51 results about "Brick kiln" patented technology

The utility model relates to the technical field of ventilation equipment, in particular to brick kiln ventilation equipment with a filtering structure, which comprises a ventilation box. An air inlet fan and an exhaust fan are mounted at the upper and lower ends of the rear end surface of the ventilation box respectively; a dust removal assembly is installed on the front side of the fixing plate. A detachable filtering assembly is inserted into the notch; by arranging the dust removal assembly and the filtering assembly, when air in the brick kiln is discharged, dust and other foreign matter in the air can be preliminarily filtered under the action of the dust removal assembly, the dust and other foreign matter in the air can be further filtered under the action of a plurality of filtering nets, and the dust removal efficiency is improved under the effect of multiple times of filtering. Dust and other foreign matters in the brick kiln can be prevented from being discharged to the outside, and the environment pollution condition is avoided; meanwhile, when external air enters the brick kiln, fresh air can be filtered under the action of the filter screen, and foreign matter and the like in the external environment can be prevented from entering the brick kiln.

The utility model relates to the technical field of brick kiln hole reinforcing, in particular to an auxiliary reinforcing structure for a brick kiln hole. The utility model provides an auxiliary reinforcing structure for a brick kiln hole, which can buffer a brick body when the brick body collapses and relieve the generated impact force, so that the safety performance of the brick kiln hole is improved. An auxiliary reinforcing structure for a brick kiln hole comprises six supporting frames, transverse shrinkage rods, top arc frames and the like, the supporting frames are symmetrically arranged front and back, the transverse shrinkage rods are arranged between the upper portions of every two supporting frames adjacent left and right, and the top arc frames are connected between the tops of every two supporting frames adjacent front and back. The top plate is extruded and collided through impact force generated by a brick body, the sliding block is driven by the top plate to slide left and right on the transverse seat under the action of the impact force, the impact force is unloaded, the brick body can be buffered when collapsing, the generated impact force is relieved, and the brick body is prevented from collapsing. And therefore, the safety performance of the brick kiln hole is improved.

The utility model relates to the technical field of brick kiln flues, in particular to an efficient energy-saving circulating movable brick kiln flue which comprises a flue body, the top end of the flue body is fixedly connected with a telescopic connecting pipe, the top end of the telescopic connecting pipe is fixedly connected with a flue branch pipe, and the top end of the flue branch pipe is fixedly connected with a rain shelter. Waste heat generated by high-temperature flue gas can be recycled, heated heat conduction liquid can be injected into the first heat exchange pipe through cooperation of the circulating water pump and the connecting pipe, air entering the brick kiln can be preheated through the first heat exchange pipe, and the utilization rate of heat energy can be increased; heat conduction liquid after heat exchange in the first heat exchange pipe can enter the second heat exchange pipe through a circulating water pump to continue heat exchange, the heat exchange efficiency can be guaranteed, dust in smoke can be filtered and adsorbed through a filter screen on a filter frame, pollution of the smoke to the environment can be reduced, meanwhile, the filter screen is convenient to clean, and the heat exchange efficiency is improved. The smoke filtering effect can be guaranteed.

The invention belongs to the field of manufacturing of refractory materials for glass brick kilns, and particularly relates to a vertical casting process and device for an electric smelting AZS shrinkage-cavity-free pool wall brick. The vertical casting process for the electric smelting AZS shrinkage-cavity-free pool wall brick comprises the following steps that aluminum oxide, zircon sand, desilicated zirconium, sodium carbonate and AZS clinker are added into an electric furnace to be smelted into feed liquid; after melting is completed, the electric furnace is inclined, feed liquid flows into the feed liquid storage area from the hearth through the furnace nozzle flow guide area and then vertically flows into the quartz sand mold through the lower flow opening, and therefore vertical casting of the feed liquid is achieved. According to the vertical casting process for the electrically-fused AZS shrinkage-cavity-free pool wall brick, air holes in the surface of the AZS electrically-fused brick can be effectively reduced, the machining amount is reduced, the machining efficiency is improved, and the manufacturing cost is reduced; the invention also provides a device used by the method.

The present application relates to the field of brick kiln processing equipment, and particularly relates to a wrapping film continuous installation mechanism. The present application comprises a winding frame body, a guide frame, a placing frame, a driving rod, a turnover shell, a linkage gear, a rotating gear and a pneumatic clamp jaw. The guide frame is provided with two rows, and the two rows of guide frames are arranged side by side and fixedly connected with one side of the winding frame body. The placing frame is located directly below the guide frame, the driving rod is movably installed on the placing frame, the turnover shell is sleeved on the rod body of the driving rod, and the linkage gear is sleeved on the rod body of the driving rod. The rotating gear is installed on the inner wall of the turnover shell, and the pneumatic clamp jaw is arranged outside the turnover shell and coaxially connected with the rotating gear. Through the turnover pneumatic clamp jaw driven by the air cylinder, the gear rack and the linkage gear group, the new film roll is automatically grabbed and transported to the working position in the non-stop state.

The invention provides a denitration skid-mounted station for an anhydrous ammonia process brick kiln, and relates to the technical field of denitration devices.The denitration skid-mounted station comprises a supporting frame, a feeding assembly, a grinding assembly and a negative pressure injection assembly are installed on the supporting frame, the grinding assembly is arranged below the feeding assembly, the negative pressure injection assembly is arranged below the grinding assembly, and the negative pressure injection assembly is arranged below the grinding assembly. The feeding assembly comprises a hopper arranged at the top of the supporting frame, and a rotating disc capable of rotating is arranged at the bottom of the hopper. A solid reducing agent (such as urea particles) is adopted to replace a liquid reducing agent, and the solid reducing agent is ground into powder, a constant-speed and accurate feeding mechanism and a negative pressure injection technology are combined; compared with the prior art, uniform distribution and efficient reaction of a reducing agent in the tunnel kiln are achieved, the denitration efficiency is improved, the operation risk and cost are greatly reduced, a more reliable and economical solution is provided for NOx emission reduction of the tunnel kiln, and meanwhile higher environmental adaptability and operation stability are achieved.

The invention relates to the field of brick kiln carrying equipment, in particular to a fixing and pinching mechanism of a carrying clamping jaw. The device comprises a supporting frame, a clamping beam, a sliding beam, a hollowed-out clamping plate, a linkage plate, a sliding groove, a driving connecting rod and a fixing and pinching mechanism. The number of the supporting frames is two, the two supporting frames are arranged side by side, the multiple supporting frames are fixedly connected with the bottom faces of the supporting frames, the two ends of each clamping beam are sleeved with the sliding beams, the top ends of the hollowed-out clamping plates are fixedly connected with the bottom faces of the sliding beams, the hollowed-out clamping plates are in an inverted U shape, and the number of the linkage plates corresponds to the number of the clamping beams. The two ends of each linkage plate penetrate through the U-shaped hollowed-out openings of the two hollowed-out clamping plates, and the sliding grooves are transversely formed in the linkage plates. The clamping linkage piece rotates to synchronously pull the first connecting rod and push the second connecting rod, so that the pinching end of the first fixed pinching piece is driven to buckle and press downwards, and the pinching end of the second fixed pinching piece is driven to lift upwards; opposite and longitudinal active clamping and pinching force is applied to the top face and the bottom face of the brick, and three-dimensional constraint is formed.

The invention discloses an intelligent green brick preheating and drying device for gradient utilization of waste heat of a brick kiln, and relates to the technical field of gradient utilization equipment of waste heat of the brick kiln, the intelligent green brick preheating and drying device comprises a drying and sealing mechanism, the drying and sealing mechanism comprises a drying box body, and a drying cavity is formed in the inner side of the drying box body; the drying sealing mechanism is in butt joint with the brick kiln waste heat pipeline to recover a heat source, extra energy consumption is not needed, the drying cost is reduced, energy waste is reduced, and the energy-saving requirement is met; the green brick sliding plate is stably locked by the trapezoidal clamping block; the flexible clamping design prevents green bricks from being pressed and damaged; the green bricks are matched with hot air flow equalization to realize uniform drying and improve the quality of finished products; meanwhile, water and waste materials are separated by the fine filter screen plate, the cleaning brush automatically cleans and guides the waste materials into the dust collecting box, and the rotary sealing plate prevents damp and does not need to be manually cleaned; and operation is stable.

1. The name of this design product: Rotary kiln shell (cooling rotary kiln). 2. Purpose of this design product: It is used to be installed on the outer shell of the cylinder of the brick kiln, and a space for spraying cooling water is formed between the outer shell and the cylinder. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. The bottom surface of the product of this design is a part that is difficult to see or cannot be seen when in use, so the top view is omitted; the right view is the same as the left view, so the right view is omitted; the rear view is the same as the main view, so the rear view is omitted.

The utility model relates to the technical field of brick kiln flue gas treatment, in particular to an integrated heat energy recovery brick kiln flue gas circulation channel which comprises a heat energy recovery box, a plurality of idler wheels are evenly and rotatably installed at the corner positions of the bottom end of the heat energy recovery box, and a heat energy recovery assembly is arranged in the heat energy recovery box. According to the utility model, the limestone can be heated by high-temperature flue gas, the waste heat generated by the brick kiln can be utilized, the energy consumption can be saved, the utilization rate of energy is improved, the calcined limestone can bring certain economic benefits, and the limestone can chemically react with SO2 discharged during the combustion of coal gangue in the brick kiln in the heating process to generate CaSO4, so that the utilization rate of the limestone is improved. SO2 can be prevented from being directly discharged into the atmospheric environment, emission of harmful gas is reduced, the purpose of environmental protection is achieved, meanwhile, the placement plate can conveniently slide out of the heating groove and be attached to the heat energy recycling box again, limestone can be conveniently loaded and unloaded, and manual movement of the placement plate can be avoided.

The utility model relates to the technical field of brick kiln flue discharge, in particular to an environment-friendly movable brick kiln flue discharge control device which comprises a flue body, a mounting seat is fixedly mounted at the end of the flue body, a movable connecting assembly is arranged on the outer side of the flue body, and the mounting seat is fixedly mounted on the mounting seat. The movable connecting assembly comprises sliding rails symmetrically and fixedly installed on the two side walls of the flue body. The sleeve can be stably installed on the flue body in the process that the flue body moves along with a brick kiln, normal use of the flue body can be guaranteed, the problem that a traditional flue cannot be connected when the brick kiln moves is solved, the smoke exhaust efficiency can be guaranteed, and when the pressure in the flue body is too large and expands, the sleeve can be stably installed on the flue body. By means of the structure, stable operation of the sleeve and the sealing cylinder in the high-temperature environment can be guaranteed, buffering can be provided between the sleeve and the sealing cylinder, the situation that the high-temperature-resistant telescopic belt is damaged due to the fact that pressure in the flue body is too large can be avoided, and the problem of thermal expansion deformation in the high-temperature environment can be effectively solved.

The utility model relates to the technical field of flue gas treatment equipment, and discloses a flue gas treatment device for a brick kiln, which comprises a treatment tank and three supporting legs fixedly mounted at the bottom of the treatment tank, a gas inlet pipe is arranged at the lower end of the outer wall surface of the treatment tank, and a water drainage pipe is fixedly connected to the bottom of the treatment tank. An exhaust pipe is fixedly connected to the top of the treatment tank, the air inlet pipe, the exhaust pipe and the drainage pipe are all communicated with the interior of the treatment tank, and two spraying pipes are fixedly mounted in the treatment tank. According to the flue gas treatment device, flue gas is introduced into the treatment tank through the gas inlet pipe, the flue gas is firstly subjected to primary denitration by a mixed solvent sprayed by the spraying pipe below, then in the rising process, the flue gas subjected to primary denitration is guided into the baffle by the guide ring block, and the flow speed of the flue gas is reduced by the baffle, so that the flue gas flows into the treatment tank when the flue gas rises through the interval between the baffle and the inner wall surface of the treatment tank; and the flue gas is sprayed and denitrated again by the spraying pipe above, so that the nitrogen oxides in the flue gas are efficiently removed, and the pollution of the nitrogen oxides to the environment is reduced.

According to the method and system for improving the incineration efficiency of the rotary kiln, a brick returning kiln body is included, the brick returning kiln body comprises a large-diameter body part, a large-slope waste feeding area is arranged on the large-diameter body part, and the large-slope waste feeding area is connected with a gentle-slope waste sufficient combustion area; a plurality of oxygen input ports are formed in the gentle-slope waste sufficient combustion area, the large-slope waste feeding area and the gentle-slope waste sufficient combustion area form a waste input buffer expansion area through the gradient difference, oxygen input is conducted in cooperation with the oxygen input ports, and an efficient waste incineration structure is formed; the gentle slope waste sufficient combustion area is communicated with the small-diameter main body; a plurality of combustion waste gas suction ports are formed in the large-diameter main body part and communicated with an interval heat preservation gas layer on the brick kiln main body, the interval heat preservation gas layer is correspondingly communicated with a gas outlet of the small-diameter main body, and the gas outlet is communicated with a power generation material on one side of the thermal potential energy power generation module and waste gas purification equipment.

The utility model belongs to the technical field of cleaning auxiliary devices for molybdenum concentrate roasting and returning to a brick kiln, and particularly discloses a device for cleaning furnace knots, which comprises a cleaning head for cleaning furnace knots, the cleaning head is arranged at the front end of an operating rod, the rear end of the operating rod is arranged on a movable trolley at the upper part of a support frame, and the movable trolley is movably connected with the support frame. A driving mechanism is arranged on the lower portion of the supporting frame, the output end of the driving mechanism is connected with a movable trolley through a connecting rod, under the action of the driving mechanism, the movable trolley can drive a cleaning head to move back and forth in the axial direction of the supporting frame through an operating rod, the cleaning head scrapes furnace knots in a reciprocating mode to enable the furnace knots to fall off, and therefore the purpose of cleaning the furnace knots is achieved. Operators can avoid a high-temperature severe environment during cleaning operation, heavy high-intensity physical labor of manual cleaning is also avoided, labor intensity is reduced, and labor efficiency is improved.

1. The name of this design product: Sculpture (Brick Kiln Cat). 2. Purpose of this appearance design product: This appearance design product is used for display in residential areas, cultural streets, squares, corporate parks, etc. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

This invention discloses a self-decontamination device and method for co-processing sludge in brick and tile kilns. The device includes a sludge carbonization unit, a brick and tile kiln production unit, and a flue gas purification unit. The method includes: introducing hot flue gas from the brick and tile kiln production unit as a heat source into the sludge carbonization unit to carbonize the sludge, generating pyrolysis gas and sludge char; using the sludge char for brick preparation; introducing the pyrolysis gas into the high-temperature firing section of the brick and tile kiln for a homogeneous self-denitrification reaction to achieve self-decontamination; and purifying the flue gas using a multi-effect absorbent and a wet electrostatic precipitator to obtain purified flue gas for emission. This invention can effectively purify flue gas pollutants caused by co-firing sludge in brick and tile kilns and reduce odors in the flue gas emitted from brick and tile kilns. As a self-decontamination device and method for co-processing sludge in brick and tile kilns, this invention can be widely applied in the field of air pollution control technology.

The present application relates to kiln equipment technical field, disclose a kind of automatic side turning device for green brick conveying, comprising: belt conveyor and the mounting bracket of installation in the rack one side thereof, side turning assembly, setting on the mounting bracket, the side turning assembly includes the support plate setting on the mounting bracket, the support plate is provided with the receiving plate, buffer assembly is arranged between the support plate and the receiving plate, the conveying belt of the belt conveyor is equipped with multiple auxiliary devices;Each the auxiliary device includes mounting block fixedly installed on the conveying belt.The present application uses the technical means that belt conveyor and side turning assembly cooperate, by belt conveyor directly send the green brick to be fired into brick kiln, while cooperating with side turning assembly, adjust the placing direction of green brick after reaching the end of conveying path, facilitate staff to take and place, improve work efficiency.

The utility model discloses a refractory brick kiln stacking system, and mainly relates to the technical field of industrial robot carrying. Comprising a gripper module, the gripper module comprises a base frame, a first gripper mechanism and a second gripper mechanism which are arranged side by side in parallel are installed below the base frame, the first gripper mechanism comprises first gripping plates arranged at equal intervals, and the second gripper mechanism comprises second gripping plates arranged at equal intervals; the first gripper mechanism and the second gripper mechanism have opposite linear strokes respectively, and the first gripping plate and the second gripping plate can be closed or separated based on the opposite linear strokes. The brick grabbing and stacking device has the advantages that a plurality of bricks can be grabbed at a time and stacked at equal intervals in batches, and the brick preparation efficiency of the kiln is greatly improved.

This invention relates to the field of heat recovery technology, and more particularly to a waste heat recovery device for an electric ceramic brick kiln. The technical problem is that existing heat recovery devices have relatively open recovery spaces, resulting in high heat loss and difficulty in effectively recovering residual heat from the ceramic bricks, leading to low heat recovery efficiency. The invention provides a waste heat recovery device for an electric ceramic brick kiln, comprising a conveyor platform on which the electric kiln is mounted. A heat recovery box is fixedly connected inside the kiln, and the heat recovery box has two openings. An air outlet pipe is fixedly connected to the top of the kiln, and an air inlet pipe is fixedly connected to the bottom. Air entering the heat recovery box comes into contact with the high-temperature ceramic bricks, and the air temperature rises through heat exchange. By conveying the fired ceramic bricks to the relatively sealed heat recovery box, and then exchanging heat through cold air, the residual heat of the fired ceramic bricks can be more fully recovered, reducing heat loss and thus improving heat recovery efficiency.

The invention relates to the technical field of kiln equipment, and discloses an automatic side turning device for green brick conveying, which comprises a belt conveyor, a mounting frame mounted on one side of a rack of the belt conveyor, a side turning assembly and a supporting plate arranged on the mounting frame, the supporting plate is provided with a bearing plate, and the bearing plate is arranged on the side turning assembly. A buffering assembly is arranged between the supporting plate and the bearing plate, and a plurality of auxiliary devices are installed on a conveying belt of the belt conveyor. And each auxiliary device comprises a mounting block fixedly mounted on the conveying belt. The technical means that the belt conveyor is matched with the side turning assembly is adopted, green bricks to be fired are directly fed into the brick kiln through the belt conveyor, meanwhile, the side turning assembly is matched, the placing direction of the green bricks after the green bricks reach the end point of a conveying path is adjusted, workers can conveniently take and place the green bricks, and the working efficiency is improved.

The invention relates to the technical field of anthracite preparation, in particular to a preparation device and method for anthracite raw materials in brick kiln production cement, the preparation device comprises a support, a screen box and a shell, the screen box and the shell are arranged on the two sides of the support respectively, a pre-screening assembly is arranged on the shell, and the pre-screening assembly comprises a pre-screening frame; the pre-screening frame is fixedly installed on the inner side of the pre-screening plate, a partition plate is fixedly installed on one side of the pre-screening frame, the pre-screening plate is fixedly installed on the upper surface of the pre-screening frame, a bottom plate is fixedly installed on the lower side of an inner cavity of the shell, and a first crushing part is arranged below one end of the pre-screening plate. According to the preparation device and method for producing the anthracite raw material in the cement in the brick kiln, through the pre-screening assembly, it can be avoided that coal with the too large size enters the screening stage, and the screening efficiency is affected, meanwhile, secondary crushing can be rapidly conducted on the coal with the too large size, and the preparation efficiency is improved; and the continuity and automation of the device can be improved in cooperation with the conveying assembly.

The utility model relates to the technical field of sintered perforated brick production, and discloses an environment-friendly sintered perforated brick waste gas treatment device which comprises a brick kiln, a waste gas conveying pipe is installed on the top of the brick kiln, a waste gas treatment device body is installed on one side of the waste gas conveying pipe, an exhaust pipe is installed on one side of the waste gas treatment device body, and an exhaust pipe is installed on the other side of the exhaust pipe. A plurality of filter elements are mounted in the waste gas treatment equipment body, and a placement groove is formed in the bottom of the waste gas treatment equipment body. According to the waste gas treatment equipment for the environment-friendly sintered perforated bricks, a user puts formed green bricks into a brick firing kiln to be fired, waste gas generated in the firing process enters the waste gas treatment equipment body through a waste gas conveying pipe, and when the waste gas enters the waste gas treatment equipment body, dust in the waste gas is filtered through a dust filtering plate; harmful substances in the waste gas are adsorbed through the filter element, and the filtered waste gas is exhausted through the exhaust pipe.

This invention discloses a method for reducing the grindability index of raw coke. After the carbonization feed is completed, the heating furnace heat load is maintained, and steam or heavy oil is introduced into the furnace tubes. The heated steam or heavy oil is then sent to the carbonization tower. Simultaneously, the carbonization tower is restored to a slightly positive pressure within 30-60 minutes, and the carbonization reaction temperature of the material is maintained to continue the carbonization reaction. Then, the raw coke exiting the carbonization tower is sent to a carbonization furnace or brick kiln for calcination. This invention, based on the raw coke production process and the principles affecting the grindability index of raw coke, produces raw coke with an adjustable grindability index suitable for manufacturers, reducing the time spent by manufacturers in raw material selection.

The invention discloses a low-silicon low-titanium high-carbon ferro-chrome product and a smelting and casting method, and belongs to the technical field of high-carbon ferro-chrome processing, and the low-silicon low-titanium high-carbon ferro-chrome product comprises the following components in percentage by mass: 48-55% of Cr, 6.0-9.0% of C, and 1t of Si; 4%, Ti: lt; 0.01%, V: lt; 0.02%, Al: 1t; 0.10%, S < = 0.02%, and P < = 0.02%; and the balance of Fe and inevitable impurities. The smelting and casting method comprises the following steps: S1, grinding chromite, and uniformly mixing A; s2, mixing and agglomerating the material A and a binder, and carrying out chain grate-brick kiln consolidation roasting to obtain chromite pellets; s3, the chromite pellets are put into a submerged arc furnace, melting reduction is conducted in combination with a flux and a reducing agent, and high-carbon ferrochrome alloy liquid with the components reaching the standard is obtained; and S4, under the totally-closed Ar-H reductive protective atmosphere, the alloy liquid is injected into a fire-resistant crystallizer with a built-in partition plate and a bottom ejection mechanism. According to the method, the impurity removal efficiency is improved, and industrial-grade production for stably controlling the titanium content in the high-carbon ferrochrome is realized.

The utility model relates to the technical field of pressure detection, in particular to a natural gas high-low pressure alarm device for a refractory brick kiln. According to the technical scheme, the device comprises a pipe body, a piston and a barrel, the barrel is arranged on the pipe body in a sliding mode, a base plate is arranged at the bottom end of the barrel and makes elastic contact with the top end of the inner wall of the pipe body, an isolating membrane is arranged on the lower surface of the base plate, the annular edge of the isolating membrane is fixed to the top end of the inner wall of the pipe body, and a sealing plate is arranged at the top end of the barrel. A piston is arranged in the barrel in a sliding mode, the piston is elastically connected with the sealing plate, and a first alarm and a second alarm are arranged on the upper surface of the sealing plate. According to the utility model, the structures are controlled to move cooperatively under the action of pressure through cooperation among the structures, so that the on-off state of each circuit is controlled, and personnel are reminded of the pressure state in the gas pipeline in time.

The invention provides an ammonia production device and an ammonia production method for flue gas denitrification of a brick kiln. A recovery box is used for recovering solutions in a reaction tank and a condensation pipe and injecting the solutions into the reaction tank again after treatment; the gas adjusting mechanism comprises a dust removal tank and a dilution fan, and the dilution fan is used for extracting air from a specific gas source and conveying the air into the dust removal tank for dust removal treatment; the denitration executing mechanism comprises a gas mixing cylinder and a plurality of spray guns arranged in the brick kiln, the gas mixing cylinder is used for mixing the ammonia gas mixture and the dedusted air according to a preset proportion to obtain mixed gas, and the spray guns are used for spraying the mixed gas into the brick kiln to conduct denitration treatment on flue gas generated in the brick kiln. The problems that the reaction efficiency is reduced and the ammonia escape rate is high due to the fact that an existing flue gas denitration device is large in spray gun atomization particle size range and lacks an effective recovery or secondary utilization mechanism for unreacted ammonia are solved.

1. Name of the design product: kiln brick (kiln speed). 2. Use of the design product: sand mixed brick block designed for "earthen kiln cooking". 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The utility model discloses a kind of brick kiln high-temperature denitration equipment, belong to kiln denitration device technical field, the brick kiln high-temperature denitration equipment, comprising: brick kiln main body, the inside of brick kiln main body is provided with multiple brick embryo frames, waste heat recovery boiler is installed in the top surface of brick kiln main body;Debit component, debit component includes: multiple spray guns, multiple compressed air pipes and multiple denitration agent pipes, multiple spray guns are installed in the top surface of brick kiln main body.The brick kiln high-temperature denitration equipment, through spray gun mixed compressed air and denitration agent, and accelerate after spraying, make denitration agent maximum degree with flue gas mixing, again minimum degree influence product quality, through existing waste heat boiler takes hot water, hot water enters preparation tank and is dissolved to denitration agent, while part hot water enters heating module, and enters cleaning water tank and denitration agent tank and is heated and heat preservation to it, improve the utilization of energy.

This invention discloses a method for drying raw materials using waste heat from a sintering brick kiln, relating to the field of sintering brick raw material drying technology. The invention first constructs a material pre-drying platform on the top surface of the tail section of the sintering brick kiln, places the material on the pre-drying platform, and opens a connecting opening at the top of the tail section near the brick outlet. The dryer is then mounted above the connecting opening, and an insulation structure is installed outside the drying equipment. This invention utilizes the waste heat of the kiln to pre-dry the raw materials, removing most of the moisture, before they enter the dryer for further drying. The waste heat from the kiln tail section is discharged through the connecting opening, acting on the dryer cylinder, and then conducted to the material inside the dryer. This isolates the kiln flue gas from contact with the material, preventing impact on the material's properties and sulfur content. The insulation structure also prevents flue gas escape and facilitates temperature control during drying.

Two-section type roasting equipment comprises a placing table, a first rotary kiln and a second rotary kiln are arranged on the upper side of the placing table, a certain height difference exists between the first rotary kiln and the second rotary kiln, a connecting pipe is arranged between the first rotary kiln and the second rotary kiln, the first rotary kiln and the second rotary kiln are both obliquely arranged relative to the placing table, and an independent transmission gear, a wheel belt and a dragging wheel are arranged outside the first rotary kiln. An independent transmission gear, a wheel belt and a tug are arranged outside the second rotary kiln, an elastic baffle is arranged in the middle of the connecting pipe, and a vibration supporting frame is arranged outside the connecting pipe. The first rotary kiln can quickly dry phosphate tailing materials, after the materials enter the second rotary kiln, the high kiln temperature can make the phosphate tailing materials fully heated and react, the baffles at the connecting pipes can prevent the tailing materials from being too light and being blown to the kiln tail by kiln head airflow, and the supporting frame plays a supporting role and also plays a role in drying. And the materials can be conveyed from the first rotary kiln to the second rotary kiln quickly, so that the problem of uniform heating of the rotary kilns is solved, and meanwhile, the problem that mineral powder is easily brought into a dust remover by airflow is solved.