11results about "Retorts" patented technology

The utility model relates to a cooling device in a biomass carbonization furnace, which comprises two distributive pipes, water pipes are arranged at the tail ends of the distributive pipes, a plurality of pipe bodies are arranged between the two distributive pipes, heat dissipation assemblies are arranged on the inner sides of the pipe bodies, the two ends of the pipe bodies are respectively in threaded connection with mounting nozzles, and the tail ends of the mounting nozzles are fixedly connected with second connecting pipes. A plurality of first connecting pipes are symmetrically installed at the close ends of the two water distribution pipes, connecting sleeves are connected between the first connecting pipes and the second connecting pipes in a threaded mode, the heat dissipation assembly comprises three heat dissipation fin plates with the head ends fixedly connected, the included angle between every two adjacent heat dissipation fin plates is 120 degrees, the tail ends of the heat dissipation fin plates are fixedly connected with arc-shaped pieces, and the arc-shaped pieces are fixedly connected with the heat dissipation fin plates. Mounting strips are fixedly connected to the outer sides of the arc-shaped pieces, mounting grooves are formed in the inner side of the pipe body, and the mounting strips are mounted in the mounting grooves. The fire grate has the effect of cooling the fire grate, material fatigue or ablation caused by overheating is avoided, and the fire grate can be conveniently disassembled, replaced and descaled.

The utility model belongs to the field of carbonization furnaces, and provides a carbonization furnace with double furnace return air passages, which aims to solve the problems of air passage ignition, influence on production load, gas backflow and possible flash explosion in the traditional carbonization furnace structure process, and comprises a furnace body, and a cavity in the furnace body is a carbonization chamber. The lower part of the carbonization chamber is divided into a plurality of mutually independent coke discharge ports by partition walls; an upper gas passage and a lower gas passage which are independent are respectively arranged on the partition wall and the inner wall of the furnace body corresponding to the partition wall in height, a plurality of fire holes communicated with the carbonization chamber are respectively formed in the gas passages, the gas passages comprise an air passage and a gas passage, and the air passage is arranged above the gas passage in parallel. According to the utility model, returned coal gas and returned air respectively enter the carbonization furnace from the two independent air passages, so that the problems that mixed gas of air and coal gas exists in the air passages, a lattice wall is easily burnt out, or flash explosion is caused in a pipeline and the like are solved, the temperature in the carbonization furnace can be conveniently and automatically controlled and adjusted, and the heat utilization efficiency is improved.

The utility model relates to the technical field of temperature measuring devices, in particular to a carbonization chamber temperature measuring device. According to the technical scheme, the device comprises a carbonization chamber, a conical cylinder, a motor, a temperature sensor, a supporting plate and a supporting seat, a thermocouple is arranged in the carbonization chamber, the supporting plate is arranged at the upper end of the conical cylinder, the motor is arranged at one end of the carbonization chamber, and a screw rotationally installed in the carbonization chamber is arranged at the output end of the motor; a threaded sliding block is installed on the outer wall of the threaded rod in a threaded mode, a supporting base is arranged at the lower end of the threaded sliding block, a first spring is connected between the supporting base and the supporting plate, a second spring is arranged at the lower end of the carbonization chamber, a conical plate is arranged at the lower end of the second spring, and a first hydraulic rod is arranged at the upper end of the carbonization chamber. According to the utility model, the temperature inside the coke is detected in a multi-point mobile manner, so that the problems that most thermocouples are fixedly mounted, only the local coke temperature can be directly reflected, and the temperature distribution condition inside the whole carbonization chamber cannot be comprehensively reflected are solved.

The invention belongs to the technical field of production of coal gas, coke, tar or analogues by dry distillation of carbon-containing materials, particularly relates to the technical field of flue gas treatment and coke-controlled combustion for carbon fiber production, and particularly relates to a long-distance flue pressure-stabilizing coke-controlled combustion method and device for a carbonization furnace. According to the method, under the condition that the static pressure of the outlet of the carbonization furnace is controlled to be kept unchanged, the temperature of the flue gas in the flue gas pipeline is monitored, and when the temperature of the flue gas in the flue gas pipeline is lower than a critical value, the flue gas in the flue gas pipeline is heated through the heating combustor, so that low-flow flue gas is prevented from being coked in the flue gas pipeline. According to the flue gas anti-coking device, the induced draft fan is precisely regulated and controlled, and the heating bin is arranged, so that stable transportation of the flue gas of the carbonization furnace in a long-distance conveying pipeline is guaranteed, the problem that the flue gas is condensed and coked in the flue is solved, and compared with a traditional flue anti-coking technology, the energy consumption is reduced.

The utility model discloses a special-shaped curved-surface refractory brick and a carbonization furnace, and relates to the technical field of preparation of refractory bricks in the carbonization furnace, the special-shaped curved-surface refractory brick comprises a refractory brick body, the refractory brick body is provided with a coke pushing surface for guiding coal to move out of the carbonization furnace, and the coke pushing surface is a partial structure of a brachistost curved surface; the starting point of the coke pushing surface coincides with the highest point of the brachistost curved surface, and the included angle between the tangential direction of the starting point of the coke pushing surface and the highest point of the brachistost curved surface and the horizontal direction is 90 degrees; the end point of the coke pushing surface is positioned above the lowest point of the brachistost descent curved surface, and the included angle between the tangential direction of the end point of the coke pushing surface and the horizontal direction is 20-40 degrees, so that the problem of slow speed reduction of coal at the bottom of the carbonization furnace is solved.

The application provides a method and system for coupling biomass solid waste power generation and preparing a biomass charcoal foaming agent for steelmaking, and relates to the field of solid waste treatment. The method comprises the following steps: a part of biomass solid waste is subjected to gasification through a gasification furnace to obtain gasification carbon and biomass gas, and another part of biomass solid waste is subjected to carbonization through a carbonization furnace; the carbonization comprises a low-temperature pyrolysis stage, a high-temperature pyrolysis stage and a slow cooling stage in sequence; the total amount of pyrolysis gas generated by the carbonization furnace is less than or equal to 15-25 Nm 3 / h, and the carbonization is ended to obtain pyrolysis carbon; and the gasification carbon and the pyrolysis carbon are compounded to obtain a biomass charcoal foaming agent for steelmaking. The method provided by the application realizes deep utilization of biomass solid waste by utilizing the obtained gas for power generation while preparing a biomass charcoal product suitable for an electric furnace steelmaking foaming agent.

The application discloses a biomass superhigh-temperature pyrolysis carbonization furnace with lower smoke exhaust and lower air inlet, and relates to the technical field of biomass pyrolysis carbonization, which comprises a furnace body, a furnace cover, an air inlet, a smoke exhaust elbow and a temperature control alarm device. The outer wall of the furnace body is made of a steel plate structure, and an insulating layer is arranged in the furnace body. At least four air inlets are uniformly arranged at the bottom of the furnace body and used for air supply from the bottom of the furnace. A smoke exhaust elbow is arranged at the lower part of the furnace body, and the lower edge of the smoke exhaust elbow is higher than the upper edge of the air inlet. A support is arranged at the bottom of the furnace body and used for supporting a carbon cage. The temperature control alarm device is arranged at at least one air inlet. The furnace body structure combining lower air inlet with lower smoke exhaust is adopted, and the insulating layer and the temperature control alarm device in the furnace are matched, so that the ordered heat transfer from top to bottom and the full recycling of the furnace gas in the biomass carbonization process are realized. Therefore, the pyrolysis efficiency and the fixed carbon conversion rate are remarkably improved under the premise of ensuring the uniformity of carbonization and the quality of finished products.

The utility model relates to the technical field of carbonization furnaces, in particular to a biomass carbonization furnace which comprises a base, a carbonization furnace body is arranged on one side of the base, a mounting seat is arranged on the side, away from the carbonization furnace body, of the base, a pair of carrying assemblies are symmetrically arranged on the mounting seat, and dumping assemblies are arranged on the two carrying assemblies. A feeding opening switch assembly is arranged on the carbonization furnace. By arranging the carrying assembly, it is ensured that the feeding barrel can be stably carried to the feeding opening of the carbonization furnace from the initial position, then the first telescopic cylinder enables the feeding barrel to flexibly ascend and descend in the vertical direction, the bevel edge discharging opening of the feeding barrel can be higher than the feeding opening, and therefore the dumping assembly can conveniently enable the feeding barrel to feed materials; and the feeding barrels after dumping can be lowered to the safe height, so that the heights of the feeding barrels in the double stations are staggered, and mutual interference is avoided.

This utility model relates to the technical field of carbonization furnace cooling devices, and discloses a carbonization furnace cooling device with a circulating air duct, including a cooling tank. A chassis is fixedly connected to the bottom of the cooling tank. A motor is fixedly connected to the top right side of the chassis. A turntable is fixedly connected to the output end of the motor. A cylindrical block is fixedly connected to the left side of the turntable. An elongated block is fixedly connected to the left side of the cylindrical block. A rotating shaft is rotatably connected to the top of the elongated block. A connecting plate is rotatably connected to the outer wall of the rotating shaft. In this utility model, the motor drives the turntable to rotate, and then the cylindrical block begins to rotate with the turntable. The elongated block makes a curved motion. Through the rotating shaft, the connecting plate begins to make a linear motion, pushing the guide plate to swing left and right. Therefore, the cooling air volume entering the air duct is controlled to meet the cooling needs of different parts and different working stages of the carbonization furnace.

The utility model relates to the technical field of mechanical equipment, and discloses an automatic carbonization feeding device which comprises a storage hopper, a stirring box is arranged on the lower side of the storage hopper, a second motor is arranged on the outer wall of the stirring box, a paddle is rotatably connected between the inner side walls of the stirring box, the output end of the second motor penetrates through the side walls of the stirring box, and the output end of the second motor is connected with the stirring box. The output end of the second motor is fixedly arranged at one end of a paddle, a discharging box is arranged on the lower side of the stirring box, a conveying belt is arranged below the discharging box, and a carbonization device is arranged below one end of the conveying belt. According to the device disclosed by the utility model, a material to be carbonized is stirred through the storage hopper, the stirring box, the motor II and the paddle; a to-be-carbonized material is fed into the carbonization device for carbonization through the discharging box and the conveying belt; therefore, the problems that a traditional feeding device is prone to blocking in a conveying pipeline when encountering materials with large viscidity or uneven particles, and production continuity is affected are solved.

The utility model relates to the technical field of agricultural non-point source pollution reduction, in particular to a straw carbonization device for reducing agricultural non-point source pollution, which comprises a base, the upper end face of the base is fixedly connected with a carbonization shell with an opening structure at the right end, and the upper end face of the base is slidably connected with a straw carbonization device located on the right side of the carbonization shell. The stepping motor is matched with the screw rod and the middle sliding block to drive the mounting plate to move rightwards, the mounting plate drives the carbonization inner cylinder to move rightwards, and the carbonization inner cylinder is moved out of the carbonization shell, so that the carbonization device can be conveniently and quickly disassembled, the stepping motor operates reversely, and the stepping motor is matched with the screw rod and the middle sliding block to drive the mounting plate to move leftwards; the mounting plate drives the carbonization inner cylinder to move leftwards, so that the carbonization inner cylinder enters the carbonization shell, and at the moment, the mounting plate is propped against the carbonization shell, so that the carbonization device is conveniently and quickly mounted, the carbonization device is conveniently dismounted and mounted, and the maintenance efficiency of the carbonization device is improved.