CN107935083A - Power plant desulfurization wastewater treatment system - Google Patents
Power plant desulfurization wastewater treatment system Download PDFInfo
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- CN107935083A CN107935083A CN201711117348.9A CN201711117348A CN107935083A CN 107935083 A CN107935083 A CN 107935083A CN 201711117348 A CN201711117348 A CN 201711117348A CN 107935083 A CN107935083 A CN 107935083A
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- Prior art keywords
- drying machine
- desulfurization wastewater
- slag
- hot blast
- slag drying
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Classifications
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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
- C02F1/048—Purification of waste water by evaporation
-
- 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
- C02F1/043—Details
-
- 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
- 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
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of power plant desulfurization wastewater treatment system, belong to field of thermal power, including slag drying machine, spray tube and hot blast pipe, spray tube is used to be passed through desulfurization wastewater, some nozzles are provided with spray tube, nozzle is located above slag drying machine, one end of hot blast pipe is connected with boiler back end ductwork and/or boiler air preheater, the other end is connected with slag drying machine head, slag drying machine head is provided with temperature sensor and/or humidity sensor, wind turbine is provided with hot blast pipe, the temperature and/or humidity information gathered according to temperature sensor and/or humidity sensor, adjust wind turbine, change the hot blast rate of hot blast pipe, so that desulfurization wastewater evaporating completely.The present invention takes full advantage of the unnecessary hot wind in power plant, redrying is carried out to warm sludge, and can be according to warm sludge and the quantum of output dynamic regulation hot blast rate of desulfurization wastewater, evaporating completely desulfurization wastewater, realize desulfurization wastewater zero-emission, hardened clinker on slag drying machine housing is timely dried, prevents the blocking of equipment.
Description
Technical field
The present invention relates to field of thermal power, particularly relates to a kind of power plant desulfurization wastewater treatment system.
Background technology
Domestic and international coal-fired boiler in thermal power plant mostly uses wet fuel gas desulfurizing technology, and the desulfurization wastewater component of generation is answered
Miscellaneous, corrosivity is strong, and reuse is difficult, and processing cost is expensive.As the key factor for restricting power plant desulfurization wastewater " zero-emission " realization
One of.
Chinese patent literature CN201520638739 discloses a kind of desulfurization wastewater treatment system, for evaporating thermal power generation
The desulfurization wastewater produced in factory's preprocessing process, the desulfurization wastewater treatment system pass through the desulfurization wastewater from thermal power plant
Spray tube is flowed into slag well, is sprayed on warm sludge, cools down warm sludge while evaporating desulfurization wastewater, the Nacl after being evaporated is with solid-state
Pattern is attached on dry slag, eliminates high-concentration desulfurized waste water with severe corrosive existing for liquid pattern, while slag is with dry state
Form is discharged.
But the ratio in desulfurization wastewater shared by water is larger, and caused warm sludge amount in the boiler in operating condition
It is limited, in the case of boiler output warm sludge amount is normal, it is impossible to completely consume desulfurization wastewater；And the output of warm sludge and desulfurization wastewater
Amount is not to immobilize, but with the influence factor dynamic change such as environment/quantity combusted.Therefore, using above-mentioned scheme,
Desulfurization wastewater tends not to be totally consumed, and Nacl cannot be attached on dry slag in the form of consolidation.
Moreover, being sprayed into slag well, desulfurization wastewater cannot be guaranteed desulfurization wastewater completely and warm sludge comes into full contact with combination, evaporate
Effect is bad, and the Nacl in desulfurization wastewater is liable to stick to and crosses in slag slag well, it is necessary to periodically handle it.
In addition, after desulfurization wastewater is contacted with warm sludge, if desulfurization wastewater cannot be consumed fully, easily formed caking it is hardened
On slag drying machine, the blocking of equipment is caused.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of power plant desulfurization wastewater treatment system, realize desulfurization and give up
The zero-emission of water.
It is as follows that the present invention provides technical solution：
A kind of power plant desulfurization wastewater treatment system, including slag drying machine, spray tube and hot blast pipe, the spray tube are used to lead to
Enter desulfurization wastewater, some nozzles are provided with the spray tube, the nozzle is located above the slag drying machine, the hot blast pipe
One end is connected with boiler back end ductwork and/or boiler air preheater, and the other end is connected with slag drying machine head, and the slag drying machine head is set
Temperature sensor and/or humidity sensor are equipped with, wind turbine is provided with the hot blast pipe, according to temperature sensor and/or humidity
The temperature and/or humidity information of sensor collection, adjust wind turbine, change the hot blast rate of hot blast pipe so that desulfurization wastewater steams completely
Hair.
Further, the slag drying machine includes horizontal segment and tilting section, and the nozzle is located at the upper of horizontal segment and tilting section
Side.
Further, slag well is provided with above the horizontal segment, the spray tube includes the first pipeline, first pipeline
The lower section of slag drying machine is horizontally set on, being connected with some second positioned at the part of the slag downhole on first pipeline manages
Road, second pipeline are vertically arranged and pass through slag drying machine to enter above slag drying machine, and nozzle is provided with second pipeline.
Further, the spray tube includes the 3rd pipeline, and the 3rd pipeline is arranged on the horizontal segment of slag drying machine and inclines
Above oblique section, nozzle is provided with the 3rd pipeline.
Further, the slag drying machine lower head is provided with disintegrating slag device, and the hot blast pipe connects with the disintegrating slag device
Connect.
Further, sealed between the slag drying machine and slag drying machine and boiler, set on the slag drying machine housing
There is attemperator.
Further, the spray tube is connected with water tank and air accumulator.
Further, motorized adjustment ball valve and butterfly valve are provided with the spray tube, is provided with the hot blast pipe pneumatic
Adjusting air valve and distinguished and admirable gauge.
The invention has the advantages that：
The present invention takes full advantage of the unnecessary hot wind in power plant, and redrying is carried out to warm sludge, reduces the moisture content of bottom ash, and
And can be according to warm sludge and the quantum of output dynamic regulation hot blast rate of desulfurization wastewater, evaporating completely desulfurization wastewater, realizes desulfurization wastewater
Zero-emission, can also timely dry the hardened clinker on slag drying machine housing, prevent the blocking of equipment.
Brief description of the drawings
Fig. 1 is the schematic diagram of power plant desulfurization wastewater treatment system one embodiment of the present invention；
Fig. 2 is the schematic diagram of another embodiment of the power plant desulfurization wastewater treatment system of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of power plant desulfurization wastewater treatment system, as shown in the figures 1 and 2, including slag drying machine 2, spray tube 3
With hot blast pipe 4, slag drying machine 2 is arranged on the lower section of boiler 1, more specifically, is arranged on the lower section of slag well 11, spray tube 3 is used to lead to
Enter desulfurization wastewater, some nozzles 5 are provided with spray tube 3, nozzle 5 is located at the top of slag drying machine 2, and nozzle 5 is used for desulfurization wastewater
For spray on warm sludge, the heat of warm sludge causes desulfurization wastewater to evaporate, one end and boiler back end ductwork 6 and/or the boiler of hot blast pipe 4
Air preheater 7 connects, and the other end is connected with slag drying machine head 8, and slag drying machine head 8 is provided with temperature sensor and/or humidity sensor
Device 24, is provided with wind turbine 20 on hot blast pipe 4, the temperature and/or humidity gathered according to temperature sensor and/or humidity sensor 24
Information, adjusts the rotating speed of wind turbine 20, changes the hot blast rate of hot blast pipe 4 so that desulfurization wastewater evaporating completely.
The prior art sprays into desulfurization wastewater in slag well, and the structure of slag well is open ports shape from bottom to top, is dropped in boiler
Warm sludge be not always located at the bottom of slag well, be not also always located at the sidepiece of slag well, position of the warm sludge in slag well exist it is certain with
Machine, therefore the contact probability that desulfurization wastewater cannot be guaranteed desulfurization wastewater and warm sludge is sprayed into slag well, this allows for desulfurization
Nacl cannot be effectively fixedly arranged on warm sludge in waste water, therefore this mode cannot be guaranteed that desulfurization wastewater is mutually tied with warm sludge completely
Close, and the Nacl in desulfurization wastewater is liable to stick in slag well, it is necessary to periodically handle it.
Desulfurization wastewater is sprayed on slag drying machine by the present invention, can ensure being sufficiently mixed for desulfurization wastewater and warm sludge, is improved
To the utilization ratio of warm sludge, so that desulfurization wastewater is easier to evaporate, the Nacl that avoids in desulfurization wastewater is easily attached
In slag well, without periodically processing slag well.
Caused warm sludge amount is limited in boiler in operating condition, in the case of boiler output warm sludge amount is normal, no
Desulfurization wastewater can be completely consumed.The secondary hot-air of the flue gas of boiler back end ductwork and/or boiler air preheater (is referred to as by the present invention
For hot wind) slag drying machine head is introduced, hot wind is under boiler negative pressure and the pressure produced because being continually fed into hot wind, from slag drying machine
Head is flowed into boiler, and the warm sludge in slag drying machine is dried, and is improved the evaporation capacity to desulfurization wastewater, is reduced warm sludge
Moisture content.
In the running, the quantum of output of warm sludge and desulfurization wastewater is not to immobilize to boiler, but with environment/quantity combusted
Etc. influence factor dynamic change, the present invention in slag drying machine head set temperature sensor and/or humidity sensor, temperature and/
Or the degree of drying of humidity information reflection warm sludge, wind turbine is set on hot blast pipe, according to temperature and/or humidity information, adjusts wind
The rotating speed of machine, changes the hot blast rate of hot blast pipe so that desulfurization wastewater evaporating completely, the bottom ash of discharge can be directly (or by letters
It is single broken wait processing after) recycle, improve the value of bottom ash comprehensive utilization.
In addition, after desulfurization wastewater is contacted with warm sludge, if desulfurization wastewater cannot be consumed fully, easily formed caking it is hardened
On slag drying machine, the blocking of equipment is caused, the hot wind of the application can also dry the hardened clinker on slag drying machine housing in time
It is dry, prevent equipment from blocking.
Desulfurization wastewater can produce the vapor of flood tide, if vapor cannot be discharged slag drying machine, meeting in time in evaporation
The evaporation of desulfurization wastewater is influenced, the hot wind of the application can also guide vapor to enter boiler from slag drying machine, coordinate boiler combustion
Caused negative pressure, the vapor in timely carrying-off slag drying machine, it is ensured that desulfurization wastewater normally evaporates.
In conclusion the present invention takes full advantage of the unnecessary hot wind in power plant, redrying is carried out to warm sludge, reduces bottom ash
Moisture content, and can be realized according to warm sludge and the quantum of output dynamic regulation hot blast rate of desulfurization wastewater, evaporating completely desulfurization wastewater
Desulfurization wastewater zero-emission, can also timely dry the hardened clinker on slag drying machine housing, prevent the blocking of equipment.
Further, slag drying machine 2 includes horizontal segment 9 and tilting section 10, and nozzle 5 is located at the upper of horizontal segment 9 and tilting section 10
Side, is further ensured that being sufficiently mixed for desulfurization wastewater and warm sludge, improves the utilization ratio to warm sludge.
As a modification of the present invention, the lower section of boiler 1 is provided with slag well 11, and spray tube 3 includes the first pipeline 12, and first
Pipeline 12 is horizontally set on the lower section of slag drying machine 2, and the part that the lower section of slag well 11 is located on the first pipeline 12 is connected with some second
Pipeline 13, the second pipeline 13 are vertically arranged and enter the top of slag drying machine 2 through slag drying machine 2, and nozzle is provided with the second pipeline 13
5.The first horizontal pipeline is arranged on below slag drying machine, avoids the slag well of top, nozzle is set on the second vertical pipeline, can be with
Slag well is avoided to have an impact the position of nozzle.
Further, spray tube 3 includes the 3rd pipeline 14, and the 3rd pipeline 14 is arranged on the horizontal segment 9 of slag drying machine 2 and tilts
Above section 10, nozzle 5 is provided with the 3rd pipeline 14.
The head 8 of slag drying machine 2 is provided with disintegrating slag device 15, and hot blast pipe 4 is connected with disintegrating slag device 15, after hot wind is to crushing
Disintegrating slag is further dried.
The vapor that produces make it that pressure increases in slag drying machine after desulfurization wastewater evaporation in slag drying machine, and vapor is from dry slag
Overflowed in machine, the Nacl that on the one hand result in desulfurization wastewater is easily together escaped with steam, on the one hand also resulted in boiler
Equipment be easy to cause damage, and to prevent water vapour from overflowing, slag drying machine is sealed, and close to being carried out between slag drying machine and boiler
Envelope.Also, the heat of slag drying machine scatters and disappears in order to prevent, attemperator, such as heat-preservation cotton are provided with slag drying machine housing.
For convenience of supply desulfurization wastewater, spray tube 4 is connected with water tank 16, and water tank connects with the outlet of power plant desulfurization wastewater
Connect, spray tube 4 is also associated with air accumulator 17, and compressed air is provided for spray tube.
Further, motorized adjustment ball valve 18 and butterfly valve 19 are provided with spray tube 3, motorized adjustment ball valve adjusts desulfurization and gives up
Water flow, butterfly valve control spray tube switch, and pneumatic adjusting air valve 21 and distinguished and admirable gauge 22 are provided with hot blast pipe 4, pneumatic to adjust
Air-valve adjusts hot air flow, and distinguished and admirable gauge detects hot air flow.
The lower section of slag well 11 is provided with slag-draining device 23, and the clinker fallen to slag underground is handled.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
- A kind of 1. power plant desulfurization wastewater treatment system, it is characterised in that including slag drying machine, spray tube and hot blast pipe, the spray Shower pipe is used to be passed through desulfurization wastewater, and some nozzles are provided with the spray tube, and the nozzle is located above the slag drying machine, institute The one end for stating hot blast pipe is connected with boiler back end ductwork and/or boiler air preheater, and the other end is connected with slag drying machine head, described dry Slag chain-drive section is provided with temperature sensor and/or humidity sensor, wind turbine is provided with the hot blast pipe, according to temperature sensor And/or the temperature and/or humidity information of humidity sensor collection, wind turbine is adjusted, changes the hot blast rate of hot blast pipe so that desulfurization is given up Water evaporating completely.
- 2. power plant desulfurization wastewater treatment system according to claim 1, it is characterised in that the slag drying machine includes level Section and tilting section, the nozzle are located at the top of horizontal segment and tilting section.
- 3. power plant desulfurization wastewater treatment system according to claim 2, it is characterised in that set above the horizontal segment There is slag well, the spray tube includes the first pipeline, and first pipeline is horizontally set on the lower section of slag drying machine, first pipeline The upper part positioned at the slag downhole is connected with some second pipelines, second pipeline be vertically arranged and pass through slag drying machine into Enter above slag drying machine, nozzle is provided with second pipeline.
- 4. power plant desulfurization wastewater treatment system according to claim 2, it is characterised in that the spray tube includes the 3rd Pipeline, the 3rd pipeline are arranged on above the horizontal segment and tilting section of slag drying machine, and nozzle is provided with the 3rd pipeline.
- 5. power plant desulfurization wastewater treatment system according to claim 1, it is characterised in that the slag drying machine lower head Disintegrating slag device is provided with, the hot blast pipe is connected with the disintegrating slag device.
- 6. according to any power plant desulfurization wastewater treatment systems of claim 1-5, it is characterised in that the slag drying machine with And sealed between slag drying machine and boiler, it is provided with attemperator on the slag drying machine housing.
- 7. power plant desulfurization wastewater treatment system according to claim 6, it is characterised in that the spray tube is connected with storage Water tank and air accumulator.
- 8. power plant desulfurization wastewater treatment system according to claim 6, it is characterised in that be provided with the spray tube Motorized adjustment ball valve and butterfly valve, are provided with pneumatic adjusting air valve and distinguished and admirable gauge on the hot blast pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117348.9A CN107935083B (en) | 2017-11-13 | 2017-11-13 | Desulfurization wastewater treatment system for power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117348.9A CN107935083B (en) | 2017-11-13 | 2017-11-13 | Desulfurization wastewater treatment system for power plant |
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| Publication Number | Publication Date |
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| CN107935083A true CN107935083A (en) | 2018-04-20 |
| CN107935083B CN107935083B (en) | 2021-02-09 |
Family
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358267A (en) * | 2018-05-04 | 2018-08-03 | 青岛达能环保设备股份有限公司 | A kind of desulfurization wastewater Zero discharging system for the cooling of dry slag |
| CN109557062A (en) * | 2018-12-10 | 2019-04-02 | 徐州工程学院 | A kind of desulfurization wastewater drop evaporation test device and test method |
| CN111422933A (en) * | 2020-05-07 | 2020-07-17 | 西安西热水务环保有限公司 | System and method for treating desulfurization wastewater by waste heat of slag system |
| CN112573605A (en) * | 2020-10-16 | 2021-03-30 | 江苏京源环保股份有限公司 | Desulfurization waste water zero release's processing system |
| CN113277585A (en) * | 2021-07-26 | 2021-08-20 | 国能龙源环保有限公司 | Low-temperature flue gas coupling dry slag waste heat treatment desulfurization wastewater system and construction method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0194290B1 (en) * | 1984-09-13 | 1989-05-24 | AXELROD, Burton | Waste treatment method and device |
| JP2002336650A (en) * | 2001-05-15 | 2002-11-26 | Mitsubishi Heavy Ind Ltd | Method of treating waste combustion gas |
| JP2005095749A (en) * | 2003-09-24 | 2005-04-14 | Ishikawajima Harima Heavy Ind Co Ltd | Method and apparatus for treating water used for granulating molten slag |
| JP2007120842A (en) * | 2005-10-27 | 2007-05-17 | Mitsubishi Heavy Ind Ltd | Method and its device for treating ash melting furnace granulation water |
| US20120288436A1 (en) * | 2011-05-12 | 2012-11-15 | Gs Platech Corporation | Apparatus and method for treating incineration ash using plasma arc |
| CN102954478A (en) * | 2012-12-12 | 2013-03-06 | 中国电力工程顾问集团华东电力设计院 | Air-water combined cooling dry slagging method and system of pulverized coal boiler |
| US8715402B2 (en) * | 2011-03-22 | 2014-05-06 | Mitsubishi Heavy Industries, Ltd. | Air pollution control system and air pollution control method, spray drying device of dewatering filtration fluid from desulfurization discharged water, and method thereof |
| CN103982903A (en) * | 2014-05-20 | 2014-08-13 | 西安热工研究院有限公司 | System and method for treating tail end waste water by using smoke waste heat |
| CN204897464U (en) * | 2015-08-21 | 2015-12-23 | 中国电力工程顾问集团华东电力设计院有限公司 | Treating system for waste water |
| CN205011413U (en) * | 2015-10-08 | 2016-02-03 | 河北省电力勘测设计研究院 | Coal fired power plant flue gas desulfurization effluent disposal system |
| CN206386910U (en) * | 2016-12-01 | 2017-08-08 | 华电电力科学研究院 | A kind of system of W types boiler low nitrogen burning coordinated desulfurization waste water evaporation |
| CN107082523A (en) * | 2017-05-25 | 2017-08-22 | 北京国电龙源环保工程有限公司 | A kind of wet desulphurization waste water reclaiming processing system and its processing method |
-
2017
- 2017-11-13 CN CN201711117348.9A patent/CN107935083B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0194290B1 (en) * | 1984-09-13 | 1989-05-24 | AXELROD, Burton | Waste treatment method and device |
| JP2002336650A (en) * | 2001-05-15 | 2002-11-26 | Mitsubishi Heavy Ind Ltd | Method of treating waste combustion gas |
| JP2005095749A (en) * | 2003-09-24 | 2005-04-14 | Ishikawajima Harima Heavy Ind Co Ltd | Method and apparatus for treating water used for granulating molten slag |
| JP2007120842A (en) * | 2005-10-27 | 2007-05-17 | Mitsubishi Heavy Ind Ltd | Method and its device for treating ash melting furnace granulation water |
| US8715402B2 (en) * | 2011-03-22 | 2014-05-06 | Mitsubishi Heavy Industries, Ltd. | Air pollution control system and air pollution control method, spray drying device of dewatering filtration fluid from desulfurization discharged water, and method thereof |
| US20120288436A1 (en) * | 2011-05-12 | 2012-11-15 | Gs Platech Corporation | Apparatus and method for treating incineration ash using plasma arc |
| CN102954478A (en) * | 2012-12-12 | 2013-03-06 | 中国电力工程顾问集团华东电力设计院 | Air-water combined cooling dry slagging method and system of pulverized coal boiler |
| CN103982903A (en) * | 2014-05-20 | 2014-08-13 | 西安热工研究院有限公司 | System and method for treating tail end waste water by using smoke waste heat |
| CN204897464U (en) * | 2015-08-21 | 2015-12-23 | 中国电力工程顾问集团华东电力设计院有限公司 | Treating system for waste water |
| CN205011413U (en) * | 2015-10-08 | 2016-02-03 | 河北省电力勘测设计研究院 | Coal fired power plant flue gas desulfurization effluent disposal system |
| CN206386910U (en) * | 2016-12-01 | 2017-08-08 | 华电电力科学研究院 | A kind of system of W types boiler low nitrogen burning coordinated desulfurization waste water evaporation |
| CN107082523A (en) * | 2017-05-25 | 2017-08-22 | 北京国电龙源环保工程有限公司 | A kind of wet desulphurization waste water reclaiming processing system and its processing method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358267A (en) * | 2018-05-04 | 2018-08-03 | 青岛达能环保设备股份有限公司 | A kind of desulfurization wastewater Zero discharging system for the cooling of dry slag |
| CN109557062A (en) * | 2018-12-10 | 2019-04-02 | 徐州工程学院 | A kind of desulfurization wastewater drop evaporation test device and test method |
| CN111422933A (en) * | 2020-05-07 | 2020-07-17 | 西安西热水务环保有限公司 | System and method for treating desulfurization wastewater by waste heat of slag system |
| CN112573605A (en) * | 2020-10-16 | 2021-03-30 | 江苏京源环保股份有限公司 | Desulfurization waste water zero release's processing system |
| CN113277585A (en) * | 2021-07-26 | 2021-08-20 | 国能龙源环保有限公司 | Low-temperature flue gas coupling dry slag waste heat treatment desulfurization wastewater system and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107935083B (en) | 2021-02-09 |
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