CN214370131U - Biomass fuel combustor based on kiln - Google Patents
Biomass fuel combustor based on kiln Download PDFInfo
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- CN214370131U CN214370131U CN202022547194.0U CN202022547194U CN214370131U CN 214370131 U CN214370131 U CN 214370131U CN 202022547194 U CN202022547194 U CN 202022547194U CN 214370131 U CN214370131 U CN 214370131U
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Abstract
The utility model provides a biomass fuel combustor based on kiln, including the kiln, still include: the material box is used for temporarily storing biomass particles; a fuel transfer mechanism for receiving and transferring biomass particles from the bin; the fuel pushing mechanism is used for receiving the biomass particles from the fuel transferring mechanism and pushing the biomass particles to the material spraying opening; and the air supply and boosting mechanism is used for introducing combustion-supporting gas, pressurizing the combustion-supporting gas and feeding the combustion-supporting gas into the material spraying opening, and enabling the combustion-supporting gas and biomass particles pushed by the fuel pushing mechanism to jointly enter the kiln through the nozzle. Compared with the prior art, the biomass fuel of the utility model has stable combustion, good running state and high heat efficiency of the kiln; the biomass fuel is used as the external fuel of the kiln, is an ideal fuel for replacing natural gas, liquefied petroleum gas, electricity, coal and the like, has wide application prospect, and has good social benefit, economic benefit and environmental benefit.
Description
Technical Field
The utility model relates to a biomass fuel combustor based on kiln.
Background
At present, all countries in the world, especially developed countries, are dedicated to developing efficient and pollution-free biomass energy utilization technology so as to achieve the purposes of protecting mineral resources, guaranteeing national energy safety, realizing CO2 emission reduction and protecting national economic sustainable development. As a developing big country, China has abundant biomass resources and application markets which are being developed, develops and utilizes a large amount of biomass energy as soon as possible, is beneficial to strategic adjustment of the country and industry, and is one of important ways for building a conservation-oriented society and developing circular economy. In recent years, China has developed a series of energy-saving and emission-reducing policies for encouraging development of novel materials and comprehensive utilization of resources, green, environment-friendly, economic cycle and low-carbon development are the directions of future development, industrial solid wastes, mineral tailings, sludge, agricultural and forestry wastes and the like are encouraged to replace primary energy, the comprehensive utilization range of resources is further expanded, the consumption of natural energy is reduced, biomass is a high-quality material of green novel fuels with good performance, and the biomass is an indispensable resource for future economic development.
The biomass fuel is a renewable carbon source and has the characteristics of large yield, wide distribution, low sulfur, low nitrogen, quick growth and low CO2 emission. The biomass fuel combustion is mainly controlled by the following conditions:
a certain temperature;
a quantity of air (oxygen);
the degree of mixing of the fuel with the air (oxygen);
the time during which the combustibles in the fuel undergo a vigorous chemical reaction with the oxygen in the air.
The ignition temperature of the biomass fuel is 250-400 ℃ lower than that of coal (the ignition temperature of coal is 400-500 ℃), and the temperature is increased by ignition heat. The combustion process of biomass fuel is a process in which volatile components and combustible components are strongly combined with oxygen in the air and heat is released, and thus the supply amount of oxygen determines the process of combustion reaction. By controlling the oxygen supply amount, the combustion reaction can be well controlled. If the existing industrial kiln is directly used without modification, the kiln can seriously smoke, has low efficiency, dust pollution and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a biomass fuel combustor based on kiln through installing special secondary air supply equipment additional, and the reinforcing advances oxygen, makes its ability intensive combustion, effectively improves furnace temperature, reduces the emission and the thermal loss of carbon monoxide and smoke and dust.
The technical scheme of the utility model as follows:
a biomass fuel combustor based on kiln, includes the kiln, still includes:
the material box is used for temporarily storing biomass particles;
a fuel transfer mechanism for receiving and transferring biomass particles from the bin;
the fuel pushing mechanism is used for receiving the biomass particles from the fuel transferring mechanism and pushing the biomass particles to the material spraying opening;
and the air supply and boosting mechanism is used for introducing combustion-supporting gas, pressurizing the combustion-supporting gas and feeding the combustion-supporting gas into the material spraying opening, and enabling the combustion-supporting gas and biomass particles pushed by the fuel pushing mechanism to jointly enter the kiln through the nozzle.
Preferably, the fuel transfer mechanism includes conveyor assembly and conveyer belt motor, the feed opening has been seted up to the workbin bottom, conveyor assembly is located the feed opening below, conveyor assembly's end is corresponding to fuel push mechanism's receiving terminal intercommunication.
Preferably, the fuel pushing mechanism comprises a discharging box, a discharging port opening and closing cover and an opening and closing cover driving assembly, the discharging box serves as a receiving end of the fuel pushing mechanism, and the discharging port opening and closing cover is arranged on the bottom surface of the discharging box and located above the spraying port; the opening and closing cover driving assembly is used for driving the opening and closing cover of the discharge port to open/close.
Preferably, the cover opening and closing driving assembly comprises a link mechanism, the link mechanism is vertically arranged in the discharge box, and the link mechanism is used for opening/closing the discharge port opening and closing cover.
Preferably, the discharge box is positioned on the side face of the material box, and the discharge port opening and closing cover is closer to the spray port relative to the air supply and boosting mechanism.
Preferably, the air supply and boosting mechanism comprises a fan and an air collecting box, the fan sends combustion-supporting gas into the air collecting box, the lower end of the air collecting box is communicated with the material spraying opening, the combustion-supporting gas is sent into the material spraying opening through negative pressure, and biomass particles at the material spraying opening are sent into the kiln through the nozzle.
Preferably, the spout mouth is horn-shaped, the nozzle corresponds to the small end of the spout mouth, the lower end of the air collecting box and the discharge port opening and closing cover correspond to the large end of the spout mouth together, and the lower end of the air collecting box is far away from the spout mouth relative to the discharge port opening and closing cover.
Preferably, a material level meter is arranged at the middle lower part of the material box.
Preferably, the feed box and the fuel transfer mechanism are integrally arranged on the same support frame.
Preferably, the receiving end of the bin is further provided with an automatic feeding system.
The utility model has the advantages of it is following:
the air supply and boosting mechanism is used for introducing combustion-supporting gas, pressurizing the combustion-supporting gas and feeding the combustion-supporting gas into the material spraying opening, and the combustion-supporting gas and biomass particles pushed by the fuel pushing mechanism enter the kiln through the nozzle together, so that the biomass fuel is stable in combustion, good in running state and high in heat efficiency of the kiln; the utility model can change the prior combustion mode, so that the discharge amount of sulfur dioxide, smoke dust and nitrogen oxide is small, the burn-out rate of combustion is higher than that of coal, and the discharge amount is small;
furthermore, the biomass fuel is a renewable energy product, which is beneficial to energy conservation and environmental protection; in addition, the biomass fuel is used as the fuel outside the kiln, is an ideal fuel for replacing natural gas, liquefied petroleum gas, electricity, coal and the like, has wide use prospect, and has good social benefit, economic benefit and environmental benefit.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
The numbers in the figures illustrate the following:
1-material box, 2-material level meter, 3-conveyer motor, 4-conveyer belt component, 5-support frame, 6-biomass fuel, 7-material discharging box, 8-fan, 9-link mechanism, 10-air collecting box, 11-material discharging opening and closing cover, 12-material spraying opening, 13-nozzle, 14-kiln.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The present invention is described in further detail below with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention, as shown in fig. 1: a kiln-based biomass fuel burner, comprising a kiln 14, further comprising: the material box 1 is used for temporarily storing biomass particles; a fuel transfer mechanism for receiving and transferring biomass particles from the bin; the fuel pushing mechanism is used for receiving the biomass particles from the fuel transferring mechanism and pushing the biomass particles to the material spraying opening; and the air supply and boosting mechanism is used for introducing combustion-supporting gas, pressurizing the combustion-supporting gas and feeding the combustion-supporting gas into the material spraying opening 12, and enabling the combustion-supporting gas and biomass particles pushed by the fuel pushing mechanism to jointly enter the kiln 14 through the nozzle 13.
It should be noted that the combustion-supporting gas is usually oxygen, that is, oxygen-enriched combustion can be performed, and combustion-supporting oxygen enrichment and an increase in the amount of combustion-supporting gas can be adopted, so as to increase the complete combustion rate.
The fuel transfer mechanism comprises a conveyor belt component 4 and a conveyor belt motor 3, a feed opening is formed in the bottom of the material box 1, the conveyor belt component 4 is located below the feed opening, and the tail end of the conveyor belt component 4 is communicated with a receiving end of the fuel pushing mechanism corresponding to the receiving end; the middle lower part of the feed box 1 is provided with a material level meter 2, the feed box 1 and the fuel transfer mechanism are integrally arranged on the same supporting frame 5, and the receiving end of the feed box 1 is also provided with an automatic feeding system.
The fuel pushing mechanism comprises a discharging box 7, a discharging port opening and closing cover 11 and an opening and closing cover driving assembly, the discharging box 7 serves as a receiving end of the fuel pushing mechanism, and the discharging port opening and closing cover 11 is arranged on the bottom surface of the discharging box 7 and located above the spraying port 12; the opening and closing cover driving assembly is used for driving the opening and closing cover 11 of the discharge port to open/close.
The cover opening and closing driving assembly comprises a connecting rod mechanism 9, the connecting rod mechanism 9 is vertically arranged in the discharging box 7, and the connecting rod mechanism 9 is used for opening/closing the discharging opening and closing cover 11.
The connecting rod mechanism can be an electric connecting rod mechanism or a pneumatic connecting rod mechanism, so that the connecting rod mechanism is provided with energy to open or close the discharge hole opening and closing cover.
The discharging box 7 is positioned on the side surface of the material box 1, and the discharging opening and closing cover 11 is closer to the spraying opening 12 relative to the air supply and boosting mechanism.
Air supply and boosting mechanism include fan 8 and collection wind box 10, fan 8 sends combustion-supporting gas into collection wind box 10, collection wind box 10 the lower extreme with spout 12 intercommunication, send combustion-supporting gas into spout 12 through the negative pressure to send into the biomass particles of spout 12 department through nozzle 13 in the lump kiln 14.
It should be noted that the air collecting box sends the combustion-supporting gas into the injection port through negative pressure, and a cylinder compression mode can also be adopted, and the combustion-supporting gas can be sent into the injection port as much as possible in this mode, so that the biomass fuel is completely combusted. The fan may be a centrifugal fan, a smoke exhaust fan, etc., including but not limited to these.
The spout 12 is the horn shape, and nozzle 13 corresponds to the tip of spout 12, and the lower extreme of collection bellows 10 and discharge gate open and shut lid 11 correspond to the main aspects of spout 12 jointly, the lower extreme of collection bellows 10 is kept away from for discharge gate open and shut lid 11 spout 12.
The during operation, the utility model discloses utilize living beings granule as the outer fuel of kiln, send into the workbin with living beings granule through automatic feed system, send into living beings granule through workbin bottom conveyer belt and go out the workbin, distribute and open and close the lid at the discharge gate of play workbin lower part and open through link mechanism, living beings fuel gets into the jet from the discharge gate, and simultaneously, the fan sends into the spouting mouth with wind through album wind box, sends into the living beings granule of spouting mouth through the nozzle and burns in the furnace hearth.
The utility model discloses mainly still can adopt control system automatic operation, adopt PLC control, biomass fuel pay-off volume and the required amount of wind of burning are all adjustable in the certain limit.
In conclusion, the biomass fuel is stable in combustion, good in running state and high in heat efficiency of the kiln; the prior combustion mode is changed, the discharge amount of sulfur dioxide, smoke dust and nitrogen oxides is small, the burnout rate of combustion is higher than that of coal, and the slag discharge amount is small; the biomass fuel is a renewable energy product, and is beneficial to the implementation of national energy structure adjustment and energy-saving and environment-friendly policies. The biomass fuel is used as the external fuel of the kiln, is an ideal fuel for replacing natural gas, liquefied petroleum gas, electricity, coal and the like, has wide application prospect, and has good social benefit, economic benefit and environmental benefit.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A kiln-based biomass fuel burner comprising a kiln (14), characterized by further comprising:
the material box (1) is used for temporarily storing biomass particles;
a fuel transfer mechanism for receiving and transferring biomass particles from the bin;
the fuel pushing mechanism is used for receiving the biomass particles from the fuel transferring mechanism and pushing the biomass particles to the material spraying opening;
and the air supply and boosting mechanism is used for introducing combustion-supporting gas, pressurizing the combustion-supporting gas and feeding the combustion-supporting gas into the material spraying opening (12), and feeding the combustion-supporting gas and biomass particles pushed by the fuel pushing mechanism into the kiln (14) through the nozzle (13).
2. The biomass fuel burner based on the kiln as recited in claim 1, wherein the fuel transfer mechanism comprises a conveyor belt assembly (4) and a conveyor belt motor (3), a feed opening is formed in the bottom of the bin (1), the conveyor belt assembly (4) is located below the feed opening, and the tail end of the conveyor belt assembly (4) is communicated with a receiving end corresponding to the fuel pushing mechanism.
3. The kiln-based biomass fuel burner as defined in claim 2, wherein the fuel pushing mechanism comprises a discharging box (7), a discharging opening and closing cover (11) and an opening and closing cover driving assembly, the discharging box (7) is used as a receiving end of the fuel pushing mechanism, and the discharging opening and closing cover (11) is arranged on the bottom surface of the discharging box (7) and is positioned above the spraying opening (12); the opening and closing cover driving assembly is used for driving the opening and closing cover (11) of the discharge port to open/close.
4. The kiln-based biomass fuel burner of claim 3, characterized in that the opening and closing cover drive assembly comprises a linkage mechanism (9), the linkage mechanism (9) being vertically disposed within the discharge bin (7), the linkage mechanism (9) being used for opening/closing the discharge opening and closing cover (11).
5. The kiln-based biomass fuel burner of claim 3 or 4, characterized in that the discharge box (7) is located at the side of the feed box (1), and the discharge opening/closing cover (11) is located closer to the injection opening (12) than the air blowing and boosting mechanism.
6. The kiln-based biomass fuel burner of claim 3, characterized in that the air supply and boosting mechanism comprises a fan (8) and an air collecting box (10), wherein the fan (8) supplies combustion-supporting gas into the air collecting box (10), the lower end of the air collecting box (10) is communicated with the injection port (12), the combustion-supporting gas is supplied into the injection port (12) through negative pressure, and biomass particles at the injection port (12) are supplied into the kiln (14) through the nozzle (13).
7. The kiln-based biomass fuel burner of claim 6, characterized in that the injection opening (12) is in the shape of a horn, the nozzle (13) corresponds to the small end of the injection opening (12), the lower end of the air collection box (10) and the discharge opening and closing cover (11) together correspond to the large end of the injection opening (12), and the lower end of the air collection box (10) is far away from the injection opening (12) relative to the discharge opening and closing cover (11).
8. The kiln based biomass fuel burner of claim 1, characterized in that a level gauge (2) is provided in the middle lower part of the bin (1).
9. The kiln-based biomass fuel burner of claim 1, characterized in that the bin (1) and the fuel transfer mechanism are integrally mounted on the same support frame (5).
10. The kiln-based biomass fuel burner of claim 1, characterized in that the receiving end of the bin (1) is further provided with an automatic feeding system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022547194.0U CN214370131U (en) | 2020-11-06 | 2020-11-06 | Biomass fuel combustor based on kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022547194.0U CN214370131U (en) | 2020-11-06 | 2020-11-06 | Biomass fuel combustor based on kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214370131U true CN214370131U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022547194.0U Active CN214370131U (en) | 2020-11-06 | 2020-11-06 | Biomass fuel combustor based on kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214370131U (en) |
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2020
- 2020-11-06 CN CN202022547194.0U patent/CN214370131U/en active Active
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