27results about How to "Realize safe production" patented technology

The invention discloses a method for conserving predatory natural enemies in a wheat field by using a functional plant combination, and belongs to the technical field of ecological prevention and control of agricultural pests. According to the method, before wheat is sown, functional plant zones for intercropping cnidium monnieri and broad beans are arranged on ridges and roadsides of a wheat field. The cnidium monnieri and the broad beans are planted in the wheat field system, a nutrient source and a sheltering place can be provided for natural enemy insects, predatory natural enemies such as hoverflies, ladybirds and spiders are attracted to migrate in advance, and the population number of the predatory natural enemies is increased; the predatory natural enemy with conservation of the functional plant formed by combining the cnidium monnieri and the broad beans can enter a wheat field to play a role when the wheat pests occur, and the survivability and the pest control ability of the predatory natural enemy are enhanced, so that the pest population density is controlled, the ecological control effect on the wheat pests is realized, and the pesticide consumption is reduced.

The invention discloses a preparation method of invasive biological compost carbon and application of the invasive biological compost carbon in selenium-rich low-carbon safe production of arsenic-polluted soil. The invasive biological compost carbon is developed by utilizing an invasive plant mikania micrantha and an invasive animal pomacea canaliculata, can be used for planting rice on arsenic-polluted soil, and has the effects of passivating soil arsenic, reducing enrichment of arsenic in each part of the rice and enhancing absorption, transportation and accumulation of selenium. The selenium-rich and low-carbon safe production of crops in the arsenic-polluted soil is realized, and an effective technology is provided for guaranteeing the soil ecological environment and agricultural safe planting. Meanwhile, diffusion and spreading of invasive plants and invasive animals are inhibited to a certain extent, the invasive plants and the invasive animals are recycled, resource waste is reduced, and a new path is provided for prevention and treatment of invasive organisms.

The present invention discloses an irradiation device for producing I‑125 by irradiation, comprising an irradiation container, a connecting conduit and a stopper; the irradiation container is connected to the stopper through the connecting conduit; the stopper and the connecting conduit are respectively fixed relatively to the irradiation container and the stopper to realize the limiting function; the size of the stopper matches the channel opening. The beneficial effects of the present invention are as follows: 1. The irradiation container is limited by the stopper and the connecting conduit, so as to ensure the position of the irradiation container and realize safe production. 2. The stopper includes two layers of a fixed plug and a channel opening plug, which plays a dual fixing role and is safe and reliable. 3. The channel bottom support further ensures that the irradiation device is in the active area, and plays a supporting role to prevent it from hitting the wall and tipping over. 4. The protective sleeve is used to protect the weld, increase the weld strength, and prevent the water in the reactor pool from corroding the weld.

The utility model provides a kind of flat blast furnace casthouse, including the blast furnace and iron tapping channel being arranged in workshop, blast furnace is arranged in the side in workshop, the bottom surface of workshop is inclined downward from the position where blast furnace is arranged, and the gradient does not exceed 1%; iron tapping channel includes the main iron channel being connected in the tapping hole of blast furnace and being inclined downward, and the gradient does not exceed 2%, the end of main iron channel is connected with the branch iron channel being inclined downward, and the gradient does not exceed 2%, the slag channel being inclined downward is connected on main iron channel, and the gradient does not exceed 2%; concrete enclosure structure is arranged in the other side of workshop, main iron channel, slag channel, branch iron channel are arranged in concrete enclosure structure, dust removal device is arranged in tapping hole. The bottom surface of the casthouse of the utility model tends to be flat, greatly reduces the gradient of iron channel and slag channel, makes molten iron flow more stable, smoke dust is blocked in concrete enclosure structure, reduces environmental pollution.

The present invention belongs to the technical field of mobile phone display manufacturing, and in particular, is a fast cooling pressure head on a mobile phone display bonding device, comprising a horizontal fixed bracket, a cylinder is fixedly connected to one side of the top of the horizontal fixed bracket by bolts, a Z-axis mounting bracket is movably connected to the other side of the top of the horizontal fixed bracket, the cylinder is located at the front side of the Z-axis mounting bracket, the bottom side of the Z-axis mounting bracket is fixedly connected to two vertical fixed brackets by bolts, the piston shaft of the cylinder extends to the bottom of the horizontal fixed bracket and is fixedly connected to a heating element, and the heating element is located between the two vertical fixed brackets. The fast cooling pressure head proposed by the present invention has the characteristics of pollution-free rapid heating, rapid cooling, fast and accurate temperature control, and no water seepage or pipe bursting during repeated heating of the pressure head, which solves the problem of poor electronic circuit contact and mechanical connection caused by the material rebounding due to the withdrawal of the pressure head under high temperature during the bonding process of FPC electronic circuits.

The invention belongs to the technical field of coke oven gas purification, and particularly relates to an environment-friendly and efficient oxidation process desulfurization regeneration tail gas treatment system and a method thereof.The system is characterized in that the system is a multi-stage step-by-step washing system and comprises an alkaline washing tower, an acid washing tower and a water washing tower, and a regeneration tail gas inlet pipe is connected to the bottom of the alkaline washing tower; primary washing tail gas at the top of the alkaline washing tower is connected with the bottom of the pickling tower through a pipeline, secondary washing tail gas at the top of the pickling tower is connected with the bottom of the water washing tower through a pipeline, a bleeder is arranged at the top of the water washing tower, the bottom of the bleeder is isolated from the interior of the water washing tower through a partition plate, and an overpressure return pipe is arranged between an outlet of the tail gas fan and the bleeder and provided with a switch valve. And a pressure gauge is arranged on an outlet pipeline of the tail gas fan and is in interlocking control with the switching valve. The method has the beneficial effects that the existing environmental protection standard can be met, ammonia in the tail gas can be recycled, no sewage is discharged, and the method has the characteristics of environmental protection, high efficiency, stable and reliable process and easiness in implementation and popularization.

The invention provides a device and method for continuously and rapidly dredging soft coal seam gas extraction drill hole collapse, and belongs to the technical field of coal seam gas extraction. The device comprises a continuous steel pipe winding mechanism, a continuous steel pipe propelling or retreating power mechanism and an aerodynamic drilling mechanism, and compressed air in a mine compressed air system is adopted as a medium for treating collapsed holes and serves as driving power of a cutting drill bit in the aerodynamic drilling mechanism to repair gas extraction collapsed drill holes in the soft coal seam. And the power mechanism is used for providing power for the continuous steel pipe winding mechanism, the continuous steel pipe propelling or retreating power mechanism and the aerodynamic drilling mechanism. The air power drilling mechanism is adopted for repairing the soft coal seam gas extraction collapse drill hole, the water locking effect can be effectively avoided, the equipment size is reduced, the device is suitable for coal mine underground limited space operation, the coal seam gas extraction rate and utilization rate are increased, and the dual purposes of coal mine safety production and efficient energy utilization are achieved.

The invention relates to the field of metallurgy, and provides a carbonization electric furnace graphite electrode optimized use method which comprises the following steps: S1, feeding a graphite electrode, and drawing a marking line on the graphite electrode; s2, smelting for multiple times, measuring the shape of the graphite electrode under the marking line after each smelting, and calculating the diameter of the graphite electrode according to the shape of the graphite electrode; s3, when the diameter of the graphite electrode reaches an early warning value, the graphite electrode is offline; and S4, cutting off the part, with the diameter reaching the early warning value, of the graphite electrode, carrying out on-line use again, repeating the steps S1 to S3, assembling a section of new graphite electrode for the graphite electrode subjected to secondary cutting, and waiting for on-line use next time. The graphite electrode offline standard can be accurately judged through laser measurement, and errors caused by manual judgment are avoided. And meanwhile, the graphite electrode can be used on line again after being locally cut off, so that the consumption of the graphite electrode can be saved, hard breakage of the electrode can be avoided, and safe production is realized. And the graphite electrode offline standard can be accurately judged.

The utility model provides a transfer mechanism. The transfer mechanism comprises a channel and a transfer mechanism, the tray is movably arranged on the channel; the manipulator is arranged corresponding to the channel; the protection assembly comprises a first trigger part, a detection part and a control part, the first trigger part is arranged on the channel, the detection part is arranged above the channel, the first trigger part is located on the side, away from the manipulator, of the detection part, and the control part is in signal connection with the detection part, the first trigger part and the manipulator; when the tray moves in the channel, the tray can trigger the first trigger piece, the control piece switches the detection piece to a stop state according to a trigger signal of the first trigger piece and controls the mechanical arm to be in an open state, and when a person moves in the channel, the person can trigger the detection piece to start the mechanical arm. The control piece controls the mechanical arm to be switched to the stop state according to a trigger signal of the detection piece. Through the technical scheme provided by the invention, the problem that a manipulator in the related technology may cause harm to people can be solved.

This utility model relates to the field of brushing machine technology, and more specifically, to a rotary brushing machine device with interchangeable single and dual workstations. It includes a frame, a feeding and transferring mechanism, a rotating material tray, a rotating lifting unit, an inner hole brushing unit, a flat brushing unit, and a discharging and transferring mechanism. The frame includes a frame, a cam divider, a speed-regulating motor, a fixed working plate, a display panel fixing plate, and a sealing element. The feeding and transferring mechanism is mounted on the frame, the rotating material tray is rotatably mounted on the fixed working plate, the speed-regulating motor is connected to the cam divider, the cam divider is connected to the rotating material tray, the sealing element is on the fixed working plate, the rotating lifting unit is fixedly mounted inside the frame, and the top of the rotating lifting unit passes through the sealing element and the rotating material tray. Both the inner hole brushing unit and the flat brushing unit are mounted on the fixed working plate, and the discharging and transferring mechanism is fixedly mounted on the frame. This device reduces the labor intensity of operators, saves labor costs, and achieves safe production. This utility model is mainly applied to rotary brushing machines.

The embodiment of the invention relates to the technical field of hazardous chemical substance safety production, and discloses a hazardous chemical substance safety production method based on Beidou grid position codes, and the method comprises the steps: carrying out the Beidou grid division of a map of a hazardous chemical substance production workshop, obtaining a Beidou grid map, endowing each grid unit with a Beidou grid position code, and obtaining a Beidou grid map; establishing a static attribute table and a dynamic attribute table; whether the production station is safe or not is judged based on the data collected by the monitoring sensing equipment, a producer is indicated to leave the unsafe production station, and a maintainer is assigned to conduct overhaul and maintenance; based on the data collected by the wearable health monitoring device, whether the producer is healthy or not is judged, the unhealthy producer is indicated to leave the production station, and a medical worker is assigned to provide medical assistance; and when the yield of the hazardous chemical substances produced at the production station reaches the shipment quantity, shipment is carried out once, and the production station information, the producer information and the Beidou grid position code are marked to the hazardous chemical substances shipped at this time. The method effectively realizes safe production of hazardous chemicals.

The invention relates to a demagnetization device and a demagnetization method for electronic-grade chemical NMP. The demagnetization device comprises a liquid tank, an electric demagnetization component, a waste liquid tank and a delivery pump. The liquid tank and the electric demagnetization component are demagnetized by a delivery pump and a pipeline. The waste liquid tank and the electric demagnetization component are connected by a pipeline for removing magnetic substances after demagnetization. The demagnetization method comprises: (1) demagnetization: in a power-on state, the material is demagnetized by a magnetic medium net and then flows back into the liquid tank for continuous circulation; (2) back-blowing: in a power-on state, the material stops entering, and the nitrogen pressure pushes the material remaining at the bottom of the electric demagnetization cavity into the liquid tank; (3) flushing: in a power-off state, the material stops entering, and NMP enters the cavity to flush the magnetic substances attached to the magnetic medium net under pressure; (4) slag discharge: in a power-off state, the material stops entering, and the nitrogen discharges the magnetic substances after flushing into the waste liquid tank. The invention can improve the purity of NMP to meet the requirements of electronic grade of NMP.

The utility model relates to the technical field of clamps, and discloses a novel pneumatic self-locking clamping mechanism which comprises a first octagonal tube, a second octagonal tube, a third octagonal tube and a fourth octagonal tube which are symmetrical front and back. The third octagonal tube and the fourth octagonal tube are connected with positioning assemblies; the first octagonal pipe and the second octagonal pipe are each connected with a self-locking type pneumatic clamping assembly, a plurality of sets of vacuum adsorption assemblies and a position detection assembly. The front end and the rear end of the bottom of the gripper base are fixedly connected with the top of the first octagonal pipe. A product is adsorbed on the vacuum adsorption assembly through the vacuum adsorption assembly, meanwhile, the product is clamped, fixed and self-locked through the self-locking type pneumatic clamping assembly, clamping force is still provided under the condition that gas is cut off, the product falling risk is reduced through cooperation of the vacuum adsorption assembly and the self-locking type pneumatic clamping assembly, and the use safety is high; the structure is simple, the manufacturing cost is low, installation and debugging are convenient, the operation process is stable, and the failure rate is low.

The present invention relates to the technical field of welding equipment, in particular to a nozzle quick-change mechanism and a welding tool thereof. The nozzle quick-change mechanism can be applicable to all welding tools, and is used to fix the nozzle on the welding tool, and comprises: a fixing member, fixedly mounted on the welding tool; a connecting member, slidably arranged on the fixing member, the nozzle having a bayonet, the connecting member having a hook for cooperating with the bayonet; and an elastic element, which is installed between the connecting member and the fixing member to provide elastic force for the connecting member. The present invention ingeniously uses the connecting member to hook and fix the nozzle on the welding tool under the action of the elastic element, so that the nozzle can be quickly loaded and unloaded on the welding tool by only moving the connecting member, and the entire loading and unloading process of the nozzle is very simple, which greatly improves the work efficiency, and when the nozzle is loaded and unloaded, the manipulated part is far away from the nozzle, which can effectively avoid the situation of scalding the staff during the nozzle disassembly process, thereby achieving safe production.

The invention relates to the technical field of raise construction, in particular to an automatic gravity type raise drilling machine and a large-diameter raise construction method.The automatic gravity type raise drilling machine comprises a drilling machine body, a drilling machine drill rod is installed on the drilling machine body, a puncher is arranged at the bottom of the drilling machine drill rod, and the puncher comprises a drill bit, an upward reaming cutterhead and a downward reaming cutterhead; slag discharging holes are formed in the upward reaming cutterhead from bottom to top, and the downward reaming cutterhead is used for reaming; the reaming device has the technical effects and advantages that reaming operation from top to bottom is adopted in reaming of large-diameter raise construction, the feeding pressure needed by reaming can be met through the weight of the drill rod, energy is saved, consumption is reduced, efficiency is improved, the problem of drill rod breakage accidents caused by heavy loads of the drill rod is solved, and the drilling efficiency of the large-diameter raise construction is improved. Energy-saving, safe and efficient reaming is achieved.

The invention relates to a synthesis system and process for 4-nitro-N-methylphthalimide, which takes N-methylphthalimide and fuming nitric acid as reaction raw materials and concentrated sulfuric acid as a catalyst, and divides the reaction raw materials into two streams of fluid, one stream of fluid is a solution formed by N-methylphthalimide dissolved in concentrated sulfuric acid or halogenated hydrocarbon, the other stream of fluid is mixed acid of fuming nitric acid and concentrated sulfuric acid, and the two streams of fluid enter the microchannel reactor for nitration reaction after being preheated by a preheating system; and finally, staying through a delayed reaction heat removal system, and collecting a reaction product 4-nitro-N-methylphthalimide after heat exchange. Compared with a kettle type process, the continuous automatic production of the 4-nitro-N-methylphthalimide is realized with less investment, and the reaction time is shortened from 3-4 hours to less than 10 minutes while the product yield is ensured, so that the intrinsically safe production of a nitration process is realized.

The crown block girder cleaning vehicle comprises a vehicle body, an air supply assembly and a cleaning piece, the cleaning piece is connected with the air supply assembly, and the cleaning piece comprises a first air guide pipe, a second air guide pipe, a plurality of first air spraying pipes and a plurality of second air spraying pipes; the first gas guide pipe and the second gas guide pipe are both communicated with the gas supply assembly, the first gas guide pipe and the second gas guide pipe are arranged at an included angle, and the multiple first gas ejector pipes are arranged on the first gas guide pipe at intervals and communicated with the first gas guide pipe; and the plurality of second gas ejector pipes are arranged on the second gas guide pipe at intervals and are communicated with the second gas guide pipe. By arranging the first air spraying pipe and the second air spraying pipe which are mounted on the vehicle body and can synchronously act with the vehicle body, the first air spraying pipe and the second air spraying pipe are driven by walking of the vehicle body to clean the girder, and compared with manual cleaning of the girder in the related technology, the cleaning efficiency is higher, and cleaning is safer.

The utility model discloses a flue gas mercury removal system. The flue gas mercury removal system comprises a first mercury removal device, a second mercury removal device and a sedimentation device, the first mercury removal device is provided with a first mercury-containing flue gas inlet, a first mercury-removed flue gas outlet, a first circulating washing liquid inlet and a first circulating washing liquid outlet; the second mercury removal device is provided with a second mercury-containing flue gas inlet, a second mercury-removed flue gas outlet, a demisting device, a mercuric chloride-containing second circulating washing liquid inlet and a mercuric chloride-containing circulating liquid outlet, and the second mercury-containing flue gas inlet is connected with the first mercury-removed flue gas outlet. According to the flue gas mercury removal system, two stages of mercury removal devices are adopted, mercury-containing flue gas can be used for removing mercury chloride in discharged mercurous chloride suspension liquid, zinc powder does not need to be added, hydrogen is effectively prevented from being generated, the risk of explosion is reduced, and therefore safe production of enterprises can be achieved easily, and the production cost is reduced. And the flue gas mercury removal efficiency can be improved.

The invention relates to the technical field of dismounting tools, in particular to a multifunctional pump coiling tool for a vertical fire pump and a using method thereof.The tool comprises a sleeve head, a universal connector and a horizontal rod, the upper end of the sleeve head and the lower end of the universal connector are fixed together, a through hole is formed in the upper end of the universal connector, and the middle of the horizontal rod is arranged in the through hole in a sleeved mode. The device is reasonable and compact in structure and convenient to use, the phenomenon that false information is filled out when the pump is coiled on time due to troubles is eradicated, post staff can coil the pump regularly according to a fire safety management method, and in the subsequent daily inspection process, due to the fact that the pump is coiled on time, the potential safety hazards such as water leakage of a water pump mechanical seal and abnormal pressure are found in time; the water pump is repaired and replaced, it is guaranteed that the water pump works normally in the fire disaster, it is guaranteed that fire-fighting equipment is in a good state all the time, safe production is achieved, and the cost and workload for replacing fan blades are reduced.

The invention relates to a guide and injection integrated structure, an electric field enhanced oil extraction method and a deployment well pattern. The guide and injection integrated structure comprises a shell, an electrode device and a water injection pipe. Holes are formed in the shell wall of the shell to serve as injection points for water to flow into a target oil layer; the electrode device at least comprises an electrode and is arranged in the shell; the water injection pipe penetrates into the shell, and a water injection hole is formed in the pipe wall of the water injection pipe and right faces the injection point. The guide and injection integrated structure can realize simultaneous conduction and water injection of an underground electrode, an electrochemical effect and Joule heat are applied to an underground oil reservoir, and a stratum direct-current electric field is established to influence a rock medium of saturated fluid, so that the electrochemical effect is generated in a stratum; and meanwhile, the direct-current electric field can generate Coulomb force and electric field force which are far greater than differential pressure force in the immediate vicinity of a wellbore, so that the effects of electroosmotic flow, electrowetting, Joule heat, electromigration and the like are generated in a stratum, and the aims of improving the physical property of a reservoir, changing the property of fluid and improving the recovery ratio of the oil reservoir are achieved.

A wind-driven air compressor with an anti-overspeed function relates to the field of wind energy utilization, and in particular to a wind-driven air compressor with an anti-overspeed function, which can generate compressed air using a wind-driven air compressor. The wind turbine comprises a horizontal axis wind turbine, comprising a horizontal axis wind wheel, a main shaft and a bracket, the bracket is rotatably connected to the main shaft, and one end of the main shaft is fixedly connected to the horizontal axis wind wheel; the characteristics are: it also comprises an anti-overspeed device, a speed-increasing transmission device and an air pump, the other end of the main shaft is connected to the air pump through the speed-increasing transmission device, an air pump is installed on the bracket, the bracket is rotatably connected to the upper end of the tower, the air pump is connected to the air storage tank in turn through a pipeline and a pneumatic rotary joint; the inner end of the movable cone sleeve is connected to the main shaft through a tension spring. The wind wheel is driven to rotate by wind power, and the wind wheel drives the air pump to work in turn through the main shaft and the transmission speed-increasing device, so that the safe production of compressed air is achieved without using electricity at all.

The invention discloses a preparation method of an oxazolidine-2, 4-diketone compound, which comprises the following steps: by taking an N-substituted acrylamide substrate as an initial raw material and iodine pentoxide (I2O5) as an oxidant and an iodine source, carrying out heating reaction in an acetone solvent under the promotion of alkali, and preparing a series of oxazolidine-2, 4-diketone compounds at excellent yield. The method has the advantages of mild and simple reaction conditions, economy, cheapness, small environmental pollution, wide substrate universality, high target product yield and the like.

An automatic mold opening and molding equipment includes a support component, a molding component and an adjustment component. The support component includes a support frame, and the molding component includes a bearing plate and a movable cover. The bearing plate is slidably mounted on the support frame, and the movable cover is pivotally connected to one side of the support frame. The adjustment component includes a first movable plate, a first rotating shaft, a second movable plate, a second rotating shaft and a transmission member. The first movable plate is slidably mounted on the top of the support frame, and the first rotating shaft is hinged to one end of the first movable plate. The second movable plate is slidably mounted on the first movable plate, and the second rotating shaft is hinged to the second movable plate. One end of the transmission member is connected to one end of the movable cover, and the other end is connected to the second rotating shaft after passing through the first rotating shaft. The automatic mold opening and molding machine connects the movable cover and the second rotating shaft respectively through the two ends of the transmission member. The second movable plate cooperates with the first movable plate to make the movable cover flip around the support frame, which is convenient for replacing and cleaning the mold and quickly unloading the workpiece. At the same time, the molding is realized by closing the bearing plate and the movable cover, which is convenient to use.

The utility model relates to the technical field of hydraulic seal, specifically disclose a kind of sealing failure detection device, including hydraulic actuator body, its side surface is equipped with shaft seal flange body, the lower end side surface of shaft seal flange body is fixedly connected with installation support plate, the side surface between the side surface of hydraulic actuator body and shaft seal flange body is fixedly installed with actuator seal, the side surface of shaft seal flange body is equipped with installation connecting cavity, the inner wall of installation connecting cavity is fixedly installed with sealing failure probe.The sealing failure detection device is provided with sealing failure probe and failure sensor electronic element, which realizes the identification of equipment seal failure before the leakage of hydraulic oil can be detected outside the equipment, helps equipment user to prevent a trouble in the bud, realizes safe production, identifies risk before risk occurs, helps to realize lean equipment maintenance, thereby effectively saves cost.

The utility model discloses a magnet assembling machine, and aims to solve the problem that the efficiency of the assembling mode is low because the magnet and a silica gel ring of the existing headphone are assembled manually with the assistance of a jig. The assembling machine comprises a divider rotating type station, a rotating shaft feeding assembly and a controller, a magnet installing area, a silica gel ring installing area and a discharging assembly are arranged on the outer side of the divider rotating type station, and magnets and silica gel rings are assembled when the divider rotating type station rotates to the magnet installing area and the silica gel ring installing area. When the automatic feeding device is used, feeding can be automatically completed only by pouring rotating shaft materials into the rotating shaft feeding vibration disc, then the divider rotary station drives the rotating shaft to rotate, and the actions of dispensing, magnet mounting, silica gel ring mounting, magnet polarity detection and discharging are automatically completed, so that the labor intensity of workers is relieved, safe production is effectively achieved, and the production efficiency is improved. And the production efficiency is improved.

The utility model discloses a kind of mine water residue separation automatic blowout preventers, including separation tank, pumping hole, composite blowout preventer and blowout preventer pipe, separation tank is equipped with the screening assembly for separating water and residue, water and residue after being separated by screening assembly are discharged from separation tank, pumping hole is arranged on separation tank, for discharging gas in separation tank, composite blowout preventer is used to guide water and residue into separation tank, blowout preventer pipe realizes airflow intercommunication of separation tank and composite blowout preventer;The mine water residue separation automatic blowout preventer combines two major functions of water and slag automatic separation and gas blowout hole protruding automatic blowout into one, realizes the purpose of safe production, environmental health, reduces labor intensity.

The utility model belongs to the technical field of electrolytic aluminum tanks, and particularly relates to an energy-saving heat preservation tank for an electrolytic aluminum tank, which comprises an electrolytic aluminum box, a lifting assembly and a fixing assembly, a group of material tanks are arranged in the electrolytic aluminum box, a film is arranged between the group of material tanks, a sealing gasket is arranged at the upper end of the electrolytic aluminum box, and a cover plate is arranged at the upper end of the sealing gasket; the lifting assembly comprises a transverse frame, a movable rod, a connecting plate, an electric telescopic rod and an outer shell. The fixing assembly comprises a containing groove, a reset spring, a shifting block and a clamping pin. According to the utility model, the cover plate always has downward pressure through the matching of the bayonet lock and the pin hole in the fixing assembly, so that the condition that the cover plate is jacked up when the air pressure in the electrolytic aluminum box is large is avoided, and the safety production is realized; according to the utility model, the telescopic movement of the electric telescopic rod is converted into the up-and-down movement of the transverse frame, so that electrolyzed water is stirred, the electrolyzed water in the electrolytic aluminum tank is rapidly heated by the heater, the heating efficiency is improved, and the energy consumption is reduced.