57results about How to "Promote fire" patented technology

The invention provides an efficient environment-friendly silicon-based foam extinguishing agent synergistically compounded by a multi-silicon surfactant and a preparation method of the efficient environment-friendly silicon-based foam extinguishing agent. The cleaning agent is prepared from raw materials in percentage by mass as follows: 5%-35% of an ionic silicon surfactant, 5%-35% of a nonionic silicon surfactant, 0.1%-3% of a polysaccharide foam stabilizer, 1%-10% of a cosolvent, 0.1%-10% of a preservative, 1%-10% of an antifreeze agent, 0.1%-5% of a regulator and the balance of deionized water. According to the invention, the ionic silicon surfactant and the nonionic silicon surfactant are compounded for use, hydrophobic and oleophobic tetrasiloxane groups and trisiloxane groups are used as spreading agents of an oil-water interface, and the formula of the foam extinguishing agent only contains the silicon surfactant; the liquid fuel fire extinguishing agent does not contain a forbidden fluorocarbon surfactant and a hydrocarbon surfactant with an oleophylic end, so that the environmental hazard of the fluorocarbon surfactant is completely eradicated, the oleophylic property of the foam fire extinguishing agent is eliminated, and the liquid fuel fire can be extinguished. The invention has positive significance on environment protection, human health protection and sustainable development of foam fire extinguishing technology.

The invention provides a hydrogen-ammonia mixed low-nitrogen combustor, and belongs to the technical field of combustors. The technical problem of gas combustion with hydrogen and ammonia serving as fuel at present is solved, and the problems that due to the fact that the ammonia combustion reaction activity is poor, the hydrogen combustion speed is high, a nozzle is burnt by tempering, and the NOx emission concentration is high are solved. The device comprises a hydrogen introduction pipe, an ammonia gas introduction pipe, a fuel gas mixer, an annular header, ammonia gas branch pipes and ammonia gas nozzles. The hydrogen introducing pipe comprises a central hydrogen pipe and a combustion-supporting hydrogen pipe, the outlet end of the central hydrogen pipe is located in the annular collecting box, the input end of the combustion-supporting hydrogen pipe is connected with the central hydrogen pipe, the output end of the combustion-supporting hydrogen pipe is connected with the fuel gas mixer, and the output end of the ammonia introducing pipe is connected with the fuel gas mixer; the output end of the gas mixer is connected with an annular header, the annular header is connected with a plurality of ammonia branch pipes, the ammonia branch pipes are annularly arranged, and ammonia nozzles are arranged at the outlet ends of the ammonia branch pipes. The device is mainly used for hydrogen-ammonia mixed combustion.

The invention relates to the technical field of fire fighting systems, and discloses an intelligent fire fighting system based on the Internet of Things and artificial intelligence technology, and the system can timely discover fire hazards and perform early warning by monitoring and intelligently analyzing the fire fighting safety of a building in real time, thereby effectively preventing the occurrence of a fire. When a fire occurs, the system can quickly transfer fire extinguishing power and automatically generate and optimize an optimal fire extinguishing and escape strategy, and the escape strategy guides personnel to escape through the guide module, so that the efficiency and safety of fire extinguishing rescue and personnel evacuation are improved; besides, the intelligent fire-fighting monitoring platform provides a visual user interface, supports real-time monitoring and decision-making command of firefighters, and realizes comprehensive control of a fire scene. The limitation of a traditional fire safety means in complex scenes is overcome, intelligence, automation and high efficiency of fire safety work are achieved, and safety is improved.

The utility model discloses an energy storage battery fire-fighting device which comprises a placing cabinet and a fire-fighting box, a motor and an audible and visual alarm are installed on the upper surface of the fire-fighting box, a smoke and fire detector is installed on one side face of the fire-fighting box, a two-way screw rod is installed in the fire-fighting box, an auxiliary gear and a moving block are installed on the peripheral side face of the two-way screw rod, and the moving block is connected with a push-pull rod. A baffle and a discharging plate are connected into the fire-fighting box, and the motor is connected with a main gear. By arranging the two-way screw rod, the moving block, the push-pull rod and the discharging plate, when a battery pack is on fire, the smoke and fire detector detects smoke and fire and transmits an electric signal to the audible and visual alarm and the motor, the audible and visual alarm gives an alarm to remind a worker, the motor drives the two-way screw rod to rotate through meshing between gears, and the discharging plate is arranged on the two-way screw rod. And the two moving blocks move back to back, the moving blocks push the discharging plate downwards through the push-pull rod, so that phosphate slides into the containing cabinet along the discharging plate, fire extinguishing is carried out, and economic losses can be effectively reduced.

According to the sodium-electric single-crystal layered positive electrode material precursor and the preparation method thereof, the sodium-electric single-crystal layered positive electrode material and the sodium-ion battery, high alkalinity is controlled in the coprecipitation process, the pH value is controlled in stages, oxidation is strictly controlled in the reaction process and the aging process, and the sodium-ion battery performance is improved. The secondary particle sphere or sphere-like single crystal precursor with the particle size D50 of 3.5-10.0 mu m and uniformly distributed elements and composed of thick insertion sheet-shaped primary particles can be obtained, ion segregation and generation of fine particles can be well inhibited, subsequent firing of a single crystal positive electrode material is facilitated, the smoothness and roundness of single crystal particles are improved, and the preparation method is simple and convenient to operate. The sintering difficulty of the single-crystal positive electrode material is reduced, the structure and performance of the positive electrode material are improved, and the performance of the sodium ion battery is further improved.

The utility model discloses a steel fireproof door which comprises a fireproof door frame and a steel fireproof door body, the fireproof door frame is connected with the steel fireproof door body through fireproof hinges, a fireproof lock is arranged on the steel fireproof door body, a cavity is formed in the fireproof door frame, a water tank is fixedly arranged on the inner wall of the cavity, and a water outlet is formed in the inner wall of the water tank. A water inlet pipe is fixedly arranged on the right side of the water tank and fixedly connected with the fireproof door frame, the water inlet pipe is connected with an external water pipe, a conveying assembly is arranged on the left side of the water tank, a spray head is arranged on the left side of the water tank through the conveying assembly, and storage assemblies are arranged on the front side and the rear side of the steel fireproof door body correspondingly. A smoke alarm is fixedly arranged on the surface of the fireproof door frame. According to the fireproof steel door, fire burning to the fireproof steel door body can be extinguished conveniently, meanwhile, the fireproof steel door body can be cooled conveniently, and therefore the service life of the fireproof steel door body can be prolonged.

The invention provides a power line monitoring and alarming device, and relates to the technical field of monitoring and alarming. The power line monitoring alarm device comprises an alarm body, the rear sides of the upper end and the lower end of the alarm body are fixedly connected with first fixing rods, the rear ends of the first fixing rods on the upper side and the lower side are fixedly connected with guide blocks, guide rails are arranged on the outer sides of the guide blocks on the upper side and the lower side, and a maintenance unit is arranged on the rear side of the alarm body. The upper side of the alarm body is fixedly connected with an alarm lamp, the front side of the alarm body is fixedly connected with a prompt light bar, and the outer side of the guide block is fixedly connected with a mounting frame. Through the arrangement of the maintenance cover, the guide rail and the conveying wheels, alarming can be conveniently carried out under the condition that a line is locally on fire, the line is moved to the on-fire position for sealing treatment, external air is blocked through a sealing plate, rescue can be conveniently and rapidly carried out, enough time can be conveniently provided for workers before the workers reach the on-fire position of the line, and the situation that the workers miss the maintenance opportunity is avoided.

The utility model relates to the technical field of encoders, and discloses an encoder wire connecting structure which comprises an interface body, an interface female head is fixedly connected to the outer wall of one side of the interface body, an interface sub head is slidably connected to the inner wall of the side face of the interface female head, and an installation mechanism is arranged on the interface sub head. An auxiliary mechanism is arranged on the interface sub-head, the mounting mechanism comprises a positioning opening, the positioning opening is formed in the outer wall of the side, close to the interface female head, of the interface sub-head, a positioning ring is fixedly connected to the outer wall of the side, close to the positioning opening, of the interface female head, and a groove is formed in the outer wall of the top of the interface sub-head; arc-shaped plates are slidably connected to the inner walls of the two sides of the groove, and sliding plates are fixedly connected to the outer walls of the bottoms of the arc-shaped plates. According to the utility model, the positioning ring, the positioning port, the arc-shaped plate and other structures are arranged, so that the plugging ports are rectified and corrected, and the phenomenon that the service life is influenced due to the abrasion of the plugging port core caused by the deviation during plugging is prevented.

The fire extinguishing device for forest resource management and protection comprises a fixing plate, T-shaped sliding grooves are fixedly formed in the two sides of the top end of the fixing plate, a portable mechanism is arranged at the front end of the fixing plate and comprises a back plate fixedly installed at the front end of the fixing plate, and a containing block is fixedly installed on the bottom side of the rear end of the fixing plate. A fire extinguishing mechanism is arranged at the top end of the containing block and comprises a water storage tank installed on one side of the top end of the containing block, an oxygen tank is installed at the end, away from the water storage tank, of the top end of the containing block, and a foam tank is installed at the position, located on the inner side of the water storage tank and the inner side of the oxygen tank, of the top end of the containing block. And then the oxygen valve is opened, oxygen in the oxygen tank is conveyed into the oxygen hose through the oxygen valve, then the oxygen is conveyed into the oxygen mask through the oxygen hose, and then the oxygen in the oxygen mask is used for breathing of people, so that fire extinguishers are prevented from faint due to oxygen deficit in the fire disaster process, and the fire extinguishing efficiency is improved.

The utility model belongs to the technical field of nursing equipment, and discloses a Mongolian medicine tea and wine therapy treatment pad which comprises a water bag fixedly installed on a bed body, a partition layer is arranged in the water bag, the periphery of the partition layer is fixedly connected with the inner wall of the water bag, the water bag is divided into an upper space and a lower space, and the upper space and the lower space are arranged in the partition layer. An upper space formed by the water bag and the interlayer is filled with carbon dioxide gas, a lower space formed by the water bag and the interlayer is filled with water, the upper side and the lower side of the interlayer are respectively provided with a pipeline, and the pipelines are respectively communicated with the corresponding upper space and the corresponding lower space. In addition, the effect of treating fire can be achieved in time in the treatment process, and precautions are taken in advance.

The utility model provides an intelligent charging pile capable of automatically extinguishing fire. The intelligent charging pile comprises an intelligent charging pile body and a side cover installed on the outer wall of one side of the intelligent charging pile body. The fire extinguisher is arranged in the side cover, and a spray pipe of the fire extinguisher is connected with a nozzle pipe; the nozzle pipe penetrates through a side groove formed in the side wall of the intelligent charging pile body, and the nozzle pipe extends into the intelligent charging pile body. The turnover mechanism is arranged in the side cover, and the turnover mechanism is connected with one end of the nozzle pipe and used for driving the nozzle pipe to turn over up and down; the pressing head is arranged above a starting valve of the fire extinguisher, and the pressing head is connected with an electric push rod. Through the arrangement of the overturning mechanism, when the nozzle pipe sprays a fire extinguishing medium into the intelligent charging pile body, the overturning mechanism can continuously drive the nozzle pipe to overturn up and down in a reciprocating mode, the spraying angle of the nozzle pipe in the intelligent charging pile body is changed, and spraying at the upper position and the lower position in the intelligent charging pile body is achieved.

The present invention discloses a fire extinguishing alarm device for a high-voltage switch cabinet, which relates to the field of electrical safety technology. To solve the technical problem that it is difficult for existing detection devices to detect a fire in the first time. A fire extinguishing alarm device for a high-voltage switch cabinet, comprising a mounting plate, the mounting plate is fixedly connected with an electric slide rail, the electric slide rail is slidably connected with a mounting block through a slider, a battery, a control terminal and a buzzer are installed in the mounting block, the control terminal in the mounting block is connected to a remote control terminal through the Internet of Things, and the battery is electrically connected to the switch cabinet and the control terminal, and a flame sensor and a smoke sensor are installed in the mounting block. The present invention drives the flame sensor and the smoke sensor to detect the temperature and smoke in the switch cabinet through the slider of the electric slide rail, so as to avoid the flame sensor and the smoke sensor staying in a corner of the switch cabinet, which makes it difficult to detect the temperature of the switch cabinet and the location of the fire in the first time.

This invention belongs to the field of sports training equipment and discloses a ping-pong ball distribution and delivery mechanism, which makes the ball distribution and delivery smooth and thus greatly improves the user experience. It includes a ball delivery channel and a ball delivery crank. The ball delivery channel extends vertically downwards or inclined downwards, and the passage area of ​​the ball delivery channel is larger than the large circle of the training ping-pong ball. The ball delivery crank is vertically rotatable relative to the ball delivery channel. Two ball-blocking protrusions are formed on the ball delivery crank. Both ball-blocking protrusions extend horizontally and are located inside the ball delivery channel. The plane containing the extension axis of the two ball-blocking protrusions is inclined relative to the extension direction of the ball delivery channel, and the vertical spacing of the two ball-blocking protrusions matches the diameter of the training ping-pong ball. The maximum distance between the edges of the two ball-blocking protrusions and the inner wall of the ball delivery channel is respectively used as the first ball-passing distance and the second ball-passing distance. The first ball-passing distance and the second ball-passing distance are respectively greater than and less than the diameter of the training ping-pong ball.

The invention discloses a W-flame boiler wide-load adjusting coal pulverizing system which comprises a plurality of coal mills communicated with a W-flame boiler, each coal mill is provided with a plurality of coal milling outlets, each coal milling outlet is connected with a large pulverized coal pipeline, and each coal milling outlet is provided with a coal mill outlet insertion plate door. A plurality of large pulverized coal pipelines are arranged in the W flame boiler hearth, a pulverized coal distributor is further arranged at an outlet of each large pulverized coal pipeline, each pulverized coal distributor is connected with two small pulverized coal pipelines, each small pulverized coal pipeline is connected with a burner, and the small pulverized coal pipelines communicated with the coal mill are connected with the two sides of the W flame boiler hearth respectively. And the small pulverized coal pipelines on each coal mill are sequentially and alternately connected with the W flame boiler hearth one by one in the arrangement direction of the multiple coal mills. According to the method, the water cooling wall tension fracture caused by thermal load deviation can be effectively avoided, stable combustion of the whole hearth is achieved, the lowest stable combustion load without oil of low volatile coal types is smaller than 25%, and the wide load adjusting capacity of a boiler unit is greatly improved.

The invention discloses a high-rise building fire-fighting and life-saving multifunctional device capable of self-locking and staying at any position, and belongs to the technical field of fire-fighting and life-saving devices. The device comprises a rescue capsule, a transmission device, a stand column and a hand-cranking device, the stand column is fixedly erected on the ground, the rescue capsule is installed on the stand column and can freely move in the axial direction of the stand column, the transmission device is installed at the bottom of the rescue capsule, the transmission device is connected with the center stand column, and the hand-cranking device is connected with the center stand column. The hand-cranking device is installed on the transmission device, the transmission device achieves vertical movement and stop at any position of the rescue capsule through gear transmission, self-locking and stop of the device are achieved through worm and gear transmission, efficiency is high, controllability is good, and the device is suitable for various high-rise fire fighting and lifesaving applications.

The invention discloses uninterrupted automatic power distribution equipment which comprises a power distribution box, a heat dissipation mechanism and a fire extinguishing mechanism. The heat dissipation mechanism comprises fixing columns, sliding grooves, a mounting frame, a lead screw, an exhaust plate and a heat dissipation fan, the fixing columns are fixedly connected to the left side and the right side of the rear side in the distribution box, the sliding grooves are formed in the sides, close to the center of the distribution box, of the fixing columns, the mounting frame is slidably connected between the two sliding grooves, and the lead screw is rotatably connected into the sliding groove in the right side. The right end of the mounting frame is in threaded connection with the lead screw, uniformly distributed heat dissipation fans are arranged in the mounting frame, and uniformly distributed exhaust plates are arranged on the rear side surface of the distribution box; according to the uninterrupted automatic power distribution equipment, sufficient heat dissipation is carried out on the interior of the power distribution box through the heat dissipation mechanism, the heat dissipation efficiency is high, fire disasters are monitored and extinguished through the fire extinguishing mechanism, the operation is very fast, and losses are reduced.

The utility model discloses an inspection tour type garden fire alarm device which comprises a lifting rod, a movable frame is fixedly installed at the lower end of the lifting rod, a supporting rod is fixedly installed at the upper end of the lifting rod, and a control box is fixedly installed on the outer side, close to the lower end, of the supporting rod. A camera is fixedly installed at the position, close to the upper end, of the outer side of the supporting rod, a solar panel is fixedly installed at the position, located between the control box and the camera, of the outer side of the supporting rod, an alarm lamp is fixedly installed at the upper end of the supporting rod, and the lifting rod comprises a supporting base, a supporting pipe, an embedded pipe, a rubber pipe sleeve and a handle. According to the garden fire-fighting alarm device capable of being patrolled, the view field monitored by the garden fire-fighting alarm device capable of being patrolled can be adjusted through the lifting rod, fire fighting of gardens is facilitated, the garden fire-fighting alarm device capable of being patrolled can automatically patroll the gardens through the movable frame, fire fighting alarm is facilitated, dismounting and replacing can be carried out, and the garden fire-fighting alarm device capable of being patrolled is convenient to use. And later maintenance is facilitated.

The utility model relates to electrical circuit installation technical field, concretely is a kind of electrical circuit installation equipment, including support frame, the lower surface of support frame is placed with enclosed plate, the upper surface of support frame is provided with safety device, and safety device includes water storage box, and water storage box is fixedly connected with the upper surface of support frame, and the inside of water storage box is provided with water storage groove, and the inside fixedly connected with guide plate of water storage groove, the surface fixedly connected with enclosed sleeve of guide plate, and enclosed sleeve is fixedly connected with the inside of water storage groove, and the inside rotationally connected with rotating rod of enclosed sleeve, and the both ends of rotating rod are rotationally connected with the inside of water storage box, and the outer surface of rotating rod is provided with water guide groove, and one side of water storage box is fixedly connected with driver.The utility model, by setting safety device, can effectively facilitate worker to extinguish fire to the electrical circuit inside support frame, avoids the need to disassemble enclosed plate when worker extinguishes fire, and further improves the safety of electrical circuit installation equipment.

The embodiment of the utility model relates to an assembly type boiler air pre-heater anti-blocking device, and belongs to the technical field of boiler environmental protection. The assembled boiler air pre-heater anti-blocking device comprises a reheat steam main pipe, the reheat steam main pipe is sequentially connected with a primary air bellow and a primary air main pipe, and first reheaters are arranged in the primary air bellow and the primary air main pipe; the primary air mother pipe is connected with an air feeder, a second reheater is arranged in an outlet air box of the air feeder, the air feeder is further connected with a body drain flash tank of the steam turbine, and the body drain flash tank is connected with a condenser. According to the anti-blocking device provided by the embodiment of the invention, the air pre-heater is prevented from being blocked by ammonium hydrogen sulfate, the differential pressure of the air pre-heater is controlled, the input rate of a soot blower is reduced, steam is saved, and the service life of the air pre-heater is prolonged.

The present application relates to the technical field of boiler combustion and discloses a multi-stage coal powder burner, which comprises an outer combustion cylinder, an inner combustion cylinder, an adjuster and a combustion stabilizer, the inner combustion cylinder is arranged inside the outer combustion cylinder, a channel is formed between the outer combustion cylinder and the inner combustion cylinder, the adjuster is connected with the outer combustion cylinder, the adjuster is used for guiding mixed gas flow, the mixed gas flow can be divided into a first-stage gas flow flowing through the inner combustion cylinder and a second-stage gas flow flowing through the channel, the adjuster is used for adjusting the flow of the first-stage gas flow and the second-stage gas flow, the combustion stabilizer is connected with the inner combustion cylinder, the combustion stabilizer is provided with a flame spout, the flame spout is arranged in the inner combustion cylinder and is used for spouting a flame to ignite the first-stage gas flow and the second-stage gas flow step by step. The multi-stage coal powder burner of the present application can adapt to different coal types to realize rapid ignition and stable and sufficient combustion.

The bag type foam fire extinguisher comprises a fire extinguisher body, and the fire extinguisher body comprises a first cabin, a second cabin and an extrusion opening; the extrusion opening is located between the first cabin and the second cabin; the first cabin is used for storing a first solution, and the second cabin is used for storing a second solution; and when being extruded, the first solution in the first cabin enters the second cabin through the extrusion port to react with the second solution so as to generate carbon dioxide and foam. The fire extinguishing device is simple and convenient to use, low in cost, low in physical output and capable of effectively extinguishing fire in time.

The invention discloses a switch cabinet safety protection mechanism and a switch cabinet, and relates to the technical field of electrical equipment, the switch cabinet safety protection mechanism comprises a door locking assembly, the door locking assembly has an unlocking state and a closing state; the grounding connection assembly is arranged on the inner wall of the cabinet body, when the door locking assembly is in an unlocking state, the grounding connection assembly is in a closed state, and when the door locking assembly is in a closed state, the grounding connection assembly is in a disconnected state; and the driving assembly is arranged on the cabinet door, and the driving assembly is used for switching the door locking assembly from the closed state to the unlocking state and switching the grounding connection assembly to the closed state. When a fire occurs in the switch cabinet, under the cooperation of the trigger assembly and the driving assembly, the grounding connection assembly can be automatically switched to the closed state, and the cabinet door is opened by using the driving assembly, so that the situation that the cabinet door of the switch cabinet is inconvenient to open by a worker can be avoided, and fire extinguishing can be facilitated.

The utility model discloses a fire extinguishing device for a spontaneous combustion accident of a new energy automobile, which belongs to the technical field of new energy automobiles, and is characterized by comprising a battery pack structure and a fire extinguishing system, the inner wall of the battery pack structure is bolted with a fire extinguishing box, and the two sides of the fire extinguishing box are bolted with detection plates; a control valve is arranged at the top of the fire extinguishing box, a spraying block is arranged at the top of the fire extinguishing box, a blocking block is clamped to the inner wall of the spraying block, the fire extinguishing system comprises a monitoring module, a control terminal and a fire extinguishing module, and the input end of the fire extinguishing system is electrically connected with a power supply module in a one-way mode. The problems that most of existing new energy automobiles are not provided with rapid fire extinguishing devices, and after a battery pack of the new energy automobile is swelled and spontaneously ignited, the situation of rapid combustion of the new energy automobile is easily caused when the site is not treated in time, so that serious economic loss is generated, and the use effect is affected are solved.

The present invention discloses an automatic towing system in a dynamic hub rotating test of a new energy vehicle, and the present invention relates to the technical field of automatic towing systems, comprising: a towing assembly, rails and a safe house assembly. When an emergency occurs in an environmental chamber, the vehicle can be transported to the safe house assembly for corresponding treatment, thereby reducing vehicle losses and the risk of dangerous accidents. When an emergency occurs in the environmental chamber, the towing assembly lifts the trolley and moves it above a lifting support plate, and at this time, an electric lifting cylinder is started, so that the electric lifting cylinder drives the lifting support plate and the trolley to descend to the interior of a safety house body, and then the upper end of the safety house body is sealed by a sealing cover, thereby achieving the purpose of safely storing the trolley and avoiding accidents.

The utility model discloses a fireproofing and fire extinguishing device for access equipment, which relates to the technical field of fireproofing and fire extinguishing and comprises a fire extinguishing box, a standby water tank is arranged above the fire extinguishing box, a movable door is arranged on one side of the fire extinguishing box, a water conveying pipe is connected to one side of the standby water tank, and a water pump is connected to the water conveying pipe. A water tank interlayer is arranged on the inner side of the fire extinguishing box, a reinforcing partition plate is arranged in the water tank interlayer, water spraying openings are formed in the front side and the rear side of the fire extinguishing box, springs are installed in the water spraying openings, and movable plates are connected to the inner sides of the springs; and a sealing ring is mounted on the inner side of the movable plate. The water spraying area can be enlarged, fire extinguishing and fire prevention can be better carried out, meanwhile, the leakproofness of the device can be kept, and textiles stored in the device are prevented from being stained and damaged.

The invention relates to the technical field of sanitary ware, and discloses equipment for manufacturing ceramic sanitary ware, which comprises a box body, one side of the box body is provided with a feeding hole, the inner wall of the feeding hole is fixedly connected with a feeding plate, and the box body is provided with a crushing mechanism; the crushing mechanism comprises a hydraulic cylinder, a moving frame, a moving groove, a moving block, a crushing plate, a pointed cone, a first motor, a swinging frame, a spring and a pressing plate; and the hydraulic cylinder is fixedly mounted at the top of the inner wall of the box body. According to the ceramic raw material grinding device, the hydraulic cylinder is arranged to drive the pointed cone to move in a reciprocating mode, ceramic raw materials are crushed, grinding of the ceramic raw materials is facilitated, the grinding efficiency is improved, the position of the pointed cone can be adjusted by arranging the first motor, the swing frame, the spring, the pressing plate, the moving block and the crushing plate, and therefore the pointed cone can make better contact with the ceramic raw materials; and therefore, the ceramic raw materials are crushed more thoroughly, the fineness of the ceramic raw materials is improved, and subsequent ceramic firing is facilitated.

The invention relates to the technical field of cement-based building materials, in particular to a low-calcium clinker and a preparation method thereof.The low-calcium clinker is prepared by conducting dealkalization treatment on red mud to obtain dealkalized red mud, preparing raw materials from the dealkalized red mud, carbide slag, fly ash and coal gangue and then conducting calcination to prepare the low-calcium clinker, and meanwhile high-grade recycling of regenerated iron can be achieved.

The utility model discloses a large-flow multifunctional fire-fighting foam gun which comprises a mounting plate, supporting plates are symmetrically and fixedly connected to the upper end of the mounting plate, a fixing plate is fixedly connected to the upper ends of the supporting plates, a rotating disc is rotationally connected to the surface of the fixing plate, and vertical plates are symmetrically and fixedly connected to the upper end of the rotating disc. A large-flow fire-fighting foam gun body is rotatably connected between the two vertical plates, a spray head is arranged on one side of the large-flow fire-fighting foam gun body, a lifting assembly is fixedly connected to the upper end of the mounting plate, a lifting block is fixedly connected to the upper end of the lifting assembly, and a supporting seat is fixedly connected to the upper end of the lifting block. By arranging the lifting assembly, the lifting block and the supporting base are driven to move downwards, when a low position is extinguished, the fire-fighting foam gun can rotate downwards conveniently, and fire extinguishing is convenient.

The invention relates to the technical field of new energy automobile charging piles, in particular to a new energy automobile charging pile fireproof device which comprises a charging pile body, a charging head is arranged on one side of the charging pile body, a shell is fixedly installed at the bottom of the side face of the charging pile body, and a fireproof cut-off mechanism is arranged in the shell. An air blowing mechanism used for cleaning the charging head is arranged above the shell, the input end of the charging head is connected with a charging wire, and the input end of the charging wire penetrates through the shell and the side face of the charging pile body; in the process that the extending end of an electric push rod extends to the longest, a transmission rod rotates to extrude a thrust spring, so that the thrust spring provides rotating thrust for a turnover rod, when a cutting knife cuts off a charging wire, the turnover rod drives a clamping tool to transversely move, the cut-off charging wire is made to be away from a cutting base in time, and the cutting efficiency is improved. And damage to the charging pile body caused by heat on the cut-off charging wire is avoided, then the cut-off charging wire is extinguished, and the electric shock condition is avoided.