CN101634453A - Quenching process and quenching device of incineration smoke of waste liquid and waste gas containing chlorine - Google Patents
Quenching process and quenching device of incineration smoke of waste liquid and waste gas containing chlorine Download PDFInfo
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- CN101634453A CN101634453A CN200910169676A CN200910169676A CN101634453A CN 101634453 A CN101634453 A CN 101634453A CN 200910169676 A CN200910169676 A CN 200910169676A CN 200910169676 A CN200910169676 A CN 200910169676A CN 101634453 A CN101634453 A CN 101634453A
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- 238000010791 quenching Methods 0.000 title claims abstract description 47
- 239000002699 waste material Substances 0.000 title claims abstract description 47
- 239000007788 liquid Substances 0.000 title claims abstract description 33
- 239000000460 chlorine Substances 0.000 title claims abstract description 23
- 239000002912 waste gas Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 11
- 239000000779 smoke Substances 0.000 title claims abstract description 10
- 230000000171 quenching effect Effects 0.000 title abstract 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000003513 alkali Substances 0.000 claims abstract description 20
- 238000002485 combustion reaction Methods 0.000 claims abstract description 13
- 239000000498 cooling water Substances 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 57
- 239000003546 flue gas Substances 0.000 claims description 57
- 239000007789 gas Substances 0.000 claims description 50
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 48
- 239000000243 solution Substances 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 32
- 239000002253 acid Substances 0.000 claims description 30
- 239000010808 liquid waste Substances 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 239000010439 graphite Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 3
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention relates to a quenching process and a quenching device of incineration smoke of waste liquid and waste gas containing chlorine. In the process, waste liquid/waste gas containing chlorine is conveyed into an incinerator to have a reaction under the action of sufficient oxygen, wherein organic matters are oxidized and degraded into CO2, H2O, HCL, extremely micro Cl2, and the like; high-temperature smoke directly enters a quenching tower and is quickly cooled below 90 DEG C under the action of cooling water; and the smoke enters a filling tower to carry out alkaline wash and then is exhausted into atmosphere through a chimney. The device mainly comprises an incineration furnace which is connected with a waste liquid/waste gas supply system, a fuel system and a combustion air system, and the tail part of the incineration furnace is directly connected with the quenching power. The quenching tower cyclically sprays out diluted hydrochloric acid through the cooling water to cool the smoke and adsorb the HCL in the smoke, and the quenching tower is connected with an alkali absorption system of the filling tower. The invention can effectively reduce the generation of dioxin, thereby meeting the requirements of environmental protection and energy saving.
Description
Technical field
The present invention relates to technology and device that a kind of flue gas is handled, particularly relate to a kind of treatment process and device of chloride waste liquid burned waste gas flue gas.
Background technology
Along with the development of producing, chemical production device is large-scale to be built rapidly, and the output of bazardous waste is more and more.Along with the enhancing of people's environmental consciousness and the reinforcement day by day of national policy rules, also more and more higher to the treatment technology requirement of bazardous waste.Incineration technology is to handle thoroughly, and is efficient, and reduced investment is taken up an area of advantages such as few, has become an important technology in the chemical industry, and incinerator has also become the important component part in the chemical plant installations.Burning method handle organic waste be under hot conditions, utilize the air deep oxidation dispose waste liquid in organic effective means, the discarded object of organic compound changes into CO through high temperature incineration usually
2And H
2Behind the O, row is to atmosphere.As long as temperature is greater than 800 ℃ in the incinerator, and discarded object has the sufficiently long time of staying in the furnace high-temperature district, and discarded object can decompose basically fully, realizes nuisanceless discharging.
But, when high temperature incineration, can give off the chlorine of HCl and free state for the chloride organic liquid waste waste gas that produces in some Chemical Manufacture.Chlorine has very strong corrosivity, not only can cause the high temperature corrosion damage of heating surface, also can cause the cold end corrosion of back-end surfaces and flue; More seriously, chlorine is extremely malicious medium, easily environment is caused huge pollution, and all there is strict regulation various countries to this.Therefore, how realizing the qualified discharge of chlorine-containing waste, is that pendulum is in the previous important topic of engineering design worker face.
According to present environmental requirement, the waste liquid waste gas that domestic petroleum chemical industry produces must have and independently burns the unit, and domestic burning disposal technology for chloride waste liquid waste gas is to burn the back to reclaim heat with waste heat boiler mostly at present.Though can burning disposal fall waste liquid waste gas and reclaim heat to produce certain economic benefits, because the existence of a large amount of chlorine, the flue gas that burning produces will inevitably cause a large amount of synthetic of dioxin when reclaiming heat in waste heat boiler, produces secondary pollution.
Summary of the invention
The objective of the invention is to overcome the defective that produces the synthetic again and environmental pollution of De bioxin when waste heat boiler reclaims heat in the existing burning process, thereby provide a kind of chilling new technology and device thereof of chloride waste liquid burned waste gas flue gas, can not only guarantee the abundant burning disposal of chloride waste liquid waste gas, also can reduce simultaneously the growing amount of dioxin in the flue gas, make and burn the satisfied more and more stricter environmental requirement of the flue gas that produces.
The invention provides a kind of emergency cooling process of chloride waste liquid burned waste gas flue gas, specifically may further comprise the steps:
A. burn: chloride waste liquid waste gas is sent into the burning tower, in combustion air, carry out high temperature incineration under the effect of oxygen, preferred incineration temperature is 1100-1200 ℃, forms high-temperature flue gas behind the high temperature incineration, the oxidized Cl that resolves into CO2, H2O, HCl and denier of the organic matter in the waste liquid waste gas
2Deng;
B. chilling: burn the high-temperature flue gas that produces and directly enter quench tower, flow from top to bottom, with the abundant contact heat-exchanging of chilled water (chw), high-temperature flue gas is reduced to below 90 ℃ in extremely short temperature fall time, preferred temperature fall time is in 0.3 second, HCl in the high-temperature flue gas is dissolved in and forms watery hydrochloric acid in the chilled water (chw), inner surface at quench tower forms moisture film to the part chilled water (chw) along the slit between chilled water (chw) endless tube and quench tower wall, make the wall of quench tower obtain cooling, watery hydrochloric acid recycles as chilled water (chw) through after the heat exchange; After the watery hydrochloric acid concentration that recycles as chilled water (chw) arrives 20%, can utilize again, improve the economic benefit of technology through output device after the heat exchange.
C. alkali cleaning: the flue gas behind the chilling enters packed tower, in packed tower with alkali lye as cleaning solution, the Cl of the HCl of the remnants in the flue gas and free state
2Absorb fully, flue-gas temperature is lowered to about 60 ℃.
D. the discharging: treated clean flue gas by smoke stack emission in atmosphere.
In step c, preferred alkali lye is the aqueous solution of NaOH or NaHCO3.
The present invention also provides a kind of device that is applied to above-mentioned chloride waste liquid burned waste gas flue gas emergency cooling process, comprise chloride waste liquid waste gas supply line, the combustion air supply line, incinerator, quench tower, the acid solution circulation line, the acid solution circulating pump, graphite heat exchanger, the chilled water (chw) endless tube, the recirculated cooling water pipeline, the acid solution output pipe, packed tower, alkali liquid tank, NaOH solution circulating pump and chimney, wherein chloride waste liquid waste gas supply line directly is connected with the incinerator fire door respectively with the combustion air supply line, the incinerator end links to each other with quench tower, the quench tower bottom links to each other with the acid solution circulation line, the acid solution circulation line is provided with acid solution circulating pump and graphite heat exchanger after connecting from the quench tower bottom successively, then link to each other with the chilled water (chw) endless tube at quench tower top, the acid solution circulation line is drawn the acid solution output pipe that is connected to outside the device between graphite heat exchanger and quench tower, the quench tower middle part links to each other with the packed tower bottom by pipeline, the packed tower top connects chimney, the packed tower bottom connects alkali liquid tank, and alkali liquid tank is connected to the packed tower top through NaOH solution circulating pump.
In said apparatus, aperture on the chilled water (chw) endless tube is evenly arranged, chilled water (chw) enters the chilled water (chw) endless tube under pressure, and again from along spraying the equally distributed aperture of chilled water (chw) endless tube wall, the water droplet that sprays from aperture is the cone-shaped water mist that interlocks and is distributed in the flue gas.
Effect of the present invention: after adopting the burning chilling new technology and device of the chloride waste liquid waste gas of processing provided by the invention, flue gas is chilling dwell time in the tower extremely short (the chloride high temperature flue gas that waits drops to required time below 90 ℃ less than 0.3 second from 1100 ℃), effectively suppress or reduce the synthetic again of bioxin, realized the nuisanceless processing of chloride waste liquid waste gas, reach strict environmental requirement, had good social benefit; The present invention has simultaneously also realized the recovery of HCl, and the organic efficiency of the HCl in the flue gas up to more than 95%, is had good economic benefit.
Description of drawings
Fig. 1 is the process chart of the emergency cooling process of a kind of chloride waste liquid burned waste gas flue gas provided by the invention.
Fig. 2 is the structure chart that is applied to the device of chloride waste liquid burned waste gas flue gas emergency cooling process provided by the invention.
Among the figure: 1. chlorine waste liquid waste gas supply line, 2. combustion air supply line, 3. incinerator, 4. quench tower, 5. acid solution circulation line, 6. acid solution circulating pump, 7. graphite heat exchanger, 8. the cold water endless tube 9. encircles cooling water pipeline, 10. acid solution output pipe, 11. packed tower, 12. alkali liquid tank, 13. NaOH solution circulating pumps, 14. chimneys.
The specific embodiment
Below in conjunction with accompanying drawing chloride waste liquid burned waste gas flue gas emergency cooling process of the present invention and device are further described.
Embodiment 1
As shown in Figure 2, the device that is applied to chloride waste liquid burned waste gas flue gas emergency cooling process of the present invention comprises chlorine waste liquid waste gas supply line 1, combustion air supply line 2, incinerator 3, quench tower 4, acid solution circulation line 5, acid solution circulating pump 6, graphite heat exchanger 7, chilled water (chw) endless tube 8, recirculated cooling water pipeline 9, acid solution output pipe 10, packed tower 11, alkali liquid tank 12, NaOH solution circulating pump 13 and chimney 14, wherein chloride waste liquid waste gas supply line 1 directly is connected with incinerator 3 fire doors respectively with combustion air supply line 2, incinerator 3 ends link to each other with quench tower 4, quench tower 4 bottoms link to each other with acid solution circulation line 5, acid solution circulation line 5 is provided with acid solution circulating pump 6 and graphite heat exchanger 7 after connecting from quench tower 4 bottoms successively, then the chilled water (chw) endless tube 8 with quench tower 4 tops links to each other, acid solution circulation line 5 is drawn the acid solution output pipe 10 that is connected to outside the device between graphite heat exchanger 7 and quench tower 4, quench tower 4 middle parts link to each other with packed tower 11 bottoms by pipeline, packed tower 11 tops connect chimney 14, packed tower 11 bottoms connect alkali liquid tank 12, and alkali liquid tank 12 is connected to packed tower 11 tops through NaOH solution circulating pump 13.
As depicted in figs. 1 and 2, chloride waste liquid burned waste gas flue gas emergency cooling process of the present invention, the first step is that chloride waste liquid waste gas is sent in the incinerator, reacts the oxidized CO that resolves into of the organic matter in the waste liquid waste gas with oxygen in the combustion air under 1100～1200 ℃ high temperature
2, H
2The Cl of O, HCl and denier
2Deng; Second step was to burn the high-temperature flue gas that produces directly to enter in the quench tower, was cooled to rapidly below 90 ℃ under the chilled water (chw) effect that sprays in the chilled water (chw) endless tube; In the 3rd step, cooled smoke enters packed tower and reacts with reverse contact of alkali lye, wherein the Cl of Can Yu HCl and free state
2Absorbed by alkali lye; In the 4th step, clean flue gas is discharged atmosphere by chimney.
Particularly, chloride waste liquid waste gas enters the burner of incinerator 3 through chloride waste liquid waste gas supply line 1, react with the oxygen the combustion air of the burner that enters incinerator 3 from combustion air supply line 2, the organic matter in the chloride waste liquid waste gas is the oxidized CO that resolves in the burner hearth of incinerator 3
2, H
2The Cl of O, HCl and denier
2Deng, directly enter the top of quench tower 4 by the high-temperature flue gas of these gas compositions, flow from top to bottom.The water spray aperture evenly distributes on the chilled water (chw) endless tube 8, the logical water spray of chilled water (chw) aperture sprays into quench tower 4 inside, in quench tower 4, form the cone-shaped water mist that is evenly distributed, directly contact with high-temperature flue gas from incinerator 3, the temperature of high-temperature flue gas was reduced in 0.3 second below 90 ℃, and the HCl in the flue gas is dissolved in and forms watery hydrochloric acid in the chilled water (chw); Inner surface at quench tower 4 forms moisture film to the part chilled water (chw) along the slit between chilled water (chw) endless tube 8 and quench tower 4 walls, makes the wall of quench tower 4 obtain cooling.The watery hydrochloric acid that produces in quench tower 4 bottoms after acid solution circulation line 5 process graphite heat exchangers 7 heat exchange cooling, enters chilled water (chw) endless tube 8 under the effect of acid solution circulating pump 6, recycle as chilled water (chw).In graphite heat exchanger 7, watery hydrochloric acid and recirculated cooling water indirect contact heat exchanger.After watery hydrochloric acid concentration reaches 20%, after graphite heat exchanger 7 heat exchange, utilize again by acid solution output pipe 10 output devices.Cooled smoke enters packed tower 11 bottoms by quench tower 4 middle parts by pipeline.In packed tower 11, flue gas and the NaOH or the NaHCO that send here by NaOH solution circulating pump 13 from alkali liquid tank 12
3The reverse contact of the aqueous solution reacts, the Cl of free state in the flue gas
2HCl and NaOH or NaHCO with remnants
3The aqueous solution reacts, and makes the Cl in the flue gas
2Thoroughly got rid of with HCl.The flue gas that comes out from packed tower 12 tops is discharged through chimney 14.
Experimental example
Three kinds of burning waste liquids that enter incinerator simultaneously are composed as follows:
High-temperature flue gas after the burning is composed as follows:
| The primary product composition | Product content | Unit |
| Ar (gas) | ??70.27 | ??kg/h |
| ??CO 2(gas) | ??766.7 | ??kg/h |
| ??N 2(gas) | ??4121 | ??kg/h |
| ??H 2O (gas) | ??348.7 | ??kg/h |
| ??NO X(gas) | ??1.07 | ??kg/h |
| ??Cl 2(gas) | ??0.27 | ??kg/h |
| HCl (gas) | ??137.1 | ??kg/h |
| ??O 2(gas) | ??557.3 | ??kg/h |
| CO (gas) | ??0.02 | ??kg/h |
Flue gas is composed as follows behind the quench tower chilling:
| The primary product composition | Product content | Unit |
| Ar (gas) | ??70.27 | ??kg/h |
| ??CO 2(gas) | ??766.7 | ??kg/h |
| ??N 2(gas) | ??4121 | ??kg/h |
| ??H 2O (gas) | ??1557.3 | ??kg/h |
| ??NO X(gas) | ??1.07 | ??kg/h |
| ??Cl 2(gas) | ??0.23 | ??kg/h |
| HCl (gas) | ??0.0128 | ??kg/h |
| ??O 2(gas) | ??557.3 | ??kg/h |
| CO (gas) | ??0.02 | ??kg/h |
Flue gas is composed as follows after packed tower absorbs:
| The primary product composition | Product content | Unit |
| Ar (gas) | ??70.27 | ??kg/h |
| ??CO 2(gas) | ??766.7 | ??kg/h |
| ??N 2(gas) | ??4121 | ??kg/h |
| ??H 2O (gas) | ??357.3 | ??kg/h |
| ??NO X(gas) | ??1.07 | ??kg/h |
| ??Cl 2(gas) | ??0 | ??kg/h |
| HCl (gas) | ??0 | ??kg/h |
| ??O 2(gas) | ??557.3 | ??kg/h |
| CO (gas) | ??0.02 | ??kg/h |
Experimental result and analysis: by above-mentioned experimental data as can be known, the absorptivity of the HCl behind over-quenching in the high-temperature flue gas does not contain HCl and Cl more than 99.99% through the high-temperature flue gas after the packed tower absorption
2， bioxin detection level is much smaller than 0.5TEQ ng/m after testing
3, satisfy the airborne release requirement.
Claims (6)
1. the emergency cooling process of a chloride waste liquid burned waste gas flue gas is characterized in that it may further comprise the steps:
A. burn: chloride waste liquid waste gas is sent into the burning tower, in combustion air, carry out high temperature incineration under the effect of oxygen, form high-temperature flue gas, the oxidized CO that resolves into of the organic matter in the waste liquid waste gas
2, H
2The Cl of O, HCl and denier
2Deng;
B. chilling: burn the high-temperature flue gas that produces and directly enter quench tower, flow from top to bottom, with the abundant contact heat-exchanging of chilled water (chw), high-temperature flue gas is reduced to below 90 ℃ in extremely short temperature fall time, HCl in the high-temperature flue gas is dissolved in the chilled water (chw), forms watery hydrochloric acid, and watery hydrochloric acid recycles as chilled water (chw) through after the heat exchange, after watery hydrochloric acid concentration arrives 20%, utilize again through output device after the heat exchange;
C. alkali cleaning: the flue gas behind the chilling enters packed tower, in packed tower with alkali lye as cleaning solution, the Cl2 of the HCl of the remnants in the flue gas and free state is absorbed fully, flue-gas temperature is lowered to about 60 ℃.
D. the discharging: treated clean flue gas by smoke stack emission in atmosphere.
2. the emergency cooling process of chloride waste liquid burned waste gas flue gas as claimed in claim 1 is characterized in that the incineration temperature among the step a is 1100-1200 ℃.
3. the emergency cooling process of chloride waste liquid burned waste gas flue gas as claimed in claim 1, the temperature fall time that it is characterized in that the high-temperature flue gas described in the step b is in 0.3 second.
4. the emergency cooling process of chloride waste liquid burned waste gas flue gas as claimed in claim 1 is characterized in that the alkali lye among the step c is NaOH or NaHCO
3The aqueous solution.
5. treating apparatus that is applied to the chloride waste liquid burned waste gas flue gas of claim 1, it is characterized in that it comprises chlorine waste liquid waste gas supply line (1), combustion air supply line (2), incinerator (3), quench tower (4), acid solution circulation line (5), acid solution circulating pump (6), graphite heat exchanger (7), chilled water (chw) endless tube (8), recirculated cooling water pipeline (9), acid solution output pipe (10), packed tower (11), alkali liquid tank (12), NaOH solution circulating pump (13) and chimney (14), wherein chloride waste liquid waste gas supply line (1) directly is connected with incinerator (3) fire door respectively with combustion air supply line (2), incinerator (3) is terminal to link to each other with quench tower (4), quench tower (4) bottom links to each other with acid solution circulation line (5), acid solution circulation line (5) is provided with acid solution circulating pump (6) and graphite heat exchanger (7) after connecting from quench tower (4) bottom successively, then the chilled water (chw) endless tube (8) with quench tower (4) top links to each other, acid solution circulation line (5) is drawn the acid solution output pipe (10) that is connected to outside the device between graphite heat exchanger (7) and quench tower (4), quench tower (4) middle part links to each other with packed tower (11) bottom by pipeline, packed tower (11) top connects chimney (14), packed tower (11) bottom connects alkali liquid tank (12), and alkali liquid tank (12) is connected to packed tower (11) top through NaOH solution circulating pump (13).
6. the treating apparatus of chloride waste liquid burned waste gas flue gas as claimed in claim 5, it is characterized in that the aperture on the chilled water (chw) endless tube (8) in the quench tower (4) evenly arranges, chilled water (chw) enters chilled water (chw) endless tube (8) under pressure, from along spraying the equally distributed aperture of chilled water (chw) endless tube (8) wall, the water droplet that sprays from aperture is the cone-shaped water mist that interlocks and is distributed in the flue gas again.
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|---|---|---|---|
| CN2009101696762A CN101634453B (en) | 2009-08-31 | 2009-08-31 | Quenching process and quenching device of incineration smoke of waste liquid and waste gas containing chlorine |
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|---|---|---|---|
| CN2009101696762A CN101634453B (en) | 2009-08-31 | 2009-08-31 | Quenching process and quenching device of incineration smoke of waste liquid and waste gas containing chlorine |
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| CN101634453B CN101634453B (en) | 2011-08-17 |
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