CN202265409U - Sulfur dioxide production system capable of controlling temperature of furnace gas - Google Patents
Sulfur dioxide production system capable of controlling temperature of furnace gas Download PDFInfo
- Publication number
- CN202265409U CN202265409U CN2011203892106U CN201120389210U CN202265409U CN 202265409 U CN202265409 U CN 202265409U CN 2011203892106 U CN2011203892106 U CN 2011203892106U CN 201120389210 U CN201120389210 U CN 201120389210U CN 202265409 U CN202265409 U CN 202265409U
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- CN
- China
- Prior art keywords
- furnace gas
- sulfur
- sulfur dioxide
- type furnace
- thermostatted
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a production system and a method for producing liquid sulfur dioxide by 'sulfur-oxygen burning' in the fields of metallurgy and chemical industry, in particular to a sulfur dioxide production system capable of controlling temperature of furnace gas, which solves the problem that a condensing and purifying system is easy to be blocked by sulfur steam in sulfur dioxide furnace gas during production of liquid sulfur dioxide by 'sulfur-oxygen burning'. The technical scheme of sulfur dioxide production system capable of controlling the temperature of furnace gas includes that a sulfur furnace gas temperature controlling device is additionally mounted between a waste heat utilization boiler and the condensing and purifying system and is a secondary jacket type furnace gas thermostat. Sulfur dioxide flue gas from the tail of a sulfur burning furnace is input into an inlet of a primary jacket type furnace gas thermostat, steam or condensate water or hot water is led into jackets from jacket inlets of the primary jacket type furnace gas thermostat and the secondary jacket type furnace gas thermostat, the furnace gas temperature at an outlet of the secondary jacket type furnace gas thermostat is kept within the range from 120 DEG C to 140 DEG C, and sulfur steam is turned into liquid sulfur which flows back to the sulfur burning furnace under the action of gravity. Smooth continuous production of the sulfur dioxide production system is realized, production efficiency is improved and purity of flue gas is increased.
Description
Technical field
The utility model relates to metallurgy, chemical industry are produced sulfur dioxide liquid with " sulphur-oxygen combustion " production process; Particularly produce in the sulfur dioxide liquid production process a kind of sulphur dioxide production system that controls furnace gas temperature with pure oxygen and sulfur burning.
Background technology
Produce in the sulfurous gas process utilizing pure oxygen burning sulphur technology; The high temperature sulfurous gas furnace gas that comes out from sulfur furnace has a large amount of sulphur steam; These sulphur stream trace high-temperature furnace gas get into follow-up condensation cleaning system; When furnace gas temperature in the system was lower than 120 ℃, the sulphur steam in the furnace gas in system, was prone to cause technology accidents such as the condensation cleaning system is not smooth, obstruction with cooled and solidified.Condensation cleaning of the prior art system mainly is made up of two portions: water recirculator and iron filings tower strainer.With the water recirculator that the sulfur furnace exit links to each other, be mainly used in and reduce the sulfur dioxide flue gas temperature; The follow-up iron filings tower strainer of water recirculator is used for filtering the sulphur steam of flue gas.Because former condensation cleaning system can only pass through water of condensation, the reduction furnace gas temperature can not remain on the temperature of purification system between 120 ℃～140 ℃; So be prone to cause sulphur steam to solidify, be jammed in the iron filings tower; Cleaning will stop production a basic week once, and production can not be continuous, and efficient is lower.
The utility model content
The purpose of the utility model is exactly to produce in the process of sulfur dioxide liquid in order to solve " sulphur-oxygen combustion " method; Sulphur steam in the sulfurous gas furnace gas is prone to stop up the problem of condensation cleaning system, and a kind of sulphur dioxide production system of the control furnace gas temperature that installs simply, is easy to realize is provided.
The purpose of the utility model realizes through following technical scheme:
A kind of sulphur dioxide production system that controls furnace gas temperature; Comprise sulfur furnace, UTILIZATION OF VESIDUAL HEAT IN boiler, condensation cleaning system; It is characterized in that: add sulfurous gas furnace gas temperature gear between UTILIZATION OF VESIDUAL HEAT IN boiler and the condensation cleaning system, this device is a secondary jacketed type furnace gas thermostatted; The inlet of first step jacketed type furnace gas thermostatted is connected with the UTILIZATION OF VESIDUAL HEAT IN boiler, and the inlet of first step jacketed type furnace gas thermostatted also communicates with sulfur furnace; Connect through importing and exporting flange between first, second grade furnace gas thermostatted, furnace gas thermostatted outlet in the second stage is joined with the condensation cleaning system.
Jacketed type furnace gas thermostatted is bought through commercial sources.
The utility model has installed secondary jacketed type furnace gas thermostatted additional as sulfurous gas furnace gas temperature gear between UTILIZATION OF VESIDUAL HEAT IN boiler and condensation cleaning system on original sulphur dioxide production line, this apparatus structure is simple.The method of utilizing the utility model to provide can effectively prevent the sulphur steam subsequent condensation purification system of entering in a large number, the unimpeded production of realization system, and serialization production, and then enhance productivity; Realize the recycle of raw material sulphur, reduce the content of impurity in the flue gas simultaneously, improved flue gas purity.
Description of drawings
Fig. 1 controls the sulphur dioxide production system flowchart of furnace gas temperature,
Fig. 2 is a secondary jacketed type furnace gas thermostat structure synoptic diagram,
Fig. 3 is a jacketed type furnace gas thermostatted sectional view.(I and II furnace gas thermostat structure is identical)
Among the figure: 1-sulfur furnace, 2-UTILIZATION OF VESIDUAL HEAT IN boiler, 3-condensation cleaning system, 4-compression cooling system, 5-sulfurous gas furnace gas temperature gear; 6-first step jacketed type furnace gas thermostatted, 601-import, the import of 602-chuck, 603-chuck, 604-tubulation; 605-overhead gage, 606-lower baffle plate, 607-JO, 608-furnace gas export, 7-second stage jacketed type furnace gas thermostatted; 701-import, the import of 702-chuck, 703-chuck, 704-tubulation, 705-overhead gage; 706-lower baffle plate, 707-JO, 708-furnace gas export, 8-import and export flange.
Embodiment
As shown in Figure 1: a kind of sulphur dioxide production system that controls furnace gas temperature; Comprise sulfur furnace 1; UTILIZATION OF VESIDUAL HEAT IN boiler 2, condensation cleaning system 3, compression cooling system 4; What compression cooling system 4 was produced is end product sulfurous gas, between UTILIZATION OF VESIDUAL HEAT IN boiler 2 and condensation cleaning system 3, adds sulfurous gas furnace gas temperature gear 5; This device 5 is secondary jacketed type furnace gas thermostatteds; The import 601 of first step jacketed type furnace gas thermostatted 6 is connected with UTILIZATION OF VESIDUAL HEAT IN boiler 2, and the import 601 of first step jacketed type furnace gas thermostatted 6 is also joined with sulfur furnace 1; Referring to Fig. 2 and Fig. 3: is connected through importing and exporting flange 8 between first step furnace gas thermostatted 6 and the second stage jacketed type furnace gas thermostatted 7, the furnace gas export 708 and the condensation cleaning system 4 of second stage jacketed type furnace gas thermostatted 7 join.
Jacketed type furnace gas thermostatted is bought through commercial sources and is obtained.As shown in Figure 3: with first step jacketed type furnace gas thermostatted is example, and it mainly leads to the tubulation 604 of furnace gas by chuck that leads to the temperature control medium 603 and inside and fixedly the overhead gage 605 and the lower baffle plate 606 of tubulation are formed.The tubulation of 40mm is fixed in up and down between two d=1400mm baffle plates, forms gas passage, connects through importing and exporting flange 8 between first, second grade jacketed type furnace gas thermostatted.Second stage jacketed type furnace gas thermostatted is identical with the structure of first step jacketed type furnace gas thermostatted, no longer is repeated in this description.
Second stage jacketed type furnace gas thermostatted is identical with the principle of work process of first step jacketed type furnace gas thermostatted; During work, from the sulfur dioxide flue gas of sulfur furnace afterbody, through the UTILIZATION OF VESIDUAL HEAT IN boiler; UTILIZATION OF VESIDUAL HEAT IN reduces after the flue-gas temperature, in the import 601 entering first step jacketed type furnace gas thermostatteds 6 of first step jacketed type furnace gas thermostatted; Under pressure; Flue gas is through tubulation 604, comes out from the furnace gas export 608 of first step jacketed type furnace gas thermostatted, gets into the import of second stage jacketed type furnace gas thermostatted.
The temperature controlled processes of flue gas in first step jacketed type furnace gas thermostatted is through temperature control media such as logical water of condensation, hot water, steam in chuck import 602; Through heat exchange; Heat is delivered to be realized on the inner tubulation of thermostatted; Temperature control medium after the heat exchange flows out from JO 607, and under action of gravity, contrary flue gas direction is back in the sulfur furnace from the import 601 of secondary jacketed type furnace gas thermostatted the Molten sulphur in the flue gas along tubulation 604 simultaneously.
The utility model will be from the sulfur dioxide flue gas of sulfur furnace afterbody; Through the UTILIZATION OF VESIDUAL HEAT IN boiler; UTILIZATION OF VESIDUAL HEAT IN reduces after the flue-gas temperature, the import 601 of input first step jacketed type furnace gas thermostatted; Temperature according to sulfur dioxide flue gas; Chuck import 602 and 702 through first, second grade jacketed type furnace gas thermostatted feeds steam or water of condensation or hot water in chuck, the furnace gas temperature of second stage jacketed type furnace gas thermostatted outlet is remained between 120 ℃～140 ℃, and recirculated water is discharged from the first shell type furnace gas thermostatted JO 607 and second stage jacketed type furnace gas thermostatted JO 707 respectively; Under action of gravity, flow out and be back in the sulfur furnace by the import 601 against the flue gas direction from first step jacketed type furnace gas thermostatted along tubulation 604 and 704 for Molten sulphur in the flue gas simultaneously.Realize the recycle of raw material sulphur, reduce the content of impurity in the flue gas simultaneously, improved flue gas purity.
Claims (1)
1. sulphur dioxide production system that controls furnace gas temperature; Comprise sulfur furnace, UTILIZATION OF VESIDUAL HEAT IN boiler, condensation cleaning system; It is characterized in that: add sulfurous gas furnace gas temperature gear between UTILIZATION OF VESIDUAL HEAT IN boiler and the condensation cleaning system, this device is a secondary jacketed type furnace gas thermostatted; The inlet of first step jacketed type furnace gas thermostatted is connected with the UTILIZATION OF VESIDUAL HEAT IN boiler, and the inlet of first step jacketed type furnace gas thermostatted also joins with sulfur furnace; Connect through importing and exporting flange between first, second grade jacketed type furnace gas thermostatted, jacketed type furnace gas thermostatted outlet in the second stage is joined with the condensation cleaning system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203892106U CN202265409U (en) | 2011-10-13 | 2011-10-13 | Sulfur dioxide production system capable of controlling temperature of furnace gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203892106U CN202265409U (en) | 2011-10-13 | 2011-10-13 | Sulfur dioxide production system capable of controlling temperature of furnace gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202265409U true CN202265409U (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203892106U Withdrawn - After Issue CN202265409U (en) | 2011-10-13 | 2011-10-13 | Sulfur dioxide production system capable of controlling temperature of furnace gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202265409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328916A (en) * | 2011-10-13 | 2012-01-25 | 金川集团有限公司 | Sulfur dioxide production system controlling furnace gas temperature and furnace gas temperature control method |
-
2011
- 2011-10-13 CN CN2011203892106U patent/CN202265409U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328916A (en) * | 2011-10-13 | 2012-01-25 | 金川集团有限公司 | Sulfur dioxide production system controlling furnace gas temperature and furnace gas temperature control method |
| CN102328916B (en) * | 2011-10-13 | 2013-10-23 | 金川集团有限公司 | Sulfur dioxide production system controlling furnace gas temperature and furnace gas temperature control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120606 Effective date of abandoning: 20131023 |
|
| RGAV | Abandon patent right to avoid regrant |