1649results about "Incrustation removal devices" patented technology

The present invention discloses a sintering production line, comprising: a kiln, a kiln car conveyor line, a material receiving device, a material feeding conveyor line and a bowl loading and unloading device. The kiln car conveyor line comprises a plurality of bowl-carrying kiln cars that circulate along a closed-loop conveying route. The conveying route comprises a sintering section and a loading and unloading section. The kiln is arranged in the sintering section for heating and sintering the sagger. The material receiving device is arranged on the upstream side of the loading and unloading section for collecting the sintering material. The material feeding conveyor line is arranged on the downstream side of the loading and unloading section for loading the empty sagger into the powder material to be sintered. The bowl loading and unloading device is used to move the sagger between the bowl-carrying kiln car, the material receiving device and the material feeding conveyor line. The sintering production line of the present invention has a high degree of automation, avoids the high-intensity operation of the staff in a harsh environment, and improves the efficiency.

The invention is suitable for the technical field of advanced powder metallurgy and ceramic material sintering, and provides an assembly line type flash sintering system and a sintering method. The system comprises a powder loading and pre-pressing module, a first automatic graphite paper pressing, paving and replacing module, a sintering module, a demolding and sampling module and a second automatic graphite paper pressing, paving and replacing module which are sequentially arranged in the material flowing direction, all the modules are connected through the vacuum switching module to form a continuous vacuum environment; the system further comprises a conveying system which is used for driving the sintering units bearing materials to sequentially flow among the modules. The continuous flash sintering device is suitable for carrying out efficient and full-automatic continuous flash sintering treatment on powder materials in a vacuum or protective atmosphere environment, the platform overturning risk can be fundamentally avoided, and the stability and safety of the sintering process are ensured.

The invention discloses direct-current plasma furnace smelting equipment for metal waste slag, and relates to the technical field of metal waste slag treatment.The direct-current plasma furnace smelting equipment comprises a machining mechanism, a lifting mechanism for moving an electrode is arranged on the side face of the machining mechanism, and a cleaning mechanism for cleaning the electrode is arranged on the side, close to the lifting mechanism, of the upper surface of the machining mechanism; according to the device, the cleaning mechanism is arranged to clean the outer surface of the pole, so that the situation that slag is accumulated on the outer surface of the pole, and the conductivity and the smelting efficiency of the pole are affected is avoided; and a discharging opening and a feeding opening of the discharging box are sealed through the discharging mechanism, harmful gas generated by smelting is prevented from being discharged through the discharging opening and the feeding opening, cleaned slag is discharged through a rotating pipe and a pushing rod, and the slag is discharged out of the cleaning box through a slope formed by an inclined plate.

The invention discloses a coking inhibitor and a preparation method thereof. The coking inhibitor comprises a reducing agent, a sulfur-containing substance, a silicon-containing substance and a calcium-containing substance, and the valence of the sulfur element in the sulfur-containing substance is negative bivalence or zero valence. Therefore, by adopting the coking inhibitor provided by the invention, the melting point of the coking body can be reduced, the coking body is promoted to be melted, and the occurrence of a coking phenomenon is favorably inhibited.

The invention is suitable for the technical field of powder metallurgy and advanced ceramic material sintering equipment, and provides an integrated flash sintering device for vacuum and a sintering method. The device comprises a power supply module, a high vacuum module, a first servo hydraulic machine, a second servo hydraulic machine, a third servo hydraulic machine, a mold rotation switching module, a vacuum feeding module, a green body pressing module, a demolding and mold cleaning module and a mold transfer module. According to the invention, an integrated gear tray design is adopted to integrate the functions of die installation, graphite paper treatment and green body pressing, and online synchronous cleaning of an electrode and a die is realized through die fixation and a cleaning brush arranged in a cleaning drum; therefore, full-automatic, high-efficiency and high-stability continuous production of flash sintering from powder filling to finished product collection is realized.

The invention discloses stainless steel production waste gas treatment equipment, and belongs to the technical field of waste gas treatment.The stainless steel production waste gas treatment equipment comprises a supporting table, a condensing box is assembled at the top end of the supporting table, a waste gas treatment box is assembled on the side face of the supporting table, and a partition plate is fixedly connected into the waste gas treatment box; and the side face of the condensation box is connected with a first condensation pipe through a water pump, the interior of the first condensation pipe communicates with three sets of second condensation pipes, the interior of the waste gas treatment box is fixedly connected with a filter plate, and the side face of a partition plate is fixedly connected with a motor through an L-shaped support plate. Through mutual cooperation of the filter plate, the water pump, the condenser pipe I, the motor, the screw rod I, the moving seat, universal shafts, a connecting rope, a condenser pipe II, a connecting rod I, a wiping block and a connecting rod II, the screw rod I rotates to drive the moving seat to slide, and meanwhile, through cooperation of the universal shafts and the connecting ropes, the wiping block synchronously moves along with the moving seat.

The invention discloses a vacuum consumable electric arc furnace with a hearth cleaning function, and relates to the technical field of electric arc furnaces, the vacuum consumable electric arc furnace comprises a mounting plate, a scraping part and a scrubbing part, a main pipe rotates to drive an arc-shaped scraper knife to rotate, various residual impurities on the inner wall of a hearth are scraped, and when the arc-shaped scraper knife makes contact with harder or large impurities, the arc-shaped scraper knife is driven to rotate. At the moment, an arc-shaped scraper knife extrudes a first spring, the collision force between the arc-shaped scraper knife and hard impurities is reduced through the first spring, a coating on the inner wall of the hearth is prevented from being damaged, a movable piston is pushed to move through a movable rod, liquid in a liquid storage cavity is extruded, and the liquid enters a blocking cavity through a connecting pipe and pushes a blocking piston to move; the through hole is aligned with the flow channel in the connecting rod, at the moment, the cleaning liquid enters the inclined nozzle through the flow channel in the connecting rod and is directly sprayed to the position where the arc-shaped scraper knife makes contact with the hard impurities, the hard impurities are independently further softened and diluted, the hard impurities are conveniently shoveled away by the arc-shaped scraper knife, and the cleaning efficiency is improved.

The invention provides a combustion-supporting air preheating device for an annealing furnace, and relates to the technical field of air preheating combustion-supporting equipment, the combustion-supporting air preheating device comprises a preheating box, and a plurality of rows of preheating pipes are fixedly connected in the preheating box; a threaded propeller shaft is rotationally arranged in the preheating box and close to the leeward side of the preheating pipe, and a longitudinal guide shaft is welded in parallel in the preheating box and close to the threaded propeller shaft; the preheating pipe is sleeved with a retaining ring in a sliding mode, a gear ring is rotationally installed on the retaining ring, a retaining ring is welded to the gear ring, a small annular steel wire brush and a large annular steel wire brush are fixed to the inner circumference and the outer circumference of the retaining ring respectively, and brush wires on the annular steel wire brush on the inner side are evenly distributed on the inner circumference of a supporting ring of the retaining ring. Brush wires on the annular steel wire brush on the outer side are uniformly distributed on the periphery of a supporting ring of the annular steel wire brush; according to the preheating device, the trouble that the preheating device needs to be greatly disassembled to expose the preheating pipe, and then the preheating pipe can be cleaned can be omitted, and operation and use are easy, convenient and efficient.

The invention relates to the technical field of graphite electrode production, in particular to a roasting device for graphite electrode production and a roasting method.The roasting device comprises a roasting box, a sieve plate and a plurality of rotating rollers, a plurality of connecting plates corresponding to the rotating rollers are horizontally arranged in the roasting box in a sliding mode, the rotating rollers are embedded and rotationally connected to the connecting plates, and a through opening is formed in the roasting box; the end part of the rotating roller penetrates through the through hole and extends to the outer side of the roasting box, and a pair of arc-shaped scraping plates is arranged on the outer side wall of the rotating roller; and the scraping assembly drives a plurality of pairs of arc-shaped scraping plates to synchronously scrape residues on the outer side wall of the rotating roller. Compared with roasting in the prior art, by arranging the sliding assembly, the rotating assembly and other parts, the distance between the rotating rollers can be adjusted, and the graphite electrode roasting device is suitable for graphite electrodes of different thicknesses. The rotating roller can rotate to drive the electrode to roll, so that uniform roasting is ensured. During roasting or after roasting is finished, the scraping assembly can clean residues on the rotating roller.

The utility model belongs to the technical field of aluminum processing, and discloses a drossing slag body collecting device which comprises a fixed frame fixed at the upper end of a smelting furnace, the lower end of the fixing frame is provided with a rotating block located in the smelting furnace and coaxial with the smelting furnace. A plurality of vertically-placed first battens are fixed to the circumferential wall of the rotating block and annularly and evenly distributed around the central axis of the rotating block, second battens are fixed to the lower ends of one side faces of the first battens, and the second battens are obliquely and upwards placed from the side close to the first battens to the side away from the first battens. The uppermost end of the second batten is lower than the uppermost end of the first batten, one end of the first batten and one end of the second batten are attached to the peripheral wall of the rotating block, and the ends, away from the rotating block, of the first batten and the second batten are attached to the peripheral wall of the inner side of the smelting furnace. Floating waste residues on the liquid surface can be quickly gathered, the gathered waste residues are automatically discharged out of the liquid surface to be collected, and the working efficiency of slagging-off and residue collection is improved.

The utility model provides a bearing device for battery piece processing and a laser-induced sintering processing device.The bearing device comprises a rotary table module, the rotary table module comprises a rotary driving mechanism, a supporting frame and a plurality of bearing tables, the bearing device further comprises a sweeping module, and the sweeping module comprises a long-strip-shaped brush; the rotary table module is at least provided with a machining station, a feeding station and a discharging station, the feeding station and the discharging station are adjacently arranged, and the brush is arranged between the feeding station and the discharging station and extends in the center direction of the supporting frame. The rotary driving mechanism drives the multiple bearing tables to sequentially and circularly pass through the feeding station, the machining station and the discharging station, and in the process that the bearing tables move to the feeding station from the discharging station, the brushes clean the table tops of the bearing tables. The brush is arranged between the feeding station and the discharging station, so that the brush cleans the bearing table in the process that the battery pieces on the bearing table are taken away and return to the feeding station without load, the working efficiency is improved, and the cleaning effect is better.

The utility model discloses an automatic soot blower for a calcining furnace. The automatic soot blower comprises an automatic driving module, a special-shaped telescopic module, a blowing pipe gun module, a high-temperature flue gas collecting module and a control module, the automatic driving module drives the special-shaped telescopic module to move transversely, the special-shaped telescopic module drives the blowing pipe gun module to stretch out and draw back longitudinally so as to stretch into the calcining furnace to blow ash, and the high-temperature flue gas collecting module can collect accumulated ash falling off from the calcining furnace and provide steam for the blowing pipe gun module. The device can replace manual work to clean ash deposition in the flame path of the calcining furnace, so that the labor intensity of workers is reduced.

The invention relates to the technical field of rotary kiln processes, and provides a method for reducing nodulation in a lime rotary kiln, which comprises the following steps: S1, raw material pretreatment; s2, controlling the environment in the kiln; s3, optimizing the structural design of the kiln body; and S4, cleaning and maintaining in the kiln. According to the technical scheme, through the process steps of proportioning the raw materials, calculating the calcining temperature in a kiln, adjusting the stockline of a cooler to be 1.5 m, starting to discharge ash, and ending when the stockline of the cooler is 0.5 m, the CaO range of block ash is reduced by 11.44%, the SiO2 range is reduced by 1.52%, the activity range is reduced by 94.88 ml, the CaO range of surface ash is reduced by 6.95%, the SiO2 range is reduced by 0.54%, and the activity range is reduced by 100 ml; the data verifies that the quality of the finished product ash subjected to multi-fuel combustion in the rotary kiln is relatively stable after the new method is adopted.

The invention discloses an electric furnace tail gas recovery heat exchange heating device, belongs to the technical field of tail gas treatment, and aims to solve the problems that the contact time of tail gas and a spiral water pipe is short, heat energy in the tail gas cannot be fully transmitted to a medium in the spiral water pipe, and the waste heat recovery efficiency is reduced. The electric furnace tail gas recovery heat exchange heating device comprises a device body, a gas inlet pipeline is arranged in the device body, a gas outlet pipeline is arranged on the side wall of the end, away from the gas inlet pipeline, of the device body, a pump is fixedly installed at the upper end of the device body, a heat preservation cavity is formed in the device body and communicates with the gas inlet pipeline, and a flow dividing cover is fixedly installed in the heat preservation cavity. According to the tail gas heat recovery device, heat in tail gas can be fully recovered and utilized, energy waste is reduced, the production cost is reduced, meanwhile, particle impurities in the tail gas can be removed, the phenomena of dust deposition and blockage in equipment are reduced, the maintenance cost of the equipment is reduced, and the heat exchange efficiency is improved.

The invention relates to the technical field of metal heat treatment, in particular to a heat treatment furnace waste heat recovery device for low-temperature ductile Ni-Mo-Cr series steel, which comprises a shell and further comprises a cleaning mechanism arranged in the inner wall of the shell; the filtering mechanism is arranged in the inner wall of the shell; the cleaning opening is formed in the outer wall of the bottom end of the shell; the heat exchange pipe is fixedly connected into the inner wall of the shell, and the outer wall of the shell is fixedly connected with an air inlet pipe; wherein the cleaning mechanism comprises a motor, and an output shaft of the motor is fixedly connected with a reciprocating screw rod; the filtering mechanism comprises a filter screen, and the inner wall of the filter screen is connected with a convex block in a sliding manner; the outer wall of the reciprocating screw rod is in threaded connection with a moving block; through the arrangement of the cleaning mechanism, an operator does not need to manually clean impurities in the filter screen and the shell, the working intensity is relieved, and the efficiency of maintaining the interior of the shell is also improved.

The utility model belongs to the technical field of metal matrix composites, and relates to a metal matrix composite preparation device which comprises a metal melting furnace, a reinforcement conveying device and a blowing mixing device, and the reinforcement conveying device is connected with the blowing mixing device so as to convey reinforcements to the blowing mixing device; the injection mixing device is provided with an air inlet and a nozzle communicated with the air inlet, the nozzle is inserted into a cavity of the metal melting furnace, the nozzle is arranged below the liquid level of metal melt in the metal melting furnace, and the nozzle is further communicated with a reinforcing body conveying device. And the reinforcing body is fed into the metal melt in the metal melting furnace through gas introduced into the gas inlet. According to the utility model, the enhanced body is mixed with the gas through the injection mixing device, and then is directly blown into the melt in the metal melting furnace, so that the enhanced body is more uniformly stored in the melt, and the agglomeration is avoided.

The invention discloses a steel plant high-temperature flue gas waste heat recovery system and method, and relates to the technical field of waste heat recovery, the steel plant high-temperature flue gas waste heat recovery system comprises a spiral conveyor, a flue gas pipeline and a waste heat recovery furnace, a main flue on process equipment in a steel plant is connected into a flue gas inlet of the waste heat recovery furnace through the flue gas pipeline, and a plurality of snakelike heating pipes are evenly distributed in the waste heat recovery furnace; one end of the snakelike heating pipe is connected with a water inlet pipe, the other end of the snakelike heating pipe is connected with a water outlet pipe, a plurality of ash discharge hoppers are arranged at the bottom of the waste heat recovery furnace, spiral conveyors are arranged at the bottoms of the ash discharge hoppers, a cleaning mechanism is arranged in the waste heat recovery furnace, and a smoke outlet of the waste heat recovery furnace is connected to next process equipment through a smoke exhaust pipeline. According to the system, the surfaces of the two sides of the S-shaped heating pipe can be cleaned, meanwhile, the knocking head of the knocking assembly can knock the inner wall of the waste heat recovery furnace, soot attached to the inner wall falls into the ash discharging hopper, automatic and comprehensive cleaning of heat exchange equipment is achieved, and the cleanliness of the surfaces of the heat exchange equipment is guaranteed.

The utility model discloses a roller kiln which comprises a kiln body, a roller bar used for conveying materials is arranged in the kiln body, a plurality of cooling air pipes communicated with an inner cavity of the kiln body are arranged at the top of the kiln body, one end of each cooling air pipe is communicated with a fan, a gas pipe is arranged on the side face of the kiln body, and the kiln body comprises an arch-top kiln body and a flat-top kiln body. Exhaust pipes are arranged on the two sides of an inner cavity of the flat-top kiln body in a penetrating mode, the exhaust pipes are connected with the flat-top kiln body through screws, the exhaust pipes on the two sides are located above and below the roller bars respectively, and the exhaust pipes are connected with the cooling air pipes through pipelines; the utility model has the advantages that tar is convenient to remove and the sintering effect is good.

The invention relates to the technical field of zinc powder manufacturing equipment, and particularly discloses a continuous production inert zinc powder atomization preparation device which comprises an atomization furnace, the bottom of the atomization furnace fixedly communicates with communicating pipes, and the two communicating pipes are connected with a large grading system and a small grading system correspondingly. Wherein one ends, far away from the atomizing furnace, of the large grading system and the small grading system are fixedly communicated with a balance tank. Molten zinc can be preliminarily refined when passing through the flow guide holes under the action of pressure intensity, finally enters the polymerization groove in the polymerization base and is differentiated again through the flow diffusion holes communicated with the polymerization groove, the molten zinc can be differentiated into trickles in a multi-stage mode through the multi-stage differentiation mechanism, the trickles can be more evenly distributed in the atomization chamber, and therefore the atomization effect is improved. By means of the technical scheme, the contact area between atomized gas and the liquid zinc is larger and more uniform, the situation that local liquid zinc is too much or too little is avoided, it is ensured that each part of liquid zinc can be fully and stably atomized, zinc powder with more uniform particle size is produced, and the product quality is improved.

The smelting furnace comprises a furnace body, a smelting cavity and a power cavity are formed in the upper side and the lower side of an inner cavity of the furnace body respectively, a first slag outlet and a second slag outlet are formed in the upper side and the lower side of the periphery of the smelting cavity, and a second partition plate is installed in the middle of a first partition plate in a clamped mode. The first partition plate and the second partition plate are arranged between the first slag outlet and the second slag outlet, a first motor is fixedly installed at the bottom of an inner cavity of the power cavity through bolts, and a driving rod connected with the middle of the smelting cavity and the middle of the power cavity in an inserted mode is welded to the upper end of the first motor through an output shaft of the first motor; a plurality of scraping plates and brush heads are arranged on the periphery of the upper end of the driving rod, the periphery of the driving sleeve is sleeved with a movable plate, the movable block is rotationally installed in the movable plate, a threaded rod is welded to the lower end of an output shaft at the lower end of the second motor, and the threaded rod is in threaded connection with the movable plate; the device can be used for removing waste residues remaining on the inner wall of the smelting furnace.

The invention relates to a slagging-off device for a copper alloy smelting furnace, a slagging-off spoon is controlled through a rotating and lifting device, the slagging-off device is provided with an air blowing pipeline, and the air blowing pipeline is integrated in a box body and specifically comprises an air tank, an air blowing pipe and a purging pipe. The purging pipe is communicated with the atmosphere and the air blowing pipe and sequentially comprises a purging valve, a single chip microcomputer, a vacuum pump, an air storage cylinder inlet, an air storage cylinder, an air storage cylinder outlet and an exhaust valve along an atmosphere circulation path. Nitrogen gas is continuously conveyed to the surface of the melt through the gas blowing pipeline, the oxygen concentration at the furnace opening can be reduced, slag generation is reduced, melt splashing is avoided, potential safety hazards can be reduced, and repeated slag generation is avoided.

The present invention relates to the technical field of smelting furnace devices, and particularly relates to a beryllium copper aluminum alloy smelting furnace, which includes a base; a smelting furnace assembly that can be rotated to a non-vertical state with respect to the base; an upper cover assembly that is arranged on one side of the smelting furnace assembly and can be rotated to the upper end face of the smelting furnace assembly to cover the upper end face of the smelting furnace assembly; a feeding assembly that is arranged on the other side of the smelting furnace assembly and can be rotated to the upper end of the smelting furnace assembly to add raw materials into the smelting furnace assembly; a first rotating motor is located on the same side as the feeding assembly, and its output shaft is connected to the first lifting cylinder. A cleaning motor is connected to the piston rod of the first lifting cylinder through a first connecting rod, and a cleaning brush is connected to the output shaft of the cleaning motor through the connecting plate. By adding raw materials into the smelting furnace assembly through the feeding assembly, the present invention avoids the danger generated when manually adding materials directly.

The utility model belongs to the technical field of furnace slag treatment, particularly relates to an AI identification automatic dust removal robot for a furnace slag treatment smart factory, and aims to solve the problems that furnace slag in a furnace is difficult to completely move out in the process of moving the furnace slag out of the furnace at present, and the furnace slag in the furnace is accumulated during long-time use, so that the furnace slag in the furnace cannot be completely removed. In order to solve the problems that in the prior art, ventilation in a stove is not smooth enough, and normal combustion of coal briquettes is affected, according to the scheme, the stove comprises an electric crawler-type base, a mounting box is welded to the top of the electric crawler-type base, a door plate is hinged to an opening in one side of the mounting box, and a vacuum pump is fixedly mounted on one side of the top of the electric crawler-type base through bolts; according to the furnace slag collecting device, the suction pipe can be transferred into the furnace, furnace slag stored in the furnace can be sucked out and collected into the net cage in a centralized mode, and therefore the furnace slag contained in the furnace can be conveniently and rapidly collected in the centralized mode in the actual use process, and the furnace can work stably and continuously.

The utility model relates to the technical field of nodular cast iron smelting, in particular to a slag scraping structure for nodular cast iron smelting, which comprises a furnace body, support plates are arranged on two opposite sides of the furnace body, and rotating rods are rotatably connected to the top ends of the two support plates. According to the cast iron pouring device, the two shells are embedded into the furnace body to bear cast iron, then the furnace body is heated to melt the cast iron between the two shells, then the swing cylinder is started to enable the furnace body to incline to pour molten iron, and after pouring is completed, the driving motor can be started to drive the two screws to rotate synchronously through the gear and the toothed belt, so that the two shells are moved out of the furnace body. A plurality of scrapers are driven to enter the two shells, then a power motor is started to drive the scrapers to rotate so that the scrapers can scrape the inner walls of the two shells, meanwhile, two electric push rods are started to drive the two shells to move in a reciprocating mode, the two shells collide with each other when the two shells are closed, and therefore molten iron in the shells can flow out more easily; and the scraper blades scrape the molten iron on the inner walls of the shells, so that the molten iron flows out of a gap between the two shells more easily.

The invention discloses a waste heat boiler mechanical vibration deashing process, which is characterized in that a plurality of vibration device groups are arranged on a waste heat boiler, and a control device controls the vibration device groups to be started according to the following rule in sequence: the first vibration device group starts vibration, and stops vibration after vibration corresponds to a set time, and the second vibration device group stops vibration after vibration corresponds to a set time; then the second rapping device set starts rapping, rapping is stopped after rapping corresponds to the set time, rapping is sequentially conducted according to the sequence till the last rapping device set stops rapping, and after the last rapping device set stops rapping, an ash tank replacement time period is reserved; the period from the beginning of rapping of the first rapping device group to the end of the replacement of the ash tank is the whole rapping period, and the control device controls each rapping device group to circularly rap according to the rapping rule of the rapping period. By the adoption of the process, the service life of the waste heat boiler can be prolonged, the electricity utilization safety performance is improved, and a forklift driver transporting the ash tank can also master the time point for going to an operation area to replace the ash tank.

The utility model relates to the technical field of petroleum coke calcining furnaces, and discloses a petroleum coke calcining furnace with an ash removal mechanism, which comprises a furnace body, a hopper is rotatably arranged on the upper side of the furnace body, a rotating rod is arranged in the hopper, a material guide plate is slidably arranged outside the rotating rod through a sliding block, and the material guide plate is provided with an ash removal mechanism. A transverse rod is fixedly connected to the surface of the end, located on the lower side of the material guide plate, of the rotating rod, a swing rod is arranged at the end, away from the rotating rod, of the transverse rod, and through cooperation of the transverse rod, the sliding rod, the swing rod, the scraper and other structures, the scraper can synchronously conduct scraping and sweeping cleaning on the inner wall of the furnace body while rotary material distribution is conducted; complex driving and executing mechanisms such as an independent electric push rod and a circular ring plate do not need to be arranged, the overall structure of the furnace body is simplified, the manufacturing cost and the fault risk are reduced, continuous automatic operation of material distribution and cleaning at the same time is achieved, additional manual intervention on starting and stopping is not needed, and the intelligent level and the operation efficiency of equipment are remarkably improved.

The invention relates to the technical field of waste heat recovery, in particular to waste heat recovery equipment of a non-ferrous metal smelting furnace, which comprises a shell, a heat conduction pipe, a hot water cylinder and a cold water cylinder, and further comprises a supporting plate, a fixed plate, an air cylinder, a transmission assembly, a transmission rod, a positioning scraping plate, a movable scraping plate and an adjusting assembly, the fixed plate array is connected to the upper side of the supporting plate, the air cylinder is connected to the front end of the left side of the fixed plate, the transmission assembly is connected to the rear side of the air cylinder, the transmission rod is connected with the transmission assembly, the positioning scraper plate array is connected to the circumferential face of the transmission rod, and the movable scraper plate is connected to the front side of the positioning scraper plate. According to the device, thin impurities are reserved on the windward side of the heat conduction pipe, when airflow flows, the impurities can form a protection layer on the heat conduction pipe, then abrasion of the heat conduction pipe caused by flowing of the impurities is avoided, and the purpose of guaranteeing stable use of the device is achieved.

The invention belongs to the technical field of slag raking machines, and particularly relates to an improved slag raking machine which comprises a moving trolley, a rack is arranged on the moving trolley, and a pitching mechanism is arranged on the rack; the pitching mechanism comprises a rack, the bottom of the rack is connected with a front axle of the moving vehicle in a Haff form and can rotate up and down, the top of the rack is rotationally connected with a pitching oil cylinder, and the bottom of the pitching oil cylinder is rotationally connected to a shell of the moving vehicle; and an arm swinging device is arranged on the rack. In the aspect of cost, an existing forklift is used for transformation, purchase and research and development expenses of brand new equipment are saved, enterprise cost input is reduced, in the aspect of performance, good maneuverability and bearing capacity of the forklift are achieved, stable operation of the crawler loader is guaranteed, requirements of different working conditions are met, operation and maintenance are more convenient, and due to the fact that the forklift technology is mature, operators can easily master the forklift technology, operation is more convenient. Maintenance personnel can quickly master maintenance key points, training cost and time are reduced, production efficiency is improved, and good economic benefits and production benefits are brought to enterprises.

The invention is suitable for the technical field of material sintering, and provides a floating type sintering platform demolding and sampling device which comprises a sintering platform, a floating lower electrode module, a floating mold module, a lifting mold frame, a demolding and mold cleaning module and a sample collecting and electrode cleaning module. The lifting mold frame is provided with a first platform and a second platform, and the first platform penetrates through the floating lower electrode module through a first limiting groove to jack the floating mold module to a set height; the sample collecting and electrode cleaning module slides to the position below the mold module through the second limiting groove, and sample receiving and electrode cleaning are achieved. High-temperature online demolding can be achieved, the sample breaking risk is reduced, and the breaking problem caused by the difference of thermal expansion coefficients is avoided; the device integrates demolding, mold cleaning, electrode cleaning and sample collecting functions, is compact in structure, reduces the occupied area and complexity of equipment, prolongs the service life of the mold and the electrode, and improves the sample quality.

The invention relates to the technical field of high-temperature waste heat recovery, and discloses an energy-saving kiln flue gas waste heat recycling device which comprises a main body, the top of the main body is fixedly connected with a first auxiliary frame, and the side, close to the first auxiliary frame, of the main body is fixedly connected with a second auxiliary frame. Powder-gas separation is carried out through filtering of the filtering plate in the recycling box, then dust filtered out through the filtering plate falls into the ash bin to be collected, the collected dust can be used for batching or other purposes, the amount of chlorine in ash and chlorine in RDF brought into a cement kiln can be effectively reduced, the recycling box or other systems are prevented from being crust and blocked, and the recycling efficiency is improved. Compared with other processes, the device has the advantages that the heat loss is small, the heat recovery efficiency is high, the influence of a large number of chloride ions in the flue gas on a cement kiln system is reduced, the cement output quality is guaranteed, and the heat recovery efficiency is high.