CN115007599A - System for burning domestic garbage slag through separation gasification furnace and treatment process thereof - Google Patents
System for burning domestic garbage slag through separation gasification furnace and treatment process thereof Download PDFInfo
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- CN115007599A CN115007599A CN202210473839.1A CN202210473839A CN115007599A CN 115007599 A CN115007599 A CN 115007599A CN 202210473839 A CN202210473839 A CN 202210473839A CN 115007599 A CN115007599 A CN 115007599A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/04—General arrangement of separating plant, e.g. flow sheets specially adapted for furnace residues, smeltings, or foundry slags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Abstract
The invention discloses a system for burning domestic garbage slag by a separation gasification furnace and a treatment process thereof, wherein the system comprises the following steps: feeding the incineration domestic garbage slag through a belt conveyor, conveying the incineration domestic garbage slag to a drum screen for treatment, and treating screened materials through a wet fine crusher and a wet drum magnetic separator; separating out magnetic metal by a wet roller magnetic separator, and treating screened iron in an iron treatment system; the remaining sand flow materials are subjected to gravity screening by a jig and enter a copper treatment system from a lower outlet for treatment, enter a stranding cage from an upper outlet, enter a low-level water collecting tank through a lower outlet of the stranding cage after being treated by the stranding cage, and enter a water treatment tank through the low-level water collecting tank; and (3) carrying out vibration dewatering screen treatment through an upper outlet of the stranding cage, then carrying out aluminum separation machine treatment, conveying the separated aluminum to an aluminum pool, and conveying the separated sand to a sand pool. The method can efficiently recover the metal in the slag, effectively solves the difficulty that the heavy metal in the slag can not be recovered, and simultaneously ensures that the slag can be recycled.
Description
Technical Field
The invention relates to the technical field of slag treatment, in particular to a system for incinerating domestic garbage slag by a separation gasification furnace and a treatment process thereof.
Background
After the domestic garbage is treated by the existing gasification furnace, the produced slag contains metals such as iron, copper and the like, can be recycled, and has certain economic value and social value; the residual slag can be reused to prepare bricks for municipal engineering.
After the domestic garbage is treated by the gasification furnace, how to sort the slag of the domestic garbage to achieve the purpose of recycling; however, because the domestic garbage treated by the gasification furnace has fine granularity, the slag particles are smaller than the slag of the grate furnace for treating the domestic garbage, and the recovery of fine particles can not be realized by conventional slag separation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a system for burning household garbage slag by a separation gasification furnace and a treatment process thereof, which effectively solve the difficulty that heavy metals in the slag cannot be recovered, and simultaneously ensure that the slag can be recycled.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a system for incinerating domestic waste and slag by a separation gasification furnace comprises a belt conveyor for incinerating domestic waste and slag loading materials, and further comprises a drum screen, a wet fine crusher, a wet drum magnetic separator, an iron treatment system, a wave jigger, a copper treatment system, a stranding cage, a low-level water accumulation tank, a vibration dewatering screen, an aluminum separator, a water treatment tank, a sand tank, an iron tank, a copper tank and an aluminum tank; one end of the belt conveyor is in butt joint with the rotary screen, the lower portion of the rotary screen is correspondingly connected with the wet type roller magnetic separator through the wet type fine crusher, a metal discharge port of the wet type roller magnetic separator is connected with the iron treatment system, the iron treatment system is connected with the iron pool, a sand discharge port of the wet type roller magnetic separator is connected with the wave jigger, a lower outlet of the wave jigger is connected with the copper treatment system, the copper treatment system is connected with the copper pool, an upper outlet of the wave jigger is in butt joint with the stranding cage, a lower outlet of the stranding cage is in butt joint with the water treatment pool through the low-position water accumulation pool, an upper outlet of the stranding cage is in butt joint with the aluminum separator through the vibration dewatering screen, one outlet of the aluminum separator is in butt joint with the aluminum pool, and the other outlet of the aluminum separator is in butt joint with the sand pool.
Still including being used for burning the storage area that domestic waste slag was stored, band conveyer corresponds the storage area setting to it is provided with the de-ironing separator to correspond band conveyer.
The dry type coarse crusher is characterized by further comprising a dry type coarse crusher, wherein the coarse materials screened by the drum screen are crushed by the dry type coarse crusher, and the crushed materials are conveyed to the drum screen again for processing.
The wet fine crusher is characterized by further comprising a water circulating pipeline, and water is added through the water circulating pipeline corresponding to the wet fine crusher.
The iron treatment system comprises an iron conveying belt, an iron crusher, an iron material drum sieve and an iron treatment system wet type drum magnetic separator which are sequentially arranged, the sand-containing flow materials are treated by the iron treatment system wet type drum magnetic separator from a lower outlet through gravity screening of a wave jigger and then enter a copper treatment system for treatment, the iron treatment system wet type drum magnetic separator conveys the screened iron powder to an iron powder pool for storage, and the fine iron screened by the iron material drum sieve is conveyed to a fine iron pool for storage.
Copper processing system is including last shaking table, copper breaker and the shaking table down that sets gradually, corresponds and goes up the shaking table and all be equipped with the de-ironing separator with the shaking table down.
The water treatment pond includes mud pit, filtering water pond and the circulating water pond that sets gradually side by side, and the water in low-order ponding pond gets into the mud pit, corresponds the mud pit and is equipped with sludge press filter and mud breaker, and mud breaker export below is equipped with the mud cake pond.
And a 4mm rotary screen is arranged below the stranding cage, sundries screened by the 4mm rotary screen and the vibrating dewatering screen are all conveyed to a waterwheel screen and a saltating screen for treatment, and sand materials screened by the saltating screen are conveyed to a sand pool through a sand conveying belt machine.
A separation gasification furnace incineration household garbage slag treatment process comprises the following steps:
1) feeding the incineration domestic garbage slag through a belt conveyor, conveying the incineration domestic garbage slag to a drum screen for treatment, and treating screened materials through a wet fine crusher and a wet drum magnetic separator;
2) separating out magnetic metal by a wet roller magnetic separator, and treating screened iron in an iron treatment system;
3) the remaining sand flow materials are subjected to gravity screening by a jig and enter a copper treatment system from a lower outlet for treatment, enter a stranding cage from an upper outlet, enter a low-level water collecting tank through a lower outlet of the stranding cage after being treated by the stranding cage, and enter a water treatment tank through the low-level water collecting tank;
4) and (3) carrying out vibration dewatering screen treatment through an upper outlet of the stranding cage, then carrying out aluminum separation machine treatment, conveying the separated aluminum to an aluminum pool, and conveying the separated sand to a sand pool.
Compared with the prior art, the invention has the following advantages:
the system for burning the domestic waste slag by the separation gasification furnace and the treatment process thereof have reasonable design, can efficiently recover the metal in the slag, effectively solves the difficulty that the heavy metal in the slag can not be recovered, simultaneously can reutilize the slag, and realizes the real green treatment of the garbage.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of the treatment process of the present invention.
FIG. 2 is a schematic view of a process line according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the sorting gasification furnace incineration domestic waste slag treatment system mainly comprises a material sorting system and a metal recovery system; the method can efficiently recover the metal in the slag, effectively solves the difficulty that the heavy metal in the slag can not be recovered, and simultaneously enables the slag to be reused, thereby realizing real green treatment of garbage.
Preferably, the system for incinerating the domestic garbage slag by the separation gasification furnace comprises a belt conveyor for incinerating the domestic garbage slag, a drum screen, a wet fine crusher, a wet drum magnetic separator, an iron treatment system, a wave jigger, a copper treatment system, a stranding cage, a low-level water collecting tank, a vibration dewatering screen, an aluminum separator, a water treatment tank, a sand tank, an iron tank, a copper tank and an aluminum tank; one end of a belt conveyor is butted with a rotary screen, the lower part of the rotary screen is correspondingly connected with a wet type rotary drum magnetic separator through a wet type fine crusher, a metal discharge port of the wet type rotary drum magnetic separator is connected with an iron treatment system, the iron treatment system is connected with an iron pool, a sand discharge port of the wet type rotary drum magnetic separator is connected with a jigger, a lower outlet of the jigger is connected with a copper treatment system, the copper treatment system is connected with a copper pool, an upper outlet of the jigger is butted with a stranding cage, a lower outlet of the stranding cage is butted with a water treatment pool through a low-level water accumulation pool, an upper outlet of the stranding cage is butted with an aluminum separator through a vibration dewatering screen, one outlet of the aluminum separator is butted with the aluminum pool, and the other outlet of the aluminum separator is butted with a sand pool.
After the feeding system feeds materials, screening treatment is carried out through a multiple screening system and a crushing system, then magnetic metal recovery treatment is carried out through a multiple magnetic separation system, and the recovered metal pieces are subjected to crushing and screening system treatment; and obtaining sand powder and dry sludge through a dewatering and sedimentation system.
The material sorting system comprises a belt conveyor, a hopper, a spiral, a drum screen, an auger, a waterwheel screen, a vibrating screen, a crusher and a jigger, and the system respectively screens, crushes and sieves large blocks of slag into small particle sizes such as sand grains, iron powder, aluminum powder and the like; the heavy metal recovery system mainly comprises a magnetic separator, eddy current, a shaking table, an iron remover and other equipment, and aims to recycle metal materials in slag.
Preferred embodiments of the present invention are:
the process for incinerating the domestic waste slag by the separation gasification furnace comprises the following steps:
the household garbage incineration furnace slag is stored in a storage area, the storage area is a storage workshop, a belt conveyor is arranged corresponding to the storage area, and an iron remover is arranged corresponding to the belt conveyor; a slag hopper is arranged at the lower end corresponding to the belt conveyor, so that the feeding is convenient; feeding the incineration domestic garbage slag through a belt conveyor, conveying the incineration domestic garbage slag to a drum screen for treatment, and treating screened materials through a wet fine crusher and a wet drum magnetic separator;
separating out magnetic metal by a wet roller magnetic separator, and treating screened iron in an iron treatment system;
the remaining sand flow materials are subjected to gravity screening by a jig and enter a copper treatment system from a lower outlet for treatment, enter a stranding cage from an upper outlet, enter a low-level water collecting tank through a lower outlet of the stranding cage after being treated by the stranding cage, and enter a water treatment tank through the low-level water collecting tank;
and (3) carrying out vibration dewatering screen treatment through an upper outlet of the stranding cage, then carrying out aluminum separation machine treatment, conveying the separated aluminum to an aluminum pool, and conveying the separated sand to a sand pool.
Further: the coarse materials screened by the drum screen are crushed by a dry type coarse crusher, the crushed materials are conveyed to the drum screen again for treatment, and the circulation treatment is realized, so that the treatment is efficient.
Adding water into the wet fine crusher through a circulating water pipeline; the wave jigging machine behind the wet type roller magnetic separator is a group of sawtooth wave jigging machines arranged side by side, so that primary gravity screening is formed, and the treatment is efficient.
Preferably, the iron treatment system comprises an iron conveying belt, an iron crusher, an iron material rotary screen and an iron treatment system wet type rotary screen magnetic separator which are sequentially arranged, the sand-containing flow materials are subjected to gravity screening by a first-level wave jig and are treated by the iron treatment system wet type rotary screen magnetic separator from a lower outlet to enter a copper treatment system for treatment, the iron treatment system wet type rotary screen magnetic separator conveys the screened iron powder to an iron powder pool for storage, and the fine iron screened by the iron material rotary screen magnetic separator is conveyed to a fine iron pool for storage.
The sand-containing flow passing through the wet type roller magnetic separator of the iron treatment system enters a second-level wave jigger for gravity screening, the lower opening of the second-level wave jigger is connected with the copper treatment system, the upper opening of the second-level wave jigger is connected with a buffer water bucket, a water reducing bucket is arranged below the buffer water bucket, and the water reducing bucket is connected with a bottom water accumulation pool.
Preferably, copper processing system is including the last shaking table, copper breaker and the shaking table down that set gradually, and it all is equipped with the de-ironing separator to correspond last shaking table and shaking table down.
A 4mm rotary screen is arranged below the stranding cage, sundries screened by the 4mm rotary screen and the vibration dewatering screen are conveyed to a waterwheel screen and an skip screen for treatment, and sand materials screened by the skip screen are conveyed to a sand pool through a sand conveying belt conveyor;
the water treatment pool comprises a mud pool, a filter pool and a circulating pool which are sequentially arranged side by side, water in the low-level water accumulation pool enters the mud pool, a sludge filter press and a sludge breaker are arranged corresponding to the mud pool, and a mud cake pool is arranged below the outlet of the sludge breaker.
According to the invention, the iron powder pool, the fine iron pool, the aluminum pool, the sand pool and the mud cake pool are connected side by side to form an integral structure, and the structure is compact; the mud pit, the filter water tank and the circulating water tank are connected side by side, so that the structure is compact and the arrangement is convenient.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (9)
1. The utility model provides a separation gasification stove burns domestic waste slag system, includes the band conveyer that is used for burning domestic waste slag material loading, its characterized in that: the device also comprises a drum screen, a wet type fine crusher, a wet type drum magnetic separator, an iron treatment system, a wave jigger, a copper treatment system, a stranding cage, a low-position water accumulation tank, a vibration dewatering screen, an aluminum separator, a water treatment tank, a sand tank, an iron tank, a copper tank and an aluminum tank; one end of the belt conveyor is in butt joint with the rotary screen, the lower portion of the rotary screen is correspondingly connected with the wet type roller magnetic separator through the wet type fine crusher, a metal discharge port of the wet type roller magnetic separator is connected with the iron treatment system, the iron treatment system is connected with the iron pool, a sand discharge port of the wet type roller magnetic separator is connected with the wave jigger, a lower outlet of the wave jigger is connected with the copper treatment system, the copper treatment system is connected with the copper pool, an upper outlet of the wave jigger is in butt joint with the stranding cage, a lower outlet of the stranding cage is in butt joint with the water treatment pool through the low-level water accumulation pool, an upper outlet of the stranding cage is in butt joint with the aluminum separator through the vibration dewatering screen, one outlet of the aluminum separator is in butt joint with the aluminum pool, and the other outlet of the aluminum separator is in butt joint with the sand pool.
2. The separation gasification furnace incineration domestic waste slag treatment system of claim 1, characterized in that: still including being used for burning the storage area that domestic waste slag was stored, band conveyer corresponds the storage area setting to it is provided with the de-ironing separator to correspond band conveyer.
3. The separation gasification furnace incineration domestic waste slag treatment system of claim 1, characterized in that: the dry type coarse crusher is characterized by further comprising a dry type coarse crusher, wherein the coarse materials screened by the drum screen are crushed by the dry type coarse crusher, and the crushed materials are conveyed to the drum screen again for processing.
4. The separation gasification furnace incineration domestic waste slag treatment system of claim 1, characterized in that: the wet type fine crusher also comprises a circulating water pipeline, and water is added through the circulating water pipeline corresponding to the wet type fine crusher.
5. The separation gasification furnace incineration domestic waste slag treatment system of claim 1, characterized in that: the iron treatment system comprises an iron conveying belt, an iron crusher, an iron material drum sieve and an iron treatment system wet type drum magnetic separator which are sequentially arranged, the sand-containing flow materials are treated by the iron treatment system wet type drum magnetic separator from a lower outlet through gravity screening of a wave jigger and then enter a copper treatment system for treatment, the iron treatment system wet type drum magnetic separator conveys the screened iron powder to an iron powder pool for storage, and the fine iron screened by the iron material drum sieve is conveyed to a fine iron pool for storage.
6. The separation gasification furnace incineration domestic waste slag treatment system of claim 1, characterized in that: copper processing system is including last shaking table, copper breaker and the shaking table down that sets gradually, corresponds and goes up the shaking table and all be equipped with the de-ironing separator with the shaking table down.
7. The separation gasification furnace incineration domestic waste slag treatment system of claim 1, characterized in that: the water treatment pond includes mud pit, filtering water pond and the circulating water pond that sets gradually side by side, and the water in low-order ponding pond gets into the mud pit, corresponds the mud pit and is equipped with sludge press filter and mud breaker, and mud breaker export below is equipped with the mud cake pond.
8. The separation gasification furnace incineration domestic waste slag treatment system of claim 1, characterized in that: and a 4mm rotary screen is arranged below the stranding cage, sundries screened by the 4mm rotary screen and the vibrating dewatering screen are all conveyed to a waterwheel screen and are subjected to skip screen treatment, and sand materials screened by the skip screen are conveyed to a sand pool through a sand conveying belt conveyor.
9. A separation gasification furnace incineration domestic waste slag treatment process is characterized in that: the treatment process comprises the following steps:
1) feeding the incineration domestic garbage slag through a belt conveyor, conveying the incineration domestic garbage slag to a drum screen for treatment, and treating screened materials through a wet fine crusher and a wet drum magnetic separator;
2) separating out magnetic metal by a wet roller magnetic separator, and treating screened iron in an iron treatment system;
3) the remaining sand flow materials are subjected to gravity screening by a jig and enter a copper treatment system from a lower outlet for treatment, enter a stranding cage from an upper outlet, enter a low-level water collecting tank through a lower outlet of the stranding cage after being treated by the stranding cage, and enter a water treatment tank through the low-level water collecting tank;
4) and (3) carrying out vibration dewatering screen treatment through an upper outlet of the stranding cage, then carrying out aluminum separation machine treatment, conveying the separated aluminum to an aluminum pool, and conveying the separated sand to a sand pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210473839.1A CN115007599A (en) | 2022-04-29 | 2022-04-29 | System for burning domestic garbage slag through separation gasification furnace and treatment process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210473839.1A CN115007599A (en) | 2022-04-29 | 2022-04-29 | System for burning domestic garbage slag through separation gasification furnace and treatment process thereof |
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| CN115007599A true CN115007599A (en) | 2022-09-06 |
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| CN202210473839.1A Pending CN115007599A (en) | 2022-04-29 | 2022-04-29 | System for burning domestic garbage slag through separation gasification furnace and treatment process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117696215A (en) * | 2024-02-05 | 2024-03-15 | 天津高能时代再生资源利用有限公司 | Sorting and recycling system for garbage incinerator slag |
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2022
- 2022-04-29 CN CN202210473839.1A patent/CN115007599A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117696215A (en) * | 2024-02-05 | 2024-03-15 | 天津高能时代再生资源利用有限公司 | Sorting and recycling system for garbage incinerator slag |
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