CN218846846U - Efficient direct-fired device of special alternative fuel for cement kiln - Google Patents
Efficient direct-fired device of special alternative fuel for cement kiln Download PDFInfo
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- CN218846846U CN218846846U CN202320123309.4U CN202320123309U CN218846846U CN 218846846 U CN218846846 U CN 218846846U CN 202320123309 U CN202320123309 U CN 202320123309U CN 218846846 U CN218846846 U CN 218846846U
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- cement kiln
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- alternative fuel
- pure oxygen
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Abstract
The utility model discloses a special alternative fuel high-efficient direct combustion device for a cement kiln, which comprises a cement kiln consisting of common cement kiln components such as a kiln body, a combustor, a feeding hopper, a smoke chamber, an oxygenation device and a compressor, wherein the combustor comprises a combustion chamber, the inner upper surface of the combustion chamber is spirally connected with a spiral connector, and the spiral connector is fixed on the inner upper surface of the combustion chamber; the combustion chamber is characterized in that a pure oxygen filling port of a combustion improver pure oxygen is arranged at the bottom of the combustion chamber, the pure oxygen filling port is connected with a heat exchanger through a pipeline, an inlet of the heat exchanger is connected with the combustion chamber, an outlet of the heat exchanger is connected with a cyclone, the cyclone is connected with an oxygenation device through a pipeline, a secondary oxygenation device is further arranged at the middle end of the combustion chamber, oxygen supply is enhanced, the combustion chamber can be fully combusted, and the temperature of the combustion chamber is effectively increased.
Description
Technical Field
The utility model relates to a cement kiln technical field specifically indicates a special alternative fuel's of cement kiln high-efficient direct combustion device.
Background
The process of calcining in the material rotary kiln is that raw materials are fed from the cold end of the kiln, and the kiln has a certain inclination and continuously rotates, so that the raw materials continuously move to the hot end. The fuel is sprayed from the hot end, and is combusted to release heat under the combustion of air to generate high-temperature flue gas, the hot gas flows from the hot end to the secondary end under the driving of the fan, and the material and the flue gas exchange heat in the process of reverse movement, so that the raw material is burnt into clinker. In order to save resources and protect the environment, the cement kiln fuel is replaced by the biomass fuel, so that how to improve the combustion value of the biomass fuel and the temperature of a combustion chamber is a new research direction.
SUMMERY OF THE UTILITY MODEL
The utility model provides an foretell technical problem provides an improve the special alternative fuel's of cement kiln high-efficient direct combustion device of biomass fuel combustion value.
In order to solve the technical problem, the utility model provides a technical scheme does: a high-efficiency direct combustion device special for replacing fuel for a cement kiln comprises the cement kiln consisting of common cement kiln components such as a kiln body, a combustor, a feeding hopper, a smoke chamber, an oxygenation device and a compressor, wherein the combustor comprises a combustion chamber, the upper surface in the combustion chamber is spirally connected with a spiral connector, and the spiral connector is fixed on the upper surface in the combustion chamber; the combustion chamber is characterized in that a pure oxygen filling port of a combustion improver pure oxygen is arranged at the bottom of the combustion chamber, the pure oxygen filling port is connected with a heat exchanger through a pipeline, an inlet of the heat exchanger is connected with the combustion chamber, an outlet of the heat exchanger is connected with a cyclone, the cyclone is connected with an oxygenation device through a pipeline, a secondary oxygenation device is further arranged at the middle end of the combustion chamber, oxygen supply is enhanced, the combustion chamber can be fully combusted, and the temperature of the combustion chamber is effectively increased.
Compared with the prior art, the utility model the advantage lie in: the arranged spiral connector is arranged in the combustion chamber to form a spiral channel, so that biomass combustion materials can flow to the tail end at a constant speed easily, the mixing amount of the biomass fuel and oxygen can be adjusted, and the temperature of the combustion chamber is more uniform; the traditional oxygen supply device is additionally provided with the cyclone, so that the oxygen flow is accelerated easily, the oxygen reacts violently with the biomass fuel, the biomass fuel can be combusted fully, the temperature of the combustion chamber is effectively increased, and the emission and heat loss of carbon monoxide and smoke dust are reduced.
Furthermore, a plurality of cyclones are arranged and then connected in series through pipelines, so that the oxygen centrifugal force is increased.
Further, the tail end of the combustion chamber is in a reverse taper shape.
Further, the thickness of the spiral connector is one third of the height of the combustion chamber space.
Furthermore, the outer surface of one side of the combustion chamber, which is provided with the pure oxygen filling port, is provided with a heating layer, so that the thermal efficiency of the fuel is improved, and the combustion is accelerated.
Drawings
FIG. 1 is a schematic structural diagram of the high-efficiency direct combustion device for replacing fuel specially used for a cement kiln.
FIG. 2 is a schematic structural diagram of the high-efficiency direct combustion device of the special alternative fuel for cement kilns of the present invention.
FIG. 3 is a schematic structural view of the high-efficiency direct combustion device of the special alternative fuel for cement kilns of the present invention.
As shown in the figure: 1. the device comprises a kiln body, 2, a combustor, 3, a feeding hopper, 4, a combustion chamber, 5, a spiral connecting body, 6, a pure oxygen filling port, 7, a heat exchanger, 8, a cyclone, 9, a secondary oxygen increasing device, 10, a heating layer, 11 and an oxygen increasing device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to fig. 1, 2 and 3, the high-efficiency direct combustion device for replacing fuel specially used for the cement kiln comprises a kiln body 1, a combustor 2, a feeding hopper 3, a smoke chamber, an oxygenation device 11, a compressor and other cement kiln common components, wherein the combustor 2 comprises a combustion chamber 4, and the tail end of the combustion chamber 4 is in an inverted cone shape; the upper surface in the combustion chamber 4 is spirally connected with a spiral connector 5, and the thickness of the spiral connector 5 is one third of the space height of the combustion chamber 4; the spiral connecting body 5 is fixed on the inner upper surface of the combustion chamber 4; the bottom of the combustion chamber 4 is provided with a pure oxygen filling port 6 of combustion improver pure oxygen, the pure oxygen filling port 6 is connected with a heat exchanger 7 through a pipeline, the inlet of the heat exchanger 7 is connected with the combustion chamber 4, the outlet of the heat exchanger is connected with a plurality of cyclone cylinders 8, and then the cyclone cylinders 8 are connected in series through pipelines to increase the oxygen centrifugal force; the cyclone 8 is connected with the oxygenation device 4 through a pipeline, and the middle end of the combustion chamber 4 is also provided with a secondary oxygenation device 9 for enhancing oxygen supply, so that the oxygen can be fully combusted, and the temperature of the combustion chamber is effectively increased; the outer surface of one side of the combustion chamber 4 provided with the pure oxygen filling port 6 is provided with a heating layer 10, so that the heating efficiency of the fuel is improved, and the combustion is accelerated.
When the utility model is implemented, the arranged spiral connector forms a spiral channel in the combustion chamber, so that biomass burning materials can flow to the tail end at a constant speed, the mixing amount of the biomass fuel and oxygen can be adjusted, and the temperature of the combustion chamber is more uniform; the traditional oxygen supply device is additionally provided with the cyclone, so that the oxygen flow is easy to accelerate, the oxygen reacts violently with the biomass fuel, the biomass fuel can be combusted fully, the temperature of a combustion chamber is effectively increased, and the emission and heat loss of carbon monoxide and smoke dust are reduced; all fuels need to preheat in entering the kiln, so be equipped with the zone of heating, improve the fuel and meet thermal efficiency, make the utility model discloses the product is on fire fast, and flame is high, and it is fast to go up gas, and operating condition is good, and the thermal efficiency is high to burn.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. The utility model provides a special alternative fuel's of cement kiln high-efficient directly burns device, includes the cement kiln that kiln body (1), combustor (2), feeding hopper (3), smoke chamber, oxygenation device (11), compressor are constituteed, its characterized in that: the combustor (2) comprises a combustion chamber (4), the inner upper surface of the combustion chamber (4) is spirally connected with a spiral connecting body (5), and the spiral connecting body (5) is fixed on the inner upper surface of the combustion chamber (4); the oxygen aeration device is characterized in that a pure oxygen filling port (6) of a combustion improver pure oxygen is arranged at the bottom of the combustion chamber (4), the pure oxygen filling port (6) is connected with a heat exchanger (7) through a pipeline, an inlet of the heat exchanger (7) is connected with the combustion chamber (4), an outlet of the heat exchanger is connected with a cyclone (8), the cyclone (8) is connected with an aeration device (11) through a pipeline, and a secondary aeration device (9) is further arranged at the middle end of the combustion chamber (4).
2. The efficient direct combustion device of the special alternative fuel for the cement kiln, according to the claim 1, is characterized in that: the cyclones (8) are arranged in a plurality and then connected in series through pipelines.
3. The efficient direct combustion device of the special alternative fuel for the cement kiln, according to the claim 1, is characterized in that: the tail end of the combustion chamber (4) is in a reverse taper shape.
4. The efficient direct combustion device of the special alternative fuel for the cement kiln, according to the claim 1, is characterized in that: the thickness of the spiral connecting body (5) is one third of the space height of the combustion chamber (4).
5. The efficient direct combustion device of the special alternative fuel for the cement kiln, according to the claim 1, is characterized in that: the outer surface of one side of the combustion chamber (4) provided with the pure oxygen filling port (6) is provided with a heating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123309.4U CN218846846U (en) | 2023-01-13 | 2023-01-13 | Efficient direct-fired device of special alternative fuel for cement kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123309.4U CN218846846U (en) | 2023-01-13 | 2023-01-13 | Efficient direct-fired device of special alternative fuel for cement kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218846846U true CN218846846U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320123309.4U Active CN218846846U (en) | 2023-01-13 | 2023-01-13 | Efficient direct-fired device of special alternative fuel for cement kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218846846U (en) |
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2023
- 2023-01-13 CN CN202320123309.4U patent/CN218846846U/en active Active
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