CN220149229U - Sulfur production combustion furnace of sulfur recovery Claus reaction system capable of burning waste acid - Google Patents
Sulfur production combustion furnace of sulfur recovery Claus reaction system capable of burning waste acid Download PDFInfo
- Publication number
- CN220149229U CN220149229U CN202323005761.XU CN202323005761U CN220149229U CN 220149229 U CN220149229 U CN 220149229U CN 202323005761 U CN202323005761 U CN 202323005761U CN 220149229 U CN220149229 U CN 220149229U
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- CN
- China
- Prior art keywords
- sulfur
- acid
- combustion furnace
- waste acid
- making
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002253 acid Substances 0.000 title claims abstract description 87
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 58
- 239000011593 sulfur Substances 0.000 title claims abstract description 58
- 239000002699 waste material Substances 0.000 title claims abstract description 54
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 46
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title description 2
- 238000009826 distribution Methods 0.000 claims description 7
- 239000011449 brick Substances 0.000 claims description 6
- 238000010285 flame spraying Methods 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 34
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 20
- 239000002918 waste heat Substances 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 13
- 239000000428 dust Substances 0.000 abstract description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 230000029936 alkylation Effects 0.000 description 4
- 238000005804 alkylation reaction Methods 0.000 description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000010849 combustible waste Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Treating Waste Gases (AREA)
Abstract
A sulfur-making combustion furnace capable of burning waste acid and recycling sulfur of a Claus reaction system belongs to the technical field of combustion furnaces. The waste acid nozzle is arranged on the combustion furnace main body, the input port of the waste acid nozzle extends into the furnace chamber of the combustion furnace main body, the tail gas outlet of the combustion furnace main body is communicated with the input port of the sulfur-making waste heat boiler, the input port of the filter is communicated with the output port of the sulfur-making waste heat boiler, and the output port of the filter is connected with the Claus sulfur recovery device. The alkylated waste acid is sprayed into the furnace chamber of the combustion furnace main body through the waste acid nozzle, and thermally cracked into sulfur dioxide, the sulfur dioxide reacts with hydrogen sulfide in the acid gas to generate process gas containing gaseous sulfur, and then the process gas enters a sulfur-making waste heat boiler to recover heat, and enters a downstream Claus sulfur recovery device after ash removal and dust removal through a filter, the alkylated waste acid is introduced into the sulfur-making combustion furnace of the sulfur recovery device to treat, so that sulfur resources are recovered, the waste acid can be completely atomized, the full cracking can be ensured, and the normal operation of the sulfur recovery device cannot be influenced.
Description
Technical Field
A sulfur-making combustion furnace capable of burning waste acid and recycling sulfur of a Claus reaction system belongs to the technical field of combustion furnaces.
Background
At present, an alkylation waste acid regeneration device is generally adopted to treat waste acid, and the alkylation waste acid regeneration device is mainly divided into a dry process and a wet process. Both processes are used for treating waste acid, an incinerator is used for decomposing the waste acid into sulfur dioxide at high temperature, organic matters in the waste sulfuric acid are converted into carbon dioxide and water, the generated sulfur dioxide reacts with oxygen in a reactor to generate sulfur trioxide, and the sulfur trioxide is combined with the water under proper conditions to generate sulfuric acid.
When the alkylation waste acid device is used for treating waste acid, the alkylation waste acid device has the defects of long technological process, large construction investment, high operation cost and energy consumption and complicated daily operation and maintenance.
Disclosure of Invention
The utility model aims to solve the technical problems that: overcomes the defects of the prior art, provides a sulfur-making combustion furnace of a sulfur recovery Claus reaction system capable of burning waste acid, can treat alkylated waste acid, and realizes the purpose that a sulfur recovery device can be used for treating alkylated waste acid and simultaneously ensures the quality of sulfur products.
The technical scheme adopted for solving the technical problems is as follows: the sulfur-making combustion furnace of the sulfur recovery Claus reaction system capable of burning waste acid comprises a combustion furnace main body, a sulfur-making waste heat boiler and a filter which are sequentially connected, wherein a waste acid nozzle is arranged on the combustion furnace main body, an input port of the waste acid nozzle extends into a furnace chamber of the combustion furnace main body, a tail gas outlet of the combustion furnace main body is communicated with an input port of the sulfur-making waste heat boiler, an input port of the filter is communicated with an output port of the sulfur-making waste heat boiler, and an output port of the filter is connected with a Claus sulfur recovery device.
Preferably, the waste acid nozzle is arranged at one side of a flame spraying opening of a burner of the combustion furnace main body.
Preferably, an acid-resistant lining is arranged on the inner wall of the furnace chamber of the combustion furnace main body, a retaining wall is further arranged in the furnace chamber, and the waste acid nozzle is arranged between the retaining wall and the burner.
Preferably, the retaining wall is provided with at least two retaining walls at intervals along the furnace chamber.
Preferably, refractory bricks are arranged on the inner wall of the furnace chamber, and the acid-resistant lining is arranged on the inner side of the refractory bricks.
Preferably, the burner of the combustion furnace main body is provided with a sulfur-making acid gas inlet and a gas distribution inlet.
Compared with the prior art, the utility model has the following beneficial effects:
the sulfuric acid gas and air distribution of the sulfur-making combustion furnace of the sulfur recovery Claus reaction system of the combustible waste acid enter the combustion furnace main body, and the acid gas is combusted to generate process gas containing gaseous sulfur; the alkylated waste acid is sprayed into the furnace chamber of the combustion furnace main body through the waste acid nozzle and thermally cracked into sulfur dioxide, the sulfur dioxide reacts with hydrogen sulfide in the acid gas to generate process gas containing gaseous sulfur, then the process gas enters a sulfur-making waste heat boiler to recover heat, the heat enters a downstream Claus sulfur recovery device after ash and dust are removed through a filter, the alkylated waste acid is introduced into the sulfur-making combustion furnace of the sulfur recovery device to be treated, sulfur resources are recovered, the waste acid can be completely atomized and fully cracked, and the normal operation of the sulfur recovery device is not influenced.
Drawings
FIG. 1 is a schematic diagram of the sulfur-producing burner of a sulfur recovery Claus reaction system for spent acid burnable;
FIG. 2 is a schematic front sectional view of a spent acid nozzle.
In the figure: 1. a burner; 2. a waste acid nozzle; 201. a nozzle body; 202. an input tube; 203. an ejection port; 204. a valve stem; 205. a sealing part; 206. an annular table; 207. a seal spring; 208. a support sleeve; 209. a transparent cover; 210. the nozzle body is turned outwards; 211. the mounting cylinder is turned outwards; 212. a mounting cylinder; 3. an acid resistant liner; 4. a retaining wall; 5. a sulfur-making waste heat boiler; 6. and (3) a filter.
Detailed Description
The present utility model will be further described with reference to specific embodiments, however, it will be appreciated by those skilled in the art that the detailed description herein with reference to the accompanying drawings is for better illustration, and that the utility model is not necessarily limited to such embodiments, but rather is intended to cover various equivalent alternatives or modifications, as may be readily apparent to those skilled in the art.
Fig. 1-2 are diagrams illustrating a preferred embodiment of the present utility model, and the present utility model is further described with reference to fig. 1-2.
The sulfur-making combustion furnace of the sulfur recovery Claus reaction system capable of burning waste acid comprises a combustion furnace main body, a sulfur-making waste heat boiler 5 and a filter 6 which are sequentially connected, wherein the combustion furnace main body is provided with a waste acid nozzle 2, an input port of the waste acid nozzle 2 extends into a furnace chamber of the combustion furnace main body, a tail gas outlet of the combustion furnace main body is communicated with an input port of the sulfur-making waste heat boiler 5, an input port of the filter 6 is communicated with an output port of the sulfur-making waste heat boiler 5, and an output port of the filter 6 is connected with a Claus sulfur recovery device. The sulfuric acid gas and air distribution of the sulfur-making combustion furnace of the sulfur recovery Claus reaction system of the combustible waste acid enter the combustion furnace main body, and the acid gas is combusted to generate process gas containing gaseous sulfur; the alkylated waste acid is sprayed into the furnace chamber of the combustion furnace main body through the waste acid nozzle 2 and thermally cracked into sulfur dioxide, the sulfur dioxide reacts with hydrogen sulfide in the acid gas to generate process gas containing gaseous sulfur, then the process gas enters the sulfur-making waste heat boiler 5 to recover heat, the heat is subjected to ash removal and dust removal through the filter 6 and then enters the downstream Claus sulfur recovery device, the alkylated waste acid is introduced into the sulfur-making combustion furnace of the sulfur recovery device to be treated, sulfur resources are recovered, the waste acid can be completely atomized, the full cracking can be ensured, and the normal operation of the sulfur recovery device cannot be influenced.
Specific: as shown in fig. 1-2, a sulfur acid gas making inlet and a gas distribution inlet are arranged on a combustor 1 of the combustion furnace main body, and sulfur acid gas making and gas distribution are respectively conveyed into the combustor 1. The inner wall of the combustion furnace main body is provided with refractory and acid-resistant refractory bricks, and the inner wall of the refractory bricks is provided with an acid-resistant lining 3 so as to enhance the acid resistance and the fire resistance of the combustion furnace main body and prolong the service life of the combustion furnace main body.
The retaining wall 4 is arranged on the inner wall of the furnace chamber of the combustion furnace main body, the retaining wall 4 is arranged around the combustion furnace main body, at least two retaining walls 4 are arranged along the inner wall of the furnace chamber, and in the embodiment, the retaining wall 4 is arranged two along the inner wall of the furnace chamber so as to block gas and prolong the combustion time of waste acid in the furnace chamber.
The ejection outlet 203 of the waste acid nozzle 2 extends into the furnace chamber, the ejection outlet 203 of the waste acid nozzle 2 is arranged between the burner 1 and the retaining wall 4, and the waste acid nozzle 2 is arranged opposite to the flame spraying opening of the burner 1 so as to burn the waste acid.
The tail gas outlet of the combustion furnace main body is communicated with the input port of the sulfur making waste heat boiler 5, the output port of the sulfur making waste heat boiler 5 is communicated with the input port of the filter 6, the sulfur making waste heat boiler 5 is used for recovering waste heat of tail gas, the filter 6 is a high-temperature filter, and the tail gas can be filtered to realize ash removal and dust removal of the tail gas. The output port of the filter 6 is communicated with the input port of the Claus sulfur recovery device.
During operation, sulfur-making acid gas and air distribution enter a combustor 1, and the acid gas is combusted to generate process gas containing gaseous sulfur; the alkylated waste acid enters a waste acid nozzle 2 and is thermally cracked into sulfur dioxide in the main body of the combustion furnace, and the sulfur dioxide reacts with hydrogen sulfide in the acid gas to generate process gas containing gaseous sulfur. Then the waste heat enters a sulfur-making waste heat boiler 5 to recycle heat, and then enters a Claus sulfur recycling device after ash and dust are removed by a filter 6.
The waste acid nozzle 2 includes a nozzle body 201, a mounting cylinder 212, a valve stem 204, and a seal spring 207.
The nozzle body 201 is a vertically arranged cylinder, the diameter of the bottom of the nozzle body 201 gradually decreases from top to bottom, and the ejection orifice 203 is formed at the bottom of the nozzle body 201. A nozzle body cuff 210 is provided around the top outer wall of the nozzle body 201. The side of the nozzle body 201 is connected with an input pipe 202, and an output end of the input pipe 202 communicates with the nozzle body 201 to spray the waste acid into the cavity through a spray outlet 203.
The mounting cylinder 212 is coaxially arranged on the upper side of the nozzle main body 201, the bottom of the mounting cylinder 212 is closed, a mounting cylinder flanging 211 is arranged around the bottom of the mounting cylinder 212, and a permeable cover 209 is detachably arranged on the top of the mounting cylinder 212. The mounting cylinder flange 211 is attached to the nozzle body flange 210, and the mounting cylinder flange 211 is detachably connected with the nozzle body flange 210 through bolts, so that the top of the nozzle body 201 is closed.
The valve rod 204 is a round rod vertically arranged, an outwards convex annular table 206 is arranged around the middle of the valve rod 204, the bottom of the valve rod 204 slidably penetrates through the closed end of the mounting cylinder 212 and stretches into the nozzle main body 201, a hemispherical sealing part 205 outwards convex in the middle is arranged at the bottom end of the valve rod 204, the valve rod 204 and the closed end of the mounting cylinder 212 are in sealing arrangement, and the annular table 206 is located in the mounting cylinder 212. The upper end of the valve stem 204 slidably passes through the through-cap 209 and protrudes upward.
The sealing spring 207 is positioned in the mounting cylinder 212, the sealing spring 207 is sleeved outside the valve rod 204, the sealing spring 207 is in a compressed state, the lower end of the sealing spring 207 is supported on the annular table 206, the upper end of the sealing spring 207 is supported on the transparent cover 209, and the valve rod 204 is pushed to move downwards through the annular table 206, so that the sealing part 205 seals the ejection port 203.
A handle is mounted on the upper end of the valve rod 204 to facilitate upward lifting of the valve rod 204, a supporting sleeve 208 is connected to the upper portion of the valve rod 204 through threads, and the supporting sleeve 208 is located on the upper side of the transparent cover 209. The valve rod 204 can be kept at a stable position through the support sleeve 208, so that the sealing part 205 releases the sealing state of the ejection port 203, and the distance between the sealing part 205 and the ejection port 203 can be adjusted by adjusting the position of the support sleeve 208 on the valve rod 204, so that the speed of the ejection of waste acid can be adjusted.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims (6)
1. The sulfur-making combustion furnace of the sulfur recovery Claus reaction system capable of burning waste acid is characterized in that: including burning furnace main part, sulfur making exhaust-heat boiler (5) and filter (6), be provided with waste acid nozzle (2) in the burning furnace main part, in the furnace chamber of burning furnace main part is stretched to the input port of waste acid nozzle (2), the tail gas export of burning furnace main part and sulfur making exhaust-heat boiler (5) input port intercommunication, the output port intercommunication of filter (6) and sulfur making exhaust-heat boiler (5), the output port connection claus sulphur recovery unit of filter (6).
2. The sulfur-producing burner of a sulfur recovery Claus reaction system for spent acid burnable acid of claim 1, wherein: the waste acid nozzle (2) is arranged at one side of a flame spraying opening of a burner (1) of the combustion furnace main body.
3. The sulfur-producing burner of a sulfur recovery Claus reaction system for spent acid burnable acid of claim 1, wherein: the inner wall of the furnace chamber of the combustion furnace main body is provided with an acid-resistant lining (3), the furnace chamber is also internally provided with a retaining wall (4), and the waste acid nozzle (2) is arranged between the retaining wall (4) and the burner (1).
4. A sulfur-producing burner of a sulfur recovery Claus reaction system for spent acid burnable acid of claim 3, wherein: at least two retaining walls (4) are arranged at intervals along the furnace chamber.
5. A sulfur-producing burner of a sulfur recovery Claus reaction system for spent acid burnable acid of claim 3, wherein: refractory bricks are arranged on the inner wall of the furnace chamber, and an acid-resistant lining (3) is arranged on the inner side of the refractory bricks.
6. The sulfur-producing burner of a sulfur recovery Claus reaction system for spent acid burnable acid of claim 1, wherein: the burner (1) of the combustion furnace main body is provided with a sulfur-making acid gas inlet and a gas distribution inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323005761.XU CN220149229U (en) | 2023-11-08 | 2023-11-08 | Sulfur production combustion furnace of sulfur recovery Claus reaction system capable of burning waste acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323005761.XU CN220149229U (en) | 2023-11-08 | 2023-11-08 | Sulfur production combustion furnace of sulfur recovery Claus reaction system capable of burning waste acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220149229U true CN220149229U (en) | 2023-12-08 |
Family
ID=89021104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323005761.XU Active CN220149229U (en) | 2023-11-08 | 2023-11-08 | Sulfur production combustion furnace of sulfur recovery Claus reaction system capable of burning waste acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149229U (en) |
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2023
- 2023-11-08 CN CN202323005761.XU patent/CN220149229U/en active Active
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