CN216716242U - Concentrated solution treatment device for waste incineration power generation system - Google Patents
Concentrated solution treatment device for waste incineration power generation system Download PDFInfo
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- CN216716242U CN216716242U CN202121975402.5U CN202121975402U CN216716242U CN 216716242 U CN216716242 U CN 216716242U CN 202121975402 U CN202121975402 U CN 202121975402U CN 216716242 U CN216716242 U CN 216716242U
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- concentrated solution
- power generation
- generation system
- incineration power
- waste incineration
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- 238000010248 power generation Methods 0.000 title claims abstract description 20
- 238000004056 waste incineration Methods 0.000 title claims abstract description 19
- 238000002485 combustion reaction Methods 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims description 19
- 239000008235 industrial water Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- 239000010813 municipal solid waste Substances 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005507 spraying Methods 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model discloses a concentrated solution treatment device for a waste incineration power generation system, which comprises a leachate treatment station and an incinerator, wherein a drying zone, a combustion zone and a burnout zone are sequentially arranged in the incinerator from top to bottom; compared with the traditional treatment mode of the back-spraying boiler, the method has the advantages that the concentrated solution is sprayed to the drying area of the incinerator, so that the concentrated solution is mixed with the garbage to be incinerated in the drying area and then enters the combustion area for combustion, the back-spraying of the concentrated solution to the boiler is avoided, the combustion efficiency of the boiler is improved, the corrosion to the boiler is reduced, and the investment of equipment is reduced; and simultaneously, concentrated solution can be thoroughly removed, and the treatment mode is environment-friendly.
Description
Technical Field
The utility model relates to the field of waste incineration power generation, in particular to a concentrated solution treatment device for a waste incineration power generation system.
Background
The waste incineration is a traditional method for treating the waste, and the waste incineration method is one of the main methods for treating the urban waste because the waste is treated by the incineration method, the reduction effect is obvious, the land is saved, various pathogens can be killed, toxic and harmful substances are converted into harmless substances, and the heat energy generated by the waste incineration can be used for generating electricity.
As shown in figure 1, the waste incineration power generation system in the prior art comprises a waste pit (1), an incinerator, a leachate treatment station (2) and a turbine generator system, wherein the waste is fermented and dehydrated in the waste pit (1) and then enters the incinerator for combustion, and high-temperature flue gas generated by burning the waste in the incinerator is used for the turbine generator system to generate power. Leachate generated after fermentation and dehydration of the garbage in the garbage pit is subjected to anaerobic treatment, nitrification treatment, denitrification treatment and filtration treatment through a leachate treatment station (2) to generate most of industrial water and a small part of concentrated solution, and the industrial water is conveyed to a circulating pool (3) through an industrial water discharge port (21) for recycling. Because the concentrated solution contains a large amount of heavy metal ions, the concentrated solution has great pollution to the environment and can not be directly discharged. The traditional treatment method for the concentrated solution comprises the following steps: the concentrated solution is atomized from the concentrated solution outlet (22) and then sprayed back to the boiler (4) for treatment, the water content of the flue gas is increased in the actual back spraying treatment, and the ash deposited on the heated surface of the boiler (4) is seriously corroded due to the complex component content of the concentrated solution, so that the service life of the boiler is greatly shortened, and the operation period of the boiler is also seriously restricted.
The inventor of this application is dedicated to the research of msw incineration power generation, has applied for a msw incineration power generation system that publication number is CN208237882U in 2018, includes the leachate treatment station that handles rubbish leachate and carries out the desulfurizing tower of desulfurization to the flue gas, leachate treatment station is provided with concentrate discharge port and industrial water discharge port, and the desulfurizing tower includes lime thick liquid preparation facilities, metering tank, pump and the rotatory spray tower that connects gradually, the concentrate discharge port passes through the pipeline and is connected with the metering tank, introduces the concentrate into the metering tank. In addition, a waste incineration power generation system with the publication number of CN211757542U was also applied in 2019, which includes a leachate treatment station for treating the leachate of waste and a mixer arranged in the ash bin for chelating and solidifying the dust, wherein the leachate treatment station is provided with a concentrated solution outlet and an industrial water outlet, the concentrated solution outlet is connected with the mixer through a pipeline, and the pipeline is provided with a pump for providing power. The two applications respectively use the concentrated solution for blending the lime slurry and the chelating agent, so that hazardous wastes are comprehensively utilized, a good effect is obtained, but the amount of the concentrated solution is large, and only part of the concentrated solution can be consumed.
SUMMERY OF THE UTILITY MODEL
Aiming at the problem of concentrated solution discharge in the traditional waste incineration power generation system, the utility model provides a concentrated solution treatment device for a waste incineration power generation system.
The technical scheme adopted by the utility model is as follows: a dense fluid processing apparatus for msw incineration power generation system, including leachate treatment station and burning furnace, top-down has set gradually drying zone, combustion area and burn out the district in the burning furnace, and leachate treatment station is provided with dense fluid discharge port and industrial water discharge port, the inner wall of drying zone is provided with a plurality of shower nozzles, and the shower nozzle passes through the pipe connection dense fluid discharge port, be provided with the pump that is used for providing power on the pipeline. Compared with the traditional treatment mode of the back-spraying boiler, the treatment method of the utility model sprays the concentrated solution to the drying area of the incinerator, so that the concentrated solution is mixed with the garbage to be incinerated in the drying area and then enters the combustion area for combustion. The temperature in the drying area is higher, so that the water can be well evaporated, the residues of organic pollutants, heavy metals and the like in the concentrated solution and the garbage are incinerated at high temperature, and the salt in the concentrated solution can be well and uniformly absorbed in the burned furnace slag. The utility model avoids the concentrated solution from being sprayed back to the boiler, improves the combustion efficiency of the boiler, reduces the corrosion to the boiler and reduces the investment of equipment; and simultaneously, concentrated solution can be thoroughly removed, and the treatment mode is environment-friendly.
Furthermore, a flow valve is arranged on the pipeline, and the flow of the concentrated liquid in the pipeline can be controlled according to different requirements.
Further, the nozzle is an atomizing nozzle, and atomized concentrated liquid can be better mixed with garbage, so that the mixture is more uniform.
Furthermore, the spray heads are horizontally arranged, so that the spraying range of the spray heads is enlarged to the maximum extent, and the sprayed concentrated solution is more uniformly scattered on the garbage.
Furthermore, the spray nozzle is made of metal alloy, has the advantages of high strength, corrosion resistance, rust resistance, light weight and the like, and can greatly prolong the service life of the spray nozzle.
Further, the nozzle is made of titanium alloy.
The utility model has the beneficial effects that: the concentrated solution is sprayed to the drying zone of the incinerator, so that the concentrated solution is mixed with the garbage to be incinerated in the drying zone and then enters the combustion zone for combustion, the concentrated solution can be thoroughly removed, and the treatment mode is environment-friendly; meanwhile, the concentrated solution is prevented from being sprayed back to the boiler, the combustion efficiency of the boiler is improved, the corrosion to the boiler is reduced, and the service life of equipment is prolonged.
Drawings
FIG. 1 is a schematic view of a prior art waste incineration power generation system.
Fig. 2 is a schematic structural diagram of the present invention.
Labeled as: 1. a garbage pit; 2. a leachate treatment station; 3. a circulation tank; 4. a boiler; 5. an incinerator; 6. a spray head; 7. a pump; 8. a flow valve; 21. an industrial water discharge port; 22. a concentrated solution outlet; 51. a drying zone; 52. a combustion zone; 53. A burnout zone.
Detailed Description
In the description of the present invention, it should be noted that the terms "front face", "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model is further described below with reference to the accompanying drawings.
Examples
Referring to fig. 2, the concentrated solution treatment device for the waste incineration power generation system comprises a leachate treatment station 2 and an incinerator 5, wherein a drying zone 51, a combustion zone 52 and a burnout zone 53 are sequentially arranged in the incinerator from top to bottom, the leachate treatment station is provided with a concentrated solution discharge port 22 and an industrial water discharge port 21, the inner wall of the drying zone is provided with a plurality of spray heads 6, the spray heads 6 are connected with the concentrated solution discharge port 22 through pipelines, and the pipelines are provided with pumps 7 for providing power. Compared with the traditional treatment mode of the back-spraying boiler, the treatment method of the utility model sprays the concentrated solution to the drying area of the incinerator, so that the concentrated solution is mixed with the garbage to be incinerated in the drying area and then enters the combustion area for combustion. The temperature in the drying area is higher, so that the water can be well evaporated, the residues of organic pollutants, heavy metals and the like in the concentrated solution and the garbage are incinerated at high temperature, and the salt in the concentrated solution can be well and uniformly absorbed in the burned furnace slag. The utility model avoids the concentrated solution from being sprayed back to the boiler, improves the combustion efficiency of the boiler, reduces the corrosion to the boiler and reduces the investment of equipment; and simultaneously, concentrated solution can be thoroughly removed, and the treatment mode is environment-friendly.
Referring to fig. 2, in the embodiment, a flow valve 8 is arranged on the pipeline, and the flow of the concentrated liquid in the pipeline can be controlled according to different requirements.
The shower nozzle of this embodiment is atomizer, and the dense liquid after the atomizing can be better mixes with rubbish, mixes more evenly.
The spray heads of the embodiment are horizontally arranged, so that the spraying range of the spray heads is enlarged to the maximum extent, and the sprayed concentrated solution is more uniformly scattered on garbage.
The spray head of the embodiment is made of titanium alloy, has the advantages of high strength, corrosion resistance, rust resistance, light weight and the like, and can greatly prolong the service life of the spray head.
Taking a certain waste incineration power plant as an example, the plant is provided with three incineration lines, each incineration line is provided with an incinerator, each incinerator can treat about 500 tons of municipal solid waste in one day, and the plant can treat 1500 tons of municipal solid waste in one day. 1500 tons of garbage are fermented to produce about 300 tons of leachate, which accounts for 20% of the weight of the garbage, and the leachate is decomposed into 25% of concentrated liquor, 70% of industrial water and 5% of sludge through a leachate treatment station, wherein the concentrated liquor is about 70 tons. The spray heads in the three incinerators can spray 1.5 tons of concentrated solution per hour, and 36 tons of concentrated solution can be consumed in one day. The concentrated solution is sprayed to the drying zone of the incinerator, so that the concentrated solution is mixed with the garbage to be incinerated in the drying zone and then enters the combustion zone for combustion, the concentrated solution can be thoroughly removed, and the treatment mode is environment-friendly; meanwhile, the concentrated solution is prevented from being sprayed back to the boiler, the combustion efficiency of the boiler is improved, the corrosion to the boiler is reduced, and the service life of equipment is prolonged.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A dense fluid processing apparatus for msw incineration power generation system, including leachate treatment station (2) and burning furnace (5), top-down has set gradually drying zone (51), combustion area (52) and burn out district (53) in the burning furnace, and leachate treatment station is provided with dense fluid discharge port (22) and industrial water discharge port (21), its characterized in that, the inner wall of drying zone is provided with a plurality of shower nozzles (6), and shower nozzle (6) pass through pipe connection dense fluid discharge port (22), be provided with pump (7) that are used for providing power on the pipeline.
2. The thick liquid treatment device for a waste incineration power generation system according to claim 1, wherein a flow valve (8) is provided on the pipe.
3. The thick liquid treatment apparatus for a refuse incineration power generation system according to claim 1, wherein the spray head (5) is an atomizing spray head.
4. The thick liquid treatment apparatus for a waste incineration power generation system according to claim 1, wherein the spray heads are arranged horizontally.
5. The thick liquid treatment apparatus for a waste incineration power generation system according to claim 1, wherein the shower head is made of a metal alloy.
6. The thick liquid treatment apparatus for a waste incineration power generation system according to claim 5, wherein the shower head is made of a titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121975402.5U CN216716242U (en) | 2021-08-20 | 2021-08-20 | Concentrated solution treatment device for waste incineration power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121975402.5U CN216716242U (en) | 2021-08-20 | 2021-08-20 | Concentrated solution treatment device for waste incineration power generation system |
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| Publication Number | Publication Date |
|---|---|
| CN216716242U true CN216716242U (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121975402.5U Active CN216716242U (en) | 2021-08-20 | 2021-08-20 | Concentrated solution treatment device for waste incineration power generation system |
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| Country | Link |
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| CN (1) | CN216716242U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117843169A (en) * | 2023-12-18 | 2024-04-09 | 连云港晨兴环保产业有限公司 | Method for efficiently treating reverse osmosis concentrated water of waste incineration leachate |
| CN118805056A (en) * | 2023-03-12 | 2024-10-18 | 楚智超 | A combustion-supporting method |
-
2021
- 2021-08-20 CN CN202121975402.5U patent/CN216716242U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118805056A (en) * | 2023-03-12 | 2024-10-18 | 楚智超 | A combustion-supporting method |
| CN117843169A (en) * | 2023-12-18 | 2024-04-09 | 连云港晨兴环保产业有限公司 | Method for efficiently treating reverse osmosis concentrated water of waste incineration leachate |
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