17results about How to "Improve calcination effect" patented technology

The utility model discloses a high-temperature calcining furnace, which relates to the field of mineral medicine calcining and comprises an electric kiln calcining furnace, one side of the electric kiln calcining furnace is provided with an inlet, the bottom end of the electric kiln calcining furnace is provided with a bottom plate, one side of the bottom plate is connected with a protruding frame, the protruding frame is provided with a track, the top end of the track is provided with a moving trolley, and the moving trolley is provided with a movable support. A base is arranged at the top end of the moving vehicle, a containing groove allowing the base to enter is formed in the inlet, inner wall grooves are formed in the three faces in the containing groove, and the six faces of the electric kiln are each of a three-layer material overlapping design and are stacked in a pyramid-like shape with the large lower portion and the small upper portion, so that on one hand, the good heat preservation effect is achieved; meanwhile, the two furnace door bases on the sliding rails are designed to be large in lower portion, small in upper portion and obvious in size difference, and cold air is effectively prevented from entering from gaps, or hot air is effectively prevented from being dissipated.

The utility model relates to the technical field of calcining equipment, in particular to oxygen injection calcining equipment for zinc oxide production. According to the technical scheme, the heating furnace comprises an upper furnace body and a lower furnace body, the upper furnace body is fixedly connected to the top of the lower furnace body, the heating furnace further comprises a telescopic pipe and a connecting pipe which are fixedly connected between the upper furnace body and the lower furnace body, an air inlet pipe and an air outlet pipe are fixedly connected to the lower furnace body, and a heating assembly used for heating air is arranged in the lower furnace body. An adjusting assembly used for adjusting the air inlet amount of the air inlet pipe is fixedly installed on one side of the lower furnace. According to the utility model, air entering the upper furnace is heated, and insufficient and incomplete reaction caused by lower air temperature is avoided, so that the production utilization rate of zinc oxide is improved; and meanwhile, air in the upper furnace flows uniformly, zinc makes uniform contact with the air, the calcination effect is improved, the air inlet amount of the air inlet pipe is adjusted, and the use requirement for calcination equipment in zinc oxide production is met.

The invention belongs to a cement kiln oxygen-enriched combustion coupling combustible gas denitration system in the technical field of energy conservation and carbon reduction of industrial kilns. The invention further relates to a control method of the cement kiln oxygen-enriched combustion coupling combustible gas denitration system. A gas outlet of the gasification furnace (1) is communicated with an inlet of the cyclone separator (4), and an oxygen supply pipeline (5) is arranged on the conveying pipeline (2); a cyclone separator (4) is arranged below the preheater (6), and a discharge port of the preheater (6) is communicated with a feed port of the cyclone separator (4); or a calcium-based waste feeding component (7) is arranged above the cyclone separator (4), and the calcium-based waste feeding component (7) is communicated with the cyclone separator (4). According to the system and method for coupling oxygen-enriched combustion with combustible gas denitration of the cement kiln, fly ash carried by the combustible gas can be separated, and chloride ions in the combustible gas can be adsorbed and separated; meanwhile, oxygen-enriched combustion in the rotary kiln is achieved, the combustion efficiency of the rotary kiln is improved, and the calcining capacity in the rotary kiln is improved.

The utility model discloses a variable-diameter electromagnetic heating rotary kiln, which belongs to the technical field of rotary kiln heating, comprises a kiln body, a heating part is provided with a charging barrel extending axially, and an electromagnetic heating coil rack is rotatably connected and sleeved on the outer side of the charging barrel, and is characterized in that an electromagnetic heating coil is formed by combining a preset number of independent electromagnetic heating coil units; the independent electromagnetic heating coil unit comprises an electromagnetic heating coil rack and an electromagnetic heating coil; the charging barrel comprises a heating tube pass and a heat preservation tube pass; the rotary kiln has the advantages that the inner diameter of the charging barrel of the heat preservation tube pass is larger than that of the charging barrel of the heat preservation tube pass, on the premise that the occupied area is not increased, the calcination time of materials in the rotary kiln is prolonged, and the calcination capacity is improved; and the lifting plate ensures that enough calcining time is reserved for the materials in the rotary kiln under the condition that the materials are turned over, so that the materials are more uniform.

The quenching equipment comprises a bottom plate, side baffles are fixedly connected to the positions, close to the edges of the two sides, of the top of the bottom plate, and connecting transverse plates are fixedly connected to the positions, close to the edges of the front side and the rear side, between the tops of the outer surfaces of the opposite sides of the two side baffles; first sliding grooves are formed in the positions, close to the centers, of the outer surfaces of the opposite sides of the two connecting transverse plates. The quenching equipment solves the problems that existing quenching equipment is generally heated in a high-temperature furnace and then manually clamped into a quenching pool for quenching through locking pliers, great potential safety hazards exist in the process, the device is inconvenient to effectively use, and the quenching efficiency is low. The problems that in existing calcination, a device needs to be continuously kept at the high temperature for a certain time, then effective quenching forging can be conducted to obtain objects with better performance, existing quenching equipment lacks the needed environment, and the quenching use effect of the device is reduced are solved.

The invention belongs to the technical field of material science and engineering, and discloses calcining equipment for preparing high-purity tantalum oxide, which comprises a workbench, a fluotantalic acid solution produced by a tantalum-niobium liquid-liquid extraction method is used as a raw material, ammonia water and ammonia gas are used for neutralizing and precipitating, and the high-purity tantalum oxide is prepared by controlling different factors such as ammonia water concentration, tantalum liquid concentration, ammonia flushing speed and neutralizing temperature. Tantalum oxide particles are produced, then the produced tantalum oxide particles are poured into the spherical shell, the calcining crucible is started, heat conduction is conducted on the tantalum oxide particles in the spherical shell through temperature rising of the calcining crucible, and therefore the tantalum oxide particles are calcined, meanwhile, the motor is driven, and the motor drives the rotating shaft and the spherical shell to rotate; in the rotating process of the spherical shell, the tantalum oxide particles can be subjected to rolling heating at the bottom of the inner wall of the spherical shell, the calcining effect on the tantalum oxide particles is improved, the tantalum oxide particles can be heated more uniformly, the conversion efficiency of the tantalum oxide particles can be increased, and the surface structure of the particles can be optimized.

This invention discloses a system for producing ammonium sulfite using electrolytic manganese ammonium sulfate double salt. The system includes a drum high-temperature drying device. The electrolytic manganese ammonium sulfate mixture output from the drum high-temperature drying device is fed into a crushing device via an elevator. The electrolytic manganese ammonium sulfate mixture output from the crushing device is fed into an anaerobic calcining furnace. A three-stage electrostatic precipitator is connected to the rear end of the anaerobic calcining furnace. The exhaust gas, after dust removal by the three-stage electrostatic precipitator, is sent to a multi-stage absorption and conversion tower via an exhaust gas pipeline. The conversion liquid and the completed absorption liquid after passing through the multi-stage absorption and conversion tower are sent to an evaporation device. This system and method for producing ammonium sulfite using electrolytic manganese ammonium sulfate double salt improves the calcination effect through pretreatment such as drying and crushing, and ultimately converts the ammonium sulfate into sulfur dioxide through anaerobic calcination to prepare ammonium sulfite. The difference lies in the direct blending and calcination method used in domestic and international processes.

The utility model relates to the technical field of calcining equipment, in particular to a high-temperature oyster shell calcining device which comprises a calcining workbench used for calcining oyster shells, a metal conveying mesh belt is installed on the calcining workbench, a feeding inclined plate is installed at the top of one end of the metal conveying mesh belt, and a discharging inclined plate is installed at the bottom of the other end of the metal conveying mesh belt. And a powder collecting plate is mounted at the bottom of the calcining workbench. Oyster shells can be evenly distributed on the calcining workbench through the arrangement of the metal conveying mesh belt, the oyster shells can be gradually calcined along with the movement of the mesh belt, the production efficiency is improved through the continuous conveying design, the calcining process is more continuous and even, and the production efficiency is improved. A powder collecting plate is arranged and used for collecting oyster shell powder generated in the calcining process, and scattering and waste of the powder are avoided. And the high-temperature flame nozzle directly performs high-temperature calcination on the oyster shells, so that the oyster shells can be quickly and uniformly heated, and the calcination effect and the product quality are improved.

The present invention belongs to the technical field of aluminum smelting equipment, and in particular, relates to a burner for improving the performance of an anode carbon block roasting furnace, comprising a device body, a feed port is provided above the device body, a placement cavity is provided below the feed port, a placement plate is provided in the placement cavity, and a motor is provided at the bottom of the device body; a roasting assembly, the roasting assembly comprises a circular cavity, a rotating rod, a first gear, a second gear, a tooth groove and two burners, the internal rotation of the device body is connected with a rotating rod, and a circular cavity is provided on the bottom wall of the placement cavity. The present invention provides a roasting assembly, and evenly calcines the raw materials on the placement plate through two burners, thereby greatly improving the calcination performance of the roasting furnace, and provides a first transmission assembly and a vibration assembly, so that the placement plate vibrates, thereby preventing the raw materials on the placement plate from sticking to the placement plate, and facilitating the staff to take out and clean the materials after the calcination is completed, so that the anode carbon blocks on the placement plate are evenly calcined.

The invention discloses an intelligent kiln for bamboo salt manufacturing and a manufacturing method of the intelligent kiln, relates to the technical field of bamboo salt energy-saving combustion control, and aims to solve the problems that the bamboo salt manufacturing effect is poor due to inaccurate temperature control, and heat is lost and wasted due to too high heat. The controller controls the air supply mechanism to supply air with different logics at different time periods according to the real-time temperature, and the bamboo salt is subjected to automatic control calcination in five stages of drying, heating fusion, stable fusion, bamboo decomposition and carbonization, so that the traditional Chinese medicine, the bamboo, the salt and the pine can be uniformly fused finally; by means of intelligent temperature control and precise stage regulation and control, the effect of calcining the bamboo salt every time is improved, energy waste caused by too high temperature can be avoided through precise temperature control and a buried kiln body, and meanwhile heat generated by flue gas can be recycled.

The utility model discloses a device for increasing the secondary air temperature of a cement kiln. The device comprises an original kiln head cover, a cooling machine, a high-temperature branch pipe and a newly-added tertiary air pipe. A part of air volume of tertiary air is guided into the top area of the original kiln head cover through the high-temperature branch pipe and enters the newly-added tertiary air pipe; and the other part of tertiary air blown out of the air chamber enters the top area of the original kiln head cover from the area below the non-newly-added tertiary air pipe of the original kiln head cover, and then enters the newly-added tertiary air pipe. Due to the fact that the stretching-in length of the newly-added tertiary air pipe is larger than the width of the secondary air blowing-out area of the air chamber, secondary air is difficult to blow into the newly-added tertiary air pipe by the fan, and the intersection of the path of the tertiary air entering the tertiary air pipe and the path of the secondary air entering the kiln mouth is few. Therefore, the mixing of secondary air and tertiary air is effectively reduced, and the loss of high-heat air quantity caused by the inflow of the secondary air and the tertiary air pipe is reduced; the method has the characteristics that the investment cost is low, the return rate is high, and the carbon emission is reduced.

The invention discloses an aluminum ash calcination device, and relates to the technical field of aluminum ash calcination, the aluminum ash calcination device comprises a vertical reactor body, the inner wall of the vertical reactor body is fixedly connected with a calcination hopper, and the lower end of the calcination hopper is provided with a plurality of ventilation holes; the calcining mechanism comprises an air inlet formed in the inner bottom of the vertical reactor body, the inner wall of the air inlet is rotatably connected with a rotating shaft, the side wall of the rotating shaft is fixedly connected with a plurality of fan blades, the side wall of the vertical reactor body is symmetrically and fixedly connected with two box bodies, and the inner walls of the two box bodies are in sealed sliding connection with sliding plugs; the interior of the box body is divided into a liquid pumping cavity and an air pumping cavity through the sliding plug, and a vertical groove is formed in the upper end of the rotating shaft. The temperature in the vertical reactor body is automatically monitored through the temperature sensor, and then the temperature in the vertical reactor body is automatically adjusted, so that the temperature can be kept at about 1300 DEG C, and sufficient calcination of aluminum ash balls is guaranteed.

The utility model relates to efficient calcining equipment for lime powder, which belongs to the technical field of lime powder production and comprises a furnace body, a stirring pipe is rotatably connected into the furnace body, two fixing plates are fixedly connected to the top end of the outer side of the stirring pipe, and rotating shafts are rotatably connected into the fixing plates. The lime calcining device has the beneficial effects that when lime powder in the furnace body needs to be calcined, the stirring auger can be driven to stir the lime powder through the rotation of the stirring pipe, so that the calcining effect of the calcining mechanism on the lime powder is improved, and meanwhile, a fixed plate can be driven to rotate, so that a transmission gear can roll outside an inner gear ring; and through the arrangement of the scraping plate, the lime powder on the periphery of the interior of the furnace body can be stirred, the lime powder on the inner wall of the furnace body can be scraped off, the adhesion phenomenon of the lime powder is reduced, the lime powder is calcined more thoroughly, and the calcining effect of the lime powder is further improved.

This application discloses a high-temperature ceramsite aggregate mixing and calcining device, comprising a calcining box with an opening at the top for high-temperature ceramsite and phosphogypsum to enter, the opening having an opening and closing gate; an outlet at the bottom of the calcining box with an outlet opening and closing gate; a filter element located at the outlet and near the outlet opening and closing gate, allowing phosphogypsum to pass through; and a vibration device located on the side wall of the calcining box for vibrating the calcining box. By incorporating the vibration device and filter element, this application enables phosphogypsum to fully fill the gaps between the ceramsite and achieve efficient mixing and calcination, significantly improving heat utilization and calcination effect. Furthermore, the vibration device can effectively separate phosphogypsum and ceramsite.

The utility model belongs to the technical field of high and low temperature circulators, and particularly relates to a totally-closed high and low temperature circulator which comprises a high and low temperature circulator body and a heat dissipation channel arranged in the high and low temperature circulator body and used for heat dissipation, and an installation base communicated with the heat dissipation channel is arranged on the front side of the high and low temperature circulator body. A heat dissipation channel is formed in the outer portion of the mounting base, a heat dissipation opening communicated with the heat dissipation channel is formed in the outer portion of the mounting base, a filtering piece is inserted into the mounting base from top to bottom, the filtering piece is inserted between the heat dissipation opening and the heat dissipation channel, the filtering piece comprises a frame and a filtering net, and a mounting hole communicated with the heat dissipation opening and the heat dissipation channel is formed in the frame. According to the utility model, the mounting seat and the filter element which are matched with each other are additionally arranged, and the filter element is inserted into the mounting seat to realize quick disassembly and assembly, so that the filter element is convenient to replace.

The high-temperature coke calcining and crushing device comprises a calcining furnace, the top of the calcining furnace is open and abuts against a liftable furnace cover, the furnace cover is communicated with a feeding hopper, a double-roller crushing mechanism is installed on the upper portion of the feeding hopper, a jacket is arranged on the outer side of the calcining furnace, and a hollow ball is detachably arranged at the inner bottom of the calcining furnace. A double-shaft-extension motor is arranged in the upper portion of the hollow ball, a driving bevel gear fixedly sleeves an output shaft on the lower side of the double-shaft-extension motor, a rotating shaft is fixedly connected to an output shaft on the upper side of the double-shaft-extension motor, and a plurality of transverse stirring shafts are rotationally arranged in the middle of the hollow ball; one end of the transverse stirring shaft is fixedly sleeved with a driven bevel gear vertically meshed with the driving bevel gear, a plurality of square stirring frames are fixedly connected to the peripheral side of the part located outside the hollow ball, net-shaped stirring pieces are fixedly connected to the inner sides of the square stirring frames, and the top end of the rotating shaft extends out of the hollow ball and is fixedly connected with a square rotating frame. According to the invention, the integration of crushing and calcining can be realized, and the overall processing efficiency and quality are better.

The utility model relates to the technical field of cement processing, in particular to a layered coal injection and single air inlet calcining device. According to the technical scheme, the layered coal injection device comprises a conveying pipe, a layered coal injection structure and a feeding structure, a fan is installed at one end of the conveying pipe in a communicating mode, flow guide plates distributed in an annular array mode are arranged in the conveying pipe, flow guide grooves are formed between the flow guide plates, and the layered coal injection structure comprises an upper spray pipe, a horizontal spray pipe and a lower spray pipe. Raw materials such as pulverized coal and carbon black which are independently conveyed into the conveying pipe and used in the cement firing processing process are guided through the guide plate, when single inlet air passes through the guide plate to form vortex airflow, the raw materials are mixed and conveyed into the rotary kiln in a layered mode, and the problems that the carbon black and the pulverized coal need to be mixed in advance, and the mixing efficiency is high are solved. And the problem that the production cost is increased due to additional mixing wrinkles is solved.