CN201330177Y - Device for processing flue gas desulphurization waste water using boiler slag - Google Patents
Device for processing flue gas desulphurization waste water using boiler slag Download PDFInfo
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- CN201330177Y CN201330177Y CNU2009201398434U CN200920139843U CN201330177Y CN 201330177 Y CN201330177 Y CN 201330177Y CN U2009201398434 U CNU2009201398434 U CN U2009201398434U CN 200920139843 U CN200920139843 U CN 200920139843U CN 201330177 Y CN201330177 Y CN 201330177Y
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- slag
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A device of the utility model for processing flue gas desulphurization waste water using boiler slag belongs to a water processing field, and includes a boiler, a electric dust collector, a desulfurizing device, a draught fan, a chimney and a boiler slag pool connected in sequence. The dust collector is arranged on the front of a flue gas inlet of the desulfurizing device and is connected with a boiler exhaust outlet, and the draught fan is arranged on a flue gas outlet of the desulfurizing device and connected with the chimney. A blowdown mouth of the desulfurizing device, a blowdown mouth of the electric dust collector and a deslagging mouth of the boiler are all connected with the boiler slag pool pipe. The bottom of the boiler slag pool is provided with a slag-shaving machine, the top of the boiler slag pool is provided and communicated with a overflow pipe which is communicated with a cyclic pool. the cyclic pool is communicated with a purified water supplementary tube and a alkali liquor supplementary tube, a water pump which is communicated with the purified water supplementary tube and the alkali liquor supplementary tube is arranged between the cyclic pool and a cyclic liquid inlet tube of the desulfurizing device. The device simplifies a sewage treatment technique, reduces the alkali liquor discharging amount, and is capable of reducing the sewage treatment cost and improving the water resource utilization ratio.
Description
Technical field:
The device of slag treatment flue gas desulfurization waste-water that utilizes of the present utility model belongs to water treatment field, relates in particular to a kind of Industrial Wastewater Treatment device.
Background technology:
The wet desulphurization method that boiler smoke is adopted in the past though can remove sulfide in the flue gas preferably, has also produced weakly acidic solution simultaneously, if this solution directly discharge, then polluted-water endangers ecology.Generally be in this solution, directly to add alkali lye to neutralize,, need expend a large amount of alkali lye removal of impurities in addition, strengthened environmental protection input and production cost because the residual foreign material in neutralization back can't be removed.
Summary of the invention:
The purpose of this utility model is to propose a kind ofly can effectively reduce cost of sewage disposal, improves the device that utilizes the slag treatment flue gas desulfurization waste-water of the utilization ratio of water resources.
Coal-fired slag is the melting product behind the coal burning, contains the oxide compound of a large amount of silicon, magnesium, calcium, aluminium, iron, and chemical constitution and physical property see the following form:
Coal-fired slag has three kinds of effects:
1. adsorption filtration effect: slag has vesicular structure, porosity reaches 50-60%, specific surface area is bigger, the surface energy height, the carbon residue that contains in the slag reaches 10-30%, these carbon residues have the character of gac, so slag has stronger physics and chemisorption to the organism in the trade effluent, heavy metal, suspended substance.2. neutralizing effect: the CaO that contains in the slag, MgO, Fe
2O
3, Al
2O
3, K
2O, Na
2Dissolve in the waste water after basic oxide such as O are immersed in water, can improve the pH value of waste water, can be used to the neutralizing acid wastewater, this is handling acid dust waste water, and there is effect preferably acid waste water of mine and some acid heavy metal waste water aspect.3. flocculating settling effect: slag is after being soaked 35-65 minute by neutral water, and the aluminium that is dissolved reaches 22.5-53mg/L.The oxyhydroxide that aluminium forms in water is good flocculation agent, can play throwing out to organism, heavy metal, suspended substance in the waste water, strengthens its clarification effect of settling, and the part inorganic dust in the slag also has coagulation to waste water in addition.
In view of this, the technical solution of the utility model is: the trade effluent employing sequence flow with desulfurization and after handling desulfurization is handled, use slag as filtrate, organism in the trade effluent, heavy metal, suspended substance are adsorbed, filter, neutralize and flocculate, simultaneously and the weakly acid soln that produces after the desulfurization, improve the pH value of solution, the heavy clear liquid circulation after the processing offers desulfurizer and uses.
Utilize the device of slag treatment flue gas desulfurization waste-water to comprise boiler, electric precipitator, desulfurizer, induced draft fan, chimney and the slag pond that order is communicated with.Installing fly-ash separator before the gas approach of desulfurizer, fly-ash separator is communicated with the boiler exhaust mouth, and at desulfurizer smoke outlet installing induced draft fan, it is communicated with chimney.The sewage draining exit of desulfurizer, the sewage draining exit of electric precipitator and boiler slag removal mouth all are communicated with slag pond pipeline.At lower end, slag pond installing slag scraper, top, slag pond is communicated with the installing upflow tube, and it is communicated with circulatory pool.Be connected with water purification and replenish pipe and the additional pipe of alkali lye in circulatory pool, install water pump between the circulation fluid inlet tube of circulatory pool and desulfurizer, the three is communicated with.
The utility model has been simplified sewage treatment process, has reduced the alkali lye injected volume, can effectively reduce cost of sewage disposal, improves the utilization ratio of water resources.
Description of drawings:
Concrete structure of the present utility model is provided by following drawings and Examples:
Fig. 1 is the apparatus structure synoptic diagram that utilizes the slag treatment flue gas desulfurization waste-water.
Legend: 1, boiler, 2, electric precipitator, 3, desulfurizer, 4, induced draft fan, 5, chimney, 6, slag scraper, 7, upflow tube, 8, water pump, 9, circulatory pool, 10, water purification replenishes pipe, 11, alkali lye replenishes pipe, 12, the slag pond.
Embodiment:
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and practical situation.
Embodiment: as shown in Figure 1, utilize the device of slag treatment flue gas desulfurization waste-water to comprise boiler 1, electric precipitator 2, desulfurizer 3, induced draft fan 4, chimney 5 and the slag pond 12 that order is communicated with.The desulfurizer 3 employing patent No.s are 200720176658.3 " Turbulent type spray flue gas thionizer ", installing electric precipitator 2 before its gas approach, electric precipitator 2 is communicated with the venting port of boiler 1, and at the smoke outlet installing induced draft fan 4 of desulfurizer 3, it is communicated with chimney 5.The slag-drip opening of the sewage draining exit of the sewage draining exit of desulfurizer 3, electric precipitator 2 and boiler 1 all is communicated with slag pond 12 pipelines.At 12 lower ends, slag pond installing slag scraper 6,12 tops, slag pond are communicated with installing upflow tube 7, and it is communicated with circulatory pool 9.In circulatory pool 9, be connected with water purification and replenish pipe 10 and the additional pipe 11 of alkali lye, installing water pump 8 between the circulation fluid inlet tube of circulatory pool 9 and desulfurizer 3, the three is communicated with.
The CDPK-E molded breadth spacing electric precipitator that the loyal virtuous Industrial Co., Ltd. in electric precipitator 2 preferred Yingkou produces, the TY-1 type chain-type slag scraper that slag scraper 6 preferred Hefei Liqing Environmental Protection Equipment Co., Ltd. produce.
During operation, according to first slag, waste water again, the order of last flue dust, by pipeline it is entered slag pond 12 from boiler 1, desulfurizer 3, electric precipitator 2 respectively, the three is in pond internal reaction, neutralization, flocculation, precipitation, and the reaction solution that overflows then enters circulatory pool 9 by upflow tube 7.According to level of response, to replenish pipe 11 by additional pipe 10 of water purification and alkali lye and add water purification or alkali lye to circulatory pool 9, the potential of hydrogen with solution in the adjusting circulatory pool 9 pumps into desulfurizer 3 by water pump 8 with suitable weakly alkaline circulation fluid again, finishes full cycle.Flue gas after desulfurizer 3 desulfurization is introduced chimney 5 dischargings by induced draft fan 4.The slag of 12 bottoms, slag pond is scraped outside the pond by slag scraper 6.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease inessential technical characterictic according to actual needs, satisfies the needs of different situations.
Claims (2)
1, a kind of device that utilizes the slag treatment flue gas desulfurization waste-water, comprise the boiler that order is communicated with, electric precipitator, desulfurizer, induced draft fan, chimney and slag pond, it is characterized in that: installing fly-ash separator before the gas approach of desulfurizer, fly-ash separator is communicated with the boiler exhaust mouth, at desulfurizer smoke outlet installing induced draft fan, it is communicated with chimney, the sewage draining exit of desulfurizer, the sewage draining exit of electric precipitator and boiler slag removal mouth all are communicated with the slag pond, at lower end, slag pond installing slag scraper, top, slag pond is communicated with the installing upflow tube, it is communicated with circulatory pool, installs water pump between the circulation fluid inlet tube of circulatory pool and desulfurizer, and the three is communicated with.
2, the device that utilizes the slag treatment flue gas desulfurization waste-water as claimed in claim 1 is characterized in that: be connected with water purification and replenish pipe and the additional pipe of alkali lye in circulatory pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201398434U CN201330177Y (en) | 2009-01-23 | 2009-01-23 | Device for processing flue gas desulphurization waste water using boiler slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201398434U CN201330177Y (en) | 2009-01-23 | 2009-01-23 | Device for processing flue gas desulphurization waste water using boiler slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201330177Y true CN201330177Y (en) | 2009-10-21 |
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ID=41223553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201398434U Expired - Lifetime CN201330177Y (en) | 2009-01-23 | 2009-01-23 | Device for processing flue gas desulphurization waste water using boiler slag |
Country Status (1)
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|---|---|
| CN (1) | CN201330177Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792681A (en) * | 2009-12-07 | 2010-08-04 | 赛鼎工程有限公司 | Hydraulic slag discharging method of crushed coal pressurized-gasification furnace |
| CN103521023A (en) * | 2013-10-21 | 2014-01-22 | 宁海泽 | Turbine differential submersible type desulfurization, denitrification, heavy metal-removal, dedusting and demisting integrated process |
| CN106867592A (en) * | 2017-03-16 | 2017-06-20 | 广东正鹏生物质能源科技有限公司 | A kind of device and method of utilization gasifier slag purifying smoke |
-
2009
- 2009-01-23 CN CNU2009201398434U patent/CN201330177Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792681A (en) * | 2009-12-07 | 2010-08-04 | 赛鼎工程有限公司 | Hydraulic slag discharging method of crushed coal pressurized-gasification furnace |
| CN101792681B (en) * | 2009-12-07 | 2013-01-16 | 赛鼎工程有限公司 | Hydraulic slag discharging method of crushed coal pressurized-gasification furnace |
| CN103521023A (en) * | 2013-10-21 | 2014-01-22 | 宁海泽 | Turbine differential submersible type desulfurization, denitrification, heavy metal-removal, dedusting and demisting integrated process |
| CN106867592A (en) * | 2017-03-16 | 2017-06-20 | 广东正鹏生物质能源科技有限公司 | A kind of device and method of utilization gasifier slag purifying smoke |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XINJIANG RISING SUN ENVIRONMENTAL PROTECTION CO., Free format text: FORMER OWNER: ZHANG JUHUANG Effective date: 20110512 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110512 Address after: 830011, 26 floor, A, Weihai International Commercial Affairs Building, Mustang,, 158 Kunming Road, hi tech Zone, the Xinjiang Uygur Autonomous Region, Urumqi Patentee after: Xinjiang Risingsun Environmental Protection Co., Ltd. Address before: 830011, 26 floor, A, Weihai International Commercial Affairs Building, Mustang,, 158 Kunming Road, hi tech Zone, the Xinjiang Uygur Autonomous Region, Urumqi Patentee before: Zhang Juhuang |
|
| CP02 | Change in the address of a patent holder |
Address after: 830013, the Xinjiang Uygur Autonomous Region Urumqi hi tech Development Zone (new urban area) ring road 739, 1, 1, 1 Patentee after: Xinjiang Risingsun Environmental Protection Co., Ltd. Address before: 830011, 26 floor, A, Weihai International Commercial Affairs Building, Mustang,, 158 Kunming Road, hi tech Zone, the Xinjiang Uygur Autonomous Region, Urumqi Patentee before: Xinjiang Risingsun Environmental Protection Co., Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091021 |
|
| CX01 | Expiry of patent term |