54 results about "Nitrogen Handling" patented technology

The full-automatic powder packaging equipment with the low residual oxygen content comprises a main machine frame and a packaging bag feeding machine, a main filling mechanism, an air exhaust mechanism, an auxiliary filling machine, a bag opening and edge pressing mechanism and a heat sealing machine are sequentially arranged on the main machine frame, a main conveying line and a weighing belt conveyor are fixedly connected to the main machine frame, the main conveying line is divided into two sections, and the weighing belt conveyor is arranged on the main conveying line. The two main conveying lines are connected with the two ends of the weighing belt conveyor in an end-to-end mode respectively, a vibration assembly is arranged on the main conveying lines and located below the air exhaust mechanism and the bag opening and edge pressing mechanism, and the feeding end of the Y-shaped material box is fixedly connected with an annular inflation pipe. The powder material bagging and filling device has the following beneficial effects that automatic bagging, filling, exhausting and nitrogen filling treatment of powder materials can be achieved, air and powder among the powder materials can be well removed in the packaging process, the residual oxygen amount of packaging is effectively reduced, and the packaging quality is improved.

The invention discloses a high-concentration ammonia nitrogen treatment device and method for condensate of a coal chemical enterprise. The high-concentration ammonia nitrogen treatment device comprises a raw water storage system, a pretreatment system, an ammonia stripping system, an ammonia gas recovery system, a post-treatment system and an automatic control system, the raw water storage system, the pretreatment system, the ammonia stripping system, the ammonia gas recovery system and the post-treatment system are connected in sequence; the automatic control system is respectively connected with the raw water storage system, the pretreatment system, the ammonia stripping system, the ammonia gas recovery system and the post-treatment system. By adopting the technical scheme, the effects of remarkably reducing energy consumption, realizing resource utilization, being low in investment cost, low in operation cost, profitable, high and stable in treatment efficiency, high in automation degree, small in occupied area, capable of eliminating secondary pollution, high in adaptability, simple and convenient to maintain and short in investment payback period can be achieved.

The utility model discloses a nitrogen preservation device for beverage filling, which comprises a mounting rack, a beverage can body is arranged on the mounting rack, an adjusting mechanism is mounted on the mounting rack, the adjusting mechanism is matched with the beverage can body, and a liquid injection mechanism, a nitrogen filling mechanism and a rotating mechanism are mounted on the adjusting mechanism. Through the arrangement of the rotating shaft, the beverage filling head, the nitrogen filling head, the first motor, the rotating shaft, a positioning hole and other structures, when nitrogen filling is conducted on the beverage can body for freshness retaining, the nitrogen filling head on the rotating shaft only needs to be aligned with the beverage can body for nitrogen filling treatment, and after nitrogen filling is finished, the rotating shaft only needs to be rotated, so that the beverage can body can be kept fresh; according to the beverage can, the beverage infusion head can be conveniently aligned with the beverage can body to infuse beverage, so that nitrogen filling and beverage infusion can be performed on the beverage can body at the same position, and the situation that air enters the beverage can body due to nitrogen volatilization in the conveying process can be effectively avoided.

This invention discloses a low-temperature nitriding system, comprising a horizontal frame, a lower mold assembly, an upper mold assembly, a mold closing drive mechanism, multiple solid nitrogen source sheets, and a reciprocating drive mechanism. The lower mold assembly is located at the bottom of the frame, with a lower semi-circular groove on its upper surface. The upper mold assembly is movably mounted on the frame, with an upper semi-circular groove on its lower surface. When the upper and lower molds are closed, a cylindrical cavity with a diameter larger than that of a steel rod is formed. Multiple solid nitrogen source sheets are arc-shaped and respectively adhered to the inner walls of the grooves in the upper and lower molds. The mold closing drive mechanism drives the upper mold to move downwards, causing the nitrogen source sheets to adhere tightly to the surface of the steel rod. The reciprocating drive mechanism drives the steel rod to reciprocate axially, causing relative sliding between the steel rod surface and the nitrogen source sheets, inducing nitrogen atom infiltration through frictional heat and plastic deformation. This invention requires no external heating, has extremely low energy consumption, avoids thermal deformation problems, has high nitrogen atom utilization, and has a simple structure.

The present application relates to sewage denitrification treatment technical field, specifically to a kind of high-efficiency denitrification filter, including filter water pool body, water inlet groove, water supply groove, reaction cavity, filter baffle, water guide assembly, outlet pipe, backwashing component, overflow notch, collection tank and control assembly;The inside of the filter water pool body is provided with multiple reaction cavities, the reaction cavities are parallelly arranged between each other, the water inlet groove is opened in the upper portion of filter water pool body, the water supply groove is arranged on the top of reaction cavity, the filter baffle is installed at the bottom of reaction cavity, the water guide assembly is installed below filter baffle, the outlet pipe is installed in the side of water guide assembly, the backwashing component is arranged on the outer side of water inlet groove, the overflow notch is opened in the side of filter water pool body, the collection tank is arranged outside overflow notch, and the control assembly is installed inside reaction cavity.

The invention belongs to the technical field of heat treatment furnace auxiliary control devices, and particularly discloses a vacuum heat treatment furnace air cooling control device which comprises a heat treatment furnace body, a transmission cavity is formed in the inner bottom face of the heat treatment furnace body, a rotating disc is rotationally arranged between the inner walls of the transmission cavity, and the bottom of the rotating disc is slidably clamped to the side wall of the transmission cavity. When a workpiece is heated to a certain temperature, the feedback assembly can be triggered to work, the transmission assembly is cut off when the feedback assembly works, so that the rotating disc stops rotating, and the workpiece is heated to a certain temperature. Meanwhile, nitrogen introduced by the gas inlet pipe cap is introduced into the heat treatment furnace body to blow the outer surface of the heated workpiece, so that the outer surface of the workpiece can be subjected to nitriding treatment, and when the feedback assembly works, the gas filtering assembly can be conducted, so that the nitrogen blowing the workpiece is filtered by the gas filtering assembly and then discharged; and carried dust is prevented from polluting air in a workshop.

The present application relates to the field of pesticide wastewater nitrogen removal equipment, specifically to a pesticide production wastewater total nitrogen detection and treatment equipment, which comprises a treatment tank, a driving motor is fixedly connected to the middle position of the top of the treatment tank, and the rotating end of the driving motor is fixedly connected with a transmission shaft, the inner top surface of the treatment tank is fixedly connected with an adjusting cylinder matched with the transmission shaft, and the equipment further comprises an aeration adjusting mechanism, which is movably installed between the surface of the adjusting cylinder and the surface of the transmission shaft, and the transmission shaft drives the aeration adjusting mechanism to operate to uniformly distribute oxygen in the treatment tank. The pesticide production wastewater total nitrogen detection and treatment equipment is composed of an aeration adjusting mechanism and a pollution cleaning mechanism; when the nitrifying bacteria in the treatment tank need to react through oxygen, the aeration component can rise, expand and rotate in the treatment tank under the action of the aeration mechanism, so that the oxygen is uniformly dispersed in the treatment tank, thereby improving the nitrogen removal treatment effect.

The application relates to the technical field of sewage treatment, in particular to a sulfur autotrophic denitrification and nitrogen removal treatment device, which comprises an integrated box, a second turnover plate rotatably installed at the front end of the integrated box, a first turnover plate rotatably installed at the edge position of the top end of the integrated box, and a PLC controller fixedly installed at the front end of the integrated box. The multiple treatments of the ultrafiltration membrane tube, the autotrophic denitrifying bacteria and the active carbon filter plate can guarantee the sewage treatment effect, can make the autotrophic denitrifying bacteria in a suitable survival environment, can guarantee the nitrogen removal effect, are energy-saving and environment-friendly, are convenient to use, can conveniently replace the active carbon filter plate, can guarantee the purification effect of water, can reduce the resistance received by the movable ring during the sliding process on the threaded screw rod in the process of replacing the active carbon filter plate, are favorable for the up-and-down movement of the sealing plate, and are favorable for the replacement of the active carbon filter plate.

This invention discloses a method and system for treating wastewater effluent from a wastewater treatment plant. The method includes the following steps: acquiring parameter data of the effluent, including total phosphorus, suspended solids concentration, total nitrogen, and chemical oxygen demand (COD); selecting a corresponding effluent treatment method based on the parameter data, wherein the treatment method includes sedimentation, denitrification, and / or COD removal; and discharging the treated effluent into a clear water tank. This invention, through data analysis, customized treatment strategies, and discharge mechanisms, can flexibly adjust the treatment method according to the effluent conditions, achieving efficient pollution removal and cost savings.

The invention relates to a low-moisture ionic liquid storage and transportation kit suitable for a battery small-scale experiment and a preparation method of the low-moisture ionic liquid storage and transportation kit, and relates to the technical field of ionic liquid storage, packaging and preparation. Comprising a kit body, an ampoule bottle and ionic liquid, the ampoule bottle is arranged in the kit body; the water content of the ionic liquid is less than or equal to 20ppm, and the ionic liquid is prepared by a dehydration pretreatment process of vacuum film evaporator film scraping or molecular sieve adsorption; the ampoule bottle is made of a neutral borosilicate glass material, the interior of the ampoule bottle is subjected to nitrogen charging treatment in advance, the nitrogen purity is larger than or equal to 99.999%, the nitrogen charging pressure is 0.1-0.15 MPa, and the nitrogen charging time is 2-5 s; the ionic liquid is quantitatively filled into the nitrogen-filled ampoule bottle through an ampoule wiredrawing filling and sealing machine, and a sealing unit is formed through flame sealing. According to the invention, absolute water-proof oxygen-proof storage and transportation of the ionic liquid can be realized, the dosage requirement and the rapid screening requirement of small-scale experiments are met, the automation level, the precision and the stability of kit preparation are improved, and the production cost is reduced.

The carbonaceous material that is activated to form the precursor activated carbon is further improved by doping with copper and nitrogen and calcination. The resulting adsorbent has excellent catalytic properties that are useful in the field of fluid purification.

The application discloses a preparation method of high-nitrogen steel powder with super-high nitrogen content, and specifically comprises the following steps: adding high-nitrogen steel powder into a vacuum boiler with nitrogen gas flowing therethrough for heating, and continuously stirring the powder to uniformly heat the powder and avoid agglomeration; after proper heat preservation, opening a filter screen window under the boiler and a lower powder outlet of the boiler, and under the action of high-pressure nitrogen gas jet, the powder in the boiler is screened through the filter screen; the screened powder falls into a liquid nitrogen pool for rapid cooling and nitrogen dissolving treatment; after the powder is treated in the liquid nitrogen for a certain time, the filter screen at the bottom of the liquid nitrogen pool is opened to treat the excess liquid nitrogen and screen the powder, and finally, the high-nitrogen steel powder with super-high nitrogen content is obtained in the liquid nitrogen pool. The method can obtain the high-nitrogen steel powder with super-high nitrogen content on the basis of traditional high-nitrogen steel powder preparation, and has the advantages of simple process, low cost, high practicability, easy industrial production and the like.

The application discloses a coke oven gas direct reduction plant wastewater ammonia nitrogen treatment system and method, which comprises an aeration tank, an inclined tube sedimentation tank, a dosing device, a buffer water tank, a quartz sand filter, an intermediate water tank, a mixer, a liquid alkali storage tank, a deamination tower kettle, an external discharge pH adjusting tank, a sulfuric acid storage tank, an ammonium sulfate circulating tank, an aeration fan, a stripping fan, a gas buffer bag, an ammonium sulfate circulating pump and a sulfuric acid pump; ammonia nitrogen-containing wastewater pipelines are sequentially connected with the aeration tank and the inclined tube sedimentation tank, the overflow port of the inclined tube sedimentation tank is connected with the water inlet of the buffer water tank, and the water outlet of the buffer water tank is sequentially connected with the quartz sand filter, the intermediate water tank, the mixer and the deamination tower kettle; the aeration fan is connected with the gas inlet of the aeration tank, the dosing device is connected with the dosing port of the inclined tube sedimentation tank, and the liquid alkali storage tank is connected with the alkali inlet of the mixer. After being treated by the system and method, the ammonia nitrogen in the effluent is stable and up to the standard, the pH value is stable, and the wastewater discharge meets the first-level standard of the national wastewater comprehensive discharge standard.

The invention relates to a natural gas liquefaction denitrification device and method, and the natural gas liquefaction denitrification device comprises a first heat exchanger; a gas phase outlet of the heavy hydrocarbon separator is connected with a second heat exchanger, the second heat exchanger is connected with a third heat exchanger, and the third heat exchanger is connected with the denitrification tower through a pipeline. The natural gas liquefaction denitrification method comprises the following steps: cooling raw material gas; carrying out gas-liquid separation treatment on the cooled feed gas; cooling the gas phase; and carrying out nitrogen removal treatment on the gas phase by using a nitrogen removal tower. The technical scheme provided by the invention has the beneficial effects that the nitrogen is separated by fully utilizing the cold energy produced by the mixed refrigerant, the nitrogen separation efficiency is high, meanwhile, the number of equipment is small, the energy consumption is reduced, the engineering investment is reduced, the economic benefits of enterprises are improved, and the aim of removing the nitrogen is fulfilled by only arranging one denitrification tower. According to the technical scheme, the nitrogen-containing feed gas is subjected to liquefaction denitrification to obtain a product with corresponding purity, so that the economic value of the product is improved.

The utility model discloses an industrial wastewater denitrification treatment device, and particularly relates to the technical field of industrial wastewater denitrification treatment, which comprises a mounting table, supporting legs are fixedly connected to the front and rear parts of the left side of the lower end of a horizontal part of the mounting table, and a treatment tank is fixedly connected to the left part of the upper end of the horizontal part of the mounting table; a flow blocking assembly is arranged in an inner cavity of the treatment tank; a stirring assembly is arranged in the middle of the inner cavity of the treatment tank; a spreading assembly is arranged at the upper part of the inner cavity of the treatment tank; and a secondary treatment assembly is arranged at the right part of the upper end of the horizontal part of the mounting table. According to the industrial wastewater denitrification treatment device disclosed by the utility model, the arranged flow blocking assembly plays a role in blocking the flowing of industrial wastewater, so that the flowing process of the industrial wastewater is slowed down, and the reaction time of the industrial wastewater and a medicament for industrial wastewater denitrification treatment is prolonged; the chemical can be used for more sufficiently decomposing the nitrides in the industrial wastewater.

The invention relates to the technical field of glass manufacturing, and discloses a method for preparing vacuum glass by vacuumizing at normal temperature, which comprises the following steps: S1, splicing two glass substrates, aligning outer side notches of the two glass substrates, inversely placing a vacuum tube at the notch, enabling the sealed end of the vacuum tube to be positioned outside the glass substrate, and placing the vacuum tube in the notch; preliminary connection of the vacuum tube and the glass substrate is realized through sealing treatment; s2, coating the edge opening of the side edge of the glass substrate with a primary sealing rubber strip, and performing primary sealing after the primary sealing rubber strip is cooled and solidified; through the steps of splicing at normal temperature, vacuum extraction, cutting and plugging, nitrogen charging and the like, the vacuum glass is efficiently prepared, the dependence of a traditional process on a high-temperature environment is avoided, the energy consumption is reduced, and the preparation efficiency is improved. Meanwhile, primary sealing and secondary sealing processes and nitrogen charging treatment are combined, so that the sealing performance and the service life of the glass are remarkably improved, and the stability of an internal vacuum environment and the product reliability are ensured.

The invention relates to a process-controllable sulfur autotrophic denitrification nitrogen removal treatment process, which comprises the following steps: S1, pre-treatment: enabling effluent suspended matters of upstream wastewater to be lower than 10-20mg / L; s2, denitrification treatment: continuously detecting water quality by a total nitrogen analyzer to obtain a total nitrogen value; if the total nitrogen value of the effluent is higher than a target threshold, the liftable sulfur autotrophic denitrification device in the autotrophic denitrification reaction tank is deeply immersed downwards; if the total nitrogen value of the effluent is lower than a target threshold, the liftable sulfur autotrophic denitrification device in the autotrophic denitrification reaction tank is lifted upwards; and S3, post-treatment: sequentially carrying out pH regulation, flocculation, solid-liquid separation and disinfection discharge on the sewage discharged from the autotrophic denitrification reaction tank. Through the liftable sulfur autotrophic denitrification device and the total nitrogen analyzer, when the total nitrogen value of effluent is monitored in real time, the immersion depth of the liftable sulfur autotrophic denitrification device in sewage is automatically adjusted, so that the hydraulic retention time and the microbial reaction area are directly regulated and controlled, and the problem of unnecessary deep denitrification or incomplete nitrification is avoided.

The application provides a two-stage full-process autotrophic microbial denitrification device for treating contaminated water bodies, which is submerged in ammonia-nitrogen contaminated water bodies to complete denitrification treatment, and comprises a floating body, a mesh cover box body fixedly installed at the bottom side of the floating body, a first storage tank and a second storage tank fixedly installed at the top side of the mesh cover box body, a first inspection opening and a discharge plate respectively formed in the second storage tank and the first storage tank, two hinges fixedly installed on the inner wall of the mesh cover box body, and a same perforated partition movably installed between the two hinges, wherein the two sides of the perforated partition are filled with short-cut nitrification immobilized biological gel particles and anaerobic ammonia oxidation immobilized biological gel particles. The application realizes the coupling treatment mode of short-cut nitrification and anaerobic ammonia oxidation, and can automatically adjust the contribution proportion of short-cut nitrification and anaerobic ammonia oxidation according to the ammonia-nitrogen and nitrite-nitrogen concentration and proportion in the water body, has the advantages of remote operation, no need of additional carbon source, saving of oxygen supply energy consumption, high denitrification efficiency, no need of sludge discharge, strong adaptability and the like, and achieves the effect of pollution reduction and carbon reduction.

The utility model provides a high magnetic induction oriented silicon steel nitriding treatment device, which relates to the technical field of silicon steel nitriding and comprises a box body, a partition plate is fixedly connected to one side of the inner wall of the box body, a conveying mechanism is fixedly connected to one side of the inner wall of the partition plate, and the conveying mechanism comprises a conveying pipe fixedly connected to one side of the inner wall of the partition plate. A fixing block is fixedly connected to one side of the inner wall of the conveying pipe, a sealing block is fixedly connected to the outer wall of one side of the fixing block, a fixing rod is fixedly connected to the side, away from the fixing block, of the inner wall of the conveying pipe, and a fan is fixedly connected to one side of the inner wall of the fixing rod. The utility model solves the problems that the existing silicon steel nitriding process has extremely high requirements on gas distribution uniformity and control precision, and once the nitrogen supply is unstable or the nitrogen distribution is non-uniform, the silicon steel surface nitriding effect is easily caused to be poor, and the product quality is influenced.

This invention provides a method and apparatus for denitrification, relating to the field of wastewater treatment technology. The denitrification apparatus provided by this invention has a reactor 13 divided into an aeration zone and an anoxic zone from top to bottom. In the anoxic zone, wastewater containing ammonia nitrogen utilizes its own COD to convert nitrate nitrogen into nitrite nitrogen, achieving short-cut denitrification. Aeration is supplied to the aeration zone via a membrane module 4, enabling a synergistic reaction of ammonia oxidation and anaerobic ammonia oxidation. Ammonia oxidation converts some ammonia nitrogen into nitrite nitrogen, while anaerobic ammonia oxidation converts the remaining ammonia nitrogen and nitrite nitrogen into nitrogen gas and nitrate nitrogen. The resulting nitrate nitrogen is returned to the anoxic zone via a liquid return path 9, forming a nitrogen cycle. This achieves partitioned coupling of short-cut denitrification and ammonia oxidation-anaerobic ammonia oxidation within the same reactor, eliminating the need for multi-stage equipment series connection, reducing equipment costs, and enabling stable operation of the entire apparatus after a successful initial start-up, with a short start-up cycle.

The utility model discloses a nitrogen charging and water replenishing mechanism for a speed chain production line. The nitrogen charging and water replenishing mechanism comprises a first mounting plate, and a first air cylinder is arranged on the first mounting plate, the first air cylinder is connected with the nitrogen charging assembly, and the first air cylinder drives the nitrogen charging assembly to move and is used for charging nitrogen into the workpiece for protection. The device has the advantages of being simple in structure, convenient to operate, accurate in nitrogen charging, high in efficiency and the like, and the nitrogen charging assembly can be conveniently moved to a designated position for nitrogen charging treatment.

The invention discloses a high-nitrogen-content aluminum ash harmless treatment and recycling brick making method and system, and the method comprises the following steps: carrying out hydrolysis denitrification treatment on high-nitrogen-content aluminum ash, converting an aluminum nitride component in the high-nitrogen-content aluminum ash into a solid-phase product with stable chemical properties through a controllable hydrolysis reaction, and releasing ammonia gas; meanwhile, the released ammonia gas is recycled and converted into ammonia-containing absorption liquid; cleaning and desalting the aluminum ash slag after deep denitrification, and removing soluble salt contained in the aluminum ash slag through water washing and solid-liquid separation operation to obtain low-chlorine and low-salt clean aluminum ash slag; the method comprises the following steps: mixing the clean aluminum ash slag serving as a main raw material with a cementing material and aggregate, carrying out compression molding, and curing to obtain a building brick product. According to the method, thorough harmlessness and efficient building material utilization of the aluminum ash are realized through a graded hydrolysis denitrification and combined cleaning desalination technology.

The utility model relates to the technical field of ammonia nitrogen treatment, and discloses an automatic ammonia nitrogen treatment device for aquatic product transportation, which comprises a water tank, a feed opening is arranged at the top end of the left side of the water tank, and a feed pipe is fixedly connected between the water tank and the feed opening. According to the automatic ammonia nitrogen treatment device for aquatic product transportation, an ammonia nitrogen sensor, a servo motor and a lifting rope are arranged, filter holes in a filter screen plate are small, adsorbates can be prevented from falling to the bottom end of the interior of a water tank, and after adsorbates at the top end of the filter screen plate are well adsorbed, the servo motor is started; a servo motor drives a rotating shaft to rotate to enable the rotating shaft to wind a lifting rope, so that a side plate and a filter screen plate can be driven to ascend, adsorbates at the top end of the filter screen plate leave water in the water tank, ammonia nitrogen in the water tank can be treated, the influence of excessive ammonia nitrogen on aquatic products is prevented, and the problem that the adsorbates cannot be conveniently and automatically separated from the water is solved. Time and labor are wasted, and the treatment efficiency is easily influenced.

The application discloses to the technical field of metal production waste chip treatment, in particular to a spraying type aluminum ash residue nitrogen removal device and ash removal method, including installation support, heat source distribution assembly and circulation control assembly, the middle section of the installation support is provided with a nitrogen removal treatment cylinder which rotates, the nitrogen removal treatment cylinder includes an outer shell layer and an inner lining layer, a heating cavity is clamped between the outer shell layer and the inner lining layer, a discharge port is formed in one side of the nitrogen removal treatment cylinder, the aluminum ash residue treatment of metal waste residue is carried out through the horizontal rotation treatment mode, in the aluminum ash residue treatment of the continuous production, the rapid feeding and dumping treatment can be realized, and meanwhile, under the cooperation of the heat source distribution assembly and the circulation control assembly, the environmental temperature during the aluminum ash residue hydrolysis treatment operation can be stably controlled, the temperature difference between the two ends during the aluminum ash residue treatment operation is avoided to be too large, and the efficiency and quality of the aluminum ash residue nitrogen removal treatment are improved.

The invention relates to the technical field of ammonia nitrogen removal, in particular to equipment for preparing a carbon source and efficiently and synergistically removing ammonia nitrogen for a kitchen, the equipment comprises a treatment mechanism and a carbon source mechanism, the carbon source mechanism is arranged at the top of the treatment mechanism, and the treatment mechanism comprises a storage assembly, an interception assembly, a drainage assembly, a transmission assembly and a guide assembly; the intercepting assembly is arranged on the inner side of the storage assembly, the drainage assembly is arranged on the left side of the bottom of the storage assembly, the transmission assembly is arranged on the top of the drainage assembly, and the guiding assembly is arranged on the right side of the transmission assembly. The equipment for preparing the carbon source for the kitchen and efficiently and synergistically removing the ammonia nitrogen is provided with a structure for directly putting the carbon source generated by kitchen waste incineration into the sewage to remove the ammonia nitrogen, so that the carbon source generated by kitchen waste incineration can be directly put into the sewage to remove the ammonia nitrogen; therefore, the ammonia nitrogen treatment flexibility of the carbon source input sewage is improved.

The present application belongs to the technical field of auxiliary control device of heat treatment furnace, and discloses a kind of vacuum heat treatment furnace gas cooling control device, including heat treatment furnace body, the inside bottom surface of heat treatment furnace body is equipped with transmission cavity, rotation is arranged between the inner wall of transmission cavity and has rotary table, the bottom of rotary table is slidably engaged on the side wall of transmission cavity, the outer surface of rotary table is close to the gap between the inner wall of transmission cavity, the present application, workpiece is heated to certain temperature, will trigger feedback component to work, feedback component works will transmission component cut off, make rotary table stop rotating, simultaneously, nitrogen that the cap of air inlet pipe is guided to the inside of heat treatment furnace body is blown to the outer surface of workpiece after heating, so that the outer surface of workpiece can nitriding treatment, and feedback component works can also be guided to filter gas component, so that nitrogen after blowing workpiece is filtered and discharged after passing through filter gas component, prevent carrying dust pollution workshop internal air.

The invention relates to the technical field of bearing inner rings, in particular to a high-temperature-resistant optimization treatment method for a bearing inner ring, which comprises the following steps: selecting a base material of a deep groove ball bearing inner ring and processing the base material into a blank of the deep groove ball bearing inner ring; the inner ring of the deep groove ball bearing is placed in a heat treatment multi-purpose furnace to be subjected to austenitizing treatment; in the austenitizing treatment process, carbon-containing gas and nitrogen-containing gas are introduced into the heat treatment multi-purpose furnace; the bearing inner ring is taken out of the heat treatment multi-purpose furnace and put into an oil quenching tank to be subjected to oil quenching cooling; the bearing inner ring subjected to oil quenching is put into a tempering furnace to be subjected to tempering treatment, and the deep groove ball bearing inner ring is subjected to austenitizing treatment, carburizing treatment, nitriding treatment, cooling and tempering treatment, so that the bearing inner ring can better maintain the mechanical properties such as dimensional precision, hardness and strength under the high-temperature working environment of a motorcycle engine; and performance attenuation caused by high temperature is reduced, so that the service life of the bearing is prolonged.