CN102079510B - Brimstone furnace and sulfur trioxide preparation system - Google Patents
Brimstone furnace and sulfur trioxide preparation system Download PDFInfo
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- CN102079510B CN102079510B CN201010590973A CN201010590973A CN102079510B CN 102079510 B CN102079510 B CN 102079510B CN 201010590973 A CN201010590973 A CN 201010590973A CN 201010590973 A CN201010590973 A CN 201010590973A CN 102079510 B CN102079510 B CN 102079510B
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- brimstone furnace
- molten sulfur
- brimstone
- converter
- preparation system
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 242
- 241001313207 Gonepteryx rhamni Species 0.000 title claims abstract description 95
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 127
- 239000011593 sulfur Substances 0.000 claims abstract description 127
- 238000002485 combustion reaction Methods 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 24
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 24
- 239000004571 lime Substances 0.000 claims description 24
- 238000009827 uniform distribution Methods 0.000 claims description 24
- 239000005864 Sulphur Substances 0.000 claims description 20
- 239000003054 catalyst Substances 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 229910052573 porcelain Inorganic materials 0.000 claims description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000126 substance Substances 0.000 abstract description 4
- 240000006909 Tilia x europaea Species 0.000 description 20
- 238000000034 method Methods 0.000 description 8
- 230000009466 transformation Effects 0.000 description 8
- 238000004821 distillation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 235000010269 sulphur dioxide Nutrition 0.000 description 5
- 239000004291 sulphur dioxide Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of chemical equipment and discloses a brimstone furnace which is used to burn liquid sulfur and generate sulfur dioxide. The brimstone furnace comprises a brimstone furnace shell, wherein the upper part of the brimstone furnace shell is provided with a liquid sulfur inlet, the lower end of the brimstone furnace shell is provided with an air inlet; and the inside of the brimstone furnace shell is provided with a combustion platform in which liquid sulfur can flow downstream. In the brimstone furnace provided by the invention, the inside of the brimstone furnace shell is provided with the combustion platform for the downstream flowing of liquid sulfur, liquid sulfur enters the brimstone furnace shell from a liquid sulfur delivery pipe and is sprayed to the upper end of the combustion platform; liquid sulfur flows down layer by layer along the side of the combustion platform when burnt layer by layer; and the combustion platform provides enough surface area so that liquid sulfur can fully contact with the air, liquid sulfur can be burnt completely and the amount of the sublimated liquid sulfur is reduced. The invention also discloses a sulfur trioxide preparation system of the brimstone furnace.
Description
Technical field
The present invention relates to technical field of chemical, relate in particular to a kind of combustion of liquid sulphur that is used for to generate the brimstone furnace of sulfurous gas.The invention still further relates to a kind of sulphur trioxide preparation system with above-mentioned brimstone furnace.
Background technology
Sulphur trioxide is a kind of Chemicals commonly used, and it is widely used in fields such as sulfonation, sulfuric acid, chemical fertilizer, environmental protection.
At present, be employed in the sulphur trioxide preparation system combustion of liquid sulphur usually and produce sulphur trioxide.In the prior art; Sulphur trioxide preparation system commonly used generally includes brimstone furnace, converter, molten sulfur transfer lime, air delivery tube; The molten sulfur transfer lime is communicated with the molten sulfur inlet of brimstone furnace; Air delivery tube is communicated with the blast inlet of brimstone furnace, and the air outlet of brimstone furnace is communicated with the blast inlet of converter.
Liquid sulfur (being called for short molten sulfur among the application) with certain temperature gets into the top of brimstone furnace through the molten sulfur transfer lime; Air-flow with certain temperature gets into the bottom of roasting kiln through the gas delivery pump; Molten sulfur mixes with airflow through the mode of spray combustion and burns, and the molten sulfur burning forms the mixed gas of sulfurous gas, air etc., and mixed gas gets in the converter again; Be provided with multilayer, multistage catalyzer in the converter; Under the effect of catalyzer, the Sulphur Dioxide in the mixed gas becomes sulphur trioxide, and sulfur trioxide gas is discharged from the air outlet of converter.
The sulphur trioxide preparation system of this structure; Molten sulfur burns through the mode of spray combustion in brimstone furnace, and the amount of the molten sulfur that is sprayed is bigger, the large percentage of molten sulfur and air; Be easy to generate the incomplete combustion phenomenon, the molten sulfur of incomplete combustion is easy to generate the molten sulfur distillation and forms gaseous sulfur; Because the amount of molten sulfur is bigger, the amount of the sulfurous gas that is produced is also bigger, makes that promptly the concentration of the intravital sulfurous gas of said gas mixture is higher; Molten sulfur distillation makes and contains more a large amount of gaseous sulfur in the said mixed gas.
The burning of sulphur belongs to thermopositive reaction, and Sulphur Dioxide becomes sulphur trioxide also to belong to thermopositive reaction, because the concentration of sulfurous gas is higher in the mixed gas of entering converter; Contain gaseous sulfur in the mixed gas, Sulphur Dioxide becomes sulphur trioxide will discharge more heat, and the gaseous sulfur burning also will discharge more heat; Thermopositive reaction is fierce; Temperature exceeds the optimal conversion temperature of catalyzer easily, in order to improve transformation efficiency, the multistage catalyzer is set in the prior art; Layer and the layer between, the section with the section between be provided with the interval, bubbling air cools off; Perhaps before mixed gas gets into converter, earlier mixed gas is cooled off, promptly on the pipeline between brimstone furnace and the converter, be provided with gas cooling equipment.So just make the equipment of sulphur trioxide preparation system huge, complex structure, technology is loaded down with trivial details, transformation efficiency is lower, catalyst levels is big and the life-span is short, energy consumption is higher.
In addition; Molten sulfur in the molten sulfur transfer lime adopts impeller pump to carry usually, and the flow of molten sulfur leans on variable valve to regulate, and there is the shortcoming that the molten sulfur flow control accuracy is low, energy consumption is big in this mode of movement; And because molten sulfur viscosity is bigger, faults such as obstruction appear in variable valve easily.
Therefore, how to improve efficiency of combustion, the distillation of minimizing molten sulfur of molten sulfur, become the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
First purpose of the present invention provides a kind of brimstone furnace, this brimstone furnace can improve molten sulfur efficiency of combustion, reduce molten sulfur distillation amount, improve the transformation efficiency of sulfurous gas.Second purpose of the present invention provides a kind of sulphur trioxide preparation system with above-mentioned brimstone furnace.
In order to realize above-mentioned first purpose; The invention provides a kind of brimstone furnace, be used for combustion of liquid sulphur, comprise the brimstone furnace housing to generate sulfurous gas; The top of this brimstone furnace housing is provided with the molten sulfur inlet, the lower end is provided with blast inlet, is provided with the combustion platform of feed flow sulphur following current in the said brimstone furnace housing.
Preferably, said combustion platform is stepped round platform.
Preferably, the below of said combustion platform is provided with the airflow uniform distribution plate that is no less than one deck, and this airflow uniform distribution plate is provided with a plurality of airflow holes that are uniformly distributed with.
Preferably, the quantity of said airflow uniform distribution plate is no less than two-layer, and the airflow hole on the adjacent airflow uniform distribution plate is crisscross arranged.
Brimstone furnace provided by the invention; In the brimstone furnace housing, be provided with the combustion platform of feed flow sulphur following current; The molten sulfur that gets into the brimstone furnace housing from the molten sulfur transfer lime is sprayed onto the upper end of combustion platform, and successively flows down along the side of combustion platform, successively burns at this process molten sulfur; Combustion platform provides enough big surface-area, molten sulfur fully to contact with air; To guarantee that molten sulfur can perfect combustion, can make the amount of molten sulfur distillation reduce, and then make that the amount that gets into gaseous sulfur in the mixed gas in the converter is less; Can reduce the heat that produced because of gaseous sulfur burning; Can make the interior temperature of converter be difficult for exceeding the optimal conversion temperature of catalyzer, not need before mixed gas gets into converter, mixed gas to be cooled off, also not need in converter, to be provided with the multistage catalyzer; More do not need between layer and layer, section and section, to be provided with at interval, can make that the device structure of sulphur trioxide preparation system is simple, requisite space diminishes, floor space reduces, technology is simple, transformation efficiency sulfurous gas is higher, catalyst levels reduces and the life-span prolongs, energy consumption is lower.
The rate of combustion of molten sulfur is higher; Can reduce to get into the flow of the molten sulfur of brimstone furnace; The amount of the feasible sulfurous gas that is produced reduces, and then makes that the concentration of sulfurous gas is lower from the mixed gas that brimstone furnace is discharged, and then makes when Sulphur Dioxide becomes sulphur trioxide in converter; The heat that is produced is less, can make the interior temperature of converter be difficult for exceeding the optimal conversion temperature of catalyzer.
In order to realize above-mentioned second purpose; The present invention also provides a kind of sulphur trioxide preparation system; Comprise brimstone furnace, converter, molten sulfur transfer lime, air delivery tube, said molten sulfur transfer lime is communicated with the molten sulfur inlet of said brimstone furnace, and said air delivery tube is communicated with the blast inlet of said brimstone furnace; The air outlet of said brimstone furnace is communicated with the blast inlet of said converter, and said brimstone furnace is above-mentioned brimstone furnace.Because above-mentioned brimstone furnace possesses above-mentioned technique effect, the sulphur trioxide preparation system with this brimstone furnace also should possess the corresponding techniques effect.
Preferably, said molten sulfur transfer lime is provided with the sulphur pump that is carried out speed control by frequency variation by the pump frequency conversion device.
Preferably, said air delivery tube is provided with the blower fan that is carried out speed control by frequency variation by fan frequency converter.
Preferably, said molten sulfur transfer lime comprises molten sulfur pipe and vapour pipe, and said molten sulfur pipe box is contained in the said vapour pipe.
Preferably, said converter comprises the converter housing, from top to bottom is provided with low temperature catalyst layer and high temperature catalyst layer in the said converter housing successively side by side.
Preferably, the top of said low temperature catalyst layer is provided with refractory porcelain ball layer.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of brimstone furnace provided by the present invention;
Fig. 2 is that the A-A of brimstone furnace among Fig. 1 is to structural representation;
Fig. 3 is the schematic block diagram of sulphur trioxide preparation system provided by the present invention;
Fig. 4 is the structural representation of a kind of embodiment of converter among Fig. 3;
Wherein, among Fig. 1-Fig. 4:
Brimstone furnace 1, brimstone furnace housing 10, molten sulfur inlet 11, blast inlet 12, air outlet 13, combustion platform 14, the first airflow uniform distribution plate 15, airflow hole 151, the second airflow uniform distribution plate 16;
Converter 2, converter housing 20, blast inlet 21, air outlet 22, refractory porcelain ball layer 23, low temperature catalyst layer 24, high temperature catalyst layer 25;
Molten sulfur transfer lime 3, sulphur pump 31, pump frequency conversion device 32, molten sulfur under meter 33, motorized valve 34, molten sulfur temperature-detecting device 35, air delivery tube 4, air filter 41, blower fan 42, air flowmeter 43, electric heater 44, gas flow temperature proofing unit 45, fan frequency converter 46, unit 5, temperature-detecting device 51, temperature-detecting device 52, temperature-detecting device 53.
Embodiment
In order to make those skilled in the art better understand technical scheme of the present invention, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.
Please referring to Fig. 1, Fig. 2, Fig. 1 is the structural representation of a kind of embodiment of brimstone furnace provided by the present invention; Fig. 2 is that the A-A of brimstone furnace among Fig. 1 is to structural representation.
Like Fig. 1, shown in Figure 2; Brimstone furnace provided by the present invention comprises brimstone furnace housing 10, has certain volume in the cavity of brimstone furnace housing 10, brimstone furnace 1 can be cylindric also can other shapes; The top of this brimstone furnace housing 10 is provided with molten sulfur inlet 11; Molten sulfur can get in the brimstone furnace housing 10 through this molten sulfur inlet 11, and the bottom of brimstone furnace housing 10 is provided with blast inlet 12, and air-flow can get into through this blast inlet 12 and replenish air in the brimstone furnace housing 10, in brimstone furnace 1; Also be provided with air outlet 13 on the brimstone furnace housing 10, mixed gas can be discharged from air outlet 13; Also be provided with the combustion platform 14 of the feed flow sulphur following current with certain altitude in the brimstone furnace housing 10, after the molten sulfur that gets into from molten sulfur inlet 11 was sprayed onto this and burns hot platform, molten sulfur can slowly flow down along the side of combustion platform 14.
In the preferred version, that combustion platform 14 can be is round table-like, also can be trapezoidal shape, but the structure that all sides feed flow sulphur slowly flows down all can be used as combustion platform 14 of the present invention.
In the more excellent scheme, combustion platform 14 can be stair-stepping round platform, and molten sulfur can successively flow down along this round platform, and when molten sulfur successively flowed down, molten sulfur is burning successively also, and molten sulfur has higher efficiency of combustion.
Brimstone furnace provided by the invention; In brimstone furnace housing 10, be provided with the combustion platform 14 of feed flow sulphur following current; The molten sulfur that gets into brimstone furnace housings 10 from molten sulfur transfer lime 3 is sprayed onto the upper end of combustion platform 14, and successively flows down along the side of combustion platform 14, successively burns at this process molten sulfur; Combustion platform 14 provides enough big surface-area, molten sulfur fully to contact with air; To guarantee that molten sulfur can perfect combustion, can make the amount of molten sulfur distillation reduce, and then make that the amount that gets into gaseous sulfur in the mixed gas in the converter is less; Can reduce the heat that produced because of gaseous sulfur burning; Can make the interior temperature of converter be difficult for exceeding the optimal conversion temperature of catalyzer, not need before mixed gas gets into converter, mixed gas to be cooled off, also not need in converter, to be provided with the multistage catalyzer; More do not need between layer and layer, section and section, to be provided with at interval, can make that the device structure of sulphur trioxide preparation system is simple, requisite space diminishes, floor space reduces, technology is simple, transformation efficiency sulfurous gas is higher, catalyst levels reduces and the life-span prolongs, energy consumption is lower.
The rate of combustion of molten sulfur is higher; Can reduce to get into the flow of the molten sulfur of brimstone furnace 1; The amount of the feasible sulfurous gas that is produced reduces, and then makes that the concentration of sulfurous gas is lower from the mixed gas that brimstone furnace 1 is discharged, and then makes when Sulphur Dioxide becomes sulphur trioxide in converter 2; The heat that is produced is less, can make converter 2 interior temperature be difficult for exceeding the optimal conversion temperature of catalyzer.
In the preferred scheme; The following of combustion platform 14 can be provided with the airflow uniform distribution plate that is no less than one deck, and the airflow uniform distribution plate is provided with a plurality of airflow holes, need pass through the airflow uniform distribution plate from blast inlet 12 entering brimstone furnace housings 10 interior airflows and just can rise to combustion platform 14; Just can contact with molten sulfur; The airflow uniform distribution plate can play flow-disturbing and the effect that is uniformly distributed with to airflow, can make even air contact with molten sulfur, avoids appearance the molten sulfur inadequate problem of burning to occur because of the air inequality.
In the more excellent scheme, the quantity of airflow uniform distribution plate is no less than two-layer, and the airflow hole on the adjacent airflow uniform distribution plate is crisscross arranged.As shown in Figure 1; The below of combustion platform 14 is provided with the first airflow uniform distribution plate 15 and the second airflow uniform distribution plate 16; The airflow hole 151 on the first airflow uniform distribution plate 15 and the airflow hole of the second airflow uniform distribution plate 16 shift to install; Promptly the center of airflow hole 151 on the first airflow uniform distribution plate 15 and the airflow hole on the second airflow uniform distribution plate 16 is on same axis, can contact with molten sulfur more equably so that pass the air of the first airflow uniform distribution plate 15, the second airflow uniform distribution plate 16.
The present invention also provides a kind of sulphur trioxide preparation system, and following examples combine accompanying drawing that it is carried out brief account.
Please referring to Fig. 3, Fig. 3 is the schematic block diagram of sulphur trioxide preparation system provided by the present invention.
As shown in Figure 3; Sulphur trioxide preparation system provided by the invention comprises brimstone furnace 1, converter 2, molten sulfur transfer lime 3, air delivery tube 4; Molten sulfur transfer lime 3 is communicated with the molten sulfur inlet 11 of said brimstone furnace 1; Said air delivery tube 4 is communicated with the blast inlet of said brimstone furnace 1, and the air outlet of said brimstone furnace 1 is communicated with the blast inlet of said converter 2, and brimstone furnace 1 is the described brimstone furnace 1 of the foregoing description.Because above-mentioned brimstone furnace 1 possesses above-mentioned technique effect, the sulphur trioxide preparation system with this brimstone furnace 1 also should possess the corresponding techniques effect.
In the concrete scheme; Gaseous sulfur is less, the concentration of sulfurous gas is lower owing to from the mixed gas that brimstone furnace 1 is discharged, contain; Processing need not cool before the mixed gas entering converter 2; The air outlet 13 of brimstone furnace 1 directly is communicated with the blast inlet of converter 2, and the two directly need not install the equipment of cooling, and can reduce the volume and the cost of sulphur trioxide preparation system.
Further in the scheme, gaseous sulfur is less, the concentration of sulfurous gas is lower owing to from the mixed gas that brimstone furnace 1 is discharged, contain, and the multistage catalyzer need be set in the converter 2; As shown in Figure 4, converter 2 can comprise converter housing 20, and converter housing 20 is provided with blast inlet 21 and air outlet 22; From top to bottom be provided with low temperature catalyst layer 24 and high temperature catalyst layer 25 in the said converter housing 20 successively side by side, between low temperature catalyst layer 24 and the high temperature catalyst layer 25 any interval can be set, the two can be adjacent to setting; Can make the simplifying the structure of converter 2; Converter 2 required spaces diminish, its floor space reduces, and also can improve the transformation efficiency of sulfurous gas simultaneously, only are provided with low temperature catalyst layer 24 and get final product with high temperature catalyst layer 25; Catalyst levels reduces and prolong the work-ing life of catalyzer, and energy consumption is lower.
In the preferred scheme; In order to make full use of catalyzer, make that the sulfurous gas in the mixed gas fully contacts with catalyzer, improve the transformation efficiency of sulfurous gas; Can above low temperature catalyst layer 24, be provided with refractory porcelain ball layer 23; Have a plurality of refractory porcelain balls on the refractory porcelain ball layer 23, have certain gap between each refractory porcelain ball, mixed gas evenly flows to low temperature catalyst layer 24 after through above-mentioned space; Can make the sulfurous gas in the mixed gas fully contact, improve the transformation efficiency of sulfurous gas with catalyzer.
In the preferred scheme; Molten sulfur transfer lime 3 can comprise molten sulfur pipe and vapour pipe; The molten sulfur pipe box is contained in the vapour pipe, and molten sulfur is carried in the molten sulfur pipe, and the medium in the vapour pipe is the steam with certain temperature; Steam can carry out heat tracing to molten sulfur, makes to guarantee that molten sulfur is in the temperature required scope all the time.
In the preferred version, on molten sulfur transfer lime 3, be provided with sulphur pump 31, sulphur pump 31 can adopt pump of constant delivery type; This sulphur pump 31 can adopt pump frequency conversion device 32 to carry out speed control by frequency variation; Through the output flow of pump frequency conversion device 32 change sulphur pumps 31, and then the flow of the molten sulfur of may command entering brimstone furnace 1, this scheme can make that the flow control of molten sulfur is accurate; And need not adopt variable valve can adjust the flow of molten sulfur, the phenomenon of molten sulfur occlusion adjustments valve can not appear.
Further in the scheme, can also be provided with molten sulfur under meter 33 on the molten sulfur transfer lime 3, molten sulfur under meter 33 can detect the flow size of molten sulfur in the molten sulfur transfer lime 3; Can also be provided with motorized valve 34 on the molten sulfur transfer lime 3, the flow size of molten sulfur in the motorized valve 34 may command molten sulfur transfer limes 3; Molten sulfur transfer lime 3 also can be provided with molten sulfur temperature-detecting device 35 near the molten sulfur of brimstone furnace 1 11 places that enter the mouth, and to detect the temperature that gets into the molten sulfur in the brimstone furnace 1, this molten sulfur temperature-detecting device 35 can be TP.
In the preferred scheme, can be provided with the blower fan 42 that carries out speed control by frequency variation by frequency transformer on the air delivery tube 4, get into the flow of airflow in the brimstone furnace 1 through the speed control by frequency variation may command of frequency transformer.
In the preferred version, airflow gets into blower fan 42 before to adopting 41 pairs of air of air filter to filter, and gets in the brimstone furnace 1 to prevent impurity.
Further in the scheme, can be provided with air flowmeter 43 on the air delivery tube 4, air flowmeter 43 can detect the flow size of air in the air delivery tube 4; Also can be provided with electric heater 44 on the air delivery tube 4, electric heater 44 can heat the air that will get into brimstone furnace 1; Also be provided with gas flow temperature proofing unit 45 on the air delivery tube 4, to detect the temperature that gets into the molten sulfur in the brimstone furnace 1, this molten sulfur temperature-detecting device 35 can be TP.
Sulphur trioxide preparation system provided by the invention is in the process of preparation sulphur trioxide; Can be through each technological process of production of system control, this system can comprise unit 5, particularly; This unit 5 can the PLC unit; For example, this unit 5 can receive the molten sulfur flow signal that sends of molten sulfur under meter 33, according to the discharge capacity of this flow signal control pump frequency transformer 32 frequency conversions adjustment sulphur pump 31; But the air flow rate signal that sends of these unit 5 admission of air under meters 43 is according to the discharge capacity of this flow signal control fan frequency converter 46 frequency conversions adjustment sulphur pump 31.
Unit 5 also can link to each other with motorized valve 34, molten sulfur temperature-detecting device 35, gas flow temperature proofing unit 45, receives the relevant detection signal, controls corresponding parts according to corresponding control strategies and moves.
Unit 5 can also receive the temperature-detecting device 51, the temperature-detecting device 52 that is used to detect converter 2 blast inlet place temperature that are used to detect temperature in the brimstone furnace 1, be used to detect the temperature signal that the temperature-detecting device 53 of converter 2 air outlet place temperature sends.
The above only is the description of the preferred implementation of invention; Should be pointed out that finiteness, and objectively have unlimited concrete structure owing to literal expression; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (9)
1. brimstone furnace; Be used for combustion of liquid sulphur to generate sulfurous gas; Comprise the brimstone furnace housing, the top of this brimstone furnace housing is provided with the molten sulfur inlet, the lower end is provided with blast inlet, it is characterized in that; Be provided with the combustion platform of feed flow sulphur following current in the said brimstone furnace housing, and said combustion platform is stepped round platform.
2. brimstone furnace according to claim 1 is characterized in that, the below of said combustion platform is provided with the airflow uniform distribution plate that is no less than one deck, and this airflow uniform distribution plate is provided with a plurality of airflow holes that are uniformly distributed with.
3. according to the said brimstone furnace of claim 2, it is characterized in that the quantity of said airflow uniform distribution plate is no less than two-layer, the airflow hole on the adjacent airflow uniform distribution plate is crisscross arranged.
4. sulphur trioxide preparation system; Comprise brimstone furnace, converter, molten sulfur transfer lime, air delivery tube; Said molten sulfur transfer lime is communicated with the molten sulfur inlet of said brimstone furnace, and said air delivery tube is communicated with the blast inlet of said brimstone furnace, and the air outlet of said brimstone furnace is communicated with the blast inlet of said converter; It is characterized in that said brimstone furnace is each described brimstone furnace of claim 1-3.
5. sulphur trioxide preparation system according to claim 4 is characterized in that, said molten sulfur transfer lime is provided with the sulphur pump that is carried out speed control by frequency variation by the pump frequency conversion device.
6. sulphur trioxide preparation system according to claim 4 is characterized in that said air delivery tube is provided with the blower fan that is carried out speed control by frequency variation by fan frequency converter.
7. sulphur trioxide preparation system according to claim 4 is characterized in that, said molten sulfur transfer lime comprises molten sulfur pipe and vapour pipe, and said molten sulfur pipe box is contained in the said vapour pipe.
8. sulphur trioxide preparation system according to claim 4 is characterized in that said converter comprises the converter housing, from top to bottom is provided with low temperature catalyst layer and high temperature catalyst layer in the said converter housing successively side by side.
9. sulphur trioxide preparation system according to claim 8 is characterized in that, the top of said low temperature catalyst layer is provided with refractory porcelain ball layer.
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| CN103569973B (en) * | 2013-11-26 | 2015-06-17 | 柳州市易普科化工技术开发有限责任公司 | Liquid level stabilizing device for vaporizing chamber of vaporization whirlwind brimstone burner and method thereof for realizing stability of liquid level |
| CN108818886A (en) * | 2018-07-16 | 2018-11-16 | 西南科技大学 | Travertine prefabricated component preparation facilities |
| CN114029004A (en) * | 2021-10-18 | 2022-02-11 | 怀化鑫崀峰钙业有限公司 | Fluidized bed |
| CN116161627B (en) * | 2022-12-13 | 2023-08-22 | 福建天甫电子材料有限公司 | Sulfur incinerator for electronic grade sulfuric acid preparation |
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| US4046867A (en) * | 1975-02-25 | 1977-09-06 | Allied Chemical Corporation | Method for making sulfur dioxide-containing gas stream |
| CN2880797Y (en) * | 2006-01-27 | 2007-03-21 | 林锋 | Sulfur burning furnace |
| CN201347359Y (en) * | 2008-12-02 | 2009-11-18 | 福建龙净环保股份有限公司 | Integral generating device of SO3 modifying agent |
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| Title |
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| 杨祖华.纯氧-硫磺法生产液体SO2工艺的改进.《硫酸工业》.1989,(第2期),第54-56页. * |
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