CN211035721U - High-temperature thermal treatment resource utilization system for household garbage incineration fly ash - Google Patents
High-temperature thermal treatment resource utilization system for household garbage incineration fly ash Download PDFInfo
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- CN211035721U CN211035721U CN201921973156.2U CN201921973156U CN211035721U CN 211035721 U CN211035721 U CN 211035721U CN 201921973156 U CN201921973156 U CN 201921973156U CN 211035721 U CN211035721 U CN 211035721U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The utility model provides a domestic waste burns flying ash high temperature heat treatment utilization system, it includes ageing preprocessing device, the prilling granulator, the heating strengthening belt, solidification granule fermentation vat, high temperature heat treatment device, the soluble salt recovery unit of material storehouse, domestic waste burns flying ash, the material storehouse is connected with ageing preprocessing equipment, ageing preprocessing equipment is connected with the prilling granulator, the prilling granulator is connected with the heating strengthening belt through conveyor, the heating strengthening belt is connected with solidification granule fermentation vat; the solid particle outlet of the solidified particle soaking pool is connected with the high-temperature heat treatment device, the liquid outlet of the solidified particle soaking pool is connected with the soluble salt recovery device, and the soluble salt recovery device is connected with the solidified particle soaking pool. Adopt the technical scheme of the utility model, high-efficient separation and the inorganic soluble salt component in the reasonable recovery flying dust improve the solidification rate of heavy metal ion and the performance of sintered body in handling the back sintered body, realize innoxious resource utilization.
Description
Technical Field
The utility model relates to an environmental protection technique and solid waste utilization field especially relate to a domestic waste burns flying dust high temperature thermal treatment utilization system.
Background
With the improvement of the living standard of people in China and the vigorous development of urban construction, the increasing of the yield of household garbage and the gradual reduction of the land area used in cities and towns, the proportion of incineration garbage in the treatment of the household garbage is heavier and heavier. According to the ' thirteen-five ' national urban domestic garbage harmless treatment facility construction plan ', the scale of the domestic garbage incineration treatment facility reaches 59.14 ten thousand tons/day and the proportion of the incineration treatment reaches 54% by the end of 20 years. Therefore, the safe disposal of the ash produced in the incineration process of the household garbage, especially the incineration fly ash, becomes a problem which needs to be solved urgently.
The household garbage incineration fly ash is mainly collected in a flue gas pipeline, a flue gas purification device, a cyclone separator, a bag-type dust remover and the like. The fly ash contains a large amount of soluble inorganic salts such as sodium salt, potassium salt and chloride salt, high-content heavy metals such as Hg, Pb, Cd, Cu, Cr, Zn and Ni, high-concentration highly toxic organic carcinogens such as dioxin, the national environmental protection agency defines the fly ash generated by burning the household garbage as dangerous waste, and the fly ash needs to be subjected to stabilization and harmless treatment.
The method for stabilizing and harmlessly treating domestic garbage incineration fly ash at home and abroad mainly comprises three main types of solidification stabilization, wet chemistry and high-temperature treatment. The high-temperature treatment method can decompose and eliminate organics such as dioxin enriched in the fly ash, solidify heavy metals in the fly ash and obviously reduce the leaching rate of the fly ash, and the sintered body obtained after treatment can be used as a raw material to prepare ceramsite, microcrystalline glass, concrete aggregate and the like, so that the purpose of harmless resource recycling is achieved, and the method is a key exploration and research direction for safe disposal of domestic waste incineration fly ash at home and abroad. At present, the domestic high-temperature treatment technology can be divided into three directions: firing ceramsite at high temperature, melting vitrification treatment and cement kiln cooperative treatment.
In the high-temperature treatment process, the inorganic soluble salt component in the fly ash generated by burning the household garbage can reduce multiple performances of the sintered body, the quality of the sintered body is reduced, chloride ions in the fly ash can be combined with heavy metals to form heavy metal chloride with low melting point, the heavy metal chloride is evaporated into flue gas, the difficulty of flue gas treatment is increased, and the solidification rate of the heavy metals in the sintered body is reduced. However, in three directions of the technology for disposing the fly ash burned by the household garbage at high temperature, only the cement kiln is used for cooperative disposal, and the fly ash is pretreated by water washing for dechlorination by considering the requirement of cement raw materials on the content of chloride ions, for example, the invention patent with the publication number of CN101817650A adopts a water washing-carbonating process and a three-stage water washing treatment device combined by a water washing tank and a vacuum filter for pretreating the fly ash, and the content of the chloride ions in the treated fly ash is not higher than 0.5%.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model discloses a domestic waste incineration flying ash high temperature thermal treatment utilization system can high-efficient desorption domestic waste incineration flying ash contain a large amount of soluble salt to can effectively solidify the heavy metal.
To this end, the technical scheme of the utility model is that:
a high-temperature thermal treatment resource utilization system for household garbage incineration fly ash comprises a material bin, an aging pretreatment device for household garbage incineration fly ash, a granulation device, a heating strengthening belt, a solidified particle soaking pool, a high-temperature thermal treatment device and a soluble salt recovery device, wherein the material bin comprises a solidified substrate material bin and a household garbage incineration fly ash bin, the solidified substrate material bin and the household garbage incineration fly ash bin are respectively connected with an aging pretreatment device, the aging pretreatment device is connected with the granulation device through a conveying device, the granulation device is connected with the heating strengthening belt through a conveying device, and the heating strengthening belt is connected with the solidified particle soaking pool through a conveying device;
the solid particle outlet of the solidified particle soaking pool is connected with the high-temperature heat treatment device through a conveying mechanism, the liquid outlet of the solidified particle soaking pool is connected with a soluble salt recovery device through a pipeline, and the liquid outlet of the soluble salt recovery device is connected with the water inlet of the solidified particle soaking pool through a pipeline.
The curing substrate material bin is used for storing curing substrates, and the curing substrates are used for curing after being mixed with the household garbage incineration fly ash. The aging pretreatment device is actually a mixing device, and mainly stirs and mixes the materials in the solidified base material bin and the household garbage incineration fly ash bin. The granulating device can be a rolling or extruding granulating device, the granulating device performs molding granulation on the mixed curing base material and the household garbage incineration fly ash before curing to form cured particles, then the cured particles are heated and reinforced through a heating and reinforcing belt to enhance the anti-bursting performance of the cured particles, and then the cured particles are conveyed to a cured particle soaking pool to soak and dissolve out soluble salt in the particles. And (3) carrying out high-temperature thermal treatment on the desalted and cured particles through a high-temperature thermal treatment device, removing dioxin contained in the cured particles after high-temperature melting and sintering, curing the heavy metals and salts which are not dissolved out, and then recovering. The liquid in the solidified particle soaking pool is recycled through the soluble salt recycling device, and the separated water generated in recycling can be further used for desalting the solidified particle soaking pool, so that the water used by the system is recycled.
By adopting the technical scheme, a large amount of soluble salt is removed, heavy metal and salt contained in the fly ash are effectively removed, and harmless resource utilization of the household garbage incineration fly ash is realized.
As a further improvement, the curing substrate material bin comprises a curing substrate liquid material bin and a curing substrate powder material bin. The solidified base material liquid material is a heavy metal chelating agent, and the solidified base material powder material can be a mixture of two or more than two of alkali metal compounds such as NaOH, KOH and sodium silicate and mineral substances such as fly ash, silica fume and clay.
As a further improvement, the aging pretreatment device comprises a spraying device and a mixing and stirring device, the outlet of the solidified substrate liquid material bin is communicated with the spraying device, the mixing and stirring device is positioned below the spraying device, and the outlet of the solidified substrate powder material bin and the household garbage incineration fly ash bin is respectively connected with the inlet of the mixing and stirring device. By adopting the technical scheme, the solidified substrate liquid is more uniformly mixed with the household garbage incineration fly ash.
As a further improvement of the utility model, the high temperature heat treatment device includes high temperature heat treatment equipment, material recovery equipment, gas cleaning device, air-blower and exhaust chimney, high temperature heat treatment equipment and material recovery equipment pass through band conveyer and connect, high temperature heat treatment equipment, gas cleaning device, air-blower and exhaust chimney pass through the flue gas pipeline and connect.
As a further improvement of the utility model, the high-temperature heat treatment equipment comprises a high-temperature melting sintering device and a cooling machine, and the cooling machine is connected with the discharge port of the high-temperature melting sintering device. The cooling machine is used for cooling the materials after high-temperature melting and sintering treatment. Furthermore, the high-temperature melting sintering treatment interval is 500-3000 ℃, the heating rate is 0-200 ℃/min, and the cooling rate is 0-300 ℃/min.
As a further improvement, the soluble salt recovery device comprises a tubular membrane filtering device and a soluble salt recovery comprehensive treatment device, the liquid outlet of the curing particle soaking pool is connected with the inlet of the tubular membrane filtering device, the outlet of the tubular membrane filtering device is connected with the inlet of the soluble salt recovery comprehensive treatment device, the reused water outlet of the desalination treatment of the soluble salt recovery comprehensive treatment device is communicated with the water storage bin, and the water storage bin is connected with the water inlet of the curing particle soaking pool.
As a further improvement of the utility model, the water storage bin is connected with the water inlet of the curing granule soaking pool through the filtrate pump. The filtrate pump further filters the reuse water, and the reuse water is added into the solidified particle soaking pool and used for soaking the solidified body, so that the cyclic utilization of the system water is realized.
As a further improvement of the utility model, the heating reinforcing belt is provided with a temperature adjusting device and a ventilation device. Furthermore, the temperature adjusting range is 50-150 ℃, and the heating and curing time is 2-12 h.
As a further improvement of the utility model, the curing particle soaking pool is provided with a water temperature adjusting device. Furthermore, the water temperature adjusting device enables the temperature of the water temperature adjusting region of the solidified particle soaking pool to be 5-100 ℃.
Compared with the prior art, the beneficial effects of the utility model are that:
adopt the technical scheme of the utility model, can high-efficient separation and rationally retrieve the inorganic soluble salt component in the flying dust, reduce multiple inorganic salt composition contents such as sodium salt, sylvite and chlorate before the high temperature heat treatment in the flying dust, reduce the high temperature heat treatment in-process flue gas and handle the degree of difficulty, improve the solidification rate of heavy metal ion and the performance of sintered body in handling the back sintered body to can effectively solidify the heavy metal, realize innoxious resource utilization.
Drawings
FIG. 1 is a schematic view of the high temperature thermal treatment resource utilization system for the fly ash from incineration of household garbage.
The reference numerals include:
10-a material bin, 20-an aging pretreatment device, 30-a rolling or extruding granulation device, 40-a heating strengthening belt, 50-a solidified particle soaking pool, 60-a high-temperature heat treatment device and 70-a soluble salt recovery device;
11-a solidified substrate liquid material bin, 12-a solidified substrate powder material bin and 13-a household garbage incineration fly ash bin;
21-a spraying device and 22-a mixing and stirring device;
61-high temperature heat treatment equipment, 62-material recovery equipment, 63-flue gas purification device, 64-blower, 65-exhaust chimney;
71-tubular membrane filtration device, 72-soluble salt recovery comprehensive treatment device, 73-water storage bin, 74-filtrate pump;
81-material conveying pipeline, 82-belt conveyor, 83-smoke conveying pipeline and 84-solution conveying pipeline.
Detailed Description
Preferred embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a high-temperature thermal treatment resource utilization system for fly ash from incineration of household garbage comprises a material bin 10, an aging pretreatment device 20 for fly ash from incineration of household garbage, a rolling or extruding granulation device 30, a heating strengthening belt 40, a solidified particle soaking pool 50, a high-temperature thermal treatment device 60, and a soluble salt recovery device 70, wherein the material bin 10 comprises a solidified substrate liquid material bin 11, a solidified substrate powder material bin 12, and a fly ash bin 13 from incineration of household garbage, and the solidified substrate liquid material bin 11, the solidified substrate powder material bin 12, and the fly ash bin 13 from incineration of household garbage are respectively connected with the aging pretreatment device 20 through material conveying pipelines 81; the aging pretreatment device 20 comprises a spraying device 21 and a mixing and stirring device 22, the outlet of the solidified base material liquid material bin 11 is communicated with the spraying device 21, the mixing and stirring device 22 is positioned below the spraying device 21, and the outlets of the solidified base material powder material bin 12 and the household garbage incineration fly ash bin 13 are respectively connected with the inlet of the mixing and stirring device 22.
The mixing and stirring device 22 is connected with a rolling or extruding granulation device 30 through a belt conveyor 82, the rolling or extruding granulation device 30 is connected with a heating reinforced belt 40 through a conveying device, and the heating reinforced belt 40 is connected with a solidified particle soaking pool 50 through the belt conveyor 82; the solid particle outlet of the solidified particle soaking pool 50 is connected with a high temperature heat treatment device 60 through a conveying device. The liquid outlet of the solidified particle soaking pool 50 is connected with a soluble salt recovery device 70 through a solution conveying pipe, and the liquid outlet of the soluble salt recovery device 70 is connected with the water inlet of the solidified particle soaking pool 50 through a pipeline.
Specifically, the high-temperature heat treatment device 60 includes a high-temperature heat treatment device 61, a material recovery device 62, a flue gas purification device 63, an air blower 64, and an exhaust stack 65, the high-temperature heat treatment device 61 and the material recovery device 62 are connected by a belt conveyor 82, and the high-temperature heat treatment device 61, the flue gas purification device 63, the air blower 64, and the exhaust stack 65 are connected by a flue gas conveying pipe 83. Further, the high-temperature heat treatment device 61 includes a high-temperature melting and sintering device and a cooling machine, and the cooling machine is connected with a discharge port of the high-temperature melting and sintering device. The cooling machine is used for cooling the materials after high-temperature melting and sintering treatment. Furthermore, the high-temperature melting sintering treatment interval is 500-3000 ℃, the heating rate is 0-200 ℃/min, and the cooling rate is 0-300 ℃/min.
Specifically, the soluble salt recovery device 70 comprises a tubular membrane filtration device 71 and a soluble salt recovery integrated treatment device 72, wherein the liquid outlet of the solidified particle soaking pool 50 is connected with the inlet of the tubular membrane filtration device 71 through a solution conveying pipeline 84, the outlet of the tubular membrane filtration device 71 is connected with the inlet of the soluble salt recovery integrated treatment device 72 through the solution conveying pipeline 84, the recycled water outlet of the desalination treatment of the soluble salt recovery integrated treatment device 72 is communicated with a water storage bin 73, and the water storage bin 73 is connected with the water inlet of the solidified particle soaking pool 50 through a filtrate pump 74.
The solidified base material liquid material is a heavy metal chelating agent, and the solidified base material powder material can be a mixture of two or more than two of alkali metal compounds such as NaOH, KOH and sodium silicate and mineral substances such as fly ash, silica fume and clay.
Further, the heating reinforcing band 40 is provided with a temperature adjusting means and a ventilation means. Furthermore, the temperature adjusting range is 50-150 ℃, and the heating and curing time is 2-12 h.
Further, the solidified particle soaking pool 50 is provided with a water temperature adjusting device. Further, the water temperature adjusting device enables the temperature of the water temperature adjusting region of the solidified particle soaking pool 50 to be 5-100 ℃.
Wherein, the solidified substrate material liquid material bin 11, the solidified substrate material powder material bin 12 and the household garbage incineration fly ash bin 13 are used for respectively loading a solidified substrate material liquid material, a solidified substrate material powder material and household garbage incineration fly ash which are required by reaction, the reaction materials are added through a control valve according to the required proportion, the incineration fly ash and the solidified substrate material powder material are added to the aging pretreatment device 20 through a material conveying pipeline 81, the solidified substrate material liquid material is uniformly sprayed into the fly ash through a spraying device 21, a mixing and stirring device 22 is used for stirring and mixing, the fly ash mixture after mixing and aging is conveyed to a rolling or extrusion granulating device 30 through a belt conveyor 82 to be rolled into solidified particles of fly ash, and then conveyed to a heating strengthening belt 40 through the belt conveyor 82, heating and strengthening for 2-12h at the required temperature to enhance the anti-spalling performance of the solidified particles, and then conveying the solidified particles to a solidified particle soaking pool 50 for soaking for a period of time to dissolve out the soluble salt in the particles.
In the high-temperature heat treatment process, the solidified particles which achieve the soaking desalination effect are conveyed to the high-temperature heat treatment equipment 61, and are subjected to high-temperature melting sintering to remove dioxin contained in the solidified particles and solidify heavy metals and salts which are not dissolved out. The treated materials are screened and recovered by a material recovery device and can be used for preparing ceramsite, glass or cement raw materials with stable performance. The flue gas generated in the high-temperature melting and sintering process enters the flue gas purification device 63 through the flue gas conveying pipeline 83 to be purified and reach the emission requirement, and enters the exhaust chimney 65 through the air blower 64 to be discharged into the atmosphere.
In the soluble salt recovery process, the soak solution containing soluble salt is conveyed to the tubular membrane filtering device 71 in the soluble salt recovery device 70 through the solution conveying pipeline 84, particles in the solution are removed, and the solution enters the soluble salt recovery comprehensive treatment device 72 for separation and purification of the soluble salt. The reuse water generated in the process is stored in the water storage bin 73, is further filtered by the filtrate pump 74, and is added into the solidified particle soaking pool 50 for soaking the solidified particles, so that the recycling of the system water is realized.
The following examples are illustrative of specific implementations.
Example 1
Adding household garbage incineration fly ash, a solidification substrate material A (liquid material) and a solidification substrate material B (powder material) into an aging reaction device, wherein the material A is sprayed into the fly ash by a spraying device, the weight ratio of the material A to the solidification substrate material A is 1: 0.5: 0.25, the material A and the solidification substrate material B are mixed by a mixing and stirring device to form a fly ash mixture, conveying the fly ash mixture to a rolling or extruding granulation device by a belt conveyor, forming solidified body particles by rolling or extruding granulation, conveying the solidified body particles to a heating and strengthening belt for heating and strengthening at 100 ℃ for 3 hours, conveying the solidified body particles to a solidified particle soaking pool, soaking the solidified body particles in water at 25 ℃, wherein the weight of the water is 5 times of that of the solidified body, the soaking time is 5 days, and the salt content in the obtained solidified. The soak solution is filtered by a tubular membrane filtering device in a soluble salt recovery system to remove particles in the solution, and the solution enters soluble salt recovery comprehensive treatment equipment for separation and purification, and the recovered soluble salt meets the industrial salt standard.
Conveying the soaked and desalted solidified particles into high-temperature thermal treatment equipment of a high-temperature thermal treatment system, heating to 1200 ℃ at the speed of 10 ℃/min, sintering for 1h at high temperature to form a sintered body, and cooling and screening to obtain the fly ash ceramsite. The heavy metal leaching concentration of the obtained ceramsite reaches the standard requirement, and each performance of the ceramsite is higher than the standard GB2839-81 requirement, so that the ceramsite can be safely used as a building material.
Example 2
Adding household garbage incineration fly ash, a solidification substrate material A (liquid material) and a solidification substrate material B (powder material) into an aging reaction device, wherein the material A is sprayed into the fly ash by a spraying device, the weight ratio of the material A to the solidification substrate material A is 1: 0.3: 0.5, the materials are mixed by a mixing and stirring device to form a fly ash mixture, a belt conveyor conveys the fly ash mixture to a rolling or extruding granulation device, solidified body particles are formed by rolling or extruding granulation, the solidified body particles are conveyed to a heating strengthening belt to be heated and strengthened for 2 hours at 120 ℃, the solidified body particles are conveyed to a solidified particle soaking pool to be soaked in water at 30 ℃, the weight of the water is 6 times of that of the solidified body, the soaking time is 3 days, and the salt content in the obtained solidified fly ash particles is reduced to below 1.5. The soak solution is filtered by a tubular membrane filtering device in a soluble salt recovery system to remove particles in the solution, and the solution enters soluble salt recovery comprehensive treatment equipment for separation and purification, and the recovered soluble salt meets the industrial salt standard.
Conveying the soaked and desalted solidified particles into high-temperature thermal treatment equipment of a high-temperature thermal treatment system, heating to 1300 ℃ at the speed of 10 ℃/min, sintering for 3h at the high temperature, and rapidly cooling by water to form homogeneous and hard glass slag, wherein the corresponding performance of the homogeneous and hard glass slag reaches the national class I general industrial solid waste standard, and the homogeneous and hard glass slag can be used as a building material for safe use. The glass slag is subjected to a microcrystallization heat treatment process: annealing at 600 ℃ for 2h, nucleating at 770 ℃ for 2h, and crystallizing at 940 ℃ for 6h to obtain the microcrystalline glass which has good acid and alkali resistance and meets the national standard.
Example 3
Adding household garbage incineration fly ash, a solidification substrate material A (liquid material) and a solidification substrate material B (powder material) into an aging reaction device, wherein the material A is sprayed into the fly ash by a spraying device, the weight ratio of the material A to the solidification substrate material A is 1: 0.4: 0.2, the materials are mixed by a mixing and stirring device to form a fly ash mixture, a belt conveyor conveys the fly ash mixture to a rolling or extruding granulation device, solidified body particles are formed by rolling or extruding granulation, the solidified body particles are conveyed to a heating strengthening belt to be heated and strengthened for 1h at 150 ℃, the solidified body particles are conveyed to a solidified particle soaking pool to be soaked in water at 25 ℃, the weight of the water is 6 times of that of the solidified body, the soaking time is 3 days, and the salt content and the chloride ion content of the obtained solidified fly ash particles are reduced to below 1.5% and reduced to below 0. The soak solution is filtered by a tubular membrane filtering device in a soluble salt recovery system to remove particles in the solution, and the solution enters soluble salt recovery comprehensive treatment equipment for separation and purification, and the recovered soluble salt meets the industrial salt standard.
And conveying the soaked and desalted solidified particles into high-temperature thermal treatment equipment of a high-temperature thermal treatment system, heating to 1000 ℃ at the speed of 10 ℃/min, sintering for 4 hours at the high temperature to form a sintered body, and cooling, crushing and grinding the sintered body to prepare cement clinker. The sintered body powder and the natural cement raw material are mixed to prepare the cement raw material, the addition amount of the sintered body powder is 40 percent by weight, the sintering temperature is 1300 ℃, the leaching amount of heavy metal in 28-day hydrated slurry of the fired cement clinker meets the standard requirement, and various performances of the cement clinker meet the national standard.
The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the shape and structure of the present invention are within the protection scope of the present invention.
Claims (9)
1. The utility model provides a domestic waste incineration fly ash high temperature thermal treatment utilization system which characterized in that: the device comprises a material bin, an aging pretreatment device for the household garbage incineration fly ash, a granulation device, a heating strengthening belt, a solidified particle soaking pool, a high-temperature heat treatment device and a soluble salt recovery device, wherein the material bin comprises a solidified base material bin and a household garbage incineration fly ash bin;
the solid particle outlet of the solidified particle soaking pool is connected with the high-temperature heat treatment device through a conveying mechanism, the liquid outlet of the solidified particle soaking pool is connected with a soluble salt recovery device through a pipeline, and the liquid outlet of the soluble salt recovery device is connected with the water inlet of the solidified particle soaking pool through a pipeline.
2. The high-temperature thermal treatment resource utilization system for the incineration fly ash of the household garbage as claimed in claim 1, wherein: the curing substrate material bin comprises a curing substrate liquid material bin and a curing substrate powder material bin.
3. The high-temperature thermal treatment resource utilization system for the incineration fly ash of the household garbage as claimed in claim 2, wherein: the aging pretreatment device comprises a spraying device and a mixing and stirring device, the outlet of the solidified substrate liquid material bin is communicated with the spraying device, the mixing and stirring device is positioned below the spraying device, and the outlets of the solidified substrate powder material bin and the household garbage incineration fly ash bin are respectively connected with the inlet of the mixing and stirring device.
4. The high-temperature thermal treatment resource utilization system for the incineration fly ash of the household garbage as claimed in claim 1, wherein: the high-temperature heat treatment device comprises high-temperature heat treatment equipment, material recovery equipment, a flue gas purification device, an air blower and an exhaust chimney, wherein the high-temperature heat treatment equipment and the material recovery equipment are connected through a belt conveyor, and the high-temperature heat treatment equipment, the flue gas purification device, the air blower and the exhaust chimney are connected through a flue gas conveying pipeline.
5. The high-temperature thermal treatment resource utilization system for the incineration fly ash of the household garbage as claimed in claim 4, wherein: the high-temperature heat treatment equipment comprises a high-temperature melting sintering device and a cooling machine, wherein the cooling machine is connected with a discharge hole of the high-temperature melting sintering device.
6. The high-temperature thermal treatment resource utilization system for the incineration fly ash of the household garbage as claimed in claim 1, wherein: soluble salt recovery unit includes tubular membrane filter equipment, soluble salt recovery integrated processing device, the liquid outlet of solidification granule steeping cistern and tubular membrane filter equipment's entry linkage, tubular membrane filter equipment's outlet and soluble salt recovery integrated processing device's entry linkage, the reuse water export and the reservoir intercommunication of soluble salt recovery integrated processing device's desalination, the reservoir is connected with the water inlet of solidification granule steeping cistern.
7. The high-temperature thermal treatment resource utilization system for the incineration fly ash of the household garbage as claimed in claim 6, wherein: the water storage bin is connected with a water inlet of the solidified particle soaking pool through a filtrate pump.
8. The high-temperature thermal treatment resource utilization system for the incineration fly ash of the household garbage as claimed in any one of claims 1 to 7, wherein: the heating reinforcing belt is provided with a temperature adjusting device and a ventilation device.
9. The high-temperature thermal treatment resource utilization system for the incineration fly ash of the household garbage as claimed in any one of claims 1 to 7, wherein: the solidified particle soaking pool is provided with a water temperature adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921973156.2U CN211035721U (en) | 2019-11-15 | 2019-11-15 | High-temperature thermal treatment resource utilization system for household garbage incineration fly ash |
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| CN201921973156.2U CN211035721U (en) | 2019-11-15 | 2019-11-15 | High-temperature thermal treatment resource utilization system for household garbage incineration fly ash |
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| CN211035721U true CN211035721U (en) | 2020-07-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020201A (en) * | 2021-01-31 | 2021-06-25 | 上海新濯水污染处理有限公司 | Incineration fly ash resource treatment device |
| CN116283338A (en) * | 2023-03-14 | 2023-06-23 | 福州大学 | System and method for firing ceramsite by using waste incineration fly ash |
-
2019
- 2019-11-15 CN CN201921973156.2U patent/CN211035721U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020201A (en) * | 2021-01-31 | 2021-06-25 | 上海新濯水污染处理有限公司 | Incineration fly ash resource treatment device |
| CN116283338A (en) * | 2023-03-14 | 2023-06-23 | 福州大学 | System and method for firing ceramsite by using waste incineration fly ash |
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