CN215924868U - Large-scale energy pyrolysis constant-pressure gasification furnace - Google Patents
Large-scale energy pyrolysis constant-pressure gasification furnace Download PDFInfo
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- CN215924868U CN215924868U CN202122549456.1U CN202122549456U CN215924868U CN 215924868 U CN215924868 U CN 215924868U CN 202122549456 U CN202122549456 U CN 202122549456U CN 215924868 U CN215924868 U CN 215924868U
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Abstract
The utility model discloses a large-scale energy pyrolysis constant-pressure gasification furnace which comprises a spiral feeder, a lifting feeder, a material distribution bin, a middle material bin, a primary jacket, a secondary jacket, a tertiary jacket, an ash tray and a plurality of upright columns, wherein the primary jacket, the secondary jacket and the tertiary jacket are sequentially fixed, the outer side of the primary jacket is provided with the upright columns through bolts, the spiral feeder is fixed on one side outside the primary jacket, the spiral feeder is communicated with the interior of the lifting feeder, a conveying belt is driven between the top of the lifting feeder and the material distribution bin, the material distribution bin is divided into a left material bin and a right material bin, the top of the material distribution bin is fixedly provided with a steering valve through bolts, a second rolling feeding valve is respectively fixed between the bottom of the material distribution bin and the corresponding middle material bin, and one side of the middle material bin is provided with the spiral feeder through bolts. Has the advantages that: the downdraft carbon gas co-production of the fixed bed is adopted, vertical feeding is carried out, hydraulic reciprocating type slag discharging is carried out, automatic ash removal is carried out, the tar content is low, and the gas production is stable.
Description
Technical Field
The utility model relates to the technical field of energy utilization, in particular to a large-scale energy pyrolysis constant-pressure gasification furnace.
Background
Corresponding to the call of new energy development and utilization in China, the market has a plurality of potential garbage energy sources such as carbon-containing sludge, shale, inferior coal, various biomasses and the like, and a large energy pyrolysis constant-pressure gasification furnace is urgently needed for the decomposition and utilization of the substances.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a large energy pyrolysis constant-pressure gasification furnace to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a large-scale energy pyrolysis constant voltage gasifier, includes spiral feeder, promotion feeder, branch feed bin, middle part feed bin, one-level jacket, second grade jacket, tertiary jacket, ash tray and stand, it is fixed in proper order between one-level jacket, second grade jacket and the tertiary jacket, there is the stand in the one-level jacket outside through the bolt, the stand is a plurality of, spiral feeder fixes in one-level jacket outer one side, spiral feeder and the inside of promotion feeder are linked together, the drive has conveyer between promotion feeder top and the branch feed bin, divide the feed bin to control two, divide the feed bin top to have a diverter valve through the bolt fastening, divide the feed bin bottom and be fixed with the second roll charge valve respectively between the middle part feed bin that corresponds, spiral feeder is installed through the bolt in middle part feed bin one side.
Furthermore, a first rolling feed valve is fixed between the middle bin and the three-stage jacket, and a gas outlet is formed in one side of the top of the three-stage jacket.
Furthermore, the ash tray is arranged at the bottom of the primary jacket, a water-cooling grate is arranged on the ash tray, and the top of the water-cooling grate is arranged in the primary jacket.
Further, a steel ball slideway is arranged on the outer side of the bottom of the ash tray, and a blast port at the bottom of the furnace is arranged in the middle of the bottom of the ash tray.
Further, a furnace bottom three-way pipe is fixed at the bottom of the ash pan, and an annular water seal groove is arranged outside the furnace bottom three-way pipe.
Furthermore, an inner jacket water seal and an outer jacket water seal are fixed on the furnace bottom three-way pipe.
Compared with the prior art, the utility model has the following beneficial effects:
(1) it is rational in infrastructure: the downdraft carbon gas co-production of a fixed bed is adopted, vertical feeding is carried out, hydraulic reciprocating type slag discharging is carried out, automatic ash removal is carried out, the tar content is low, and gas production is stable;
(2) the automation degree is high: the control system adopts a PLC controller, is interconnected and interlocked, automatically eliminates potential safety hazards under the condition of faults, automatically induces linkage feeding and deslagging, is simple and easy to understand, is easy to operate, is attended by one person, and is safe and reliable;
(3) the furnace body is well protected: the furnace body adopts water circulation to cool, and the furnace temperature is stable and can continuously operate for 24 hours;
(4) the environmental protection advantage is obvious: ash content is lower than 1-1.5%, trace sulfur dioxide and carbon dioxide are zero-discharged, and the smoke concentration is lower than 30mg/m 3;
(5) the raw materials are wide: carbonaceous sludge, shale, low-grade coal, biomass such as straw, wood chips, rice hulls, palm shells, bagasse, and other agricultural and forestry waste can be used;
(6) the operation cost is low: the raw materials are wide and easy to obtain, the price is low, the gasification efficiency of the gasification furnace is high and can reach more than 80%, the failure rate of equipment is low, the secondary investment can be reduced, carbon, wood vinegar and the like can be obtained, and the income can be increased;
(7) high value-added by-products: the economic value of the byproducts of carbon, tar and wood vinegar is high;
(8) the investment is small, the return is fast: compared with other renewable energy sources, the comprehensive application of the biomass gasification system has smaller investment and faster return.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a large-scale energy pyrolysis constant-pressure gasification furnace according to an embodiment of the utility model.
Reference numerals:
1. a screw feeder; 2. water-cooling the grate; 3. lifting the feeder; 4. a first rolling charge valve; 5. a conveyor belt; 6. a steering valve; 7. a material distributing bin; 8. a second rolling feed valve; 9. a middle storage bin; 10. a screw feeder; 11. a gas outlet; 12. a third stage jacket; 13. a secondary jacket; 14. a primary jacket; 15. a column; 16. an ash tray; 17. a steel ball slideway; 18. a furnace bottom tuyere; 19. the inner jacket is sealed with water; 20. an annular water seal tank; 21. water seal of the outer jacket; 22. a furnace bottom three-way pipe.
Detailed Description
The following, with reference to the drawings and the detailed description, further description of the present invention is made:
referring to fig. 1, the large-scale energy pyrolysis constant-pressure gasification furnace according to the embodiment of the utility model comprises a spiral feeder 1, a lifting feeder 3, a material distribution bin 7, a middle bin 9, a primary jacket 14, a secondary jacket 13, a tertiary jacket 12, an ash tray 16 and an upright post 15, wherein the primary jacket 14, the secondary jacket 13 and the tertiary jacket 12 are sequentially fixed, the upright posts 15 are arranged on the outer side of the primary jacket 14 through bolts, the number of the upright posts 15 is multiple, the spiral feeder 1 is fixed on one side of the outer side of the primary jacket 14, the spiral feeder 1 is communicated with the inner part of the lifting feeder 3, a conveying belt 5 is driven between the top of the lifting feeder 3 and the material distribution bin 7, the material distribution bin 7 is divided into a left bin and a right bin, a diverter valve 6 is fixed on the top of the material distribution bin 7 through bolts, and second rolling feed valves 8 are respectively fixed between the bottom of the material distribution bin 7 and the middle bin 9, and a screw feeder 10 is arranged on one side of the middle storage bin 9 through a bolt.
According to the scheme, a first rolling feed valve 4 is fixed between a middle storage bin 9 and a third-stage jacket 12, a fuel gas outlet 11 is formed in one side of the top of the third-stage jacket 12, an ash tray 16 is arranged at the bottom of a first-stage jacket 14, a water-cooling grate 2 is arranged on the ash tray 16, the top of the water-cooling grate 2 is arranged in the first-stage jacket 14, a steel ball slideway 17 is arranged on the outer side of the bottom of the ash tray 16, a furnace bottom blast hole 18 is formed in the middle of the bottom of the ash tray 16, a furnace bottom three-way pipe 22 is fixed at the bottom of the ash tray 16, an annular water seal groove 20 is arranged outside the furnace bottom three-way pipe 22, and an inner jacket water seal 19 and an outer water seal jacket 21 are fixed on the furnace bottom three-way pipe 22.
In specific application, the collected raw materials are as follows: carbon-containing sludge (pressed into 30-60mm spherical shape), shale (30-60 mm in size), low-grade coal (30-60 mm in size), biomass raw materials (wood chips, straws and the like 30-60mm in size) are added into a material distribution bin 7 through a conveying belt 5, the raw materials sequentially pass through a top second rolling feeding valve 8, a middle bin 9, a spiral material conveyor 10 and a first rolling feeding valve 4 to enter the interior of a hearth, and the raw materials are mixed with air and steam from the bottom to perform chemical reaction, so that the fuel gas is prepared.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The large-scale energy pyrolysis constant-pressure gasification furnace is characterized by comprising a spiral feeder (1), a lifting feeder (3), a material distribution bin (7), a middle bin (9), a primary jacket (14), a secondary jacket (13), a tertiary jacket (12), an ash tray (16) and a stand column (15), wherein the primary jacket (14), the secondary jacket (13) and the tertiary jacket (12) are sequentially fixed, the stand column (15) is arranged on the outer side of the primary jacket (14) through a bolt, the stand columns (15) are a plurality of, the spiral feeder (1) is fixed on one side of the outer side of the primary jacket (14), the spiral feeder (1) is communicated with the inner part of the lifting feeder (3), a conveying belt (5) is driven between the top of the lifting feeder (3) and the material distribution bin (7), the material distribution bin (7) is divided into a left side and a right side, a steering valve (6) is fixed on the top of the material distribution bin (7) through a bolt, and a second rolling feeding valve (8) is respectively fixed between the bottom of the material distribution bin (7) and the corresponding middle material bin (9), and a screw feeder (10) is installed on one side of the middle material bin (9) through a bolt.
2. The large-scale energy pyrolysis constant-pressure gasification furnace according to claim 1, wherein a first rolling feed valve (4) is fixed between the middle bin (9) and the three-stage jacket (12), and a fuel gas outlet (11) is formed in one side of the top of the three-stage jacket (12).
3. The large-scale energy pyrolysis constant-pressure gasification furnace according to claim 1, wherein the ash tray (16) is arranged at the bottom of the primary jacket (14), the water-cooled grate (2) is arranged on the ash tray (16), and the top of the water-cooled grate (2) is arranged in the primary jacket (14).
4. The large-scale energy pyrolysis constant-pressure gasification furnace according to claim 3, wherein a steel ball slideway (17) is arranged on the outer side of the bottom of the ash tray (16), and a bottom tuyere (18) is arranged in the middle of the bottom of the ash tray (16).
5. The large-scale energy pyrolysis constant-pressure gasification furnace according to claim 4, wherein a furnace bottom tee pipe (22) is fixed at the bottom of the ash tray (16), and an annular water seal groove (20) is arranged outside the furnace bottom tee pipe (22).
6. The large-scale energy pyrolysis constant-pressure gasification furnace according to claim 5, wherein an inner jacket water seal (19) and an outer jacket water seal (21) are fixed on the furnace bottom three-way pipe (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122549456.1U CN215924868U (en) | 2021-10-22 | 2021-10-22 | Large-scale energy pyrolysis constant-pressure gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122549456.1U CN215924868U (en) | 2021-10-22 | 2021-10-22 | Large-scale energy pyrolysis constant-pressure gasification furnace |
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| Publication Number | Publication Date |
|---|---|
| CN215924868U true CN215924868U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122549456.1U Active CN215924868U (en) | 2021-10-22 | 2021-10-22 | Large-scale energy pyrolysis constant-pressure gasification furnace |
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| CN (1) | CN215924868U (en) |
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2021
- 2021-10-22 CN CN202122549456.1U patent/CN215924868U/en active Active
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| CB03 | Change of inventor or designer information |
Inventor after: Zhang Xiqiao Inventor after: Yin Shaoshan Inventor after: Qiu Weidong Inventor after: Zhou Bin Inventor after: Zhao Na Inventor after: Wang Yunxiao Inventor before: Zhang Xiqiao Inventor before: Yin Shaoshan Inventor before: Qiu Weidong Inventor before: Zhou Bin Inventor before: Zhao Na Inventor before: Wang Yunxiao |