CN211164441U

CN211164441U - Double-layer carbonization roller

Info

Publication number: CN211164441U
Application number: CN201922062154.4U
Authority: CN
Inventors: 罗刚银; 薛艳芬; 赵高威; 董鸣彦
Original assignee: Zhengzhou Dingli New Energy Equipment Co ltd
Current assignee: Zhengzhou Dingli New Energy Equipment Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-04
Anticipated expiration: 2029-11-26

Abstract

The utility model provides a double-deck carbonization cylinder has solved traditional carbide furnace production process can not go on in succession, the problem of exhaust fume polluted environment. The utility model comprises an inner cylinder rotating clockwise and an outer cylinder rotating anticlockwise and arranged on the inner cylinder in a sealing way, and a material reverse backflow space is arranged between the inner cylinder and the outer cylinder; the inner wall of the inner barrel is provided with lifting blades II which are spirally arranged clockwise, the inner wall of the outer barrel is provided with lifting blades I which are spirally arranged anticlockwise, the inner barrel and the outer barrel are rotatably arranged on the bottom support, the rear barrel wall of the inner barrel is provided with a plurality of discharge holes communicated with the material reverse backflow space, the middle part of the bottom support is provided with a burner for heating the barrel wall of the outer barrel, the front part of the outer barrel is provided with a double-layer rotating ring, the top of the double-layer rotating ring is provided with an exhaust port communicated with the material reverse backflow space, and the bottom of the double-layer rotating ring is provided with a discharge port; the exhaust port is communicated with the gas supply pipeline of the burner.

Description

Double-layer carbonization roller

Technical Field

The utility model relates to a biomass such as carbonaceous wooden materials (the volume is graininess under 15 mm) such as coconut husk, apricot shell, flax stalk, sawdust, saw-dust, rice husk, bamboo, eucalyptus, fungus sediment, dregs of a decoction, furfural sediment, coffee sediment, palm shell, peanut shell, walnut shell, sunflower seed shell dry distillation, carbonization treatment technical field under high temperature anaerobic state especially indicates double-deck carbonization cylinder.

Background

As a big agricultural country, China produces more than 7 hundred million tons of various agricultural straws every year, most of the agricultural straws are paid to one year due to the lack of advanced, economic and efficient industrialized technologies, and the agricultural straws are not turned into wealth but become an important incentive of severe seasonal haze; a great amount of palm shells, coconut shells and fruit shells are abandoned in countries in southeast Asia for a long time; the rising cost of coal in many european countries, including the united kingdom, the netherlands, and italy, is at a premium; every year, a large number of suppliers in China and regions such as China, south-east Asia, Taiwan and the like are available to search for charcoal resources, and the existing charcoal production capacity of China cannot meet the existing market demand at all.

The environment-friendly charcoal is used as a waste renewable energy fuel, has higher calorific value than that of coal, is smokeless, tasteless, nontoxic, clean and sanitary, has wide application, and has great demand in industries such as industry, agriculture, animal husbandry, civil use and the like. The industrial application of the environment-friendly charcoal reaches hundreds of industries, and is the first major industry of charcoal requirements, and the industrial charcoal is mainly and intensively used for blending and using charcoal of industrial materials, metallurgy and carburizing charcoal of chemical industry; the raw material is a necessary raw material for the production of active carbon, silicon carbide, crystalline silicon and heat-insulating materials and industries such as smelting plants, copper processing plants, steel plants, rubber plants, carbon disulfide plants, mosquito-repellent incense plants, explosive plants, casting plants and the like, and can replace coal or heavy oil fired steam boilers; the contribution of the environment-friendly charcoal to agriculture and animal husbandry production mainly improves the ground temperature, improves the soil, keeps the soil moisture, improves the soil acidity and alkalinity and is used as a release agent of organic fertilizer, and the environment-friendly charcoal has better market in the fields of agriculture and animal husbandry at home and abroad; the life field is as follows: people commonly use environment-friendly charcoal for heating, barbecue, hot pot fuel, parching tea leaves in the south, drying tobacco leaves and the like, and in addition, the charcoal also has the functions of regulating the air temperature and humidity of a room, eliminating harmful gases and the like, and becomes a necessary product in the living field of people. The traditional carbonization furnace has serious problem of environmental pollution while converting waste resources into economic advantages, and the production process can not be continuously carried out, so as to protect living environment and meet the requirement of environmental protection,

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the production process of the traditional carbonization furnace can not be continuously carried out and the environment is polluted by waste smoke in the background technology, the utility model provides a double-layer carbonization roller.

The technical scheme of the utility model is that: the double-layer carbonization roller comprises an inner cylinder rotating clockwise and an outer cylinder rotating anticlockwise and hermetically on the inner cylinder, and a material reverse backflow space is arranged between the inner cylinder and the outer cylinder; the inner wall of the inner barrel is provided with lifting blades II which are spirally arranged clockwise, the inner wall of the outer barrel is provided with lifting blades I which are spirally arranged anticlockwise, the inner barrel and the outer barrel are rotatably arranged on the bottom support, the rear barrel wall of the inner barrel is provided with a plurality of discharge holes communicated with the material reverse backflow space, the middle part of the bottom support is provided with a burner for heating the barrel wall of the outer barrel, the front part of the outer barrel is provided with a double-layer rotating ring, the top of the double-layer rotating ring is provided with an exhaust port communicated with the material reverse backflow space, and the bottom of the double-layer rotating ring is provided with a discharge port; the exhaust port is communicated with the gas supply pipeline of the burner.

The rotary joint of the inner cylinder and the outer cylinder is provided with a bearing, and the inner side of the bearing is provided with a sealing plate for sealing.

And a heat insulation layer is arranged outside the outer barrel.

The heat-insulating layer is made of a steel plate lining aluminum silicate plate structure.

The double-layer rotating ring comprises an outer ring and an inner ring, the inner ring is fixedly sleeved on the outer cylinder, the outer cylinder and the inner ring are provided with annular notches which correspond to each other up and down, the inner side of the outer ring is annularly provided with at least two rotating connectors, and the outer ring is rotatably connected with the inner ring through the rotating connectors; the top of the outer ring is provided with an exhaust port communicated with the annular notch, the bottom of the outer ring is provided with a discharge port communicated with the annular notch, and the outer ring is fixedly arranged on the bottom bracket; and side plates for sealing are fixedly arranged on two sides of the outer ring, and the side plates are in sliding contact with the side surfaces of the inner ring.

The rotary connector comprises a straight rod, the upper end of the straight rod is fixedly connected with the outer ring, two arc-shaped sliding plates are arranged at the lower part of the straight rod, and the two arc-shaped sliding plates are respectively arranged on the inner side and the outer side of the cylinder wall of the outer cylinder in a sliding mode.

The front part of the inner barrel is provided with a driving gear ring I for driving rotation, the rear end of the outer barrel is connected with a rotating shaft, a driving gear ring II is arranged on the rotating shaft, and the rotating shaft is rotatably arranged on the bottom support.

And a temperature monitor for monitoring the temperature is arranged at the rear part of the inner barrel.

The utility model has the advantages that: the utility model adopts a double-layer structure, the inner cylinder is mainly used for dehydrating materials, the outer cylinder is mainly used for carbonizing materials, and the double-layer roller lengthens the advancing distance of material carbonization, thereby not only improving the yield, but also improving the carbonization quality of materials; the heat-insulating layer adopts a structure that the aluminum silicate plate is lined in the steel plate, and the length of the heat-insulating layer is increased, so that the heat generated by the combustor can be better utilized; the burners are arranged in a double-row mode at the bottom of the roller along the axis of the roller, the roller is uniformly heated, and the difference of the carbonization degrees of materials is avoided. The adjustment of the production process is that a temperature monitor is arranged at the rear end position of the double-layer carbonization roller, and the internal temperature of the double-layer carbonization roller can be monitored according to the temperature monitor. When the temperature is too high, the speed of feeding and discharging carbon can be increased by increasing the rotating speed of the roller, a shunt pipeline valve on a gas pipeline connected with the exhaust port can be opened, a valve on a main gas pipeline is properly closed, and the heat supply of the combustor is reduced; when the carbonization roller temperature is too low, through reducing the rotational speed of carbonization roller, fully with the living beings granule carbonization, promote the temperature of roller through improving combustible gas output.

The process and the equipment have the advantages that: 1. the production efficiency is high. Compared with the traditional intermittent carbonization device, the utility model discloses a continuous incessant production can be realized to the carbonization technology of double-deck cylinder structure, reduces the human input, increases substantially output. 2. The production cost is low. The traditional carbonization device needs to be heated by external fuel to increase the temperature so as to achieve the purpose of biomass carbonization. When the carbonization device of the utility model starts to work, the combustible gas generated by the gasification furnace is used for combustion and heating; after the carbonization roller starts to work, combustible gas generated in the carbonization process can be used for combustion after being purified and cooled, and heat required by the carbonization process is provided for the carbonization roller, so that the continuous carbonization circulation process is realized. 3. The carbonization process is easy to control. In the traditional carbonizing machine, the carbonizing process is difficult to control visually, so that the quality of the produced products is uneven. The continuous carbonizing machine of our company can effectively adjust the processes of feeding, heating, discharging, combustible gas supply and the like in production at any time according to the temperature display of the temperature monitor and the carbonization degree of the produced product, and can easily produce the product meeting the requirements. 4. The application range is wide. The double-layer roller structure can dry and dehydrate the biomass materials firstly and then carbonize the biomass materials, and can also carbonize the biomass materials with higher water content.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a bottom view of FIG. 1;

fig. 3 is a schematic structural diagram of the double-layer swivel shown in fig. 1.

In the figure, 1, bottom support, 2, inner tube, 201, discharge opening, 3, outer tube, 4, feeder, 5, support race area, 6, drive ring gear I, 7, gas vent, 8, discharge gate, 9, heat preservation, 10, drive ring gear II, 11, combustor, 12, lifting blade I, 13, lifting blade II, 14, outer loop, 15, inner loop, 16, rotation connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

Example 1: the double-layer carbonization roller comprises an inner cylinder 2 rotating clockwise and an outer cylinder 3 arranged on the inner cylinder 2 in a sealing and rotating anticlockwise manner as shown in figures 1 and 2, wherein a material reverse backflow space is arranged between the inner cylinder 2 and the outer cylinder 3; the rotary joint of the inner cylinder 2 and the outer cylinder 3 is provided with a bearing, and the inner side of the bearing is provided with a sealing plate for sealing. The outer part of the outer barrel 3 is provided with a heat-insulating layer 9, and the heat-insulating layer 9 is a steel plate lining aluminum silicate plate structure. The front part of the inner cylinder 2 is provided with a driving gear ring I6 for driving rotation, the rear end of the outer cylinder 3 is connected with a rotating shaft, the rotating shaft is provided with a driving gear ring II10, and the rotating shaft is rotatably arranged on the bottom bracket 1. The rear part of the inner barrel 2 is provided with a temperature monitor for monitoring temperature. Be equipped with clockwise helical arrangement's lifting blade II13 on the inner wall of inner tube 2, be equipped with anticlockwise helical arrangement's lifting blade I12 on the inner wall of urceolus 3, inner tube 2 and urceolus 3 rotate and establish on bottom support 1, be equipped with the discharge opening 201 of a plurality of and the reverse backward flow space intercommunication of material on the rear portion section of thick bamboo wall of inner tube 2, the middle part of bottom support 1 is equipped with the combustor 11 that is used for the section of thick bamboo wall heating to urceolus 3, the front portion of urceolus 3 is equipped with double-deck change, the top of double-deck change is equipped with the exhaust port 7 with the reverse backward flow space intercommunication of material, the bottom of double-deck change is.

As shown in fig. 3, the double-layer swivel comprises an outer ring 14 and an inner ring 15, the inner ring 15 is fixedly sleeved on the outer cylinder 3, the outer cylinder 3 and the inner ring 15 are provided with annular notches corresponding to each other up and down, six rotary connectors 16 are annularly arranged on the inner side of the outer ring 14, and the outer ring 14 is rotatably connected with the inner ring 15 through the rotary connectors 16; the rotary connector 16 comprises a straight rod, the upper end of the straight rod is fixedly connected with the outer ring 14, the lower part of the straight rod is provided with two arc-shaped sliding plates, and the two arc-shaped sliding plates are respectively arranged on the inner side and the outer side of the cylinder wall of the outer cylinder 3 in a sliding manner. The top of the outer ring 14 is provided with a smoke outlet 7 communicated with the annular notch, the bottom of the outer ring 14 is provided with a discharge hole 8 communicated with the annular notch, and the outer ring 14 is fixedly arranged on the bottom bracket 1; side plates for sealing are fixedly arranged on two sides of the outer ring 14, and the side plates are in sliding contact with the side surfaces of the inner ring 15.

The utility model provides a novel smokeless, green, energy-efficient, high-automation-degree drum-type continuous carbonization process and equipment for biomass carbonization. The principle is that the biomass solid is heated to a certain temperature under the anaerobic or anoxic state and can be decomposed into substances such as combustible gas, tar, coke and the like, tar steam escapes along with the combustible gas, the corresponding carbon material is a required product, and the process is the carbonization process of the biomass. The utility model discloses based on the carbonization principle of living beings, utilize novel double-deck cylinder carbonization equipment to realize continuous stoving, the carbonization of living beings, and do not carry out the technology that pollutes to the environment.

The production steps are as follows: the double-layer carbonization roller equipment is provided with a gasification furnace or a fuel gas input device in front and is used for starting roller carbonization production. When the temperature of the outer layer of the roller is heated to 500-700 ℃, the biomass material enters the inner layer of the double-layer roller through the feeder, the temperature of the inner layer of the roller is lower than that of the outer layer, and the biomass material is firstly dried under the action of the high temperature of the inner layer of the roller to remove redundant moisture; the biomass material slowly flows backwards along the axis of the roller under the action of the inner barrel spiral and the fan, the rear section of the inner barrel is provided with a reticular strip hole, and the material enters the outer barrel through the strip holes; the temperature of the outer cylinder is controlled to be about 750 ℃, the biomass material generates carbonization under the high-temperature and oxygen-deficient action of the outer cylinder, the process lasts for 40-60 minutes, and combustible gases such as carbon monoxide, hydrogen, oxygen and the like can be generated besides carbon finished products; the material flows forwards along the axis through the spiral belt structure in the outer cylinder, the material is discharged at the end of the roller, the material leaves the carbonization roller and enters the water-cooling auger to be cooled, and the finished charcoal spontaneously combusts after oxygen is generated; the smoke generated in the carbonization process is discharged from an air outlet pipeline at the upper end of the end, and is conveyed to a burner at the lower end of the roller by a fan for burning after being washed and cooled so as to provide heat for the roller carbonization. So far, all production processes are finished, and the equipment enters a self-circulation production process.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Double-deck carbonization cylinder, its characterized in that: comprises an inner cylinder (2) rotating clockwise and an outer cylinder (3) rotating anticlockwise and arranged on the inner cylinder (2) in a sealing way, wherein a material reverse backflow space is arranged between the inner cylinder (2) and the outer cylinder (3); the inner wall of the inner barrel (2) is provided with lifting blades II (13) which are spirally arranged clockwise, the inner wall of the outer barrel (3) is provided with lifting blades I (12) which are spirally arranged anticlockwise, the inner barrel (2) and the outer barrel (3) are rotatably arranged on the bottom support (1), the rear barrel wall of the inner barrel (2) is provided with a plurality of discharge holes (201) which are communicated with the material reverse backflow space, the middle part of the bottom support (1) is provided with a burner (11) which is used for heating the barrel wall of the outer barrel (3), the front part of the outer barrel (3) is provided with a double-layer rotating ring, the top of the double-layer rotating ring is provided with an exhaust port (7) which is communicated with the material reverse backflow space, and the bottom of the double-layer; the exhaust port (7) is communicated with an air supply pipeline of the combustor (11).

2. The double-layered carbonization roller of claim 1, wherein: the rotary joint of the inner cylinder (2) and the outer cylinder (3) is provided with a bearing, and the inner side of the bearing is provided with a sealing plate for sealing.

3. The double-layered carbonization roller of claim 2, wherein: the outer part of the outer cylinder (3) is provided with a heat-insulating layer (9).

4. The double-layered carbonization roller of claim 3, wherein: the heat-insulating layer (9) is made of aluminum silicate plate with steel plate as a lining.

5. The double-layered carbonization roller of claim 4, wherein: the double-layer rotating ring comprises an outer ring (14) and an inner ring (15), the inner ring (15) is fixedly sleeved on the outer cylinder (3), annular notches which correspond to each other up and down are formed in the outer cylinder (3) and the inner ring (15), at least two rotating connectors (16) are arranged on the inner side of the outer ring (14) in the circumferential direction, and the outer ring (14) is rotatably connected with the inner ring (15) through the rotating connectors (16); the top of the outer ring (14) is provided with an exhaust port (7) communicated with the annular notch, the bottom of the outer ring (14) is provided with a discharge port (8) communicated with the annular notch, and the outer ring (14) is fixedly arranged on the bottom support (1); and side plates for sealing are fixedly arranged on two sides of the outer ring (14), and the side plates are in sliding contact with the side surfaces of the inner ring (15).

6. The double-layered carbonization roller of claim 5, wherein: the rotary connector (16) comprises a straight rod, the upper end of the straight rod is fixedly connected with the outer ring (14), two arc-shaped sliding plates are arranged at the lower part of the straight rod, and the two arc-shaped sliding plates are respectively arranged on the inner side and the outer side of the cylinder wall of the outer cylinder (3) in a sliding mode.

7. The double-layered carbonization roller of claim 6, wherein: the front part of the inner barrel (2) is provided with a driving gear ring I (6) for driving rotation, the rear end of the outer barrel (3) is connected with a rotating shaft, a driving gear ring II (10) is arranged on the rotating shaft, and the rotating shaft is rotatably arranged on the bottom support (1).

8. The double-layered carbonization roller of claim 7, wherein: the rear part of the inner barrel (2) is provided with a temperature monitor for monitoring temperature.