CN108706547B - One kind is with H2S and petroleum coke are the device and method of raw materials recovery sulphur - Google Patents

One kind is with H2S and petroleum coke are the device and method of raw materials recovery sulphur Download PDF

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Publication number
CN108706547B
CN108706547B CN201810650868.4A CN201810650868A CN108706547B CN 108706547 B CN108706547 B CN 108706547B CN 201810650868 A CN201810650868 A CN 201810650868A CN 108706547 B CN108706547 B CN 108706547B
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gas
petroleum coke
lack
incinerator
tower
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CN108706547A (en
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赵希强
马春元
冯太
夏霄
李军
张世珍
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Shandong University
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Shandong University
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • 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
    • 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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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)

Abstract

The present invention relates to one kind with H2S and petroleum coke are the device and method of raw materials recovery sulphur, belong to atmosphere pollution improvement and recycling field, process are as follows: by the H of enrichment2S is in H2It burns in S incinerator, generation contains SO2High-temperature gas mixture, with petroleum coke reduction reaction occurs for high-temperature gas mixture after mixing with circulating air, and reaction gas recycles heat by dedusting, cooling Recovered sulphur, lack of gas reheating after-combustion；The device of Recovered sulphur includes moving bed reduction tower, is divided into three layers from outside to inside and is followed successively by ring-shaped air chamber, petroleum coke particles layer, interior gas chamber.Using the high-sulfurs such as petroleum coke carbon-based material as reducing agent, the cost of carbo-thermal process can be further decreased, and improves sulphur recovery efficiency, sulphur yield difference 85~95%；In conjunction with lack of gas burning process, system waste heat recycling, while the waste that treatment process process generates are realized.

Description

One kind is with H2S and petroleum coke are the device and method of raw materials recovery sulphur
Technical field
The invention belongs to atmosphere pollution improvement and recycling fields, more particularly to one kind with H2S and petroleum coke are original Expect the device and method of Recovered sulphur.
Background technique
H2S is main sulfurous pollutants in petrochemical industry, at present H2S Treatment process is with Crouse (Claus) technique It is main.Claus technique used at present, needs multistage catalytic to convert, and is just able to achieve the high efficiente callback of sulphur and the row up to standard of tail gas It puts, high process cost.But it there is no other H that are mature, may replace Claus technique at present2S is administered and recovery technology of sulfur.
Petroleum coke is the by-product generated in petrochemical industry, and main component is carbon, remaining element is hydrogen, oxygen, nitrogen, sulphur and gold Belong to element；Since sulfur content is higher, application is limited at present.
Developing one kind can be achieved at the same time H2S administers, the method for the resource utilization of high sulfur recovery rate, petroleum coke Have great importance.
Summary of the invention
For above-mentioned problems of the prior art, it is an object of the present invention to provide one kind with H2S and petroleum coke For the device and technique of raw materials recovery sulphur.For the by-product H in petrochemical industry2The property feature of S and petroleum coke propose one Kind H2S burning and petroleum coke restore SO2In conjunction with H2S Processing tecchnics, while realizing the recycling of Sulphur ressource recycling and petroleum coke It utilizes, and designs corresponding device；The present invention passes through burning H2S obtains high concentration SO2And heat, it is followed using reaction gas Ring method realizes SO2Repeatedly while reduction conversion, new by-product is inhibited to generate using sulfur byproduct species in recyclegas, Realize the high efficiente callback of sulfurous gas qualified discharge and Sulphur ressource；It the use of petroleum coke is that reducing agent restores SO2, sulphur content in petroleum coke Precipitation is converted into sulphur, and petroleum coke sulfur content reduces, and quality gets a promotion.
In order to solve the above technical problems, the technical solution of the present invention is as follows:
One kind is with H2S and petroleum coke are the method for raw materials recovery sulphur, specific steps are as follows:
(1) by the H of enrichment2S is in H2It burns in S incinerator, generation contains SO2High-temperature gas mixture, with reheater import Circulating air mix and convert after obtained hybrid reaction gas enter moving bed reduction tower；
(2) enter the SO in the hybrid reaction gas of moving bed reduction tower2Reduction reaction occurs with petroleum coke, it is remaining after reaction Petroleum coke cool down in petroleum coke cooler, after cooling by outlet lock gas batcher discharge；
(3) reaction gas that moving bed reduction tower reduction reaction obtains enters high-temperature filter filtering dust, using reheating After device, reaction Gas Cooler cooling, cooling in sulfur condenser, sulphur becomes liquid from gaseous state, flows into the storage of sulphur storage tank；
(4) lack of gas for leaving sulfur condenser, which enter in water vapor condenser, to be condensed；It is cold in water vapor condenser Condensate sprays into acid gas removal tower together with the sour gas being dissolved in water；Dewatered lack of gas in water vapor condenser Into reheater outer wall heat transferring medium case heat temperature raising, the lack of gas after heat temperature raising are divided into circulating air and lack of gas；
(5) lack of gas derived from reheater enter in lack of gas incinerator and burn, and the flue gas after the burning of lack of gas incinerator is by empty Hot-air heater is discharged after being exchanged heat, by SO2By smoke stack emission after removing tower and bag filter purification；In air heater The air being heated enters H2S incinerator and the combustion-supporting use of lack of gas incinerator.
Petroleum coke is a kind of carbon-based material of high sulfur content, and in carbothermic reduction process, the sulphur content in carbon-based material also can It is partially converted into sulphur, improves the rate of recovery of sulphur that petroleum coke reduction sulfur dioxide obtains, the rate of recovery can reach 85~ 95%, the resource utilization of petroleum coke is realized, while improving sulfur recovery rate；The H of the application2S processing method and existing skill Claus technique in art is different, H2S burns to obtain sulfur dioxide, and carbon thermal reduction sulfur dioxide obtains sulphur.
Preferably, in step 1), by the H of enrichment2The concentration of S is 60~80%, H2The pyroreaction that S incinerator generates The temperature of gas is 1000-1500 DEG C；The SO contained2Concentration is 5-30%；Pyroreaction gas is mixed with circulating air with volume ratio 1:1 The temperature of hybrid reaction gas afterwards is 600-1000 DEG C；Pyroreaction gas is N2、SO2、H2The mixture of O etc..
Preferably, the sulfur content of the petroleum coke of moving bed reduction tower is 3-7% in step 2), and the partial size of petroleum coke particles is 2-10mm；The temperature that moving bed restores the reduction reaction in tower is 600-1000 DEG C, when contact of the hybrid reaction gas with petroleum coke Between be 2-8s.
Preferably, remaining petroleum coke by petroleum coke cooler temperature after cooling is after reduction reaction in step 2) 20-50℃；The sulfur content of remaining petroleum coke is 2-4% after reduction reaction.
Preferably, reaction gas is cooled to 130-180 DEG C in sulfur condenser in step 3), and reaction gas is separated into liquid sulfur Sulphur and lack of gas.
Preferably, the lack of gas that sulfur condenser exports in step 4) enter water vapor condenser, water vapor condenser outlet About 50-90 DEG C of exhausted temperature.
Lack of gas carry the by-product of reduction reaction in step 4), burn into incinerator, eliminate intractable by-product, and It releases energy.
Preferably, dewatered lack of gas enter reheater and are warming up to 300-600 DEG C in water vapor condenser in step 5)； Lack of gas are consistent with circulating air ingredient, are N2、SO2、COS、H2S、CS2、CO、H2、CO2、H2The mixture of O and sulphur steam etc..
Preferably, bag filter exports SO in step 5)2Concentration is lower than 30mg/Nm3, dust is lower than 5mg/Nm3。
A second object of the present invention is to provide one kind with H2S and petroleum coke are the device of raw materials recovery sulphur.
One kind is with H2S and petroleum coke are the device of raw materials recovery sulphur, by H2S incinerator, lack of gas incinerator, moving bed are also Former tower, sulfur recovery facility, exhaust gas cleaner composition；H2The outlet of bottom hybrid reaction gas and the moving bed of S incinerator restore Tower connection, sulfur recovery facility are followed successively by high-temperature filter, reheater, reaction Gas Cooler, sulfur condenser, sulphur from top to bottom Sulphur storage tank, moving bed restore tower gas vent connection high-temperature filter top, reheater lack of gas outlet respectively with lack of gas The top of incinerator, H2The lower part of S incinerator connects, and exhaust gas cleaner successively includes SO2Removing tower, deduster, chimney, sulphur Sulphur condenser and SO2Removing tower connection.
Preferably, moving bed reduction tower is divided into three layers from outside to inside and is followed successively by ring-shaped air chamber, petroleum coke particles layer, interior gas Room, ring-shaped air chamber are divide into upper part and lower part, and petroleum coke particles layer is annular, and the space that petroleum coke particles layer surrounds is interior gas chamber； Petroleum coke cooler is arranged in the lower part that moving bed restores tower, after reduction reaction remaining petroleum coke enter petroleum coke cooler into Row cooling.
Hybrid reaction gas is entered by the lower annular gas chamber of moving bed reduction tower, into annular petroleum coke particles layer, then Enter interior gas chamber across petroleum coke particles layer, the top of petroleum coke particles layer is moved in interior gas chamber, moves to the gas on top Body again passes through petroleum coke particles layer, into upper, annular gas chamber, enters sulfur recovery facility by ring-shaped air chamber.Moving bed reduction Contact of the hybrid reaction gas with petroleum coke particles can be improved in the internal structure of tower, improves SO2Conversion ratio.
Preferably, the lack of gas outlet connection water vapor condenser of sulfur condenser, the gas vent of water vapor condenser Reheater is connected, the condensation-water drain of water vapor condenser connects SO2Removing tower.
Preferably, air heat exchanger is arranged in the lower part of lack of gas incinerator, and the flue gas of lack of gas incinerator passes through air heat exchanger It exchanges heat, the air being heated in air heat exchanger respectively enters H2S incinerator and lack of gas incinerator are as combustion-supporting gas.
Beneficial effects of the present invention:
One kind proposed by the present invention is with H2S and petroleum coke are the device of raw materials recovery sulphur, using petroleum coke and H2S is burned The SO containing high concentration generated2High-temperature gas be raw material can be further using the high-sulfurs such as petroleum coke carbon-based material as reducing agent The cost of carbo-thermal process is reduced, and improves sulphur recovery efficiency, moving bed restores SO in tower2Conversion ratio is 90~98%, The sulphur yield difference 90~100% of entire Recovered sulphur device, sulfur purity reaches 99.7% or more, meets industrial sulphur one Equal product standard；
By accurately controlling carbothermic reduction reaction condition, H is realized2While the efficient improvement of S, sulphur resource utilization and Petroleum coke upgrading；Claus technique can be replaced to realize Sulphur ressourceization recycling, have a vast market application prospect；
In conjunction with lack of gas burning process, system waste heat recycling, while the waste that treatment process process generates are realized；
The three-decker of the moving bed reduction tower structure of the device of Recovered sulphur makes gas enter inside by outer, and by inside It is moved to outside, improves contact area and time of contact, improves reduction effect.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is one kind with H2S and petroleum coke are raw materials recovery sulphur flow sheet；
Wherein, 1, H2S incinerator, 2, lack of gas incinerator, 3, air heat exchanger, 4, moving bed restore tower, 5, petroleum coke it is cold But device, 6, high-temperature filter, 7, reheater, 8, reaction Gas Cooler, 9, sulfur condenser, 10, sulphur storage tank, 11, vapor Condenser, 12, SO2Removing tower, 13, deduster, 14, chimney, 15, upper, annular gas chamber, 16, lower annular gas chamber, 17, interior gas Room, 18, petroleum coke particles layer.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Below with reference to embodiment, the present invention is further described
Embodiment 1
One kind is with H2S and petroleum coke are the method for raw materials recovery sulphur, specific steps are as follows:
(1) by the H of enrichment2S is in H2It burns in S incinerator, generates 1200 DEG C of SO2The pyroreaction gas of concentration 15% Temperature is reduced to 800 DEG C after body, with circulating air mix and convert, enters moving bed later and restores tower.
(2) enter the SO in the hybrid reaction gas of moving bed reduction tower2Reduction reaction occurs with petroleum coke, does not restore The petroleum coke sulfur content of reaction is (4%)；Reaction temperature is 700 DEG C, gas-solid contact time 5s in tower, remaining petroleum after reaction Coke is cooled to 30 DEG C in petroleum coke cooler, by outlet lock gas batcher discharge after cooling, by outlet lock gas batcher discharge Petroleum coke sulfur content be (2.2%)；
(3) reaction gas that moving bed reduction tower reduction reaction obtains enters high-temperature filter filtering dust, using reheating After device, reaction Gas Cooler cooling, reaction gas is cooled to 130 DEG C in sulfur recovery facility, and sulphur becomes liquid from gaseous state, stream Enter the storage of sulphur storage tank；
(4) lack of gas for leaving sulfur recovery facility, which enter in water vapor condenser, to be condensed；In water vapor condenser Condensed water sprays into acid gas removal tower together with the sour gas being dissolved in water；Water vapor condenser exports exhausted temperature 70 DEG C, dewatered lack of gas enter reheater outer wall heat transferring medium case heat temperature raising in water vapor condenser, after heat temperature raising Exhausted temperature be 500 DEG C, reheater outer wall heat transferring medium case discharge heating after lack of gas be divided into circulating air and lack of gas；
(5) lack of gas derived from reheater enter in lack of gas incinerator and burn, and the flue-gas temperature after the burning of lack of gas incinerator is 700 DEG C, flue gas is discharged after air heater is exchanged heat, by SO2By chimney after removing tower and bag filter purification Discharge；The air being heated in air heater enters H2S incinerator and the combustion-supporting use of lack of gas incinerator, air are heated to 300℃。
Embodiment 2
H2The bottom hybrid reaction gas outlet of S incinerator 1 is connect with moving bed reduction tower 4, and sulfur recovery facility is arrived from above Under be followed successively by high-temperature filter 6, reheater 7, reaction Gas Cooler 8, sulfur condenser 9, sulphur storage tank 10, moving bed restore tower 4 gas vent connection high-temperature filter 6 top, reheater 7 lack of gas outlet respectively with the top of lack of gas incinerator 2, H2S The lower part of incinerator 1 connects, and exhaust gas cleaner successively includes SO2Removing tower 12, deduster 13, chimney 14, sulfur condenser 9 With SO2Removing tower 12 connects.
As shown in Figure 1, H2The furnace body of S incinerator 1 is set up vertically, and gas burner, H is arranged in top2The top of S incinerator 1 It is passed through high concentration H2S gas, H2The bottom of S incinerator 1 restores 4 lower annular gas chamber 16 of tower with moving bed by pipeline and connect； Petroleum coke particles are added by lock gas batcher above moving bed reduction tower 4, and the gas in moving bed reduction tower 4 successively flows process 18 space of petroleum coke particles layer between 16 space of lower annular gas chamber, lower annular gas chamber 16 and interior gas chamber 17, interior gas chamber 17 18 space of petroleum coke particles layer between space, interior gas chamber 17 and upper, annular gas chamber 15, into 15 space of upper, annular gas chamber And leave moving bed reduction tower 4；Petroleum coke after reaction enters the petroleum coke cooler 5 of moving bed reduction 4 lower part of tower, after cooling Petroleum coke by moving bed reduction 4 bottom of tower lock gas batcher be discharged.
H2The furnace interior of S incinerator is divided into two parts, and top is combustion section, and lower part is gas mixing portion.
Lack of gas incinerator and its back-end surfaces are made of burner, incinerator body and air heater, extremely by upstream Downstream is sequentially arranged, and air heater is gas heat exchanger.
The upper, annular gas chamber 15 of moving bed reduction tower 4 is connect with the top of high-temperature filter 6, and reaction gas passes through high temperature mistake Filter 6 filters dust, cools down using reheater 7, reaction Gas Cooler 8, sulfur condenser 9, Molten sulphur enters sulphur storage The lack of gas outlet of tank 10, sulfur condenser 9 is connect with water vapor condenser 11, and lack of gas are condensed by water vapor condenser 11, condensation The moisture to get off passes through pipeline and SO2Removing tower connection, the lack of gas that water vapor condenser 11 is discharged enter reheating by air-introduced machine The outer wall heat transferring medium case of device 7, lack of gas are heated by the reaction gas inside reheater 7, and the outer wall heat transferring medium case of reheater 7 passes through Pipeline is separately connected H2The top of S incinerator 1 middle and lower part and lack of gas incinerator 2；Circulating air pipeline is in H2It is blended into after S incinerator.
High-temperature filter 6 is cyclone separator, axis stream separator, stainless steel metal web filter, ceramic filter drum filter Or the combining form of a variety of separators.
Condensed water sprays into SO by water pump in water vapor condenser 112Removing tower 12.
Lack of gas into lack of gas incinerator 2 are burnt in lack of gas incinerator 2, and the flue gas after burning passes through lack of gas incinerator 2 The air heat exchanger 3 of lower part is discharged into SO2Air is added by pipeline in the outer wall heat transferring medium case of removing tower 12, air heat exchanger 3, Air after heating is respectively fed to H by pipeline by the outer wall heat transferring medium case of air heat exchanger 32S incinerator 1 and lack of gas are burned Furnace 2.
Into SO2Remaining SO in the flue gas removing flue gas of removing tower 122, successively pass through deduster 13 and chimney again later 14 are discharged into atmosphere.
The SO2Removing tower is circulating fluid bed semi-drying method desulfurizing tower, and the deduster is sack cleaner,.
SO2The rate of recovery of conversion ratio and sulphur:
Calculating process
SO2Conversion ratio is (SO2Average inlet concentration-SO2Average outlet concentration)/SO2Average inlet concentration * 100%, is followed Reaction gas SO after ring gas mix and convert2Concentration 7.5%, sulfur condenser export SO in lack of gas2Concentration 0.28%, SO2Conversion ratio 96.3%.
Sulfur recovery rate is sulphur recovery quality/burning H2Contained S element quality * 100% in S, device fortune in the example Row 5h, cofiring burn H2S amounts to 2.2kg, wherein S element quality 2.07kg, Recovered sulphur 2.02kg, sulfur recovery rate 97.1%. (the raised area is S migration gained in petroleum coke)
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (8)

1. one kind is with H2S and petroleum coke are the method for raw materials recovery sulphur, it is characterised in that: specific steps are as follows:
1) by the H of enrichment2S is in H2It burns in S incinerator, generation contains SO2High-temperature gas mixture, with reheater import follow The hybrid reaction gas obtained after ring gas mix and convert enters moving bed reduction tower；By the H of enrichment2The concentration of S is 60~80%, H2S is burnt The temperature for burning the pyroreaction gas that furnace generates is 1000-1500 DEG C；The SO contained2Concentration is 5-30%；Pyroreaction gas with follow Ring gas is with the temperature of the mixed hybrid reaction gas of volume ratio 1:1 for 600-1000 DEG C；Pyroreaction gas is N2、SO2、H2O's is mixed Close object；
2) enter the SO in the hybrid reaction gas of moving bed reduction tower2Reduction reaction, remaining petroleum after reaction occurs with petroleum coke Coke cools down in petroleum coke cooler, by outlet lock gas batcher discharge after cooling；Moving bed restores the sulfur-bearing of the petroleum coke of tower Amount is 3-7%, and the partial size of petroleum coke particles is 2-10mm；The temperature that moving bed restores the reduction reaction in tower is 600-1000 DEG C, the time of contact of hybrid reaction gas and petroleum coke is 2-8s；
3) reaction gas that moving bed reduction tower reduction reaction obtains enters high-temperature filter filtering dust, using reheater, instead Cooling in sulfur recovery facility after answering Gas Cooler to cool down, sulphur becomes liquid from gaseous state, flows into the storage of sulphur storage tank；
4) lack of gas for leaving sulfur recovery facility, which enter in water vapor condenser, to be condensed；Condensed water in water vapor condenser Together with the sour gas being dissolved in water, acid gas removal tower is sprayed into；Dewatered lack of gas enter in water vapor condenser Reheater outer wall heat transferring medium case heat temperature raising, the lack of gas after heat temperature raising are divided into circulating air and lack of gas；
5) lack of gas derived from reheater enter in lack of gas incinerator and burn, and the flue gas after the burning of lack of gas incinerator is heated by air Device is discharged after being exchanged heat, by SO2By smoke stack emission after removing tower and bag filter purification；It is heated in air heater Air enter H2S incinerator and the combustion-supporting use of lack of gas incinerator.
2. according to the method described in claim 1, it is characterized by: remaining petroleum coke passes through after reduction reaction in step 2) Petroleum coke cooler temperature after cooling is 20-50 DEG C；The sulfur content of remaining petroleum coke is 1-3% after reduction reaction.
3. according to the method described in claim 1, it is characterized by: reaction gas is cooled in sulfur condenser in step 3) 130-180 DEG C, reaction gas is separated into liquid-state sulfur and lack of gas；It is cold that the lack of gas that sulfur condenser exports in step 4) enter vapor Condenser, it is 50-90 DEG C that water vapor condenser, which exports exhausted temperature,.
4. according to the method described in claim 1, it is characterized by: dewatered lack of gas in water vapor condenser in step 5) 300-600 DEG C is warming up into reheater；Lack of gas are consistent with circulating air ingredient, are N2、SO2、COS、H2S、CS2、CO、H2、CO2、 H2The mixture of O and sulphur steam.
5. one kind is with H2S and petroleum coke are the device of raw materials recovery sulphur, it is characterised in that: by H2S incinerator, lack of gas incinerator, Moving bed restores tower, sulfur recovery facility, exhaust gas cleaner composition；H2The outlet of bottom hybrid reaction gas and shifting of S incinerator Dynamic bed reduction tower connection, sulfur recovery facility are followed successively by high-temperature filter, reheater, reaction Gas Cooler, sulphur from top to bottom Condenser, sulphur storage tank, moving bed restore the top of the gas vent connection high-temperature filter of tower, the lack of gas outlet point of reheater Not with the top of lack of gas incinerator, H2The lower part of S incinerator connects, and exhaust gas cleaner successively includes SO2Removing tower, deduster, Chimney, sulfur condenser and SO2Removing tower connection.
6. device according to claim 5, it is characterised in that: moving bed reduction tower is divided into three layers from outside to inside and is followed successively by ring Shape gas chamber, petroleum coke particles layer, interior gas chamber, ring-shaped air chamber are divide into upper part and lower part, and petroleum coke particles layer is annular, petroleum coke The space that granulosa surrounds is interior gas chamber；Petroleum coke cooler is arranged in the lower part that moving bed restores tower, remaining after reduction reaction Petroleum coke enters petroleum coke cooler and is cooled down.
7. device according to claim 5, it is characterised in that: the lack of gas outlet connection vapor condensation of sulfur condenser Device, the gas vent of water vapor condenser connect reheater, and the condensation-water drain of water vapor condenser connects SO2Removing tower.
8. device according to claim 5, it is characterised in that: air heat exchanger, lack of gas are arranged in the lower part of lack of gas incinerator The flue gas of incinerator passes through air heat exchanger heat exchange, and the air being heated in air heat exchanger respectively enters H2S incinerator and weary Gas incinerator is as combustion-supporting gas.
CN201810650868.4A 2018-06-22 2018-06-22 One kind is with H2S and petroleum coke are the device and method of raw materials recovery sulphur Active CN108706547B (en)

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