18results about How to "Avoid reheating" patented technology

The invention discloses a neodymium-iron-boron magnetic ring forming device, a neodymium-iron-boron magnetic ring and a preparation method of the neodymium-iron-boron magnetic ring. The neodymium iron boron magnetic ring forming device comprises an upper punch, a female die, a lower outer punch and a lower inner punch. The neodymium-iron-boron magnetic ring forming device can complete multiple procedures such as cold pressing, hot pressing, pre-deformation and thermal deformation extrusion at a time, the process complexity is reduced, repeated heating is avoided, and the performance of the thermal deformation neodymium-iron-boron magnetic ring is improved.

This application discloses an integrated method and system for the co-production of MTO methanol and refined methanol, belonging to the field of chemical technology. The co-production method provided by this application includes: feeding crude methanol into a light-duty removal distillation column for pre-distillation treatment to obtain a pre-distillation column bottom component; dividing the pre-distillation column bottom component into two streams, one as the output of MTO methanol and the other as a reprocessed component of the pre-distillation column bottom; feeding the reprocessed component of the pre-distillation column bottom into a refined methanol distillation column for distillation treatment to obtain a distillation column top component and a distillation column bottom component; at least a portion of the distillation column top component is output as refined methanol, and the distillation column bottom component is returned to the light-duty removal distillation column. This application achieves the co-production of refined methanol using only two columns, eliminating the need for additional independent equipment, significantly reducing equipment investment costs, and enabling flexible adjustment of both MTO methanol and refined methanol products, thus possessing broad application prospects in the industrial-grade MTO methanol field.

The utility model relates to the technical field of water treatment, and provides an air cooling granulator which comprises a machine body, a granulation box is arranged on the outer wall of one end of the machine body, a sealing cover is hinged to the outer wall of the top of the granulation box, a discharging pipe is welded to the outer wall of the bottom of the granulation box, and an air cooling mechanism is arranged on the outer wall of the discharging pipe and the outer wall of the sealing cover. The air cooling mechanism comprises a first nozzle and a second nozzle which are fixedly connected to the outer wall of the top of the sealing cover and the outer wall of one end of the discharging pipe correspondingly. According to the utility model, the main air pipe and the branch air pipes form a parallel air path, and are matched with the first electromagnetic valve and the second electromagnetic valve to supply air accurately in different areas, so that synchronous cooling inside and outside the granulation box is realized, secondary heating of materials during discharging is avoided, and uniform solidification of particles is ensured; the ventilation effect is achieved, meanwhile, particles can be effectively prevented from entering, exhaust of damp and hot air in the box is accelerated through the synergistic effect of the exhaust fan and the inclined baffle, and energy consumption is effectively reduced.

The present application relates to waste resource utilization, environmental protection catalytic material and atmospheric pollution control field, disclose a kind of porous ceramic SCR denitration catalyst, the porous ceramic SCR denitration catalyst includes porous ceramic carrier, and active component and promoter supported on the surface of porous ceramic carrier;Wherein, the active component contains lanthanum oxychloride;The promoter contains ytterbium oxide and erbium oxide;Raw material in preparation the porous ceramic carrier contains waste steel slag, attapulgite, activated carbon, nano iron powder and forming agent.The porous ceramic SCR denitration catalyst of the application has higher NO x removal efficiency, low cost, with broad market prospect.

The utility model discloses a smoke exhaust mechanism of a light-burning kiln, which belongs to the technical field of light-burning kilns and comprises a kiln body, a first air extracting pump is fixedly mounted on the side of the kiln body, the input end of the first air extracting pump extends to an inner cavity of the kiln body, and the output end of the first air extracting pump is fixedly connected with a smoke exhaust pipe. The end part of the smoke exhaust pipe is fixedly connected with a filter box, the top of the filter box is provided with a gas storage mechanism, the side part of the filter box is fixedly provided with a three-way valve, and one end of the three-way valve is provided with a smoke treatment mechanism. According to the utility model, the filter screen in the filter box is used for filtering harmful substances in smoke, the servo motor is used for driving the reciprocating screw rod to rotate, the reciprocating screw rod and the scraper blade are matched to drive the scraper blade to reciprocate, and the scraper blade is used for cleaning the harmful substances filtered from the filter screen; and the dust removal box is used for collecting the filtered harmful substances, so that the practicability is good.

The invention discloses a stepped liquid level glass melting furnace device which comprises a melting part, the runner is arranged behind the melting part; the shallow pool working part is fixedly mounted at the outlet end of the flow channel; the slag stopping water ladle is arranged at one end, close to the melting part, of the inner side of the runner; the stirring assembly is arranged on the inner side of the flow channel and behind the slag stopping water bag; the safety flashboard is arranged on the inner side of the flow channel and behind the stirrer; the two flow regulating flashboards are distributed on the inner side of the flow channel in a linear array manner and are positioned between the safety flashboard and the shallow pool working part; the temperature adjusting assemblies are distributed on the top surface and the side surface of the shallow pool working part in a linear array manner. High-quality molten glass on the upper layer of the melting part is directly cooled and formed, molten glass in the working part is thoroughly prevented from flowing back to the melting part, secondary heating of the molten glass is avoided, and glass melting energy consumption is effectively reduced; and meanwhile, the size of a working part is reduced, the material consumption is reduced, the investment is reduced, and the method is suitable for production processes such as float process, calendering and vessels.

The present application relates to the technical field of energy storage battery, in particular to an energy storage battery and a module heat insulation drainage plate and a temperature and pressure collecting line heat insulation structure, the energy storage battery comprises a battery module, the top of the battery module is provided with a module end plate, the module end plate is provided with an electric core explosion-proof valve, further comprising a heat insulation drainage plate, the heat insulation drainage plate covers above the module end plate, the heat insulation drainage plate is provided with a plurality of through holes and the upper surface is covered with a heat insulation sheet, the heat insulation sheet can withstand high temperature above 600 DEG C, further comprising a temperature and pressure collecting line heat insulation structure, the temperature and pressure collecting line is located in the inside of the battery module, the temperature and pressure collecting line heat insulation structure comprises a temperature and pressure collecting line and a heat insulation pipe wrapped outside, the heat insulation pipe can withstand high temperature above 600 DEG C.The present application can isolate the high temperature and high pressure mixed combustible gas liquid outside the module, prevent the high temperature and high pressure mixed combustible gas liquid from falling to the top of the electric core, prevent the secondary heating of the electric core; it can ensure that each conductive wire harness is separated from each other, completely isolate the situation of mutual lap and internal short circuit.

The utility model provides a slag removing device for photovoltaic glass laser drilling, and belongs to the technical field of glass processing equipment. Comprising a plate conveying platform, a laser cutting head and a slag returning conveying belt located on the front side of the laser cutting head, the plate conveying platform comprises a rack and a plurality of conveying rollers rotationally connected to the rack, two transmission rollers located below the conveying rollers are rotationally connected to the rack, the slag returning conveying belt is pulled by the two transmission rollers, and each conveying roller is provided with a belt wheel. One of the conveying rollers is provided with a gear I, one of the transmission rollers is provided with a gear II meshed with the gear I, and the transmission roller with the gear II is connected with a driving motor. The device has the advantages of being capable of automatically cleaning machining slag and the like.

The utility model relates to a medical detection bottle refrigerating device which comprises a plurality of detection bottle racks, each detection bottle rack is internally provided with a containing hole set, each containing hole set comprises a plurality of detection bottle containing holes formed at equal intervals, the upper ends of the detection bottle containing holes sequentially penetrate through the detection bottle containing holes, and air passing holes are formed in the upper ends of the detection bottle containing holes. The two ends of each detection bottle rack are respectively and vertically provided with an air return cavity, and the air return cavities vertically and downwards penetrate through the detection bottle racks to form air return openings. The upper surface of the refrigeration bottom plate is provided with clamping grooves for clamping a plurality of detection bottle racks, the lower surface of the refrigeration bottom plate is provided with a plurality of air inlet fan groups, and a plurality of air return fans are arranged at the positions, corresponding to the air return ports, of the lower surface of the bottom plate; and the refrigerating mechanism comprises two air return ducts which are arranged close to the two air return cavities and communicate with the air return port, an air outlet cavity formed between the two air return ducts, and two heat exchangers. The utility model has the effects that the refrigeration is convenient and timely, and the refrigeration can be carried out in the transportation process.

The invention relates to the technical field of alcohol detector verification, and discloses an alcohol detector verification device which is composed of an air inlet and a heating bin, a movable piston is arranged in the heating bin, the overall appearance of the piston is cylindrical, and the outer wall of the piston is attached to the inner wall of the heating bin in a sealed mode; a piston is arranged in the heating bin, a moving rod is arranged at the end, close to the air inlet, of the piston and used for controlling the piston to move in the heating bin, a cooling water pipe is embedded in the piston, grooves allowing air to pass through are evenly formed in the piston, a right sliding block and a left sliding block are arranged on the two sides of the cooling water pipe, and the left sliding block and the right sliding block are detachably arranged. By arranging the left sliding block and the right sliding block in the piston, internal gas is pushed to be completely exhausted, new standard alcohol gas can pass through, and the situation that measurement is inaccurate due to the fact that the new standard alcohol gas and the old standard alcohol gas are mixed is avoided.

The utility model discloses a steel billet surface polishing device which comprises a polishing platform, a polishing groove, a polishing end and a hydraulic cylinder, the polishing groove is formed in the polishing platform, the polishing end is arranged below the polishing groove, the hydraulic cylinder is arranged below the polishing end, and the steel billet surface polishing device further comprises a telescopic plate and a temperature returning box. According to the steel billet surface grinding device, a motor in the grinding end head drives the end head to rotate, a hydraulic cylinder conveys the grinding end head upwards to grind a steel billet, meanwhile, a heating resistor is started to generate heat to be transmitted to the direction of the steel billet, and a draught fan is started to suck the heat emitted by the steel billet and the heat generated by the heating resistor into an interaction frame; and hot air is heated and discharged from the heating resistor after passing through the interaction frame, so that a heat cycle is formed in the space between the movable plate and the grinding platform, the steel billet is ground in the heat cycle space, and heat loss is slowed down.

The utility model relates to a closed high-voltage ring main unit comprising a cabinet body which can be adjustably placed in a placement area, and a first heat transfer assembly which can transfer heat in a liquid cooling mode is arranged in the cabinet body. One side of the first heat transfer assembly is provided with a porous mounting plate capable of positioning the working position of the electrical equipment in the cabinet body, and a second heat transfer assembly is further arranged in the cabinet cavity space, close to two opposite vertical side edges of the porous mounting plate, of the cabinet body; and the first heat transfer assembly and the second heat transfer assembly are communicated with an external heat dissipation assembly which is arranged on the outer side surface of the cabinet body and can actively and directionally discharge heat through a liquid conveying pipe group, so that a heat transfer circulation loop capable of continuously transferring the heat in the cabinet body is constructed. According to the utility model, dust and steam can be blocked by constructing a closed cabinet cavity environment, and meanwhile, working heat can be continuously and efficiently transferred through the heat transfer circulation loop.

The invention discloses a poultry roasting furnace with an automatic water spraying function, and relates to the technical field of poultry roasting furnaces, the poultry roasting furnace comprises a furnace body shell, two roasting boxes are mounted in the furnace body shell, a partition plate is mounted in each roasting box, a water spraying cavity and a roasting cavity are formed in the two sides of each partition plate respectively, and an atomizing spraying assembly is mounted in each water spraying cavity; baking frames are movably installed in the baking cavities, connecting pipes are installed at the bottom ends of the baking cavities, one ends of the two connecting pipes are jointly connected with a thermodynamic system pipeline, and sealing doors are rotationally connected to the front ends of the baking boxes. The interior of the drying box is divided into the water spraying cavity and the baking cavity through the partition plate, water is treated in the water spraying cavity and automatically blown into the baking cavity, automatic water spraying operation on poultry food in the baking cavity is achieved, manual water spraying is not needed, heat in the baking cavity is effectively prevented from leaking during water spraying operation, and the baking efficiency is improved. Fuel consumption for reheating is avoided, and energy is effectively saved.

The application discloses a special forging forming equipment for an integrated forged valve body of a power station stop valve and a machining process thereof, which comprises a forging table, a first driving seat and a second driving seat, the top of the forging table is provided with an L-shaped fixing seat through bolts, the top of the L-shaped fixing seat is provided with the first driving seat and the second driving seat through the pedestals at both ends, respectively, one side of the first driving seat and the second driving seat is respectively provided with a first servo motor and a second servo motor through mounting seats, and the output shafts of the first servo motor and the second servo motor are connected with lead screws through couplings. In the process of forging, the valve body is cooled down quickly, the burner is used for combustion to have a heat preservation effect on the valve body, the cooling is slowed down, the valve body can be continuously forged, the forged valve body is prevented from being returned to the furnace again, the production process is prevented from being complicated, the forging openings at the two sides of the forging die are used for guiding, and the strength of the two sides of the forging die is improved.

The present invention relates to a fuel system, and in particular to a fuel supplement system for the middle part of a carbon calcining rotary kiln body. The system comprises a rotary kiln body, characterized in that the rotary kiln body passes through the center of an annular fuel tank, an open annular protrusion is provided on the kiln head side end face of the annular fuel tank, a circular annular rotary sealing steel plate is provided inside the annular protrusion, the circular annular rotary sealing steel plate is perpendicular to the axis of the rotary kiln body, a plurality of fixing frames are arranged on the circumference of the rotary kiln body shell, each fixing frame connects the rotary sealing steel plate and the rotary kiln body, the inner wall of the raised part of the annular protrusion is fixed to one end of an annular soft sealing sheet respectively at the upper and lower sides, the other ends of the two annular soft sealing sheets are respectively contacted and sealed with the rotary sealing steel plate, an air outlet is provided on the rotary sealing steel plate, the air outlet extends to the air outlet of the secondary air duct through a fuel gas nozzle, an air pump is provided on the fuel gas nozzle, the kiln tail side end face of the annular fuel tank is provided at the air inlet, and the annular fuel tank is slightly negative pressure.

The vacuum tube bundle brazing device comprises a heating temperature control system and a vacuum system connected with the heating temperature control system, a to-be-welded assembly is placed in the heating temperature control system, and the heating temperature control system comprises a lifting mechanism used for controlling the height of the to-be-welded assembly. According to the brazing device, the heating temperature control system and the lifting mechanism are adopted, so that the height of the to-be-welded assembly can be controlled, the heating temperature control system only heats and welds the to-be-welded part of the to-be-welded assembly, secondary heating of other parts is avoided, and the situation that primary welding of the to-be-welded assembly is not successful, and secondary melting and gas leakage of a welding spot are easily caused during repair welding is prevented; the method is suitable for the technical field of vacuum brazing and is used for brazing and repair welding of thin-wall pipe bundles.

The utility model provides novel continuous carbonization and activation equipment for activated carbon, which relates to the technical field of carbonization and activation and comprises a base, a connecting frame is arranged on the side surface of the base, a pushing handle is fixedly connected to the top end of the connecting frame, four cushion blocks are fixedly connected to the bottom surface of the base, telescopic rods are arranged in the four cushion blocks, and the four cushion blocks are concave. Two connecting blocks are arranged at the top end of the telescopic rod, universal wheels are arranged between the connecting blocks, the connecting blocks are made to move through the telescopic rod, the universal wheels are driven to stretch out of the cushion block, a pushing handle can push the device conveniently, and therefore the situation that in the carrying process, due to the fact that the device is large in size and high in weight, carrying is inconvenient is avoided; the moving time is saved, personnel employment is reduced, the cost is reduced, and the use efficiency is improved.

The utility model relates to a double-screw quick-open type extruder head, which aims at solving the technical problem that the existing extruder head is complicated to disassemble, and adopts the technical scheme that the double-screw quick-open type extruder head comprises an extrusion mechanism, a net changing mechanism, a suspender mechanism and a machine head, the looped network mechanism uses a double-station filter plate which can be switched mutually, the machine heads are movably connected through the suspender mechanism, the machine heads can be removed more conveniently, the machine heads are connected through the suspender mechanism, the machine heads can be removed more conveniently and rapidly, and when a material formula is changed and a thread sleeve combination needs to be adjusted, the machine heads can be removed more conveniently and rapidly. The machine head can be removed more conveniently and rapidly, the screw can be disassembled more conveniently and rapidly, meanwhile, the working temperature of all extrusion parts can be kept, reheating is avoided, and the production efficiency is improved.