1170results about "Handling discharged material" patented technology

Industrial cars for holding high-temperature materials, such as flat push hot cars for transporting hot coke and deposits, and associated systems and methods are disclosed herein. In some embodiments, an industrial car can include an at least partially enclosed hot box with a base and sidewalls, and one or more of the base or sidewalls can be covered by surface plates. The surface plates can be arranged in a floating configuration with gaps therebetween, such that the surface plates can move relative to one another and thermally expand without exerting excessive compressive force against adjacent surface plates. In some embodiments, the hot box can also include a roof with a first non-curved member and a second non-curved member abutting the first non-curved member. In some embodiments, the industrial car can include one or more emission ducts to remove dust and exhaust from within and around the industrial car.

A lump ore drying and circular cooler coupled near-zero emission method comprises the steps that (1) sinter to be cooled sequentially passes through a high-temperature area, a medium-temperature area and a low-temperature area of a circular cooler to be cooled, and the cooled sinter is discharged from a discharging port of the circular cooler; (2) the lump ore to be dried enters a drying machine to be dried, and the dried lump ore is discharged from a discharging opening of the drying machine; (3) the cooling air enters a high-temperature area of the circular cooler and exchanges heat with the sintered ore in the high-temperature area, and after heat exchange, high-temperature hot air discharged from the high-temperature area is pumped back to the high-temperature area to circularly cool the sintered ore after waste heat utilization; and (4) cooling air entering the medium-low temperature area of the circular cooler continues to cool the sintered ore, mixed hot air discharged from the medium-low temperature area is conveyed to the drying machine to dry lump ore after heat exchange with the sintered ore, and dry air discharged from the drying machine is condensed and then pumped back to the medium-low temperature area to circularly cool the sintered ore. According to the system, lump ore drying and the circular cooler are coupled, and full utilization and near-zero emission of waste gas waste heat of the circular cooler are achieved.

The invention discloses a welding slag ladle for containing copper slag and a design method. The welding slag ladle is suitable for containing, cooling and inverted placing procedures of high-temperature copper slag. The cinder ladle comprises a cylinder body, a ladle bottom, rib plates, trunnions and supporting legs, the cylinder body and the ladle bottom are formed by welding high-temperature-resistant and high-strength rolled plates, the thickness of the cylinder body is 70-100 mm, and the thickness of the ladle bottom is 80-120 mm; setting an inclination angle beta of 11.5-21 degrees relative to the center line of the bus of the cylinder body, and controlling the roughness of the inner wall to be less than or equal to 12.5 microns so as to reduce the separation resistance after the copper slag is cooled; thickness combination, stress distribution, deformation and rib plate arrangement are optimized through structural mechanical simulation, and it is ensured that the structural strength meets the requirements under high temperature and thermal cycle loads; full penetration weld joints are adopted, nondestructive testing is carried out, and the welding reliability is guaranteed; compared with a traditional casting cinder ladle, the mass of the cinder ladle is reduced by 10%-15%, the deslagging efficiency is improved, the service life is prolonged to more than two times of the original service life, and the cinder ladle has the advantages of being light in structure, high in bearing capacity, high in deformation resistance and good in maintainability.

The invention provides a petroleum coke drying and calcining system, which belongs to the technical field of tar treatment and comprises a feeding bin, a waste heat rotary drying furnace, a calcining furnace, a slag cooler, a receiving bin and a tail gas incineration chamber connected with the calcining furnace. The green petroleum coke raw material is fed into a waste heat rotary drying furnace to be dried; a drying furnace water vapor outlet, a drying furnace smoke outlet and a drying furnace waste heat tail gas inlet are formed in the waste heat rotary drying furnace; high-temperature tail gas generated by calcining and volatilizing materials in the calcining furnace enters the tail gas incineration chamber through the calcining furnace tail gas volatilization opening, and high-temperature tail gas generated by mixed combustion of the high-temperature tail gas and fuel gas entering the tail gas incineration chamber enters the calcining furnace and reversely flows with the materials in the calcining furnace to calcine the materials in the calcining furnace, so that primary utilization of the tail gas is realized. The high-temperature tail gas is calcined to absorb heat to form low-temperature tail gas, and the low-temperature tail gas enters the waste heat rotary drying furnace to dry materials, so that secondary utilization of the tail gas is realized, and the problems of low integration degree, high production cost and low treatment efficiency are solved.

The grate cooler with the efficient heat dissipation effect comprises a machine frame, an installation box body and a cooling mechanism are arranged at the top of the machine frame, the cooling mechanism comprises an installation frame, a sliding rail, a movable grate bed and a ventilation plate, a driving mechanism is arranged on the inner wall of the installation frame, and an adjusting mechanism is arranged on the side wall of the installation box body. The adjusting mechanism comprises a mounting sliding groove, a driving motor, a lead screw, a sliding seat and a mounting cross beam, and a material pulling mechanism is arranged on one side of the mounting cross beam; the material pulling mechanism comprises a motor mounting seat, a speed reducing motor, a driving shaft, a driving block and a material pulling frame; the multiple movable grate beds are driven by the driving mechanism to reciprocate in a staggered mode, clinker can be preliminarily and evenly treated, the clinker is stirred through cooperation of the adjusting mechanism and the stirring mechanism, the clinker can be further evenly treated, the heat dissipation and cooling effects of the grate cooler on the clinker are guaranteed, and the clinker cooling efficiency is improved. The efficiency of clinker heat dissipation and cooling operation is improved, and then the practicability of the grate cooler is improved.

The utility model discloses an efficient waste heat utilization system for a sintering circular cooler. Waste gas outlets of the section I and the section II of the circular cooler are communicated with a waste gas inlet of the waste heat boiler; a waste gas outlet of the waste heat boiler is communicated with an air inlet of the first circulating fan and an I-section air bellow and an II-section air bellow of the circular cooler; air inlets of the first cooling fan and the second cooling fan are communicated with the environment; an air outlet of the first cooling fan is sequentially communicated with waste gas outlets of a V-section air bellow and a III-section air bellow of the circular cooler; an air outlet of the second cooling fan is sequentially communicated with the IV-section air box of the circular cooler, the second circulating fan and the IV-section air box of the circular cooler; and a waste gas outlet of the III-section air bellow of the circular cooler is communicated with a hot air cover of the sintering machine.

The present invention discloses a steel rolling heating furnace, which includes a steel billet heating furnace, a tail gas waste heat recovery device, a heating furnace steel discharging machine and a heating furnace furnace tail. A tail gas waste heat recovery device for recovering the remaining heat of the tail gas is arranged at the front end of the steel billet heating furnace. It is applicable to the technical field of industrial production. When in use, compared with the existing method, hoisting and heating the crude steel billet will cause shaking. Manual operation not only has risks such as scalding, but also has the problem of slow production efficiency. In the present invention, the crude steel billet is pushed into the steel billet heating furnace for heating and temperature raising. After heating for a period of time, cooling water is sprayed on its surface to rapidly reduce the surface temperature of the steel billet, and then the steel billet is pushed into the steel billet heating furnace again. The above steps are repeated until the surface and the inside temperature of the steel billet are the same and reach the predetermined temperature, and then the heated steel billet can be exported through the heating furnace steel discharging machine. This equipment is relatively simple to use, not only more stable during heating, but also has high safety.

Industrial cars for holding high-temperature materials, such as flat push hot cars for transporting hot coke and deposits, and associated systems and methods are disclosed herein. In some embodiments, an industrial car can include an at least partially enclosed hot box with a base and sidewalls, and one or more of the base or sidewalls can be covered by surface plates. The surface plates can be arranged in a floating configuration with gaps therebetween, such that the surface plates can move relative to one another and thermally expand without exerting excessive compressive force against adjacent surface plates. In some embodiments, the hot box can also include a roof with a first non-curved member and a second non-curved member abutting the first non-curved member. In some embodiments, the industrial car can include one or more emission ducts to remove dust and exhaust from within and around the industrial car.

The invention relates to the technical field of steel sintering processes, in particular to a biomass gasification coupling system for a steel sintering process, which comprises a biomass gasification system, a circular cooler waste heat utilization system and a waste heat power generation system, the biomass gasification system comprises a biomass drying system, a raw material conveying belt system, a biomass gasification furnace, a biomass gas heat insulation combustion chamber, a sintered coke powder preparation system and a biomass gas purification system, and the biomass drying system is used for drying biomass raw materials; and the dried biomass raw materials are conveyed to the biomass gasification furnace through the raw material conveying belt system. According to the coupling system for biomass gasification for the steel sintering process and the control method, biomass serves as zero-carbon energy, and biomass charcoal obtained after biomass gasification can replace part of solid fuel to achieve the carbon reduction effect. Meanwhile, the biomass gasified gas can replace a part of coal gas, and the carbon reduction effect can also be achieved.

The invention discloses a coal gangue distributed homogeneous high-temperature activation calcination method and system, and relates to the technical field of resources and environments, the system comprises a coal gangue powder preparation and feeding system, a coal gangue powder distributed homogeneous high-temperature activation calcination system, a high-temperature powder cooling system, a finished product collection system and a flue gas purification system; the coal gangue powder distributed homogeneous high-temperature activation calcining system comprises a primary cyclone preheating system and a distributed homogeneous high-temperature activation furnace; the air inlet end of the primary cyclone preheating system is communicated with the coal gangue powder preparing and feeding system, the primary cyclone preheating system is communicated with the homogeneous high-temperature activation furnace, materials in the distributed homogeneous high-temperature activation furnace are separated by the gas-solid cyclone separator and then are divided into two parts by the distributor, one part enters the high-temperature powder cooling system, and the other part enters the high-temperature powder cooling system; and the other part returns to the distributed homogeneous high-temperature activation furnace for circulation. According to the method, large-scale treatment of high-temperature activation and calcination of the coal gangue is realized, and the uniformity and controllability of product quality are remarkably improved.

The low-energy-consumption calcining system comprises a preheater, a calcining furnace, a rotary kiln and a multi-stage cyclone cooler which are sequentially connected, the multi-stage cyclone cooler comprises a heat recovery unit and a cooling unit, clinker discharged from the rotary kiln directly enters the multi-stage cyclone cooler to be cooled, and the clinker discharged from the calcining furnace enters the multi-stage cyclone cooler to be cooled. Wherein a discharge port of the heat recovery unit is connected with an air inlet of the cooling unit, an air outlet of the cooling unit is connected with the air inlet of the heat recovery unit through a branch air pipe, a high-temperature fan is arranged between the cooling unit and the heat recovery unit, and clinker is fed into the air pipe between the high-temperature fan and the heat recovery unit. And an air outlet of the heat recovery unit is connected with the calcining furnace through a tertiary air pipe. The device has the functions of calcining, cooling and recovering heat of the kaolin, a high-whiteness kaolin product is obtained, and the energy consumption of the system is reduced at the same time.

To provide a non-oxidation continuous regeneration cooling production line for powdered activated carbon.SOLUTION: There is disclosed a non-oxidation continuous regeneration cooling production line for powdered activated carbon, comprising a regeneration furnace 1, provided with a heating tube in the regeneration furnace and a cooling mechanism 4 at one end of the regeneration furnace, wherein a sealing tube is connected between the regeneration furnace and the regeneration furnace. At the bottoms of the regeneration furnace and the cooling mechanism, there is a base equipped with hydraulic cylinders for controlling the inclination angles of the regeneration furnace and the cooling mechanism, and a cooling control module is loaded on the cooling mechanism. Because the sealing tube is arranged between the regeneration furnace and the cooling mechanism, sealed flexible connection between the regeneration furnace and the cooling mechanism is realized, and it is ensured that the activated carbon in the heating tube is in a sealed state at a high temperature. Thus, oxygen in the external environment can be prevented from entering the heating tube, the carbon loss in the regeneration process of the active carbon is reduced, and the yield of the regenerated carbon powder is improved.SELECTED DRAWING: Figure 1

The utility model discloses a carbon calcining furnace discharger which comprises a discharging pipe, a corrugated metal hose is installed at the bottom of the discharging pipe, the bottom of the corrugated metal hose is fixed to a discharging port, an auxiliary discharging mechanism is installed on the outer side of the discharging pipe, and the auxiliary discharging mechanism comprises a rotating shaft, a synchronous wheel, a synchronous belt, a cam and a first motor. The outer side of the discharging pipe is rotationally connected with three rotating shafts, each rotating shaft is provided with a synchronous wheel, the three synchronous wheels are in transmission connection through a synchronous belt, the top of each rotating shaft is fixedly provided with a cam, the first motor is fixed to the outer side of the discharging pipe, and an output shaft of the first motor is connected with the rotating shafts; and an angle adjusting mechanism for driving the discharge port to rotate is mounted on the discharge pipe. Vibration discharging is carried out from the outer side of the discharging pipe, the discharging speed is higher, and blocking is not prone to occurring; and the discharging angle is convenient to adjust, and the discharging angle is convenient to adjust according to requirements.

The present invention discloses a waste heat recovery device for cooling cement clinker, which relates to the field of high-efficiency energy-saving industrial technology. Specifically, it includes a mounting platform and a grate cooler body arranged thereon, and a grate plate is arranged in the grate cooler body. The right end of the grate cooler body is provided with a waste heat recovery box into which materials can be transported through the grate plate. The interior of the waste heat recovery box is provided with a material barrel that can shake. The waste heat recovery device for cooling cement clinker realizes efficient heat transfer by constructing a waste heat recovery structure composed of a grate cooler body, a waste heat recovery box, a material barrel, a material spiral plate and a heat collection spiral groove plate. The grate cooler body cooperates with the grate plate to transport the cement clinker to the waste heat recovery box. The crushing component and the connecting hose guide the cement clinker into the material barrel and fall on the material spiral plate. The vibration motor and the first spring cause the material barrel to vibrate, allowing the cement clinker to move downward along the material spiral plate.

The utility model relates to the technical field of waste heat recycling, and particularly discloses a waste heat recycling device of a sintering circular cooler, which comprises a dust removal structure and a heat exchange structure connected with the dust removal structure, and the dust removal structure comprises a primary cyclone dust removal assembly and a secondary cyclone dust removal assembly communicated with the top of the primary cyclone dust removal assembly. An air blowing assembly is arranged at the top of the secondary cyclone dust removal assembly; the heat exchange structure comprises a supporting frame, a first heat exchange tank and a second heat exchange tank, wherein the first heat exchange tank and the second heat exchange tank are horizontally installed on the supporting frame. Heat exchange pipe sets are arranged in the first heat exchange tank and the second heat exchange tank. The sintering circular cooler waste heat recovery device achieves efficient dust removal and waste heat recovery of high-temperature waste gas, has the advantages of being simple in structure, convenient to maintain, high in heat exchange efficiency and the like, and is suitable for the field of sintering circular cooler waste heat recovery in steel smelting and other industries.

The invention discloses an energy-saving low-carbon grate cooler and a using method thereof.The energy-saving low-carbon grate cooler comprises two fixedly-arranged supporting seats, an inertia raising mechanism is installed on the supporting seats, a six-step plate is installed on the inertia raising mechanism, a shell is fixedly connected to the top face of the six-step plate, and six grate plate assemblies are fixedly installed on six steps of the six-step plate; the tail end of the grid plate assembly extends out of the step; the inner wall of the middle of the shell is fixedly connected with a partition plate, and the top face, located above the highest grid plate assembly, of the shell is connected with a kiln head cover. An air pipe is fixedly mounted on the side wall of each step below the six-step plate and is used for supplying cold air to the grid plate assembly; and the bottom of the lowest step of the six-step plate communicates with a discharge port. The invention relates to the technical field of grate coolers. The grate cooler solves the problem that a traditional grate cooler is low in cooling efficiency due to insufficient contact between materials and cold air.

The present invention relates to the technology of utilizing sensible heat of calcium carbide, and particularly relates to a calcium carbide sensible heat utilization system based on the recycling of heat extraction medium. A calcium carbide sensible heat utilization system based on the recycling of heat extraction medium includes a calcium carbide tundish. The calcium carbide tundish is connected to a rotary drum through a calcium carbide flow trough. The rotary drum has openings at both ends, and an intake buffer chamber and an exhaust buffer chamber are respectively arranged at the discharge end and the feed end of the rotary drum. A rotary gear ring is arranged on the outer wall of the rotary drum, and the rotary gear ring cooperates with a rotary motor. Driven by the rotary motor, the rotary drum rotates continuously. A scraping device is arranged inside the rotary drum. This kind of calcium carbide sensible heat utilization system changes the traditional process of using a calcium carbide pot for cooling, directly uses a high-speed heat extraction gas flow to impact the calcium carbide liquid into scattered point-like falling materials for cooling, which is convenient for the high-speed heat extraction gas flow to absorb heat and utilize the sensible heat, and the heat extraction gas medium can be recycled, saving energy and protecting the environment.

The invention discloses continuous carbonization, graphitization and purification equipment and method and a readable storage medium, and belongs to the field of carbon felt processing. The problems of low working efficiency and high manufacturing cost of carbonization, graphitization and purification of the hard carbon felt are solved; according to the technical scheme, the device comprises a first vacuum pump, a plurality of treatment bins and a plurality of transition bins, every two treatment bins are connected through the corresponding transition bin, each treatment bin is provided with at least one first steering mechanism, each transition bin is provided with at least one second steering mechanism, and the first steering mechanisms are matched with the second steering mechanisms; the plurality of treatment bins are respectively a carbonization and graphitization bin, a purification bin and a cooling bin, the carbonization and graphitization bin, the purification bin and the cooling bin are connected in sequence, the carbonization and graphitization bin is further connected with a feeding bin, the cooling bin is further connected with a discharging bin, the feeding bin, the transition bin and the plurality of treatment bins are respectively and movably connected with at least one propelling component, and the propelling components act on the charging tray; the method is applied to the carbon felt production process.

The invention relates to a high-temperature metallurgical material cooling and sensible heat recovery device, and relates to the technical field of high-temperature material cooling and waste heat recycling, the high-temperature metallurgical material cooling and sensible heat recovery device comprises a first-stage sensible heat recovery system, a second-stage sensible heat recovery system, a third-stage sensible heat recovery system and a fourth-stage sensible heat recovery system, the second-stage sensible heat recovery system comprises a plurality of water-cooled roller coolers; and the slag cooling channels of all the water-cooled roller coolers are connected in series, and the slag inlet of the water-cooled roller cooler at the foremost end is connected with the bottom of the hopper. The wear-resistant and fire-resistant pouring layer can prolong the service life of the first-stage sensible heat recovery system, and the possibility that materials penetrate through the hopper and enter the air cooling interlayer is reduced. Cooling media in the first-stage sensible heat recovery system and the second-stage sensible heat recovery system are different, and therefore normal work of the second-stage sensible heat recovery system cannot be affected by failure of a cooling medium circulation system of the first-stage sensible heat recovery system. Hot air output by the first-stage sensible heat recovery system and saturated steam and hot water output by the second-stage sensible heat recovery system can be used as heating media of other procedures.

The invention belongs to the technical field of cement production line transformation, and discloses a method for transforming a cement clinker production line into a coal gangue suspension calcination production line, the cement clinker production line comprises five stages of double-series preheaters and a decomposing furnace, the five stages of double-series preheaters are divided into A-row preheaters and B-row preheaters, a preheater in the column A is transformed into a preheating device of the coal gangue powder suspension calcination production line, a preheater in the column B is transformed into a gas-solid separation cyclone and a cooling device of the coal gangue powder suspension calcination production line, and a pipeline furnace is arranged between an air outlet of a decomposing furnace and an air inlet of the gas-solid separation cyclone. A decomposing furnace and a pipeline furnace are jointly transformed into a coal gangue suspension calcining furnace. According to the method, an obsolete cement clinker production line is transformed into a coal gangue suspension calcining production line with the working procedures of coal gangue grinding, conveying, metering, preheating, calcining, cooling and the like.

The invention provides a kiln head waste heat utilization method and relates to the technical field of cement production, a kiln head waste heat utilization system is used, the kiln head waste heat utilization system comprises a coal mill circulating air unit and a waste heat power generation air circulating unit, and the coal mill circulating air unit is connected between a coal mill system and a grate cooler air collecting box. The waste heat power generation wind circulation unit at least comprises a first waste heat power generation wind sub-circulation unit, and the kiln head waste heat utilization system cancels a coal mill waste gas discharge coal mill chimney; the kiln head waste heat utilization method comprises the following steps that smoke entering a coal mill system passes through a coal mill circulating air unit and then enters a grate cooler air collecting box to be recycled through the coal mill circulating air unit; a part of smoke entering the waste heat boiler enters an air collecting box of the grate cooler for recycling through the first waste heat power generation air sub-circulation unit by means of the first waste heat power generation air sub-circulation unit. The problems of reducing air consumption, reducing waste gas emission and recovering waste heat of waste gas are solved.

To provide a quenching apparatus and a quenching method with which gas quenching employing hydrogen gas can be efficiently performed.MEANS FOR SOLVING THE PROBLEM: The present invention discloses a quenching apparatus having: a quenching chamber for air blast cooling a material using hydrogen gas; a heat exchanger for cooling the hydrogen gas; a first pipe for supplying the heat exchanger with hydrogen gas discharged from the quenching chamber; and a second pipe for supplying the quenching chamber with hydrogen gas cooled by means of the heat exchanger.SELECTED DRAWING: Figure 1

The present invention relates to the technical field of alternative fuel in the cement industry. Disclosed is a high-proportion alternative fuel pre-treatment and cement kiln incineration system, comprising a stacking shed, a storage system, a rotary kiln, a pulverized coal burner, a cooler, a tertiary air duct and a preheated raw-material preheater; and further comprising a crushing system, a homogenization system, metering systems, conveying systems, gravity-type feeding systems, a multifunctional decomposition furnace, a special combustor for alternative fuel, and a pneumatic conveying system. In the present invention, the particle size of crushed alternative fuel is controlled on the basis of a flue gas suspension speed, such that the alternative fuel combusts in a suspended manner in the multifunctional decomposition furnace; the alternative fuel is metered by means of the three metering systems, and the alternative fuel in one path is fed into the special combustor; the special combustor and the pulverized coal combustor are arranged one above the other in the rotary kiln, and pulverized coal combustion is used to drive the combustion of the alternative fuel; and the gravity-type feeding systems and their respective two airlock discharge valves, which are alternately opened, are used to feed in the alternative fuel, thereby reducing air leakage during a feeding process.

The invention discloses a process and system for preparing an auxiliary cementing material by calcining granular coal gangue coupled with a cement clinker sintering system, and the process comprises the following steps: treating large undisturbed coal gangue to obtain granular coal gangue, and quantitatively analyzing minerals in the granular coal gangue; feeding the granular coal gangue raw material into an activating calcining kiln for activating and calcining; then feeding into a grate cooler for cooling to obtain calcined activated coal gangue; wherein an activation calcination heat source comes from high-temperature section hot air of a grate cooler and hot air at an outlet of a C4 preheater, the proportion of the high-temperature section hot air, the hot air at the outlet of the C4 preheater and combustion-supporting air is controlled, and temperature and oxygen concentration adjustment at the activation calcination stage is achieved. According to the invention, the system for preparing the auxiliary cementing material by calcining the coal gangue is coupled with the original cement clinker sintering system, so that the on-line doping of the auxiliary cementing material in the cement clinker is realized, and meanwhile, the carbon emission is reduced.

The invention discloses a water-sealing self-circulation sedimentation type mud cleaning device for a circular cooler, and relates to the technical field of dredging and sewage discharging equipment, in particular to a water-sealing self-circulation sedimentation type mud cleaning device for an iron-making sintering circular cooler. The device comprises an annular cooling trolley; an upper sealing water tank is arranged outside a trolley breast board of the annular cooling trolley; a static sealing plate is arranged in the upper sealing water tank; the static sealing plate is fixedly connected with a dust removal cover arranged at the upper part of the annular cooling trolley; a plurality of vertical steel structure supporting frames are uniformly distributed on the outer part of the annular cooling trolley along the circumference; two steel structure cross beams are arranged on the steel structure supporting frame; a water seal self-circulation sedimentation mud cleaning device is fixedly assembled on the two steel structure cross beams; and the water-sealed self-circulation sedimentation sludge cleaning device is positioned at the upper part of the dust removal cover and is connected with the upper sealed water tank. According to the technical scheme, the problems that in the prior art, a fixed sludge cleaning device needs to adopt shutdown for sludge cleaning, the cleaning interval period is long, and excessive sludge is accumulated; and a mud cleaning device is arranged in the water tank, so that the problems of scraping and clamping faults, falling, shutdown and the like are easily caused.

The present application relates to a medium frequency induction heating to forging blanking system, which belongs to the technical field of blanking systems, and includes a slide bracket and a slide rail, wherein the slide rail is tilted and arranged on the slide bracket; further includes a material receiving barrel, a flip drive source and a flip frame, wherein the flip drive source is arranged in the slide bracket, the material receiving barrel is arranged on the flip frame, and the flip drive source is used to drive the flip frame to flip; the driving assembly is used to drive the clamping assembly to move along the X, Y, and Z axes, and the clamping assembly includes a clamping arm, a first clamping block and a second clamping block, wherein the first clamping block is fixed on the clamping arm, the second clamping block is slidably connected to the clamping arm, and the second clamping block moves in a direction toward or away from the first clamping block. The present application has the beneficial effects of improving the consistency of multiple flipping angles during the automatic blanking process of the material blocks, reducing the position deviation generated when multiple material blocks are blanked, reducing the possibility of failure during automatic blanking, improving the smoothness of the blanking process, and thus improving the processing efficiency.

The invention discloses a system and a method for preparing kaolin by calcining and whitening coal gangue, the system comprises a preheater, a calcining furnace, a heat preservation bin and a cyclone cooling unit which are communicated in sequence, a blanking pipe of a penultimate cyclone separator of the preheater is connected with the calcining furnace, a combustor is arranged on the calcining furnace, and the cyclone cooling unit is connected with the calcining furnace. A discharging pipe of the cyclone separator at the bottom end of the preheater is connected with the calcining furnace and the heat preservation bin respectively; the cyclone cooling unit comprises a first cooling unit and a second cooling unit; a discharging port of the heat preservation bin is connected with a feeding port of the first cooling unit, and a discharging port of the first cooling unit is connected with a feeding port of the second cooling unit. The decarburization time is prolonged by adopting calcining furnace material circulation and a heat preservation bin, so that carbon in the coal gangue is completely removed, the whiteness of the kaolin product is further improved, the production line is energy-saving and emission-reducing, the product quality is stable, the process flow and equipment are simple, carbon emission reduction is realized, the production line is suitable for large-scale industrial production, the cost is reduced, and the cost performance is high.

To provide ventilation treatment equipment and a design method of the ventilation treatment equipment that can reduce variation of ventilation or loss of gas when performing ventilation treatment such as aging on granular material of slag.SOLUTION: Ventilation treatment equipment 12 includes partition walls 13a, 13b, and 13c located at least in a part of a boundary portion that defines a range in which granular material 3 is stored, a supply device 5 that supplies gas to the granular material 3 in a specific direction along the partition walls, and a deformable layer 15 deformed by coming into contact with the granular material 3, while located in at least a part in the predetermined direction among the partition walls coming into contact with the granular material 3. The ventilation treatment equipment performs the ventilation treatment of the granular material 3.SELECTED DRAWING: Figure 3

The utility model provides a dry process cement clinker firing device which comprises a preheating mechanism, a decomposing furnace, a material spraying assembly, a rotary kiln and a cooling machine, the preheating mechanism is used for preheating raw materials, the decomposing furnace is connected with the preheating mechanism, the decomposing furnace is used for receiving and decomposing the preheated raw materials, the material spraying assembly is connected with the decomposing furnace, and the rotary kiln is connected with the cooling machine. The material spraying assembly is used for evenly spraying preheated raw materials into the rotary kiln, the rotary kiln is used for calcining the raw materials to form clinker, the rotary kiln sequentially comprises a shell, at least two heat insulation layers and a heat-resistant lining from outside to inside, and the cooling machine is used for cooling the clinker. Due to the fact that the material spraying assembly evenly sprays the preheated raw materials into the rotary kiln, the raw materials can be heated more sufficiently and evenly in the rotary kiln, the calcining process is more thorough, and the clinker quality is further guaranteed. In addition, due to the fact that the rotary kiln comprises at least two heat insulation layers, the heat insulation effect of the rotary kiln is better, and the calcination process is more thorough.

The utility model relates to the technical field of cooling devices of roller slag coolers, in particular to a multi-stage cooling device of a roller slag cooler, which comprises an outer roller, an inner roller is mounted on the inner wall of the outer roller, a left roller cover is mounted on the left side of the outer roller, and a right roller cover is mounted on the right side of the outer roller. A discharging opening is formed in the lower end of the right roller cover, an air cooling connector is installed on the surface of the left roller cover and communicates with a gap between the outer roller and the inner roller, a cooling assembly is installed in the right roller cover, and the cooling assembly comprises a rotating connector. According to the utility model, the cooling assembly is arranged, so that the pipelines for conveying the cooling medium are distributed in a multi-stage manner, and the cooling medium can be quickly discharged after the circulation path of the cooling medium is a circle, so that the problems that the circulation path of the cooling medium is repeated, the cooling effect of the cooling medium in the rear area is reduced, and the cooling of the equipment is unbalanced are solved; and the cooling effect and the balance of the cooling device are further improved.