CN103801185B - Metallic fume treatment and purification system - Google Patents
Metallic fume treatment and purification system Download PDFInfo
- Publication number
- CN103801185B CN103801185B CN201210441386.0A CN201210441386A CN103801185B CN 103801185 B CN103801185 B CN 103801185B CN 201210441386 A CN201210441386 A CN 201210441386A CN 103801185 B CN103801185 B CN 103801185B
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- Prior art keywords
- pipeline
- spray column
- circulating slot
- tower
- scrubbing tower
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- Expired - Fee Related
Links
- 238000000746 purification Methods 0.000 title claims abstract description 13
- 239000003517 fume Substances 0.000 title claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 35
- 238000005201 scrubbing Methods 0.000 claims abstract description 29
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003546 flue gas Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims abstract description 8
- 241000628997 Flos Species 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 239000003518 caustics Substances 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 6
- 239000003595 mist Substances 0.000 description 5
- 239000002250 absorbent Substances 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005272 metallurgy Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 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
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 hydrogen Sodium oxide Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
nullThe present invention relates to filed of flue gas purification，For controlling environmental pollution、Purpose is to provide a kind of metallic fume treatment and purification system，Including the condenser linked together by pipeline、Spray column and scrubbing tower，Multiple spiral nozzle it is provided with in Spray column，The outside of Spray column is provided with the first circulating slot，First circulating slot is built with aqua calcis，The lower end of Spray column is connected by the sidepiece of the first pipeline and the first circulating slot，The pipeline communicated with spiral nozzle passes through second pipeline sidepiece also with the first circulating slot and connects，Second pipeline is provided with the first recycle liquid pump，The top of Spray column is connected with scrubbing tower by the 3rd pipeline，Packing layer it is provided with in scrubbing tower，Packing layer be arranged over three-dimension type demister，The top of scrubbing tower is provided with clean gas floss hole，It is discharged into atmosphere by fan action power，The outside of scrubbing tower is provided with the second circulating slot，Second circulating slot is built with sodium hydroxide solution，The pipeline communicated with three-dimension type demister is extend in the second circulating slot by the 4th pipeline，4th pipeline is provided with the second recycle liquid pump.
Description
Technical field
The present invention relates to filed of flue gas purification, particularly relate to a kind of metallic fume treatment and purification system
System, is used for controlling environmental pollution.
Background technology
Non-ferrous metal metallurgy smoke components complexity, harmful gas are (such as sulfur, chlorine, hydrargyrum, cadmium, aluminum
Or arsenic) flue gas, smoke components is slightly soluble in water, through high-temperature oxydation in smelting process, cigarette
Temperature height plug for outlet temperature is at 900 DEG C, and volatilization or other materials react to each other (empty with gas carrier
Gas) enter atmosphere, they energy long periods are floating in atmosphere, or fall during rainfall,
After be deposited on plant or soil surface, by crops and human consumption, very big to human health risk,
Pollution on the environment is the most destructive, in non-ferrous metal metallurgy fume treatment system of China
System pole imperfection.
For non-ferrous metal metallurgy fume treatment, domestic warp frequently with processing method: 1. use
NaOH2Secondary purification method, owing to temperature height reacts other material, there is mist dragon and presss from both sides in aiutage
The harmful substances such as band granule, after using activated carbon adsorption to purify, gold heavily belongs to element to be difficult to adsorb,
Be accessible to saturated, cost is high.2. use the method such as electron beam irradiation collimation method and impulse electric corona,
Exhaust gas volumn is big, cannot aoxidize heavy metal composition, it is difficult to purifying requirement.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides that a kind of equipment is reliable, stable, transports
Row low cost is simple to operate, easy to maintenance, smelting non-ferrous metal class flue gas is relatively suitable for use
Metallic fume treatment and purification system.
The metallic fume treatment and purification system of the present invention, cold including linked together by pipeline
Condenser, Spray column and scrubbing tower, the bottom of described condenser be provided with cooling water inlet and
Coolant outlet, is provided with coil pipe in condenser, gas approach is connected with one end of condenser, cold
The other end of condenser is connected with Spray column, be provided with in described Spray column multiple spirally
Nozzle, the outside of Spray column is provided with the first circulating slot, and the first circulating slot is built with hydroxide
Calcium solution, the lower end of Spray column is connected by the sidepiece of the first pipeline and the first circulating slot,
The pipeline communicated with spiral nozzle passes through second pipeline sidepiece also with the first circulating slot and connects,
Second pipeline is provided with the first recycle liquid pump, and the 3rd pipeline is passed through on the top of described Spray column
Be connected with described scrubbing tower, in described scrubbing tower, be provided with packing layer, packing layer be arranged over three
Dimension formula demister, the top of scrubbing tower is provided with clean gas floss hole, is arranged by fan action power
Being put into atmosphere, the outside of scrubbing tower is provided with the second circulating slot, and the second circulating slot is built with hydrogen-oxygen
Changing sodium solution, the pipeline communicated with three-dimension type demister extend into the second circulation by the 4th pipeline
In groove, the 4th pipeline is provided with the second recycle liquid pump.
Further, described condenser is shell-and-tube cooler, and flue gas is by condenser coil
Exchanging with cooling water heat outside transmission temperature, coil pipe side, temperature controls at 120 DEG C；
Further, in described Spray column tower, wind speed is 1.2m/s, in Spray column tower
Sprinkle density 8-12m3/m2.h, the sprinkle density in scrubbing tower is 6-8m3/m2.h。
Further, the concentration of described lime water is 20%, and in tower, temperature controls 50
DEG C, the concentration of caustic lye of soda be 10%, in tower, temperature controls at 30 DEG C, caustic lye of soda
PH value is 9-10.
Further, described spray tower air inlet pipeline material be carbon steel, spraying tower body be composite wood
Material steel lining plastic or fiberglass, scrubbing tower tower body material is fiberglass FRp.
Compared with prior art, the invention have the benefit that the non-ferrous metal metallurgy of the present invention
Smoke processing system is reliable through equipment, stable, low simple to operate, the maintenance side of operating cost
Just, relatively it is suitable for smelting non-ferrous metal class flue gas using.
My company is in areas such as Chengdu, Sichuan, Chongqing, Yunnan, Shaanxi, to non-ferrous metal flue gas
Process using effect is good, detects data heavy metal 0.25mg/nm3, SO2Isoconcentration
25mg/nm3, air reach secondary discharge standard.
Accompanying drawing explanation
Fig. 1 is the structural representation of the metallic fume treatment and purification system of the present invention.
Detailed description of the invention
Below the detailed description of the invention of the present invention is described in further detail；Following example are used
In the explanation present invention, but it is not limited to the scope of the present invention.
Shown in Figure 1, the metallic fume treatment and purification system of the present invention, including passing through pipeline
Condenser 10, Spray column 20 and the scrubbing tower 30 linked together, described condenser 1
Bottom be provided with cooling water inlet 101 and coolant outlet 102, be provided with coil pipe in condenser 10,
Gas approach is connected with one end of condenser 10, the other end of condenser 10 and Spray column 20
It is connected, in described Spray column 20, is provided with multiple spiral nozzle 201, Spray column 20
Outside be provided with the first circulating slot 40, the first circulating slot 40 built with aqua calcis, spraying
The lower end on absorption tower 20 is connected, with spiral with the sidepiece of the first circulating slot 40 by the first pipeline 50
The pipeline that formula nozzle communicates passes through second pipeline 60 sidepiece also with the first circulating slot 40 and connects, the
Two pipelines 60 are provided with the first recycle liquid pump 202, and the top of described Spray column 20 is by the
Three pipelines 70 are connected with described scrubbing tower 30, be provided with packing layer 301, fill out in described scrubbing tower 30
The bed of material 301 be arranged over three-dimension type demister 302, the top of scrubbing tower 30 is provided with clean gas
Floss hole 304, is discharged into atmosphere by fan action power, and the outside of scrubbing tower 30 is provided with
Two circulating slots 80, the second circulating slot 80 is built with sodium hydroxide solution, with three-dimension type demister 302
The pipeline communicated is extend in the second circulating slot 80 by the 4th pipeline 90, and the 4th pipeline 90 sets
There is the second recycle liquid pump 303.
Condenser 10 is shell-and-tube cooler, and flue gas is by transmission temperature, dish in condenser coil
Tube side is outer and cooling water heat exchanges, and temperature controls at 120 DEG C；
In Spray column 20 tower, wind speed is 1.2m/s, the sprinkle density in Spray column 20 tower
8-12m3/m2.h, temperature 50 C in tower, sprinkle density in scrubbing tower 30 are 6-8m3/m2.h。
In tower, in temperature 30 DEG C, tower, pressure is negative 650Pa.
The concentration of lime water is 20%, and the concentration of caustic lye of soda is 10%, sodium hydroxide
The pH value of liquid is 9-10.
Described spray tower air inlet pipeline material be carbon steel, spraying tower body be composite steel lining plastic or
Fiberglass, scrubbing tower 30 tower body material is fiberglass FRp.
The work process of metallic fume treatment and purification system of the present invention is as follows:
Combustion gas furnace inner outlet enters in gas skirt, and flue gas exit temperature is relevant with gas skirt height
System, under blower fan driving effect, lowers the temperature through shell-and-tube cooler, and flue gas is by transmission in coil pipe
Controlling at 120 DEG C with cooling water heat exchange, temperature outside temperature, coil pipe side, technological process is to spray
Mist tower, wind speed 1.2m/s in spray tower tower, spray tower absorbent is the calcium hydroxide of concentration 20%
Solution, sprinkle density 8-12m3/m2.h, in spray tower, effective temperature-reducing is to 50 DEG C, at wind for flue gas
Produce negative pressure under machine driving effect, in tower, the fine mist of nozzle generation makes gas reach saturated
Hypersaturated state, fine mist the most effectively absorb heavy metal finely ground particle substance and coagulate with gas collisions
And, become bigger polymer and settle down, flue gas particle concentration 800mg/m3It is down to 40mg/m3
Solid SS granule noxious substance coagulating sedimentation slag in lime white absorbent receives flue gas, with SO2Being neutralized reaction, temperature is when 50 DEG C, and it can improve the pH value of absorbent slurry, fall
Low slurry viscosity, improves serosity working condition and atomizing effect.Actually be cured invasion slag liquid
In, eliminating a large amount of harmful smoke, wet cleaning is sulphuric acid after a period of time, in circulation fluid
Calcium containing can cumulative big, have crystal to separate out, slag liquid buried through filtering, be dehydrated, concentrate, packing
Or send water treatment station to process.
Preamble through aqua calcis process after produce aerosol, and after coagulation tail gas mist
Carry trace secretly and be harmful to SO2Deng gas, use two stage treatment, be recycled to scrubbing tower, absorbent is
10% sodium hydroxide solvent, solution pH value is 9-10, in waste gas press-in scrubbing tower, in scrubbing tower
Sprinkle density be 6-8m3/m2.h, temperature control 30 DEG C, it can improve absorption reaction, wash
Take gas-liquid conversed upper absorption pattern to process in washing tower, i.e. liquid from tower top downwards with vaporific (or
Little water droplet) spray and under, the pressurization of scrubbing tower solution be allowed to be formed in tower vaporific, with solvent hydrogen
Sodium oxide is neutralizing reaction, reaches to purify requirement, and concentration is 20mg/m3Meet national up to standard
Discharge.
The above is only the preferred embodiment of the present invention, it is noted that lead for this technology
For the those of ordinary skill in territory, on the premise of without departing from the technology of the present invention principle, it is also possible to
Making some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (1)
1. a metallic fume treatment and purification system, it is characterised in that: include by pipeline even
Condenser, Spray column and the scrubbing tower being connected together, the bottom of described condenser is provided with
Cooling water inlet and coolant outlet, be provided with coil pipe, gas approach and condenser in condenser
One end connects, and the other end of condenser is connected with Spray column, sets in described Spray column
Having multiple spiral nozzle, the outside of Spray column is provided with the first circulating slot, the first circulating slot
Built with aqua calcis, the first pipeline and the first circulating slot are passed through in the lower end of Spray column
Sidepiece connection, the pipeline communicated with spiral nozzle by the second pipeline also with the first circulating slot
Sidepiece connection, the second pipeline is provided with the first recycle liquid pump, the top of described Spray column
It is connected with described scrubbing tower by the 3rd pipeline, in described scrubbing tower, is provided with packing layer, packing layer
Be arranged over three-dimension type demister, the top of scrubbing tower is provided with clean gas floss hole, washing
The outside of tower is provided with the second circulating slot, and the second circulating slot is built with sodium hydroxide solution, with three-dimensional
The pipeline that formula demister communicates is extend in the second circulating slot by the 4th pipeline, on the 4th pipeline
It is provided with the second recycle liquid pump；
Described condenser is shell-and-tube cooler, and flue gas is controlled by temperature in condenser coil
120 DEG C:
In described Spray column tower, wind speed is 1.2m/s, the sprinkle density in Spray column tower
8-12m3/m2.h, the sprinkle density in scrubbing tower is 6-8m3/m2.h；
The concentration of described lime water is 20%, and the concentration of caustic lye of soda is 10%, hydrogen-oxygen
The pH value changing sodium liquid is 9-10；
Described scrubbing tower tower body material is fiberglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210441386.0A CN103801185B (en) | 2012-11-08 | 2012-11-08 | Metallic fume treatment and purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210441386.0A CN103801185B (en) | 2012-11-08 | 2012-11-08 | Metallic fume treatment and purification system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103801185A CN103801185A (en) | 2014-05-21 |
| CN103801185B true CN103801185B (en) | 2016-12-21 |
Family
ID=50698863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210441386.0A Expired - Fee Related CN103801185B (en) | 2012-11-08 | 2012-11-08 | Metallic fume treatment and purification system |
Country Status (1)
| Country | Link |
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| CN (1) | CN103801185B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766964A (en) * | 2017-01-18 | 2017-05-31 | 绵阳易简环保科技有限公司 | Energy-saving metal electric melting furnace cleaner |
| CN109224819A (en) * | 2018-11-02 | 2019-01-18 | 辽宁新瑞碳材料科技有限公司 | A kind of purification method of high temperature furnace sulfur-containing tail gas |
| CN109224799A (en) * | 2018-11-02 | 2019-01-18 | 辽宁新瑞碳材料科技有限公司 | A kind of purification system of high temperature furnace sulfur-containing tail gas |
| CN109708481B (en) * | 2019-01-14 | 2021-02-05 | 迁安市九江线材有限责任公司 | High-efficient environment-friendly steelmaking furnace |
| CN112077275A (en) * | 2020-09-26 | 2020-12-15 | 李万生 | Die casting machine for machining |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3839849A (en) * | 1971-08-24 | 1974-10-08 | G Maniya | Wet type desulfurization system for flue gas |
| CN1165051A (en) * | 1997-02-25 | 1997-11-19 | 沈阳环境科学研究所 | High efficiency flue gas desulfurization technology |
| CN101485957A (en) * | 2009-01-08 | 2009-07-22 | 浙江大学 | Device and method of simultaneous desulfuration and denitration for flue gas using ozone oxygenation combined with double-tower washing |
| CN101653694A (en) * | 2008-08-22 | 2010-02-24 | 邱吉康 | High-efficiency desulfurizing and dedusting device and desulfurizing and dedusting method thereof |
| CN102698582A (en) * | 2012-05-30 | 2012-10-03 | 艾淑艳 | Ammonium bicarbonate desulfurization process and ammonium bicarbonate desulfurization process system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011142405A1 (en) * | 2010-05-13 | 2011-11-17 | 戸田工業株式会社 | Wet-type flue-gas desulfurization device using three-way spray nozzle |
-
2012
- 2012-11-08 CN CN201210441386.0A patent/CN103801185B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3839849A (en) * | 1971-08-24 | 1974-10-08 | G Maniya | Wet type desulfurization system for flue gas |
| CN1165051A (en) * | 1997-02-25 | 1997-11-19 | 沈阳环境科学研究所 | High efficiency flue gas desulfurization technology |
| CN101653694A (en) * | 2008-08-22 | 2010-02-24 | 邱吉康 | High-efficiency desulfurizing and dedusting device and desulfurizing and dedusting method thereof |
| CN101485957A (en) * | 2009-01-08 | 2009-07-22 | 浙江大学 | Device and method of simultaneous desulfuration and denitration for flue gas using ozone oxygenation combined with double-tower washing |
| CN102698582A (en) * | 2012-05-30 | 2012-10-03 | 艾淑艳 | Ammonium bicarbonate desulfurization process and ammonium bicarbonate desulfurization process system |
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| Publication number | Publication date |
|---|---|
| CN103801185A (en) | 2014-05-21 |
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