CN205216501U - Flue gas deacidification quench tower system - Google Patents
Flue gas deacidification quench tower system Download PDFInfo
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- CN205216501U CN205216501U CN201521006832.0U CN201521006832U CN205216501U CN 205216501 U CN205216501 U CN 205216501U CN 201521006832 U CN201521006832 U CN 201521006832U CN 205216501 U CN205216501 U CN 205216501U
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- alkaline solution
- flue gas
- cold column
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Abstract
The utility model discloses a flue gas deacidification quench tower system, include: quench tower, its top are equipped with flue gas inlet, and the lateral wall lower part is equipped with the exhanst gas outlet, and the bottom is equipped with the solid delivery outlet, gas -liquid mixture injection apparatus, its jet locate the upper portion in the quench tower tower body, dilute the alkaline solution storage tank, its pipeline through being equipped with the alkaline solution jet pump is connected with gas -liquid mixture injection apparatus, compressed gas feeding device, it is connected with gas -liquid mixture injection apparatus through the pipeline. The utility model provides a flue gas deacidification quench tower system, with quench tower tower body and the two combination of alkaline solution preparation equipment, the dual result of realization deacidification shock chilling, simplifying processing practices thrift the cost.
Description
Technical field
The utility model belongs to dangerous waste incineration process field, is specifically related to a kind of deacidifying flue gas flash cold column system, is applicable to the incineration flue gas that acidic materials concentration is higher.
Background technology
In dangerous waste incineration process field, when containing more Polychlorinated biphenyls and related substances thereof in the danger wastes burned, synthesize again for controlling bioxin in incineration flue gas, quenching must be carried out to make flue gas quickly through the temperature province of 250 ~ 400 DEG C to flue gas, simultaneously, due to also can containing the acidic materials such as chlorine, sulphur of higher concentration in its incineration flue gas, usually again depickling process be carried out to the flue gas of about 200 DEG C after quenching.
Utility model content
The technical problems to be solved in the utility model is: in prior art, the quenching of flue gas and depickling can not be carried out simultaneously, make complex process, cost up.
In order to solve the problems of the technologies described above, the utility model provides a kind of deacidifying flue gas flash cold column system, by adding alkaline matter in flash cold column cooling medium---and NaOH, makes it while evaporative cooling, neutralize the acidic materials in flue gas, reach the double effects of depickling quenching.
Deacidifying flue gas flash cold column system of the present utility model, comprising:
Flash cold column, its top is provided with gas approach, and lower sidewall is provided with exhanst gas outlet, and bottom is provided with solids outlet;
Gas-liquid mixed injection apparatus, its jet is located at the top in flash cold column tower body;
The alkaline solution storagetank of dilution, it is connected with gas-liquid mixed injection apparatus by the pipeline being provided with alkaline solution jet pump;
Compressed Gas feedway, it is connected with gas-liquid mixed injection apparatus by pipeline.
As optimal technical scheme, described gas-liquid mixed injection apparatus is two-fluid spray gun, its jet is arranged at the top in flash cold column tower body, dilution alkaline solution storagetank is connected by the liquid medium input port of the pipeline with two-fluid spray gun that are provided with alkaline solution jet pump, and Compressed Gas feedway is connected with the gas medium input port of two-fluid spray gun by pipeline.
As optimal technical scheme, the pipeline between the liquid medium input port of alkaline solution jet pump and two-fluid spray gun is provided with flow control valve, is provided with flow control valve between the gas medium input port of Compressed Gas feedway and two-fluid spray gun.
As optimal technical scheme, dilution alkaline solution storagetank is connected with gas-liquid mixed injection apparatus by the pipeline that two are provided with alkaline solution jet pump.
As optimal technical scheme, above-mentioned deacidifying flue gas flash cold column system, also comprises:
Alkaline solution storage tank, it is connected with dilution alkaline solution storage tank by pipeline;
Industry carrys out water pipeline, and it is connected with dilution alkaline solution storage tank.
As optimal technical scheme, alkaline solution storage tank is connected with dilution alkaline solution storage tank by the pipeline that two are provided with alkaline elevator pump.
As optimal technical scheme, the gas approach place of described flash cold column is provided with more than one smoke deflector.
As optimal technical scheme, described smoke deflector is arc, and its dual-side is fixed on the gas approach inwall of flash cold column.
As optimal technical scheme, the solids outlet of described flash cold column is provided with fly ash carry machine.
As optimal technical scheme, in described dilution alkaline solution storagetank, be provided with agitating device.
The deacidifying flue gas flash cold column system that the utility model provides, combines both flash cold column tower body and alkaline solution Preparation equipment, realizes the double result of depickling quenching, Simplified flowsheet, cost-saving.
Accompanying drawing explanation
Fig. 1 is the structural representation of deacidifying flue gas flash cold column system of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, deacidifying flue gas flash cold column system of the present utility model, comprising:
Flash cold column 1, its top is provided with gas approach 10, and lower sidewall is provided with exhanst gas outlet 11, and bottom is provided with solids outlet 12;
Gas-liquid mixed injection apparatus 2, its jet 20 is located at the top in flash cold column 1 tower body;
Dilution alkaline solution storagetank 3, it is connected with gas-liquid mixed injection apparatus 2 by the pipeline being provided with alkaline solution jet pump A2, is provided with agitating device 30 in dilution alkaline solution storagetank 3;
Alkaline solution storage tank 4, it is connected (one for for subsequent use) with dilution alkaline solution storage tank 3 by the pipeline that two are provided with alkaline elevator pump A1.
Industry carrys out water pipeline 5, and it is connected with dilution alkaline solution storage tank.
Compressed Gas feedway 6, it is connected with gas-liquid mixed injection apparatus 2 by pipeline.
In the present embodiment, gas-liquid mixed injection apparatus is two-fluid spray gun, its jet is arranged at the top in flash cold column 1 tower body, dilution alkaline solution storagetank is connected by the liquid medium input port of the pipeline with two-fluid spray gun 7 that are provided with alkaline solution jet pump, and Compressed Gas feedway 6 is connected with the gas medium input port of two-fluid spray gun by pipeline.
Pipeline between the liquid medium input port of alkaline solution jet pump and two-fluid spray gun is provided with flow control valve B1, is provided with flow control valve B2 between the gas medium input port of Compressed Gas feedway and two-fluid spray gun.
Dilution alkaline solution storagetank 3 is connected with gas-liquid mixed injection apparatus 2 (one for for subsequent use) by the pipeline that two are provided with alkaline solution jet pump.
Gas approach 10 place of flash cold column 1 is provided with smoke deflector (not shown).
The solids outlet 12 of flash cold column 1 is provided with fly ash carry machine 14.
Depickling flash cold column system of the present utility model, in process containing in the flue gas quench process of acidic materials, by adding alkaline solution in cooling medium---as: sodium hydrate aqueous solution, makes it while evaporative cooling, neutralize the acidic materials in flue gas, reach the double effects of depickling quenching.
Specifically in enforcement, the sodium hydrate aqueous solution (about 30%) in alkaline solution storage tank 4 enters dilution alkaline solution storage tank 3 after industry water dilution; Flue gas enters from the gas approach 10 at flash cold column 1 tower body top, sodium hydrate aqueous solution after dilution enters two-fluid spray gun through Flow-rate adjustment by liquid medium input port, Compressed Gas (compressed air 0.3-0.6MPa) also enters two-fluid spray gun after Flow-rate adjustment simultaneously, spray from the jet of two-fluid spray gun after the two mixing, quenching and depickling are carried out to the flue gas entering flash cold column 1 tower body inside simultaneously.The utility model by adding alkaline matter in flash cold column cooling medium---and NaOH, makes it while evaporative cooling, has neutralized the acidic materials in flue gas, reaches the double effects of depickling quenching.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (9)
1. a deacidifying flue gas flash cold column system, is characterized in that, comprising:
Flash cold column, its top is provided with gas approach, and lower sidewall is provided with exhanst gas outlet, and bottom is provided with solids outlet;
Gas-liquid mixed injection apparatus, its jet is located at the top in flash cold column tower body;
Dilution alkaline solution storagetank, it is connected with gas-liquid mixed injection apparatus by the pipeline being provided with alkaline solution jet pump;
Compressed Gas feedway, it is connected with gas-liquid mixed injection apparatus by pipeline.
2. deacidifying flue gas flash cold column system according to claim 1, it is characterized in that, described gas-liquid mixed injection apparatus is two-fluid spray gun, its jet is arranged at the top in flash cold column tower body, dilution alkaline solution storagetank is connected by the liquid medium input port of the pipeline with two-fluid spray gun that are provided with alkaline solution jet pump, and Compressed Gas feedway is connected with the gas medium input port of two-fluid spray gun by pipeline.
3. deacidifying flue gas flash cold column system according to claim 2, it is characterized in that, pipeline between the liquid medium input port of alkaline solution jet pump and two-fluid spray gun is provided with flow control valve, is provided with flow control valve between the gas medium input port of Compressed Gas feedway and two-fluid spray gun.
4. deacidifying flue gas flash cold column system according to claim 1, is characterized in that, dilution alkaline solution storagetank is connected with gas-liquid mixed injection apparatus by the pipeline that two are provided with alkaline solution jet pump.
5. deacidifying flue gas flash cold column system according to claim 1, is characterized in that, also comprise:
Alkaline solution storage tank, it is connected with dilution alkaline solution storage tank by pipeline;
Industry carrys out water pipeline, and it is connected with dilution alkaline solution storage tank.
6. deacidifying flue gas flash cold column system according to claim 5, is characterized in that, alkaline solution storage tank is connected with dilution alkaline solution storage tank by the pipeline that two are provided with alkaline elevator pump.
7. deacidifying flue gas flash cold column system according to claim 1, is characterized in that, the gas approach place of described flash cold column is provided with smoke deflector.
8. deacidifying flue gas flash cold column system according to claim 1, is characterized in that, the solids outlet of described flash cold column is provided with fly ash carry machine.
9. deacidifying flue gas flash cold column system according to claim 1, is characterized in that, is provided with agitating device in described dilution alkaline solution storagetank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521006832.0U CN205216501U (en) | 2015-12-08 | 2015-12-08 | Flue gas deacidification quench tower system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521006832.0U CN205216501U (en) | 2015-12-08 | 2015-12-08 | Flue gas deacidification quench tower system |
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| CN205216501U true CN205216501U (en) | 2016-05-11 |
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| CN201521006832.0U Active CN205216501U (en) | 2015-12-08 | 2015-12-08 | Flue gas deacidification quench tower system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114579A (en) * | 2018-10-18 | 2019-01-01 | 上海天汉环境资源有限公司 | A kind of flue gas of refuse burning processing system and treatment process |
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2015
- 2015-12-08 CN CN201521006832.0U patent/CN205216501U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114579A (en) * | 2018-10-18 | 2019-01-01 | 上海天汉环境资源有限公司 | A kind of flue gas of refuse burning processing system and treatment process |
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