CN218721540U - Waste grading pre-burning device - Google Patents
Waste grading pre-burning device Download PDFInfo
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- CN218721540U CN218721540U CN202223014060.8U CN202223014060U CN218721540U CN 218721540 U CN218721540 U CN 218721540U CN 202223014060 U CN202223014060 U CN 202223014060U CN 218721540 U CN218721540 U CN 218721540U
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- furnace body
- branch pipe
- incineration
- cylindrical upper
- opening
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- 239000002699 waste material Substances 0.000 title claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 27
- 238000002485 combustion reaction Methods 0.000 abstract description 10
- 239000008187 granular material Substances 0.000 abstract description 7
- 230000004069 differentiation Effects 0.000 abstract description 4
- 239000004568 cement Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a waste grading pre-burning device, which comprises a burning furnace body and a hot-blast pipe connected with the burning furnace body, wherein the burning furnace body comprises a lower furnace body, one side of the bottom of the lower furnace body is also provided with a discharge port, a furnace bed is arranged in the lower furnace body, the lowest end of the furnace bed is higher than the discharge port, an opening at one end of the hot-blast pipe is outwards provided with a first branch pipe, a second branch pipe and a third branch pipe, an opening at the end part of the first branch pipe is spliced at one side of the lower furnace body and is positioned above the highest end of the furnace bed, and one side of the lower furnace body is also provided with a lower feed port; the utility model discloses can carry out meticulous differentiation according to the granule and the quality of fuel, and then can distinguish earlier according to the size difference of fuel granule, then carry out the fractional combustion again, and then make the fuel can be in the incinerator uniform combustion in order to promote the utilization ratio of fuel by a wide margin.
Description
Technical Field
The utility model relates to a waste classification pre-incineration device.
Background
Along with the development strategy of carbon peak reaching and carbon neutralization proposed by the nation, the cement industry has to greatly improve the utilization rate of alternative fuels to be a necessary choice, the cement kiln is used for replacing fuel technical equipment and application, the improvement of the utilization rate of the alternative fuels in the cement industry has great urgent needs on the cement kiln for replacing the fuel technical equipment and application, and the alternative fuel equipment and technology are more and more widely applied in the cement industry.
At present, in the cement industry, alternative fuel technologies have different technical routes, and core equipment is also different in selection, wherein the technical route of 'a pre-incinerator and a decomposing furnace' is widely used, the alternative fuel enters a kiln system after being pre-incinerated by an incinerator, and ash after combustion is disposed by the cement kiln system.
However, the above technical route cannot control the particles and quality of the alternative fuel when in use, because the quality of the alternative fuel is generally low and the difference of the particle sizes is large, the alternative fuels with different sizes are often put into the incinerator together before incineration, so that the alternative fuels are not distinguished, the combustion process is rough, and because the combustion degrees of the alternative fuels with different sizes are different and are unevenly distributed in the incinerator, the utilization rate of the alternative fuel is inevitably low, and a waiting solution is needed.
SUMMERY OF THE UTILITY MODEL
To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that an ability is according to the granule and the quality of fuel go on meticulous differentiation and burn in order to promote the discarded object classification of fuel utilization ratio in advance to burn device is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a waste classification pre-incineration device comprises an incineration furnace body and a hot-blast pipe connected with the incineration furnace body, and is characterized in that the incineration furnace body comprises a lower furnace body, a discharge hole is formed in one side of the bottom of the lower furnace body, a furnace bed is arranged in the lower furnace body, the lowest end of the furnace bed is higher than the discharge hole, a first branch pipe, a second branch pipe and a third branch pipe are formed outwards at an opening at one end of the hot-blast pipe, an opening at the end part of the first branch pipe is inserted into one side of the lower furnace body and is located above the highest end of the furnace bed, a lower feed inlet is further formed in one side of the lower furnace body, and the lower feed inlet is arranged between the end part of the first branch pipe and the highest end of the furnace bed; the incinerator body still includes cylindrical upper furnace body, the bottom opening part sealing connection of cylindrical upper furnace body is at the open-top of furnace body down, the top of cylindrical upper furnace body still is equipped with feed inlet and raw material pipe, the second branch pipe with the tip opening part of third branch pipe all pegs graft in one side of cylindrical upper furnace body and all tangent with the inner wall of cylindrical upper furnace body.
Preferably, the cross section of the hearth is in a stepped shape, and the inclination angle of the hearth is 30-45 degrees.
Preferably, the bottom of the hearth is also provided with an air cleaning device, and the included angle between the air outlet direction of the air cleaning device and the horizontal direction is 0-45 degrees.
Preferably, a feeding device is further arranged at the opening at the end part of the lower feeding hole.
Preferably, the first branch pipe, the second branch pipe and the third branch pipe are further provided with a first gate valve, a second gate valve and a third gate valve respectively.
Compared with the prior art, the utility model has the advantages of: the utility model discloses can carry out meticulous differentiation according to the granule and the quality of fuel, and then can distinguish earlier according to the size difference of fuel granule, then carry out the fractional combustion again, and then make the fuel can be in the incinerator uniform combustion in order to promote the utilization ratio of fuel by a wide margin.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a top view structure diagram of the second branch pipe and the third branch pipe on the cylindrical upper furnace body.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.
As shown in figures 1-2, a waste grading pre-incineration device comprises an incineration furnace body and a hot air pipe (6) connected with the incineration furnace body, wherein the incineration furnace body comprises a lower furnace body (2-1), a discharge hole (1) is further formed in one side of the bottom of the lower furnace body (2-1), a hearth (10) is arranged in the lower furnace body (2-1), the lowest end of the hearth (10) is higher than the discharge hole (1), a first branch pipe (6-1), a second branch pipe (6-2) and a third branch pipe (6-3) are formed outwards at an opening at one end of the hot air pipe (6), an opening at the end of the first branch pipe (6-1) is inserted into one side of the lower furnace body (2-1) and located above the highest end of the hearth (10), a lower feed inlet (8) is further arranged at one side of the lower furnace body (2-1), and the lower feed inlet (8) is arranged between the end of the first branch pipe (6-1) and the highest end of the hearth (10); the incinerator body further comprises a cylindrical upper furnace body (2-2), the bottom opening of the cylindrical upper furnace body (2-2) is connected with the top opening of the lower furnace body (2-1) in a sealing mode, an upper feeding port (3) and a raw material pipe (4) are further arranged at the top of the cylindrical upper furnace body (2-2), and the end opening of the second branch pipe (6-2) and the end opening of the third branch pipe (6-3) are inserted into one side of the cylindrical upper furnace body (2-2) and tangent to the inner wall of the cylindrical upper furnace body (2-2).
The cross section of the furnace hearth (10) is in a step shape, and the inclination angle of the furnace hearth (10) is 30-45 degrees.
An air cleaning device (9) is also arranged at the bottom of the hearth (10), and the included angle between the air outlet direction of the air cleaning device (9) and the horizontal direction is 0-45 degrees.
A feeding device (7) is also arranged at the opening of the end part of the lower feeding hole (8).
The first branch pipe (6-1), the second branch pipe (6-2) and the third branch pipe (6-3) are respectively provided with a first gate valve (5-1), a second gate valve (5-2) and a third gate valve (5-3).
The working principle is as follows:
the end opening of the discharge port (1) is connected to one side of a decomposing furnace (11), the other end of the hot air pipe (6) is connected with a tertiary air pipe, the tertiary air pipe is used as a hot air source, and finally the end opening of the raw material pipe (4) is connected with a discharging pipe of a penultimate preheater in a cement kiln tail preheater so that raw materials enter a cylindrical upper furnace body (2-2).
According to the particle size and the mass of the waste, the waste is fed into the incinerator body through an upper feeding port (3) or a lower feeding port (8); if the waste is fine particles, the waste can enter the cylindrical upper furnace body (2-2) through the upper feeding port (3), then the second gate valve (5-2) or the third gate valve (5-3) is opened to lead hot air in the hot air pipe (6) to be introduced into the cylindrical upper furnace body (2-2) through the second branch pipe (6-2) or the third branch pipe (6-3), and further the hot air is fully mixed with the waste particles to achieve the purpose of pre-incineration, a small number of coarse particles can directly fall into the lower furnace body (2-1) and fall on the furnace bed (10) to continue to burn, and further the effect of 'graded pre-incineration' is achieved; in the above process, the second gate valve (5-2) and the third gate valve (5-3) can be opened together to make the hot air enter the cylindrical upper furnace body (2-2) at the maximum flow rate.
If the waste is coarse particles, the waste can enter the lower furnace body (2-1) through a lower feeding hole (8) by means of a feeding device (7), then fall to the highest end of a hearth (10) and move from high to low along the hearth (10) to burn, and in the process, a first gate valve (5-1) is opened to enable hot air to enter the lower furnace body (2-1) through a first branch pipe (6-1) to participate in the burning of the waste; during combustion, the air cleaning device (9) can be started to promote the moving speed of the waste on the hearth (10) and effectively prevent the occurrence of blockage, and the purging sequence and frequency of the air cleaning device (9) can be adjusted so that the retention time of the waste in the stepped hearth (10) can be controlled.
The utility model discloses can carry out meticulous differentiation according to the granule and the quality of fuel, and then can distinguish earlier according to the size difference of fuel granule, then carry out the fractional combustion again, and then make the fuel can be in the incinerator uniform combustion in order to promote the utilization ratio of fuel by a wide margin.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. A waste classification pre-incineration device comprises an incineration furnace body and a hot-blast pipe connected with the incineration furnace body, and is characterized in that the incineration furnace body comprises a lower furnace body, a discharge hole is formed in one side of the bottom of the lower furnace body, a furnace bed is arranged in the lower furnace body, the lowest end of the furnace bed is higher than the discharge hole, a first branch pipe, a second branch pipe and a third branch pipe are formed outwards at an opening at one end of the hot-blast pipe, an opening at the end part of the first branch pipe is inserted into one side of the lower furnace body and is located above the highest end of the furnace bed, a lower feed inlet is further formed in one side of the lower furnace body, and the lower feed inlet is arranged between the end part of the first branch pipe and the highest end of the furnace bed; the incinerator body still includes cylindrical upper furnace body, the bottom opening part sealing connection of cylindrical upper furnace body is at the open-top of furnace body down, the top of cylindrical upper furnace body still is equipped with feed inlet and raw material pipe, the second branch pipe with the tip opening part of third branch pipe all pegs graft in one side of cylindrical upper furnace body and all tangent with the inner wall of cylindrical upper furnace body.
2. The graded pre-incinerator according to claim 1, wherein said hearth is stepped in cross-sectional shape, and the inclination angle of said hearth is 30 ° to 45 °.
3. The waste classification pre-incineration device as claimed in claim 1, wherein an air cleaning device is further arranged at the bottom of the hearth, and an included angle between the air outlet direction of the air cleaning device and the horizontal direction is 0-45 °.
4. The waste grading pre-incinerator according to claim 1, characterized in that a feeding device is further arranged at the end opening of the lower feeding hole.
5. The waste classification pre-incineration device as claimed in claim 1, wherein the first branch pipe, the second branch pipe and the third branch pipe are further provided with a first gate valve, a second gate valve and a third gate valve, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014060.8U CN218721540U (en) | 2022-11-14 | 2022-11-14 | Waste grading pre-burning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014060.8U CN218721540U (en) | 2022-11-14 | 2022-11-14 | Waste grading pre-burning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218721540U true CN218721540U (en) | 2023-03-24 |
Family
ID=85616389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223014060.8U Active CN218721540U (en) | 2022-11-14 | 2022-11-14 | Waste grading pre-burning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218721540U (en) |
-
2022
- 2022-11-14 CN CN202223014060.8U patent/CN218721540U/en active Active
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Address after: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee after: Zhongcai International Intelligent Technology Co.,Ltd. Address before: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee before: NANJING KISEN INTERNATIONAL ENGINEERING Co.,Ltd. |