CN217763458U - Gasification combustion device for refuse derived fuel - Google Patents
Gasification combustion device for refuse derived fuel Download PDFInfo
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- CN217763458U CN217763458U CN202221808310.2U CN202221808310U CN217763458U CN 217763458 U CN217763458 U CN 217763458U CN 202221808310 U CN202221808310 U CN 202221808310U CN 217763458 U CN217763458 U CN 217763458U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model provides a refuse derived fuel gasification combustion device, which comprises a furnace body, wherein the furnace body is provided with a first air inlet, a second air inlet and a fire outlet, a fire grate is arranged above the first air inlet in the furnace body, a second operation port is arranged on the side edge of the furnace body, an air heating cavity is arranged on the upper part of the furnace body, one end of the air heating cavity is provided with an air supply outlet, the other end of the air heating cavity opposite to the air supply outlet is connected with an air outlet, and a distribution bellows is connected between the air outlet and the first air inlet and between the air outlet and the second air inlet so as to enable the air outlet to be communicated with the first air inlet and the second air inlet; a feeding pipe is arranged above the furnace body and penetrates through the air heating cavity to feed fuel into the furnace body; the utility model provides a refuse derived fuel gasification burner can burn and utilize the heat that the burning produced to refuse derived fuel alone, and refuse derived fuel produces the gasification and carries out the effect of secondary air entrainment when burning simultaneously for refuse derived fuel burns fully.
Description
Technical Field
The utility model belongs to the technical field of refuse derived fuel burner technique and specifically relates to a refuse derived fuel gasification burner is related to.
Background
The refuse-derived fuel is a fuel produced by subjecting combustible refuse to treatment such as crushing, sorting, drying, chemical addition, compression molding, and the like. Because the present industrialization relates to various industries, a great deal of garbage derived fuel is produced every day in the industry, the garbage derived fuel has the characteristics of uniform size and uniform heat value, the forming process can improve the heat value of the garbage by about 4 times, and the garbage derived fuel is easy to transport and store and can be stored for 6-10 months at normal temperature without rotting. Therefore, a part of the garbage can be temporarily stored to solve the problem of the disposal capacity during the peak period of the garbage output caused by the shutdown of the boiler technology or the high-demand season. The refuse derived fuel has the characteristics of high heat value, stable combustion, easy transportation, easy storage, low secondary pollution, low emission of kay-like substances and the like.
The fuel can be used as a main raw material to be combusted independently, or can be mixed with coal and fuel oil to be combusted according to the process requirement of a boiler, but at present, the device for combusting the refuse derived fuel independently and supplying heat to heat equipment is less, the refuse derived fuel is easily coked on a furnace body by directly using a common solid particle combustion furnace at present, and the conventional solid particle combustion furnace can not enable the refuse derived fuel to generate gasification and secondary combustion during combustion, so that the refuse derived fuel is insufficiently combusted, a large amount of black smoke is generated during combustion of the refuse derived fuel, and the environment is polluted.
SUMMERY OF THE UTILITY MODEL
In order to solve above-mentioned conventional solid particle and fire burning furnace and can't make refuse derived fuel produce the effect of gasification and carry out the effect of postcombustion when burning for thereby refuse derived fuel burns inadequately and produces the problem of a large amount of black cigarette polluted environment when causing refuse derived fuel to burn, the utility model provides a refuse derived fuel gasification burner.
The technical scheme of the utility model:
the utility model provides a refuse derived fuel gasification burner, includes the furnace body, and the furnace body lower part is provided with first income wind gap, and the furnace body middle part is provided with the second and goes into the wind gap, and the furnace body top is provided with out the burner, and first income wind gap top is provided with the grate in the furnace body, and the furnace body side lies in the grate below and is provided with first operation mouth and is used for clearing up the burning that produces and remain the lime-ash, and furnace body side grate top is provided with the ignition that second operation mouth is used for this refuse derived fuel gasification burner. The air heating cavity is arranged at the upper part of the furnace body and used for preheating air to be sent into the furnace body, an air supply outlet is arranged at one end of the air heating cavity and used for sending pressure air into the air heating cavity, an air outlet is connected to the other end of the air heating cavity, which is opposite to the air supply outlet, and a distribution air box is connected between the air outlet and the first air inlet and between the air outlet and the second air inlet so that the air outlet can be communicated with the first air inlet and the second air inlet; the feeding pipe is arranged above the furnace body and used for feeding the refuse derived fuel into the furnace body for combustion, and the feeding pipe penetrates through the air heating cavity and can feed the fuel into the furnace body.
Further, the utility model relates to a refuse derived fuel gasification burner for further fully burns the gasification granule of not burning completely, is provided with the third on going out the burner and goes into the wind gap, goes out the burner and is located third income wind gap department and is provided with third wind ring, and third wind ring is through last tuber pipe and distribution bellows intercommunication. The hot air can be further supplemented on the fire outlet so that the incompletely combusted gasified refuse derived fuel can be further combusted.
Further, the utility model relates to a refuse derived fuel gasification burner sets up the second and goes into the wind gap and arrange along furnace body circumference for the better purpose that reaches refuse derived fuel gasification burning, even make furnace body circumference all be provided with the second and go into the entry position in wind gap for inside the furnace body can fully sneak into the furnace body at the air in second income wind gap, the second is gone into the wind gap and is provided with the ring cover of supplying air outward, the ring cover of supplying air will distribute bellows and second income wind gap intercommunication through well tuber pipe.
Further, the utility model relates to a refuse derived fuel gasification burner, air heating intracavity is provided with and separates the separation blade, separate the vertical setting of separation blade and separate the lower part of separation blade and air heating chamber lower part fixed connection, separate the separation blade evenly distributed in the air heating intracavity so that can carry out comparatively abundant heating at the air heating intracavity by the air of being blown into from the supply-air outlet.
Further, the utility model relates to a refuse derived fuel gasification burner for the convenience of the combustion condition in the real-time observation inspection stove to make the pay-off of in time control fuel and the control of air quantity, be provided with the observation window on the furnace body, the observation window is located second income wind gap top position, can observe inside the furnace body through the observation window.
Furthermore, the utility model relates to a gasification combustion device of refuse derived fuel, an air supply pipe is connected between the distribution air box and the air outlet; a lower air pipe is connected between the distribution air box and the first air inlet, and a valve is arranged between the lower air pipe and the first air inlet and used for controlling the conduction of the lower air pipe and the first air inlet; a middle air pipe is connected between the distribution air box and the air feeding ring cover, and a valve is arranged between the middle air pipe and the air feeding ring cover and used for controlling the conduction of the middle air pipe and the air feeding ring cover; an upper air pipe is connected between the distribution air box and the third air ring, and a valve is arranged between the upper air pipe and the third air ring and used for controlling the conduction of the distribution upper air pipe and the third air ring.
Further, the utility model relates to a refuse derived fuel gasification burner is provided with 2 valves that can not open simultaneously on the conveying pipe, and the pay-off mode of fuel adopts the pay-off of sectional type promptly, can prevent to make the interior burning of stove insufficient simultaneously also can prevent to leak people's cold air or emit the normal gasification burning that the flue gas influences the gasifier owing to the anti-burning that the pay-off speed arouses too slowly or pay-off speed is too fast when continuous pay-off, can control effectively the effective stable burning of the interior refuse derived fuel of stove.
The utility model has the advantages that:
the utility model relates to a refuse derived fuel gasification burner is through having set up parts such as furnace body, first operation mouth, second operation mouth, supply-air outlet, distribution bellows, first income wind gap, second income wind gap, air heating chamber, can burn refuse derived fuel alone and utilize the heat that the burning produced, and refuse derived fuel produces gasification and carries out secondary air entrainment's effect when burning simultaneously for refuse derived fuel burning is abundant.
Drawings
Fig. 1 is a schematic structural view of a gasification combustion device for refuse derived fuel according to the present invention;
FIG. 2 is a schematic structural view of a gasification combustion apparatus for refuse derived fuel according to the present invention;
fig. 3 is a schematic structural view of a gasification combustion device for refuse derived fuel according to the present invention;
FIG. 4 is a schematic structural view of a gasification combustion apparatus for refuse derived fuel according to the present invention;
names and sequence numbers in the figure: 1. furnace body, 2, supply-air outlet, 3, conveying pipe, 4, fire outlet, 5, distribution bellows, 11, first operation mouth, 12, second operation mouth, 13, observation window, 14, air feed ring cover, 15, first air inlet, 16, air outlet, 17, air heating chamber, 101, grate, 102, second air inlet, 103, separation blade, 41, third wind ring, 42, third air inlet, 51, apoplexy pipe, 52, leeward pipe, 53, windward pipe, 54, blast pipe.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, a gasification combustion device for refuse derived fuel comprises a furnace body 1, a first air inlet 15 is arranged at the lower part of the furnace body 1, a second air inlet 102 is arranged at the middle part of the furnace body 1, a fire outlet 4 is arranged at the upper part of the furnace body 1 for discharging heat generated by combustion out of the furnace, a grate 101 is arranged above the first air inlet 15 inside the furnace body 1, a first operation port 11 is arranged at the side edge of the furnace body 1 below the grate 101 for cleaning combustion residual ash generated after combustion, and a second operation port 12 is arranged at the side edge of the furnace body 1 above the grate 101 for igniting the gasification combustion device for refuse derived fuel, i.e. putting ignited coal or charcoal fire from the second operation port 12 above the grate 101 for igniting refuse derived fuel. An air heating cavity 17 is arranged at the upper part of the furnace body 1 and is used for preheating air to be sent into the furnace body 1, an air supply outlet 2 is arranged at one end of the air heating cavity 17 and is used for sending pressure air into the air heating cavity 17, an air outlet 16 is connected to the other end, opposite to the air supply outlet 2, of the air heating cavity 17, and a distribution air box 5 is connected between the air outlet 16 and the first air inlet 15 and the second air inlet 102 so that the air outlet 16 can be communicated with the first air inlet 15 and the second air inlet 102; the top of the furnace body 1 is provided with a feeding pipe 3 for feeding the refuse derived fuel into the furnace body 1 for combustion, the feeding pipe 3 passes through the air heating cavity 17 to feed the fuel into the furnace body 1, and the fuel can be preheated when the fuel is fed into the furnace body 1.
In use, air is fed from the air inlet 2 using a blower or compressor, passes through the air inlet 2, the air heating chamber 17, the distribution windbox 5 in this order, and is distributed from the distribution windbox 5 to the first air inlet 15 and the second air inlet 102. The ignited coal or charcoal fire is put in from the second operation opening 12 and is placed above the fire grate 101, the refuse derived fuel is fed into the furnace body 1 through the feeding pipe 3, the refuse derived fuel starts to be ignited and is accumulated on the upper part of the fire grate 101, the air is fed into the lower part of the fire grate 101 of the furnace body 1 through the first air inlet 15 to provide air required by primary combustion for the refuse derived fuel, the refuse derived fuel forms refuse derived fuel gasification products above the fire grate 101 after the refuse derived fuel starts to be combusted, and the refuse derived fuel gasification products and the air fed in from the second air inlet 102 perform secondary combustion, so that the refuse derived fuel can be fully and effectively combusted in the furnace body 1. Because the air heating cavity 17 is arranged above the furnace body 1, the air to be sent into the furnace body 1 can be better heated by using an effective space, so that the refuse derived fuel in the furnace body 1 can be more effectively and fully combusted.
Further, the utility model relates to a refuse derived fuel gasification burner for further fully burns the gasification granule of not burning completely, is provided with third income wind gap 42 on the fire hole 4 as shown in fig. 4, and the fire hole 4 is located third income wind gap 42 department and is provided with third wind ring 41, and third wind ring 41 communicates with distribution bellows 5 through upper air pipe 53 as shown in fig. 1. Through the arrangement, the gasification refuse derived fuel which is not completely combusted is further combusted through further supplementing hot air on the fire outlet 4.
Further, the utility model relates to a refuse derived fuel gasification burner, for the better purpose that reaches refuse derived fuel gasification burning, it arranges along 1 circumference of furnace body to set up the second income wind gap 102 as shown in FIG. 3, even make 1 circumference of furnace body all be provided with the second and go into the entry position of wind gap 102 for the air that goes into wind gap 102 at the second in 1 furnace body can fully sneak into furnace body 1 inside and carry out the combustible particles in the furnace body 1 and carry out the intensive mixing burning. Meanwhile, in order to fully distribute the air into the furnace body, the second air inlet 102 is provided with an air feeding ring cover 14 along the outside of the furnace body, and the air feeding ring cover 14 communicates the distribution air box 5 with the second air inlet 102 through the intermediate air pipe 51. The air feeding ring cover 14 is provided to make the air fed from the distribution windbox 5 distributed relatively uniformly to the second air inlets 102 arranged along the circumferential direction of the furnace body 1.
Further, the utility model relates to a refuse derived fuel gasification burner, as shown in fig. 3, be provided with in the air heating chamber 17 and separate the separation blade 103, separate the vertical setting of separation blade 103, and separate the lower part of separation blade 103 and the lower part fixed connection of air heating chamber 17, separate that separation blade 103 evenly distributed carries out comparatively abundant heating in air heating chamber 17 so that the air that is blown in from supply-air outlet 2 can be in air heating chamber 17. The primary combustion and the secondary combustion of the refuse-derived fuel on the grate 101 can be more facilitated by increasing the temperature of the air blown from the blower port 2.
Further, as shown in fig. 1 and 2, the utility model relates to a refuse derived fuel gasification burner, for the convenience of observing the burning condition in the inspection stove in real time to make the pay-off of in time control fuel and the control of air quantity, be provided with observation window 13 on the furnace body 1, observation window 13 is located second income wind gap 102 top position, can observe the burning condition of furnace body 1 inside so that the speed of sending into of control air and fuel through observation window 13, so as to ensure the stable burning of furnace body 1 inside in order to provide stable heat source.
Further, the gasification combustion device for refuse derived fuel of the present invention, as shown in fig. 1, has an air supply pipe 54 connected between the distribution air box 5 and the air outlet 16; a lower air pipe 52 is connected between the distribution air box 5 and the first air inlet 15, a valve is arranged between the lower air pipe 52 and the first air inlet 15 for controlling the conduction between the lower air pipe 52 and the first air inlet 15, and the amount of air entering the first air inlet 15 can be controlled by controlling the valve between the lower air pipe 52 and the first air inlet 15. An intermediate air pipe 51 is connected between the distribution air box 5 and the air feeding ring cover 14, a valve is arranged between the intermediate air pipe 51 and the air feeding ring cover 14 for controlling the conduction between the intermediate air pipe 51 and the air feeding ring cover 14, and the air quantity fed into the second air inlet 102 can be controlled by controlling the valve between the intermediate air pipe 51 and the air feeding ring cover 14. An upper air pipe 53 is connected between the distribution air box 5 and the third air ring 41, a valve is arranged between the upper air pipe 53 and the third air ring 41 and used for controlling the conduction of the upper air pipe 53 and the third air ring 41, and the air quantity sent into the third air inlet 42 from the distribution air box 5 can be controlled by controlling the valve between the upper air pipe 53 and the third air ring 41. The valves between the lower air pipe 52 and the first air inlet 15, the middle air pipe 51 and the air feeding ring cover 14 and the valves between the upper air pipe 53 and the third air ring 41 are arranged, so that the air quantity distributed to different first air inlets 15, second air inlets 102 and third air inlets 42 from the air outlet 16 can be distributed, and the air quantity of different air inlets can be better adjusted according to the actual combustion condition, so that the refuse derived fuel can be fully combusted.
Further, the utility model relates to a refuse derived fuel gasification burner, be provided with 2 valves that can not open simultaneously on the conveying pipe 3, the pay-off mode of fuel adopts the pay-off of sectional type promptly, the valve under the conveying pipe 3 is closed when the valve that sets up on the conveying pipe 3 is opened promptly, the corresponding valve under the conveying pipe 3 can be opened when the valve that sets up on the conveying pipe 3 is closed, can prevent to make the stove burning insufficient also can prevent to leak people's cold air or emit the normal gasification burning that the flue gas influences the gasifier owing to the back-burning or the pay-off speed that arouse too slowly when continuous pay-off, can control the effective stable combustion of the interior refuse derived fuel of stove effectively.
The principles and embodiments of the present invention have been explained herein using specific embodiments, and the above description of the examples is only used to help understand the method and its core ideas of the present invention. It should be noted that there are infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that various improvements, decorations or changes can be made without departing from the principles of the present invention, and the technical features can be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.
Claims (7)
1. The utility model provides a refuse derived fuel gasification burner, includes the furnace body, the furnace body lower part is provided with first income wind gap, and the furnace body middle part is provided with the second and goes into the wind gap, and furnace body upper portion is provided with out the burner, and first income wind gap top is provided with the grate in the furnace body, and furnace body side grate below is provided with first operation mouth, and furnace body side grate top is provided with second operation mouth, its characterized in that: an air heating cavity is arranged at the upper part of the furnace body, an air supply outlet is formed in one end of the air heating cavity and used for sending pressure air into the air heating cavity, an air outlet is connected to the other end, opposite to the air supply outlet, of the air heating cavity, and a distribution air box is connected between the air outlet and the first air inlet and between the air outlet and the second air inlet so that the air outlet can be communicated with the first air inlet and the second air inlet; the top of the furnace body is provided with a feeding pipe, and the feeding pipe penetrates through the air heating cavity and can feed fuel into the furnace body.
2. The gasification combustion device for refuse derived fuel as claimed in claim 1, wherein the fire outlet is provided with a third air inlet, a third air ring is provided at the third air inlet of the fire outlet, and the third air ring is communicated with the distribution air box through an upper air pipe.
3. The gasification combustion device for refuse derived fuel as claimed in claim 2, wherein the second air inlet is arranged along the circumferential direction of the furnace body, and an air feeding ring cover is arranged outside the second air inlet and communicates the distribution wind box with the second air inlet through a middle wind pipe.
4. The gasification combustion device for refuse derived fuel according to claim 3, wherein the air heating chamber is provided with a separation blade, the separation blade is vertically arranged, the lower part of the separation blade is fixedly connected with the lower part of the air heating chamber, and the separation blade is uniformly distributed in the air heating chamber.
5. The gasification combustion device for refuse derived fuel as claimed in claim 4, wherein said furnace body is provided with an observation window, and said observation window is located above said second air inlet.
6. The gasification combustion plant for refuse derived fuel according to any of claims 1 to 5, wherein a blast pipe is connected between said distribution wind box and said wind outlet; a lower air pipe is connected between the distribution air box and the first air inlet, and a valve is arranged between the lower air pipe and the first air inlet and used for controlling the conduction of the lower air pipe and the first air inlet; a middle air pipe is connected between the distribution air box and the air feeding ring cover, and a valve is arranged between the middle air pipe and the air feeding ring cover and used for controlling the conduction of the middle air pipe and the air feeding ring cover; an upper air pipe is connected between the distribution air box and the third air ring, and a valve is arranged between the upper air pipe and the third air ring and used for controlling the conduction of the distribution upper air pipe and the third air ring.
7. The gasification combustion device for refuse derived fuel according to claim 6, wherein said feeding pipe is provided with 2 valves which cannot be opened simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221808310.2U CN217763458U (en) | 2022-07-14 | 2022-07-14 | Gasification combustion device for refuse derived fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221808310.2U CN217763458U (en) | 2022-07-14 | 2022-07-14 | Gasification combustion device for refuse derived fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217763458U true CN217763458U (en) | 2022-11-08 |
Family
ID=83873073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221808310.2U Active CN217763458U (en) | 2022-07-14 | 2022-07-14 | Gasification combustion device for refuse derived fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217763458U (en) |
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2022
- 2022-07-14 CN CN202221808310.2U patent/CN217763458U/en active Active
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