39 results about "Graphite dust" patented technology

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.

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 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 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.

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 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 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.

The invention provides a high-temperature gas cooled reactor fuel loading and unloading system which comprises a pressure container, a surge bin and a broken ball separator, and a fuel supply bin is arranged above the pressure container and connected with a vacuum pump. The surge bin is connected to the supply pipeline and located between the pressure container and the fuel supply bin in the vertical direction, and a gas inlet of the surge bin is connected with a helium gas source through a gas inlet pipe. The broken ball separator is located below the pressure container, and a burnup detection device is arranged in the broken ball separator. The new fuel balls are directly conveyed into the reactor in a gravity conveying mode, the situation that the fuel balls are damaged due to the fact that airflow carries the fuel balls to impact and collide with the conveying pipe is avoided, and the integrity of the fuel balls is improved. New fuel balls can be safely and stably supplied, and the problems of high graphite dust content and frequent ball clamping in the conveying process of the fuel balls can be effectively solved.

The utility model is suitable for the technical field of graphite products, and provides a placing rack for graphite products, which comprises a rack body, a plurality of bearing plates, a plurality of supporting plates and a plurality of supporting plates, the knocking set is arranged on the frame body and comprises a driving part and an abutting part driven by the driving part to rotate, the abutting part abuts against the bearing plate and is arranged above the bearing plate, the abutting part and the angle iron are arranged on the two sides of the bearing plate respectively, and the abutting part can rotate to drive one side of the bearing plate to move downwards; it is ensured that graphite dust on the bearing plate is gathered to one side, and cleaning is convenient; the supporting pieces are rotationally connected to the frame body and support the bearing plates, and the supporting pieces and the angle iron are arranged on the two sides of the bearing plates respectively.

A device for producing hydrogen and graphite using liquid metal and natural gas includes desulfurization and dehydration equipment, a heat exchanger, a cooler, gas-solid separation equipment, a pressure swing adsorber, a hydrogen storage tank, a main control system, a cavity, a top cover, an air inlet pipe, a reactor, a vacuum pump, an exhaust pipe, a graphite tube, and an air blow pipe. The present invention utilizes liquid metal to act on natural gas to crack and produce hydrogen and graphite. Methane in the natural gas undergoes a direct cracking reaction to generate hydrogen and graphite. The production process does not emit carbon dioxide. During operation, the hydrogen produced by cracking in the reactor carries graphite dust and is discharged from the reactor, achieving continuous discharge of graphite from the reactor. The hydrogen in the product can be purified and used in industries such as fuel cells, and the carbon powder can also be used in the industrial field. The overall economic efficiency of the process is guaranteed to a certain extent. It has the potential for large-scale application in the future direction of carbon-free hydrogen production and can achieve automated continuous production. The present invention has good prospects.

This invention relates to the field of graphite box plate processing technology, and more particularly to a dust removal device for graphite box plate processing. A dust removal device for graphite box plate processing includes a control console and an anti-deposition mechanism disposed on the control console. The anti-deposition mechanism includes a rectangular cover slidably fitted onto the control console. The rectangular cover is fixedly installed inside a CNC machine tool by a bracket. A connecting cover is symmetrically connected to the top of the rectangular cover. An air pump is connected to the rear sides of the two connecting covers. A control plate and a control panel are elastically slidably mounted on the bottom of the inner wall of the connecting cover in the front-back direction. Through the design of the anti-deposition mechanism, during the graphite plate cutting process, the airflow blown by the air pump can be directed towards the graphite dust through the channel formed by the control plate A, control plate B, sliding frame, and sliding plate, preventing graphite dust from depositing inside the graphite box. Through the design of the adjustment mechanism, the airflow velocity can be adjusted to ensure that the airflow can blow away the graphite dust.

The utility model discloses a pneumatic control carbon brush conductive tool setting mode scribing cutting machine air electric spindle which comprises a rotating shaft installation cylinder, a cutting assembly is arranged at one end of the inner wall of the rotating shaft installation cylinder, a control assembly is arranged at the other end of the rotating shaft installation cylinder, and a conductive assembly is arranged on the inner wall of the control assembly. By means of the conductive assembly arranged on the control assembly, when the height of the carbon brush needs to be measured, compressed air is introduced for contact conduction, the carbon brush is pulled back to be in a non-contact mode by a spring in the non-measurement period of cutting work, abrasion is reduced, the service life of a main shaft is prolonged, and the vibration influence of the carbon brush on the main shaft is reduced; and meanwhile, the filter assembly is arranged on the control assembly, so that compressed air entering the system can be effectively purified, and the main shaft and other key components are further protected from being polluted.

The utility model relates to the technical field of graphite processing devices, and discloses a dust filtering device for graphitization production, which comprises a box body, a hopper is fixedly assembled at the top of the box body, and a grinding rod is rotatably connected to the inner wall of the hopper. Through the arrangement of the box body, the hopper, the first motor, the first lead screw, a transverse rod, a limiting block, a screen, a recycling box, a dust collection net, a connecting pipe and a sleeve pipe structure, in the operation process of the device, a user can cover the hopper through a shielding plate, so that it is guaranteed that graphite dust cannot be leaked to the outside in the operation process of the grinding rod, and the service life of the grinding rod is prolonged. Meanwhile, an exhaust fan, a connecting pipe and a sleeve are matched to enable air carrying graphite dust to be in contact with a dust collection net, and the graphite dust falling onto a material guide plate is screened through a screen, so that the effect of filtering the graphite dust is achieved, and then the graphite dust is prevented from generating adverse effects on the physical function of an operator; and the utilization rate of a graphite material by a user is improved.

The application discloses a high-temperature gas cooled reactor graphite sphere with a zirconium coating layer and a preparation method thereof. The graphite sphere with the zirconium coating layer comprises a graphite sphere substrate and a zirconium coating layer from inside to outside. The thickness of the zirconium coating layer is 0.25-0.50 mm. The graphite sphere with the zirconium coating layer can significantly reduce the amount of graphite dust in a high-temperature gas cooled reactor primary circuit without changing the characteristics of a reactor core, improve the operation safety of the high-temperature gas cooled reactor, and improve the economy and reliability of the high-temperature gas cooled reactor. The preparation method of the graphite sphere with the zirconium coating layer is simple and easy to operate.

The invention relates to a dust collection device for graphite carbon material production and processing, and relates to the technical field of graphite processing, the dust collection device comprises a bag-type dust collector and a dust collection box which are communicated through a pipeline, the upper end of the dust collection box is connected with an atomization mechanism, and the dust collection device further comprises a guide cylinder, a rotating mechanism, a blowing mechanism and a follow-up impact part; a honeycomb ceramic filter cylinder which is arranged in the length direction of the guide cylinder and can rotate is assembled in the guide cylinder, and the output end of a rotating mechanism is in transmission connection with the honeycomb ceramic filter cylinder and used for driving the honeycomb ceramic filter cylinder to rotate around the axis of the honeycomb ceramic filter cylinder; dynamic filtering is achieved through rotation of the honeycomb ceramic filter cartridge, the capturing and purifying effect on graphite dust is greatly improved, when the rotating mechanism drives the honeycomb ceramic filter cartridge to rotate, the purging mechanism synchronously purges downwards and cooperates with the first impact part of the follow-up impact part to periodically impact liquid flow, turbulent flow scouring is formed, and the dust removal effect is improved. Sticky mixtures attached to the surface of the filter cartridge can be quickly removed.

The utility model discloses a kind of graphite pressing forming dustless injection devices, belong to graphite material processing equipment field, including injection device rack, the upper end of injection device rack is fixedly installed with graphite bin, the right end of graphite bin is provided with material conveying pipe, the lower end of material conveying pipe is fixedly installed with connecting pipe, the lower end of connecting pipe is fixedly installed with dustless injection cover, the lower end of graphite bin is rotatably installed with spiral feeding rod, the left side of graphite bin is fixedly installed with driving motor, the output shaft of driving motor is fixedly connected with spiral feeding rod, the right end of spiral feeding rod is movably inserted in material conveying pipe;Dust removal component is set, so that graphite dust in graphite bin is conveyed out by spiral feeding rod and driving motor and is put on graphite product forming mold by material conveying pipe, connecting pipe and dustless injection cover when, dust generated can be collected and handled in time, avoid dust flying.

The application discloses a self-lubricating gear shaft, which comprises a main shaft rod, an axial flow fan disc, a slip ring group, a grinding ring sleeve and a self-lubricating assembly. The main shaft rod is internally provided with a shaft hole, and the axial flow fan disc is installed at both ends, forming opposite air flows in the shaft hole during rotation, cooperating with an inlet gap, a chip removal flow channel and a chip removal hole, and realizing the inhalation, flow guide and directional discharge of graphite dust. The slip ring group is fixedly connected with the grinding ring sleeve and supports the grinding ring sleeve to rotate on the surface of the self-lubricating assembly, the inner wall of the grinding ring sleeve is provided with a rough surface structure, and the graphite sliding vane of the self-lubricating assembly is continuously rubbed to generate lubricating dust. The graphite sliding vane is kept adhered under the radial extrusion of the tensioner, so that the continuous generation of the lubricating dust is ensured. The rotary guide part arranged on the surface of the main shaft rod can guide the air flow, so that the escaped dust is reattached and recycled. The structure realizes the automatic generation and uniform distribution of the lubricating dust, avoids manual injection or external oil supply, improves the lubrication automation level of the gear shaft, reduces the abrasion and prolongs the service life.

The invention discloses an environment-friendly graphite product production waste gas treatment device which comprises a box body, and the left side of the box body is communicated with a gas inlet pipe. Waste gas is driven by an external fan to flow upwards, graphite dust in the waste gas is filtered by a filter plate, when the filter plate needs to be cleaned, a motor is started, the motor drives a bevel gear to rotate, the bevel gear rotates and moves backwards through a threaded rod meshed with the bottom at the same time, and the graphite dust in the waste gas is filtered out. The bevel gear drives the motor and the cleaning brush to rotate and move backwards at the same time, the cleaning brush rolls to brush off graphite dust attached to the surface of the filter plate, the dustproof cloth shields the fallen graphite dust on the outer side of the mounting sleeve, the graphite dust falls into the water tank and is adsorbed by water, the advantage of efficient filtration is achieved, the surface of the filter plate cannot be blocked by the graphite dust, and the service life of the filter plate is prolonged. By using the cleaning mechanism, dust accumulated on the surface of the filter plate can be cleaned, and the treatment efficiency of the graphite product production waste gas is effectively improved.

The utility model provides a graphite impurity removal device, which belongs to the technical field of graphite impurity removal, and comprises a fixing mechanism and a fixing shell, the top of the fixing shell is fixedly connected with a shielding mechanism through a bolt, the two sides of the fixing shell are fixedly connected with a storage mechanism, the fixing mechanism comprises the fixing shell, and the fixing shell is fixedly connected with the shielding mechanism through a bolt. The bottom of the fixing shell is fixedly connected with a supporting rod, the bottom of the supporting rod is fixedly connected with a fixing flange, the bottom of the fixing shell is fixedly connected with a shielding shell, and the interior of the shielding shell is fixedly connected with a first motor. The storage shell, the conveying pump, the input pipe and the feeding head are additionally arranged through the connecting shell, suction force is generated on the input pipe and the feeding head after the conveying pump is powered on, at the moment, the feeding head and the input pipe convey graphite dust impurities into the storage shell through the conveying pump, and at the moment, the storage shell provides a unified containing space for the graphite impurities; and subsequent graphite impurities can be taken conveniently.