CN202369391U - Industrialized production device for liquid sulfur trioxide - Google Patents
Industrialized production device for liquid sulfur trioxide Download PDFInfo
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- CN202369391U CN202369391U CN2011205594879U CN201120559487U CN202369391U CN 202369391 U CN202369391 U CN 202369391U CN 2011205594879 U CN2011205594879 U CN 2011205594879U CN 201120559487 U CN201120559487 U CN 201120559487U CN 202369391 U CN202369391 U CN 202369391U
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- nicotinic acid
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- acid
- heat exchanger
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Abstract
The utility model relates to an industrialized production device for liquid sulfur trioxide (SO3). The industrialized production device comprises a nicotinic acid tower (1), a nicotinic acid pump groove (2), a nicotinic acid cooling device (3), a nicotinic acid intermediate heat exchanger (4), a nicotinic acid evaporator (5), an SO3 condenser (6), a liquid SO3 storage groove (7) and a liquid SO3 pressurizing pump (8). High-temperature smoke gas of a cold and heat exchanger of a sulfur acid preparation device is introduced from an inlet of a pipe pass of a nicotinic acid boiler in the nicotinic acid evaporator in the industrialized production device of the liquid SO3, and liquid SO3 can be prepared. Because of the adoption of high-concentration nicotinic acid, the nicotinic acid boiling point is reduced, the gas phase secondary temperature reducing and defogging technology is adopted in the SO3 separation, the sulfur acid content in the SO3 is greatly reduced, the purity of the SO3 is obviously improved, high-purity SO3 (with the purity being 99.99 percent) can be obtained, and the sulfur acid impurities in the liquid SO3 can be reduced to a value lower than 0.01 percent.
Description
Technical field
The utility model relates to a kind of device with oleum production sulfan, a kind of industrial production device of sulfan.
Background technology
Sulphur trioxide normally uses oleum (to be called for short: nicotinic acid) make, with the nicotinic acid heating, evaporate the sulfur trioxide gas that to be dissolved in wherein, then condensation separation.The domestic production sulphur trioxide generally contains 1% sulfuric acid impurity at present, and purity is lower.
Summary of the invention
The utility model is intended to propose a kind of industrial production device of sulfan, can reduce the sulfuric acid content in the sulphur trioxide, improves the purity of sulphur trioxide.
The industrial production device of this sulfan comprises nicotinic acid tower, nicotinic acid pump groove, nicotinic acid water cooler, nicotinic acid intermediate heat exchanger, nicotinic acid vaporizer, sulphur trioxide condensing surface, sulfan storage tank and sulfan topping-up pump.The nicotinic acid outlet of nicotinic acid tower bottom links to each other with the nicotinic acid import of nicotinic acid pump groove; The nicotinic acid pump discharge of nicotinic acid pump groove is divided into three the tunnel, and wherein the first via links to each other with the nicotinic acid import of nicotinic acid water cooler, and the second the tunnel links to each other with 40% nicotinic acid import of nicotinic acid intermediate heat exchanger, and the nicotinic acid import of the little reflux tower on Third Road and the nicotinic acid vaporizer links to each other; The nicotinic acid outlet of nicotinic acid water cooler links to each other with the cloth acid device import of nicotinic acid top of tower; 40% nicotinic acid import of the shell side of the nicotinic acid boiler in the outlet of 40% nicotinic acid of nicotinic acid intermediate heat exchanger and the nicotinic acid vaporizer links to each other; The nicotinic acid riser of the shell side of the nicotinic acid boiler in the nicotinic acid vaporizer links to each other with 22% nicotinic acid import of nicotinic acid intermediate heat exchanger, and 22% nicotinic acid, first outlet of nicotinic acid intermediate heat exchanger links to each other with 22% nicotinic acid import of nicotinic acid pump groove; The outlet of the tube side of the nicotinic acid boiler in the nicotinic acid vaporizer links to each other with the gas approach of nicotinic acid tower side wall bottom, the SO at the little reflux tower top on the nicotinic acid vaporizer
3The SO of pneumatic outlet and sulphur trioxide condensing surface
3Gas feed links to each other; The SO of sulphur trioxide condensing surface
3Liquid exit links to each other with the import of sulfan storage tank, and the outlet of sulfan storage tank links to each other with the import of sulfan topping-up pump.
Introduce in the import with the tube side of the nicotinic acid boiler in the nicotinic acid vaporizer of high-temperature flue gas from the industrial production device of this sulfan of the hot and cold heat exchanger of sulphur-burning sulphuric acid plant; And feed 98.5% sulfuric acid in the sulfuric acid import of nicotinic acid pump groove, can produce liquid SO
3Thereby owing to adopted the nicotinic acid of higher concentration to reduce the nicotinic acid boiling point, at SO
3Adopt in the separation gas phase reducing temperature twice and demist technology; Greatly reduce the sulfuric acid content in the sulphur trioxide; Obviously improved the purity of sulphur trioxide, can obtain highly purified sulphur trioxide (purity 99.99%), the sulfuric acid impurity in the sulfan can be reduced to below 0.01%.
Description of drawings
Accompanying drawing is the structure iron of the industrial production device of this sulfan.
Embodiment
As shown in the figure, the industrial production device of this sulfan comprises nicotinic acid tower 1, nicotinic acid pump groove 2, nicotinic acid water cooler 3, nicotinic acid intermediate heat exchanger 4, nicotinic acid vaporizer 5, sulphur trioxide condensing surface 6, sulfan storage tank 7 and sulfan topping-up pump 8.The nicotinic acid of nicotinic acid tower bottom outlet 11 links to each other with the nicotinic acid import 21 of nicotinic acid pump groove; The nicotinic acid pump discharge 22 of nicotinic acid pump groove is divided into three the tunnel; Wherein the first via links to each other with the nicotinic acid import 31 of nicotinic acid water cooler; The second the tunnel links to each other with 40% nicotinic acid import 41 of nicotinic acid intermediate heat exchanger 4, and the nicotinic acid import 51 of the little reflux tower on Third Road and the nicotinic acid vaporizer 5 links to each other.The nicotinic acid outlet 32 of nicotinic acid water cooler links to each other with the cloth acid device import 12 of nicotinic acid top of tower; 40% nicotinic acid import 52 of the shell side of the nicotinic acid boiler in the outlet 42 of 40% nicotinic acid of nicotinic acid intermediate heat exchanger and the nicotinic acid vaporizer links to each other; The nicotinic acid riser 53 of the shell side of the nicotinic acid boiler in the nicotinic acid vaporizer links to each other with 22% nicotinic acid import 43 of nicotinic acid intermediate heat exchanger, and 22% nicotinic acid first outlet of nicotinic acid intermediate heat exchanger 44 links to each other with 22% nicotinic acid import 23 of nicotinic acid pump groove.The outlet 54 of the tube side of the nicotinic acid boiler in the nicotinic acid vaporizer links to each other with the gas approach 13 of nicotinic acid tower side wall bottom, the SO at the little reflux tower top on the nicotinic acid vaporizer
3The SO of pneumatic outlet 55 and sulphur trioxide condensing surface
3Gas feed 61 links to each other; The SO of sulphur trioxide condensing surface
3Liquid exit 62 links to each other with the import of sulfan storage tank 7, and 7 outlets of sulfan storage tank link to each other with the import of sulfan topping-up pump 8.
The production process of the industrial production device of this sulfan is following:
(A) will introduce from the import 56 of the tube side of the nicotinic acid boiler of high-temperature flue gas from nicotinic acid vaporizer 5 of the hot and cold heat exchanger of sulphur sulphuric acid plant, the heat of this high-temperature flue gas makes the SO in 40% nicotinic acid in the nicotinic acid boiler
3Evaporation, the SO that obtains
3Gas stream is through the little reflux tower on nicotinic acid vaporizer 5 tops, with the 40% nicotinic acid counter current contact that gets in the little reflux tower, delivers to sulphur trioxide condensing surface 6 after removing residual water-content and acid mist.SO
3Gas in the sulphur trioxide condensing surface by the soft water condensation.The sulfan that condensation obtains gets into sulphur trioxide storage tank 7, outside sulphur trioxide topping-up pump 8, supplies.
(B) after high-temperature flue gas is lowered the temperature in the tube side of nicotinic acid boiler, get into nicotinic acid tower 1 with spray following nicotinic acid adverse current crossing, part SO
3Gas is absorbed by nicotinic acid.Take advantage of surplus gas to go to the absorption tower of acid-making process from the outlet 14 of cat head.
(C) nicotinic acid in nicotinic acid tower 1 flows into nicotinic acid pump groove 2 from tower bottom, mixes to keep nicotinic acid concentration 40% with 98.1～98.5% string acid.Nicotinic acid pump in the nicotinic acid pump groove 2 is sent to 4 heating of nicotinic acid intermediate heat exchanger with a part of 40% nicotinic acid, gets into then in the shell side of the nicotinic acid boiler in the nicotinic acid vaporizer 5, carries out described evaporation SO of (A) step
3Gas.Turn back to again after another part 40% nicotinic acid in the nicotinic acid pump groove 2 cools off through nicotinic acid water cooler 3 in the cloth acid device at nicotinic acid tower 1 top, absorb SO
3Gas generates nicotinic acid.Also have sub-fraction 40% nicotinic acid to be sent to nicotinic acid vaporizer 5 medium and small reflux towers, to evaporating high-purity SO of
3Gas is lowered the temperature, and removes SO simultaneously
3Contained Determination of Trace Sulfur acid mist.98.5% sulfuric acid that the sulfuric acid import 24 of nicotinic acid pump groove 2 is introduced from public acid cooler, the concentration that is used for regulating the nicotinic acid in the nicotinic acid pump groove 2.
(D) 40% nicotinic acid in the shell side of the nicotinic acid boiler in the nicotinic acid vaporizer 5 is after evaporation, and acid is dense reduces to 22%, and nicotinic acid riser 53 outflows from the nicotinic acid boiler get into nicotinic acid intermediate heat exchanger 4, and 40% nicotinic acid is carried out preheating.22% nicotinic acid branches away one the tunnel from nicotinic acid intermediate heat exchanger 4 then, is sent to 22% nicotinic acid storage tank from second outlet 45 through 22% finished product nicotinic acid topping-up pump, and remaining 22% nicotinic acid returns nicotinic acid pump groove 2 by first outlet 44 of 22% nicotinic acid.
The industrial production device of this sulfan and the supporting use of the miscellaneous equipment of sulphur-burning sulphuric acid plant, HU is high, and the tail gas absorption that can circulate has reduced pollution.
The reference specification of each equipment in the industrial production device of this sulphur trioxide is following:
Nicotinic acid tower 1: self-control, internal diameter
housing 16MnR;
Nicotinic acid pump groove 2; Internal diameter
Nicotinic acid water cooler 3: heat interchanging area: 136m
2, Hsstelloy C-276 alloy;
Nicotinic acid intermediate heat exchanger 4: heat interchanging area 45m
2
Nicotinic acid vaporizer 5: heat interchanging area 361m
2
SO
3Condensing surface 6: shell and tube, heat interchanging area 145m
2
Liquid SO
3Storage tank 7 (every): volume 14.81m
3, main raw 16MnR, diameter 2000*10mm, length 5070mm.Aforesaid device can be supporting with 300,000 tons of/year sulfuric acid production plants.
Claims (1)
1. the industrial production device of a sulfan; Comprise nicotinic acid tower (1), nicotinic acid pump groove (2), nicotinic acid water cooler (3), nicotinic acid intermediate heat exchanger (4), nicotinic acid vaporizer (5), sulphur trioxide condensing surface (6), sulfan storage tank (7) and sulfan topping-up pump (8), it is characterized in that the nicotinic acid outlet (11) of described nicotinic acid tower (1) bottom links to each other with the nicotinic acid import (21) of nicotinic acid pump groove; The nicotinic acid pump discharge (22) of nicotinic acid pump groove is divided into three the tunnel; Wherein the first via links to each other with the nicotinic acid import (31) of nicotinic acid water cooler; The second the tunnel links to each other with 40% nicotinic acid import (41) of nicotinic acid intermediate heat exchanger (4), and the nicotinic acid import (51) of the little reflux tower on Third Road and the nicotinic acid vaporizer (5) links to each other; The nicotinic acid outlet (32) of nicotinic acid water cooler links to each other with the cloth acid device import (12) of nicotinic acid top of tower; 40% nicotinic acid import (52) of the shell side of the nicotinic acid boiler in 40% nicotinic acid of nicotinic acid intermediate heat exchanger outlet (42) and the nicotinic acid vaporizer links to each other; The nicotinic acid riser (53) of the shell side of the nicotinic acid boiler in the nicotinic acid vaporizer links to each other with 22% nicotinic acid import (43) of nicotinic acid intermediate heat exchanger, and 22% nicotinic acid, first outlet (44) of nicotinic acid intermediate heat exchanger links to each other with 22% nicotinic acid import (23) of nicotinic acid pump groove; The outlet (54) of the tube side of the nicotinic acid boiler in the nicotinic acid vaporizer links to each other with the gas approach (13) of nicotinic acid tower side wall bottom, the SO at the little reflux tower top on the nicotinic acid vaporizer
3The SO of pneumatic outlet (55) and sulphur trioxide condensing surface
3Gas feed (61) links to each other; The SO of sulphur trioxide condensing surface
3Liquid exit (62) links to each other with the import of sulfan storage tank (7), and (7) outlet of sulfan storage tank links to each other with the import of sulfan topping-up pump (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205594879U CN202369391U (en) | 2011-12-14 | 2011-12-14 | Industrialized production device for liquid sulfur trioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205594879U CN202369391U (en) | 2011-12-14 | 2011-12-14 | Industrialized production device for liquid sulfur trioxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202369391U true CN202369391U (en) | 2012-08-08 |
Family
ID=46593104
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205594879U Expired - Lifetime CN202369391U (en) | 2011-12-14 | 2011-12-14 | Industrialized production device for liquid sulfur trioxide |
Country Status (1)
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|---|---|
| CN (1) | CN202369391U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072954A (en) * | 2013-01-08 | 2013-05-01 | 刘立文 | Method for producing colourless sulphuric acid by utilizing calcium sulfate |
| CN108910835A (en) * | 2018-07-25 | 2018-11-30 | 安徽华尔泰化工股份有限公司 | A kind of sulfur trioxide stimulation job control optimization device |
| CN110155955A (en) * | 2019-04-01 | 2019-08-23 | 安阳市岷山有色金属有限责任公司 | A kind of production method for producing electronic-grade sulfuric acid using Flue Gas of Nonferrous Smelting |
| CN110655044A (en) * | 2019-11-01 | 2020-01-07 | 武汉青江化工黄冈有限公司 | Reagent sulfuric acid production device and process |
-
2011
- 2011-12-14 CN CN2011205594879U patent/CN202369391U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072954A (en) * | 2013-01-08 | 2013-05-01 | 刘立文 | Method for producing colourless sulphuric acid by utilizing calcium sulfate |
| CN103072954B (en) * | 2013-01-08 | 2016-04-27 | 刘立文 | A kind of method utilizing calcium sulfate to produce colourless sulfuric acid |
| CN108910835A (en) * | 2018-07-25 | 2018-11-30 | 安徽华尔泰化工股份有限公司 | A kind of sulfur trioxide stimulation job control optimization device |
| CN110155955A (en) * | 2019-04-01 | 2019-08-23 | 安阳市岷山有色金属有限责任公司 | A kind of production method for producing electronic-grade sulfuric acid using Flue Gas of Nonferrous Smelting |
| CN110155955B (en) * | 2019-04-01 | 2021-07-23 | 岷山环能高科股份公司 | Production method for preparing electronic-grade sulfuric acid by using non-ferrous smelting flue gas |
| CN110655044A (en) * | 2019-11-01 | 2020-01-07 | 武汉青江化工黄冈有限公司 | Reagent sulfuric acid production device and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191220 Address after: 314201 room 318, building 1, west of Washan Road, south of Zhongshan Road, Ganggang District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Jiafu New Material Technology Co., Ltd Address before: Jiaxing City, Zhejiang Province, Zhongshan road 314201 port Zhapu Economic Development Zone No. 999 Patentee before: Zhejiang Jiahua Energy Chemical Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
|
| CX01 | Expiry of patent term |