CN201647995U - Cracking furnace of production device for preparing concentrated sulfuric acid by cracking waste sulfuric acid - Google Patents
Cracking furnace of production device for preparing concentrated sulfuric acid by cracking waste sulfuric acid Download PDFInfo
- Publication number
- CN201647995U CN201647995U CN2010201201772U CN201020120177U CN201647995U CN 201647995 U CN201647995 U CN 201647995U CN 2010201201772 U CN2010201201772 U CN 2010201201772U CN 201020120177 U CN201020120177 U CN 201020120177U CN 201647995 U CN201647995 U CN 201647995U
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- China
- Prior art keywords
- pyrolyzer
- furnace
- sulfuric acid
- cracking
- barricade
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- 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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Abstract
The utility model belongs to the technical field of chemical equipment, relating to a cracking furnace as important equipment in a production device for preparing concentrated sulfuric acid by cracking waste sulfuric acid. A barrel body mainly comprises a shell, a heat-insulating pouring layer and a fire-resistant liner; a waste sulfuric acid spray gun installing hole and a gas-air combustor installing hole are arranged on a furnace head end plate; an upper opening retaining wall and a lower opening retaining wall are alternatively arranged in the furnace; a flame monitor installing hole and a sight glass installing hole are arranged on the furnace barrel body; and a furnace gas outlet is arranged at the tail part of the cracking furnace or on the tail end plate or the barrel body of the cracking furnace. In the utility model, the waste sulfuric acid is sprayed into the cracking furnace by utilizing a spray gun, and gas and air are fed into the furnace to combust by utilizing a gas combustion gun for providing heat amount required for cracking the waste sulfuric acid. The designed furnace box temperature is less than 1200 DEG C, the full combustion of the gas and the full cracking of the waste sulfuric acid are ensured, and the concentration of the produced SO2 can meet the requirement of acid preparation.
Description
Technical field
The utility model belongs to technical field of chemical, is specifically related to a kind of visual plant-pyrolyzer that sulfuric acid production plant is produced in the sulfur waste acid cleavage that is used for.
Background technology
China's refinery sulfuric acid alkylation plant will produce a large amount of sulfur waste acid in producing the alkymer process, this sulfur waste acid viscosity is big, and chromaticness is poor, removes to contain 80～85% H
2SO
4, also contain 8～14% organism and H
2O in the treatment process of multiple alkylation spent acid, fundamentally solves the advantage that trashformation circulates and is used to produce because the method for the spent acid cracking system vitriol oil has, and is paid close attention to by people gradually and adopts.
Summary of the invention
The utility model purpose is at above-mentioned present situation, and propose a kind ofly be used for visual plant-pyrolyzer that sulfuric acid production plant is produced in the sulfur waste acid cleavage, a large amount of sulfur waste acid that suitable treatment refinery sulfuric acid alkylation plant produces and other contain the difficult sulfur waste acid of organic impurity, can produce by sulfur waste acid cracking in this pyrolyzer to contain the vitriol oil that sulfur dioxide flue gas is produced technical grade again.
Pyrolyzer of the present utility model can provide spent acid cracking institute's heat requirement and reduce the generation of sublimed sulphur, makes sulfur waste acid be cracked into H under～1100 ℃ in this pyrolyzer
2O and SO
2, for satisfying the normal operation of follow-up acid-making process and equipment,
The utility model is achieved like this: the cylindrical shell of pyrolyzer mainly comprises housing, heat insulation pouring layer, refractory liner; The burner end plate is provided with sulfur waste acid spray gun open holes, gas-air burner open holes; Be arranged alternately upper shed barricade and lower opening barricade in the stove; Furnace tube is provided with flame monitor open holes, visor open holes; Furnace gas export is arranged on pyrolyzer afterbody, the pyrolyzer afterbody end plate or on the cylindrical shell.
Usually, pyrolyzer is a steel shell, and externally is provided with stiffening ring; Paste one deck asbestos plate between lining and the housing; Enclosure interior is welded with the lining bitch, the lining on-the-spot ramming of heat insulating casting material, and heat insulation pouring layer is provided with dilatation joint; Barricade is built by laying bricks or stones by prefabricated acid-resistant refractory brick in refractory liner and the stove, and barricade embeds refractory liner, and the barricade both sides are respectively reserved dilatation joint one.
The pyrolyzer cylindrical shell is provided with manhole, easy access; The pyrolyzer cylindrical shell also is provided with the explosion-proof diaphragm open holes on temperature instrumentation interface and cylindrical shell top.
Description of drawings
Accompanying drawing 1 is the utility model embodiment pyrolyzer structural representation.
In the accompanying drawing 1, the 1-housing; The heat insulation pouring layer of 2-; The 3-bitch; 4-acid-resistant refractory brick lining; The 5-temperature-measuring port; 6-upper shed barricade; 7-lower opening barricade; The 8-stiffening ring; The explosion-proof diaphragm installing port of 9-; The 10-furnace gas export; The 11-manhole; The 12-visor; 13-flame monitor installing port; The 14-saddle; 15-air-nondestructive inspection gas burner open holes; 16-spent acid spray gun open holes; The 17-hand hole.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in detail.
Embodiment: as shown in Figure 1, the present embodiment pyrolyzer comprises steel shell 1, heat insulation pouring layer 2, refractory liner 3, the burner end plate is provided with sulfur waste acid spray gun open holes 16, gas-air burner open holes 15, the barricade 6,7 of proper amt is set in the stove, and barricade is built by laying bricks or stones by prefabricated refractory brick, and upper shed barricade 6 and lower opening barricade 7 are arranged alternately.The pyrolyzer cylindrical shell is provided with flame monitor open holes 13, visor open holes 12, manhole 11, explosion-proof diaphragm installing port 9, temperature instrumentation open holes 5; Furnace gas export is arranged on the pyrolyzer afterbody, furnace gas export 10 can be arranged on the pyrolyzer afterbody end plate or on the cylindrical shell according to arts demand.
The utility model pyrolyzer is a horizontal chamber oven, and barricade quantity, mouth of pipe size are decided with unit scale in body of heater length overall, the stove.Utilize spray gun that sulfur waste acid is spurted into pyrolyzer from burner, coal mine gas and air utilize the gas combustion rifle to send into the stove internal combustion sulfur waste acid cleavage institute heat requirement are provided.Design fire box temperature＜1200 ℃, and guarantee the abundant burning and the abundant cracking of useless vitriolic of coal mine gas, the SO of production
2Concentration can satisfy the relieving haperacidity requirement.
Maximum characteristics of the present utility model are to satisfy the abundant cracking of Waste Sulfuric Acid, consider that the acid-resistant refractory brick lining is adopted in the interior segmentation of corrosivity stove of acid furnace gas, increase the service life; Insulating lining adopts on-the-spot ramming cast, the simple and convenient and good integrity of constructing; The characteristic of considering castable that arranges of insulating lining dilatation joint does not adopt straight joint; Pyrolysis furnace cylindrical shell top arranges explosion-proof diaphragm, so that the equipment operation is more safe and reliable.
Claims (9)
1. one kind is used for the pyrolyzer that sulfuric acid production plant is produced in the sulfur waste acid cleavage, it is characterized in that the cylindrical shell of stove mainly comprises housing, heat insulation pouring layer, refractory liner; The burner end plate is provided with sulfur waste acid spray gun open holes, gas-air burner open holes; Be arranged alternately upper shed barricade and lower opening barricade in the stove; Furnace tube is provided with flame monitor open holes, visor open holes; Furnace gas export is arranged on pyrolyzer afterbody, the pyrolyzer afterbody end plate or on the cylindrical shell.
2. pyrolyzer according to claim 1 is characterized in that the steel shell outer setting has stiffening ring.
3. pyrolyzer according to claim 1 is characterized in that pasting between lining and the housing one deck asbestos plate.
4. pyrolyzer according to claim 1 is characterized in that enclosure interior is welded with the lining bitch, and heat insulation pouring layer is provided with dilatation joint.
5. pyrolyzer according to claim 1 is characterized in that refractory liner built by laying bricks or stones by prefabricated acid-resistant refractory brick.
6. pyrolyzer according to claim 1 is characterized in that barricade is built by laying bricks or stones by prefabricated acid-resistant refractory brick in the stove, and barricade embeds refractory liner, and the barricade both sides are respectively reserved dilatation joint one.
7. pyrolyzer according to claim 1 is characterized in that the pyrolyzer cylindrical shell is provided with manhole.
8. pyrolyzer according to claim 1 is characterized in that the pyrolyzer cylindrical shell is provided with the temperature instrumentation interface.
9. pyrolyzer according to claim 1 is characterized in that pyrolyzer cylindrical shell top is provided with explosion-proof diaphragm open holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201201772U CN201647995U (en) | 2010-02-26 | 2010-02-26 | Cracking furnace of production device for preparing concentrated sulfuric acid by cracking waste sulfuric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201201772U CN201647995U (en) | 2010-02-26 | 2010-02-26 | Cracking furnace of production device for preparing concentrated sulfuric acid by cracking waste sulfuric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201647995U true CN201647995U (en) | 2010-11-24 |
Family
ID=43113225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201201772U Expired - Lifetime CN201647995U (en) | 2010-02-26 | 2010-02-26 | Cracking furnace of production device for preparing concentrated sulfuric acid by cracking waste sulfuric acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201647995U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951616A (en) * | 2012-11-21 | 2013-03-06 | 中国寰球工程公司辽宁分公司 | Cracking furnace for waste acid |
| CN104876190A (en) * | 2015-04-17 | 2015-09-02 | 安徽海德石油化工有限公司 | Oxygen-enriched combustion-supporting waste acid cracking process |
| CN106557101A (en) * | 2015-09-29 | 2017-04-05 | 中国石油化工集团公司 | In Waste Sulfuric Acid cracking concentrated sulphuric acid in pyrolysis furnace index control method |
| CN106744715A (en) * | 2016-11-22 | 2017-05-31 | 惠州宇新化工有限责任公司 | A kind of cleavage method for being segmented free-standing spent acid pyrolysis furnace and Waste Sulfuric Acid |
| CN108545704A (en) * | 2018-07-05 | 2018-09-18 | 无锡英罗唯森科技有限公司 | Sulfuric acid cracker and sulphuric acid plant |
-
2010
- 2010-02-26 CN CN2010201201772U patent/CN201647995U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951616A (en) * | 2012-11-21 | 2013-03-06 | 中国寰球工程公司辽宁分公司 | Cracking furnace for waste acid |
| CN102951616B (en) * | 2012-11-21 | 2014-07-02 | 中国寰球工程公司辽宁分公司 | Cracking furnace for waste acid |
| CN104876190A (en) * | 2015-04-17 | 2015-09-02 | 安徽海德石油化工有限公司 | Oxygen-enriched combustion-supporting waste acid cracking process |
| CN106557101A (en) * | 2015-09-29 | 2017-04-05 | 中国石油化工集团公司 | In Waste Sulfuric Acid cracking concentrated sulphuric acid in pyrolysis furnace index control method |
| CN106744715A (en) * | 2016-11-22 | 2017-05-31 | 惠州宇新化工有限责任公司 | A kind of cleavage method for being segmented free-standing spent acid pyrolysis furnace and Waste Sulfuric Acid |
| CN106744715B (en) * | 2016-11-22 | 2019-03-19 | 惠州宇新化工有限责任公司 | A kind of cleavage method being segmented free-standing spent acid pyrolysis furnace and Waste Sulfuric Acid |
| CN108545704A (en) * | 2018-07-05 | 2018-09-18 | 无锡英罗唯森科技有限公司 | Sulfuric acid cracker and sulphuric acid plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |