CN218154215U - Organic solid-liquid hazardous waste and inorganic high-sulfur-content miscellaneous salt comprehensive utilization and treatment system - Google Patents
Organic solid-liquid hazardous waste and inorganic high-sulfur-content miscellaneous salt comprehensive utilization and treatment system Download PDFInfo
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- CN218154215U CN218154215U CN202221799474.3U CN202221799474U CN218154215U CN 218154215 U CN218154215 U CN 218154215U CN 202221799474 U CN202221799474 U CN 202221799474U CN 218154215 U CN218154215 U CN 218154215U
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Abstract
The utility model belongs to the technical field of solid-liquid hazardous waste treatment, and relates to a comprehensive utilization and treatment system for organic solid-liquid hazardous waste and inorganic high-sulfur-content miscellaneous salt; comprises an inorganic high-sulfur-content miscellaneous salt treatment section, an organic solid-liquid hazardous waste treatment section and a sulfur-containing flue gas treatment section; the inorganic high-sulfur-content miscellaneous salt treatment section comprises a first total oxygen incinerator; the organic solid-liquid hazardous waste treatment section comprises a second total oxygen incinerator, a waste heat utilization boiler and a dust removal purification device; the first total oxygen incinerator is connected with the second total oxygen incinerator through a flue gas pipeline; the smoke outlet of the second total oxygen incinerator is connected with a waste heat utilization boiler; the waste heat utilization boiler is connected with the dust removal purification device; the sulfur-containing flue gas treatment section comprises a multi-stage conversion tower, and the multi-stage conversion tower is connected with an alkali liquor storage tank; the dust removal purification device is connected with the multi-stage conversion tower through a pipeline; the utility model discloses a large amount of industry miscellaneous salt solid waste and organic solid-liquid danger wastes material can be consumed, the problem of coking enterprise organic solid-liquid danger wastes material and inorganic high sulphur miscellaneous salt processing recovery has been solved.
Description
Technical Field
The utility model belongs to the technical field of solid-liquid danger refuse treatment, specifically be organic solid-liquid danger wastes material and inorganic high sulphur miscellaneous salt comprehensive utilization processing system that contains.
Background
In the production process of coke and downstream products, a large amount of industrial high-sulfur-content miscellaneous salt can be generated, the content of the industrial sulfur-content miscellaneous salt is about 75 percent, and meanwhile, a large amount of solid-liquid hazardous waste can be generated, such as: lubricating oils, hydraulic oils, paints, waste iron drums, waste plastics and the like, and new environmental protection problems can be caused by improper disposal of organic solid-liquid hazardous wastes and inorganic high-sulfur-content miscellaneous salts. In the prior art, the suitability of comprehensively treating various hazardous wastes is poor, and various hazardous wastes cannot be effectively and properly treated and recycled.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides organic solid-liquid danger wastes material and inorganic high sulphur miscellaneous salt comprehensive utilization processing system that contains.
In order to achieve the purpose, the utility model is realized by the following technical scheme.
The comprehensive utilization and treatment system for the organic solid-liquid hazardous wastes and the inorganic high-sulfur-content miscellaneous salts comprises an inorganic high-sulfur-content miscellaneous salt treatment section, an organic solid-liquid hazardous waste treatment section and a sulfur-containing flue gas treatment section;
the inorganic high-sulfur-content miscellaneous salt treatment section comprises a first total oxygen incinerator; the first total oxygen incinerator is provided with a charging hopper; a block making device is arranged at the discharge port of the first total oxygen incinerator;
the organic solid-liquid hazardous waste treatment section comprises a second total oxygen incinerator, a waste heat utilization boiler and a dust removal purification device; the first total-oxygen incinerator is connected with the second total-oxygen incinerator through a flue gas pipeline; the smoke outlet of the second total oxygen incinerator is connected with a waste heat utilization boiler; the second total oxygen incineration boiler is connected with a metal melt storage tank; the waste heat utilization boiler is connected with a dust removal and purification device through a sulfur-containing flue gas pipeline;
the sulfur-containing flue gas treatment section comprises a multi-stage conversion tower, and the multi-stage conversion tower is connected with an alkali liquor storage tank through an alkali liquor pump; the dust removal purification device is connected with a multi-stage conversion tower through a pipeline, and the multi-stage conversion tower is connected with a centrifugal machine.
Further, the first total oxygen incinerator is a horizontal furnace, and the second total oxygen incinerator is a vertical furnace.
Furthermore, a discharge port of the block making device is connected with a cooling and conveying device.
Furthermore, a cooling water spraying device is arranged at a smoke outlet of the waste heat utilization boiler.
Furthermore, the dust removal purification device comprises a dust remover and a purification tower, and the sulfur-containing flue gas pipeline is connected to the purification tower through the dust remover.
Further, the multistage conversion tower comprises a first-stage conversion tower, a second-stage conversion tower and a third-stage conversion tower which are connected in series; and a flue gas outlet of the purification tower is connected with the primary conversion tower through a pipeline.
Further, a flue gas outlet of the third-stage conversion tower is connected with a waste gas absorption tower through a smoke exhaust pipeline; the waste gas absorption tower is connected with a chimney.
Furthermore, the smoke exhaust pipeline is provided with a negative pressure fan.
Furthermore, the waste gas absorption tower is an activated carbon absorption tower.
The utility model discloses produced beneficial effect for prior art does:
the utility model takes organic solid-liquid hazardous waste and inorganic high-sulfur-content miscellaneous salt as main raw materials, the inorganic high-sulfur-content miscellaneous salt is treated by a horizontal type total oxygen incinerator, the organic solid-liquid hazardous waste is treated by a vertical type total oxygen incinerator, and the generated smoke is treated in a unified and centralized way; the inorganic high-sulfur-content miscellaneous salt used as the raw material in the first-stage horizontal total oxygen incinerator is mainly sodium salt, and certain silicon dioxide is added in the incinerator to produce sodium silicate; on one hand, the two-section vertical type total oxygen incinerator melts various classified solid wastes containing metal to produce corresponding metal melts, on the other hand, the incineration of various combustible grease and plastics improves a large amount of waste heat and the first section of flue gas together to improve heat energy for a waste heat boiler; and removing sulfur from the flue gas with high sulfur content after three-stage dust removal by adopting an alkaline method to produce a sodium metabisulfite product.
Adopt the utility model discloses system's equipment can consume about 10 ten thousand tons of industry miscellaneous salt and end useless and 3 ten thousand tons of organic solid-liquid danger wastes material each year, and 3 ten thousand tons of sodium silicate of coproduction and 12 ten thousand tons of sodium metabisulfite, a large amount of vapour, burn metal melt etc.. Solves the problem of treating and recycling organic solid-liquid hazardous wastes and inorganic high-sulfur-content miscellaneous salts in coking enterprises.
Drawings
FIG. 1 is the structural schematic diagram of the comprehensive utilization and treatment system for organic solid-liquid hazardous waste and inorganic high-sulfur-content miscellaneous salt.
FIG. 2 is a schematic structural diagram of the inorganic high-sulfur impurity salt treatment section of the present invention.
Figure 3 is the utility model discloses a structural schematic of organic solid-liquid danger waste disposal section.
Fig. 4 is the structure schematic diagram of the sulfur-containing flue gas treatment section of the present invention.
In the figure, 1-inorganic high-sulfur-content miscellaneous salt treatment section, 11-horizontal full-oxygen incinerator, 12-loading hopper, 13-briquetting machine, 14-belt cooling conveyor, 15-sodium silicate storage tank and 16-flue gas pipeline;
2-organic solid-liquid hazardous waste treatment section, 21-vertical total oxygen incinerator, 22-steam boiler, 23-dust remover, 24-purification tower, 25-metal melt storage tank;
3-sulfur-containing flue gas treatment section, 31-first-stage conversion tower, 32-second-stage conversion tower, 33-third-stage conversion tower, 34-alkali liquor pump, 35-alkali liquor storage tank, 36-centrifuge, 37-activated carbon absorption tower, 38-steel chimney and 39-negative pressure fan.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve clearer and more obvious, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1, the present embodiment provides a comprehensive utilization and treatment system for organic solid-liquid hazardous waste and inorganic high-sulfur-content miscellaneous salts, which includes an inorganic high-sulfur-content miscellaneous salt treatment section 1, an organic solid-liquid hazardous waste treatment section 2, and a sulfur-containing flue gas treatment section 3;
as shown in FIG. 2, the inorganic high-sulfur containing miscellaneous salt treatment section 1 comprises a horizontal type total oxygen incinerator 11; the horizontal total oxygen incinerator 11 is provided with a charging hopper 12; a briquetting machine 13 is arranged at the discharge port of the horizontal total oxygen incinerator 12, a belt cooling conveyor 14 is arranged below the discharge port of the briquetting machine 13, and a sodium silicate storage tank 15 is arranged at the discharge port of the belt cooling conveyor.
As shown in fig. 3, the organic solid-liquid hazardous waste treatment section 2 comprises a vertical total oxygen incinerator 21, a steam boiler 22, a dust remover 23 and a purification tower 24; the horizontal type total oxygen incinerator 11 is connected with the vertical type total oxygen incinerator 21 through a flue gas pipeline 16, a metal melt discharge port is arranged at the bottom of the vertical type total oxygen incinerator 21, and a metal melt storage tank 25 is arranged at the metal melt discharge port; the smoke outlet of the vertical total oxygen incinerator 21 is connected with a steam boiler 22; the flue gas outlet of the steam boiler 22 is provided with a cooling water atomizer. The flue gas outlet of the steam boiler 22 is connected via a sour flue gas duct through a dust separator 23 to a purification tower 24.
As shown in fig. 4, the sulfur-containing flue gas treatment section 3 comprises a multi-stage reforming tower, which comprises a first-stage reforming tower 31, a second-stage reforming tower 32 and a third-stage reforming tower 33 connected in series; the flue gas outlet of the purifying tower 24 is connected with the first-stage conversion tower 31 through a pipeline. The first-stage conversion tower 31, the second-stage conversion tower 32 and the third-stage conversion tower 33 are all connected with an alkali liquor storage tank 35 through an alkali liquor pump 34; the primary reforming tower 31 is connected to a centrifuge 36. The flue gas outlet of the third-stage conversion tower 33 is connected with an activated carbon absorption tower 37 through a flue gas exhaust pipeline; the activated carbon absorption tower 37 is connected to a steel chimney 38. A negative pressure fan 39 is arranged on the smoke exhaust pipeline.
The working process is as follows: 75 percent of inorganic high-sulfur miscellaneous salt is added with 25 percent of silicon dioxide according to the proportion, the mixture is added into a horizontal type total oxygen incinerator 11, the melting adopts total oxygen combustion, the temperature is controlled to be about 1500 ℃, and a sodium silicate product is formed by a briquetting machine 13, blocking, cooling and forming procedures and enters a sodium silicate storage tank 15. The high sulfur-containing flue gas from the horizontal type total oxygen incinerator 11 enters the vertical type total oxygen incinerator 21, and enters a steam boiler 22 together with the flue gas generated in the section.
Adding the organic solid-liquid hazardous waste into a vertical total oxygen incinerator 21; in the vertical type total oxygen incinerator 21, after the metal-containing solid waste is melted, corresponding metal melt is produced, and the metal melt is discharged from the furnace bottom to form a metal blank body for selling; various combustible grease and plastic are burnt to provide a large amount of waste heat and a section of flue gas to improve the heat energy of the waste heat boiler; after the high-temperature flue gas with the temperature of about 1300-1400 ℃ enters the steam boiler 22, the boiler is heated to generate steam for external use. In order to prevent dioxin in the smoke generated in the incineration process from being eliminated, the smoke is rapidly reduced from 500 ℃ to 200-230 ℃ by water mist at the smoke outlet of the waste heat boiler 22. After the temperature is reduced, the flue gas enters a bag type dust collector for flue gas dust removal, and the flue gas enters a purification tower 24 for further purification after the flue gas dust removal. The purified flue gas enters a first-stage conversion tower 31, and SO in the flue gas is absorbed by the flue gas and alkali liquor containing sodium pyrosulfite with certain concentration from a second-stage conversion tower 32 2 To produce a high-concentration sodium metabisulfite product, and the sodium metabisulfite product is separated out by a centrifuge 36 in a centrifugal way. The middle-concentration sulfur flue gas absorbed by the first-stage conversion tower 31 enters a second-stage conversion tower 32, and absorbs SO in the flue gas with alkali liquor containing low-concentration sodium metabisulfite from a third-stage conversion tower 33 2 Generating low-concentration sodium pyrosulfite, and introducing the low-concentration sulfur-containing flue gas passing through the secondary conversion tower 32 into the tertiary conversion tower 33 and the alkali liquor storage tank 35, further absorbing residual sulfur in the flue gas by the high-concentration alkali liquor entering the flue gas. The flue gas passing through the three-stage conversion tower 33 is pumped into an active carbon absorption tower 37 through a negative pressure fan 39 for further absorption treatment, and then is subjected to standard reaching and ultralow emission through a steel chimney 38.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (9)
1. The comprehensive utilization and treatment system for the organic solid-liquid hazardous wastes and the inorganic high-sulfur-content miscellaneous salts is characterized by comprising an inorganic high-sulfur-content miscellaneous salt treatment section (1), an organic solid-liquid hazardous waste treatment section (2) and a sulfur-containing flue gas treatment section (3);
the inorganic high-sulfur-content miscellaneous salt treatment section (1) comprises a first total oxygen incinerator; the first total oxygen incinerator is provided with a charging hopper; a block making device is arranged at the discharge port of the first total oxygen incinerator;
the organic solid-liquid hazardous waste treatment section (2) comprises a second total oxygen incinerator, a waste heat utilization boiler and a dust removal purification device; the first total oxygen incinerator is connected with the second total oxygen incinerator through a flue gas pipeline; the smoke outlet of the second total oxygen incinerator is connected with a waste heat utilization boiler; the second total oxygen incineration boiler is connected with a metal melt storage tank; the waste heat utilization boiler is connected with the dust removal and purification device through a sulfur-containing flue gas pipeline;
the sulfur-containing flue gas treatment section (3) comprises a multi-stage conversion tower, and the multi-stage conversion tower is connected with an alkali liquor storage tank through an alkali liquor pump; the dust removal purification device is connected with a multi-stage conversion tower through a pipeline, and the multi-stage conversion tower is connected with a centrifugal machine.
2. The system for comprehensively utilizing and treating organic solid-liquid hazardous wastes and inorganic high-sulfur-content miscellaneous salts according to claim 1, wherein the first oxygen-rich incinerator is a horizontal furnace, and the second oxygen-rich incinerator is a vertical furnace.
3. The comprehensive utilization and treatment system for organic solid-liquid hazardous wastes and inorganic high-sulfur-content miscellaneous salts, according to claim 1, is characterized in that a discharge port of the block making device is connected with a cooling and conveying device.
4. The comprehensive utilization and treatment system for the organic solid-liquid hazardous wastes and the inorganic high-sulfur-content miscellaneous salts as claimed in claim 1, wherein a cooling water spraying device is arranged at a flue gas outlet of the waste heat utilization boiler.
5. The comprehensive utilization and treatment system for organic solid-liquid hazardous wastes and inorganic high-sulfur-content miscellaneous salts according to claim 1, wherein the dust removal purification device comprises a dust remover and a purification tower, and the sulfur-containing flue gas pipeline is connected to the purification tower through the dust remover.
6. The comprehensive utilization and treatment system for organic solid-liquid hazardous wastes and inorganic high-sulfur-content miscellaneous salts according to claim 5, wherein the multistage conversion tower comprises a primary conversion tower, a secondary conversion tower and a tertiary conversion tower which are connected in series; and a flue gas outlet of the purification tower is connected with the primary conversion tower through a pipeline.
7. The comprehensive utilization and treatment system for the organic solid-liquid hazardous wastes and the inorganic high-sulfur-content miscellaneous salts, according to claim 6, is characterized in that a flue gas outlet of the tertiary conversion tower is connected with a waste gas absorption tower through a smoke exhaust pipeline; the waste gas absorption tower is connected with a chimney.
8. The system for comprehensively utilizing and treating organic solid-liquid hazardous wastes and inorganic high-sulfur-content miscellaneous salts according to claim 7, characterized in that the smoke exhaust pipeline is provided with a negative pressure fan.
9. The comprehensive utilization and treatment system for the organic solid-liquid dangerous wastes and the inorganic high-sulfur-content miscellaneous salts according to claim 7, characterized in that the waste gas absorption tower is an activated carbon absorption tower.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221799474.3U CN218154215U (en) | 2022-07-13 | 2022-07-13 | Organic solid-liquid hazardous waste and inorganic high-sulfur-content miscellaneous salt comprehensive utilization and treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221799474.3U CN218154215U (en) | 2022-07-13 | 2022-07-13 | Organic solid-liquid hazardous waste and inorganic high-sulfur-content miscellaneous salt comprehensive utilization and treatment system |
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| CN218154215U true CN218154215U (en) | 2022-12-27 |
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| CN202221799474.3U Active CN218154215U (en) | 2022-07-13 | 2022-07-13 | Organic solid-liquid hazardous waste and inorganic high-sulfur-content miscellaneous salt comprehensive utilization and treatment system |
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