CN218202641U - Energy-saving gas type carbonization furnace - Google Patents
Energy-saving gas type carbonization furnace Download PDFInfo
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- CN218202641U CN218202641U CN202222907228.1U CN202222907228U CN218202641U CN 218202641 U CN218202641 U CN 218202641U CN 202222907228 U CN202222907228 U CN 202222907228U CN 218202641 U CN218202641 U CN 218202641U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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Abstract
The utility model discloses an energy-saving gas type carbonization furnace, which comprises a furnace body (1), wherein a spiral material conveying device (2) is arranged in the furnace body (1), a feeding device (3) is arranged at the feeding end of the spiral material conveying device (2), and a discharging device (4) is arranged at the discharging end of the spiral material conveying device (2); one side of the furnace body (1) is provided with a gas device (5), the other side of the furnace body (1) is provided with a waste heat recovery device (6), and the waste heat recovery device (6) is connected with a biomass waste gas discharge port (7) positioned at the feeding side of the spiral material conveying device (2) through a pipeline. The utility model has the characteristics of can effectively reduce manufacturing cost and improve energy utilization.
Description
Technical Field
The utility model relates to a carbonization furnace, in particular to an energy-saving gas type carbonization furnace.
Background
After the biomass raw material is carbonized at high temperature in the carbonization furnace, a carbonized material can be formed, and the carbonized material becomes real activated carbon after an activation process. At present, conventional retort on the market mainly includes electric retort and gas formula retort, and electric retort mainly utilizes the electricity heating technology directly with electric energy conversion to heat energy, and electric power cost is higher, and gas formula retort heats the carbonization region through burning the natural gas, and the natural gas cost is lower in comparison with electric power cost, but to manufacturing enterprise, the cost of natural gas is still very high. Meanwhile, no matter the electric carbonization furnace or the gas type carbonization furnace, although the heating process of the electric carbonization furnace or the gas type carbonization furnace has less pollution, a large amount of biomass waste gas is generated in the carbonization process, and the biomass waste gas can be discharged after being treated by special equipment, so that energy waste is caused, and the production cost of enterprises can be increased. Therefore, the prior art has the problems of higher production cost and lower energy utilization rate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-saving gas formula retort. The utility model has the characteristics of can effectively reduce manufacturing cost and improve energy utilization.
The technical scheme of the utility model: the energy-saving gas type carbonization furnace comprises a furnace body, wherein a spiral material conveying device is arranged in the furnace body, a feeding device is arranged at the feeding end of the spiral material conveying device, and a discharging device is arranged at the discharging end of the spiral material conveying device; one side of the furnace body is provided with a gas device, the other side of the furnace body is provided with a waste heat recovery device, and the waste heat recovery device is connected with a biomass waste gas discharge port positioned at the feeding side of the spiral material conveying device through a pipeline.
In the energy-saving gas-fired carbonization furnace, a heat exchange device is also arranged above the furnace body; the heat exchange device comprises a shell, a heat exchanger is arranged in the shell, an air blower is arranged at the air inlet end of the heat exchanger, and the air outlet end of the heat exchanger is connected with the air inlet of the gas device; the gas inlet end of the shell is connected with a waste gas discharge port of the furnace body through a pipeline, the gas outlet end of the shell is connected with a discharge pipe, and the discharge pipe is connected with a waste gas treatment tower.
In the energy-saving gas-fired carbonization furnace, a plurality of sections of combustion chambers are arranged in the furnace body.
In the energy-saving gas-fired carbonization furnace, the gas device comprises a gas conveying pipe and an air conveying pipe, and further comprises a combustion nozzle positioned in each section of combustion cavity; the gas delivery pipe and the air delivery pipe are connected with the combustion nozzle through a valve.
In the energy-saving gas type carbonization furnace, the waste heat recovery device comprises a primary biomass waste gas burning tower and a secondary biomass waste gas burning tower which are sequentially connected, wherein an air inlet of the primary biomass waste gas burning tower is connected with a biomass waste gas discharge port through a pipeline, an air outlet of the secondary biomass waste gas burning tower is connected with a heat distributor, and the heat distributor is connected with each section of combustion cavity through a pipeline.
In the energy-saving gas-fired carbonization furnace, the heat distributor comprises a heat concentration box body, an air supply pipe is arranged in the middle of one end of the heat concentration box body, a plurality of branch pipes are arranged on the other side of the heat concentration box body, and control valves are arranged on the branch pipes.
In aforementioned can type gas formula carbomorphism stove, discharging device includes nitrogen protection ejection of compact subassembly, and the below of nitrogen protection ejection of compact subassembly is equipped with the carbonization material bin, and the carbonization material bin is connected with the high-order feed bin through the riser, and high-order feed bin below is equipped with the discharge gate.
Compared with the prior art, the utility model discloses a waste heat recovery device that the setting links to each other with biomass waste gas discharge port and furnace body burning chamber respectively, carry the high-temperature gas who obtains the burning of biomass waste gas to each burning intracavity, a temperature for maintaining burning chamber, not only can effectual improvement biomass waste gas's heat utilization rate, can also reduce biomass waste gas's treatment cost, the use amount of reduction natural gas that can also be very big, both improved energy utilization rate and can reduction in production cost (including natural gas cost and exhaust-gas treatment cost), have splendid economic benefits. And simultaneously, the utility model discloses still through setting up heat transfer device, the fresh air that the waste gas that utilizes the furnace body to discharge preheats getting into in the gas device to the consumption of reduction natural gas that can be further, further improvement energy utilization rate, reduction in production cost. To sum up, the utility model has the characteristics of can effectively reduction in production cost and improve energy utilization.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a plan view of the waste heat recovery device and the furnace body;
fig. 3 is an enlarged view of the heat exchange device of fig. 2.
The symbols in the drawings are: 1-furnace body, 2-spiral material conveying device, 3-feeding device, 4-discharging device, 5-gas device, 6-waste heat recovery device, 7-biomass waste gas discharge port, 8-heat exchange device, 801-shell, 802-heat exchanger, 803-air blower, 804-discharge pipe, 501-gas conveying pipe, 502-air conveying pipe, 503-combustion nozzle, 601-primary biomass waste gas combustion tower, 602-secondary biomass waste gas combustion tower, 603-heat distributor, 631-heat concentration box, 632-air supply pipe, 633-split pipe, 301-feeding frame, 302-conical storage box, 401-nitrogen protection discharging component, 402-carbonized material storage box, 403-riser and 404-overhead bin.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. An energy-saving gas type carbonization furnace is shown in figures 1-3 and comprises a furnace body 1, wherein a spiral material conveying device 2 is arranged in the furnace body 1, a feeding device 3 is arranged at the feeding end of the spiral material conveying device 2, and a discharging device 4 is arranged at the discharging end of the spiral material conveying device 2; one side of the furnace body 1 is provided with a gas device 5, the other side of the furnace body 1 is provided with a waste heat recovery device 6, and the waste heat recovery device 6 is connected with a biomass waste gas discharge port 7 positioned at the feeding side of the spiral material conveying device 2 through a pipeline.
A heat exchange device 8 is also arranged above the furnace body 1; the heat exchange device 8 comprises a shell 801, a heat exchanger 802 is arranged in the shell 801, an air inlet end of the heat exchanger 802 is provided with a blower 803, and an air outlet end of the heat exchanger 802 is connected with an air inlet of the gas device 5; the air inlet end of the shell 801 is connected with the waste gas discharge port of the furnace body 1 through a pipeline, the air outlet end of the shell 801 is connected with a discharge pipe 804, and the discharge pipe 804 is connected with a waste gas treatment tower.
A multi-section combustion cavity is arranged in the furnace body 1.
The gas device 5 comprises a gas delivery pipe 501, an air delivery pipe 502 and a combustion nozzle 503 in each section of combustion chamber; the gas delivery pipe 501 and the air delivery pipe 502 are connected to the combustion nozzle 503 via valves.
The waste heat recovery device 6 comprises a primary biomass waste gas burning tower 601 and a secondary biomass waste gas burning tower 602 which are sequentially connected, an air inlet of the primary biomass waste gas burning tower 601 is connected with a biomass waste gas discharge port 7 through a pipeline, an air outlet of the secondary biomass waste gas burning tower 602 is connected with a heat distributor 603, and the heat distributor 603 is connected with each section of combustion chamber through a pipeline.
The heat distributor 603 comprises a heat collecting box 631, an air supply pipe 632 is arranged in the middle of one end of the heat collecting box 631, a plurality of branch pipes 633 are arranged on the other side of the heat collecting box 631, and control valves are arranged on the branch pipes 633.
The feeding device 3 comprises a feeding frame 301, a conical storage box 302 is arranged on the feeding frame 301, and the bottom of the conical storage box 302 is connected with a feeding hole of the spiral material conveying device 2 through a pipeline.
Discharging device 4 includes nitrogen protection ejection of compact subassembly 401, and the below of nitrogen protection ejection of compact subassembly 401 is equipped with carbonization material bin 402, and carbonization material bin 402 is connected with high-order feed bin 404 through riser 403, and high-order feed bin 404 below is equipped with the discharge gate.
The spiral material conveying device adopts conventional equipment on the market, and comprises an outer pipe, wherein a rotating shaft is arranged in the outer pipe, a group of spiral material conveying pieces are arranged on the rotating shaft, and a driving assembly is arranged at the end part of the rotating shaft.
Each combustion chamber in the furnace body is firstly heated through natural gas combustion, after each combustion chamber is heated to a set temperature, biomass raw materials are discharged into a feed inlet of a spiral conveying device through a feeding device quantitatively, the biomass raw materials are conveyed by the spiral conveying device and sequentially pass through combustion chamber sections with different temperatures, carbonization operation is completed, the biomass raw materials can be cracked in a carbonization process to generate biomass waste gas, the biomass waste gas is discharged into a waste heat recovery device through a biomass waste gas discharge port to be combusted, high-temperature gas after combustion is input into a corresponding combustion chamber through a heat distributor, the temperature in the combustion chamber is maintained, and therefore the using amount of natural gas can be greatly reduced. Meanwhile, the waste gas of the furnace body is discharged into the shell from a waste gas discharge port through a pipeline, the fresh air in the heat exchange is heated, and the waste gas is discharged out of the shell into a waste gas discharge tower from a discharge pipe; fresh air enters the heat exchanger through the air blower, is heated by waste gas, enters the air conveying pipe of the gas device from the air outlet end, is distributed into each combustion nozzle as required, is mixed with natural gas, and is combusted and heated.
The biomass raw material obtains the carbonization material after the carbomorphism, and the carbonization material of high temperature at first passes through the cooling of nitrogen protection ejection of compact subassembly, then discharges into and stores in the carbonization material bin, promotes to high-order feed bin through the riser when needing, and when the needs ejection of compact, it can to open the valve of discharge gate department, with the carbonization material bagging-off.
The carbonized material storage tank and the overhead bin are both provided with nitrogen protection devices for protecting the carbonized materials.
The combustion process of the waste heat recovery device is as follows: after biomass waste gas is fully combusted in the primary biomass waste gas combustion tower and the secondary biomass waste gas combustion tower in sequence, high-temperature gas enters the heat concentration box body through the gas supply pipe, the opening degree of the corresponding control valve is controlled according to the temperature in each combustion cavity, and the high-temperature gas with the corresponding flow rate is supplied to the corresponding combustion cavity through the branch pipe.
Claims (7)
1. Energy-saving gas formula retort, its characterized in that: the furnace comprises a furnace body (1), wherein a spiral material conveying device (2) is arranged in the furnace body (1), a feeding device (3) is arranged at the feeding end of the spiral material conveying device (2), and a discharging device (4) is arranged at the discharging end of the spiral material conveying device (2); one side of the furnace body (1) is provided with a gas device (5), the other side of the furnace body (1) is provided with a waste heat recovery device (6), and the waste heat recovery device (6) is connected with a biomass waste gas discharge port (7) positioned at the feeding side of the spiral material conveying device (2) through a pipeline.
2. The energy-saving gas-fired carbonization furnace as claimed in claim 1, wherein: a heat exchange device (8) is also arranged above the furnace body (1); the heat exchange device (8) comprises a shell (801), a heat exchanger (802) is arranged in the shell (801), an air inlet end of the heat exchanger (802) is provided with an air blower (803), and an air outlet end of the heat exchanger (802) is connected with an air inlet of the gas device (5); the gas inlet end of the shell (801) is connected with a waste gas discharge port of the furnace body (1) through a pipeline, the gas outlet end of the shell (801) is connected with a discharge pipe (804), and the discharge pipe (804) is connected with a waste gas treatment tower.
3. An energy-saving gas-fired carbonization furnace as defined in claim 1, wherein: a multi-section combustion cavity is arranged in the furnace body (1).
4. An energy-saving gas-fired carbonization furnace as defined in claim 1, wherein: the gas device (5) comprises a gas conveying pipe (501), an air conveying pipe (502) and a combustion nozzle (503) positioned in each section of combustion cavity; the gas delivery pipe (501) and the air delivery pipe (502) are connected with the combustion nozzle (503) through valves.
5. An energy-saving gas-fired carbonization furnace as defined in claim 1, wherein: the waste heat recovery device (6) comprises a primary biomass waste gas combustion tower (601) and a secondary biomass waste gas combustion tower (602) which are sequentially connected, wherein an air inlet of the primary biomass waste gas combustion tower (601) is connected with a biomass waste gas discharge port (7) through a pipeline, an air outlet of the secondary biomass waste gas combustion tower (602) is connected with a heat distributor (603), and the heat distributor (603) is connected with each section of combustion cavity through a pipeline.
6. An energy-saving gas-fired carbonization furnace as claimed in claim 5, wherein: the heat distributor (603) comprises a heat concentration box body (631), an air supply pipe (632) is arranged in the middle of one end of the heat concentration box body (631), a plurality of branch pipes (633) are arranged on the other side of the heat concentration box body (631), and control valves are arranged on the branch pipes (633).
7. An energy-saving gas-fired carbonization furnace as defined in claim 1, wherein: discharging device (4) are equipped with carbonization material bin (402) including nitrogen protection ejection of compact subassembly (401) below of nitrogen protection ejection of compact subassembly (401), and carbonization material bin (402) is connected with high-order feed bin (404) through riser (403), and high-order feed bin (404) below is equipped with the discharge gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907228.1U CN218202641U (en) | 2022-10-31 | 2022-10-31 | Energy-saving gas type carbonization furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907228.1U CN218202641U (en) | 2022-10-31 | 2022-10-31 | Energy-saving gas type carbonization furnace |
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| Publication Number | Publication Date |
|---|---|
| CN218202641U true CN218202641U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222907228.1U Active CN218202641U (en) | 2022-10-31 | 2022-10-31 | Energy-saving gas type carbonization furnace |
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| CN (1) | CN218202641U (en) |
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2022
- 2022-10-31 CN CN202222907228.1U patent/CN218202641U/en active Active
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wu Yiwei Assignor: HUZHOU QIANGDA MOLECULAR SIEVE TECHNOLOGY Co.,Ltd. Contract record no.: X2023330000494 Denomination of utility model: Energy saving gas carbonization furnace Granted publication date: 20230103 License type: Common License Record date: 20230809 |