72 results about "Graphite dust" patented technology

The invention belongs to the technical field of coated particle preparation, and aims to solve the problems of high safety risk of manual operation and low consistency of manual operation in the loading, sampling, unloading and cleaning processes of high-temperature fluidized particles in a vertical deposition furnace. The invention discloses a loading, unloading, sampling and cleaning integrated device for particles and a using method.The device comprises a base, an automatic lifting mechanism is arranged on the side face of the base, a charging basket transferring platform is arranged above the base, and a furnace top cover transferring device, a furnace top cover cleaning device and a graphite dust cleaning device are installed on the base; a loading and unloading sampling cleaning mechanism is arranged in the middle of the base; according to the method, the device is used for loading, unloading, sampling and cleaning. According to the device, a full-automatic operation mode is adopted, the safety of operators is guaranteed, labor force is reduced, and the functions of automatic feeding, discharging, cleaning in the furnace and sampling are integrated, so that the device is compact, small in occupied area and capable of working in a limited space.

The graphite sealing ring machining dust collecting device comprises a dust collecting body and an adjusting dust collecting assembly, a spraying mechanism is arranged on the upper portion in the dust collecting body, and an air outlet is formed in the side wall of the lower portion of the dust collecting body; the adjusting dust collecting assembly is arranged at the front end of the top of the dust collecting body, communicates with the upper portion of the dust collecting body and is used for adjusting the dust collecting position and collecting dust to the dust collecting body; the adjusting dust collecting assembly comprises a supporting upper plate and a multi-angle dust collecting adjusting assembly. The supporting upper plate is fixed to the front end of the bottom of the dust collecting body. The supporting upper plate is provided with a sliding groove. The multi-angle dust collection adjusting assembly slides at the front end of the dust collection body along the sliding groove through the supporting sliding block. The utility model belongs to the technical field of graphite ring processing, and particularly relates to a dust collection device which can adjust a dust collection position within a preset range, and can carry out dust falling treatment on collected graphite dust in a spraying manner to avoid escaping; and the dust collection pipeline can be assembled, disassembled and cleaned through the graphite sealing ring machining dust collection device.

The utility model discloses graphite processing equipment with a dust collection function, which relates to the technical field of graphite processing, is suitable for drilling a graphite column, and comprises a workbench, the drilling unit is arranged on the upper surface of the workbench; the dust collection assembly is arranged on the upper surface of the workbench and used for collecting dust; the clamping unit is arranged on the upper surface of the workbench and used for clamping, a dustproof box is arranged on the upper surface of the workbench, and the drilling unit comprises a lifting assembly arranged on the outer surface of the workbench and a drilling assembly arranged on the outer surface of the lifting assembly. According to the graphite drilling device, the supporting frame, the bearing plate, the hydraulic cylinder, the telescopic limiting rod, the mounting bracket, the driving motor and the drill bit are matched with one another to assist in drilling graphite, and a dust collecting box, an air extracting pump, a filtering box and a ventilation pipe are matched with one another to conveniently absorb graphite dust generated in a dustproof box; therefore, the functionality of the graphite processing equipment is improved.

The invention provides a power transmission vehicle, which comprises a vehicle body, a conductive mechanism and a dust removal mechanism, and is characterized in that the conductive mechanism is arranged on the vehicle body, and the dust removal mechanism is arranged on the vehicle body and is used for removing dust on the upper surface of a power transmission busbar; the dedusting mechanism is arranged on one side of the vehicle body, when graphite dust generated in the working process of the graphitization furnace falls onto the upper surface of the power transmission busbar, the dedusting mechanism operates to remove the graphite dust on the upper surface of the power transmission busbar, the crimping stability of the busbar crimping mechanism is effectively improved, and the running stability of the power transmission vehicle is ensured.

The invention relates to an ultrasonic decontamination device and decontamination method for a high-temperature gas cooled reactor fuel loading and unloading system. The decontamination device comprises an ultrasonic generator and at least one energy conversion assembly, the energy conversion assembly can be mounted on the pipeline, is electrically connected to the ultrasonic generator, is used for converting an electric signal generated by the ultrasonic generator into mechanical vibration, and comprises a transducer and an ultrasonic application device; the transducer is electrically connected to one end of the ultrasonic generator and one end of the ultrasonic application device and is used for converting an electric signal generated by the ultrasonic generator into mechanical vibration; the ultrasonic applicator can be installed on the pipeline to transmit mechanical vibration generated by the transducer to the pipeline, and comprises an upper clamping body and a lower clamping body; a containing channel for containing a pipeline is formed between the upper clamp body and the lower clamp body, and the upper clamp body and the lower clamp body are detachably connected in a distance adjustable mode. The ultrasonic decontamination device can effectively remove graphite dust on the inner wall of the pipeline.

A fuel fragment screening device of a nuclear fuel loading and unloading system in a gas-cooled high-temperature reactor, comprising a box body, a spiral screen channel, a fuel ball inlet, a fuel ball outlet, and a waste outlet; the box body is arranged on the inlet line of the baffle, with the fuel ball inlet provided on the top of the box body and the fuel ball outlet and the waste outlet provided on the bottom; inside the box body, between the fuel ball inlet and the fuel ball outlet, the spiral screen channel is provided, and the spiral screen channel has a certain angle and is in an inclined state, with the waste outlet being located below the spiral screen channel.During the operation of the present application, when the fuel balls, fuel ball fragment, and the dust mixture pass through the device, the device can completely separate the intact fuel balls from the fuel ball fragment and the graphite dust from the graphite ball fragment, thus effectively preventing the fragment and dust from entering the baffle and affecting its normal operation, thereby improving the normal operation of the fuel loading and unloading system and increasing the reliability of the system operation.

The utility model relates to the related field of graphite processing, in particular to a graphite dust falling device which comprises supporting legs, the two supporting legs are fixedly installed on the two sides of a collecting box body respectively, a motor is fixedly installed on a supporting plate arranged on the back face of the collecting box body, and the output end of the motor penetrates through the collecting box body and is fixedly provided with a rotating piece. A plurality of connecting plates are fixedly installed on the rotating part in the circumferential direction, circular rings are fixedly installed on the connecting plates, a plurality of elastic ropes are fixedly installed between the circular rings and the rotating part in the circumferential direction, fibers for increasing adhesive force are arranged on the elastic ropes, threaded through holes are formed in the collecting box body, and round head screws are rotatably installed on the collecting box body through the threaded through holes. According to the device, the purpose of dust falling is achieved in a dust adsorption mode, cost cannot be increased, noise pollution cannot be generated, and centralized treatment of dust is more convenient.

The utility model relates to the technical field of graphite electrode production, and discloses a graphite electrode shearing device which comprises a shearing box, one side of the shearing box is rotatably connected with a door plate, the other side of the shearing box is fixedly connected with a control panel, the top of the shearing box is fixedly connected with an air pump, the output end of the air pump is fixedly connected with an air outlet pipe, and the air outlet pipe is fixedly connected with an air inlet pipe. The input end of the air pump is fixedly connected with an air suction pipe, the other end of the air suction pipe is fixedly connected with an air suction pipe, the air suction pipe is fixedly connected to the interior of the shearing box, an electric push rod is arranged in the shearing box, and the output end of the electric push rod is fixedly connected with a moving block; a second motor is fixedly connected to the middle of the moving block. According to the graphite shearing device disclosed by the utility model, the air pump is used for working, and when the air pump works, air in the shearing box is pumped through the air suction pipe and the air suction pipe, so that generated graphite dust is collected while graphite is sheared.

The utility model relates to the field of spherical graphite dust removal, and discloses a cyclone separation dust removal device for spherical graphite production, which comprises a support frame, the inner wall of the support frame is fixedly connected with a separation bin, the front side of the outer wall of the separation bin is fixedly connected with a feed pipe, and the top of the inner wall of the separation bin is fixedly connected with an exhaust bin. A motor is fixedly connected to the top of the separation bin, a transmission rod is fixedly connected to the output end of the motor, a plurality of oval blocks are fixedly connected to the outer wall of the transmission rod, a locking ring is fixedly connected to the inner wall of the exhaust bin, and a plurality of connecting blocks are fixedly connected to the upper side and the lower side of the inner wall of the locking ring. And a spring is arranged on the inner wall of the connecting block. According to the dust removal device, the exhaust bin, the motor, the transmission rod, the elliptical block and other components are matched for use, so that the dust removal precision can be effectively improved, dust-containing air can be purified for multiple times again, and the influence of blockage on use of the device is effectively avoided.

The present invention proposes a verification system and method for off-core purging of a high-temperature gas-cooled reactor baffle, which belongs to the technical field of high-temperature gas-cooled reactors. The verification system of the present invention includes: a mounting block, a purge air intake duct and a fan; a baffle is installed on the mounting block, one end of the purge air intake duct is connected to a ball receiving position or a ball delivery position of the baffle, and the fan is connected to the other end of the purge air intake duct to purge the dust in the baffle, and by establishing a relationship between the gas purge flow rate and the dust cleaning effect in the baffle, the minimum gas purge flow rate is determined, and the minimum gas purge speed under the effective dust cleaning condition of the baffle is obtained, providing data input for the regular purge work of the baffle on the demonstration project site, and after being applied to the regular purge work of the baffle in the demonstration project, the graphite dust accumulated in the equipment is effectively collected, and the expected purpose of regular cleaning is achieved.

The utility model relates to the technical field of graphite dust recovery, in particular to a dust recovery mechanism of a graphite pulverizer, which comprises a shielding cover body, a dust collection round opening is arranged on one side in the shielding cover body, an air suction pipe is arranged on one side of the dust collection round opening, and a telescopic pipe is arranged at the bottom of the air suction pipe. A barrel type dust collector is installed at the bottom of the telescopic pipe, a dust sweeping assembly is arranged on the top face of the interior of the shielding cover body, and separation nets are arranged between the two sides of the interior of a dust collection round opening. The dust collection device has the beneficial effects that the separation net can be cleaned through the dust sweeping assembly, so that the dust recovery efficiency can be improved, dust at the dust collection round opening can be sucked through the telescopic pipe and the air suction pipe by using the barrel type dust collector, and pollution to the site environment and harm to the body of personnel can be prevented as much as possible.

The utility model relates to a dust treatment mechanism for machining graphite by a machine tool, which is characterized by comprising a dust collection device, a three-way pipe, a dust suction cover body and a chip collection box, and the dust collection device is fixedly supported on one side of a machine tool body through stand columns arranged at four corners of the bottom of the dust collection device; an air inlet of the dust collecting device is connected with the air outlet end of a three-way pipe through a dust collecting pipeline, a valve assembly for manually controlling the size of a ventilation opening is arranged on the three-way pipe, the dust suction cover body is arranged on the right side of a machine tool Z axis, and a main air suction opening is formed in the bottom of the dust suction cover body. The dust collection cover body is connected with the first air inlet end of the three-way pipe through an upper ventilation pipe, the chip collection box is arranged at the bottom of the machine tool body, and an auxiliary air suction opening communicated with the inner space of the machine tool body is formed in the top of the chip collection box. According to the design, the valve assembly for manually controlling the size of the ventilation opening is arranged on the three-way pipe, variable suction force is achieved by controlling the valve, and different types of graphite dust or particles can be effectively treated and collected.

The utility model relates to a graphite pipe whole row cutting dust fall device which comprises a conveying table, a dust conveying pipe and a cutting mechanism, a moving assembly and a fixing assembly are installed on the conveying table, the moving assembly linearly moves relative to the fixing assembly, and after a plurality of graphite pipes in a whole row are clamped, the whole row of graphite pipes are conveyed to the graphite pipe output end of the conveying table as a whole; the cutting mechanism is mounted at the graphite pipe output end of the conveying table and is used for cutting the conveyed graphite pipe; the dust conveying pipe is installed at the output end of the cutting mechanism through a dust collecting cover and connected with dust collecting equipment to collect dust. According to the scheme, the effect of reducing flying of graphite dust can be achieved, the cutting efficiency of the graphite pipe can be improved, and production and manufacturing of graphite equipment are facilitated.

The invention belongs to the technical field of graphite dust treatment, and particularly relates to a graphite dust removal device with a dust conduction prevention function, which comprises a treatment chamber, a settling chamber and an air inlet flow guide assembly, the air inlet flow guide assembly comprises a hollow shaft; a group of reversing wheels are uniformly distributed on the surface of the hollow shaft; an air groove is formed in the reversing wheel; a group of spirally distributed air holes are formed between the air groove and the outer side of the reversing wheel; a group of shifting pieces are uniformly distributed on the surface of the reversing wheel; air is injected into the air inlet flow guide assembly in the treatment chamber through negative pressure equipment and sprayed outwards through the multiple evenly-distributed air holes, so that air flow can be dispersed into water in multiple directions and multiple point positions, graphite dust in the air is fully absorbed by the water, dust in the water continuously settles downwards, and the dust in the water is discharged out of the treatment chamber. According to the method, the problems of difficult collection, discharge risk and the like caused by static electricity in the graphite dust treatment process can be avoided.

The modular combined machining center comprises a machining center body, a dust suction mechanism is arranged on one side of the machining center body and comprises a dust collection box fixedly arranged on the machining center body, a first filter screen is arranged in the dust collection box, and an exhaust fan is installed at the bottom of the outer side face of the dust collection box; a corrugated pipe is connected to the dust collection box, a dust collection cover is arranged on the side, away from the dust collection box, of the corrugated pipe, a vibration motor is fixedly installed on the dust collection cover, and a sweeping mechanism is arranged in the dust collection cover. According to the modularized combined machining center, in order to solve the problem that an inlet of a suction pipeline is prone to being blocked due to the adsorbability of graphite dust, the vibration motor arranged on the dust collection cover can regularly vibrate, so that the graphite dust adsorbed to the inlet of the dust collection cover is loosened and falls off, and blocking caused by accumulation and adsorption of a large amount of dust is avoided; and it is effectively guaranteed that dust extraction work is continuously and stably carried out.

The application discloses a protective cover for a graphite numerical control machine tool tool magazine, a pushing assembly is arranged in an upper shell, a door is arranged at an opening of one end of a lower shell, a first fixed plate is arranged on the lower shell, a gap for storing the horizontally placed door is arranged between the first fixed plate and an upper top plate of the lower shell, air inlet holes are formed in the upper top plate of the lower shell, a second ventilation assembly is arranged in the lower shell, air outlet holes are formed in a lower bottom plate of the lower shell, the first ventilation assembly is arranged below the air outlet holes on the lower bottom plate of the lower shell, and the second ventilation assembly is connected with the first ventilation assembly through a driving assembly. The pushing assembly pushes the cutter out of the lower shell by pushing the door, meanwhile, the pushing assembly drives the second ventilation assembly to blow the dust in the lower shell to the position of the air outlet holes, the second ventilation assembly drives the first ventilation assembly to move through a driving mechanism, and the first ventilation assembly blows the dust in the lower shell, so that the graphite dust is prevented from being adsorbed on the cutter, and the cutter is protected.

The present application relates to the technical field of graphitization treatment, and particularly relates to a feeding and discharging assembly, a vertical continuous graphitization furnace and an operating method thereof, aiming at the problems of graphite dust countercurrent, feeding waste gas pollution and thermal expansion of the furnace body, the following technical scheme is provided, which comprises a furnace body, a main shaft, a feeding outer cylinder and a discharging pipe, a feeding inner cylinder is arranged in the feeding outer cylinder, air holes are formed in the outer wall of the feeding inner cylinder, and an annular gap is formed between the inner wall of the feeding outer cylinder, the annular gap is connected with a suction pipe, an annular pipe I is arranged in the discharging pipe, exhaust holes are arranged at the bottom of the annular pipe I, an inner concave ring I is fixed to the inner wall of the discharging pipe, a rotating disc is fixed to the outer wall of the main shaft, the furnace body is composed of an upper cover body, a lower cover body and a plurality of annular cylinders, the adjacent cylinder bodies are connected through fixing rings I, fixing rings II and graphite corrugated rings, which are used for collecting waste gas, preventing graphite dust countercurrent and adapting to thermal expansion when graphite materials are treated, so as to avoid dust invasion into the transmission system, high-temperature gas back spray and thermal stress cracking of the furnace body.

The utility model discloses a graphite grinder that prevents graphite dust from leaking, which comprises a grinding structure, a feeding structure and a dust collecting structure, the dust collecting structure is located at the lower side of the feeding structure, the grinding structure comprises a grinding box, the grinding box is fixed with a grinding assembly, the lower side of the grinding box is connected with a first discharge pipe, the first discharge pipe is connected with a powder storage box through a hollow threaded connecting piece, the dust collecting structure comprises an air inlet cover, the air inlet cover is connected with a first material guide pipe, the first material guide pipe is connected with a pretreatment assembly, the pretreatment assembly is connected with a dust collector through a second material guide pipe, the dust collector is connected with a dust removal assembly through a third material guide pipe, the graphite grinder that prevents graphite dust from leaking adjusts the discharge port of the storage box through a sliding seat, a sliding groove and a sealing plate, thereby adjusting the feeding amount, and the motor in the second motor box, a rotating screw and a second discharge pipe are used for uniform feeding, thereby ensuring the grinding effect of the lower side grinding roller.

A moving apparatus and a graphite dust accumulation amount online measurement system, the moving apparatus comprising a supporting mechanism (100), the supporting mechanism (100) comprising a pulley platform assembly (101) and a supporting rod assembly (102), and the supporting rod assembly (102) being arranged above the pulley platform assembly (101); a fixing mechanism (200), the fixing mechanism (200) comprising an emission fixing assembly (201) and a detection fixing assembly (202), the detection fixing assembly (202) being slidably provided on the outer side of the emission fixing assembly (201), and the emission fixing assembly (201) being fixed on the supporting rod assembly (102). By means of the mutual cooperation of the supporting mechanism (100) and the fixing mechanism (200), the measurement system can be moved as a whole, so that the measurement system does not need to be wholly disassembled when a pipeline is measured. By means of the graphite dust accumulation amount online measurement system, the accumulation amount and accumulation form of dust of a fuel loading and unloading system can be measured online.

The present invention discloses a dust removal device for graphite carbon material production, relates to the field of graphite carbon material production, and solves the problem that the existing dust removal device easily causes the blockage of the air intake duct. The device comprises: a device shell and a box body, a graphite rod feeding port is provided on the outer side of the device shell, an electric hydraulic rod is installed on the top of the device shell, an electric knife holder is installed on the bottom end of the electric hydraulic rod, two atomizing nozzles are installed on the outer side of the device shell, two water tanks are installed on the top of the device shell, and the water tanks are connected to the atomizing nozzles through a water pump; the device also comprises: a powder collecting mechanism, which is used to collect the graphite dust processed by the atomizing nozzles into the box body, and the powder collecting mechanism is installed on the inner side of the box body; the present invention can use the powder collecting mechanism to enable the two atomizing nozzles to perform dust reduction treatment on the graphite dust generated during the graphite rod processing, and the formed graphite slurry can enter the box body along with the water flow discharged from the atomizing nozzles, thereby achieving the effects of rapid dust removal and anti-blocking.

The utility model provides a graphite die processing surface grinding machine with a dust collection effect, which belongs to the technical field of mechanical engineering and comprises a grinding machine body, a rotary grinding wheel and a workpiece tray, the dust suction mechanism comprises a suction fan arranged on the outer side of the grinding machine body, an air outlet communicating with the lower portion of the suction fan, an air suction opening communicating with an inner cavity of the suction fan, a dust collection box communicating with the other end of the air suction opening, an airflow grating fixedly installed on the outer surface of the dust collection box and an impurity grating fixedly connected to the inner wall of the dust collection box. Graphite dust can be sucked into the dust collection box through the dust suction mechanism, dust can be prevented from being attached to the surface of a workpiece or entering the machine tool, the graphite dust can be prevented from entering the suction fan, and through cooperation of the driving assembly and the anti-blocking assembly, the graphite dust can be prevented from entering the suction fan through suction force of the suction fan. Graphite dust attached to the surface of the impurity grating is intermittently swept away.

The invention relates to the technical field of laser cladding for surface modification of wear-resistant parts such as bearings, in particular to an in-situ synthesized WC particle reinforced laser cladding coating and a preparation method thereof. The method comprises the following steps: uniformly mixing glue and graphite powder by adopting a gluing method, and presetting the graphite powder mixed with the glue on the surface of a base material by adopting a pre-paving method, so that a carbon source is supplemented, and graphite dust is reduced, thereby being beneficial to environmental protection and cleaning; mixed powder of blue tungsten and Ni60A is fed to the surface of a base material in a synchronous powder feeding mode, strengthening phase particles such as WC are synthesized in situ under the action of a laser heat source and are uniformly and densely distributed in a cladding layer, and the hardness and wear resistance of the cladding layer are enhanced.

The invention relates to the technical field of graphite box plate machining, in particular to a dust removal device for graphite box plate machining. A dust removal device for graphite box plate machining comprises a control table and further comprises an anti-deposition mechanism arranged on the control table, the anti-deposition mechanism comprises a rectangular cover arranged on the control table in a sliding and sleeving mode, the rectangular cover is fixedly installed in a numerical control machine tool through a support, and the top of the rectangular cover is symmetrically communicated with connecting covers. The rear sides of the two connecting covers jointly communicate with an air pump, and control plates are elastically and slidably installed at the bottoms of the inner walls of the connecting covers in the front-back direction. Through the design of the anti-deposition mechanism, in the graphite plate cutting process, airflow blown out by the air pump can be blown to graphite dust through a channel formed by the control plate A, the control plate B, the sliding frame and the sliding plate, the graphite dust is prevented from being deposited in the graphite box, through the design of the adjusting mechanism, the flow speed of the airflow can be adjusted, and the cutting efficiency is improved. And the graphite dust can be blown by the airflow.

The utility model relates to the related technical field of graphite product machining, and one embodiment of the utility model provides an annular graphite product coring device which comprises an equipment frame, a control motor and a fixing chuck, the control motor is arranged on the side surface of the equipment frame, the fixing chuck is arranged at the output end of the control motor, a side plate is arranged on the equipment frame, and the fixing chuck is arranged at the output end of the control motor. The driving assembly is arranged between the side plate and the equipment frame, the coring assembly is arranged on the side plate and comprises a transmission cavity, the transmission cavity is formed in the side surface of the side plate, a rotating seat is rotationally connected into the transmission cavity, a clamping groove is formed in the surface of the rotating seat, a coring tool is inserted into the clamping groove, and the coring tool is fixedly connected with the clamping groove through a bolt. By means of the technical scheme, the technical problems that in the prior art, an existing coring device generally does not have the dust collection function, graphite is soft in texture, and a large amount of graphite dust can be generated in the coring process are solved.

The present disclosure provides a multi-station hoisting device for the maintenance of a control rod drive mechanism of a high-temperature gas-cooled reactor, comprising a frame, an outer shell, a first hoisting assembly, a second hoisting assembly and a rotatable mounting plate; the outer shell is sleeved on the outer side of the frame, and a first mounting position and a second mounting position are provided on the frame, and a first hoisting assembly is selectively provided at the first mounting position, and a second hoisting assembly is selectively provided at the second mounting position; the first end of the rotatable mounting plate is connected to the frame, and the second end is used to be rotatably connected to an atmosphere isolation device, and it is also provided with a hollow position to allow the first hoisting assembly and the second hoisting assembly to be hoisted to the control rod drive mechanism under the atmosphere isolation device through the hollow position. After the atmosphere isolation device is installed once, multiple control rod drive mechanisms of any unit under the atmosphere isolation device can be hoisted and transported, and the leakage of primary helium and the diffusion of radioactive graphite dust and other substances can be effectively prevented during the hoisting process.

The utility model provides a kind of airflow classification mechanism of spherical graphite production, including classifier body, air outlet pipe and air inlet pipe, the air outlet pipe is connected in the top of classifier body, the upper portion of classifier body is fixedly provided with mounting plate, the air inlet pipe is connected in the top of one side of classifier body and located below mounting plate, compared with prior art, the utility model has the beneficial effects as follows: by starting external air pump, airflow is transported to the inside of classifier body by air inlet pipe to carry out graphite dust particle classification separation, part of airflow can be transported to the inside of fixed box by air duct inside airflow transmission stirring mechanism, airflow can drive fan blade to move and drive stirring shaft to rotate, stirring shaft can drive connecting frame and stirring rod to rotate in the inside of discharge hopper, so that airflow classifier can synchronously drive stirring mechanism to rotate when conveying airflow to classify material, without separate motor drive, effectively save the production cost of spherical graphite.

The invention discloses a self-lubricating gear shaft which comprises a main shaft rod, an axial flow wind disc, a sliding ring set, a grinding ring sleeve and a self-lubricating assembly. A shaft hole is formed in the main shaft rod, axial flow wind discs are installed at the two ends of the main shaft rod, opposite airflow is formed in the shaft hole in the rotating process, and suction, flow guiding and directional discharging of graphite dust are achieved in cooperation with the flow inlet gaps, the chip removal flow channels and the chip removal holes. The sliding ring set is fixedly connected with the grinding ring sleeve and supports the grinding ring sleeve to rotate on the surface of the self-lubricating assembly, and the inner wall of the grinding ring sleeve is of a rough surface structure and continuously rubs with graphite sliding flaps of the self-lubricating assembly to generate lubricating dust. The graphite sliding flaps are kept attached under the radial extrusion action of the tensioner, and continuous generation of lubricating dust is guaranteed. And the rotary guide part arranged on the surface of the main shaft rod can guide the airflow, so that the escaping dust is re-attached and recycled. According to the structure, automatic generation and uniform distribution of lubricating dust are achieved, manual filling or external oil supply is avoided, the lubricating automation level of the gear shaft is improved, abrasion is reduced, and the service life is prolonged.

The utility model belongs to the technical field of graphite processing, and particularly discloses a spindle dust suction device of a graphite processing center, which comprises a sleeve frame and a slide way, the slide way is arranged between two sides of the top end of the sleeve frame, a slide plate is movably inserted in the slide way, and first electric wheels are respectively mounted at the front end and the rear end of the left side of the bottom of the slide plate. A rail is fixed between the front and back of the top end of the sliding plate, and a stand column is longitudinally inserted into the rail. According to the spindle dust collection device of the graphite machining center, the sliding plate is movably inserted into the sliding way, the first electric wheel drives the sliding plate on the top to move left and right, the stand column is moved front and back along the groove in the rail through the second electric wheel, the positions of objects such as a shell are adjusted from the left-right direction, the front-back direction and the like, and dust is absorbed close to the spindle body; and the collecting box mounted on the sliding plate at the bottom passes through the gauze after the sucking pump is started to suck the graphite dust particles drifting in the air, so that the problem of lack of a collecting mechanism is solved.

The present invention discloses an automatic disassembly and assembly system for a graphite boat, which calibrates the disassembly and assembly working position of the graphite boat through a positioning device and fixes the graphite boat. A first detection device detects the position information of multiple boat pages, multiple spacers, multiple boat feet and multiple connecting parts. The disassembly and assembly device is used to disassemble and assemble the multiple connecting parts, multiple boat pages, multiple boat feet and multiple spacers respectively according to the corresponding position information in the first detection device. The lifting device lifts and lowers the graphite boat according to the disassembly and assembly progress of the disassembly and assembly device, thereby realizing fully automated disassembly and assembly of the graphite boat, improving production efficiency, reducing manual intervention, and effectively avoiding the risk of graphite dust causing harm to the human body.

The utility model discloses a heat accumulating type oxidation furnace horizontal pushing valve, which belongs to the technical field of waste gas treatment and comprises an outer pipeline component and an inner pipeline component, the inner pipeline component is arranged on one side of the outer pipeline component, valve rods are inserted into the outer pipeline component and the inner pipeline component in a sliding manner, and one ends, close to each other, of the two valve rods are fixedly connected with a valve plate component. The valve plate assembly is located between the outer pipeline assembly and the inner pipeline assembly, the end, close to the valve plate assembly, of the inner pipeline assembly is fixedly connected with a flexible graphite dust-free asbestos sealing ring, and the flexible graphite dust-free asbestos sealing ring corresponds to the valve plate assembly. The horizontal pushing valve aims to solve the problems that in the prior art, a sealing ring used by a horizontal pushing valve is mainly made of aramid fibers and carbon materials or metal in a butt-joint sealing mode, the sealing effect is poor, meanwhile, sealing aging is fast, impurities are prone to being left on the sealing ring after long-time use due to the fact that part of waste gas contains the impurities, and the sealing effect is poor. And poor sealing is caused when the valve plate is in contact with the sealing ring.