42results about How to "Increase pyrolysis rate" patented technology

The invention discloses a making technique and equipment of magnesia and hydrogen chloride through two-grade dynamic sintering magnesium chloride, which comprises the following steps: drying tail gas of high-temperature hydrogen chloride with water magnesium chloride; sintering magnesium chloride under 600-900 deg.c to decompose magnesium chloride into magnesia and hydrogen chloride; separating solid from liquid; drying; cooling; obtaining the product; making alcaine. The mated equipment is composed of hot wind device, sintering tower, cyclone separator 1, flow drier, gas-solid separating device, raw material adder, seal-phased transmitting pipe, blower and induced fan.

A method of pyrolyzing high-protein algae and waste plastics with gas-solid two-phase mixed chlorine removal to produce charcoal. (1) Separately crush waste plastics and high-protein algae biomass, grind them into granules, and put them into two pyrolysis devices after drying (2) Introduce carrier gas into the pyrolysis device where the waste plastic is located, and set the reaction flow rate; (3) Set the temperature of the two pyrolysis devices respectively, the first pyrolysis of waste plastic will generate HCl gas, high protein Algae biomass is pyrolyzed to produce algae biochar, and HCl gas and carrier gas are passed into the pyrolysis device where the high-protein algae biomass is located, and HCl gas reacts with algae biochar; (4) Adjust the location of waste plastics The temperature of the pyrolysis device, the second pyrolysis of waste plastics produces biochar. The invention adopts the segmented pyrolysis method to maximize the removal of the chlorine element in the waste plastic in the form of HCl, effectively removes the toxic substance chlorine in the waste plastic, and solves the problem of "white pollution".

The invention relates to the field of pyrolysis of carbon-containing materials, and is a biomass electromagnetic induction pyrolysis and liquefaction reactor, which is characterized in that: it comprises a screw feeder arranged on a support frame, and the screw feeder is composed of a shell and is The feeding hopper, the exhaust pipe and the slag discharge pipe arranged on the casing are composed of a screw shaft arranged in the casing; an inductive coil is wound on the casing; The core tube, the hollow core of the hollow core tube is the cooling liquid flow channel; the lower port of the slag pipe is placed in the water seal groove; the screw shaft is connected with the reducer shaft of the motor; there is an exhaust groove on the axial direction of the screw shaft mouth. It has the advantages of simple structure, convenient operation, continuous operation, uniform heating, fast pyrolysis speed, good quality, cleanliness, environmental protection, low cost and long service life. It is especially suitable for the pyrolysis of fuelwood, crop straw, aquatic plants and other biomass, and also suitable for the pyrolysis of solid fuels such as coal, oil shale and municipal waste.

The invention discloses a pyrolysis device for processing desulfurization waste liquid in a partial oxidation environment. The pyrolysis device comprises a pressure-bearing housing, a jacket, an insulating layer and a refractory brick which are arranged from outside to inside and connected together, and a gas separation section I, a spray pyrolysis section II, a mixed flow pyrolysis section III, an inactive salt pyrolysis section IV and a pyrolysis salt chilling section V are communicated from top to bottom to treat the desulfurization waste liquid in the partial oxidation environment. The device adopts a segmental treatment mode, so that decomposition of aromatic compounds and organic matters in the desulfurization waste liquid is ensured in the partial oxidation environment, COD and sulfides in the generated wastewater are reduced, meanwhile, pyrolysis of the inactive salt in the desulfurization waste liquid in the reducing atmosphere is ensured; therefore, the pollution problem of the desulfurization waste liquid is thoroughly solved and effective components in the desulfurization waste liquid can be recycled.

The invention discloses a radiant tube-heated rotary hearth furnace. The rotary hearth furnace comprises a furnace body, a radiant tube and a heat transfer enhancement device. The furnace body comprises a hollow annular cavity. A hearth space is defined in the hollow annular cavity. Rotatable furnace bottoms are arranged at the bottom of the hollow annular cavity. The furnace bottoms adopt hollow annular structures. A furnace bottom space is defined between the furnace bottoms. The furnace bottom space communicates with the hearth space by virtue of a plurality of communicating holes. The radiant tube is arranged in the hearth space. The heat transfer enhancement device is arranged on the furnace body to enable airflow in the furnace body to pass through materials placed on one furnace bottom by virtue of the communicating holes to flow from the hearth space to the furnace bottom space or from the furnace bottom space to the hearth space. According to the rotary hearth furnace, the airflow in the furnace body can pass through the materials on the furnace bottom upwards and downwards alternately, and the heat convection between gas in the furnace body and the materials is enhanced, so that the heat exchange capability of the rotary hearth furnace is improved, and the pyrolysis rate of the materials is increased.

The invention discloses a biomass charcoal discharge device used in biomass production. The biomass charcoal discharge device comprises a furnace disc, wherein the furnace disc is arranged inside a hearth and is connected with a transmission mechanism; a plurality of charcoal discharge through holes are formed in the body of the furnace disc; a disturbance bridging breaking device is arranged on the furnace disc; a charcoal scraping device is arranged below the furnace disc; the furnace disc is driven to rotate by the transmission mechanism, and then the disturbance bridging breaking device isdriven to break accumulation of biomass charcoal; the biomass charcoal is dropped down from the charcoal discharge through holes and is conveyed to next procedures through the charcoal scraping device. Due to the arranged disturbance bridging breaking device on the furnace disc, the charcoal device below the furnace disc and the charcoal discharge through holes in the furnace disc, the biomass charcoal is always at a loosened state and is good in flowability and small in resistance, the pyrolysis velocity inside a furnace is increased, and the drying speed of materials inside an area is increased; a spindle casing and a dustproof cover are compactly connected, and the overall structure is reasonable in arrangement, convenient to maintain and long in service life.

The invention discloses a biomass pyrolysis carbonization furnace including a bottom plate. A reaction tube is connected to the surface of the bottom plate through a support frame. A mounting groove is installed in the lower part of an inner chamber of the reaction tube and is communicated with the inner chamber of the reaction tube through a communication hole. An electric heating tube is arranged in the mounting groove. A feeding inlet is arranged on the upper part of one side of the reaction tube. A top plate is connected to a position, corresponding to the bottom end of the reaction tube,on the surface of the bottom plate via a first electric telescopic rod. In the biomass pyrolysis carbonization furnace, the material is pyrolyzed with hot air flow at high speed in total, wherein thehot air can be reutilized, so that pyrolytic efficiency is guaranteed and heat energy utilization rate is increased too. Meanwhile, by adjustment on the distance between the top plate and a pressing plate, the pyrolyzed materials can be pressed to shape the materials in the same structure, so that the material can be stored conveniently, which has convenience in transportation in later period.

The invention discloses a urea backmixing and pyrolysis apparatus applicable to a SCR denitration system and a pyrolysis method. The apparatus comprises a tower body; the tower body is provided with, from top to bottom, a combustion-supporting wind pipeline, an inlet variable-diameter section, a pyrolytic reaction section, an outlet variable-diameter section and an outlet pipeline; the pyrolytic reaction section is provided with a spray gun layer, a compensation wind pipeline layer and a gas flow equalizing plate from top to bottom; the number of the spray gun layer is at least one; and the spray gun layer is provided with a plurality of spray guns used for spraying an atomized urea solution, the plurality of spray guns are uniformly and radially distributed on the tower wall of the pyrolytic reaction section, and the spraying direction of each of the spray guns downwardly extending along the axial direction of the pyrolytic reaction section. According to the invention, the urea solution is mixed with combustion-supporting wind for primary pyrolysis and then with compensation wind for secondary pyrolysis, so the mixing degree of the urea solution and hot gas is promoted and generation of urea deposit and crystal is prevented; thus, the decomposition efficiency of the urea solution is improved.