CN202369393U - Industrial production device for high-purity sulfuric acid - Google Patents
Industrial production device for high-purity sulfuric acid Download PDFInfo
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- CN202369393U CN202369393U CN2011205594972U CN201120559497U CN202369393U CN 202369393 U CN202369393 U CN 202369393U CN 2011205594972 U CN2011205594972 U CN 2011205594972U CN 201120559497 U CN201120559497 U CN 201120559497U CN 202369393 U CN202369393 U CN 202369393U
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- sulfuric acid
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Abstract
The utility model discloses an industrial production device for high-purity sulfuric acid. The industrial production device comprises a nicotinic acid generator (9), an AR (Analytical Reagent) sulfuric acid absorption tower (5), an AR sulfuric acid pump tank (6), an AR sulfuric acid circulating pump (4), a finished product acid pump tank (3), a finished product AR sulfuric acid pump (2) and a filter (1), wherein a sulfuric acid outlet (52) at the bottom of the AR sulfuric acid absorption tower is connected with a sulfuric acid inlet (61) of the AR sulfuric acid pump tank; and the connected pipeline is provided with a water adding port (64) for adding desalted water or super pure water. The industrial production device for the high-purity sulfuric acid can be applied to preparing the high-purity sulfur trioxide raw material gas from 40 percent nicotinic acid through evaporation, and the high-purity sulfur trioxide raw material gas is absorbed by using the super pure water or desalted water (or super pure sulfuric acid) to prepare the high-purity BV-IV or AR level sulfuric acid, so that large-scale industrial production can be realized; the conventional sulfuric acid and nicotinic acid production devices in the former process can be fully utilized, tail gas absorbed by the absorption tower is completely returned into an industrial acid production device, and the discharge capacity is reduced.
Description
Technical field
The utility model relates to the laboratory with BV-IV (electronic-grade) or AR (analytical pure) vitriolic suitability for industrialized production equipment, a kind of industrial production device of high-purity sulphuric acid.
Background technology
Need high-purity sulphuric acid in the industries such as electronics, battery, printing, electromechanics, pharmacy, the industrial sulphuric acid rectifier unit is generally adopted in the production of present domestic high-purity sulphuric acid, and the device material is had relatively high expectations, and receives the restriction of equipment, the energy, only is suitable for small-scale production.
Summary of the invention
The utility model is intended to propose a kind of industrial production device of high-purity sulphuric acid, can realize large-scale industrial production, and environmental pollution is less.
The industrial production device of this high-purity sulphuric acid comprises nicotinic acid producer, AR sulfuric acid absorption tower, AR sulfuric acid pump groove, AR sulfuric acid recycle pump, finished acid pump groove, finished product AR sulfuric acid pump and strainer.The SO of the reflux tower of nicotinic acid producer
3The SO of the lower sidewall of pneumatic outlet and AR sulfuric acid absorption tower
3The gas inlet links to each other; The sulfuric acid outlet of AR sulfuric acid absorption tower bottom links to each other with the sulfuric acid import of AR sulfuric acid pump groove; A filler that adds de-salted water or ultrapure water is arranged on the pipeline that sulfuric acid exports with the sulfuric acid import of AR sulfuric acid pump groove links to each other of AR sulfuric acid absorption tower; Sulfuric acid first outlet of AR sulfuric acid pump groove links to each other with AR sulfuric acid inlet of circulating pump, and AR sulfuric acid outlet of circulating pump links to each other with the acid trap inlet at the top of AR sulfuric acid absorption tower, and sulfuric acid second outlet of AR sulfuric acid pump groove links to each other with the sulfuric acid import of finished acid pump groove; The sulfuric acid outlet of finished acid pump groove links to each other with the import of finished product AR sulfuric acid pump, and finished product AR sulfuric acid pump outlet links to each other with the import of strainer.
The industrial production device of this high-purity sulphuric acid can evaporate preparation high purity sulphur trioxide unstripped gas from 40% nicotinic acid (nicotinic acid is the abbreviation of oleum); Absorb with ultrapure water or de-salted water (or ultra-pure sulfuric acid) again; Make high-purity BV-IV or AR level sulfuric acid, can realize large-scale industrial production, and the partial devices of leading portion industrial acids production technique capable of using; Tail gas after the absorption tower absorbs all returns the industrial acids production equipment, has reduced blowdown flow rate.
Description of drawings
Accompanying drawing 1 is the structure iron of the industrial production device of this high-purity sulphuric acid.
Embodiment
As shown in the figure, the industrial production device of this high-purity sulphuric acid comprises nicotinic acid producer 9, AR sulfuric acid absorption tower 5, AR sulfuric acid pump groove 6, AR sulfuric acid recycle pump 4, finished acid pump groove 3, finished product AR sulfuric acid pump 2 and strainer 1.The SO of the reflux tower 91 of nicotinic acid producer
3The SO of the lower sidewall of pneumatic outlet 92 and AR sulfuric acid absorption tower
3Gas inlet 51 links to each other, and the sulfuric acid outlet of AR sulfuric acid absorption tower bottom 52 links to each other with the sulfuric acid import 61 of AR sulfuric acid pump groove.A filler 64 that adds de-salted water or ultrapure water is arranged on the pipeline that sulfuric acid exports with the sulfuric acid import of AR sulfuric acid pump groove links to each other of AR sulfuric acid absorption tower.Sulfuric acid first outlet 62 of AR sulfuric acid pump groove links to each other with the import of AR sulfuric acid recycle pump 4, and AR sulfuric acid outlet of circulating pump and the acid trap at the top of AR sulfuric acid absorption tower enter the mouth and 53 link to each other.Sulfuric acid second outlet 63 of AR sulfuric acid pump groove links to each other with the sulfuric acid import 31 of finished acid pump groove, and the sulfuric acid of finished acid pump groove exports 32 and links to each other with the import of finished product AR sulfuric acid pump 2, and finished product AR sulfuric acid pump outlet links to each other with the import of strainer 1.
The working process of the industrial production device of this high-purity sulphuric acid is following:
A, the SO that steams after the heating will be sent in the nicotinic acid inlet 93 of nicotinic acid producer 9 from 40% nicotinic acid of the nicotinic acid circulation groove in the 98% industrial sulphuric acid production unit
3Gas gets into AR sulfuric acid absorption tower 5, and the high-temperature flue gas that the heated air of using in the nicotinic acid producer adopts the cool-heat-exchanger in the production of 98% industrial sulphuric acid to produce, this high-temperature flue gas send back to the nicotinic acid tower of producing nicotinic acid after carrying out heat exchange through nicotinic acid producer; 40% nicotinic acid evaporates SO
3Residue nicotinic acid behind the gas comes out to be sent to 22% nicotinic acid production equipment through riser 94.
B, SO
3Gas is from the SO of the bottom of the sidewall of AR sulfuric acid absorption tower 5
3 Gas inlet 51 gets in the tower, carries out the exchange of adverse current gas-liquid two-phase mass transfer with recycle acid at filling surface, and circulation absorbs acid concentration is increased, and flows automatically to AR sulfuric acid pump groove 6, remaining SO through the outlet of the sulfuric acid at the bottom of the tower 52
3Tail gas is drawn from cat head and is sent to the industrial sulphuric acid production equipment.
C, 64 add de-salted water or ultrapure waters from the filler; Control Circulation absorbs acid concentration 98.5%; Sulfuric acid gets in the AR sulfuric acid pump groove 6; The heat that produces in the absorption is taken away by the water coolant of the AR sulfuric acid cooler in the AR sulfuric acid pump groove, and the acid trap that an acid part of coming out from AR sulfuric acid pump groove is got to AR sulfuric acid absorption top of tower through AR sulfuric acid recycle pump 4 absorbs SO as recycle acid
3Flue gas, another part acid gets into finished acid pump groove 3.98.5% sulfuric acid from public acid cooler shown in the figure is the sour usefulness of string, is used for keeping the acid concentration of AR sulfuric acid pump groove, makes it be stabilized in 98.5%.
The acid that AR sulfuric acid cooler in d, the finished acid pump groove 3 will get into is cooled off, and gets to strainer 1 by finished product AR sulfuric acid pump 2 then, becomes finished product after the filtration, delivers to the finished product tank field.
AR sulfuric acid recycle pump 4 respectively has two with finished product AR sulfuric acid pump 2 among the figure, uses by turns.Strainer 1 has totally three of secondarys, and prime is two, also uses by turns.The filter bag of strainer the inside can regularly replace.
As shown in the figure, the industrial production device of this high-purity sulphuric acid can also comprise SO
3Condensing surface 7 and sulfan storage tank 8.The SO of the reflux tower 91 on the nicotinic acid producer 9
3 Pneumatic outlet 92 is gone back and SO
3The SO of condensing surface
3Gas feed 71 links to each other SO
3The liquid SO of condensing surface
3Outlet 72 links to each other with the import of sulfan storage tank 8.Such device, the SO that can nicotinic acid producer 9 be steamed
3Gas is divided into two-way, and one the tunnel gets into AR sulfuric acid absorption tower 5, and another road gets into SO
3Condensing surface 7 is condensed into liquid SO
3, SO
3Condensation employing and de-salted water carry out the indirect heat exchange condensation, through regulating temperature that cooling controls de-salted water with the quantity of circulating water of de-salted water at 38～40 ℃, with assurance SO
3Can crystallization, the liquid SO that is condensed into
3Get into sulfan storage tank 8.Use liquid SO again
3Topping-up pump 10 outer confessions.Both can obtain liquid SO
3Product also can make the production of high-purity sulphuric acid more flexible.
The industrial production device of this high-purity sulphuric acid can adopt the equipment of following specification:
Finished acid pump groove 3:1950*800*1500, material: carbon steel;
AR acid absorption column 5: volume 22m
3, diameter 2016*8mm, height 7780mm, main raw is steel lining F40;
AR sulfuric acid pump groove 6: be a, b, three sulculus cascaded structures of c, specification is respectively 1300*1300*1500,2500*1400*1500,2500*1400*1500, material: carbon steel;
SO3 condensing surface 7: shell and tube, heat interchanging area 145m
2
Liquid SO3 storage tank 8: volume 14.81m
3, diameter 2000*10mm, length 5070mm, main raw are 16MnR;
Nicotinic acid producer 9: heat interchanging area: 361m
2, the heat transfer tube specification: Φ 63*3.5*10530/184, material: 304L,
Cylindrical shell: Φ 1900*12, equipment length overall: 15010mm;
Strainer: adopt the nano level strainer filtering.
The throughput of aforesaid device is 1.5 ten thousand tons of/year BV-IV levels or 20,000 tons of/year AR level sulfuric acid.
Claims (2)
1. the industrial production device of a high-purity sulphuric acid; Comprise nicotinic acid producer (9), AR sulfuric acid absorption tower (5), AR sulfuric acid pump groove (6), AR sulfuric acid recycle pump (4), finished acid pump groove (3), finished product AR sulfuric acid pump (2) and strainer (1), it is characterized in that the SO of the reflux tower (91) of nicotinic acid producer
3The SO of the lower sidewall of pneumatic outlet (92) and AR sulfuric acid absorption tower
3Gas inlet (51) links to each other; The sulfuric acid outlet (52) of AR sulfuric acid absorption tower bottom links to each other with the sulfuric acid import (61) of AR sulfuric acid pump groove; The filler (64) that an adding de-salted water or ultrapure water are arranged on the sulfuric acid of AR sulfuric acid absorption tower outlet (52) and pipeline that the sulfuric acid import (61) of AR sulfuric acid pump groove links to each other; Sulfuric acid first outlet (62) of AR sulfuric acid pump groove links to each other with the import of AR sulfuric acid recycle pump (4); AR sulfuric acid outlet of circulating pump links to each other with the acid trap inlet (53) at the top of AR sulfuric acid absorption tower; Sulfuric acid second outlet (63) of AR sulfuric acid pump groove links to each other with the sulfuric acid import (31) of finished acid pump groove, and the sulfuric acid outlet (32) of finished acid pump groove links to each other with the import of finished product AR sulfuric acid pump (2), and finished product AR sulfuric acid pump outlet links to each other with the import of strainer (1).
2. the industrial production device of high-purity sulphuric acid as claimed in claim 1 is characterized in that this equipment also comprises SO
3Condensing surface (7) and sulfan storage tank (8), the SO of the reflux tower of described nicotinic acid producer (9)
3Pneumatic outlet (92) is gone back and SO
3The SO of condensing surface
3Gas feed (71) links to each other, SO
3The liquid SO of condensing surface
3The import of outlet (72) and sulfan storage tank (8) links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205594972U CN202369393U (en) | 2011-12-14 | 2011-12-14 | Industrial production device for high-purity sulfuric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205594972U CN202369393U (en) | 2011-12-14 | 2011-12-14 | Industrial production device for high-purity sulfuric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202369393U true CN202369393U (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205594972U Expired - Lifetime CN202369393U (en) | 2011-12-14 | 2011-12-14 | Industrial production device for high-purity sulfuric acid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826516A (en) * | 2012-10-04 | 2012-12-19 | 上海会博新材料科技有限公司 | Production device for preparing high-purity sulfuric acid solvent for spinning of p-aramid fiber |
| CN103787280A (en) * | 2012-11-01 | 2014-05-14 | 天津渤大硫酸工业有限公司 | Refined sulfuric acid production system |
-
2011
- 2011-12-14 CN CN2011205594972U patent/CN202369393U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826516A (en) * | 2012-10-04 | 2012-12-19 | 上海会博新材料科技有限公司 | Production device for preparing high-purity sulfuric acid solvent for spinning of p-aramid fiber |
| CN102826516B (en) * | 2012-10-04 | 2014-03-26 | 上海会博新材料科技有限公司 | Production device for preparing high-purity sulfuric acid solvent for spinning of p-aramid fiber |
| CN103787280A (en) * | 2012-11-01 | 2014-05-14 | 天津渤大硫酸工业有限公司 | Refined sulfuric acid production system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191231 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. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
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| CX01 | Expiry of patent term |