CN205560784U - Four unification sulfur recovery waste heat utilization processing apparatus - Google Patents
Four unification sulfur recovery waste heat utilization processing apparatus Download PDFInfo
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- CN205560784U CN205560784U CN201620060030.6U CN201620060030U CN205560784U CN 205560784 U CN205560784 U CN 205560784U CN 201620060030 U CN201620060030 U CN 201620060030U CN 205560784 U CN205560784 U CN 205560784U
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- process gas
- waste heat
- steam superheater
- heat boiler
- condensate cooler
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- 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
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- 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
Abstract
The utility model discloses a four unification sulfur recovery waste heat utilization processing apparatus, by burning burning furnace, steam superheater, exhaust -heat boiler, condensate cooler and chimney combination constitute, the acid gas entry linkage of combustor burns burning furnace, the export of burning burning furnace is direct continuous with steam superheater, steam superheater's the other end is direct continuous with exhaust -heat boiler, exhaust -heat boiler's process gas export is connected through the process gas entry of pipeline with the condensate cooler, the export of condensate cooler process gas is through the pipe connection chimney. Acid gas in the sulfur recovery fully burns through burning burning furnace, and the process gas of formation carries out waste heat recovery through steam superheater and exhaust -heat boiler, passes through the reentrant condensate cooler of process gas after the heat recovery, gets off condensation in the sulphur steam follow process gas to the form of liquid sulphur is isolated from process gas, accords with the tail gas that discharges the requirement at last and directly sends into the smoke stack emission. The utility model provides the high rate of recovery of sulphur has reduced the pollution, has realized energy -concerving and environment -protectively.
Description
One, technical field
This utility model belongs to the sulfur recovery tail gas treatment technology of distillation system, is specifically related to a kind of sulphur recovery residual heat utilization treatment device.
Two, background technology
The effect of sulfur recovery facility is exactly that the sour gas containing hydrogen sulfide produced in oil refining process is used suitable process Recovered sulphur, it is achieved cleaning produces, and reaches to turn harm into good, turns waste into wealth, and reduces and pollutes, the purpose of protection environment.But, the tail gas after sulphur recovery still contains the harmful substances such as sulfur, it is impossible to be directly discharged in air.The most conventional exhaust gas treating method is direct oxidation method, although technically reliable, technique is more ripe, but total sulfur recovery is the highest.
Three, summary of the invention
This utility model is aiming at the deficiencies in the prior art, it is provided that a kind of four-in-one sulphur recovery residual heat utilization treatment device, to reach energy-conserving and environment-protective, improves the purpose of sulfur recovery rate.
The technical solution adopted in the utility model is: four-in-one sulphur recovery residual heat utilization treatment device is made up of the combination of incinerator, steam superheater, waste heat boiler, condensate cooler and chimney, the sour gas entrance of burner connects incinerator, the outlet of incinerator is directly connected with steam superheater, the other end of steam superheater is directly connected with waste heat boiler, the Process Gas outlet of waste heat boiler is connected with the Process Gas entrance of condensate cooler by pipeline, and the outlet of condensate cooler Process Gas connects chimney by pipeline.
Work process: sour gas is fully burnt by incinerator, subsequent process gas carries out waste heat recovery by steam superheater and waste heat boiler, produce superheated steam and saturated vapor, Process Gas enters condensate cooler afterwards, sulfur steam is condensed out from Process Gas, separating from Process Gas with the form of liquid sulfur, the tail gas finally meeting discharge standard is sent directly into smoke stack emission.Thus reach energy-conserving and environment-protective, the purpose turned waste into wealth.
Incinerator is by combustor, bar for line, refractory liner and tracery wall composition.Its operation principle, the air of excess it is filled with in combustor, with fuel gas tail gas heating to uniform temperature, H2S therein and sulfide is made to be converted into SO2, wherein the structure of tracery wall piled up by many cylinder shape refractory brick of common structure form change into employing center integral edge in bulk pile up form, center monoblock type refractory brick gas passage is by 10 apertures, and middle macropore composition.So that combustor and tracery wall Flow Field Distribution are more uniform, it are finally reached the impact reduced combustion chamber lining, improve the purpose of Flow Field Distribution at combustor exit.
Steam superheater is mainly made up of heating surface, casing and lining.Wherein heating surface uses coiled.By some, also connecting tube and air inlet-outlet-housing form.It has the pipe group than comparatively dense, is arranged in flue, and horizontal and vertical by flue gas washes away.Flue gas transfers heat to pipe, also some radiation absorption heat the most by convection, so that the steam in Guan Shu reaches superheated steam.The upper shed of air inlet-outlet-housing cylinder uses draw to form in this device, and such bend pipe is the formation of structure continuous print banjo fixing butt jointing form with the connection of header, can bear bigger dead load and dynamic loading.And the type of attachment of the bend pipe generally used and header is bend pipe plug-in type or riding, after the angle welding pressure-bearing so formed, angle welding and surrounding stress state complexity thereof and also concentrate, running easily produces leakage.It addition, the banjo fixing butt jointing of header and bend pipe can carry out ray detection, further ensure that workmanship.
Waste heat boiler is made up of drum, down-comer, drum, is supported by tedge and a stay tube between drum and drum.Wherein barrel structure form is horizontal flexible fixed tube sheet shell-and-tube boiler.Owing to this fixed tube sheet shell-and-tube boiler tube side is passed by journey gas, it is typically under high-temperature and high-pressure conditions at high-temperature gas import department hot junction tube sheet, pressure should be born, bear high temperature again, the impact of high-speed gas and abrasion, therefore to consider to make tube sheet both ensure some strength during design comprehensively, and thermograde is little, there is flexibility, the areal area of tube bank to ensure there are enough annular spaces between the edge of tube bank and housing, make steam water interface flowing unimpeded, in order to reduce the temperature difference in outside in tube sheet, outside tube sheet, lay insulated lining.Additionally, the stove Connection Joint of Tubes and Tube Sheets of waste heat boiler and tube sheet directly bear high-temperature flue gas and wash away, owing to flue gas containing substantial amounts of H2S, H2, SO2 gas, when medium temperature is more than 240 DEG C, will produce the corrosion of high temperature vulcanized thing to material, and when temperature is more than or equal to 371 DEG C, corrosion rate quickly increases along with the rising of temperature.Therefore, tube head temperature to be controlled within the temperature range of material high temperature resistance sulfidation corrosion allows, tube sheet and the jointing of boiler tube use double porcelain protection sleeve structure protect.Have an advantage in that: when using single porcelain bushing shell; there is, at tube sheet end refractory lining nexine contact section part, " Wen Gu " district that a temperature is minimum in porcelain tube surfaces externally and internally temperature; will appear from bigger temperature stress in this region, and porcelain tube at this is cut short, so that protection structural failure.When using double porcelain bushing shell structure, temperature distributing rule changes significantly, and Wen Gu position elapses the end of external ceramic ring, and, the low-temperature values of Wen Gu becomes mild, and increases with the length of external ceramic ring and become more mild, thus avoids porcelain tube abscission ring.Inside steam drum uses segregation apparatus in advanced and mature pot, it is ensured that Steam-water Quality meets GB/T12145-2008 standard.Self-loopa form is used between drum and drum, the high-temperature tail gas passed over from steam superheater carries out heat exchange with the water in drum, when water absorbs the heat of tail gas, just have water constantly to become steam and arrive drum through tedge, steam in drum carries out steam-water separation through water separator and continuous blow off equipment, the steam obtaining high-quality is utilized, water after separation is in down-comer comes back to drum, define the Natural Circulation of water, thus reach the purpose of waste heat recycling.
Condensate cooler is horizontal fixed tube sheet shell-and-tube reboiler form, by front header, housing and rear header composition.Rear header is designed to chuck form, in order to separated from Process Gas by molten sulfur.The tail gas condensed cooler front header gas inlet passed over from waste heat boiler enters in heat exchanger tube, carries out heat exchange with the water in housing, makes the sulfur steam in tail gas be condensed into molten sulfur and exits into sulfur recovery tank from the outlet of rear header molten sulfur.Thus reached the further recovery of sulfur.It addition, this condensate cooler shell side selects reboiler form to be to increase gas-phase space, the heat of recovery is used for low-pressure steam or preboiler feedwater.
Compared with traditional sulphur recovery residual heat utilization treatment device, this utility model has the advantage that
(1) in tail gas burning furnace the structure of tracery wall use center integral edge in bulk pile up form, do not only reach and made gas be sufficiently mixed, combustion even, improve and indoor temperature of stably burning, reaction gas flow is made to have a stable reaction compartment being fully contacted, air-flow is made to enter steam superheater as homogeneously as possible, stop and separate the solid particle carried in gas, prevent solid particle from subsequent operation causing the purpose of big impact, make combustor and tracery wall Flow Field Distribution more uniform simultaneously, decrease the impact to combustion chamber lining, improve Flow Field Distribution at combustor exit.
(2) superheated steam produced by steam superheater and waste heat boiler or saturated vapor, a part can be as sour gas preheater or air preheater thermal source, and remaining can send into steam pipe system after mediation valve reduces pressure.It addition, the waste heat boiler with drum of this self-loopa to have heat exchange area big, run and easy to maintenance, and the advantage such as floor space is little.
(3) the flexible tube sheet of waste heat boiler uses stress analysis to be designed technology, improves tube sheet reliability in running.Meanwhile, boiler tube and the welding point of tube sheet use double porcelain bushing shell protection structure, greatly reduce the corrosion of high temperature vulcanized thing Welded Joints.
(4) four-in-one sulphur recovery residual heat utilization treatment device increases condensate cooler and further increase the response rate of sulfur, the highest utilization rate of heat.
(5) incinerator uses single flow mounting means, compact conformation with steam superheater and waste heat boiler, decreases installing space.
The tail gas that the harmful gass such as the sour gas produced during crude refining produce after a series of desulfurization conversion, again through this be suitable for novel in incinerator the most fully burn, make toxic and harmful decompose further, desulfurization, the heat produced in burning process is recycled by steam superheater and waste heat boiler and condensate cooler simultaneously, improve the response rate of sulfur, decrease the discharge capacity of pollutant, reach energy-conserving and environment-protective, the purpose turned waste into wealth.
It is many that this utility model has adaptation condition, and environmental requirement is high, the feature of compact conformation.
Four, accompanying drawing explanation
Fig. 1 is that this is suitable for novel structural representation；
Fig. 2 is the cross section structure schematic diagram of tracery wall；
Fig. 3 is the amplification of I portion, i.e. header opening and the pipe connecting flange attachment structure schematic diagram of Fig. 1；
Fig. 4 is double porcelain protection sleeve structure schematic diagram that in waste heat boiler, tube sheet is connected with boiler tube.
Five, detailed description of the invention
Four-in-one sulphur recovery residual heat utilization treatment device is made up of the combination of incinerator 1, steam superheater 2, waste heat boiler 3, condensate cooler 4 and chimney 5, the sour gas entrance of burner connects incinerator 1, the outlet of incinerator 1 is directly connected with steam superheater 2, the other end of steam superheater 2 is directly connected with waste heat boiler 3, the Process Gas outlet of waste heat boiler 3 is connected with the Process Gas entrance of condensate cooler 4 by pipeline, and the outlet of condensate cooler 4 Process Gas connects chimney 5 by pipeline.Incinerator 1 is made up of combustor, bar for line, refractory liner, is provided with that tracery wall 1-1, tracery wall 1-1 use that center is overall, edge is in bulk piles up form in combustor.Steam superheater 2 is made up of heating surface, casing and lining, wherein heating surface is formed by some and connecting tube 2-1 and air inlet-outlet-housing 2-2, air inlet-outlet-housing 2-2 cylinder upper shed uses draw to form, and such bend pipe is the formation of structure continuous print banjo fixing butt jointing form with the connection of header.Waste heat boiler 3 is made up of drum, down-comer, drum, wherein has tube sheet 3-1, boiler tube 3-2 and refractory liner 3-3, the jointing of tube sheet 3-1 and boiler tube 3-2 to use the double porcelain protection sleeve structure being made up of interior porcelain bushing shell 3-4 and outer porcelain bushing shell 3-5 in drum.
Claims (4)
1. a four-in-one sulphur recovery residual heat utilization treatment device, it is characterized in that: it is by incinerator (1), steam superheater (2), waste heat boiler (3), condensate cooler (4) and chimney (5) combination are constituted, the sour gas entrance of burner connects incinerator (1), the outlet of incinerator (1) is directly connected with steam superheater (2), the other end of steam superheater (2) is directly connected with waste heat boiler (3), the Process Gas outlet of waste heat boiler (3) is connected by the Process Gas entrance of pipeline with condensate cooler (4), the outlet of condensate cooler (4) Process Gas connects chimney (5) by pipeline.
Four-in-one sulphur recovery residual heat utilization treatment device the most according to claim 1, it is characterized in that: incinerator (1) is made up of combustor, bar for line, refractory liner, being provided with tracery wall (1-1) in combustor, what tracery wall (1-1) employing center entirety, edge were in bulk piles up form.
Four-in-one sulphur recovery residual heat utilization treatment device the most according to claim 1, it is characterized in that: steam superheater (2) is made up of heating surface, casing and lining, wherein by some, also connecting tube (2-1) and air inlet-outlet-housing (2-2) form heating surface, air inlet-outlet-housing (2-2) cylinder upper shed uses draw to form, and bend pipe forms structure continuous print banjo fixing butt jointing form with the connection of header.
Four-in-one sulphur recovery residual heat utilization treatment device the most according to claim 1; it is characterized in that: waste heat boiler (3) is made up of drum, down-comer, drum; tube sheet (3-1), boiler tube (3-2) and refractory liner (3-3), tube sheet (3-1) is wherein had to use, with the jointing of boiler tube (3-2), the double porcelain protection sleeve structure being made up of interior porcelain bushing shell (3-4) and outer porcelain bushing shell (3-5) in drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060030.6U CN205560784U (en) | 2016-01-22 | 2016-01-22 | Four unification sulfur recovery waste heat utilization processing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620060030.6U CN205560784U (en) | 2016-01-22 | 2016-01-22 | Four unification sulfur recovery waste heat utilization processing apparatus |
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| CN205560784U true CN205560784U (en) | 2016-09-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110734A (en) * | 2018-11-07 | 2019-01-01 | 宁波中科远东催化工程技术有限公司 | Utilize the method for sulfide containing material relieving haperacidity |
| CN111853828A (en) * | 2019-04-25 | 2020-10-30 | 川崎重工业株式会社 | Exhaust gas guide-out nozzle |
| CN112648599A (en) * | 2020-11-27 | 2021-04-13 | 山西焦化股份有限公司 | Method for prolonging service life of internal structure of waste boiler of sulfur production furnace |
-
2016
- 2016-01-22 CN CN201620060030.6U patent/CN205560784U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110734A (en) * | 2018-11-07 | 2019-01-01 | 宁波中科远东催化工程技术有限公司 | Utilize the method for sulfide containing material relieving haperacidity |
| CN111853828A (en) * | 2019-04-25 | 2020-10-30 | 川崎重工业株式会社 | Exhaust gas guide-out nozzle |
| CN112648599A (en) * | 2020-11-27 | 2021-04-13 | 山西焦化股份有限公司 | Method for prolonging service life of internal structure of waste boiler of sulfur production furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |