CN211546416U

CN211546416U - Anaerobic cracking device

Info

Publication number: CN211546416U
Application number: CN201921866401.XU
Authority: CN
Inventors: 熊金云; 解付兵; 刘宜德
Original assignee: Shenzhen Yuepeng Environmental Protection Technology Co Ltd; Hunan Jingyi Xiangtai Environmental Protection High Tech Development Co Ltd
Current assignee: Shenzhen Yuepeng Environmental Protection Technology Co Ltd; Hunan Jingyi Xiangtai Environmental Protection High Tech Development Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-09-22
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses an anaerobic cracking device, which comprises a main bin, a material pushing device, a driving mechanism and a frame, wherein the main bin comprises an outer cylinder, the material pushing device is arranged in the outer cylinder, a main shaft is arranged in the middle of the material pushing device, the outer surface of the main shaft is provided with a material pushing paddle, the main shaft is connected with the driving mechanism, the main bin is sequentially provided with a 200-degree region, a 300-degree region, a 450-degree region, a 600-degree region and a 900-degree region according to the heating temperature, the outer surface of the main bin is provided with a heat insulation cover, the interior of the heat insulation cover corresponds; monitoring points are respectively arranged on the inner walls of the main bins of the five regions, and each monitoring point is provided with a monitoring device for temperature, air pressure and oxygen content; five heating systems are correspondingly arranged in the five areas; a waste material inlet is formed in the side wall of the main bin; a water vapor discharge port, a low fuel gas discharge port, a high fuel gas discharge port, a carbon monoxide discharge port and a water vapor inlet are sequentially arranged above the corresponding five areas of the main bin; the lower side wall of the main bin is provided with a waste residue outlet.

Description

Anaerobic cracking device

Technical Field

The utility model belongs to the technical field of the solid waste cracker, especially, relate to an anaerobic cracking device.

Background

Along with the rapid development of economy and the acceleration of urbanization process in China, the generation amount and accumulation amount of urban domestic garbage in China are increased year by year. The daily garbage yield of per capita is close to the level of the moderately developed industrial countries. And is on an increasingly faster trend. The municipal solid waste treatment mode in China is mainly landfill and incineration, the landfill method always occupies a large proportion, not only occupies a large amount of land resources, but also the waste after low-level landfill can permeate harmful and toxic sewage into the ground from the ground surface and ferment to generate a large amount of harmful gas for discharge, which substantially only transfers the pollution problem in front of the scene to space and time; the proportion of incineration power generation treatment methods is gradually increased, but the method has the greatest defects that harmful gases such as dioxin and the like and dust are generated, the risk of polluting the environment again exists, meanwhile, the investment in the early stage and the post-treatment is large, the environmental protection monitoring difficulty is large, the investment recovery period is long, and the subsidy burden of national policies is heavy.

The anaerobic cracking device is a complex chemical reaction process for catalytically heating and decomposing organic solid wastes under the condition of completely no air (without oxygen). Because organic matter components in the organic solid waste are complex, an anaerobic cracking device is needed to realize the decomposition of the organic solid waste through accurate control, rapidness and high efficiency, and the reutilization of the organic solid waste is realized.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide an anaerobic cracking apparatus, which uses electric heating start-up and regenerated gas as heat source gas and combines with external heating of a certain limit, so that the temperature and the temperature rise speed of the cracking furnace can meet the process design requirements, and all organic substances in the garbage can be rapidly and efficiently decomposed into gas, biochar and partial liquid compounds. Various solid waste garbage in cities can be directly treated without fine sorting, and new resource materials such as hot gas, micro-nano carbon and the like can be converted; the hot gas can meet the requirements of enterprises for self use and output for heating, power generation of a turbine and the like, and the micro-nano carbon can be used as a core raw material for water and air treatment, production, improvement and soil remediation to continuously exert new resource effects.

The utility model provides an anaerobic cracking device, including main storehouse, blevile of push, actuating mechanism and frame, the main storehouse is fixed to be set up in the frame, the main storehouse includes the urceolus, be equipped with blevile of push in the urceolus, install the main shaft in the middle of the blevile of push, the surface of main shaft is provided with pushes away the material oar piece, the main shaft is connected with actuating mechanism, the main storehouse has set gradually 200 degrees regions, 300 degrees regions, 450 degrees regions, 600 degrees regions and 900 degrees regions according to heating temperature, the surface of main storehouse is provided with thermal-insulated heat preservation cover, the inside of thermal-insulated heat preservation cover corresponds five regions are provided with the division board, the division board is used for preventing the temperature cluster of five regions; monitoring points are respectively arranged on the inner walls of the main bins of the five regions, and each monitoring point is provided with a monitoring device for temperature, air pressure and oxygen content; five heating systems are correspondingly arranged on the outer walls of the main bins of the five regions; a waste material inlet is formed in the side wall of one end, close to the driving mechanism, of the main bin; a water vapor discharge port, a low fuel gas discharge port, a high fuel gas discharge port, a carbon monoxide discharge port and a water vapor inlet are sequentially arranged above the corresponding five areas of the main bin; the lower side wall of the main bin is provided with a waste residue outlet, and the waste residue outlet is arranged below the 900-degree region.

Preferably, the monitoring device comprises a cracking temperature PLC (programmable logic controller) point, an oxygen control head and a thermocouple.

Preferably, the five heating systems are heating belts or heating blocks uniformly wound on the outer side of the main bin.

Preferably, one end of the isolation plate is connected with the outer wall of the main bin, and the other end of the isolation plate is connected with the heat insulation cover.

Preferably, a feed hopper is arranged above the waste inlet.

Preferably, the pushing paddle is arranged in a spiral manner, and the length of the pushing paddle is matched with that of the main bin.

Preferably, a waste residue box is correspondingly arranged below the waste residue outlet.

Preferably, the driving mechanism comprises a variable frequency motor arranged on the rack and a coupler, one end of the coupler is connected with an output shaft of the variable frequency motor, and the other end of the coupler is connected with the main shaft.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the anaerobic cracking device of the present invention;

FIG. 2 is a front view of the anaerobic cracking unit in the embodiment of FIG. 1;

FIG. 3 is a top view of the anaerobic cracking unit of the embodiment of FIG. 1;

FIG. 4 is a left side view of the anaerobic cracking unit of the embodiment of FIG. 1;

the device comprises a main bin, an outer barrel, five areas (12-five areas, 12a-200 degrees area, 12b-300 degrees area, 12c-450 degrees area, 12d-600 degrees area, 12e-900 degrees area, 13-isolation heat preservation cover, 14 a-steam discharge port, 14 b-low gas discharge port, 14 c-high combustion gas discharge port, 14 d-carbon monoxide discharge port, 14 e-steam discharge port, 15-waste residue outlet, 16-monitoring device, 17-waste material inlet, 18-feed hopper, 19-isolation plate, 2-material pushing device, 21-main shaft, 22-material pushing blade, 3-driving mechanism, 4-frame and 5-heating system, wherein the main bin is arranged at the bottom of the main bin;

Detailed Description

The utility model provides an anaerobic cracking device, which is shown in figures 1 to 4 and comprises a main bin 1, a material pushing device 2, a driving mechanism 3 and a frame 4, the main bin 1 is fixedly arranged on the frame 4, the main bin 1 comprises an outer cylinder 11, a material pushing device 2 is arranged in the outer cylinder 11, a main shaft 21 is arranged in the middle of the material pushing device 2, a material pushing blade 22 is arranged on the outer surface of the main shaft 21, the main shaft 21 is connected with a driving mechanism 3, the main bin 1 is provided with five regions of a 200-degree region 12a, a 300-degree region 12b, a 450-degree region 12c, a 600-degree region 12d and a 900-degree region 12e according to heating temperature in sequence, the outer surface of the main bin 1 is provided with a heat insulation cover 13, the interior of the heat insulation cover 13 is provided with partition boards 19 corresponding to the five regions 12, and the partition boards 19 are used for preventing the five regions 12 from temperature cross; monitoring points are respectively arranged on the inner walls of the main bins 1 of the five regions 12, and each monitoring point is provided with a monitoring device 16 for temperature, air pressure and oxygen content; five heating systems 5 are correspondingly arranged on the outer wall 1 of the main bin of the five regions 12; a waste material inlet 17 is formed in the side wall of one end, close to the driving mechanism 3, of the main bin 1; a water vapor discharge port 14a, a low fuel gas discharge port 14b, a high fuel gas discharge port 14c, a carbon monoxide discharge port 14d and a water vapor discharge port 14e are sequentially arranged above the five regions 12 of the main bin 1; and a waste residue outlet 15 is formed in the side wall below the main bin 1. In this embodiment, the rack 4 is used to provide a fixed mounting position for the main bin 1, the pushing device 2 and the driving mechanism 3, and the material of the main bin 1 and the pushing device 2 is imported high temperature resistant material SUS310S, which has a highest temperature resistance degree of more than 1100 ℃. Main 1 storehouse is cylindrical setting, and the wall thickness is 10mm, and the biggest external diameter is 180mm for D, and this size can safe and reliable decompose, can not appear frying the chamber phenomenon. The total length of the main bin 1 is 1400mm, the main bin is uniformly divided into 5 areas 12, the 5 areas 12 are set at different heating temperatures, the main bin is divided into a 200-degree area 12a, a 300-degree area 12b, a 450-degree area 12c, a 600-degree area 12d and a 900-degree area 12e from a waste inlet 17 to a waste residue outlet 15 in sequence, and the pushing blades 22 are mainly responsible for pushing organic solid waste to be cracked to each cracking temperature interval. The concentricity requirement of the main shaft 21 and the output shaft of the driving mechanism 3 is within 0.05mm, so that the smooth and stable operation of the equipment is ensured; the main shaft 21 of the pushing device 2 is driven to rotate by the driving mechanism 3, the pushing paddle 22 rotates to convey the organic solid waste, and finally the residue is directly discharged from the waste residue outlet 15 by the pushing paddle 22 when the organic solid waste reaches the 900-degree region. In the present embodiment, during the cracking process, the high temperature 200 degree region 12a discharges water vapor through the water vapor discharge port 14a, the high temperature 300 degree region 12b discharges low-fuel gas through the low-fuel gas discharge port 14b, the high temperature 450 degree region 12c discharges high-fuel gas through the high-fuel gas discharge port 14c, the high temperature 600 degree region 12c discharges carbon monoxide through the carbon monoxide discharge port 14d, the water vapor inlet 14e is used for receiving external water vapor, and the external water vapor can be injected into the main bin 1 to react with the residue in the high temperature 900 degree region 12e, so that the residue recovery is more smooth. In another embodiment of the present invention, the thermal insulation cover 13 of the anaerobic cracking device is wrapped with thermal insulation cotton to prevent the thermal energy generated by cracking from being lost easily, thereby reducing energy consumption.

Further, monitoring devices 16 include cracking temperature PLC point of getting, oxygen accuse head, thermocouple, can realize the accurate control to equipment. In this embodiment, the oxygen control head is used for monitoring whether the oxygen-free requirement is met in the charging barrel, so that the equipment is safer to produce. The thermocouple is the temperature setting and monitoring of each stage of accurate control cracker, gets some automatic control electric heat supply through cracking temperature PLC, has bigger additional action to the whole effect of schizolysis.

Further, the five heating systems 5 are heating belts or heating blocks which are uniformly wound on the outer side of the main bin.

Furthermore, one end of the isolation plate 19 is connected with the outer wall of the main bin 1, and the other end is connected with the heat insulation cover 13.

Further, a feed hopper is arranged above the waste inlet 17.

Further, the pushing paddle 22 is arranged spirally, and the length of the pushing paddle 22 is matched with that of the main bin 1.

Further, a waste residue box is correspondingly arranged below the waste residue outlet 15.

Further, the driving mechanism 3 comprises a variable frequency motor arranged on the rack and a coupler, one end of the coupler is connected with an output shaft of the variable frequency motor, and the other end of the coupler is connected with the main shaft.

The utility model discloses an anaerobic cracking device utilizes the electric heat to start and adds the external heating of regenerated gas as heat source gas and compound certain limit for cracking furnace temperature and programming rate reach the process design requirement, thereby can decompose into gas, biological charcoal and partial liquid compound with all organic materials in the rubbish high-efficiently fast. Various solid waste garbage in cities can be directly treated without fine sorting, and new resource materials such as hot gas, micro-nano carbon and the like can be converted; the hot gas can meet the requirements of enterprises for self use and output for heating, power generation of a turbine and the like, and the micro-nano carbon can be used as a core raw material for water and air treatment, production, improvement and soil remediation to continuously exert new resource effects.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The anaerobic cracking device is characterized by comprising a main bin (1), a material pushing device (2), a driving mechanism (3) and a rack (4), wherein the main bin (1) is fixedly arranged on the rack (4), the main bin (1) comprises an outer barrel (11), the material pushing device (2) is arranged in the outer barrel (11), a main shaft (21) is installed in the middle of the material pushing device (2), a material pushing paddle (22) is arranged on the outer surface of the main shaft (21), the main shaft (21) is connected with the driving mechanism (3), the main bin (1) is sequentially provided with five regions, namely a 200-degree region (12a), a 300-degree region (12b), a 450-degree region (12c), a 600-degree region (12d) and a 900-degree region (12e) according to heating temperature, the outer surface of the main bin (1) is provided with a heat insulation cover (13), the interior of the heat insulation cover (13) is provided with an isolation plate (19) corresponding to the five regions (12), the isolation plate (19) is used for preventing the five areas from temperature cross;

monitoring points are respectively arranged on the inner walls of the main bins (1) of the five regions, and each monitoring point is provided with a monitoring device (16) for temperature, air pressure and oxygen content; five heating systems (5) are correspondingly arranged on the outer wall of the main bin (1) of the five regions (12); a waste material inlet (17) is formed in the side wall of one end, close to the driving mechanism (3), of the main bin (1);

a water vapor discharge port (14a), a low fuel gas discharge port (14b), a high fuel gas discharge port (14c), a carbon monoxide exhaust port (14d) and a water vapor inlet (14e) are sequentially arranged above five corresponding regions of the main bin (1); the lower side wall of the main bin (1) is provided with a waste residue outlet (15), and the waste residue outlet (15) is arranged below the 900-degree area (12 e).

2. The anaerobic cracking apparatus of claim 1, characterized in that the monitoring device (16) comprises a cracking temperature PLC point, an oxygen control head, and a thermocouple.

3. The anaerobic cracking apparatus according to claim 1, characterized in that the five heating systems (5) are heating belts or heating blocks uniformly wound outside the main bin (1).

4. The anaerobic cracking device according to claim 1, characterized in that one end of the partition plate (19) is connected with the outer wall of the main bin (1), and the other end is connected with the heat insulation cover (13).

5. Anaerobic cracking device according to claim 1, characterized in that a feed hopper (18) is arranged above the waste inlet (17).

6. The anaerobic cracking device according to claim 1, characterized in that the pushing paddle (22) is arranged spirally, and the length of the pushing paddle (22) is matched with the length of the main bin (1).

7. The anaerobic cracking device according to claim 1, characterized in that a waste residue box is correspondingly arranged below the waste residue outlet (15).

8. The anaerobic cracking device according to claim 1, characterized in that the driving mechanism (3) comprises a variable frequency motor arranged on the frame (4) and a coupling with one end connected with the output shaft of the variable frequency motor, and the other end of the coupling is connected with the main shaft (21).