CN210463017U - System for pulverized coal boiler burns rubbish in mixing - Google Patents
System for pulverized coal boiler burns rubbish in mixing Download PDFInfo
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- CN210463017U CN210463017U CN201921437697.3U CN201921437697U CN210463017U CN 210463017 U CN210463017 U CN 210463017U CN 201921437697 U CN201921437697 U CN 201921437697U CN 210463017 U CN210463017 U CN 210463017U
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Abstract
The utility model discloses a pulverized coal boiler system for mixing and burning garbage, which comprises a garbage storage and feeding system, a sorting system, a garbage crushing system, a garbage pyrolysis system, a pulverized coal furnace hearth, a pulverized coal boiler pulverizing and feeding system and a pulverized coal boiler pulverizing and feeding system outlet primary air pipe; the export of rubbish storage and feed system is linked together with the entry of sorting system, the export of sorting system is linked together with the entry of the broken system of rubbish, the export of the broken system of rubbish is linked together with the entry of rubbish pyrolysis system, the pyrolysis gas outlet of rubbish pyrolysis system is linked together with buggy stove furnace, the pyrolysis solid product export of rubbish pyrolysis system is linked together with buggy boiler powder process and feed system's entry, buggy boiler powder process and feed system export primary air pipe is linked together with buggy stove furnace, this system can burn rubbish on buggy boiler, realize the minimizing and the resourceization of rubbish.
Description
Technical Field
The utility model belongs to the technical field of msw incineration, a pulverized coal boiler mixes system of burning rubbish is related to.
Background
With the advance of the national urbanization process, the urban garbage is more and more, the phenomenon of enclosing the city with the garbage occurs in many areas, the urban development is severely restricted, and the garbage disposal becomes a focus problem. At present, landfill is the main garbage disposal method in China, soil pollution, underground water pollution and surrounding atmospheric environment pollution are easily caused, and garbage incineration is increasingly regarded as a recycling and reduction treatment mode. The traditional waste incineration method comprises grate furnace incineration, fluidized bed furnace incineration and the like, and because the temperature level (900 ℃) of a hearth is limited, the discharged flue gas contains dioxin which is a highly toxic substance and can affect the environment. The temperature of the hearth of the pulverized coal furnace is up to 1300-1500 ℃, the retention time is up to more than 3s, the dioxin and the precursor can be completely decomposed, the generation of the dioxin can be effectively restrained, and in addition, the tail smoke of the pulverized coal boiler is provided with a complete smoke purification system, so that the problem of other pollution emission can be effectively solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a pulverized coal boiler mixes system of burning rubbish, this system can burn rubbish on pulverized coal boiler, realizes minimizing and the resourceization of rubbish.
In order to achieve the above purpose, the system for mixing and burning garbage for pulverized coal fired boiler of the present invention comprises a garbage storage and feeding system, a sorting system, a garbage crushing system, a garbage pyrolysis system, a pulverized coal furnace hearth, a pulverized coal fired boiler pulverizing and feeding system, and a pulverized coal fired boiler pulverizing and feeding system outlet primary air pipe;
the export of rubbish storage and feed system is linked together with the entry of sorting system, the export of sorting system is linked together with the entry of the broken system of rubbish, the export of the broken system of rubbish is linked together with the entry of rubbish pyrolysis system, the pyrolysis gas outlet of rubbish pyrolysis system is linked together with buggy furnace, the pyrolysis solid product export of rubbish pyrolysis system is linked together with buggy boiler powder process and feed system's entry, buggy boiler powder process and feed system export primary air pipe are linked together with buggy furnace.
The outlet of the garbage storage and feeding system is communicated with the inlet of the sorting system through a first garbage conveying system;
the outlet of the sorting system is communicated with the inlet of the garbage crushing system through a second garbage conveying system;
the outlet of the garbage crushing system is communicated with the inlet of the garbage pyrolysis system through a third garbage conveying system.
And a pyrolysis gas outlet of the garbage pyrolysis system is communicated with a hearth of the pulverized coal furnace through a pyrolysis gas product conveying system.
The pyrolysis solid product outlet of the garbage pyrolysis system is communicated with the inlet of the coal powder making and feeding system of the pulverized coal boiler through a pyrolysis solid product conveying system;
the pyrolysis gas product conveying system is a newly-built conveying system or a primary air system of a pulverized coal boiler or a secondary air system of the pulverized coal boiler.
And the flue gas treatment system is communicated with an outlet of the pulverized coal furnace hearth.
The utility model discloses following beneficial effect has:
pulverized coal fired boiler mix the system of burning rubbish when concrete operation, through sorting out rubbish, in order to get rid of incombustible material, then carry out the breakage, make rubbish particle size satisfy the requirement of rubbish pyrolysis system, reentrant carries out the pyrolysis in the rubbish pyrolysis system, wherein, the pyrolysis gas that the pyrolysis produced directly sends into pulverized coal furnace and burns in the furnace, the pyrolysis solid that the pyrolysis produced then enters into pulverized coal fired boiler powder process and feed system and handles, and finally send into pulverized coal furnace through pulverized coal fired boiler powder process and the export primary air duct of feed system and burn in the furnace, in order to realize burning rubbish on pulverized coal fired boiler, realize the minimizing and the resourceization of rubbish then.
Further, the utility model discloses still include the flue gas processing system who is linked together with pulverized coal furnace's export, can decompose the dioxin and the precursor that generate in the combustion process, effectively suppressed the generation of dioxin and solved the emission problem of other pollutants of msw incineration process, realize the resourceization and the minimizing of rubbish.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
Wherein, 1 is rubbish storage and feed system, 21 is first rubbish conveying system, 22 is second rubbish conveying system, 23 is third rubbish conveying system, 3 is the sorting system, 4 is broken system of rubbish, 5 is the rubbish pyrolysis system, 6 is pyrolysis gaseous product conveying system, 7 is buggy stove furnace, 8 is pyrolysis solid product conveying system, 9 is buggy boiler powder process and feed system, 10 is buggy boiler powder process and feed system export primary air pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the system for blending and burning garbage in a pulverized coal boiler of the present invention includes a garbage storage and feeding system 1, a sorting system 3, a garbage crushing system 4, a garbage pyrolysis system 5, a pulverized coal furnace 7, a pulverized coal boiler pulverizing and feeding system 9, and a pulverized coal boiler pulverizing and feeding system outlet primary air pipe 10; the export of rubbish storage and feed system 1 is linked together with the entry of sorting system 3, the export of sorting system 3 is linked together with the entry of the broken system 4 of rubbish, the export of the broken system 4 of rubbish is linked together with the entry of rubbish pyrolysis system 5, the pyrolysis gas outlet of rubbish pyrolysis system 5 is linked together with buggy furnace hearth 7, the pyrolysis solid product export of rubbish pyrolysis system 5 is linked together with pulverized coal boiler powder process and feed system 9's entry, pulverized coal boiler powder process and feed system export primary air pipe 10 is linked together with buggy furnace hearth 7. The utility model discloses still include the flue gas processing system who is linked together with the export of buggy stove furnace 7.
The outlet of the garbage storage and feeding system 1 is communicated with the inlet of the sorting system 3 through a first garbage conveying system 21; the outlet of the sorting system 3 is communicated with the inlet of the garbage crushing system 4 through a second garbage conveying system 22; the outlet of the waste crushing system 4 is in communication with the inlet of the waste pyrolysis system 5 via a third waste transport system 23.
A pyrolysis gas outlet of the garbage pyrolysis system 5 is communicated with a pulverized coal furnace hearth 7 through a pyrolysis gas product conveying system 6; and a pyrolysis solid product outlet of the garbage pyrolysis system 5 is communicated with an inlet of a pulverized coal boiler pulverizing and feeding system 9 through a pyrolysis solid product conveying system 8.
The pyrolysis gas product conveying system 6 is a newly-built conveying system or utilizes an original primary air system of a pulverized coal boiler or an original secondary air system of the pulverized coal boiler.
The utility model discloses a concrete working process does:
the garbage output by the garbage storage and feeding system 1 is fed into the sorting system 3 through the first garbage conveying system 21, incombustible substances (metal blocks and the like) are separated from the garbage, the sorted garbage enters the garbage crushing system 4 through the second garbage conveying system 22, the garbage is crushed into small particles through the garbage crushing system 4, then the small particles are fed into the garbage pyrolysis system 5 through the third garbage conveying system 23 for pyrolysis, wherein pyrolysis gas generated by the garbage pyrolysis system 5 is fed into the pulverized coal furnace hearth 7 through the pyrolysis gas product conveying system 6 for incineration, pyrolysis solid generated by the garbage pyrolysis system 5 is fed into the pulverized coal boiler pulverizing and feeding system 9 through the pyrolysis solid product conveying system 8, and finally the pulverized coal boiler pulverizing and feeding system 9 is fed into the pulverized coal furnace hearth 7 through the primary air duct 10 at the outlet of the pulverized coal boiler pulverizing and feeding system 9 for incineration so as to realize the resource utilization and reduction treatment of the garbage, the temperature of the pulverized coal furnace hearth 7 is up to 1300-1500 ℃, the retention time of the garbage in the pulverized coal furnace hearth 7 is more than 3s, and tail gas generated by garbage combustion enters a flue gas purification system for treatment.
Claims (6)
1. A pulverized coal boiler garbage mixing and burning system is characterized by comprising a garbage storage and feeding system (1), a sorting system (3), a garbage crushing system (4), a garbage pyrolysis system (5), a pulverized coal furnace hearth (7), a pulverized coal boiler pulverizing and feeding system (9) and a pulverized coal boiler pulverizing and feeding system outlet primary air pipe (10);
the export of rubbish storage and feed system (1) is linked together with the entry of sorting system (3), the export of sorting system (3) is linked together with the entry of rubbish crushing system (4), the export of rubbish crushing system (4) is linked together with the entry of rubbish pyrolysis system (5), the pyrolysis gas outlet and buggy stove furnace (7) of rubbish pyrolysis system (5) are linked together, the pyrolysis solid product export of rubbish pyrolysis system (5) is linked together with the entry of buggy boiler powder process and feed system (9), buggy boiler powder process and feed system export primary air pipe (10) are linked together with buggy stove furnace (7).
2. The pulverized coal fired boiler co-combustion waste system as defined in claim 1, wherein the outlet of the waste storage and feeding system (1) is communicated with the inlet of the sorting system (3) via a first waste conveying system (21);
the outlet of the sorting system (3) is communicated with the inlet of the garbage crushing system (4) through a second garbage conveying system (22);
the outlet of the garbage crushing system (4) is communicated with the inlet of the garbage pyrolysis system (5) through a third garbage conveying system (23).
3. The pulverized coal fired boiler co-combustion waste system as defined in claim 1, wherein the pyrolysis gas outlet of the waste pyrolysis system (5) is communicated with the pulverized coal fired boiler furnace (7) through the pyrolysis gas product conveying system (6).
4. The pulverized coal boiler co-combustion garbage system as defined in claim 1, wherein the pyrolysis solid product outlet of the garbage pyrolysis system (5) is communicated with the inlet of the pulverized coal boiler pulverizing and feeding system (9) through a pyrolysis solid product conveying system (8).
5. The pulverized coal fired boiler waste blending system according to claim 1, characterized in that the pyrolysis gas product conveying system (6) is a newly built conveying system or utilizes a primary air system of the pulverized coal fired boiler or a secondary air system of the pulverized coal fired boiler.
6. The pulverized coal fired boiler system for co-firing of refuse according to claim 1, further comprising a flue gas treatment system in communication with the outlet of the pulverized coal fired boiler furnace (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437697.3U CN210463017U (en) | 2019-08-30 | 2019-08-30 | System for pulverized coal boiler burns rubbish in mixing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921437697.3U CN210463017U (en) | 2019-08-30 | 2019-08-30 | System for pulverized coal boiler burns rubbish in mixing |
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| CN210463017U true CN210463017U (en) | 2020-05-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425540A (en) * | 2019-08-30 | 2019-11-08 | 西安西热锅炉环保工程有限公司 | A kind of pulverized-coal fired boiler mixes the system and method for burning rubbish |
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2019
- 2019-08-30 CN CN201921437697.3U patent/CN210463017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425540A (en) * | 2019-08-30 | 2019-11-08 | 西安西热锅炉环保工程有限公司 | A kind of pulverized-coal fired boiler mixes the system and method for burning rubbish |
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