CN106395951A - Treatment system of low-temperature spray evaporation desulfurization wastewater - Google Patents
Treatment system of low-temperature spray evaporation desulfurization wastewater Download PDFInfo
- Publication number
- CN106395951A CN106395951A CN201611004575.6A CN201611004575A CN106395951A CN 106395951 A CN106395951 A CN 106395951A CN 201611004575 A CN201611004575 A CN 201611004575A CN 106395951 A CN106395951 A CN 106395951A
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- desulfurization wastewater
- evaporation
- treatment system
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- main pipeline
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/141—Wind power
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a treatment system of low-temperature spray evaporation desulfurization wastewater. The treatment system of low-temperature spray evaporation desulfurization wastewater comprises a water storage tank, a front blade agitator, a front water pipeline, a front slurry circulation pump, a clarifier, a harrow agitator, an inclined self-overflow water pipeline, an overflow water tank, a rear blade agitator, a rear water pipeline, a rear slurry circulation pump, an evaporation tower, a wind pipe, a gate valve and a blower sequentially mounted on the wind pipe along the wind pipe upwards, a main pipeline, a main circulating pump, a polarization device and a heater sequentially mounted on the main pipeline along the main pipeline upwards, a plurality of branch pipes located above the heater, mounted on the main pipeline and inserted into an upper spray evaporation section of the evaporation tower, spraying devices mounted on the branch pipes and a high-efficient demister located above the branch pipes and mounted at the top of the upper spray evaporation section of the evaporation tower. The treatment system of low-temperature spray evaporation desulfurization wastewater, disclosed by the invention, is simple in structure and low in investment and operation cost, recycles desulfurization wastewater and realizes zero discharge of desulfurization wastewater, and further can be widely used in flue gas desulfurization systems of power plant boilers and industrial boilers.
Description
Technical field
The present invention relates to a kind of low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system, can be widely applied to station boiler, industry
In boiler flue gas desulfurization system.
Background technology
Heat-engine plant desulfurized waste water is seriously polluted to environment, is to require the strict pollutant controlling in national environmental standard,
It is also thermal power plant's green technology difficult problem in process of production.Three header processing systems are that domestic at present commonly used desulfurization is given up
Water treatment system, but the chlorion of desulfurization wastewater middle and high concentration can not be removed, and therefore, this system can not meet desulfurization wastewater
The requirement of zero-emission.
Content of the invention
It is an object of the invention to provide a kind of structure is simple, investment is low, operating cost is low, desulfurization wastewater recycles,
Realize the low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of desulfurization wastewater zero-emission.
In order to achieve the above object, low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, including being arranged on desulfurizing tower
The tank of bottom desulfurization wastewater outlet, is arranged on the preposition blade mixer within tank, within insertion tank
Preposition aqueduct, is arranged on the preposition slurry circulating pump on preposition aqueduct, is arranged under the preposition aqueduct port of export
The depositing reservoir of side, is arranged on the mixer. within depositing reservoir, the tilting being arranged on depositing reservoir upper side is from overflow water
Pipeline, is arranged on the overflow pond from overflow water pipe outlet for the tilting, is arranged on the rearmounted blade within overflow pond
Formula agitator, the rearmounted aqueduct within insertion overflow pond, it is arranged on the rearmounted slurry circulating pump on rearmounted aqueduct,
Concentration Sheng liquid section in bottom is arranged on the evaporating column below rearmounted aqueduct port, is arranged on evaporation tower bottom and concentrates in Sheng liquid section
The airduct of side, is sequentially arranged at gate valve on airduct, pressure fan upwards along airduct, is arranged on evaporation tower bottom and concentrates and contains in liquid section
The main pipeline in portion, is sequentially arranged at main circulation pump on main pipeline, polarization device, heater upwards, positioned at heating along main pipeline
It is arranged on main pipeline and inserts several branched pipes of evaporating column top spraying and sprinkling evaporation section above device, be arranged on the spray on branched pipe
Shower device, above branched pipe and be arranged on the high efficiency demister at evaporating column top spraying and sprinkling evaporation section top.
Low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, described heater, is shell-and-tube heat exchanger.
Low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, its operation principle is：Desulfurization wastewater passes through preposition slurries
Circulating pump from tank enter depositing reservoir, depositing reservoir supernatant liquor from overflow to overflow pond, last overflow pond desulfurization wastewater
Evaporating column is delivered to by rearmounted slurry circulating pump and concentrates Sheng liquid section.By main circulation pump, concentrate Sheng liquid section from evaporation tower bottom and take out
Take desulfurization wastewater, flow up along main pipeline, enter branched pipe, through spray equipment, desulfurization wastewater back flows back into evaporating column bottom
Portion concentrates contains liquid section, forms the desulfurization wastewater circulatory system, desulfurization wastewater recycles, and realizes desulfurization wastewater zero-emission.
Low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, described evaporating column, concentrate including bottom contain liquid section and
Top spraying and sprinkling evaporation section.Its operation principle is：Air enters to concentrate by pressure fan contains liquid section, flows from bottom to up in tower.
Concentrate Sheng liquid section desulfurization wastewater and spraying and sprinkling evaporation section is raised to by circulating pump.For preventing pipeline scale, corrosion, setting polarization dress
Put.Desulfurization wastewater, in cyclic process, is heated by the heaters to 40 DEG C ~ 100 DEG C, the desulfurization wastewater after heating is in spraying and sprinkling evaporation section
By spray equipment atomizing spray, finally drop back into concentration and contain liquid section.The desulfurization wastewater of atomizing spray and the air flowing up downwards
Inversely uniformly mix, desulfurization wastewater evaporates and carried by air, and air reaches saturation state at a temperature of this.Air can carry big grain
Footpath drop, enters high efficiency demister, and the saturated moist air after purifying through high efficiency demister eventually enters into desulfurizing tower.When running one section
Between after, concentrate contain liquid section can constantly concentrate generation crystallization, solids of sedimentation, drain into sludge treating system and continue with.
Low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, arranges agitating device, it is to avoid desulfurization wastewater precipitates, structure
Simply, investment is low, and operating cost is low.
Low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, described depositing reservoir, mixer. is set, and desulfurization is given up
Water supernatant liquor passes through tilting and enters overflow pond from overflow water pipeline, and bottom precipitation enters sludge treating system.
Surrounding air is sent into evaporation by airduct by pressure fan by low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention
Tower bottom, airduct can be more than desulfurization wastewater liquid level, also can be below desulfurization wastewater liquid level.
Low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, described heater, it is shell-and-tube heat exchanger, also can adopt
Use other heat-exchanger rigs, heat exchanger and desulfurization wastewater contact site adopt resistant material.
Low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, described heater, using water-water heat exchange form, can
Condensate is exported using low-level (stack-gas) economizer, high-temperature steam or other heat medium water may also be employed.
Low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, described spray equipment, uniformly, stagger arrangement several layers of mist are installed
Change nozzle.
In sum, low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, structure is simple, invests low, operating cost
Low, desulfurization wastewater recycles, and realizes desulfurization wastewater zero-emission.
Brief description
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Fig. 1 is the structural representation of the present invention.
Specific embodiment
Low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, including be arranged on desulfurization tower bottom desulfurization wastewater outlet
Tank 1, is arranged on the preposition blade mixer 2 within tank, the preposition aqueduct 3 within insertion tank, peace
It is contained in the preposition slurry circulating pump 4 on preposition aqueduct, be arranged on the depositing reservoir 5 below the preposition aqueduct port of export, peace
It is contained in the mixer. 6 within depositing reservoir, the tilting being arranged on depositing reservoir upper side, from overflow water pipeline 7, is arranged on
The overflow pond 8 from overflow water pipe outlet for the tilting, is arranged on the rearmounted blade mixer 9 within overflow pond,
Rearmounted aqueduct 10 within insertion overflow pond, is arranged on the rearmounted slurry circulating pump 11 on rearmounted aqueduct, bottom
Concentration Sheng liquid section 12-1 is arranged on the evaporating column 12 below rearmounted aqueduct port, is arranged on evaporation tower bottom and concentrates Sheng liquid section
The airduct 13 of top, is sequentially arranged at gate valve 14 on airduct, pressure fan 15 upwards along airduct, is arranged on evaporation tower bottom and concentrates
Contain the main pipeline 16 of liquid intersegmental part, be sequentially arranged at upwards along main pipeline main circulation pump 17 on main pipeline, polarization device 18, plus
Hot device 19, is arranged on main pipeline and inserts several branched pipes of evaporating column top spraying and sprinkling evaporation section 12-2 above heater
20, it is arranged on the spray equipment 21 on branched pipe, above branched pipe and be arranged on evaporating column top spraying and sprinkling evaporation section top
High efficiency demister 22.
Low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, described heater, is shell-and-tube heat exchanger.
Additionally, in figure, a represents that depositing reservoir bottom precipitation enters sludge treating system, and b represents saturated moist air from evaporating column
Enter desulfurizing tower, c is the outside heating agent flow direction of heater, d is that liquid section condensing crystallizing is contained in concentration and precipitation enters Treatment of Sludge
System.
Low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system of the present invention, the experiment proved that, compared with conventional art, structure letter
Single, investment is low, and operating cost is low.
Claims (2)
1. a kind of low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system it is characterised in that include be arranged on desulfurization tower bottom desulfurization give up
The tank of water out, is arranged on the preposition blade mixer within tank, the preposition water-supply-pipe within insertion tank
Road, is arranged on the preposition slurry circulating pump on preposition aqueduct, is arranged on the depositing reservoir below the preposition aqueduct port of export,
It is arranged on the mixer. within depositing reservoir, the tilting being arranged on depositing reservoir upper side, from overflow water pipeline, is arranged on
The overflow pond from overflow water pipe outlet for the tilting, is arranged on the rearmounted blade mixer within overflow pond, inserts
Enter the rearmounted aqueduct within overflow pond, be arranged on the rearmounted slurry circulating pump on rearmounted aqueduct, bottom concentrates contains
Liquid section is arranged on the evaporating column below rearmounted aqueduct port, is arranged on evaporation tower bottom and concentrates the airduct contained above liquid section,
It is sequentially arranged at gate valve on airduct, pressure fan along airduct upwards, be arranged on evaporation tower bottom and concentrate the supervisor containing liquid intersegmental part
Road, is sequentially arranged at main circulation pump on main pipeline, polarization device, heater upwards along main pipeline, pacifies above heater
It is contained on main pipeline and inserts several branched pipes of evaporating column top spraying and sprinkling evaporation section, be arranged on the spray equipment on branched pipe,
Above branched pipe and be arranged on the high efficiency demister at evaporating column top spraying and sprinkling evaporation section top.
2. low temperature spraying and sprinkling evaporation desulfurization wastewater treatment system according to claim 1 is it is characterised in that described heating
Device, is shell-and-tube heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611004575.6A CN106395951A (en) | 2016-11-15 | 2016-11-15 | Treatment system of low-temperature spray evaporation desulfurization wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611004575.6A CN106395951A (en) | 2016-11-15 | 2016-11-15 | Treatment system of low-temperature spray evaporation desulfurization wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN106395951A true CN106395951A (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611004575.6A Pending CN106395951A (en) | 2016-11-15 | 2016-11-15 | Treatment system of low-temperature spray evaporation desulfurization wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986366A (en) * | 2018-01-03 | 2018-05-04 | 青岛达能环保设备股份有限公司 | Vacuum environment desulfurization wastewater and its sludge treating system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585198A (en) * | 2016-02-29 | 2016-05-18 | 西安西热水务环保有限公司 | High-efficiency economical thermal power plant tail end desulfurization wastewater softening and evaporation treatment system and method |
| WO2016086734A1 (en) * | 2014-12-03 | 2016-06-09 | 童裳慧 | Apparatus and method for producing magnesium sulphate from flue gas desulphurisation |
| CN206318731U (en) * | 2016-11-15 | 2017-07-11 | 青岛达能环保设备股份有限公司 | Low temperature spraying and sprinkling evaporation desulfurizing waste water processing device |
-
2016
- 2016-11-15 CN CN201611004575.6A patent/CN106395951A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016086734A1 (en) * | 2014-12-03 | 2016-06-09 | 童裳慧 | Apparatus and method for producing magnesium sulphate from flue gas desulphurisation |
| CN105585198A (en) * | 2016-02-29 | 2016-05-18 | 西安西热水务环保有限公司 | High-efficiency economical thermal power plant tail end desulfurization wastewater softening and evaporation treatment system and method |
| CN206318731U (en) * | 2016-11-15 | 2017-07-11 | 青岛达能环保设备股份有限公司 | Low temperature spraying and sprinkling evaporation desulfurizing waste water processing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986366A (en) * | 2018-01-03 | 2018-05-04 | 青岛达能环保设备股份有限公司 | Vacuum environment desulfurization wastewater and its sludge treating system |
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