20 results about "Graphite dust" patented technology

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 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 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.

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 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 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 invention discloses an anti-corrosion graphite gasket composite structure, which comprises a graphite base body, which is formed into a hollow disc-shaped structure and is used for providing a heat conduction function; the special engineering plastic isolating layer is of an annular sleeve structure, sleeves the peripheral edge of the graphite base body and is used for isolating corrosive gas; wherein the graphite base body is in clearance fit with the special engineering plastic isolating layer, and the tolerance zone of the clearance fit is smaller than or equal to 0.3 mm. Compared with the prior art, the invention has better corrosion resistance and more stable heat conduction efficiency, and can prevent graphite dust from polluting the cavity environment.

The present application relates to lithium battery positive electrode material processing technical field, especially to a kind of lithium battery positive electrode material heating soaking equipment, shell inside is provided with soaking pool, the bottom surface in soaking pool is rear high and front low inclination structure, soaking pool outside is provided with liquid inlet pipe, liquid inlet pipe front is provided with liquid pump, both sides in liquid inlet pipe middle part are provided with side liquid jet pipe, side liquid jet pipe extends into soaking pool inside, liquid inlet pipe rear portion is fixedly connected and is communicated with rear liquid jet pipe, rear liquid jet pipe left and right ends and two side liquid jet pipes are provided with first valve.The present application is heated by circulating heating water pipe, and closed loop circulation is formed with external heating device, and the soaking liquid is heated by water bath heat exchange method, and three-way high pressure flushing is realized by using left and right side liquid jet pipes and front side spraying of rear liquid jet pipe, and the bottom surface structure is guided to guide impurities self-flowing drainage, to achieve the effect of accurately maintaining process temperature, eliminating the contact dead angle of plate surface, accelerating the stripping of graphite dust and other impurities and completely discharging.

The invention discloses a two-stage dust removal system for graphite mineral separation dust and a dust removal and recovery method, and belongs to the technical field of industrial dust treatment. The system comprises a first-stage cyclone dust removal unit, a second-stage pulse bag type dust removal unit, an induced draft fan and a dust recovery system which are sequentially communicated through a pipeline. And an anti-static film-coated filter bag and a pulse blowing dust removal system are arranged in the secondary pulse bag type dust removal unit. The core of the system is that an intelligent control system is arranged and can dynamically calculate the ash removal threshold value and strength through a self-adaptive algorithm model on the basis of pressure difference and dust concentration data collected in real time, and intelligent ash removal is achieved. The invention also integrates an electrostatic monitoring and explosion suppression device and a quality-based recovery system based on online particle size analysis. According to the invention, the defects of traditional dust removal equipment in efficiency, safety and resource recovery are overcome, and high-efficiency trapping, safety prevention and control and high-value resource recovery of ultrafine graphite dust are realized.

The invention relates to a titanium alloy casting graphite casting mold device, belongs to the technical field of titanium alloy graphite mold cleaning, and solves one of the problems that a dust collection device is separated from a crushing device, the dust collection effect is poor, and a crushing assembly cannot continuously and automatically act in the prior art. The crusher comprises a bracket, a crushing assembly and a dust collecting assembly, the bracket is erected on a casting; the crushing assembly is detachably arranged on the bracket; the crushing assembly is used for crushing a graphite coating of the casting; the dust collection assembly is arranged on the bracket; the dust collecting assembly is connected with the crushing assembly, and the dust collecting assembly is used for collecting graphite dust in the process that the crushing assembly crushes the graphite coating. According to the graphite casting mold device for titanium alloy casting, the functions of powder collection and automatic contact operation can be achieved in the process of crushing a graphite coating of a casting.

The utility model relates to the technical field of graphite product production, and discloses a graphite product granulation device which comprises a machine shell, a sealing door and a screen are arranged on the side wall of the machine shell, an air inlet plate fixedly connected to the machine shell is arranged on the top of the screen in a matched mode, and a top part is fixedly connected to the top of the air inlet plate. The air pump assembly operates to enable air in the top part to be pumped out, at the moment, the air containing graphite dust at the top of the screen is sucked into the top part through the air inlet, then when the air enters the filtering part, dust is filtered by the dust filtering net, and finally the air is discharged from the output end of the air pump assembly. Therefore, graphite dust which is generated when graphite materials are discharged outwards from the filter screen and drifts outwards is filtered, the dust is prevented from being diffused into a working environment, the content of the dust in the working environment is reduced, and the influence of the dust on workers is reduced.

The invention relates to the technical field of graphite processing and grinding, in particular to a graphite processing grinding device capable of preventing graphite dust from leaking outwards. The raw material box is fixedly connected with the shell wall of the top end of the shell, and a box cover is arranged on the raw material box in a clamped mode; the grinding unit is arranged on the outer side of the bottom end of the raw material box and is connected with the shell; the material guiding assembly is arranged between the raw material box and the grinding unit and is fixedly connected with the raw material box; the recycling box is arranged on the outer side of the bottom end of the grinding unit and connected with the shell in a clamped mode. The leakage prevention unit is arranged on the outer side of the shell and is connected with the shell; wherein the anti-leakage unit comprises a control assembly, a push-pull assembly and a collection assembly, graphite powder escaping to the inner side of the shell can be recycled and collected through the arrangement of the anti-leakage unit, so that pollution to the environment is avoided, and the grinding efficiency is greatly improved through circulating grinding.

The milling machine dust collection air pipe comprises a dust collection pipe, an electric heating element is fixedly connected to the peripheral side of the dust collection pipe in an embedded mode, a filtering assembly is arranged in the dust collection pipe, and the filtering assembly comprises a mounting ring and a positioning ring which are fixedly connected with the inner side walls of the two ends of the dust collection pipe. A filter screen cylinder is jointly arranged between the mounting ring and the positioning ring, a fixing ring is fixedly connected to the end, close to the mounting ring, of the filter screen cylinder, a shifting piece is fixedly connected to the outer side wall of the fixing ring, and a tray is fixedly connected to the outer side of the positioning ring. The filter screen cylinder, the shifting piece, the electric heating element and the dust collection pipe are matched with one another, the filter screen cylinder is arranged in the dust collection air pipe, graphite dust and chippings can be conveniently collected, impurities are concentrated, unified cleaning is facilitated, meanwhile, the electric heating element is arranged in the pipe, the interior of the pipe can be kept dry, and therefore it is prevented that graphite is affected with damp, and the performance of the graphite is damaged, and the service life of the graphite is prolonged. And the graphite chippings can be conveniently recycled and reused.