30results about How to "Uniform pyrolysis" patented technology

The invention discloses an efficient selectable pyrolysis system and a using method thereof, wherein the efficient selectable pyrolysis system comprises a furnace body, a dry distillation kettle, gas nozzles and a cooling device, wherein a furnace chamber in the furnace body is internally provided with the horizontally-arranged dry distillation kettle, wherein the dry distillation kettle comprises an upper side part, a lower side part, a kettle top and a kettle bottom; the part on the upper side part close to the kettle top is communicated with an exhaust pipe; the other end of the exhaust pipe is connected with a diffusion valve; the part on the furnace part close to the exhaust pipe is provided with a temperature meter communicated with the furnace chamber; the lower part of the lower side part is communicated with gas outlets of four staggered gas nozzles; the gas outlets of the gas nozzles are connected with a control valve; the cooling device comprises a nitrogen intake pipe and a nitrogen exhaust pipe, wherein the nitrogen intake pipe is communicated with the kettle top; the nitrogen exhaust pipe is communicated with the upper side part; and when the efficient selectable pyrolysis system is used, if carbon production is emphasized the heating is finished to pyrolysis carbonization stage, and if biomass gas production is emphasized, the heating is finished to the forging stage. The design not only has good adjustability, high cost performance and high heating efficiency, but also the finished product carbon has good quality and high production efficiency.

The invention discloses a drying furnace or pyrolyzing furnace with rotary beds. The drying furnace or the pyrolyzing furnace comprises a closed shell, N concentric ring planar rotary beds, a feed port, N stop plates, N discharge ports and at least one pyrolysis gas product outlet and/or one tail gas outlet, wherein the N concentric ring planar rotary beds are positioned in the shell; the two ends of the stop plates are seamlessly connected with the inner walls and the outer walls of the corresponding rotary beds respectively; each rotary bed comprises a rotatable planar bed bottom and an inner wall and an outer wall which are kept still relative to the bed bottom; the bed bottom of each rotary bed is provided with at least one through hole; and the heights of the N rotary beds rise gradually from inside to outside and seamless connection is realized. When a material is rotated to the position of a stop plate along with the bed bottom of a rotary bed, the material is pushed from outside to inside by the stop plate so as to fall into the next joined rotary bed through a discharge port; and thus, the material falls from outside to inside step by step, is conveyed to the position of the discharge port of the innermost rotary bed through the bed bottoms of the N rotary beds and is finally discharged out of the drying furnace or the pyrolyzing furnace through the discharge port.

The invention discloses a microwave oven device for pyrolysis and a pyrolysis method thereof. The microwave oven device comprises a microwave oven body and a reaction cavity formed outside the oven body. A closed end cover is arranged on the top of the reaction cavity. Four side face air inlets are distributed in the circumferential wall of the reaction cavity. Four bottom air inlets are formed in the bottom of the reaction cavity. An electric heating device is arranged on the peripheral wall of the reaction cavity. The reaction cavity is connected with the oven body through a movable connecting rod support. According to the requirement of materials to be pyrolyzed, the number of the side face air inlets or the bottom air inlets is selected, a stop button and a start button are pressed, and after a machine body is operated, the upper limit and lower limit of the temperature and power are set. The reaction time is set according to requirements, and after setting is finished, an electric heating button is pressed to insulate the reaction cavity, and when the actually-measured temperature of a thermocouple reaches 300 DEG C, a microwave button is pressed, and whether the stirring function is started or not is selected according to experiment requirements. After pyrolysis of the materials is finished, a microwave oven is automatically stopped.

A drying/pyrolysis furnace with rotary material beds comprises a closed casing, N concentric-ring-shaped planar rotary material beds, a feed opening, N material baffles, N material blanking openings, and at least one waste gas outlet and/or pyrolysis gas product outlet, wherein the rotary material beds are arranged in the casing; two ends of each material baffle are in seamless connection with the inner wall and outer wall of a corresponding rotary material bed respectively; each rotary material bed comprises a rotatable planar bed base, as well as the inner wall and the outer wall which stay still relative to the bed base; at least one through hole is formed in the bed base of each rotary material bed; the heights of N rotary material beds reduce gradually from the inside to the outside; seamless connection is realized; being rotated to the position of a material baffle along with the bed base of a corresponding rotary material bed, material is pushed outward by the material baffle, and then falls to the next rotary material bed connected with the former material bed through the material blanking opening of the former material bed; through the manner, the material falls from the inside to the outside, is transported, through the bed bases of the N rotary material beds, to the blanking opening of the outermost rotary material bed, and is finally discharged out of the drying/pyrolysis furnace through the material blanking opening.

An oil producing device integrating biomass drying, crushing and pyrolysis is provided. The device includes a fed material storage device, a furnace chamber, a pyrolysis chamber, a crusher, a condenser and a ventilation pipeline. The pyrolysis chamber is disposed in the furnace chamber. A feeding device is disposed on the pyrolysis chamber. The crusher is disposed in the pyrolysis chamber. The inlet of the condenser is connected to the outlet of the pyrolysis chamber, and the outlet of the condenser is connected to the ventilation pipeline. After a raw material is fed into the pyrolysis chamber, the raw material is crushed and stirred by the crusher in the pyrolysis chamber, and a thermocouple in the pyrolysis chamber adjusts the temperature in the pyrolysis chamber through a temperature controller. A pyrolysis product is fed into the condenser from the outlet of the pyrolysis chamber through a pipeline, biological oil after condensation is collected and residual carbon is collected atthe bottom of the pyrolysis chamber. Gas that cannot be condensed is conveyed to the fed material storage device through the ventilation pipeline, and waste heat of the gas is utilized to dry the biomass in the fed material storage device. The oil producing device is beneficial to sufficient biomass pyrolysis, and increases the yield of the biological oil by about 15%, heat can be recycled and air pollution is reduced.

The invention provides a rotary household garbage low-temperature pyrolyzing furnace. A pyrolyzing furnace body of the pyrolyzing furnace is provided with a garbage feed port and a smoke outlet. The upper end of an ash hopper is connected to a bottom plate of the pyrolyzing furnace body. The lower end of the ash hopper is connected with an automatic ash discharge plate valve. The automatic ash discharge plate valve is connected with the bottom end of the ash hopper. A bottom plate of a pyrolyzing cone is welded and fixed to an axial upper circular ring of a bearing rotary disk. A stirring device is fixedly connected to the outer surface of the pyrolyzing cone. An air distribution device is fixedly connected to the pyrolyzing cone. The axial upper circular ring of the bearing rotary disk iswelded and fixed to a bottom circular ring of the pyrolyzing cone. An axial lower circular ring of the bearing rotary disk is welded and fixed to the bottom plate of the pyrolyzing furnace body. A driving device is matched with a radial gear ring of the bearing rotary disk. Ash scraping plates are fixedly connected to the outer surface of the pyrolyzing cone. Lifting lugs are firmly welded to thepyrolyzing furnace body. An air valve is fixed to the lower surface of a middle bottom plate of the pyrolyzing furnace body. A probe of a furnace body thermometer extends into a cavity. The pyrolyzing furnace has the advantages that a garbage layer in the furnace is adjustable, garbage is pyrolyzed uniformly, and the service life of equipment is prolonged.

The invention discloses an oily sludge treatment method, and relates to the technical field of garbage treatment. The treatment method includes the steps: controlling a first push device to close a feed bin gate; feeding and deoxidizing materials, controlling the first push device to open the feed bin gate, and conveying the deoxidized materials to a main microwave pyrolysis furnace by a materialconveying belt; controlling a third push device to close a main furnace door of the main microwave pyrolysis furnace; performing temperature control cycling pyrolysis treatment in the main microwave pyrolysis furnace, and conveying the materials after temperature control cycling pyrolysis treatment to an auxiliary microwave pyrolysis furnace by the material conveying belt; performing secondary pyrolysis treatment in the auxiliary microwave pyrolysis furnace, and conveying residues after secondary pyrolysis treatment to a discharging device by the material conveying belt. The oily sludge treatment method has the advantages that the materials in the microwave pyrolysis furnaces are uniformly heated and pyrolyzed, and pyrolysis efficiency is high.

Provided is an adjustable air-coal step-by-step mixed combustion device. The device comprises a central air pipe, a primary air pipe, a rotational flow inner secondary air pipe, and a direct flow outer secondary air pipe which are sequentially arranged from inside to outside. Pre-combustion chambers are arranged at the tails of the air pipes in the airflow direction, and tertiary air pipes are arranged outside the pre-combustion chambers. An annular air flow channel between the primary air pipe and the rotational flow inner secondary air pipe is provided with an air-coal mixing first-stage regulator, and the primary air pipe is sleeved by the air-coal mixing first-stage regulator. An annular air flow channel between the rotational flow inner secondary air pipe and the direct flow outer secondary air pipe is provided with an air-coal mixing second-stage regulator of the same structure as the air-coal mixing first-stage regulator. By controlling the mixing time and the mixing position ofprimary air carrying pulverized coal, rotational flow inner secondary air, and direct flow outer secondary air, stable combustion of the pulverized coal is guaranteed, the production of NOx is remarkably reduced, and the coal type adaptive capacity of the combustion device is improved.

The invention discloses a novel discharging and stirring system of a vertical pyrolyzing furnace, belonging to the field of chemical equipment. The novel discharging and stirring system comprises a compaction mechanism, a stirring mechanism and a discharging mechanism which are sequentially arranged in a furnace body from top to bottom, wherein the compaction mechanism has compaction and flattening effects on materials in a compaction area of the compaction mechanism, can effectively prevent the materials in the furnace from being loosely distributed, and guarantees that the inner volume of the furnace is fully utilized; the stirring mechanism can play a role in stirring materials in the furnace to ensure uniform pyrolysis of the raw materials, and can also prevent the furnace from slagging to ensure normal operation of the system; and the discharging mechanism is used for uniformly discharging materials from the inside of the furnace to the outside during discharging, promotes uniformperforming of the pyrolysis process, does not have a discharging function when discharging is not carried out and can be matched with the stirring mechanism to form a double-stirring effect. In addition, a plurality of discharging openings are evenly distributed in the base of the furnace body, and discharging can be guaranteed to be timely and stable. Therefore, the problems that an existing pyrolyzing furnace is uneven in discharging and pyrolyzing, slagging occurs to the pyrolyzing furnace, small-density raw materials are distributed loosely in the pyrolyzing furnace and the like in the prior art are solved; and the practicability of the system is high.

The invention discloses a trigonometric circle forming die barrel and relates to the trigonometric circle forming die barrel which is used for extracting a main component of an insecticidal plant pesticide from a plant, as a prophase product of wood vinegar plant acid, and processing and forming raw materials in production and extraction processes of mother solution wood tar. The trigonometric circle forming die barrel is provided with a ring flange with the outer diameter of 0.15 meter and the thickness of 0.03 meter; a circular die barrel body with the length of 0.45 meter and the outer diameter of 0.09 meter is vertically linked to the middle part of one plane of the ring flange; a through hole with a trigonometric circle modeling is formed in the middle part of the die barrel body; the depth of the through hole is 0.48 meter, and the inner diameter of the through hole is 0.04 to 0.05 meter; according to a trigonometric circle forming die barrel device, rod bodies with identical and regular shapes can be formed by a raw material body formed by the trigonometric circle forming die barrel; after the rod body raw materials are loaded into an extraction tank, identical gaps can be formed in all the rod bodies.

The invention belongs to the technical field of diesel exhaust aftertreatment, and relates to a novel detachable swirling vehicle SCR mixer and nozzle coupling device. The device comprises a casing. Front and rear flange plates are respectively disposed on two ends of the casing, and a swirling mixer is disposed in the casing. The mixer is designed in a hollow manner and is fixedly connected to the casing. A front flange plate connection port is an air inlet of the device, and a rear flange plate connection port is an air outlet of the device. A urea conveying elbow is arranged between the airinlet and the mixer, and the elbow is connected to the mixer. A urea nozzle is arranged on the rear of the mixer, and a casing section of the urea nozzle is in tapered design. The coupling device isbeneficial to urea pyrolysis, can effectively solve problems of urea cracking, urea crystallization and ammonia distribution uniformity, and the device is convenient to disassemble, and is convenientfor daily maintenance and repair.

The invention discloses a pentagonal forming die barrel. The pentagonal forming die barrel is used for extracting a main component as a prophase product of wood vinegar plant acid of an insecticidal plant pesticide from a plant, and processing and forming raw materials extracted from mother liquid wood tar production. The pentagonal forming die barrel is provided with a ring flange with the outer diameter of 0.2 meter and the thickness of 0.035 meter; a circular cylinder body with the length of 0.4 meter and the outer diameter of 0.12 meter is vertically linked to the middle of a plane of the pentagonal forming die barrel; identical pentagonal through holes are separately formed in the middle of the ring flange and the middle of the circular cylinder body; the depth of each through hole is 0.435 meter, and the inner diameter of each through hole is 0.055 to 0.065 meter; according to the formed pentagonal forming die barrel device, rod bodies with identical and regular shapes can be formed by a raw material body formed by the pentagonal forming die barrel; and after rod body raw materials are loaded into an extraction tank, identical gaps can be formed in all the rod bodies.