CN220216188U - Comprehensive treatment system for calcium carbide dust - Google Patents
Comprehensive treatment system for calcium carbide dust Download PDFInfo
- Publication number
- CN220216188U CN220216188U CN202322365005.1U CN202322365005U CN220216188U CN 220216188 U CN220216188 U CN 220216188U CN 202322365005 U CN202322365005 U CN 202322365005U CN 220216188 U CN220216188 U CN 220216188U
- Authority
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- China
- Prior art keywords
- lime
- calcium carbide
- treatment unit
- dust
- ash
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- 239000000428 dust Substances 0.000 title claims abstract description 65
- 239000005997 Calcium carbide Substances 0.000 title claims abstract description 52
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000004571 lime Substances 0.000 claims abstract description 61
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 60
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 60
- 238000000746 purification Methods 0.000 claims abstract description 24
- 239000002351 wastewater Substances 0.000 claims abstract description 14
- 239000003814 drug Substances 0.000 claims abstract description 13
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 27
- 229910052799 carbon Inorganic materials 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 8
- 239000003610 charcoal Substances 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical group [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model belongs to the technical field of environmental treatment, and relates to a calcium carbide dust comprehensive treatment system. Comprises a lime treatment unit, a purification scattered point ash treatment unit, a carbon material ash treatment unit, a wastewater station medicament bin and a power plant fluidized bed; the lime treatment unit is respectively communicated with the waste water station medicament bin and the purification scattered point lime treatment unit; the purification scattered point ash treatment unit is respectively communicated with the carbon material ash treatment unit and the fluidized bed of the power plant; the carbon material ash treatment unit is communicated with the fluidized bed of the power plant. According to the calcium carbide dust comprehensive treatment system, the comprehensive utilization rate of dust is improved through comprehensive treatment, and the treatment cost is saved.
Description
Technical Field
The utility model belongs to the technical field of environmental treatment, and relates to a calcium carbide dust comprehensive treatment system.
Background
The calcium carbide industry belongs to the traditional high energy consumption industry, and the traditional calcium carbide production has more dust emission, more solid waste and poor site environment. The calcium carbide production process is matched with links such as a semi-coke drying device, a lime kiln calcining device, a raw material conveying system, a calcium carbide discharging system and the like; in actual production, dust with different properties, such as purified ash, scattered point ash, carbon powder, lime powder and the like, is generated in each link, and dust raising points are scattered, so that the centralized treatment difficulty is high; the current dust removal mode is that dust collectors are additionally arranged at all dust raising points respectively, dust at all dust raising points is collected respectively through the dust collectors, and small-sized delivery treatment is used, so that although the dust raising treatment can be realized, the following problems exist: (1) The existing collected dust is sent out for treatment, so that the utilization rate of the dust is reduced; (2) The existing collected dust is sent out, and as the dust belongs to solid waste, the sending out treatment cost is paid according to the quantity, and the treatment cost is increased; (3) Secondary dust pollution is caused in the process of dust loading by using the trolley, and the environment is polluted.
Disclosure of Invention
Aiming at the technical problems of low utilization rate and high treatment cost of dust treatment, the utility model provides a comprehensive treatment system for calcium carbide dust, which improves the comprehensive utilization rate of the dust and saves the treatment cost through comprehensive treatment.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a calcium carbide dust comprehensive treatment system comprises a lime treatment unit, a purification scattered point ash treatment unit, a carbon material ash treatment unit, a wastewater station medicament bin and a power plant fluidized bed; the lime treatment unit is respectively communicated with the waste water station medicament bin and the purification scattered point lime treatment unit; the purification scattered point ash treatment unit is respectively communicated with the carbon material ash treatment unit and the fluidized bed of the power plant; the carbon material ash treatment unit is communicated with the fluidized bed of the power plant.
Further defined, the carbon ash treatment unit comprises a drying furnace body and a carbon ash tank communicated with the drying furnace body; the drying furnace body is also communicated with the purification scattered point ash treatment unit; and the carbon ash tank is communicated with the fluidized bed of the power plant.
Further defined, the carbon ash tank is provided with a carbon ash inlet and a carbon ash outlet respectively; the charcoal ash inlet is communicated with the drying furnace body; and the carbon ash outlet is respectively communicated with the bottom of the drying furnace body and the fluidized bed of the power plant.
Further limited, the purification scattered point ash treatment unit comprises a calcium carbide furnace body and a purification ash tank; the purification ash tank is respectively communicated with the calcium carbide furnace body, the fluidized bed of the power plant and the drying furnace body; the calcium carbide furnace body is communicated with the lime treatment unit.
Further defined, the purification scattered point ash treatment unit further comprises a scattered point ash tank; the scattered point ash tank is respectively communicated with the calcium carbide furnace body and the fluidized bed of the power plant.
Further defined, the lime treatment unit comprises a lime kiln body and a lime tank; the lime tank is respectively communicated with the lime kiln body, the calcium carbide furnace body and the waste water station medicament bin.
Further defined, the lime treatment unit further comprises a lime ball bin and a ball pressing device; the lime tank is communicated with the calcium carbide furnace body through the ball pressing device and the lime ball bin in sequence.
Further defined, the lime treatment unit further comprises a belt arranged between the lime ball bin and the calcium carbide furnace body.
Further limited, the calcium carbide dust comprehensive treatment system also comprises ash bins which are respectively connected with the fluidized bed and the drying furnace body of the power plant.
Further defined, the calcium carbide dust comprehensive treatment system further comprises a tank car connected with the ash bin.
The beneficial effects of the utility model are as follows:
1. the utility model discloses, through setting up waste water station medicament storehouse and power plant fluidized bed, concentrate integrated treatment with the dust of each node of carbide to according to the dust of different properties, realize the matter utilization, improve dust comprehensive utilization rate.
2. According to the utility model, the dust is comprehensively treated and reused in a production system, and compared with the existing outward feeding treatment, the treatment cost is greatly saved.
3. According to the utility model, the ash bin and the tank truck are arranged, ash burnt by the drying furnace is collected and is sent to a production downstream system through the tank truck, so that the comprehensive utilization rate is further improved, sustainable development is realized, secondary dust emission is reduced, and clean production is realized.
4. In the utility model, the dust in each node is conveyed pneumatically, so that dust emission is reduced, and the site environment is ensured.
Drawings
FIG. 1 is a schematic diagram of a dust comprehensive treatment system provided by the utility model;
wherein:
1-a drying furnace body; 2-a calcium carbide furnace body; 3-lime kiln body; 4, a reagent bin of a waste water station; 5-a fluidized bed of the power plant; 6-ball pressing device; 7, purifying an ash tank; 8, scattered point ash can; 9, a carbon ash tank; 10-a lime tank; 11-a lime ball bin; 12-ash bin; 13-tank car.
Detailed Description
The utility model will now be described in detail with reference to the drawings and examples.
Example 1
Referring to fig. 1, the calcium carbide dust comprehensive treatment system of the utility model comprises a lime treatment unit, a purification scattered point ash treatment unit, a carbon material ash treatment unit, a wastewater station medicament bin 4 and a power plant fluidized bed 5. The lime treatment unit is respectively communicated with the waste water station medicament bin 4 and the purification scattered point lime treatment unit; the purification scattered point ash treatment unit is respectively communicated with the carbon material ash treatment unit and the power plant fluidized bed 5; the carbon ash treatment unit is communicated with the fluidized bed 5 of the power plant.
Specifically, the charcoal ash treatment unit comprises a drying furnace body 1 and a charcoal ash tank 9 communicated with the drying furnace body 1; the drying furnace body 1 is also communicated with a purification scattered point ash treatment unit; the carbon ash tank 9 is communicated with the fluidized bed 5 of the power plant.
A carbon ash inlet and a carbon ash outlet are respectively arranged on the carbon ash tank 9; the charcoal ash inlet is communicated with the drying furnace body 1; the carbon ash outlet is respectively communicated with the bottom of the drying furnace body 1 and the fluidized bed 5 of the power plant.
In the combustion process of the calcium carbide drying furnace, carbon ash is generated, and the carbon ash generated at each dust collecting point is intensively conveyed into a carbon ash tank 9 in a pneumatic conveying mode; part of the collected carbon ash is sent to a fluidized bed 5 of a power plant for incineration through a pneumatic conveying pipeline; the other part is sent to the spray furnace of the drying furnace body 1 for burning through a pneumatic conveying pipeline, so as to realize the reutilization of the carbon ash.
Example 2
In the embodiment, the purifying scattered point ash treatment unit comprises a calcium carbide furnace body 2 and a purifying ash tank 7; the purification ash tank 7 is respectively communicated with the calcium carbide furnace body 2, the power plant fluidized bed 5 and the drying furnace body 1; the calcium carbide furnace body 2 is communicated with the lime treatment unit. The scattered point ash purifying treatment unit also comprises a scattered point ash tank 8; the scattered point ash tank 8 is respectively communicated with the calcium carbide furnace body 2 and the power plant fluidized bed 5.
In production, the calcium carbide furnace body 2 produces two different types of dust, including clean dust and scattered dust. The purified ash is collected into a purified ash tank 7 through pneumatic conveying after passing through a calcium carbide furnace gas purifying device, and then one path of the purified ash is conveyed through pneumatic conveying and is sprayed into a fluidized bed furnace of a drying furnace body 1 by a Roots blower for burning; the other path is sent to the fluidized bed 5 of the power plant for incineration through a pneumatic conveying pipeline, so that the reuse of the purified ash is realized.
In the concrete implementation, the whole incineration of the purified ash can be realized in the drying furnace body 1 under normal conditions, and when the drying furnace body 1 cannot be completely incinerated in the overhauling period, the purified ash is conveyed into the fluidized bed 5 of the power plant by pneumatic conveying for incineration.
Scattered point ash generated by the calcium carbide furnace body 2 is conveyed into the scattered point ash tank 8 in a centralized manner through pneumatic conveying, and then conveyed into the fluidized bed 5 of the power plant through a pneumatic conveying pipeline to be burnt, so that the scattered point ash is reused.
Example 3
In this embodiment, the lime treatment unit comprises a lime kiln body 3 and a lime tank 10; the lime tank 10 is respectively communicated with the lime kiln body 3, the calcium carbide furnace body 2 and the waste water station medicament bin 4. The lime treatment unit also comprises a lime ball bin 11 and a ball pressing device 6; the lime tank 10 is communicated with the calcium carbide furnace body 2 through the ball pressing device 6 and the lime ball bin 11 in sequence.
Preferably, the lime treatment unit further comprises a belt arranged between the lime ball bin 11 and the calcium carbide furnace body 2.
Specifically, lime powder generated by the lime kiln body 3 is conveyed into the lime tank 10 in a centralized manner through a pneumatic conveying mode, and most of lime powder is conveyed into the calcium carbide furnace body 2 as a raw material after being pressed into a sphere by the ball pressing device 6; in addition, a small amount of lime powder is conveyed into a waste water station medicament bin 4 of an industrial waste water treatment station in a pneumatic conveying mode to replace calcium hydroxide powder as a hardening agent, so that the lime powder is reused.
Example 4
In this implementation, the calcium carbide dust comprehensive treatment system further comprises an ash bin 12 connected with the fluidized bed 5 of the power plant and the drying furnace body 1 respectively, and further comprises a tank truck 13 connected with the ash bin 12.
In order to improve the utilization efficiency of dust, the purified ash burnt in the drying furnace body 1, the purified ash burnt in the power plant fluidized bed 5 and scattered ash burnt in the power plant fluidized bed 5 are sent, and the treatment of burning ash is realized by arranging an ash bin 12 and a tank truck 13.
The ash produced after incineration is harmless, the main component is magnesium oxide, and the magnesium oxide is stored in an ash bin 12 through a vacuum pump slag pumping process and is sent to a downstream user through a tank truck 13 to serve as industrial raw materials.
In the implementation process, the adopted pneumatic conveying mode is specifically realized by using compressed air for conveying, and the compressed air is not recycled. After the compressed air sends the dust into the corresponding collecting tank, the air is discharged to the atmosphere (20 mg/m after passing through a dust remover arranged at the top of the collecting tank 3 The dust is collected and then sent to corresponding equipment from the lower part for recycling, thereby realizing comprehensive treatment.
Claims (10)
1. The comprehensive treatment system for the calcium carbide dust is characterized by comprising a lime treatment unit, a purification scattered point lime treatment unit, a carbon material lime treatment unit, a wastewater station medicament bin (4) and a power plant fluidized bed (5); the lime treatment unit is respectively communicated with the waste water station medicament bin (4) and the purification scattered point lime treatment unit; the purification scattered point ash treatment unit is respectively communicated with the carbon material ash treatment unit and the power plant fluidized bed (5); the carbon material ash treatment unit is communicated with a fluidized bed (5) of the power plant.
2. The calcium carbide dust comprehensive treatment system according to claim 1, wherein the carbon dust treatment unit comprises a drying furnace body (1) and a carbon dust tank (9) communicated with the drying furnace body (1); the drying furnace body (1) is also communicated with the purification scattered point ash treatment unit; the carbon ash tank (9) is communicated with the fluidized bed (5) of the power plant.
3. The calcium carbide dust comprehensive treatment system according to claim 2, wherein a carbon dust inlet and a carbon dust outlet are respectively arranged on the carbon dust tank (9); the charcoal ash inlet is communicated with the drying furnace body (1); the carbon ash outlet is respectively communicated with the bottom of the drying furnace body (1) and the fluidized bed (5) of the power plant.
4. The calcium carbide dust comprehensive treatment system according to claim 3, wherein the purification scattered point dust treatment unit comprises a calcium carbide furnace body (2) and a purification dust tank (7); the purification ash tank (7) is respectively communicated with the calcium carbide furnace body (2), the power plant fluidized bed (5) and the drying furnace body (1); the calcium carbide furnace body (2) is communicated with the lime treatment unit.
5. The calcium carbide dust comprehensive treatment system according to claim 4, wherein the purification scattered point dust treatment unit further comprises a scattered point dust tank (8); the scattered point ash tank (8) is respectively communicated with the calcium carbide furnace body (2) and the power plant fluidized bed (5).
6. The calcium carbide dust comprehensive treatment system according to claim 5, wherein the lime treatment unit comprises a lime kiln body (3) and a lime tank (10); the lime tank (10) is respectively communicated with the lime kiln body (3), the calcium carbide furnace body (2) and the waste water station medicament bin (4).
7. The calcium carbide dust comprehensive treatment system according to claim 6, wherein the lime treatment unit further comprises a lime ball bin (11) and a ball pressing device (6); the lime tank (10) is communicated with the calcium carbide furnace body (2) through the ball pressing device (6) and the lime ball bin (11) in sequence.
8. The calcium carbide dust comprehensive treatment system according to claim 7, wherein the lime treatment unit further comprises a belt arranged between the lime ball bin (11) and the calcium carbide furnace body (2).
9. The calcium carbide dust comprehensive treatment system according to any one of claims 2-8, further comprising an ash bin (12) connected to the fluidized bed (5) and the drying furnace (1) of the power plant, respectively.
10. The calcium carbide dust comprehensive treatment system according to claim 9, further comprising a tank truck (13) connected to the clinker silo (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322365005.1U CN220216188U (en) | 2023-08-31 | 2023-08-31 | Comprehensive treatment system for calcium carbide dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322365005.1U CN220216188U (en) | 2023-08-31 | 2023-08-31 | Comprehensive treatment system for calcium carbide dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220216188U true CN220216188U (en) | 2023-12-22 |
Family
ID=89183713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322365005.1U Active CN220216188U (en) | 2023-08-31 | 2023-08-31 | Comprehensive treatment system for calcium carbide dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220216188U (en) |
-
2023
- 2023-08-31 CN CN202322365005.1U patent/CN220216188U/en active Active
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