CN210485735U - System for be used for rubbish flying dust and filtration liquid to deal with in coordination - Google Patents
System for be used for rubbish flying dust and filtration liquid to deal with in coordination Download PDFInfo
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- CN210485735U CN210485735U CN201921276774.1U CN201921276774U CN210485735U CN 210485735 U CN210485735 U CN 210485735U CN 201921276774 U CN201921276774 U CN 201921276774U CN 210485735 U CN210485735 U CN 210485735U
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- fly ash
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- melting chamber
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 41
- 239000000428 dust Substances 0.000 title claims abstract description 29
- 238000001914 filtration Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 title claims abstract description 13
- 239000010881 fly ash Substances 0.000 claims abstract description 59
- 230000008018 melting Effects 0.000 claims abstract description 59
- 238000002844 melting Methods 0.000 claims abstract description 59
- 238000004056 waste incineration Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000746 purification Methods 0.000 claims abstract description 10
- 239000002699 waste material Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 238000001704 evaporation Methods 0.000 claims description 22
- 230000008020 evaporation Effects 0.000 claims description 19
- 239000002893 slag Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 2
- 238000011278 co-treatment Methods 0.000 claims 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003546 flue gas Substances 0.000 abstract description 12
- 239000011521 glass Substances 0.000 abstract description 4
- 230000004927 fusion Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000002910 solid waste Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000013505 freshwater Substances 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 210000004127 vitreous body Anatomy 0.000 description 1
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- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model provides a system for be used for rubbish flying dust and filtration liquid to deal with in coordination, including the msw incineration system, its characterized in that: the device comprises a fly ash melting furnace and a burner for heating the fly ash melting furnace, wherein the inlet of the fly ash melting furnace is respectively connected with the outlet of a dust remover and the concentrated water outlet of a percolate purification device, and the outlet of the fly ash melting furnace is connected with the inlet of a waste incineration boiler. On one hand, the utility model can melt and convert the garbage fly ash into glass state, so that the garbage fly ash is changed from dangerous waste into general solid waste; on the other hand, leachate generated by garbage storage can be treated, and meanwhile, flue gas generated by fly ash fusion can also reach the emission standard. The efficiency of refuse treatment is improved, effectively avoided the concentrated water directly to get into the influence that the msw incineration system led to the fact to burning the burning furnace steadily, and the treatment effect is more thorough, is favorable to environmental protection.
Description
Technical Field
The utility model relates to a system for be used for rubbish flying dust and filtration liquid to deal with in coordination belongs to the useless processing field of danger.
Background
The garbage incineration can realize the treatment targets of volume reduction, resource utilization and harmlessness of the garbage, and is a preferred method for garbage treatment. The current widely used waste incineration process is shown in the attached figure 1: the garbage in the garbage storage 21 enters a garbage incineration boiler 23 for combustion, and the smoke generated after combustion passes through a dust remover 24 and a smoke purification device 25 to remove pollutants in the smoke, and is discharged through a chimney 26 after reaching the standard.
After the domestic garbage is incinerated, the incineration fly ash which is 2-5% of the mass of the original garbage is generated and captured by the dust remover 24. Compared with the bottom slag, the fly ash contains more mercury, lead, chromium and other various volatile heavy metals and dioxin and other highly toxic organic components. Relevant regulations and regulations in China: the garbage fly ash belongs to dangerous waste and needs to be specially treated. The conventional methods include cement solidification, chemical treatment, and melt solidification. The melting and solidifying method utilizes two modes of combustion heat and electric heating of fuel, organic matters in the fly ash are subjected to thermal decomposition, combustion and gasification under the condition of high temperature (1300 ℃), and inorganic matters are melted into vitreous slag. SiO2 in the ash forms a Si-O network structure in the melting treatment, the metal transferred into the slag is solidified in the grid to form extremely stable glass slag, and the possibility of heavy metal elution is greatly reduced. After the fly ash is melted, the density of the fly ash is greatly increased, the volume reduction of the fly ash can be more than 2/3, and the possibility of dioxin release from the garbage fly ash is eliminated. And the slag can be used as roadbed material, thereby achieving the purpose of effective utilization.
In a waste incineration plant, the waste to be incinerated may seep a lot of percolate during storage. The proportion of the general percolate in the garbage entering the factory is about 13 to 28 percent. The water quality of the leachate is quite complex and generally contains high-concentration organic matters, heavy metal salts and the like. The currently common treatment method is to divide the landfill leachate into concentrated water and fresh water by a pretreatment device 22, wherein the fresh water is discharged after reaching the standard, and the concentrated water enters a waste incineration boiler 23 for incineration. However, excessive concentrated water entering the garbage incinerator may affect the stable combustion of the garbage incinerator.
Disclosure of Invention
The utility model aims at: the system for the cooperative treatment of the garbage fly ash and the leachate is provided, and the leachate generated by garbage storage can be treated while the garbage fly ash is molten and converted into a glass state.
In order to solve the technical problem, the technical scheme of the utility model a system for be used for rubbish flying dust and filtration liquid to deal with in coordination is provided, including the msw incineration system, the msw incineration system includes the rubbish storage bin, and filtration liquid purifier's entry and the entry of msw incineration boiler are connected respectively in the export in rubbish storage bin, the entry of the exit linkage dust remover of msw incineration boiler, the exit linkage gas cleaning device's of dust remover entry, gas cleaning device's exit linkage chimney, its characterized in that: the device comprises a fly ash melting furnace and a burner for heating the fly ash melting furnace, wherein the inlet of the fly ash melting furnace is respectively connected with the outlet of a dust remover and the concentrated water outlet of a percolate purification device, and the outlet of the fly ash melting furnace is connected with the inlet of a waste incineration boiler.
Preferably, the fly ash melting furnace comprises a melting chamber and an evaporation chamber, the bottoms of the melting chamber and the evaporation chamber are communicated with each other, the burner is arranged at the top of the melting chamber, the bottom of the melting chamber is provided with a slag pool for storing melted fly ash, the outlet of the dust remover is connected with the inlet of the melting chamber, the concentrated water outlet of the percolate purification device is connected with the inlet of the evaporation chamber, and the outlet of the evaporation chamber is connected with the inlet of the waste incineration boiler.
Preferably, a fly ash storage bin is arranged between the dust remover and the melting chamber, an outlet of the fly ash storage bin is provided with an air-powder mixer for guiding the fly ash into the melting chamber, and an outlet of the air-powder mixer is connected with an inlet of the melting chamber.
Preferably, the burner is a swirl burner.
Preferably, the direction of rotation of the gas flow of the burner is along the inner side wall of the melting chamber.
Preferably, the melting chamber is a cylindrical container, and the direction of a fly ash inlet on the melting chamber is tangential to the wall of the melting chamber.
Preferably, a spray head is arranged at one end of the concentrated water outlet connected with the evaporation chamber.
Preferably, the inlet for connecting the waste incineration boiler and the evaporation chamber is arranged in a high temperature area of the waste incineration boiler or a low temperature area of the waste incineration boiler.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to a system for rubbish flying dust and filtration liquid are dealt with in coordination, can melt rubbish flying dust and turn into the glass state on the one hand, make it change from danger useless to general solid useless; on the other hand, leachate generated by garbage storage can be treated, and meanwhile, flue gas generated by fly ash fusion can also reach the emission standard. The fly ash generated by burning the garbage and the leachate generated by storing the garbage are treated at one time by the same system, so that the garbage treatment efficiency is improved.
The utility model discloses a filtration liquid processing system gets into the msw incineration system again after evaporation treatment with dense water and carries out incineration disposal, has effectively avoided dense water directly to get into the msw incineration system and has surely burnt the influence that causes to burning furnace, and the treatment effect is more thorough, is favorable to environmental protection.
Drawings
FIG. 1 shows a conventional incineration process of household garbage.
Fig. 2 is a process flow diagram of a system for co-processing of garbage fly ash and leachate according to the present invention.
FIG. 3 is a schematic view of the inlet direction of the fly ash stream on the melting chamber.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
The utility model relates to a system for rubbish flying dust handles with filtration liquid in coordination, as shown in figure 2, including rubbish warehouse 1, filtration liquid purifier 2, msw incineration boiler 3, dust remover 4, gas cleaning device 5, chimney 6, flying dust melting furnace 7, combustor 8, flying dust warehouse 9, wind powder blender 10 and slag bath 11. The fly ash melting furnace 7 is composed of two heat-insulating cylindrical containers, one is a melting chamber 71, the other is an evaporation chamber 72, and the bottoms of the melting chamber 71 and the evaporation chamber 72 are connected through a flue. The outlet of the garbage storage bin 1 is respectively connected with the inlet of the percolate purification device 2 and the inlet of the garbage incineration boiler 3, the outlet of the garbage incineration boiler 3 is connected with the inlet of the dust remover 4, the outlet of the dust remover 4 is connected with the inlet of the flue gas purification device 5, the outlet of the flue gas purification device 5 is connected with the chimney 6, the outlet of the dust remover 4 is connected with the inlet of the fly ash storage bin 9, the outlet of the fly ash storage bin 9 is provided with an air-powder mixer 10 for guiding the fly ash into the melting chamber 71, and the outlet of the air-powder mixer 10 is connected with the inlet of the melting chamber 71. The top of the melting chamber 71 is provided with a burner 8, the burner 8 is a cyclone burner, the fuel of the burner 8 can be gas, oil, low ash fusion point coal powder or other combustible substances, and the airflow rotating direction of the burner 8 is along the side wall of the melting chamber 71.
The bottom of the melting chamber 71 is provided with a slag pool 11 for storing the melted fly ash. The concentrated water outlet 12 of the percolate purification device 2 is connected with the inlet of the evaporation chamber 72, and the outlet of the evaporation chamber 72 is connected with the inlet of the waste incineration boiler 3. According to the temperature and flow of the flue gas, the inlet of the waste incineration boiler 3 connected with the outlet of the evaporation chamber 72 can be arranged in the high temperature area of the waste incineration boiler 3, and can also be arranged in the low temperature area of the waste incineration boiler 3.
The whole system operates as follows: the upper part of the melting chamber 71 is heated by the burner 8, so that the temperature in the heat-insulating melting chamber 71 reaches over 1300 ℃, and the fly ash is ensured to be melted after entering the melting chamber. The fly ash captured by the dust collector 4 enters the fly ash storage 9, is guided by the air-powder mixer 10 to tangentially enter the melting chamber 71 under the drive of hot air 14, and rotates in the melting chamber 71. The fly ash particles are thrown to the wall of the hot melting chamber 71 under the driving of the rotating airflow and are melted. The slag flows into the slag pool 11 along the wall of the cylinder and is chilled to form vitreous body. The high temperature flue gas generated in the melting chamber 71 enters the evaporation chamber 72 through the connecting flue. When entering the melting chamber 71, the fly ash airflow enters tangentially, and forms a rotating airflow in the melting chamber 71, and the rotating direction of the airflow is the same as that of the rotating air of the flue gas at the outlet of the burner 8. FIG. 3 is a schematic representation of one way of introducing the fly ash stream into the melting chamber.
The leachate that the refuse storage produced, after filtration liquid purifier 2 preliminary treatment, divide into dense water and fresh water, the fresh water is discharge up to standard, and shower nozzle 15 is installed to the one end that dense water export 12 and evaporating chamber 72 are connected, and dense water spouts into evaporating chamber 72 through shower nozzle 15, evaporates after contacting with the high temperature flue gas in the evaporating chamber 72, and high temperature flue gas temperature also descends by a wide margin simultaneously. The high-temperature flue gas in the evaporation chamber 72 evaporates the percolate while cooling, and the cooled flue gas is introduced into the waste incineration boiler 3 and purified by the flue gas purification device 5 of the incineration system to be discharged up to the standard.
Claims (8)
1. The utility model provides a system for be used for rubbish flying dust and filtration liquid to deal with in coordination, includes the msw incineration system, the msw incineration system includes waste storage storehouse (1), and the entry of filtration liquid purifier (2) and the entry of msw incineration boiler (3) are connected respectively to the export of waste storage storehouse (1), the entry of the exit linkage dust remover (4) of msw incineration boiler (3), the entry of the exit linkage gas cleaning device (5) of dust remover (4), exit linkage chimney (6) of gas cleaning device (5), its characterized in that: the device comprises a fly ash melting furnace (7) and a burner (8) for heating the fly ash melting furnace (7), wherein the inlet of the fly ash melting furnace (7) is respectively connected with the outlet of a dust remover (4) and the concentrated water outlet (12) of a percolate purification device (2), and the outlet of the fly ash melting furnace (7) is connected with the inlet of a waste incineration boiler (3).
2. The system of claim 1, wherein the system further comprises a filter for co-treatment of landfill fly ash with leachate: the fly ash melting furnace (7) comprises a melting chamber (71) and an evaporation chamber (72) with the bottoms communicated with each other, a burner (8) is arranged at the top of the melting chamber (71), a slag pool (11) for storing melted fly ash is arranged at the bottom of the melting chamber (71), an outlet of the dust remover (4) is connected with an inlet of the melting chamber (71), a concentrated water outlet (12) of the percolate purifying device (2) is connected with an inlet of the evaporation chamber (72), and an outlet of the evaporation chamber (72) is connected with an inlet of the garbage incineration boiler (3).
3. The system of claim 2, wherein the system further comprises a filter for co-treatment of landfill fly ash and leachate: a fly ash storage bin (9) is arranged between the dust remover (4) and the melting chamber (71), an air-powder mixer (10) used for guiding the fly ash into the melting chamber (71) is arranged at an outlet of the fly ash storage bin (9), and an outlet of the air-powder mixer (10) is connected with an inlet of the melting chamber (71).
4. The system of claim 2, wherein the system further comprises a filter for co-treatment of landfill fly ash and leachate: the burner (8) is a cyclone burner.
5. The system of claim 4, wherein the landfill fly ash is co-disposed with leachate: the direction of rotation of the gas flow of the burner (8) is along the inner side wall of the melting chamber (71).
6. The system of claim 2, wherein the system further comprises a filter for co-treatment of landfill fly ash and leachate: the melting chamber (71) is a cylindrical container, and the direction of a fly ash inlet on the melting chamber (71) is tangential to the cylinder wall of the melting chamber (71).
7. The system of claim 1, wherein the system further comprises a filter for co-treatment of landfill fly ash with leachate: and a spray head (15) is arranged at one end of the concentrated water outlet (12) connected with the evaporation chamber (72).
8. The system of claim 2, wherein the system further comprises a filter for co-treatment of landfill fly ash and leachate: the connection inlet of the waste incineration boiler (3) and the evaporation chamber (72) is arranged in a high-temperature area of the waste incineration boiler (3) or a low-temperature area of the waste incineration boiler (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276774.1U CN210485735U (en) | 2019-08-05 | 2019-08-05 | System for be used for rubbish flying dust and filtration liquid to deal with in coordination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276774.1U CN210485735U (en) | 2019-08-05 | 2019-08-05 | System for be used for rubbish flying dust and filtration liquid to deal with in coordination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210485735U true CN210485735U (en) | 2020-05-08 |
Family
ID=70534893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921276774.1U Withdrawn - After Issue CN210485735U (en) | 2019-08-05 | 2019-08-05 | System for be used for rubbish flying dust and filtration liquid to deal with in coordination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210485735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345484A (en) * | 2019-08-05 | 2019-10-18 | 上海锅炉厂有限公司 | A kind of system for garbage flying ash and percolate cooperative disposal |
-
2019
- 2019-08-05 CN CN201921276774.1U patent/CN210485735U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345484A (en) * | 2019-08-05 | 2019-10-18 | 上海锅炉厂有限公司 | A kind of system for garbage flying ash and percolate cooperative disposal |
| CN110345484B (en) * | 2019-08-05 | 2024-05-17 | 上海锅炉厂有限公司 | System for be used for rubbish flying ash and leachate to handle in coordination |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200508 Effective date of abandoning: 20240517 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200508 Effective date of abandoning: 20240517 |