CN107445236A - A kind of efficient concentrate emission reduction device of acid waste water - Google Patents
A kind of efficient concentrate emission reduction device of acid waste water Download PDFInfo
- Publication number
- CN107445236A CN107445236A CN201710742874.8A CN201710742874A CN107445236A CN 107445236 A CN107445236 A CN 107445236A CN 201710742874 A CN201710742874 A CN 201710742874A CN 107445236 A CN107445236 A CN 107445236A
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- China
- Prior art keywords
- water
- flue gas
- heat exchanger
- diluted acid
- exchange unit
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- 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.)
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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
- C02F1/16—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
- 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
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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
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
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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)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to chemical industry environmental protection equipment technical field, more particularly to a kind of efficient concentrate emission reduction device of acid waste water, including absorption tower, evaporating column and tail inhale tower, the dry flue gas outlet on absorption tower top is connected by pipeline with flue gas heat-exchange unit arrival end, the flue gas heat-exchange unit port of export is connected by pipeline with being located at the evaporating column gas access of evaporating column side, evaporating column and tail are inhaled in tower is equipped with spray equipment from top to bottom, spray equipment is connected by evaporating column circulating pump with the side ducts of evaporating column lower end one, evaporating column lower end opposite side is connected by concentrating sour water delivery pump with gelled acid water storage tank, the present invention carries out thermal insulation evaporation to the sour water after heating, aqueous low dry flue gas reaches saturation state, take away large quantity of moisture, reach acid waste water evaporation, concentrate, the purpose of emission reduction.
Description
Technical field
The invention belongs to chemical industry environmental protection equipment technical field, and in particular to a kind of efficient concentrate emission reduction dress of acid waste water
Put.
Background technology
During nickel-copper smelting flue gas acid preparing wet scrubbing, substantial amounts of acid waste water is produced, pollutes environment, need to be to spent acidic
After water process, qualified discharge, because spent acidic water is big, acid waste water processing equipment, facility scale are big, and processing cost is high.
The content of the invention
It is an object of the invention to provide a kind of acid waste water being directed in non-ferrous metal metallurgy flue gas acid preparing, can reduce
Discharge the device of acid waste water total amount.
To achieve the above object, the present invention provides following technical scheme：
A kind of efficient concentrate emission reduction device of acid waste water, including absorption tower, evaporating column and tail inhale tower, the drying on absorption tower top
Flue gas discharge opening is connected by pipeline with flue gas heat-exchange unit arrival end, and the flue gas heat-exchange unit port of export is by pipeline and is located at evaporating column
The evaporating column gas access of side is connected, and evaporating column and tail are inhaled in tower and be equipped with spray equipment from top to bottom, and spray equipment passes through
Evaporating column circulating pump is connected with the side ducts of evaporating column lower end one, and evaporating column lower end opposite side is by concentrating sour water delivery pump and concentration
Sour water storage tank is connected, and is arranged on the evaporated on top tower gas vent of evaporating column by pipeline and is located at tail suction tower lower end side
Tail is inhaled tower gas access and is connected, and the tail suction tower gas discharge outlet for being located at tail suction tower top end is connected by pipeline with emptying chimney；
The sour water entrance being located in the side wall of evaporating column one is connected by pipeline with diluted acid water- to-water heat exchanger, and the lower end of diluted acid water- to-water heat exchanger passes through
Diluted acid water delivery pump is connected with diluted acid water storage tank, and diluted acid water storage tank is connected by pipeline with diluted acid water delivery pump.
Preferably, flue gas heat-exchange unit includes flue gas heat-exchange unit housing, and the upper and lower side of flue gas heat-exchange unit housing is respectively equipped with cigarette
Gas heat exchanger upper cover and flue gas heat-exchange unit low head, flue gas heat-exchange unit upper cover are provided with exhanst gas outlet, under flue gas heat-exchange unit
End socket is provided with smoke inlet；It is provided with from top to bottom under flue gas heat-exchange unit upper face plate and flue gas heat-exchange unit in flue gas heat-exchange unit housing
Card, is provided with flue gas heat-exchange unit heat exchanger tube between flue gas heat-exchange unit upper face plate and flue gas heat-exchange unit lower face plate, flue gas heat-exchange unit changes
One end of heat pipe is provided with conversion smoke inlet, and the other end of flue gas heat-exchange unit heat exchanger tube is provided with conversion exhanst gas outlet, converts flue gas
Entrance is located in the side wall of flue gas heat-exchange unit housing and is located at flue gas heat exchange close to flue gas heat-exchange unit upper face plate, conversion exhanst gas outlet
In the side wall of device housing and close to flue gas heat-exchange unit lower face plate.
Preferably, diluted acid water- to-water heat exchanger includes diluted acid water- to-water heat exchanger housing, the upper and lower side difference of diluted acid water- to-water heat exchanger housing
Provided with diluted acid water- to-water heat exchanger upper cover and diluted acid water- to-water heat exchanger low head, diluted acid water- to-water heat exchanger upper cover enters provided with diluted acid water
Mouthful, diluted acid water- to-water heat exchanger low head is provided with diluted acid water out；Changed from top to bottom provided with diluted acid water in diluted acid water- to-water heat exchanger housing
Hot device upper face plate and diluted acid water- to-water heat exchanger lower face plate, is provided between diluted acid water- to-water heat exchanger upper face plate and diluted acid water- to-water heat exchanger lower face plate
Diluted acid water- to-water heat exchanger heat exchanger tube, one end of diluted acid water- to-water heat exchanger heat exchanger tube are provided with hot water outlet, diluted acid water- to-water heat exchanger heat exchanger tube
The other end is provided with hot water inlet, and hot water outlet is located in the side wall of diluted acid water- to-water heat exchanger housing and the flower on diluted acid water- to-water heat exchanger
Plate, hot water inlet are located in the side wall of diluted acid water- to-water heat exchanger housing and close to diluted acid water- to-water heat exchanger lower face plates.
Preferably, spray equipment is inhaled in tower in evaporating column and tail is equipped with two groups.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention exports aqueous low dry flue gas to absorption tower and carries out heat exchange heating with the higher flue gas of conversion temperature, then to acidity
After waste water carries out heat exchange heating, the acid waste water after rear aqueous low dry flue gas and heating is will heat up, evaporating column is sent into, is steaming
Fa Tanei, aqueous low dry flue gas after absorption tower outlet heating, thermal insulation evaporation is carried out to the sour water after heating, it is aqueous low
Dry flue gas reach saturation state, take away large quantity of moisture, reach acid waste water evaporation, concentrate, the purpose of emission reduction.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the flue gas heat-exchange unit structural representation in Fig. 1；
Fig. 3 is the diluted acid water- to-water heat exchanger structural representation in Fig. 1.
In figure：1- absorption towers；2- dry flue gas exports；3- flue gas heat-exchange units；4- evaporating columns gas access；5- evaporating columns；
6- evaporating column circulating pumps；7- spray equipments；8- concentrated acid delivery pumps；9- sour water entrances；10- evaporating column gas vents；11- tails inhale tower
Gas access；12- tails inhale tower；13- tails inhale tower gas vent；14- empties chimney；15- sour water delivery pumps；16- diluted acid storage tanks；
17- diluted acid heat exchanger sour water delivery pumps；18- diluted acid heat exchangers；19- gelled acid water storage tanks；20- smoke inlets；21- flue gases go out
Mouthful；22- converts smoke inlet；23- converts exhanst gas outlet；24- flue gas heat-exchange unit housings；25- flue gas heat-exchange unit upper covers；26-
Flue gas heat-exchange unit low head；27- flue gas heat-exchange unit upper face plates；28- flue gas heat-exchange unit lower face plates；29- flue gas heat-exchange unit heat exchanger tubes；
30- diluted acid water inlets；31- diluted acid water outs；32- hot water inlets；33- hot water outlets；34- diluted acid water- to-water heat exchanger housings；35- is dilute
Sour water heat exchanger upper cover；36- diluted acid water- to-water heat exchanger low heads；37- diluted acid water- to-water heat exchanger upper face plates；38- diluted acid water- to-water heat exchangers
Lower face plate；39- diluted acid water- to-water heat exchanger heat exchanger tubes.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
As Figure 1-3, the efficient concentrate emission reduction device of a kind of acid waste water, including absorption tower 1, evaporating column 5 and tail are inhaled
Tower 12, the dry flue gas outlet 2 on the top of absorption tower 1 are connected by pipeline with the arrival end of flue gas heat-exchange unit 3, flue gas heat-exchange unit 3
The port of export is connected by pipeline with being located at the evaporating column gas access 4 of the side of evaporating column 5, and evaporating column 5 and tail are inhaled in tower 12 from upper
Spray equipment 7 is equipped with and, spray equipment 7 is connected by evaporating column circulating pump 6 with the side ducts of 5 lower end of evaporating column one, evaporation
The lower end opposite side of tower 5 is connected by concentrating sour water delivery pump 8 with gelled acid water storage tank 19, and the top for being arranged on evaporating column 5 is steamed
The tail suction tower gas access 11 that hair tower gas vent 10 inhales the lower end side of tower 12 by pipeline with being located at tail is connected, and is located at tail suction
The tail on the top of tower 12 is inhaled tower gas discharge outlet 13 and is connected by pipeline with emptying chimney 14；The acid being located in the side wall of evaporating column 5 one
Water inlet 9 is connected by pipeline with diluted acid water- to-water heat exchanger 18, the lower end of diluted acid water- to-water heat exchanger 18 by diluted acid water delivery pump 17 with
Diluted acid water storage tank 16 is connected, and diluted acid water storage tank 16 is connected by pipeline with diluted acid water delivery pump 15, and flue gas heat-exchange unit 3 includes cigarette
Gas heat exchanger shell 24, the upper and lower side of flue gas heat-exchange unit housing 24 are respectively equipped with flue gas heat-exchange unit upper cover 25 and flue gas heat-exchange unit
Low head 26, flue gas heat-exchange unit upper cover 25 are provided with exhanst gas outlet 21, and flue gas heat-exchange unit low head 26 is provided with smoke inlet
20；Flue gas heat-exchange unit upper face plate 27 and flue gas heat-exchange unit lower face plate 28, flue gas are provided with flue gas heat-exchange unit housing 24 from top to bottom
Flue gas heat-exchange unit heat exchanger tube 29, flue gas heat-exchange unit heat exchanger tube are provided between heat exchanger upper face plate 27 and flue gas heat-exchange unit lower face plate 28
29 one end is provided with conversion smoke inlet 22, and the other end of flue gas heat-exchange unit heat exchanger tube 29 is provided with conversion exhanst gas outlet 23, conversion
Smoke inlet 22 is located in the side wall of flue gas heat-exchange unit housing 24 and close to flue gas heat-exchange unit upper face plate 27, converts exhanst gas outlet 23
It is located in the side wall of flue gas heat-exchange unit housing 24 and close to flue gas heat-exchange unit lower face plate 28, diluted acid water- to-water heat exchanger changes including diluted acid water
Hot device housing 34, the upper and lower side of diluted acid water- to-water heat exchanger housing 34 are respectively equipped with diluted acid water- to-water heat exchanger upper cover 35 and the heat exchange of diluted acid water
Device low head 36, diluted acid water- to-water heat exchanger upper cover 35 are provided with diluted acid water inlet 30, and diluted acid water- to-water heat exchanger low head 36 is provided with
Diluted acid water out 31；Diluted acid water- to-water heat exchanger upper face plate 37 is provided with from top to bottom in diluted acid water- to-water heat exchanger housing 34 and diluted acid water exchanges heat
Device lower face plate 38, diluted acid water- to-water heat exchanger is provided between diluted acid water- to-water heat exchanger upper face plate 37 and diluted acid water- to-water heat exchanger lower face plate 38 and is exchanged heat
Pipe 39, one end of diluted acid water- to-water heat exchanger heat exchanger tube 39 are provided with hot water outlet 33, and the other end of diluted acid water- to-water heat exchanger heat exchanger tube 39 is set
There is hot water inlet 32, hot water outlet 33 is located in the side wall of diluted acid water- to-water heat exchanger housing 34 and close to diluted acid water- to-water heat exchanger upper face plate
37, hot water inlet 32 is located in the side wall of diluted acid water- to-water heat exchanger housing 34 and close to diluted acid water- to-water heat exchanger lower face plate 38, wherein spraying
Shower device 7 is inhaled in tower 12 in evaporating column 5 and tail is equipped with two groups
The present invention when specifically used, will the outer row's acid waste water sour water delivery pump 15 of purification be sent into diluted acid storage tank 16 store it is standby
With acid waste water is sent into diluted acid heat exchanger 18 with diluted acid heat exchanger sour water delivery pump 17, utilizes relieving haperacidity conversion system waste heat pot
Stove hot water, acid waste water carry out heat exchange heating in diluted acid heat exchanger 18, and sour water passes through after the heat exchange heating of diluted acid heat exchanger 18
The sour water entrance 9 of evaporating column 5 enters evaporating column 5, after reaching certain liquid level, opens acid waste water evaporating column circulating pump 6, will exchange heat
Acid waste water after heating is sent into the spray equipment 7 of evaporating column 5, and the dry flue gas on absorption tower 1 is arranged by the dry flue gas on absorption tower 1
Outlet 2 enters flue gas heat-exchange unit 3, and using flue gas surplus heat is converted, the aqueous low dry flue gas in absorption tower 1 is arranged through dry flue gas
Outlet 2 is exchanged heat in flue gas heat-exchange unit 3 with the higher flue gas of conversion temperature, heated up into flue gas heat-exchange unit 3, aqueous after heating
Low dry flue gas, evaporating column 5, in evaporating column 5, aqueous low drying cigarette after heating are entered by evaporating column gas access 4
Gas from bottom to top with the top-down acid waste water counter current contacting of the spray equipment of evaporating column 5, by successive circulating contact, absolutely
Thermal evaporation, aqueous low dry flue gas reach saturation state, and aqueous low dry flue gas successively takes away the water in recycle acid
Point, sour water amount is constantly reduced, and in circulation, sour water is stored by concentrating the feeding gelled acid of sour water delivery pump 8 water storage tank 19 after concentration,
Meanwhile sour water is constantly squeezed into by diluted acid heat exchanger 18 by sour water delivery pump 17, sour water rises through the hot heat exchange of device 18 heating of stone diluted acid
Sour water entrance 9 of the sour water through evaporating column 5 after temperature enters evaporating column 5, supplements sour water, control sour water recycle acid liquid level, concentration, protects
The normal operation of evaporating column 5 is demonstrate,proved, the concentration sour water for entering gelled acid water storage tank 19 is stored, prepares to be sent into subsequent processing.
In evaporating column 5, aqueous low dry flue gas and the acid waste water counter current contacting after heat exchange heating, after taking away moisture, warp after heating
After water collection device, the mist eliminator of evaporating column 5 receive water, gas enters flue through evaporating column gas vent 10, inhales tower through tail by flue
The gas of gas access 11 enters tail and inhales tower 12, after tail suction tower 12 is up to standard by gas treatment, inhales tower gas discharge outlet 13 by tail and passes through
Empty the qualified discharge of chimney 14.
Flue gas heat-exchange unit is the dry flue gas outlet by the dry flue gas on absorption tower 1 by absorption tower 1 in specific works
2 enter the tube side of flue gas heat-exchange unit 3 by smoke inlet 20, are risen by arranging high-temperature flue gas heat exchange outside heat exchanger tube 29 and conversion system
Wen Hou, evaporating column is entered by exhanst gas outlet 21, carries out adiabatic evaporation.High-temperature flue gas is arranged outside conversion system by conversion smoke inlet
22 enter flue gas heat-exchange unit shell side, after heat exchanger tube 29 and dry flue gas heat exchange cooling, by being arranged outside conversion exhanst gas outlet 23.
Diluted acid water- to-water heat exchanger is that cleaning system sour water is entered into diluted acid heat exchanger by sour water entrance 30 in specific works
18 tube side, after heat exchanger tube 39 and the heating of conversion system residual heat boiler for exchanging heat, evaporating column is entered by sour water outlet 31, entered
Row adiabatic evaporation.Conversion system waste heat boiler hot water by hot water inlet 32 enter diluted acid heat exchanger shell pass, by heat exchanger tube 39 with
After sour water heat exchange cooling, discharged by hot water outlet 33, enter waste heat boiler and be continuing with.
Claims (4)
1. a kind of efficient concentrate emission reduction device of acid waste water, including absorption tower（1）, evaporating column（5）Tower is inhaled with tail（12）, it is special
Sign is, described absorption tower（1）The dry flue gas outlet on top（2）Pass through pipeline and flue gas heat-exchange unit（3）Arrival end phase
Even, flue gas heat-exchange unit（3）The port of export is by pipeline and is located at evaporating column（5）The evaporating column gas access of side（4）It is connected, evaporation
Tower（5）Tower is inhaled with tail（12）Spray equipment is inside equipped with from top to bottom（7）, spray equipment（7）Pass through evaporating column circulating pump（6）With
Evaporating column（5）The side ducts connection of lower end one, evaporating column（5）Lower end opposite side is by concentrating sour water delivery pump（8）With concentrating sour water
Storage tank（19）It is connected, is arranged on evaporating column（5）Evaporated on top tower gas vent（10）By pipeline and it is located at tail suction tower
（12）The tail of lower end side inhales tower gas access（11）It is connected, is located at tail and inhales tower（12）The tail on top inhales tower gas discharge outlet
（13）Pass through pipeline and emptying chimney（14）It is connected；It is located at evaporating column（5）Sour water entrance in one side wall（9）By pipeline with it is dilute
Sour water heat exchanger（18）It is connected, diluted acid water- to-water heat exchanger（18）Lower end pass through diluted acid water delivery pump（17）With diluted acid water storage tank（16）
It is connected, diluted acid water storage tank（16）Pass through pipeline and diluted acid water delivery pump（15）It is connected.
2. the efficient concentrate emission reduction device of a kind of acid waste water as claimed in claim 1, it is characterised in that described flue gas changes
Hot device（3）Including flue gas heat-exchange unit housing（24）, flue gas heat-exchange unit housing（24）Upper and lower side be respectively equipped with flue gas heat-exchange unit
End socket（25）With flue gas heat-exchange unit low head（26）, flue gas heat-exchange unit upper cover（25）It is provided with exhanst gas outlet（21）, flue gas changes
Hot device low head（26）It is provided with smoke inlet（20）；Flue gas heat-exchange unit housing（24）Inside it is provided with from top to bottom on flue gas heat-exchange unit
Card（27）With flue gas heat-exchange unit lower face plate（28）, flue gas heat-exchange unit upper face plate（27）With flue gas heat-exchange unit lower face plate（28）Between
Provided with flue gas heat-exchange unit heat exchanger tube（29）, flue gas heat-exchange unit heat exchanger tube（29）One end be provided with conversion smoke inlet（22）, flue gas
Heat exchanger heat-exchanging tube（29）The other end be provided with conversion exhanst gas outlet（23）, convert smoke inlet（22）It is located at flue gas heat-exchange unit shell
Body（24）Side wall on and close to flue gas heat-exchange unit upper face plate（27）, convert exhanst gas outlet（23）It is located at flue gas heat-exchange unit housing
（24）Side wall on and close to flue gas heat-exchange unit lower face plate（28）.
A kind of 3. efficient concentrate emission reduction device of acid waste water as claimed in claim 1, it is characterised in that described diluted acid water
Heat exchanger includes diluted acid water- to-water heat exchanger housing（34）, diluted acid water- to-water heat exchanger housing（34）Upper and lower side be respectively equipped with diluted acid water heat exchange
Device upper cover（35）With diluted acid water- to-water heat exchanger low head（36）, diluted acid water- to-water heat exchanger upper cover（35）It is provided with diluted acid water inlet
（30）, diluted acid water- to-water heat exchanger low head（36）It is provided with diluted acid water out（31）；Diluted acid water- to-water heat exchanger housing（34）It is interior from upper and
Have diluted acid water- to-water heat exchanger upper face plate（37）With diluted acid water- to-water heat exchanger lower face plate（38）, diluted acid water- to-water heat exchanger upper face plate（37）With
Diluted acid water- to-water heat exchanger lower face plate（38）Between be provided with diluted acid water- to-water heat exchanger heat exchanger tube（39）, diluted acid water- to-water heat exchanger heat exchanger tube（39）'s
One end is provided with hot water outlet（33）, diluted acid water- to-water heat exchanger heat exchanger tube（39）The other end be provided with hot water inlet（32）, hot water outlet
（33）It is located at diluted acid water- to-water heat exchanger housing（34）Side wall on and close to diluted acid water- to-water heat exchanger upper face plate（37）, hot water inlet（32）
It is located at diluted acid water- to-water heat exchanger housing（34）Side wall on and close to diluted acid water- to-water heat exchanger lower face plate（38）.
A kind of 4. efficient concentrate emission reduction device of acid waste water as claimed in claim 1, it is characterised in that described spray dress
Put（7）In evaporating column（5）Tower is inhaled with tail（12）Inside it is equipped with two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742874.8A CN107445236A (en) | 2017-08-25 | 2017-08-25 | A kind of efficient concentrate emission reduction device of acid waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742874.8A CN107445236A (en) | 2017-08-25 | 2017-08-25 | A kind of efficient concentrate emission reduction device of acid waste water |
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| Publication Number | Publication Date |
|---|---|
| CN107445236A true CN107445236A (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710742874.8A Pending CN107445236A (en) | 2017-08-25 | 2017-08-25 | A kind of efficient concentrate emission reduction device of acid waste water |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101601964A (en) * | 2009-06-03 | 2009-12-16 | 李鹏举 | A kind of high-efficiency ammonia flue gas desulfurization technique and device |
| CN102580504A (en) * | 2012-03-07 | 2012-07-18 | 武汉兴能环保技术有限公司 | Novel ammonia desulphurization absorption device |
| CN104098213A (en) * | 2014-06-29 | 2014-10-15 | 扬州祥发资源综合利用有限公司 | Comprehensive recycling and utilizing method and device for ferrum-containing waste hydrochloric acid |
| CN105819607A (en) * | 2016-05-17 | 2016-08-03 | 中国恩菲工程技术有限公司 | Equipment and method for treating acid-containing waste water |
| CN205999046U (en) * | 2016-08-30 | 2017-03-08 | 石义强 | A kind of retracting device of steel rolling spent acid |
-
2017
- 2017-08-25 CN CN201710742874.8A patent/CN107445236A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101601964A (en) * | 2009-06-03 | 2009-12-16 | 李鹏举 | A kind of high-efficiency ammonia flue gas desulfurization technique and device |
| CN102580504A (en) * | 2012-03-07 | 2012-07-18 | 武汉兴能环保技术有限公司 | Novel ammonia desulphurization absorption device |
| CN104098213A (en) * | 2014-06-29 | 2014-10-15 | 扬州祥发资源综合利用有限公司 | Comprehensive recycling and utilizing method and device for ferrum-containing waste hydrochloric acid |
| CN105819607A (en) * | 2016-05-17 | 2016-08-03 | 中国恩菲工程技术有限公司 | Equipment and method for treating acid-containing waste water |
| CN205999046U (en) * | 2016-08-30 | 2017-03-08 | 石义强 | A kind of retracting device of steel rolling spent acid |
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Application publication date: 20171208 |