CN220127168U - Waste incineration fly ash quenching and tempering and granulating system - Google Patents
Waste incineration fly ash quenching and tempering and granulating system Download PDFInfo
- Publication number
- CN220127168U CN220127168U CN202321387547.2U CN202321387547U CN220127168U CN 220127168 U CN220127168 U CN 220127168U CN 202321387547 U CN202321387547 U CN 202321387547U CN 220127168 U CN220127168 U CN 220127168U
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- Prior art keywords
- fly ash
- bin
- waste incineration
- incineration fly
- mixing
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- 239000010881 fly ash Substances 0.000 title claims abstract description 64
- 238000004056 waste incineration Methods 0.000 title claims abstract description 22
- 238000005496 tempering Methods 0.000 title claims abstract description 5
- 238000010791 quenching Methods 0.000 title claims description 3
- 230000000171 quenching effect Effects 0.000 title claims description 3
- 238000002156 mixing Methods 0.000 claims abstract description 46
- 239000000654 additive Substances 0.000 claims abstract description 36
- 238000002844 melting Methods 0.000 claims abstract description 29
- 230000008018 melting Effects 0.000 claims abstract description 29
- 230000000996 additive effect Effects 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 230000003750 conditioning effect Effects 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000002956 ash Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000003825 pressing Methods 0.000 abstract description 5
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 11
- 238000012216 screening Methods 0.000 description 6
- 230000004927 fusion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006052 feed supplement Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a waste incineration fly ash tempering and granulating system, which relates to the technical field of waste incineration pollutant treatment and comprises the following components: the device comprises pneumatic conveying equipment, a fly ash bin, a mixing transfer bin, a dry ball pressing machine and a melting furnace, wherein the pneumatic conveying equipment, the fly ash bin, the mixing transfer bin, the dry ball pressing machine and the melting furnace are sequentially communicated, a plurality of additive bins are arranged between the fly ash bin and the mixing transfer bin, and discharge ports of the fly ash bin and the additive bins are communicated with a feed inlet of the mixing transfer bin; the mixing transfer bin is arranged in the utility model to provide a mixing place for the fly ash and a plurality of additives, to pre-mix the fly ash and a plurality of additives, to improve the mixing uniformity of the whole mixture, thereby being beneficial to improving the final treatment effect.
Description
Technical Field
The utility model relates to the technical field of treatment of waste incineration pollutants, in particular to a waste incineration fly ash conditioning and granulating system.
Background
With the acceleration of the development progress of China society, the urban household garbage discharge amount is increasingly increased, the incineration technology is a main means for treating household garbage, has the advantages of good volume reduction effect, thorough harmlessness, high recycling rate (utilization of incineration heat), high treatment efficiency and the like, but generates a large amount of fly ash in the incineration process, the garbage incineration fly ash is dangerous waste, the garbage incineration fly ash needs to be treated, the current common treatment mode is fusion treatment, for example, the system for the fusion treatment of the fly ash disclosed in the utility model patent application number is 201721656817.X, namely a thermal plasma fusion garbage incineration fly ash treatment system comprises a fly ash/additive-fly ash storage bin/additive storage bin-quantitative feeder-granulator-dividing wheel-plasma fusion device, the fly ash and the additive are respectively stored in the storage bin, enter the granulator through the quantitative feeder, then enter the plasma melting device through the dividing wheel, and are subjected to harmless and reduction treatment by utilizing the plasma melting device, but the fly ash and the additive are directly communicated into the granulator, the mixing path is shorter, the mixing uniformity is poor, the subsequent treatment effect is affected, and when the conventional granulator is selected, the fly ash and the additive are mixed into powder particles, a dry ball press suitable for powder granulation is often selected as the granulator in the field, but the inlet number of the conventional dry ball press is 1-2, and if various additives are required to be added, the inlet number of the dry ball press cannot be adapted, so that the application range is smaller.
Therefore, a waste incineration fly ash tempering and granulating system with high mixing uniformity and wide application range is needed.
Disclosure of Invention
The utility model aims to provide a waste incineration fly ash conditioning and granulating system, which solves the problems in the prior art, can pre-mix fly ash and additives through the arrangement of a mixing transfer station, improves mixing uniformity, can be used for adding various additives, does not need to be limited by the number of inlets of a dry ball press, and improves the application range.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a waste incineration fly ash conditioning and granulating system which comprises pneumatic conveying equipment, a fly ash bin, a mixing transit bin, a dry ball press and a melting furnace, wherein the pneumatic conveying equipment, the fly ash bin, the mixing transit bin, the dry ball press and the melting furnace are sequentially communicated, a plurality of additive bins are arranged between the fly ash bin and the mixing transit bin, and discharge ports of the fly ash bin and the additive bins are communicated with a feed inlet of the mixing transit bin.
Preferably, a sieving machine for the non-molded powder mixture under the sieve is arranged between the dry ball press and the melting furnace, and an under-sieve discharge channel of the sieving machine is communicated with the mixing transfer bin.
Preferably, the fly ash bin and the discharge port of the additive bin are both communicated with a weightless scale, and the discharge port of the weightless scale is communicated with the feed port of the mixing transfer bin through a screw conveyer.
Preferably, the fly ash bin, the bottom discharge port of the additive bin and the communicating pipeline of the weightless scale are provided with an electric control valve and a manual valve.
Preferably, a manual valve is arranged on a communicating pipeline between the mixing transfer bin and the dry ball press.
Preferably, the pneumatic conveying equipment is a bin pump, and an electric control valve and a manual valve are arranged on a communicating pipeline between the bin pump and an ash outlet of the garbage incinerator.
Preferably, the plurality of additive bins includes a silica bin and an alumina bin.
Preferably, the melting furnace is a resistance melting furnace.
Compared with the prior art, the utility model has the following technical effects:
1. the mixing transfer bin is arranged in the utility model to provide a mixing place for the fly ash and a plurality of additives, to pre-mix the fly ash and a plurality of additives, to improve the mixing uniformity of the whole mixture, thereby being beneficial to improving the final treatment effect.
2. According to the utility model, the unshaped powder granular mixture is conveyed back to the mixing transfer bin by the screening machine, and then enters the dry ball press again for pressing, so that the problem that the air circulation is blocked and the melting effect is affected due to the fact that the powder granular mixture directly enters the melting furnace is avoided.
3. According to the utility model, the proportion between the fly ash and each additive can be accurately controlled through the weightless scale, so that the treatment effect on the fly ash is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a system diagram of a waste incineration fly ash conditioning and granulating system of the utility model;
1, a garbage incinerator; 2. a bin pump; 3. a fly ash bin; 4. a silica bin; 5. an alumina bin; 6. a mixing transfer bin; 7. a dry ball press; 8. a sieving machine; 9. a resistance melting furnace; 10. weight loss balance; 11. a screw conveyor; 12. a manual gate valve; 13. a discharge valve; 14. and (3) a feeding rotary valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a waste incineration fly ash conditioning and granulating system, which solves the problems in the prior art, can pre-mix fly ash and additives through the arrangement of a mixing transfer station, improves mixing uniformity, can be used for adding various additives, is not limited by the number of inlets of a dry ball press, and improves the application range.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1, a system for conditioning and granulating waste incineration fly ash is provided, which comprises a pneumatic conveying device, a fly ash bin 3, a mixing transfer bin 6, a dry ball press 7 and a melting furnace which are sequentially communicated, wherein an air inlet of the pneumatic conveying device is communicated with an ash outlet of the waste incinerator 1 and is used for conveying the waste incineration fly ash by utilizing air flow, the mixing transfer bin 6 is used for providing a premixing function, a stirring device can be arranged in the mixing transfer bin 6 to improve the mixing effect, a plurality of additive bins are arranged between the fly ash bin 3 and the mixing transfer bin 6, discharge outlets of the fly ash bin 3 and the additive bins are communicated with a feed inlet of the mixing transfer bin 6, the mixing transfer bin 6 is used for providing a mixing place for the fly ash and a plurality of additives, premixing is provided for the fly ash and a plurality of additives, the mixing uniformity of the whole mixture is improved, the final treatment effect is improved, in addition, the mixing transfer bin 6 can be used for adding a plurality of additives without being limited by the number of inlets of the dry ball press 7, and the application range of the system is improved.
Be provided with screening machine 8 between dry-type ball press 7 and the melting furnace, its sieve mesh size is less than fashioned globule piece size, is greater than the size of powder particulate matter, aim at the not fashioned powder mixture of screening down can, screening machine 8's screen cloth discharge channel is linked together with compounding transfer storehouse 6, utilize screening machine 8 to carry back the powder particulate mixture of non-shaping into compounding transfer storehouse 6 again, and then get into dry-type ball press 7 again and press, avoid appearing powder particulate mixture directly entering the melting furnace in, cause the problem that hinders the air circulation and influence the melting effect.
The undersize discharge channel can be a funnel-shaped groove body arranged below the screen, and the groove body is communicated with the mixing transfer bin 6 through a bucket elevator.
The discharge ports of the fly ash bin 3 and the additive bin are communicated with a weightless balance 10, the discharge port of the weightless balance 10 is communicated with the feed port of a mixing transfer bin 6 through a screw conveyor 11, and the proportion between fly ash and each additive can be accurately controlled by controlling the rotation speed of the weightless balance 10 and the screw conveyor 11, so that the treatment effect on the fly ash is improved.
The fly ash storehouse 3 and the bottom discharge gate of additive storehouse and weightlessness balance 10 all are provided with automatically controlled valve and manual valve on the communicating pipe way, along the material delivery route, the manual valve is located the automatically controlled valve the place ahead, automatically controlled valve can cooperate the high low charge level indicator in the weightlessness balance 10 to realize automatic feed supplement, the charge level reaches low charge level timing promptly, automatically controlled valve is opened, the internal material of storehouse relies on self gravity to enter into in the weightlessness balance 10, the charge level reaches high charge level timing, automatically controlled valve is closed, the manual valve then is in the normally open state, when need maintain the change to the automatically controlled valve, close the manual valve, this automatically controlled valve is discharge valve 13.
A manual valve is arranged on a communicating pipeline between the mixing transfer bin 6 and the dry ball press 7, and the current mixture conveying can be opened or closed through the manual valve.
The pneumatic conveying equipment is a bin pump 2, an electric control valve and a manual valve are arranged on a communicating pipeline between the bin pump 2 and an ash outlet of the garbage incinerator 1, the manual valve is positioned in front of the electric control valve along a material conveying path, the electric control valve is mainly used for automatically controlling feeding, the manual valve is in a normally open state, and when the electric control valve needs to be maintained and replaced, the manual valve is closed, and the electric valve is a feeding rotary valve 14.
The manual valve at each position can be a manual gate valve 12.
The plurality of additive bins in the embodiment comprise a silica bin 4 and an alumina bin 5, and other types of additive bin bodies can be added according to actual needs.
The melting furnace may be selected from a resistance melting furnace 9 or other types of melting furnaces such as an arc melting furnace, a plasma melting furnace, a surface melting furnace, an internal melting furnace, etc.
In the actual use process, fly ash generated by garbage incineration is conveyed into a fly ash bin 3 by a bin pump 2, fly ash in the fly ash bin 3, silica in a silica bin 4 and alumina in an alumina bin 5 are respectively quantitatively conveyed into a mixing transfer station through a weightless scale 10 and a screw conveyor 11 according to a certain proportion, all materials are primarily mixed in the mixing transfer station, after the mixing is finished, the materials are conveyed into a dry ball press 7 for shaping and pressing, after the pressed and molded materials are screened by a screening machine 8, the non-molded powder granular materials are conveyed into a resistance melting furnace 9 for melting treatment, and the screened non-molded powder granular materials enter the mixing transfer station again for waiting pressing.
The adaptation to the actual need is within the scope of the utility model.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. The utility model provides a waste incineration fly ash quenching and tempering and granulation system, its characterized in that includes pneumatic conveying equipment, the flying ash storehouse that is used for carrying waste incineration fly ash, provides the compounding transfer storehouse, dry-type ball press and the melting furnace of premixing function that communicate in proper order, the flying ash storehouse with be provided with a plurality of additive storehouse between the compounding transfer storehouse, flying ash storehouse the discharge gate in additive storehouse all with the feed inlet in compounding transfer storehouse is linked together.
2. The waste incineration fly ash conditioning and granulating system according to claim 1, wherein a sieving machine for the undersize non-formed powdery mixture is arranged between the dry ball press and the melting furnace, and an undersize discharge channel of the sieving machine is communicated with the mixing transfer bin.
3. The system for conditioning and granulating the waste incineration fly ash according to claim 1, wherein the fly ash bin and the discharge port of the additive bin are both communicated with a weightless scale, and the discharge port of the weightless scale is communicated with the feed port of the mixing transfer bin through a screw conveyor.
4. The system for conditioning and granulating waste incineration fly ash according to claim 3, wherein the fly ash bin, the bottom discharge port of the additive bin and the communicating pipeline of the weightless scale are respectively provided with an electric control valve and a manual valve.
5. The waste incineration fly ash conditioning and granulating system according to claim 1, wherein a manual valve is arranged on a communicating pipeline between the mixing material transfer bin and the dry ball press.
6. The system for conditioning and granulating waste incineration fly ash according to claim 1, wherein the pneumatic conveying equipment is a bin pump, and an electric control valve and a manual valve are arranged on a communicating pipeline between the bin pump and an ash outlet of the waste incinerator.
7. The waste incineration fly ash conditioning and granulating system according to claim 1, wherein the plurality of additive bins comprise a silica bin and an alumina bin.
8. The waste incineration fly ash conditioning and granulating system according to claim 1, wherein the melting furnace is a resistance melting furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321387547.2U CN220127168U (en) | 2023-06-02 | 2023-06-02 | Waste incineration fly ash quenching and tempering and granulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321387547.2U CN220127168U (en) | 2023-06-02 | 2023-06-02 | Waste incineration fly ash quenching and tempering and granulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220127168U true CN220127168U (en) | 2023-12-05 |
Family
ID=88958248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321387547.2U Active CN220127168U (en) | 2023-06-02 | 2023-06-02 | Waste incineration fly ash quenching and tempering and granulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220127168U (en) |
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2023
- 2023-06-02 CN CN202321387547.2U patent/CN220127168U/en active Active
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