50results about How to "Reduce fugitive" patented technology

The utility model discloses a bottom-out type aluminum bar mould furnace, which belongs to the technical field of heating furnaces and comprises an upper furnace body and a bottom moving-out mechanism, a heating cavity is arranged in the upper furnace body, a high-frequency electric heating tube is arranged in the heating cavity, and the bottom moving-out mechanism is arranged below the heating cavity and comprises a bottom groove. A set of transversely-arranged sliding rails are arranged in the bottom groove, and a lifting moving frame is arranged on the sliding rails. Feeding and discharging of the heating furnace are conducted through the discharging port in the bottom, heat dissipation in the whole process is little, energy consumption of the heating furnace is reduced, meanwhile, automatic feeding, heating and sliding discharging are achieved through the lifting moving frame, the equipment automation degree is high, the operation efficiency is high, the high-speed requirement of modern operation is met, meanwhile, the automatic feeding and discharging efficiency is high, and the production cost is low. The heat loss in the feeding and discharging furnace is further reduced, the overall efficiency of the heating furnace is better, and using is more environmentally friendly and efficient.

The utility model belongs to the technical field of crystalline silicon body machining, and particularly relates to a polishing and dust removing device which comprises a base, a supporting column is fixedly installed on the back face of the base, a lifting assembly is installed in the supporting column, a fixing plate is arranged on the front face of the supporting column, and a polishing assembly is installed at the bottom of the fixing plate. The device comprises a base, a placing disc is mounted at the top of the base, a placing opening is formed in the top of the placing disc, a placing assembly is mounted in the placing opening, a circular sliding groove is formed in the top of the placing disc, and a connecting assembly is mounted in the circular sliding groove. When the grinding disc moves to the top of a wafer to be attached, at the moment, an inserting column at the bottom of a connecting disc is inserted into an inserting opening in the top of a connecting sleeve, and a driving motor drives the connecting disc and a grinding disc to rotate, so that the inserting column is inserted into the inserting opening to drive grinding columns rotationally mounted in the three connecting sleeves to rotate; the grinding disc and the grinding column can grind the outer surface and the side edge chamfer of the wafer at the same time.

This invention provides a steelmaking feeding device and steelmaking equipment, relating to the field of steelmaking technology. It includes: a hoisting structure and a conveying structure distributed below the hoisting structure; the conveying structure includes a fixed plate, a slide rail, a drive trolley, and a receiving cavity; the fixed plate is distributed below the hoisting structure, the slide rail is fixed to the fixed plate at equal intervals, and the receiving cavity is distributed on one side of the drive trolley. The drive trolley drives the receiving cavity to slide on the slide rail, used to transport materials hoisted by the hoisting structure; a screen plate is fixed to the inner wall of the receiving cavity, dividing the inner cavity into upper and lower cavities. A compression structure is provided in the upper cavity, used to compress the material inside the receiving cavity. This invention optimizes the feeding process through automatic screening and step-by-step feeding, significantly improving efficiency and reducing energy consumption when combined with material compression transportation, and achieving precise and intelligent feeding operations through full-process automated control.

The utility model provides a waste gas purification device which comprises a purification box body, a gas inlet chamber, an equipment chamber and a gas exhaust chamber are sequentially arranged in the purification box body, a gas inlet pipe is arranged on one side of the gas inlet chamber, and the gas inlet chamber is connected with an external waste gas pipeline through the gas inlet pipe; the two equipment chambers are separated through a partition plate, gas guide holes are formed in the upper ends of the equipment chambers, the equipment chambers are communicated with the gas inlet chamber through the gas guide holes, filter elements are detachably installed at the lower ends of the gas guide holes so as to filter guided waste gas, and adjusting assemblies for sealing the corresponding gas guide holes are arranged on the purification box body. According to the device, the air inlet chamber is switched to be connected with different equipment chambers for air supply, and the idle equipment chambers can be closed, so that the filter element is convenient to disassemble, assemble and maintain by personnel. The filter element is rotationally clamped in the clamping groove through the clamping plate, and the clamping plate can be separated from the clamping groove when the filter element is rotated by a person, so that the filter element is quickly replaced.

The utility model discloses an assembly type low temperature warehouse belongs to low temperature warehouse technical field, including main low temperature warehouse, the both sides of main low temperature warehouse are all provided with vice assembly warehouse, and the side away from main low temperature warehouse of vice assembly warehouse is provided with the plugging board, and the front and rear of main low temperature warehouse are all provided with clamping mechanism, and clamping mechanism includes position adjusting slide shell, first clamping arm and second clamping arm, and position adjusting slide shell is fixed in the recess of main low temperature warehouse, and first clamping arm and second clamping arm are all slidingly connected in the sliding slot of position adjusting slide shell, the utility model discloses the assembly type combination design of main low temperature warehouse and vice assembly warehouse can be according to the quantity of actual storage article flexible adjustment total capacity. When the article is less, main low temperature warehouse can be independently used, when the article increases and needs greater space, only needs to unlock clamping mechanism, and adds vice assembly warehouse on the both sides of main low temperature warehouse, can expand storage space, need not to purchase new equipment additionally, has greatly promoted the use flexibility and economy of equipment.

The utility model relates to the technical field of melamine tableware production, and discloses a melamine tableware edge grinding device which comprises a workbench, a plurality of supporting plates are fixedly connected to the rear portion of the top end of the workbench, dust suction devices are arranged at the top ends of the supporting plates, upper rotating rods are rotationally connected to the bottom sides of the front ends of the supporting plates, and lower rotating rods are rotationally connected to the bottom sides of the front ends of the supporting plates. A moving assembly is arranged on the outer wall of the middle end of the upper rotating rod, a moving ring is arranged on the outer wall of the bottom end of the upper rotating rod, a second telescopic rod is fixedly connected to the outer wall of the moving ring, a limiting ring is fixedly connected to the end, away from the moving ring, of the second telescopic rod, and a dust suction pipe is arranged on the inner circumference of the limiting ring. According to the edge grinding device, the height of the bottom end of the dust collection pipe is adjusted, so that the dust collection pipe is closer to dust and sweeps generated by edge grinding, the dust collection efficiency is improved, the dissipation of dust is reduced, the edge grinding requirements of different workpieces can be met, and the dust collection effect is ensured.

The application discloses a flaw detection device and method based on light-weight agricultural transmission shaft production and relates to the technical field of transmission shaft production.The application comprises a rack, a push plate type elevator is arranged on one side of the rack, a detection mechanism is arranged in the middle of the rack and is used for detecting the flaw of the transmission shaft, the detection mechanism comprises a conveying assembly, the conveying assembly comprises two supporting plates which are slidably arranged in the middle of the top end of the rack, and the driving motor is arranged on the supporting plate; the driving motor is used for driving the transmission shaft to be lifted from the rotating roller through the clamping groove when the moving frame is lifted, the transmission shaft is then horizontally conveyed to a working position and then is lowered and placed, the step-by-step one-by-one transfer of the transmission shaft is realized, when the rotating shaft rotates and conveys, the eccentric wheel at the end of the rotating shaft synchronously drives the outer shell body provided with the air knife to vertically reciprocate, the air knife moves to the lowest point when the transmission shaft is transferred to the cleaning working position and is placed, and therefore, the transmission shaft can be effectively cleaned at the best time while being continuously conveyed.

This utility model relates to the field of asphalt mixing technology, specifically an intelligent asphalt mixing device, comprising: a shell, a drive motor fixedly installed at the middle of the top of the shell, a drive shaft fixedly connected to the output end of the drive motor, a mixing rod fixedly connected to the outer surface of the drive shaft, and a temperature sensor embedded in the lower left side of the inner cavity of the shell; an insulation sleeve disposed outside the shell; and a mounting block fixedly installed on the inner wall of the shell, with a support rod fixedly installed on one side of the mounting block. This utility model, through the functions of the insulation sleeve, support rod, and electric heating sleeve, enables the mixing device to have the advantages of high heating efficiency and reduced energy consumption. It solves the problem that heating of asphalt mixing devices is achieved by installing electric heating blocks on the outer wall of the device, which results in poor heating efficiency of the asphalt material inside the device, leading to prolonged mixing time and high energy consumption.

The application discloses a sterilization device for plastic yogurt cup production and relates to the technical field of plastic cup production.The sterilization device comprises a sterilization box body and a turnover assembly.The turnover assembly provides a turnover function to turn over the plastic cup, so that each part of the plastic cup is fully exposed in the range of a steam nozzle, the sterilization dead angle is reduced, residual impurities are removed, and the sanitary quality of products is ensured.When the turnover assembly is turned over, the second electric telescopic rod and the third electric telescopic rod are telescopically extended, so that the first push plate and the second push plate form a clamping structure on the left and right sides of one end of the sliding bracket, the sliding bracket is driven to translate in the sliding groove frame to the clamping frame, and after the two groups of sliding brackets are aligned, the second motor drives the adjusting screw to rotate through power, so that the two groups of clamping frames move towards or away from each other along the rotating position frame slot, so that the perforated pad is combined with the plastic cup and elastic clamping is provided, and the first motor provides power to drive the rotating shaft to rotate, so that the rotating position frame drives the clamped plastic cup to rotate.

The utility model relates to the technical field of industrial waste gas treatment, and discloses an automatic feeding device for an industrial waste gas treatment system.The automatic feeding device comprises a box body and a lifting pipe, a feeding opening is formed in one side of the upper end of the box body, a fixing frame is fixedly connected to one side of the box body, and a first screw rod is rotatably connected to the interior of the lifting pipe; a feeding hopper is fixedly connected to the bottom end of the lifting pipe, a cover plate is rotationally connected to one side of the upper end of the feeding hopper through a hinge, and a feeding pipe is fixedly connected to the upper end of the outer wall of the lifting pipe. According to the automatic feeding device for the industrial waste gas treatment system, when adsorption materials such as activated carbon in the box body need to be replaced, the cover plate does not need to be opened, dissipation of volatile organic compounds in the saturated adsorption materials such as the activated carbon in the box body is reduced, dissipation of the volatile organic compounds in the filling process is reduced, and the working efficiency is improved. And the risk that operators are exposed to volatile organic compounds is reduced, so that the probability of occurrence of health problems is reduced.

The utility model belongs to the field of unloading machine, belongs to vertical spiral unloading machine, the utility model discloses a rack, vertical material conveying mechanism and horizontal material conveying mechanism, vertical material conveying mechanism is installed on the rack vertically, horizontal material conveying mechanism is installed on the rack horizontally, vertical material conveying mechanism top with horizontal material conveying mechanism intercommunication, and material is transported from vertical material conveying mechanism to horizontal material conveying mechanism, and then is unloaded by horizontal material conveying mechanism again, vertical material conveying mechanism includes vertical spiral machine, feeder and scraper, vertical spiral machine bottom feed inlet is installed with feeder, and the both sides of feeder are provided with scraper, and vertical spiral machine top outlet communicates with the feed inlet of horizontal material conveying mechanism. Solve the problem of keeping high productivity, and have flexibility and reliability simultaneously, be applicable to the bulk material unloading operation problem of a variety of complex working conditions, abandon the redundancy material collector and double spiral configuration, through the synergistic effect of single vertical spiral mechanism and adjustable scraper, simplify the equipment structure, reduce the manufacturing cost and maintenance difficulty.

The application discloses a three-axis numerical control engraving device for plate processing, and belongs to the technical field of wood processing.The three-axis numerical control engraving device comprises a base, a driving groove is arranged on one side of the top of the base, a three-dimensional engraving mechanism is arranged on the top of the base, the three-dimensional engraving mechanism comprises a moving block, a driving motor is arranged outside the driving groove, and a driving shaft is arranged on the output end of the driving motor.The transparent protective cover can shield the working position of the engraving mechanism during engraving, effectively reducing the splashing of dust and sundries, the externally arranged dust suction fan can adsorb dust, ensuring that the dust is reduced to escape to the outside, the spraying mechanism can spray water on the engraved position, effectively reducing the generation of dust, the dust removal mechanism cooperates with the spraying mechanism, so that the splashing and generation of dust and sundries can be effectively reduced, dust can be quickly adsorbed, the damage of dust to the external working environment is reduced, and the practicability of the device is improved.

The utility model relates to the technical field of electrolytic aluminum production, in particular to an anode pre-culture electrolytic bath cover plate which comprises a frame body detachably arranged at the upper end of an electrolytic bath and a bath cover plate arranged on the frame body, and the bath cover plate comprises baffles arranged on the two sides of the frame body in a sliding mode and a cover plate arranged on the two baffles in a sliding mode. The detachable frame body and the sliding type baffle which are connected through bolts are combined, so that the whole groove cover plate can be detached in a segmented mode. Compared with a traditional welding fixing structure, only damaged parts need to be locally disassembled during maintenance, and the operation efficiency is improved; the cover plate is divided into equidistant observation cavities through a supporting frame-barrier strip grid system, local opening and closing are achieved in cooperation with the sliding cover plate, and a specific cavity can be opened in a targeted mode during troubleshooting; the defect that the whole cover plate must be disassembled in the traditional scheme is avoided, and the maintenance time is shortened; and the bolt rod and the limiting hole are in linkage design, so that three-point positioning is formed when the cover plate is closed, and a silica gel sealing ring at an anode guide rod groove is matched, so that the overall air tightness is improved, and the smoke dissipation is reduced.

The present application provides a circuit board with embedded components and enhanced heat dissipation capacity, comprising at least two stacked heat dissipation substrates, a bonding layer between two adjacent heat dissipation substrates, an insulating layer covering the surface of the outermost heat dissipation substrate, and a plurality of heat dissipation columns embedded in the insulating layer. Each heat dissipation substrate comprises a heat dissipation insulating layer, a first circuit layer, a second circuit layer, a conductive structure, an embedded structure, and a plurality of heat dissipation columns. The embedded structure includes an electronic component electrically connected to the conductive structure, a conductive material connected to the conductive structure, and an insulating and heat-conductive material connecting the electronic component and the heat dissipation insulating layer. The first circuit layer includes a plurality of heat dissipation pads, and each heat dissipation column is connected to the heat dissipation pad. The present application also provides a manufacturing method for a circuit board with embedded components.

The invention discloses a cavity aerosol administration device for nursing old people, and relates to the technical field of aerosol administration. The device comprises a bottom plate, the lower end face of the bottom plate is fixedly connected with a connecting structure, an inner cavity of the connecting structure is in threaded connection with a storage structure, one side of the upper end face of the inner cavity of the connecting structure is fixedly connected with a pressurizing structure, and the other side of the upper end face of the inner cavity of the connecting structure is fixedly connected with a transfusion structure; the side, matched with the pressurizing structure, of the upper end face of the connecting structure is fixedly connected with an air inlet connecting structure, supporting structures are symmetrically connected between the two adjusting structures in a sliding mode, and through a limiting structure on the connecting structure, through dynamic matching of a limiting ball and a clamping groove in the using process and in combination with elastic deformation of a limiting spring, the air inlet connecting structure is matched with the pressurizing structure. Automatic locking of the storage structure and the connecting structure is achieved, then installation can be completed only by rotating the storage box, complex tools or additional fixing pieces are not needed, the operation difficulty is lowered, and the requirement for frequent medicament replacement in the nursing scene of old people is particularly met.

The present disclosure discloses a cloth bag inspection method and a cloth bag inspection system, the method comprising: acquiring cloth bag hole distribution area images of a cloth bag dust remover placement area and dust concentration information of the cloth bag dust remover placement area sent by a first group of sensing components; if the cloth bag hole distribution area images and the dust concentration information both satisfy a first cloth bag damage condition, determining a cloth bag damage area based on the cloth bag hole distribution area images; acquiring each cloth bag hole image and corresponding cloth bag hole concentration information of the cloth bag damage area sent by a second group of sensing components; and if the cloth bag hole image and the corresponding cloth bag hole concentration information satisfy a second cloth bag damage condition, determining that the cloth bag hole corresponds to cloth bag damage. The method provided by the present disclosure is used for industrial cloth bag dust remover placement area inspection, and quickly locates the cloth bag dust remover position corresponding to the damaged cloth bag.

This invention discloses a solid waste resource treatment and recycling device, relating to the field of solid waste recycling technology. It includes a receiving box with a collection box on its side, and a spherical magnetic suction component on the collection box. The spherical magnetic suction component includes a rotating magnetic suction ball. A crushing and processing component is located above the receiving box. The crushing and processing component has a refining box, with a transfer box below it. A refining cone is rotatably mounted inside the refining box. A scraping component is angled off the outside of the refining box. A floating matter treatment component and a residue adsorption component are located on the receiving box, respectively used to treat suspended matter generated during soaking and to magnetically adsorb residual metal impurities in the crushed material. This invention can complete the crushing of solid waste and the separation of metal impurities. It restricts the area where the crushed material falls, ensuring effective removal of metal impurities. It is multifunctional, occupies a small area, and can efficiently complete recycling operations.

This invention discloses a device and method for preparing a solid electrolyte membrane based on Joule heating technology, belonging to the field of battery materials technology. The device includes a main body; a Joule heating element is disposed in the inner cavity of the main body; several slide rails are disposed on both sides of the Joule heating element, and the slide rails are fixedly connected to the inner wall of the main body; a temperature sensor that can slide vertically is disposed on the slide rail; the Joule heating element includes a heat-insulating sleeve, which is a hollow cylindrical structure with open ends; a detachable support is connected to the bottom of the heat-insulating sleeve; a semi-circular positive electrode interface and a negative electrode interface are respectively connected to both sides of the heat-insulating sleeve; pressure relief and temperature measurement holes are also provided on the side wall of the heat-insulating sleeve; an internal thread is provided on the upper inner wall of the heat-insulating sleeve for threaded connection with a pressure head; a ceramic preform is installed in the inner cavity of the heat-insulating sleeve; pads are disposed on both sides of the ceramic preform. This invention can achieve rapid densification and crystallization of the ceramic preform to obtain a high-performance solid electrolyte membrane.

The present disclosure relates to the technical field of laser cleaning, and discloses a laser cleaning device for the outer wall of a pipeline, which comprises a laser cleaning hand tool, a dust removal cover, a mounting seat and a first dust suction pipe. The mounting seat is used for mounting on a support structure, and the dust removal cover and the laser cleaning hand tool are arranged on the mounting seat. The laser cleaning hand tool is located outside the dust removal cover. The dust removal cover is arranged above the pipeline. The cross-sectional area of the dust removal cover gradually increases from top to bottom. A first dust suction port is formed in the side wall of the dust removal cover. A first opening, which is in communication with the inside of the dust removal cover, is arranged on the top of the dust removal cover. The first opening is used for allowing the laser beam of the laser cleaning hand tool to pass through to the surface of the pipeline. One end of the first dust suction pipe is in communication with the first dust suction port. The other end of the first dust suction pipe is used for being in communication with a suction device. The laser cleaning device in the present disclosure can significantly reduce the escape of dust to the surrounding environment during the cleaning process, and can effectively protect the laser cleaning hand tool through reasonable spatial layout.

The invention discloses a new energy photovoltaic box-type transformer cooling device, and belongs to the technical field of transformer heat dissipation, the new energy photovoltaic box-type transformer cooling device comprises a fixed bottom plate, three transformers are installed on the fixed bottom plate, the outer wall of the bottom of each transformer is fixedly connected with a fixed sleeving seat, the fixed sleeving seat is connected with an outer layer expansion bag body, and the outer layer expansion bag body is connected with an inner layer expansion bag body. An upper fixing ring is fixedly connected to the top of the outer-layer expansion bag body, a pneumatic lifting structure is installed outside the upper fixing ring, gas is continuously conveyed into the outer-layer expansion bag body, so that the outer-layer expansion bag body expands and wraps the transformer, a closed rotational flow channel is formed in the transformer as a whole, and the transformer is prevented from being damaged. Therefore, under the condition that bottom airflow blows upwards in a spiral mode, on one hand, dissipation of the airflow is reduced, on the other hand, the phenomenon of guide turbulence generated by an upper guide fan on the upper portion can be reduced under the condition that the transformer is high in load, and the whole transformer is made of soft bag materials, low in manufacturing cost and convenient to disassemble and maintain.

The utility model discloses a kind of suede shoe leather surface fluff processing devices, it is related to suede shoe leather processing technical field, including supporting base and dust suction component, the supporting base is integrated structure, and supporting base upper side is equipped with operation protective cover, the operation protective cover two side surface lower end is equipped with inlet and outlet opening, the dust suction component is set to operation protective cover rear side, and dust suction component includes dust suction box, sealing door, dust suction pipe, dust collecting cover, support strip, dust collecting net bag, dust screen and high pressure exhaust fan.The suede shoe leather surface fluff processing device, by dust suction component so that the device passes through integrated negative pressure adsorption mechanism, can be recovered in fluff processing process simultaneously scattered fluff fiber and dust, can reduce suspended particulate matter dispersion, improve the uniformity of fluff processing, by processing component so that the device adopts diamond sand roll and carbon fiber roll combination processing, first rough grinding opens fiber and then refines fluff, improve the quality of fluff processing.

The application discloses a warm ventilation fan convenient to install, which comprises a cylinder, a motor, an impeller, a connecting pipe, a clamping assembly, a rotating assembly and an adjusting assembly. The cylinder is communicated with the connecting pipe, the rotating assembly is communicated with the cylinder, the clamping assembly is fastened with the cylinder, the adjusting assembly is hinged with the rotating assembly, the cylinder is internally provided with a supporting rod, an upper mesh plate and a lower mesh plate, the motor is fastened with the supporting rod, the motor is located between the upper mesh plate and the lower mesh plate, the impeller is in transmission connection with an output shaft of the motor, and the angle of the air guide pipe is adjusted through cooperation between a first sleeve pipe, a second sleeve pipe and a third sleeve pipe, so that the exhaust air direction can be quickly adjusted and positioned, the position of ventilation and air exchange can be conveniently adjusted according to the indoor space environment, and the practical use requirements of people can be met.

This application discloses a lightweight high-performance rubber shoe. The upper surface of the sole features a ventilation groove at the forefoot position, a communication groove at the arch position, and an air storage groove at the heel position. These three grooves are sequentially connected and interconnected. The lightweight high-performance rubber shoe provided by this invention features a ventilation groove at the forefoot position, a communication groove at the arch position, and an air storage groove at the heel position on the upper surface of the sole. The ventilation groove includes multiple narrow grooves spaced apart in the width direction, and the air storage groove includes multiple wide grooves spaced apart in the width direction. The support plate covers the air storage groove and communication groove, reducing air leakage. During walking, the air storage groove is compressed, and air enters the ventilation groove from the communication groove, forming a longitudinal airflow under the insole, improving ventilation. The structure of the ventilated sole also contributes to the overall lightweight design.

This utility model discloses a side-blowing spray gun for a smelting furnace, comprising a gas injection pipe and an oxygen-enriched spray pipe nested inside the gas injection pipe. A nozzle is installed at the inlet of the oxygen-enriched spray pipe, located inside the gas injection pipe at a distance of 15-30 mm from the inlet. A gas collecting chamber is provided at the end of the gas injection pipe, and a gas connector is connected to the gas collecting chamber. A connecting seat is provided at the end of the gas collecting chamber, and this connecting seat is bolted to a sealing flange located at the end of the oxygen-enriched spray pipe. This utility model solves the problems of short service life, natural gas leakage, and poor safety performance of existing spray guns, and has the advantages of simple structure, low cost, strong stirring power of the molten pool, good smelting effect, low energy consumption, and long service life.

The utility model relates to dust removal device technical field, concretely is a kind of tunnel dust removal device. The purpose is to provide a kind of tunnel dust removal device, the device should have the function of adjusting spray range, and have the characteristics of reliable structure and high versatility. Technical scheme is a kind of tunnel dust removal device, including car body, its characterized in that: still include the water tank being located at the rear of car body, the support being set at the top of water tank and the several spray pipes being installed in the left and right sides and top of support and being communicated with the water tank by hydraulic folding structure;The hydraulic folding structure includes the several branch plates respectively hinged in the left and right sides and top of support, the second hydraulic rod of the two ends respectively hinged support and branch plate to drive branch plate folding, the mounting bracket movably positioned on each branch plate by sliding assembly, the first hydraulic rod for driving mounting bracket and being arranged on branch plate and the controller of electrically connecting the first hydraulic rod and second hydraulic rod.

The application discloses a method and device for catalytic leaching of argillaceous uranium ore based on ozone, and relates to the technical field of uranium leaching and reaction equipment. The application utilizes biomass raw materials and iron-based material powder to prepare a magnetic composite material with catalysis-adsorption dual functions through in-situ reduction by high-temperature heat treatment. The slurry of argillaceous uranium ore and the magnetic composite material are mixed in a reactor for reaction. Ozone is introduced through an aeration disc to avoid bubble aggregation, significantly increase the gas-liquid contact area, and improve the ozone utilization rate. A spiral guide plate is arranged in the reactor to effectively prolong the gas-liquid contact time and improve the ozone mass transfer efficiency. A magnetic recovery device is used to recover the magnetic material to ensure the catalyst activity, reduce the catalyst loss rate, and realize efficient catalysis. Through optimization of the reactor structure, the catalyst preparation process and the process flow, the ozone utilization rate and the leaching efficiency of the argillaceous uranium ore are significantly improved, and the catalyst recycling and the recycling of residual gas are realized.

The application provides a defrosting control method of a refrigeration equipment and the refrigeration equipment. The defrosting control method comprises the following steps: controlling a compressor to stop working, connecting a liquid storage tank and a condenser to make refrigerant in the liquid storage tank flow into an evaporator, and judging whether a time length S1 of the connection of the liquid storage tank and the condenser is greater than or equal to a preset refrigerant flow time length S2; when the time length S1 is greater than or equal to the preset refrigerant flow time length S2, the connection of the liquid storage tank and the condenser is controlled to be disconnected; controlling a defrosting heater to work, starting a circulating device used for driving refrigerant in a defrosting circuit to flow, and judging whether a temperature T1 of the evaporator is greater than or equal to a preset evaporator temperature T2; when the temperature T1 is greater than or equal to the preset evaporator temperature T2, the defrosting heater and the circulating device are controlled to stop working; and controlling the compressor to be connected with the liquid storage tank. In the defrosting process, the refrigerant in the liquid storage tank is introduced into the evaporator, and the circulating device is used to accelerate the flow of the refrigerant in the defrosting circuit, so that the local temperature of the evaporator is prevented from being high during the defrosting, and the preservation of food in the refrigeration equipment is prevented from being affected.

This invention discloses a simple moxibustion device, comprising a bottle body with a sealed combustion chamber at the top and a moxibustion opening at the bottom. A main mounting port is located at the center of the top of the bottle body for vertically inserting a moxibustion cylinder. At least one spare moxibustion port unit is located on the side wall of the bottle body, each unit including a spare mounting port and an openable / closable cap for laterally inserting a moxibustion cylinder. An elastic sealing component is provided at the edge of the moxibustion opening. This invention achieves flexible switching between vertical and multi-angle lateral moxibustion by integrating the main moxibustion port at the top and the spare moxibustion port on the side wall onto a single bottle body. Simultaneously, the combination of the sealed chamber and the elastic seal at the bottom effectively limits the escape of moxibustion smoke. The device has a simple structure, practical function, and significantly improves the convenience, adaptability, and environmental friendliness of moxibustion operation.

The utility model discloses an AC power line durability testing device, which belongs to the technical field of AC power line durability testing and comprises a shell, a refrigeration cavity is arranged on one side in the shell, a heating cavity is arranged on the other side in the shell, a refrigeration all-in-one machine is mounted at the upper end of the shell corresponding to the refrigeration cavity, and a heating wire is mounted at the upper end of the heating cavity. The buffer assembly is arranged, the lower ends of the interiors of the refrigerating cavity and the heating cavity are connected with the object receiving box in a clamped mode, the object receiving box can receive a falling balancing weight, a damping rod, a buffer spring and a high-resilience sponge pad are matched, a good buffer effect can be achieved, and the situation that the shell is damaged due to collision is avoided; according to the utility model, the heat insulation assembly is arranged, the vacuum heat insulation plates are pasted and fixed on the inner walls of the refrigeration cavity and the heating cavity, the heat insulation effect can be achieved, the mutual influence of high and low temperatures is avoided, the dissipation of temperature can be reduced, and the protection cushions on the two sides of the vacuum heat insulation plates can perform unloading protection on the thrown-out power line.

The invention relates to the technical field of water quality detection equipment, in particular to a hydrogen concentration extraction and detection device for hydrogen-rich water. According to the hydrogen concentration extraction and detection device for the hydrogen-rich water, the detection container can be automatically opened after detection is completed so as to be conveniently cleaned, and the detection efficiency is prevented from being affected. A hydrogen concentration extraction and detection device for hydrogen-rich water comprises a base, a tank body, an extraction assembly, a containing assembly, a detection assembly and the like, the tank body is connected to the upper side of the left front portion of the base, the extraction assembly used for extracting the hydrogen-rich water is arranged on the base, and the containing assembly capable of containing the hydrogen-rich water is arranged on the base; the base is further provided with a detection assembly capable of detecting the hydrogen concentration of the hydrogen-rich water. An electric push rod is started to drive a connecting frame to move upwards, wheels move upwards to be separated from an inclined block, then a spring rebounds, covers are far away from each other, and the effects that after detection is completed, the detection container can be automatically opened to facilitate cleaning, and the detection efficiency is prevented from being affected are achieved.