CN204550054U - A kind of degassed device is carried out to sulfur recovery facility institute production fluid sulphur - Google Patents
A kind of degassed device is carried out to sulfur recovery facility institute production fluid sulphur Download PDFInfo
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- CN204550054U CN204550054U CN201520191598.7U CN201520191598U CN204550054U CN 204550054 U CN204550054 U CN 204550054U CN 201520191598 U CN201520191598 U CN 201520191598U CN 204550054 U CN204550054 U CN 204550054U
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Abstract
The utility model discloses and a kind ofly carries out degassed device to sulfur recovery facility institute production fluid sulphur, it comprises molten sulfur pond, catalysis degassing tower and airheater, the gas outlet end of described airheater is connected with the bubbler be arranged on bottom described molten sulfur pond with the gas inlet end of evacuation respectively by valve, the gas inlet end of described evacuation is also communicated with the gas outlet end in described molten sulfur pond, the gas outlet end of described evacuation is connected with the gas inlet end bottom described catalysis degassing tower with the air feed pipeline of claus oven respectively by valve, molten sulfur recycle pump is also provided with in described molten sulfur pond, the liquid exit end of described molten sulfur recycle pump is connected with the fluid inlet end of liquid stream water cooler with the molten sulfur refluxing opening in described molten sulfur pond respectively by valve, the liquid exit end of described liquid stream water cooler is connected with the fluid inlet end of described catalysis degassing tower.This device, can eliminate molten sulfur degasification discharge gas and molten sulfur pond waste gas to tail gas SO
2the impact of emission concentration, reclaims this part sulphur completely, ensures that the degasifying effect of molten sulfur reaches 10ppm.
Description
Technical field
The utility model a kind ofly carries out degassed device to sulfur recovery facility institute production fluid sulphur, can effectively reduce H in molten sulfur
2s content, and SO in the tail gas that in the waste gas and molten sulfur pond that molten sulfur degasification produces, waste gas discharges sulfur recovery facility can be eliminated
2emission concentration impact.
Background technology
Sulfur recovery facility institute production fluid sulphur, is dissolved with certain density H
2s
xand H
2s, in transport, shaping and other course of processing, this part H
2s can overflow, and damages producers, simultaneously contaminate environment.General employing circulation at present sprays degasification technique, bubbling degasification technique and catalysis air lift degasification technique, by H in molten sulfur
2s takes off to lower concentration.Sulfur recovery facility generally all arranges molten sulfur pond, for receiving and storing molten sulfur.Molten sulfur pond arranges molten sulfur transferpump and circulating degasification pump, sprays degassed for molten sulfur conveying and circulation.Molten sulfur pond outer setting evacuation in addition, contains H by molten sulfur pond
2the waste gas of S volleys to tail gas burning furnace, carries out burning disposal.
It is promoted by the molten sulfur pump in molten sulfur pond that circulation is sprayed degassed, and then is back to above fluid cell, by spraying, makes H
2s overflows, and makes H in molten sulfur by the spraying that constantly circulates
2s drops to finite concentration, usually less demanding in 10 μ g/g.Bubbling is degassed, being by arranging gas sparging device at the bottom of molten sulfur pond, air or other gas being blasted molten sulfur pond, thus makes the H in molten sulfur
2s
xbe decomposed into H
2s also overflows, and is partially converted into elemental sulfur simultaneously.Catalysis air lift is degassed, is to arrange a catalytic filler tower, and in molten sulfur pond, molten sulfur pump is promoted to packing tower, and the air of certain pressure enters catalytic filler tower from bottom, molten sulfur under the effect of air and catalyzer, the H of dissolving
2s
xbe decomposed into H
2s also overflows, and is partially converted into elemental sulfur, and catalysis stripper overhead gas is delivered to incinerator and burned.In this several degasification technique, outside, molten sulfur pond all arranges evacuation, contains H by molten sulfur pond
2the waste gas of S volleys to tail gas burning furnace, carries out burning disposal.Sulphur in molten sulfur pond waste gas and catalysis stripper overhead waste gas, is finally converted into SO in incinerator
2, and be disposed to air.The tail gas SO that sulfur recovery facility finally discharges
2concentration, having is the waste gas in molten sulfur pond and the contribution of the degassed discharge gas of molten sulfur catalysis greatly.Reduce SO in tail gas of sulphur discharge
2concentration, must take responsible measures to eliminate the impact of this part waste gas generation.
Utility model content
The purpose of this utility model is that providing a kind of carries out degassed device to sulfur recovery facility institute production fluid sulphur.Device of the present utility model, can eliminate molten sulfur degasification discharge gas and molten sulfur pond waste gas to tail gas SO
2the impact of emission concentration, reclaims this part sulphur completely, and can not impact the normal operation of device, ensures that the degasifying effect of molten sulfur reaches 10ppm simultaneously.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of degassed device is carried out to sulfur recovery facility institute production fluid sulphur, it comprises molten sulfur pond, catalysis degassing tower is communicated with the airheater of air compressor with gas inlet end, the gas outlet end of described airheater is connected with the bubbler be arranged on bottom described molten sulfur pond with the gas inlet end of evacuation respectively by valve, the gas inlet end of described evacuation is also communicated with the gas outlet end in described molten sulfur pond, the gas outlet end of described evacuation is connected with the gas inlet end bottom described catalysis degassing tower with the air feed pipeline of claus oven respectively by valve, molten sulfur recycle pump is also provided with in described molten sulfur pond, the liquid exit end of described molten sulfur recycle pump is connected with the fluid inlet end of liquid stream water cooler with the molten sulfur refluxing opening in described molten sulfur pond respectively by valve, the liquid exit end of described liquid stream water cooler is connected with the fluid inlet end of described catalysis degassing tower, the gas outlet end at described catalysis degassing tower top is communicated with the air feed pipeline of claus oven, the liquid exit end at described catalysis degassing tower top is communicated with molten sulfur pond by sulphur envelope.
Described molten sulfur pond being also provided with ventpipe makes part air enter the gas-phase space in molten sulfur pond by ventpipe.
Described evacuation is jacketed type evacuation, by steam heating to avoid sulphur steam or molten sulfur condensation or to solidify.
The fluid inlet end of described catalysis degassing tower is positioned at the bottom of catalysis degassing tower.
Employing the utility model device carries out degassed technological process to sulfur recovery facility institute production fluid sulphur and is:
(1) pressurized air after being compressed by air compressor, heats up through airheater.
(2) pressurized air after heating up divides two-way, and bubbling, to molten sulfur pond, is carried out in a road in molten sulfur pond, and the waste gas in molten sulfur pond, is extracted out to evacuation as power by another road.Evacuation adopts chuck pattern, by steam heating, avoids sulphur steam or molten sulfur condensation or solidifies.
(3) molten sulfur in molten sulfur pond, with after the boosting of molten sulfur recycle pump, after liquid sulphur cooler cools, is delivered to catalysis degassing tower, enters from bottom.
(4) gas of evacuation outlet, also enters catalysis degassing tower from bottom.
(5) in catalysis degassing tower, molten sulfur and air under the effect of catalyzer, part H
2s
xbe decomposed into H
2s also overflows and transforms elemental sulfur, in addition part H
2s is oxidized to simple substance S, finally carries out gas-liquid separation at catalysis degassing tower top, and molten sulfur returns to molten sulfur pond through over cure envelope.Gas enters claus oven air feed pipeline, is mixed into claus oven with main air, reacts in claus oven and follow-up reactor, the final element sulphur reclaimed in this part waste gas.
(6) through the air of heating, and all vapor delivery line in the utility model downstream all adopt chuck pattern, with low-pressure steam heating, the sulphur vapor condensation preventing from carrying secretly, to solidify.
Pressurized air in the utility model, pressure is generally 0.5 ~ 0.7MPa (g), and the air capacity to evacuation is about 20 ~ 30Nm
3/ t molten sulfur (product volume), the air capacity to molten sulfur pond bubbling is 35 ~ 45Nm
3/ t molten sulfur (product volume).
In catalysis degassing tower, be equipped with Al
2o
3for the catalyzer of carrier, also can adopt general random packing, increase the area that air contacts with molten sulfur, promote H in molten sulfur
2s
xwith the reaction of air.
The gas of the degassed tower top of the utility model device catalysis enters the air feed pipeline of claus oven, claus oven is entered in the lump after mixing with the air feed of main air blower, react, element sulphur in gas, is converted into simple substance S by claus oven and follow-up reactor, has reclaimed the S element in this part waste gas, improve the rate of recovery of S, constituent of air simultaneously in gas joins oxygen, the main wind supply quantity of corresponding minimizing as a supplement, on whole device balance, operation not impact.
In the utility model device molten sulfur pond bubbling and catalysis degassed, all can come into operation and only come into operation part means, specifically realize by valve transfer, and also can realize circulation by valve switch and spray degassed.
Adopt the utility model device thoroughly can eliminate molten sulfur degasification waste gas and molten sulfur pond waste gas to SO in whole device emission
2concentration impact, this part waste gas return mechanism gram labor phase part, can fully reclaim this part element sulphur, improves the sulfur recovery rate of device.And the utility model device can make H in molten sulfur
2s is less than 10 μ g/g.
The beneficial effects of the utility model:
Device of the present utility model, can eliminate molten sulfur degasification discharge gas and molten sulfur pond waste gas to tail gas SO
2the impact of emission concentration, reclaims this part sulphur completely, and can not impact the normal operation of device, ensures that the degasifying effect of molten sulfur reaches 10ppm simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device.
Wherein, 1, airheater; 2, evacuation; 3, liquid sulphur cooler; 4, catalysis degassing tower; 5, sulphur envelope; 6, molten sulfur recycle pump; 7, molten sulfur pond; 8, bubbler; 9, ventpipe; 10 ~ 15 valves or regulating mechanism.
Embodiment
Below in conjunction with specific embodiment, the utility model is described:
As shown in Figure 1, a kind of degassed device is carried out to sulfur recovery facility institute production fluid sulphur, it comprises molten sulfur pond 7, catalysis degassing tower 4 is communicated with the airheater 1 of air compressor with gas inlet end, the gas outlet end of described airheater 1 is by valve (15, 14) be connected with the bubbler 8 be arranged on bottom described molten sulfur pond 7 with the gas inlet end of evacuation 2 respectively, the gas inlet end of described evacuation 2 is also communicated with the gas outlet end in described molten sulfur pond 7, the gas outlet end of described evacuation 2 is by valve (12, 13) be connected with the gas inlet end bottom described catalysis degassing tower 4 with the air feed pipeline of claus oven respectively, molten sulfur recycle pump 6 is also provided with in described molten sulfur pond 7, the liquid exit end of described molten sulfur recycle pump 6 is by valve (11, 10) be connected with the fluid inlet end of liquid stream water cooler 3 with the molten sulfur refluxing opening in described molten sulfur pond 7 respectively, the liquid exit end of described liquid stream water cooler 3 is connected with the fluid inlet end of described catalysis degassing tower 4, the gas outlet end at described catalysis degassing tower 4 top is communicated with the air feed pipeline of claus oven, the liquid exit end at described catalysis degassing tower 4 top is communicated with molten sulfur pond 7 by sulphur envelope 5.Described molten sulfur pond 7 being also provided with ventpipe 9 makes part air enter the gas-phase space in molten sulfur pond 7 by ventpipe 9.Described evacuation 2 is jacketed type evacuation, by steam heating to avoid sulphur steam or molten sulfur condensation or to solidify.The fluid inlet end of described catalysis degassing tower 4 is positioned at the bottom of catalysis degassing tower 4.
Embodiment 1: adopt Fig. 1 shown device to carry out degassed process to sulfur recovery facility institute production fluid sulphur
Air is compressed to after 0.6MPa (g) through compressor, delivers to airheater 1 and is heated to 135 DEG C, then divide two-way, and a road flow is about 25Nm
3/ t molten sulfur, through valve 15, directly enters evacuation 2, is volleyed by top, molten sulfur pond 7 waste gas as power.Another road flow is about 40Nm
3/ t molten sulfur, through valve 14, bubbler 8 to molten sulfur pond, by bubbling, by the H that molten sulfur in molten sulfur pond 7 dissolves
2s
xpartial Conversion H
2s, and overflow, part H simultaneously
2s is converted into elemental sulfur.By regulated valve 15 and 14, control the air flow quantity entering evacuation and bubbler, and ensure that molten sulfur pond is in micro-vacuum state, part air enters molten sulfur pond gas-phase space by ventpipe 9.
Molten sulfur in molten sulfur pond 7, after being boosted, through valve 10, is delivered to liquid sulphur cooler 3 and is cooled to 135 DEG C, enter catalysis degassing tower 4 by molten sulfur recycle pump 6.
The mixed gas that evacuation 2 exports, through valve 13, enters catalysis degassing tower 4, at catalysis degassing tower 4 built with Al
2o
3for catalyzer or the filling batch of carrier, air and molten sulfur through bed, the H dissolved in molten sulfur
2s
xbe decomposed into H
2s also overflows, part H in addition
2s is oxidized to simple substance S.Catalysis degassing tower 4 tower top pressure is about 0.08MPa (g).
After catalyzer or filling batch, gas-liquid mixture is separated in catalysis degassing tower 4 upper part space, and liquid phase returns to molten sulfur pond 7 through over cure envelope 5, and gas phase, to claus oven air feed pipeline, enters claus oven in the lump with air distribution.Complete sulphur at claus oven and follow-up reactor to transform and reclaim.
The air line in airheater downstream and waste line, all adopt the heating of 0.35MPa steam jacket.
Embodiment 2:
Only adopt catalysis degassed, bubbling is degassed not to come into operation, the other the same as in Example 1.Be specially the air after heating and be not further divided into two-way, directly to evacuation 2, as power, waste gas in suction molten sulfur pond 7.The valve 14 of bubbler 8 is gone to close.
Embodiment 3:
Employing bubbling is degassed and spray degassed, and catalysis is degassed not to come into operation, the other the same as in Example 1.The gas being specially evacuation 2 outlet, directly by the air feed pipeline of valve 12 to claus oven, goes the valve 13 of catalysis degassing tower 4 to close.Molten sulfur recycle pump 6 outlet valve 10 is closed, and valve 11 is opened.
Embodiment 4:
Only adopt bubbling degassed, catalysis is degassed not to come into operation, the other the same as in Example 1.The gas being specially evacuation 2 outlet, directly by the air feed pipeline of valve 12 to claus oven, goes the valve 13 of catalysis degassing tower 4 to close.Molten sulfur recycle pump 6 is not enabled, and outlet valve 10 is closed, and valve 11 cuts out.
Claims (4)
1. one kind is carried out degassed device to sulfur recovery facility institute production fluid sulphur, it is characterized in that it comprises molten sulfur pond, catalysis degassing tower is communicated with the airheater of air compressor with gas inlet end, the gas outlet end of described airheater is connected with the bubbler be arranged on bottom described molten sulfur pond with the gas inlet end of evacuation respectively by valve, the gas inlet end of described evacuation is also communicated with the gas outlet end in described molten sulfur pond, the gas outlet end of described evacuation is connected with the gas inlet end bottom described catalysis degassing tower with the air feed pipeline of claus oven respectively by valve, molten sulfur recycle pump is also provided with in described molten sulfur pond, the liquid exit end of described molten sulfur recycle pump is connected with the fluid inlet end of liquid stream water cooler with the molten sulfur refluxing opening in described molten sulfur pond respectively by valve, the liquid exit end of described liquid stream water cooler is connected with the fluid inlet end of described catalysis degassing tower, the gas outlet end at described catalysis degassing tower top is communicated with the air feed pipeline of claus oven, the liquid exit end at described catalysis degassing tower top is communicated with molten sulfur pond by sulphur envelope.
2. device according to claim 1, is characterized in that described molten sulfur pond is also provided with ventpipe.
3. device according to claim 1, is characterized in that described evacuation is jacketed type evacuation, by steam heating to avoid sulphur steam or molten sulfur condensation or to solidify.
4. device according to claim 1, is characterized in that the fluid inlet end of described catalysis degassing tower is positioned at the bottom of catalysis degassing tower.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191598.7U CN204550054U (en) | 2015-03-31 | 2015-03-31 | A kind of degassed device is carried out to sulfur recovery facility institute production fluid sulphur |
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|---|---|---|---|
| CN201520191598.7U CN204550054U (en) | 2015-03-31 | 2015-03-31 | A kind of degassed device is carried out to sulfur recovery facility institute production fluid sulphur |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655040A (en) * | 2019-11-05 | 2020-01-07 | 辽宁北方华锦五洲化工工程设计有限公司 | Liquid sulfur degassing process applied to refining device |
| CN115724408A (en) * | 2021-08-31 | 2023-03-03 | 中国石油化工股份有限公司 | Degassing treatment device and method for liquid sulfur |
-
2015
- 2015-03-31 CN CN201520191598.7U patent/CN204550054U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655040A (en) * | 2019-11-05 | 2020-01-07 | 辽宁北方华锦五洲化工工程设计有限公司 | Liquid sulfur degassing process applied to refining device |
| CN115724408A (en) * | 2021-08-31 | 2023-03-03 | 中国石油化工股份有限公司 | Degassing treatment device and method for liquid sulfur |
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| GR01 | Patent grant |