CN107337245A - A kind of spraying system that desulfurization wastewater is concentrated using fume afterheat - Google Patents
A kind of spraying system that desulfurization wastewater is concentrated using fume afterheat Download PDFInfo
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- CN107337245A CN107337245A CN201710670379.0A CN201710670379A CN107337245A CN 107337245 A CN107337245 A CN 107337245A CN 201710670379 A CN201710670379 A CN 201710670379A CN 107337245 A CN107337245 A CN 107337245A
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- tail gas
- spraying system
- evaporator
- desulfurization wastewater
- steam
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 40
- 230000023556 desulfurization Effects 0.000 title claims abstract description 37
- 239000002351 wastewater Substances 0.000 title claims abstract description 37
- 238000005507 spraying Methods 0.000 title claims abstract description 30
- 239000003517 fume Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 41
- 239000012141 concentrate Substances 0.000 claims abstract description 20
- 238000001704 evaporation Methods 0.000 claims abstract description 12
- 230000008020 evaporation Effects 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000000779 smoke Substances 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 claims description 50
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003546 flue gas Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 2
- 238000007363 ring formation reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 3
- 208000028659 discharge Diseases 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of spraying system that desulfurization wastewater is concentrated using fume afterheat, including：Chimney heat exchanger, evaporator group, tail gas condenser, tail gas condensing tank and spraying system, desulfurization wastewater pipeline and flue heater are connected with evaporator group, steam after the processing of evaporator group sequentially enters tail gas condenser and tail gas condensing tank by pipeline, and the concentrate after the processing of evaporator group enters spraying system by pipeline；Wherein, chimney heat exchanger utilizes the desulfurization wastewater in fume afterheat heating evaporation device group；Evaporator group is separated moisture in desulfurization wastewater with salinity impurity by way of evaporation；Tail gas condenser condenses the steam cooling of evaporation；Tail gas condensing tank stores condensed water and is sent into finished product water tank；Concentrate is atomized and sprayed in the discharge-channel of boiler smoke by spraying system.The system does not add any medicine, the clean Water circulation that distilled goes out in desulfurization wastewater concentration process, and desulfurization wastewater treatment system backwater rate is more than 90%.
Description
Technical field
It is especially a kind of to utilize fume afterheat concentration desulfurization the present invention relates to the technical field of heat-engine plant desulfurized wastewater treatment
The spraying system of waste water.
Background technology
Lime stone-gypsum sulfur removal technology（FGD）It is most widely used a kind of desulfurization technology in the world, coal-fired firepower
The supporting flue-gas desulfurizing engineering in power plant about 90% uses this technique.
In large-size thermal power plant Gypsum Wet boiler flue gas desulfurization system, to ensure desulfuration efficiency, maintain
System chloride equilibrium is, it is necessary to discharge part desulfurization wastewater.Because containing a large amount of dissolving salts, solid suspension and a small amount of fluorine in waste water
The noxious pollutants such as ion, heavy metal ion, it is impossible to directly discharge, turn into one of most intractable waste water in coal-burning power plant.At present,
The desulfuration waste water treatment process of generally use is that waste water is flocculated, settled and neutralized using chemical treatment method, is reduced useless
Suspension and harmful substance in water, water outlet salt content is very high after processing, and directly discharge causes secondary pollution.In recent years, it is domestic
Outer many scholars begin one's study desulfurization wastewater zero discharge treatment technology.
Why desulfurization wastewater, which is difficult to, is handled, and is primarily due to wherein contain high-concentration Ca, magnesium, sulfate radical, chlorine root and fluorine
Root plasma.Major Difficulties in technique and in engineering are shown as：
（1）Desulfurization wastewater water is little；But engineering is larger with respect to floor space, technological process and equipment are complicated.
（2）Engineering equipment expense and operating cost are higher, and power plant is difficult to receive.
（3）The seldom ion of moiety content, such as：Fluorine ion etc., it is difficult to remove；Discharge standard can not be reached.
（4）, often there is generation the problems such as fouling, corrosion；Influence system safety operation.
（5）System maintenance maintenance trouble is complicated.
（6）In addition to the Water circulation through processing；The benefit very little of power plant in itself, input are huge.
For these reasons, coal-burning power plant of thousands of of present China, only several power plant have attempted building for zero-emission engineering
And if operation.In these zero-emission run engineerings, such or such problem and shortage can have been found.
Therefore, a kind of low energy consumption of actual requirement, efficient, easy care, energy new technology acceptable to all, the appearance of new technology.
The content of the invention
For problems of the prior art, it is an object of the invention to provide one kind to utilize fume afterheat concentration desulfurization
The spraying system of waste water, so as to reach the purpose for reducing desulfurization wastewater discharge.
To achieve these goals, technical scheme is as follows：
A kind of spraying system that desulfurization wastewater is concentrated using fume afterheat, the system are included：Chimney heat exchanger, evaporator group, tail
Gas condenser, tail gas condensing tank and spraying system, desulfurization wastewater pipeline and the flue heater are connected with the evaporator group,
Steam after evaporator group processing sequentially enters the tail gas condenser and the tail gas condensing tank by pipeline, passes through
The concentrate crossed after the evaporator group processing enters spraying system by pipeline；Wherein,
The chimney heat exchanger, is arranged in the discharge-channel of boiler smoke, utilizes taking off in fume afterheat heating evaporation device group
Sulphur waste water；
The evaporator group, including at least one set of evaporator, evaporator described in every group include by pipeline connect cyclization heater,
Circulating pump and separator, the chimney heat exchanger are connected with the heater, and steam (vapor) outlet and dense is provided with the separator
Contracting liquid is exported, and evaporator group is separated moisture in desulfurization wastewater with salinity impurity by way of evaporation；
The tail gas condenser, the steam cooling of evaporation is condensed；
The tail gas condensing tank, store condensed water and be sent into finished product water tank；
The spraying system, concentrate is atomized and sprayed in the discharge-channel of boiler smoke.
Further, the spraying system includes：Concentrate storage tank, discharging pump and the nozzle being sequentially connected by pipeline, institute
The concentrated solution outlet that concentrate storage tank is stated with the separator is connected, and the nozzle is arranged in the flue before deduster, spray
The compressed air for atomization is connected with mouth.
Further, when setting multigroup evaporator, evaporator series connection：The steam of separator described in upper level goes out
Mouth is connected with heater described in next stage, and the concentrated solution outlet of upper level separator is connected with next stage separator.
Further, condensation-water drain is provided with the heater in the evaporator of other in addition to first group, it is described cold
Condensate outlet is connected with the tail gas condensing tank.
Further, it is connected with tail gas vacuum extractor on the tail gas condensing tank.
Further, the steam generator and lower condensate sump being connected with heat exchanger tube are provided with the flue gas heat-exchange unit, it is described
Steam generator is connected by steam pipework with the steam inlet of the heater, the condensation-water drain of heater and described one effect
The condensing water inlet connection of drainer, the condensation-water drain of an effect drainer are connected to form Jie by water pump with the lower condensate sump
The circulation loop of matter water.
Further, it is provided with water pipe on the effect drainer.
Further, it is provided with an effect vacuum extractor on the effect drainer.
Further, it is provided with cooling water pipe in the tail gas condenser.
Advantages of the present invention has：
1）Flue heater is dodged using boiler back end ductwork fume afterheat heating desulfurization wastewater with the multiple-effect carried out using evaporator
Steaming technique is combined.Both reach UTILIZATION OF VESIDUAL HEAT IN, the temperature that flue gas enters desulfuration absorbing tower can be reduced again, so as to reduce desulfurization
The water consume of system.By flue gas, the flue-gas temperature into desulphurization system can reduce about 5-8 DEG C, reduce desulphurization system resistance
About 60Pa.
2）Using the multi-effect flashing steam technology of multigroup evaporator combinations, realize that energy ladder utilizes, improve the utilization of the energy
Rate.Using boiler tail flue gas waste heat, whole evaporation process inputs without external steam, realizes low energy expenditure.
3）Three header processing and pretreatment need not be carried out to desulfurization wastewater, save above-mentioned link investment and operation into
This, avoids due to the generation of three headers processing sludge.
4) in desulfurization wastewater concentration, any medicine, the clean Water circulation that distilled goes out are not added.
5) desulfurization wastewater treatment system backwater rate is more than 90%.
6）Concentrate after desulfurization wastewater processing is emitted into flue by spray system, and dust is formed in flue, by
Deduster traps.
Brief description of the drawings
Fig. 1 is the schematic diagram that residual heat from boiler fume coupling evaporation of the present invention concentrates desulfurization wastewater system；
Wherein, 1 flue heater, 2 evaporator groups, 3 tail gas condensers, 4 tail gas condensing tanks, 5 one effect drainers, 6 heat exchanger tubes, 7
Steam generator, 8 lower condensate sumps, 9 visors, 10a mono- imitate separator, 10b bis- is imitated separator, 10c triple effects separator, 11a mono- and imitated
Circulating pump, 11b bis- imitate circulating pump, 11c triple effect cycles pump, 12a mono- imitate heater, 12b bis- imitate heater, 12c triple effects heater,
13 condensate pumps, 14 tail gas vavuum pumps, 15 1 effect vavuum pumps, 16 humidification water pumps, 17 concentrate storage tanks, 18 discharging pumps, 19 sprays
Mouth, A 1st effective evaporators.
Embodiment
The principle and feature of the present invention are more fully illustrated below with reference to accompanying drawing and example.The present invention can be with
A variety of multi-forms are presented as, are not construed as being confined to the exemplary embodiment described here.
For ease of explanation, the space relative terms such as " on ", " under ", "left", "right" can be used herein, are used for
The element or feature shown in explanation figure is relative to another element or the relation of feature.It should be understood that except figure
In outside the orientation that shows, spatial terminology is intended to include the different azimuth of device in use or operation.If for example, in figure
Device be squeezed, be stated as positioned at other elements or feature " under " element will be located into other elements or feature " on ".
Therefore, exemplary term " under " both upper and lower orientation can be included.Device can be positioned otherwise（It is rotated by 90 ° or position
In other orientation）, can correspondingly be explained used herein of the relative explanation in space.
As shown in figure 1, residual heat from boiler fume coupling evaporation concentration desulfurization wastewater system mainly includes：Flue heater 1, steam
Send out device group 2, tail gas condenser 3, tail gas condensing tank 4 and spray system.Evaporator group 2 is at least provided with one group of evaporator A, certainly
It can be arranged in series multigroup, specifically be provided with three groups of evaporators in the present embodiment.Desulfurization wastewater pipeline and flue heater 1 with
Evaporator group 2 connects, and the steam after the processing of evaporator group 2 sequentially enters tail gas condenser 3 and tail gas condensing by pipeline
Tank 4, the concentrate after the processing of evaporator group 2 enter spraying system by pipeline.
Chimney heat exchanger 1 is arranged in boiler air preheater exhaust pass, and flue gas heat-exchange unit 1 includes heat exchanger tube 6, steam
Generator 7 and lower condensate sump 8, steam generator 7 and lower condensate sump 8 are connected with heat exchanger tube 6, are provided with and are regarded on steam generator 7
The operating mode such as mirror 9, the water level for observing steam generator 7；Steam generator 7 is connected by steam pipework and an effect heater 12a
Connect, the condensation-water drain on an effect heater 12a is connected with an effect condensate water pot 5, and an effect condensate water pot 5 is by humidifying water pump 16
It is connected with lower condensate sump 8, forms the circulation loop of WATER AS FLOW MEDIUM, an effect vacuum extractor 15 is connected with an effect condensate water pot 5,
An effect vacuum extractor 15 is vavuum pump in the present embodiment, and the air in the circulation loop is detached and is discharged into air by vavuum pump,
WATER AS FLOW MEDIUM and steam is set to be in vacuum environment, to improve the vaporization potential of steam.WATER AS FLOW MEDIUM is provided with one effect condensate water pot 5
Water pipe.
Evaporator group 2 includes three groups of evaporators, and with 1st effective evaporator A in order to illustrate forming for evaporator, an effect is steamed
Sending out device A includes an effect separator 10a, an effect circulating pump 11a and effect heater a 12a, an effect separator 10a, an effect circulating pump
It is in loop that the effects of 11a and one heater 12a, which has pipeline connection, and desulfurization wastewater separates 10a connections with an effect, and desulfurization wastewater adds in an effect
Heat exchange is carried out in hot device 12a, steam is connected by the pipeline at the top of it and two effect heater 12b in an effect separator 10a
Connect, as two effect heater 12b thermal source, the concentrate separated in an effect separator 10a is connected with two effect separator 10b, is made
For two effect separator 10b separation object, circulated by two effect circulating pump 11b drivings in 2nd effect evaporator, similarly, two effect separation
The steam that device 10b is isolated enters triple effect heater 12c, as triple effect heater 12c thermal source, triple effect cycle pump 11c's
The lower concentrate with entering triple effect separator 10c of effect carries out heat exchange, and the steam that triple effect separator 10c is isolated enters tail
Gas condenser 3 cools down, and the concentrate isolated enters spraying system, and spraying system includes：The concentration being sequentially connected by pipeline
Liquid storage tank 17, discharging pump 18 and nozzle 19, concentrate storage tank 17 are connected with triple effect separator 10c concentrated solution outlet, spray
Mouth 19 is arranged in the flue before deduster, and the compressed air for atomization is connected with nozzle 19.Concentrate is by spraying system
System is emitted into flue, and dust is formed in flue, is trapped by deduster.
After steam enters tail gas condenser 3, heat exchange cooling is carried out with cooling water pipe in tail gas condenser 3, is flowed into after cooling
Tail gas condensing tank 4, in the presence of condensate pump 13, it is discharged into finished product water tank.
Steam as thermal source is after two effect heater 12b and triple effect heater 12c heat exchange coolings from condensation-water drain stream
Go out, converge into tail gas condensing water pot 4.
Tail gas vacuum extractor 14 is connected with tail gas condensing tank 4, tail gas vacuum extractor 14 is true in the present embodiment
Empty pump, vacuum environment will be formed in desulfurization wastewater pipeline, improve the vaporization potential of steam in evaporator group.
The system does not add any medicine, the clean Water circulation that distilled goes out, desulfurization wastewater in desulfurization wastewater concentration process
Processing system backwater rate is more than 90%.
Several preferred embodiments of the application, but the application not limited to this, every ability are only described above in association with accompanying drawing
Domain those of ordinary skill is not in the case where departing from spirit herein, any improvement and/or deformation made, belongs to the guarantor of the application
Protect scope.
Claims (9)
1. a kind of spraying system that desulfurization wastewater is concentrated using fume afterheat, it is characterised in that the system includes：Flue heat exchange
Device, evaporator group, tail gas condenser, tail gas condensing tank and spraying system, desulfurization wastewater pipeline and the flue heater and institute
The connection of evaporator group is stated, the steam after evaporator group processing sequentially enters the tail gas condenser and institute by pipeline
Tail gas condensing tank is stated, the concentrate after evaporator group processing enters spraying system by pipeline；Wherein,
The chimney heat exchanger, is arranged in the discharge-channel of boiler smoke, utilizes taking off in fume afterheat heating evaporation device group
Sulphur waste water；
The evaporator group, including at least one set of evaporator, evaporator described in every group include by pipeline connect cyclization heater,
Circulating pump and separator, the chimney heat exchanger are connected with the heater, and steam (vapor) outlet and dense is provided with the separator
Contracting liquid is exported, and evaporator group is separated moisture in desulfurization wastewater with salinity impurity by way of evaporation；
The tail gas condenser, the steam cooling of evaporation is condensed；
The tail gas condensing tank, store condensed water and be sent into finished product water tank；
The spraying system, concentrate is atomized and sprayed in the discharge-channel of boiler smoke.
2. spraying system as claimed in claim 1, it is characterised in that the spraying system includes：It is sequentially connected by pipeline
Concentrate storage tank, discharging pump and nozzle, the concentrate storage tank are connected with the concentrated solution outlet of the separator, the spray
Mouth is arranged in the flue before deduster, and the compressed air for atomization is connected with nozzle.
3. spraying system as claimed in claim 1, it is characterised in that when setting multigroup evaporator, evaporator series
Connection：Heater described in the steam (vapor) outlet and next stage of separator described in upper level connects, and the concentrate of upper level separator goes out
Mouth is connected with next stage separator.
4. spraying system as claimed in claim 3, it is characterised in that the heating in other described evaporators in addition to first group
Condensation-water drain is provided with device, the condensation-water drain is connected with the tail gas condensing tank.
5. spraying system as claimed in claim 1, it is characterised in that be connected with tail gas vacuum means on the tail gas condensing tank
Put.
6. spraying system as claimed in claim 1, it is characterised in that be provided with the flue gas heat-exchange unit and be connected with heat exchanger tube
Steam generator and lower condensate sump, the steam generator is connected by steam pipework with the steam inlet of the heater,
The condensation-water drain of heater is connected with the condensing water inlet of described one effect drainer, and the condensation-water drain of an effect drainer passes through
Water pump is connected the circulation loop to form WATER AS FLOW MEDIUM with the lower condensate sump.
7. spraying system as claimed in claim 6, it is characterised in that be provided with water pipe on the effect drainer.
8. spraying system as claimed in claim 6, it is characterised in that be provided with an effect vacuum means on the effect drainer
Put.
9. spraying system as claimed in claim 1, it is characterised in that be provided with cooling water pipe in the tail gas condenser.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670379.0A CN107337245A (en) | 2017-08-08 | 2017-08-08 | A kind of spraying system that desulfurization wastewater is concentrated using fume afterheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670379.0A CN107337245A (en) | 2017-08-08 | 2017-08-08 | A kind of spraying system that desulfurization wastewater is concentrated using fume afterheat |
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| CN107337245A true CN107337245A (en) | 2017-11-10 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107792909A (en) * | 2017-12-08 | 2018-03-13 | 北京尤科恩环保工程有限公司 | A kind of dope drying system that desulfurization wastewater is concentrated using fume afterheat |
| CN109381879A (en) * | 2018-12-26 | 2019-02-26 | 郑州博大浓缩干燥设备有限公司 | Aluminium polychloride production evaporation and concentration spray drying system |
| CN110280032A (en) * | 2019-07-29 | 2019-09-27 | 唐俊 | A kind of recovery system for energy, moisture and dust in high-temperature flue gas |
| CN110372052A (en) * | 2019-07-09 | 2019-10-25 | 中国航发哈尔滨东安发动机有限公司 | A kind of isolated island formula miniature gas turbine vapor recompression system and control method |
| CN111362339A (en) * | 2020-04-15 | 2020-07-03 | 成都三顶环保科技有限公司 | A concentrated atomizing evaporation to dryness equipment for desulfurization waste water |
| CN112125463A (en) * | 2020-10-14 | 2020-12-25 | 青岛润扬环境科技有限公司 | Power plant variable load coal-fired boiler desulfurization wastewater zero discharge system |
| CN114349101A (en) * | 2022-01-14 | 2022-04-15 | 国家电投集团远达水务有限公司 | High-salinity wastewater evaporation and concentration system utilizing waste heat and using method thereof |
| CN114349094A (en) * | 2022-01-14 | 2022-04-15 | 国家电投集团远达水务有限公司 | High-salinity wastewater zero-discharge treatment process |
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Application publication date: 20171110 |