CN104150552A - Distillation drying tower for treating desulfurized waste water in thermal power plant - Google Patents
Distillation drying tower for treating desulfurized waste water in thermal power plant Download PDFInfo
- Publication number
- CN104150552A CN104150552A CN201410450893.XA CN201410450893A CN104150552A CN 104150552 A CN104150552 A CN 104150552A CN 201410450893 A CN201410450893 A CN 201410450893A CN 104150552 A CN104150552 A CN 104150552A
- Authority
- CN
- China
- Prior art keywords
- dryness
- evaporate
- circle
- cylindrical shell
- tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention relates to a distillation drying tower for treating desulfurized waste water in a thermal power plant. The distillation drying tower comprises a distillation drying tower barrel which is communicated with an outlet flue on the top, wherein the distillation drying tower barrel is further communicated with an inlet flue; the center line of the inlet flue is externally tangent with an imaginary circle in the distillation drying tower barrel; the circular center of the imaginary circle is positioned on the center line of the distillation drying tower barrel; a circle of atomizing nozzles are at least formed in the inner wall of the distillation drying tower barrel and above the inlet flue along the height direction; a circle of tuyeres are formed below the inlet flue; the center lines of outlets of multiple atomizing nozzles among the circle of atomizing nozzles are externally tangent with the imaginary circle; the center lines of outlets of multiple tuyeres among the circle of tuyeres point to the imaginary circle in an inclined way. The distillation drying tower can treat waste water with high salt content, is simple in structure, can increase the humidity of inlet flue gas of an electric precipitator, can improve efficiency of the electric precipitator, achieves zero emission of the waste water in a real sense and reduces atmospheric pollution caused by dust particles.
Description
Technical field
The present invention relates to field of waste water treatment, relate in particular to and be applicable to be difficult to process the high field of waste water treatment of saltiness in heat-engine plant desulfurized waste water and other industry, be specifically related to a kind of heat-engine plant desulfurized waste water evaporate to dryness tower of processing.
Background technology
Shortage of water resources and efflux wastewater be to the pollution of the environment problem that become international, and no matter thermal power plant, as water rich and influential family, consider from economy or environment protection, water saving and to reduce efflux wastewater most important.Therefore research and development is applicable to the device of thermal power plant's production, life sewage treatment and reuse; reduce investment and the working cost of sewage disposal; realize the target of wastewater zero discharge, Chinese national economy and social development and environment protection are of great practical significance.
At present, the whole nation 90% and above thermal power generation unit use Wet Flue Gas Desulfurization Technique, and the desulfurization processing of steel industry, produce a large amount of desulfurization wastewaters.And wet desulphurization waste water is high concentration suspended matter, high chlorine root, high saliferous, high-concentration heavy metal waste water, environmental pollution is extremely strong, and intractability is also larger, and Ye Shi power plant realizes the maximum difficult point of wastewater zero discharge.Domestic is mainly to pay the utmost attention to process rear reuse to the disposal options of desulfurization wastewater, if qualified discharge after it being processed without reuse condition.Because desulfurization wastewater is through preliminary treatment, be still high chlorine root, high saliferous and contain micro heavy waste water, its Reuse Range limitation is very large.
Current, fuel-burning power plant desulfurization wastewater often adopts neutralization, precipitation, flocculation and conventional chemical treatment techniques concentrated and clarification, but chemical process processing cost is high, and need constantly to add pharmaceutical chemicals, labor intensive, can not recycle, in another chemical process processed waste water, chlorion still cannot be removed.As adopt waste liquid evaporate to dryness tower to process desulfurization wastewater, there are not the problems referred to above.
Summary of the invention
For Shortcomings in prior art, the object of this invention is to provide low, the simple in structure electric precipitator inlet flue gas humidity that simultaneously increased of a kind of cost, can realize the heat-engine plant desulfurized waste water evaporate to dryness of the processing tower of heat-engine plant desulfurized waste water zero release truly.
For achieving the above object, the present invention has adopted following technical scheme: the heat-engine plant desulfurized waste water evaporate to dryness tower of a kind of processing, comprise evaporate to dryness tower cylindrical shell, the top of described evaporate to dryness tower cylindrical shell has exhanst gas outlet, shown in be communicated with exhaust pass on exhanst gas outlet, the bottom of described exhaust pass is positioned at the top of evaporate to dryness tower cylindrical shell, and the bottom of exhaust pass is provided with mechanical filter;
The bottom of described evaporate to dryness tower cylindrical shell is provided with the scraper slag removing machine for the macrobead thing being deposited at the bottom of tower is discharged;
On described evaporate to dryness tower cylindrical shell, there is smoke inlet, shown in be communicated with gas approach on smoke inlet, in the medullary ray of this gas approach and evaporate to dryness tower cylindrical shell, an imaginary circle is circumscribed, the center of circle of described imaginary circle is positioned on the medullary ray of evaporate to dryness tower cylindrical shell, its radius is 0.2-0.8 times of evaporate to dryness tower cylindrical shell radius, and, this imaginary circle arranged transversely;
The inwall of described evaporate to dryness tower cylindrical shell is at least provided with a circle atomizing nozzle along short transverse, every circle atomizing nozzle comprises multiple atomizing nozzles, multiple atomizing nozzles in every circle atomizing nozzle circumferentially arrange along the inwall of evaporate to dryness tower cylindrical shell, a circle atomizing nozzle nearest apart from evaporate to dryness tower cylinder body bottom is positioned at the top of gas approach, and the center line of discharge of multiple atomizing nozzles in this circle atomizing nozzle is cut in described imaginary circle outward;
The inwall of described evaporate to dryness tower cylindrical shell is circumferentially also provided with a circle tuyere, and a described circle tuyere is positioned at the below of gas approach and comprises multiple tuyeres, and described multiple wind nozzle outlet medullary rays tilt to point to the boundary line of described imaginary circle.
As optimization, the sense of rotation of the fine drop of described atomizing nozzle ejection is contrary with the sense of rotation of the flue gas from gas approach ejection.
As optimization, the inwall of described evaporate to dryness tower cylindrical shell is provided with multi-turn atomizing nozzle along short transverse, and the spacing of two adjacent rings atomizing nozzle equates.
As optimization, in every circle atomizing nozzle, the spacing of adjacent two atomizing nozzles equates.
The present invention is as the preposition flue gas treatment technology of thionizer, and hot flue gas obtains moistening and lowering temperature at this, can replace the spray cooling processing of desulfuration absorbing tower entrance, and increase smoke moisture, be conducive to improve the dust removing effects of electric dust-removing equipment, compared with prior art, the present invention also tool has the following advantages:
1, the present invention utilizes between fuel-burning power plant air preheater outlet and electric precipitator import has discrepancy in elevation flue, centre arranges this evaporate to dryness tower apparatus, utilization enters waste water evaporate to dryness tower flue gas heat and passes into high temperature air carries out atomization and vaporization processing to desulfurization wastewater, micron order tiny solid particle in waste water, various ions, after heavy metal element drying crystalline, be blended in flue gas with dust, at the bottom of macrobead thing falls to tower and by scraper slag removing machine at the bottom of tower, discharge, small particle enters electric precipitator with flue gas and is caught by electrode, with the outer row of ash, waste steam is arranged outward with flue gas, not only can realize so the real zero release of desulfurization wastewater, reduce the discharge of thermal power plant's dust granules thing, meet the actual requirement of environmental protection, and can save processing cost.
2, desulfurization wastewater evaporate to dryness tower provided by the invention can conveniently solve current desulfurization wastewater and process a difficult problem, and processing method is simple, investment and running cost low, put goods on the market after operation, can replace existing various desulfurization wastewater treatment facility and use in firepower factory.Will reduce largely desulfurization wastewater processing cost and equipment maintenance cost, in the desulfurization wastewaters such as coal-fired thermal power generation unit, promote the use of, market outlook are huge.
3, utilize the atomizing of flue gas and warm air heat and atomizing nozzle, can accelerate the quick evaporate to dryness of waste water, and ensure in waste water evaporate to dryness tower that flue-gas temperature remains on flue gas acid dew point temperature, and the humidity that can improve flue gas and enter electric precipitator, electric precipitator dust removing effects improved.
Brief description of the drawings
Fig. 1 is the structural representation of processing heat-engine plant desulfurized waste water evaporate to dryness tower in embodiment 1.
Fig. 2 is the sectional view at Figure 1A-A place.
Fig. 3 is the sectional view at Figure 1B-B place.
Fig. 4 is the structural representation of desulfurization wastewater evaporate to dryness tower structure in embodiment 2.
In accompanying drawing: 1-exhaust pass; 2-mechanical filter; 3-evaporate to dryness tower cylindrical shell; 4-atomizing nozzle; 5-tuyere; 6-scraper slag removing machine; 7-gas approach.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
embodiment 1:process heat-engine plant desulfurized waste water evaporate to dryness tower, as shown in Figure 1, comprise exhaust pass 1, mechanical filter 2, evaporate to dryness tower cylindrical shell 3, atomizing nozzle 4, tuyere 5, scraper slag removing machine 6, gas approach 7, this waste water evaporate to dryness tower utilizes the effect of evaporate to dryness tower, desulfurization wastewater or other are difficult to recycle the high waste water of saltiness, first carry out atomization by atomizing nozzle, after in evaporate to dryness tower, evaporate solidification treatment.
Top at evaporate to dryness tower cylindrical shell 3 has exhanst gas outlet, shown in be communicated with exhaust pass 1 on exhanst gas outlet, the bottom of exhaust pass 1 is positioned at the top of evaporate to dryness tower cylindrical shell 3, and the bottom of exhaust pass 1 is provided with mechanical filter 2, mechanical filter 2 can be the types such as window shutter, filtering net or cloth bag type.The bottom of evaporate to dryness tower cylindrical shell 3 is provided with the scraper slag removing machine 6 for the macrobead thing being deposited at the bottom of tower is discharged.
On evaporate to dryness tower cylindrical shell 3, there is smoke inlet, shown in be communicated with gas approach 7 on smoke inlet, the interior imaginary circle of the medullary ray of this gas approach 7 and evaporate to dryness tower cylindrical shell 3 is circumscribed, the center of circle of described imaginary circle is positioned on the medullary ray of evaporate to dryness tower cylindrical shell 3, its radius is 0.2-0.8 times of evaporate to dryness tower cylindrical shell 3 radiuses, and, this imaginary circle arranged transversely, the i.e. transverse cross-section parallel of this imaginary circle and evaporate to dryness tower cylindrical shell 3, establishing this imaginary circle for convenience of narration is benchmark imaginary circle.
The inwall of evaporate to dryness tower cylindrical shell 3 is at least provided with a circle atomizing nozzle along short transverse, every circle atomizing nozzle comprises multiple atomizing nozzles 4, multiple atomizing nozzles 4 in every circle atomizing nozzle circumferentially arrange along the inwall of evaporate to dryness tower cylindrical shell 3, a circle atomizing nozzle nearest apart from evaporate to dryness tower cylindrical shell 3 bottoms is positioned at the top of gas approach 7, and multiple atomizing nozzles 4 jet exit medullary rays in this circle atomizing nozzle are cut in described imaginary circle outward.
As optimization, the inwall of evaporate to dryness tower cylindrical shell 3 can be provided with multi-turn atomizing nozzle along short transverse, and the spacing of two adjacent rings atomizing nozzle is equal, and in every circle atomizing nozzle, the spacing of adjacent two atomizing nozzles 4 equates.Wherein the center line of discharge of multiple atomizing nozzles 4 in the nearest circle in multi-turn atomizing nozzle middle distance evaporate to dryness tower cylindrical shell 3 bottoms is cut in benchmark imaginary circle outward.Atomizing nozzle in each circle adopts following current or arranged crosswise, multiple atomizing nozzles 4 jet exit medullary rays in every circle can be along being cut in an imaginary circle clockwise or counterclockwise, the center of circle of the imaginary circle in every circle is all positioned on the medullary ray of evaporate to dryness tower cylindrical shell 3, and all imaginary circle are all equal with benchmark imagination radius of a circle, and the distance between adjacent two imaginary circle equals the distance between two adjacent rings atomizing nozzle.
The inwall of evaporate to dryness tower cylindrical shell 3 is circumferentially also provided with circle tuyere 5, one circle tuyeres 5 and is positioned at the below of gas approach 7, and comprises multiple tuyeres 5, and multiple tuyere 5 center line of discharge tilt to point to the boundary line of benchmark imaginary circle.
The sense of rotation of the fine drop of atomizing nozzle 4 nozzle ejections is contrary with the sense of rotation of the flue gas spraying from gas approach 7.Particularly, when the multiple atomizing nozzles 4 jet exit medullary rays in atomizing nozzle 4 are cut in imaginary circle (in the time having multi-turn atomizing nozzle outside counterclockwise, the imaginary circle of the counterclockwise circumscribed correspondence of center line of discharge of atomizing nozzle in every circle), gas approach 7 medullary rays are cut in corresponding imaginary circle outside clockwise, thereby make the sense of rotation of fine drop of atomizing nozzle 4 nozzles ejections contrary with the sense of rotation of the flue gas spraying from gas approach 7, strengthen flue gas and fine drop (becoming fine drop after waste water atomization) mixing and enhanced heat exchange.Due to the draft of evaporate to dryness tower cylindrical shell exhaust pass, force air-flow to rise in addition, result forms a rotation upstream in evaporate to dryness tower cylindrical shell.Gas approach also can adopt clockwise circle to arrange or branch into multiple gas approachs and evaporate to dryness tower cylindrical shell 3 layout of joining.
When use, waste water evaporate to dryness tower provided by the invention can comprise the steps:
1) waste water and pressurized air by a certain percentage, spray into evaporate to dryness tower cylindrical shell 3 through atomizing nozzle 4, particularly, a waste pipe A1 and a compressed air pipe A2 can be set, and this waste pipe A1 and compressed air pipe A2 are communicated with atomizing nozzle;
2) waste water is atomized as fine drop after entering atomizing nozzle 4 in evaporate to dryness tower cylindrical shell, and fine drop is mixed and is heated to temperature of saturation in evaporate to dryness tower cylindrical shell with flue gas and warm air, until evaporate to dryness; The pressure ratio that pressurized air and waste water enter in atomizing nozzle 4 is 0.25～0.6, and the fine drop particle diameter after atomizing nozzle 4 atomizations is 0～200 μ m, and speed is 50～100m/s.
3) high-temperature flue gas enters evaporate to dryness tower cylindrical shell 3 through gas approach 7 and fully mixes with the waste water of the atomization spraying into.
4) warm air is in tuyere 5 sprays into evaporate to dryness tower cylindrical shell 3, strengthen the disturbance of air-flow in evaporate to dryness tower cylindrical shell, strengthening waste water and flue gas heat exchange, accelerate the evaporate to dryness of fine drop, reduce the evaporate to dryness time, can further control flue-gas temperature in evaporate to dryness tower cylindrical shell and reduce amplitude, ensure in evaporate to dryness tower cylindrical shell that flue-gas temperature is on flue gas acid dew point temperature, prevent that liquid is collected in bottom, cause being bonded together of the corrosion of evaporate to dryness tower cylindrical shell and lime-ash.
5) in flue gas, the resistates after fine particle and waste water evaporate to dryness bumps and agglomeration, form macrobead thing, macrobead thing is deposited on the bottom of dry tower cylindrical shell under gravity and centrifugal action, and discharge through the scraper slag removing machine 6 that is arranged on dry tower cylinder body bottom, other small particle enters in electric precipitator and is removed through exhaust pass 1 after filtering with the mechanical filter 2 of the first bottom through exhaust pass 1 of flue gas (being also positioned at evaporate to dryness tower cylindrical shell top simultaneously).
embodiment 2:consider the layout practical situation of the industry flues such as iron and steel, papermaking and gasification, can consider to adopt the desulfurization wastewater evaporate to dryness tower structure shown in accompanying drawing 4, this desulfurization wastewater evaporate to dryness tower structure only has different as follows from the heat-engine plant desulfurized waste water evaporate to dryness of the processing tower in embodiment 1:
1, the bottom of exhaust pass 1 extends in evaporate to dryness tower cylindrical shell 3, specifically the part between the interior atomizing nozzle 4 of evaporate to dryness tower cylindrical shell 3 and tuyere 5.High-temperature flue gas in gas approach 7 enters evaporate to dryness tower cylindrical shell 3 is under the effect of gravity, force air descend, because the bottom of exhaust pass 1 is positioned at evaporate to dryness tower cylindrical shell bottom, in the action of gravity of its draft and high-temperature flue gas, result is at rotation downdraft of the interior formation of evaporate to dryness tower cylindrical shell 3 again.
2, the top of evaporate to dryness tower cylindrical shell 3 and the part that arranges between atomizing nozzle 4 at evaporate to dryness tower cylindrical shell 3 have smoke inlet, shown in be communicated with gas approach 7 on smoke inlet.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (4)
1. process heat-engine plant desulfurized waste water evaporate to dryness tower for one kind, it is characterized in that: comprise evaporate to dryness tower cylindrical shell (3), the top of described evaporate to dryness tower cylindrical shell (3) has exhanst gas outlet, shown in be communicated with exhaust pass (1) on exhanst gas outlet, the bottom of described exhaust pass (1) is positioned at the top of evaporate to dryness tower cylindrical shell (3), and the bottom of exhaust pass (1) is provided with mechanical filter (2);
The bottom of described evaporate to dryness tower cylindrical shell (3) is provided with the scraper slag removing machine (6) for the macrobead thing being deposited at the bottom of tower is discharged;
On described evaporate to dryness tower cylindrical shell (3), there is smoke inlet, shown in be communicated with gas approach (7) on smoke inlet, the interior imaginary circle of the medullary ray of this gas approach (7) and evaporate to dryness tower cylindrical shell (3) is circumscribed, the center of circle of described imaginary circle is positioned on the medullary ray of evaporate to dryness tower cylindrical shell (3), its radius is 0.2-0.8 times of evaporate to dryness tower cylindrical shell (3) radius, and, this imaginary circle arranged transversely;
The inwall of described evaporate to dryness tower cylindrical shell (3) is at least provided with a circle atomizing nozzle along short transverse, every circle atomizing nozzle comprises multiple atomizing nozzles (4), multiple atomizing nozzles (4) in every circle atomizing nozzle circumferentially arrange along the inwall of evaporate to dryness tower cylindrical shell (3), a circle atomizing nozzle nearest apart from evaporate to dryness tower cylindrical shell (3) bottom is positioned at the top of gas approach (7), and the center line of discharge of multiple atomizing nozzles (4) in this circle atomizing nozzle is cut in described imaginary circle outward;
The inwall of described evaporate to dryness tower cylindrical shell (3) is circumferentially also provided with a circle tuyere (5), a described circle tuyere (5) is positioned at the below of gas approach (7) and comprises multiple tuyeres (5), and described multiple tuyeres (5) center line of discharge tilts to point to the boundary line of described imaginary circle.
2. the heat-engine plant desulfurized waste water evaporate to dryness of processing according to claim 1 tower, is characterized in that: the sense of rotation of the fine drop of described atomizing nozzle (4) ejection is contrary with the sense of rotation of the flue gas from gas approach (7) ejection.
3. the heat-engine plant desulfurized waste water evaporate to dryness of processing according to claim 1 tower, is characterized in that: the inwall of described evaporate to dryness tower cylindrical shell (3) is provided with multi-turn atomizing nozzle along short transverse, and the spacing of two adjacent rings atomizing nozzle equates.
4. according to the heat-engine plant desulfurized waste water evaporate to dryness of the processing described in claim 1 or 3 tower, it is characterized in that: in every circle atomizing nozzle, the spacing of adjacent two atomizing nozzles (4) equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450893.XA CN104150552B (en) | 2014-09-05 | 2014-09-05 | The heat-engine plant desulfurized waste water evaporate to dryness tower of a kind of process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450893.XA CN104150552B (en) | 2014-09-05 | 2014-09-05 | The heat-engine plant desulfurized waste water evaporate to dryness tower of a kind of process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104150552A true CN104150552A (en) | 2014-11-19 |
| CN104150552B CN104150552B (en) | 2016-01-20 |
Family
ID=51876223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410450893.XA Expired - Fee Related CN104150552B (en) | 2014-09-05 | 2014-09-05 | The heat-engine plant desulfurized waste water evaporate to dryness tower of a kind of process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104150552B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787583A (en) * | 2015-02-10 | 2015-07-22 | 河北华电石家庄热电有限公司 | Dust falling system for coal conveying device |
| CN106315723A (en) * | 2016-01-15 | 2017-01-11 | 亿川科技(成都)有限责任公司 | In-furnace wastewater evaporation device and process for coal-fired boiler |
| CN108793296A (en) * | 2018-07-19 | 2018-11-13 | 江苏京源环保股份有限公司 | A kind of high-temperature flue gas processing desulfurization wastewater drying tower and processing method |
| CN109126170A (en) * | 2018-11-06 | 2019-01-04 | 中国华能集团有限公司 | A kind of spray-drying installation of air and gas system and its desulfurization wastewater |
| CN109607652A (en) * | 2018-09-10 | 2019-04-12 | 北京沃尔福环保科技有限公司 | A kind of fluidized crystallization device and its technique |
| CN110255651A (en) * | 2019-07-04 | 2019-09-20 | 中国华电科工集团有限公司 | A kind of double U stroke waste water spray drying towers |
| CN110745893A (en) * | 2019-11-28 | 2020-02-04 | 河北国华定州发电有限责任公司 | System and method for preventing drying tower from scaling and corroding in wastewater evaporation process |
| CN110803732A (en) * | 2019-11-29 | 2020-02-18 | 济南山源环保科技有限公司 | Drying and solidifying device for zero discharge of wastewater |
| CN114933342A (en) * | 2022-06-30 | 2022-08-23 | 安徽钱营孜发电有限公司 | System and method for treating desulfurization wastewater of power plant by using bypass flue |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201441886U (en) * | 2009-06-22 | 2010-04-28 | 淄博天同环保工程有限公司 | Rotary-jet combined wet-type desulphurizing dust-removing device |
| CN102190339A (en) * | 2011-04-26 | 2011-09-21 | 江苏省电力设计院 | Atomizer used in flue gas desulphurization wastewater evaporator |
| CN204039090U (en) * | 2014-09-05 | 2014-12-24 | 重庆大学 | Process heat-engine plant desulfurized waste water evaporate to dryness tower |
-
2014
- 2014-09-05 CN CN201410450893.XA patent/CN104150552B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201441886U (en) * | 2009-06-22 | 2010-04-28 | 淄博天同环保工程有限公司 | Rotary-jet combined wet-type desulphurizing dust-removing device |
| CN102190339A (en) * | 2011-04-26 | 2011-09-21 | 江苏省电力设计院 | Atomizer used in flue gas desulphurization wastewater evaporator |
| CN204039090U (en) * | 2014-09-05 | 2014-12-24 | 重庆大学 | Process heat-engine plant desulfurized waste water evaporate to dryness tower |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787583A (en) * | 2015-02-10 | 2015-07-22 | 河北华电石家庄热电有限公司 | Dust falling system for coal conveying device |
| CN104787583B (en) * | 2015-02-10 | 2018-02-06 | 河北华电石家庄热电有限公司 | A kind of drop dust system for defeated device for coal |
| CN106315723A (en) * | 2016-01-15 | 2017-01-11 | 亿川科技(成都)有限责任公司 | In-furnace wastewater evaporation device and process for coal-fired boiler |
| CN108793296A (en) * | 2018-07-19 | 2018-11-13 | 江苏京源环保股份有限公司 | A kind of high-temperature flue gas processing desulfurization wastewater drying tower and processing method |
| CN109607652A (en) * | 2018-09-10 | 2019-04-12 | 北京沃尔福环保科技有限公司 | A kind of fluidized crystallization device and its technique |
| CN109126170A (en) * | 2018-11-06 | 2019-01-04 | 中国华能集团有限公司 | A kind of spray-drying installation of air and gas system and its desulfurization wastewater |
| CN109126170B (en) * | 2018-11-06 | 2024-03-12 | 中国华能集团有限公司 | Flue gas and wind system and spray drying device for desulfurization wastewater thereof |
| CN110255651A (en) * | 2019-07-04 | 2019-09-20 | 中国华电科工集团有限公司 | A kind of double U stroke waste water spray drying towers |
| CN110745893A (en) * | 2019-11-28 | 2020-02-04 | 河北国华定州发电有限责任公司 | System and method for preventing drying tower from scaling and corroding in wastewater evaporation process |
| CN110803732A (en) * | 2019-11-29 | 2020-02-18 | 济南山源环保科技有限公司 | Drying and solidifying device for zero discharge of wastewater |
| CN114933342A (en) * | 2022-06-30 | 2022-08-23 | 安徽钱营孜发电有限公司 | System and method for treating desulfurization wastewater of power plant by using bypass flue |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104150552B (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104150552B (en) | The heat-engine plant desulfurized waste water evaporate to dryness tower of a kind of process | |
| CN107032428B (en) | System and method for zero emission treatment of undersaturated flue gas concentration crystallization desulfurization wastewater | |
| CN106477794B (en) | The System and method for of desulfurization wastewater concentration and flue gas drying integrated treatment | |
| CN103982903B (en) | System and method for treating tail end waste water by using smoke waste heat | |
| CN101844819B (en) | Spray evaporation treatment method of wet method flue gas desulfurization wastewater in thermal power station | |
| CN105457468B (en) | The technique that a kind of tower boiler flue gas recycled is atomized desulfurization wastewater | |
| CN208008493U (en) | A kind of equipment that flue residue heat is used for Waste Water From Fire Power Plant zero discharge treatment | |
| CN104129824B (en) | Heat-engine plant desulfurized wastewater comprehensive treatment and dust granules thing discharge-reducing method | |
| CN105417604B (en) | Utilize the method and device of fume afterheat processing desulfurization wastewater | |
| CN110559804B (en) | Flue gas desulfurization and regeneration integrated tower and flue gas desulfurization method | |
| CN103185346B (en) | Combined purification system for waste incineration smoke and technology of combined purification system | |
| CN101829468A (en) | Flue-gas cleaning method and system for waste incineration | |
| CN106348373B (en) | A kind of waste water evaporation equipment and method of wastewater treatment and device | |
| CN107739119A (en) | - kind of cascade utilization power-plant flue gas waste heat realizes the device of desulfurization wastewater zero-emission | |
| CN103058435A (en) | Method for circularly processing hot boiler flue gas and desulfurization wastewater | |
| CN108786398B (en) | Flue gas desulfurization and regeneration integrated tower and renewable wet flue gas desulfurization method | |
| CN110898584A (en) | Low-temperature wet type flue gas dust and white removal device and using method thereof | |
| CN206109121U (en) | Desulfurization waste water flue evaporation recovery processing device | |
| CN206799197U (en) | A kind of undersaturation flue gas condensing crystallizing desulfurization wastewater zero-discharge treatment system | |
| CN204039090U (en) | Process heat-engine plant desulfurized waste water evaporate to dryness tower | |
| CN107176742A (en) | A kind of desulfurization wastewater rotational flow dust-removing method | |
| CN110559837A (en) | Flue gas desulfurization tower and flue gas desulfurization and wastewater treatment process | |
| CN112479293A (en) | Wastewater and flue gas waste heat drying system and method based on semi-dry desulfurization tower | |
| CN202506310U (en) | Garbage-incinerated flue gas purification-combined deacidification system | |
| CN101143298B (en) | High-efficiency wet-desulfurizing dust remover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170905 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |