat preservation box, so that the temperature around the stirring tank is effectively reduced, a proper low-temperature environment is created for dispersion of polyamide wax particles, the melting and agglomeration phenomena of the wax particles are inhibited, and the dispersion efficiency is remarkably improved.

The invention relates to the technical field of constructional engineering surveying and mapping, in particular to a technical surveying and mapping device for constructional engineering. Comprising a base, the base is provided with a surveying instrument, the base is rotationally connected with a plurality of first supporting legs, and cylindrical blind holes are formed in the first supporting legs; the number of the second supporting legs is consistent with that of the first supporting legs, the second supporting legs are detachably connected to the first supporting legs, and the second supporting legs are rotationally connected with two first arc-shaped plates; the number of the sliding rods is consistent with that of the second supporting legs, and the sliding rods are connected to the second supporting legs in a sliding mode; and the number of the extrusion blocks is consistent with that of the sliding rods, and the extrusion blocks are fixedly connected to the sliding rods respectively. According to the surveying and mapping device, when the surveying and mapping device is fixed in a soft soil area, the first arc-shaped plate is adopted to extrude soil, the compaction degree of the soil is increased, an oblique supporting mode is provided, stable supporting force is provided for the first supporting leg and the second supporting leg, the surveying and mapping device operates stably, and the accuracy of surveying and mapping data is ensured.

The invention relates to the technical field of pulverizers, and discloses a waste plastic pulverizer, comprising a box body, a pulverizing roller, and a driving structure. Two or more pulverizing rollers are symmetrically and rotatably installed in the box body. The driving structure is arranged at both ends of the pulverizing rollers and drives the pulverizing rollers to rotate. A cooling chamber and a steam chamber are coaxially provided in the pulverizing roller. The diameter of the cooling chamber is larger than the diameter of the steam chamber. A filter ring that only allows water vapor to pass through is arranged between the cooling chamber and the steam chamber. Pure water is introduced into the cooling chamber. A plurality of nozzles connected to the steam chamber are also arranged on the surface of the pulverizing roller, and a safety valve is arranged on the nozzle. When the surface temperature of the pulverizing roller rises, the pure water in the cooling chamber absorbs heat and evaporates, so that the surface temperature of the pulverizing roller is reduced and maintained within a reasonable range, thereby avoiding equipment damage caused by overheating, and preventing local overheating of the plastic and melting, thereby ensuring the pulverizing quality, and preventing the plastic from being deformed or adhering to the equipment due to high temperature.

The application discloses an environmental protection gas load switch and belongs to the electrical equipment field, which is used to solve the problem of how to inhibit or eliminate the arc generated when the static contact and the moving contact of the load switch are disconnected. The environmental protection gas load switch comprises a shell, a moving contact, an operating mechanism, a first static contact and an arc extinguishing device. The moving contact is rotatably arranged in the interior of the shell, the operating mechanism is used for controlling the rotation of the moving contact, and the first static contact is fixedly arranged in the interior of the shell. The arc extinguishing device comprises a shell body, a rotating arm, a vacuum bubble and a reset spring, the shell body is fixedly arranged on the shell, the rotating arm is rotatably arranged on the shell body and is provided with an electrically conductive part, the electrically conductive part is arranged on the rotating path of the moving contact, the vacuum bubble is arranged on the shell body, and the two ends of the vacuum bubble are electrically connected with the electrically conductive part and the first static contact respectively, and the reset spring is arranged between the rotating arm and the shell body. When the moving contact is disconnected with the first static contact, the moving contact is electrically connected with the electrically conductive part.

The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet with a temperature adjusting function, which comprises a cabinet body provided with electrical components, a temperature monitor, a controller I and an air inlet fan which are electrically connected are arranged in the cabinet body, and a filter screen and a heat dissipation plate which are matched with an air port are arranged in the cabinet body. And a cleaning brush for cleaning the filter screen is arranged on the cabinet body through a moving part. According to the invention, the intercepting plates are installed on the cabinet body, so that the V-shaped intercepting plates can intercept outside rain and snow, and then waterproof protection is carried out on electrical components in the cabinet body; the filter screen is arranged at the bottom of the cabinet body to intercept outside impurities, and the cleaning brush can intercept the impurities on the filter screen through movement of the nut, so that flowing of air in the cabinet body is guaranteed; the driving rack moves upwards through contraction of the output end of the telescopic rod, the rotating shaft drives the abutting rod to abut against the heat dissipation plate when rotating, then the ventilation opening is unfolded, and the air flowing range is further enlarged.

The utility model belongs to the technical field of steam ovens, and particularly relates to a self-cleaning oven which comprises an oven body, a steam system, a lighting system, a heating pipe system and a control system. The steam system comprises a boiler device which is installed on the rear side of the inner container and used for converting water into steam and providing the steam into the inner container to heat food; the boiler device comprises an air inlet pipe leading to the interior of the inner container, an air inlet pipe installation hole is formed in the inner container, the air inlet pipe is arranged in the air inlet pipe installation hole in a penetrating mode, a connecting piece is arranged at the end of the air inlet pipe, and an air inlet pipe sealing piece is arranged between the connecting piece and the side wall of the inner container and made of high-temperature-resistant materials. The connecting piece and the inner container are connected through the air inlet pipe fixing piece, so that the connecting piece enables the air inlet pipe sealing piece to abut against the inner container located on the edge of the air inlet pipe installation hole, the gap between the air inlet pipe and the inner container is sealed, air leakage of the inner container is avoided, the stability of the inner container during working is guaranteed, and normal operation of the steaming oven is guaranteed.

A lightning protection structure of an outdoor tower type meteorological monitoring station relates to the field of meteorological monitoring equipment and is used for improving the safety and stability of a down lead and prolonging the service life of the down lead. The outdoor tower type meteorological monitoring station lightning protection structure comprises a tower type support, a meteorological monitoring element, a lightning arrester, a downlead, a grounding device, a quartz sleeve and a shielding net. A vertical cavity is formed in the middle of the tower-shaped support and penetrates through the tower-shaped support. A plurality of meteorological monitoring elements are arranged, and the meteorological monitoring elements are distributed on the tower-shaped support. The lightning arrester is fixedly arranged on the top of the tower-shaped support and located on the upper side of the vertical cavity. The down lead is electrically connected with the lightning arrester, the down lead is vertically arranged on the tower-shaped support, and the two ends of the down lead penetrate through the vertical cavity; the grounding device is fixedly arranged underground, and the lightning arrester is electrically connected with the grounding device; the quartz sleeve is arranged in the vertical cavity and sleeves the outer side of the down lead; and the shielding net is made of a high-permeability material and is arranged outside the quartz sleeve.

This utility model provides a battery, a battery pack, and a battery device. The battery includes a shell, a cover plate, terminals, and an insulating component. The cover plate covers the opening of the shell to form the outer shell of the battery, and has mounting holes. The terminals pass through the mounting holes, with their end faces exposed. The insulating component is located between the outer periphery of the terminals and the inner edge of the mounting holes, providing insulation for the terminals and the cover plate. The end faces form welding positions for busbar welding. Since the minimum distance d1 between the insulating components and the heat deformation temperature k of the insulating components satisfy 300 mm·℃ ≤ d1*k ≤ 1900 mm·℃, the welding position area and weld length can be guaranteed, ensuring the current carrying capacity of the terminals and busbars, while preventing the insulating components from melting under the residual heat of welding, thereby ensuring the insulation performance of the insulating components.

The utility model relates to the technical field of intelligent street lamps, and discloses an intelligent street lamp protection device which comprises a lampshade, a circuit board installed at the top end of the lampshade, a wiring pipe installed at the top end of the circuit board, an overload protection device installed at the top end of the wiring pipe, a lightning arrester installed at the front end of the upper surface of the circuit board, and a cooling fan installed at the rear end of the upper surface of the circuit board. The vibration sensor is installed on the right side of the upper surface of the circuit board. The lamp holder is installed on the lower surface of the circuit board. The bulb is installed on an output shaft of the lamp holder. The condensation piece is installed in the lampshade. Air flow can be effectively accelerated through the heat dissipation fan, a good heat dissipation effect is provided, heat can be rapidly taken away from the circuit board and the periphery of the bulb by installing the heat dissipation fan on the circuit board, and bulb damage and plastic part melting caused by overheating are prevented.

The invention relates to the technical field of spacecraft ground high-temperature environment tests, in particular to a high-temperature graphite heating device which comprises a supporting frame, a cooling part, an electric connection part, an insulation heat conduction part and a graphite heater. The cooling part is mounted at the top of the support frame; the electric connection part is mounted at the top of the cooling part; the insulating heat conduction part is mounted between the electric connection part and the cooling part; the graphite heater is connected with the electric connection part; and the cooling part is used for cooling the electric connection part so as to reduce the heat transferred to the power supply wire by the electric connection part and prevent the insulation layer of the power supply wire from being damaged and melted, so that the risks of short circuit and open circuit are greatly reduced, and the potential safety hazard is reduced. The insulation heat conduction part has insulation and heat conduction functions, so that heat from the electric connection part can be quickly transmitted to the cooling part, the electric connection part and the cooling part are isolated, the potential of cooling water and a water supply pipeline is no longer the same as that of the graphite heater, and potential safety hazards are further reduced.

The present invention relates to a non-contact high-temperature melt basic physical property measurement device and method, the device includes a temperature control and suspension system, a temperature measurement system, a melt movement and morphology optical measurement system, a fixed-point negative pressure delivery system, and a device frame body platform; the temperature control and suspension system suspends the sample and reaches a preset temperature condition; the temperature measurement system measures the temperature data of the sample; the melt movement and morphology optical measurement system is used for contour imaging of the high-temperature melt, and the density, viscosity coefficient and surface tension coefficient of the sample in the high-temperature melt state are calculated based on the contour imaging; the fixed-point negative pressure delivery system is used to deliver the sample to a predetermined suspension position. The method mainly includes the steps of sample pretreatment, program compilation, system adjustment setting, sample suspension, sample temperature control, excitation loading, sensor measurement, data analysis, sample post-processing, etc. The present invention can measure physical quantities such as high-temperature melt density, viscosity coefficient, surface tension coefficient, etc. through non-contact control and signal acquisition.

The utility model discloses a butterfly valve capable of improving fire resistance, which relates to the technical field of butterfly valves and comprises a valve steel ring, a pipeline is arranged in the middle of the valve steel ring, a mounting seat is arranged at the upper end of the valve steel ring, a butterfly valve body is arranged at the upper end of the mounting seat, and a water storage tank is arranged in the butterfly valve body. Two sets of connecting pipes are arranged at the lower end of the water storage tank, water distribution rings are arranged at the lower ends of the two sets of connecting pipes, connecting rods are arranged in the middles of the water distribution rings, mounting connectors are arranged between the connecting rods and the mounting base, and the connecting rods are detachably connected with the mounting base through the arranged mounting connectors. A plurality of water outlet heads are arranged at the lower end of the water distribution ring, and a sealing soft plug is arranged at the lower end of each water outlet head. According to the butterfly valve with the improved fire resistance, the butterfly valve can be protected in a fire disaster, the situation that the sealing rubber ring in the butterfly valve is melted due to high temperature is avoided, and the fire resistance of the butterfly valve is improved.

The invention relates to the technical field of acrylic plate processing, and discloses a bending machine for acrylic plate production and a bending method thereof, comprising a supporting mechanism, wherein the supporting mechanism also comprises a mounting plate. The invention utilizes the characteristic that the bending position is mostly in an arc shape, and a contact rod and a cooling bag are arranged inside the equipment. When the equipment is bending, a roller contacts the inclined surface of an inclined plate, and forces the sliding square rod to push the cooling bag to contact the bending position of the acrylic plate when the L-shaped pressure plate moves downward, so as to quickly cool down the bending position, and avoid rebound of the bending position and deviation of the bending angle due to the toughness of the acrylic itself after bending. In addition, the invention utilizes the fact that the acrylic plate presents an L shape after processing, and an outfeed plate is arranged inside the equipment. The L-shaped pressure plate is moved upward, and the outfeed plate is driven upward by a pushing frame. In this process, the top of the outfeed plate will drive the bottom of the acrylic plate to move upward, so as to complete the autonomous demoulding of the equipment.

This utility model discloses a dilution tank lid with an additive input mechanism, relating to the field of dilution tank technology. The utility model includes a lid body and an additive input mechanism. A stirrer mounting position is provided at the axial center of the lid body. The additive input mechanism includes an input pipe and a reinforcing beam. The input pipe consists of an outer section, a bent section, and an inner section connected sequentially. The input pipe includes an inner pipe and an outer pipe, with several ribs between them, forming a water-cooling cavity. This utility model, by designing an input pipe with a combined inner and outer pipe, can form a pipeline with circulating water cooling capacity, avoiding the problem of premature softening and melting of the additive due to high temperatures, ensuring the quality of the additive. Simultaneously, the water cooling capacity ensures that the input pipe can extend to the axial region inside the tank, avoiding the area of ​​the cooling coil, optimizing the feeding position, improving mixing efficiency and reaction uniformity, and enhancing the performance of the dilution tank.

In a vehicle headlamp, a projection lens formed of acrylic resin and a lens holder formed of polycarbonate are joined by laser welding. The projection lens is formed to be transparent and has a joining surface. The lens holder is formed to be transparent and has a welding surface for joining the joining surface. Laser light with a wavelength of 1550nm to 1640nm that can pass through the projection lens is irradiated on the welding surface, thereby joining the projection lens and the lens holder to each other.

The invention relates to the technical field of optical fiber illumination, and discloses a flexible optical fiber light guide column illumination system, which comprises an optical fiber bundle, a control box and a light source emission assembly, and is characterized in that an optical splitter, a reflector and a lens are mounted in the control box; the light source emitting assembly comprises a shell, a fan and a laser emitter, the laser emitter is installed in the shell, the emitting end of the laser emitter extends out of the shell, and the fan is installed on the shell and conducts heat dissipation on the laser emitter in the shell; an entrance port is formed in the bottom surface of the control box, and exit ports are formed in the surfaces of the two corresponding sides of the control box; the laser beam emitted by the laser is divided into two groups of branch light beams by the optical splitter, the two groups of branch light beams can be respectively emitted into the end parts of the two groups of adjacent optical fiber bundles through the reflecting mirror, and the end parts of the optical fiber bundles can be prevented from being melted by heat generated by the laser in the use process through the arrangement.

The utility model relates to a plastic product recycling processing crushing device, including crushing frame, install the connecting frame on crushing frame, install the pressing plate under the connecting frame and install the collecting frame under crushing frame, the lower end of pressing plate is fixed with the pressure rod, and the pressing plate is used for pressing down the plastic crushing and prevents the blockage, the upper end mounting of crushing frame has transmission assembly, and transmission assembly is used for driving the pressing plate fast pressing down, and the inside mounting of crushing frame has the crushing blade. The utility model discloses a cylinder connecting piston rod pushes the pressing plate down, and the plastic product is pressed to the crushing blade rapidly, makes it in short time be crushed into small pieces, reduces the stay time of plastic product in crushing cavity, reduces the possibility of material accumulation, and utilizes the forced pressing down of pressing plate, makes the plastic product and crushing blade full contact, avoids the material winding on the blade and forms the blockage, reduces the risk of equipment blockage, improves material handling capacity and processing efficiency.

The utility model discloses a water cooling heat conduction mechanism for laser welding of a battery top cover pole, which comprises heat conduction blocks and a water guide plate which are integrally cut and formed, the heat conduction blocks are symmetrically arranged on two sides of the water guide plate, water storage cavities are arranged in the heat conduction blocks, water guide pipes communicated with the water storage cavities are arranged in the water guide plate, and sealing covers are welded at the bottoms of the heat conduction blocks and the water guide plate. At least one water injection opening is formed in the position, corresponding to the water storage cavity, of the sealing cover, a boss is arranged on the heat conduction block, a pole column groove is formed in the boss, and fixing through holes are symmetrically formed in the heat conduction block. The battery top cover has the advantages that the melting and deformation phenomena of the battery top cover plastic part are avoided, the temperature of the battery top cover is effectively reduced, so that the sealing performance of the battery top cover plastic part is improved, the sealing performance of the battery is improved, the normal and safe use of the battery is ensured, and meanwhile, the heat conduction layer is coated on the upper surface of the pole groove, so that the heat conduction coefficient is increased, and the service life of the battery is prolonged. And the problem that the battery top cover is damaged is also avoided.

The utility model provides a reflection type micro-focus X-ray source composite target material, which comprises a support frame and a base material, the base material is sleeved with a first inner cavity of the support frame to form matching, the base material is provided with a second inner cavity, the side wall of the support frame is provided with a water outlet hole, and cooling water can enter the first inner cavity from the second inner cavity and then is discharged from the water outlet hole; a target material body is arranged on the top of the supporting frame. A layer of diamond is deposited and grown on the upper surface of the target material body, tungsten is sputtered on the outer surface of the diamond, the tungsten is high in melting point, low in steam pressure and high in atomic number, and melting can be prevented even under high heat flux.

The utility model relates to the technical field of material grinding, in particular to resin production and processing grinding equipment which comprises a rack, a guide seat, a cooling box and a liquid pump. A discharge pipe is arranged at the bottom of the grinding barrel. The guide seat is arranged in the grinding barrel, a grinding roller is arranged on the inner side of the guide seat, and a motor A for driving the grinding roller to rotate is arranged on the rack. The cooling box is arranged on the rack, a return pipe is arranged on the cooling box, the other end of the return pipe is inserted into the guide seat, a branch pipe A is arranged on the return pipe, and the other end of the branch pipe A is inserted into the rotating shaft along the bottom of the rotating shaft and communicated with the interior of the grinding roller. The liquid pump is arranged on the rack, a liquid pump pumping pipe is inserted into the cooling box, the other end of a liquid pump liquid outlet pipe is inserted into the rotating shaft along the top end of the rotating shaft and communicated with the interior of the grinding roller, a branch pipe B is arranged on the liquid outlet pipe, and the other end of the branch pipe B is inserted into the guide seat and communicated with the interior of the guide seat. According to the utility model, the guide seat and the grinding roller are cooled, so that the service life of equipment is prolonged, and the grinding efficiency is improved.

The utility model discloses a fracture-resistant thermal insulation wallboard, which relates to the technical field of wallboards for buildings, and comprises an external wallboard, a thermal insulation layer, a concrete layer, a steel wire mesh and bolt bars, a plurality of bolt mounting holes are arranged on the external wallboard, a gap is reserved between the external wallboard and the thermal insulation layer, and a pouring layer is formed in the gap by pouring. The steel wire meshes comprise the first steel wire mesh and the second steel wire mesh, the first steel wire mesh is located in the pouring layer, the second steel wire mesh is located in the concrete layer, and the external wall panel, the pouring layer, the heat preservation layer and the concrete layer are sequentially arranged from left to right. The bolt rod penetrates through the bolt mounting hole, sequentially penetrates through the first steel wire mesh in the pouring layer and the heat preservation layer, then extends into the concrete layer and is connected with the second steel wire mesh. The thermal insulation wallboard is high in internal structural strength, not prone to deformation during use, good in flatness and high in breaking strength, the fixing performance of the bolt rods is higher, the fastening effect on the thermal insulation layer is better, and good flame retardant performance is achieved.