CN204233957U - A kind of novel sulfurizedization hydrogen waste gas pollution control and treatment system - Google Patents
A kind of novel sulfurizedization hydrogen waste gas pollution control and treatment system Download PDFInfo
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- CN204233957U CN204233957U CN201420633374.2U CN201420633374U CN204233957U CN 204233957 U CN204233957 U CN 204233957U CN 201420633374 U CN201420633374 U CN 201420633374U CN 204233957 U CN204233957 U CN 204233957U
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Abstract
The utility model provides a kind of novel sulfurizedization hydrogen waste gas pollution control and treatment system, comprises claus oven, one-level, secondary, three grades of steam generators, one-level, secondary, three grades of coolers, one-level, secondary, three grades of sulfur recovery devices, Claus conversion device, desulphurization plant, hydrogenation reactors; Pyrolytic reaction pipe is provided with in claus oven burner hearth, sour gas feeding line is connected with claus oven and pyrolytic reaction pipe respectively, claus oven is connected with secondary sulfur recovery device through one-level steam generator, one-level cooler, one-level sulfur recovery device, Claus conversion device, second steam generator, secondary coolers, and secondary sulfur recovery device is connected with hydrogenation reactor; Pyrolytic reaction Guan Jingsan level steam generator, three grades of coolers, three grades of sulfur recovery devices are connected with desulphurization plant, and desulphurization plant top exit is connected with the pipeline between hydrogenation reactor with secondary sulfur recovery device.System described in the utility model establishes pyrolytic reaction pipe in claus oven, can process sour gas without under hydrogen source, and can economize the not outer supplying heat source of heating furnace.
Description
Technical field
The utility model relates to environmental technology field, especially relates to a kind of novel sulfurizedization hydrogen waste gas pollution control and treatment system.
Background technology
H
2s is the pernicious gas of association in natural gas purification, petroleum refining, coking and coal gasification equal energy source process, must fully process, and prevents it from producing security incident and environmental pollution.Sulfur recovery facility is exactly to containing H
2the sour gas of S carries out process and Recovered sulphur, realizes cleaner production, turns waste into wealth, reduces the object of pollution and protection of the environment.
Up to now, the method generally adopted is claus process+claus tail-gas clean-up SCOT method, and basic procedure is as follows: be rich in H from desulfurizer
2sour gas and the appropriate air of S carry out partial combustion at claus oven, control air capacity and only reach H
21/3 of S is oxidized to SO
2; Then, SO
2with unoxidized H
2s enters 2 ~ 3 grades of converters containing catalyst together, makes H
2s and SO
2change into elemental sulfur, by sulfur condenser recovering liquid elemental sulfur, gas phase enters SCOT vent gas treatment part; From Cross unit tail gas out after on-line heating stove or reheater preheating, enter hydrogenation reactor and carry out hydrogenating reduction, again the Process Gas after hydrogenation is passed into downstream quench tower cooler, cooled Process Gas enters absorption tower desulfurization, desulfurization solvent is regenerated by regenerator, Process Gas after the desulfurization of absorption tower enters tail gas burning furnace and burns, finally by smoke stack emission.
Utility model content
In in tradition Crouse+SCOT technique, the online combustion furnace of configuration mainly contains two effects: one is that Process Gas is heated to hydrogenating reduction is temperature required, general more than 280 DEG C; Two is measure the reducibility gas burning and provide needed for hydrogenating reduction, as H by fuel gas Adam
2, CO etc.But there is following several respects problem in SCOT device actual moving process: first, because on-line heating stove requires that fuel burns under oxygen deprivation, thus very easily there is carbon distribution, hydrogenation reduction device can be caused to block and catalysqt deactivation if carbon distribution thing is deposited on beds; The second, due to the change of component such as COS in raw material and the change of claus oven operating condition, SO in Claus tail gases can be caused
2, the fluctuation of COS equal size, the SCOT device of thus having gone into operation at present all can not reach self hydrogen balance, needs outside hydrogen supply.
For the problems referred to above, researcher does a lot of work in hydrogenation reactor feeding preheating (i.e. the heating function of on-line heating stove), mainly contain following two classes: (1) researcher develops low temperature hydrogenation reducing catalyst, hydrogenation reactor inlet temperature is made to be reduced to about 220 DEG C, thus simplify the operation of hydrogenation preheating section, just can realize the preheating to hydrogenation reactor charging by means of only high steam heat exchange, thus online combustion furnace can not be used, reduce fuel consumption; (2) the flue gas heat heating Claus tail gases after utilizing tail gas burning furnace to burn to required hydrogenation reduction temperature, thus does not use online heating furnace to heat, and reduces fuel consumption.
Although these are operated in reduce serve important function in line oven fuel consumption, system still cannot meet hydrogen balance, still needs outside to provide hydrogen.For this reason, how to design one and can improve sulfur recovery unit operational efficiency, make device self just can reach the H of thermal balance and hydrogen balance
2s treatment system seems very crucial.
The purpose of this utility model is to provide a kind of novel sulfurizedization hydrogen waste gas pollution control and treatment system, the on-line heating stove before hydrogenation reduction device is cancelled under ensureing the prerequisite that claus tail-gas clean-up is qualified, do not need outside heat supply, hydrogen supply, make system more succinct, energy consumption is lower.
The utility model provides a kind of novel sulfurizedization hydrogen waste gas pollution control and treatment system, and described system comprises claus oven, one-level steam generator, one-level cooler, one-level sulfur recovery device, Claus conversion device, second steam generator, secondary coolers, secondary sulfur recovery device, three grades of steam generators, three grades of coolers, three grades of sulfur recovery devices, hydrogenation reactors, pyrolytic reaction pipe is provided with in described claus oven burner hearth, sour gas feeding line divides two-way, one tunnel is connected with claus oven entrance, another road is connected with pyrolytic reaction tube inlet, the described sour gas feeding line be connected with claus oven entrance is provided with combustion-supporting gas pipeline, claus oven outlet is through one-level steam generator, one-level cooler is connected with one-level sulfur recovery device, one-level sulfur recovery device upper end outlet is successively through Claus conversion device, second steam generator, secondary coolers is connected with secondary sulfur recovery device, secondary sulfur recovery device upper end outlet is connected with hydrogenation reactor through pipeline, the outlet of pyrolytic reaction pipe is connected with three grades of sulfur recovery devices through three grades of steam generators, three grades of coolers, and three grades of sulfur recovery device upper end outlet are connected with the pipeline between hydrogenation reactor with secondary sulfur recovery device.
In Acidic Gas Treating system described in the utility model, between the outlet of pyrolytic reaction pipe and three grades of steam generator connecting pipe lines, heat exchanger is set, when being provided with heat exchanger, secondary sulfur recovery device upper end outlet is connected with hydrogenation reactor through heat exchanger, and three grades of sulfur recovery device upper end outlet are connected with the pipeline between heat exchanger with secondary sulfur recovery device.
In Acidic Gas Treating system described in the utility model, described pyrolytic reaction pipe can arrange one or some, pyrolytic reaction pipe is uniform along claus oven cylinder inboard wall circumference, can be single channel or multichannel straight tube horizontal reciprocating arrangement, or single channel or the reciprocal stagger arrangement arrangement of multichannel straight tube.
In Acidic Gas Treating system described in the utility model, in described pyrolytic reaction pipe pipe, be filled with quartz plate or porous ceramics.
In Acidic Gas Treating system described in the utility model, described claus oven process conditions are, reaction temperature is 1300 ~ 1500 DEG C, reaction pressure 0.1 ~ 2.0MPa.
In Acidic Gas Treating system described in the utility model, hydrogenation reactor outlet line is connected with quench tower.
In Acidic Gas Treating system described in the utility model, the combustion-supporting gas in described combustion-supporting gas pipeline is air, oxygen-enriched air, oxygen enrichment, one or more in pure oxygen, is preferably oxygen enrichment or pure oxygen.
In Acidic Gas Treating system described in the utility model, described sour gas can be the sulfide hydrogen waste gas of the discharge such as oil plant, Gas Purification Factory, and in described waste gas, hydrogen sulfide content is 20% ~ 100%
Acidic Gas Treating system described in the utility model, claus oven is improved, pyrolytic reaction pipe is set in claus oven, sour gas is made to divide two bursts of chargings, first strand of sour gas claus process conveniently processes, second strand of sour gas enters pyrolytic reaction pipe, the first strand of sour gas absorbed in claus oven burns after the heat that discharges and pyrolysis occurs, generate elemental sulfur and hydrogen, hydrogen may be used for claus tail-gas clean-up in hydrogenation reactor, can be outer for hydrogen, the Acidic Gas Treating in the situation of no hydrogen source can be solved.By arranging heat exchanger, utilize the more high-grade energy of pyrolytic reaction pipe Process Gas out to heat Claus tail gases, thus it is temperature required to make it reach hydrogenation reduction, and owing to all existing with gas phase in pyroprocess gas, thus corrosion can not be produced by heat exchanger, the on-line heating stove in common process can be saved, need not outer supplying heat source.
Accompanying drawing explanation
Fig. 1 is Acidic Gas Treating system process figure described in the utility model.
Detailed description of the invention
The invention provides a kind of Acidic Gas Treating system, described system comprises in claus oven 1, described claus oven burner hearth and is provided with pyrolytic reaction pipe 2, one-level steam generator 4, one-level cooler 5, one-level sulfur recovery device 6, Claus conversion device 7, second steam generator 8, secondary coolers 9, secondary sulfur recovery device 10, heat exchanger 3, three grades of steam generators 11, three grades of coolers 12, three grades of sulfur recovery devices 13, hydrogenation reactors 15; Sour gas suction line divides two-way, be connected with claus oven entrance after one tunnel 17 and combustion-supporting gas pipeline 16 mix, another road 18 is connected with pyrolytic reaction tube inlet, claus oven outlet is connected with one-level sulfur recovery device 6 through one-level steam generator 4, one-level cooler 5, one-level sulfur recovery device upper end outlet is connected with secondary sulfur recovery device 10 with one-level Claus conversion device 7, second steam generator 8, secondary coolers 9 successively, and secondary sulfur recovery device upper end outlet is connected with hydrogenation reactor 15 through heat exchanger 3; The outlet of pyrolytic reaction pipe is connected with three grades of sulfur recovery devices 13 through heat exchanger 3, three grades of steam generators 11, three grades of coolers 12, and three grades of sulfur recovery device upper end outlet are connected with the pipeline between heat exchanger 3 with secondary sulfur recovery device 10.
Composition graphs 1, employing Acidic Gas Treating system process sour gas technique described in the utility model is further described, wherein, claus oven 1 is entered after the appropriate oxygen-enriched air that first via sour gas enters through sour gas suction line 17 and combustion-supporting gas pipeline 16 or pure oxygen mix, partial combustion reaction in claus oven 1, the temperature controlled in claus oven 1 is 1300 ~ 1500 DEG C, second road sour gas enters pyrolytic reaction pipe 2 through sour gas suction line 18, under first via sour gas combustion reaction liberated heat, there is hydrogen sulfide pyrolytic reaction produce sulphur and hydrogen, the Process Gas that claus oven produces enters one-level steam generator 4 through outlet, heat energy can be reclaimed and produce high steam, after one-level cooler 5, recovering liquid sulphur 19 in one-level sulfur recovery device 6 is entered through condensed Process Gas, gas phase enters Claus conversion device 7, make H
2s and SO
2reaction generates elemental sulfur, from Claus conversion 7 Process Gas out after second steam generator 8, secondary coolers 9, enter the further recovering liquid sulphur 20 of secondary sulfur recovery device 10, Claus tail gases enters hydrogenation reactor 15 from secondary sulfur recovery device 10 top exit after the gas phase heat exchange that heat exchanger and pyrolytic reaction pipe are discharged, after heat exchanger 3 heat exchange, three grades of steam generators, 11, three grades of coolers 12 are entered from pyrolytic reaction pipe 2 Process Gas out, again by three grades of sulfur recovery device 13 recovering liquid sulphur 14, after the gas that three grades of sulfur recovery devices are discharged mixes with the Claus tail gases that secondary sulfur recovery device is discharged, and deliver to hydrogenation reactor 15 hydrogenation reduction occurs after heat exchanger 3 heat exchange heats up, make the SO in Process Gas
2, COS etc. becomes H
2s, hydrogenating reduction gas is delivered to quench tower device through pipeline 21 and is processed further.
Claims (9)
1. a sulfide hydrogen waste gas pollution control and treatment system, described system comprises claus oven, one-level steam generator, one-level cooler, one-level sulfur recovery device, Claus conversion device, second steam generator, secondary coolers, secondary sulfur recovery device, three grades of steam generators, three grades of coolers, three grades of sulfur recovery devices, hydrogenation reactors, pyrolytic reaction pipe is provided with in described claus oven burner hearth, sour gas feeding line divides two-way, one tunnel is connected with claus oven entrance, another road is connected with pyrolytic reaction tube inlet, the described sour gas feeding line be connected with claus oven entrance is provided with combustion-supporting gas pipeline, claus oven outlet is through one-level steam generator, one-level cooler is connected with one-level sulfur recovery device, one-level sulfur recovery device upper end outlet is successively through Claus conversion device, second steam generator, secondary coolers is connected with secondary sulfur recovery device, secondary sulfur recovery device upper end outlet is connected with hydrogenation reactor through pipeline, the outlet of pyrolytic reaction pipe is connected with three grades of sulfur recovery devices through three grades of steam generators, three grades of coolers, and three grades of sulfur recovery device upper end outlet are connected with the pipeline between hydrogenation reactor with secondary sulfur recovery device.
2. according to system according to claim 1, it is characterized in that: between described pyrolytic reaction pipe outlet and three grades of steam generator connecting pipe lines, heat exchanger is set.
3. according to system according to claim 2, it is characterized in that: described secondary sulfur recovery device upper end outlet is connected with hydrogenation reactor through heat exchanger.
4. according to system according to claim 2, it is characterized in that: described three grades of sulfur recovery device upper end outlet are connected with the pipeline between heat exchanger with secondary sulfur recovery device.
5. according to system according to claim 1, it is characterized in that: described pyrolytic reaction pipe arranges one or some.
6. according to the system described in claim 1 or 5, it is characterized in that: described pyrolytic reaction pipe is uniform along claus oven cylinder inboard wall circumference, specifically single channel or multichannel straight tube horizontal reciprocating arrangement, or single channel or the reciprocal stagger arrangement arrangement of multichannel straight tube.
7. according to system according to claim 1, it is characterized in that: in described pyrolytic reaction pipe pipe, be filled with quartz plate or porous ceramic film material.
8. according to system according to claim 1, it is characterized in that: hydrogenation reactor outlet line is connected with quench tower.
9. according to system according to claim 1, it is characterized in that: described desulphurization plant is one or more in absorption tower, high-gravity rotating bed, cyclone separator.
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| CN201420633374.2U CN204233957U (en) | 2014-10-30 | 2014-10-30 | A kind of novel sulfurizedization hydrogen waste gas pollution control and treatment system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9370745B2 (en) | 2013-04-24 | 2016-06-21 | Jiangsu New Century Jiangnan Environmental Protection Co., Ltd | Flue gas-treating method and apparatus for treating acidic tail gas by using ammonia process |
| US10016721B1 (en) | 2017-05-25 | 2018-07-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desufurization process and apparatus |
| US10092877B1 (en) | 2017-05-25 | 2018-10-09 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10099170B1 (en) | 2017-06-14 | 2018-10-16 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
| US10112145B1 (en) | 2017-09-07 | 2018-10-30 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US20190001267A1 (en) | 2017-07-03 | 2019-01-03 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10207220B2 (en) | 2017-03-15 | 2019-02-19 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
| US10953365B2 (en) | 2018-07-20 | 2021-03-23 | Jiangnan Environmental Protection Group Inc. | Acid gas treatment |
| US11027234B2 (en) | 2018-04-13 | 2021-06-08 | Jiangnan Environmental Protection Group Inc. | Oxidization of ammonia desulfurization solution |
| US11224838B2 (en) | 2019-12-26 | 2022-01-18 | Jiangnan Environmental Protection Group Inc. | Controlling aerosol production during absorption in ammonia-based desulfurization |
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2014
- 2014-10-30 CN CN201420633374.2U patent/CN204233957U/en active Active
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9370745B2 (en) | 2013-04-24 | 2016-06-21 | Jiangsu New Century Jiangnan Environmental Protection Co., Ltd | Flue gas-treating method and apparatus for treating acidic tail gas by using ammonia process |
| US10207220B2 (en) | 2017-03-15 | 2019-02-19 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
| US10675584B2 (en) | 2017-03-15 | 2020-06-09 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
| US10413864B2 (en) | 2017-03-15 | 2019-09-17 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
| US10406477B2 (en) | 2017-03-15 | 2019-09-10 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
| US10213739B2 (en) | 2017-05-25 | 2019-02-26 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10406478B2 (en) | 2017-05-25 | 2019-09-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
| US10016721B1 (en) | 2017-05-25 | 2018-07-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desufurization process and apparatus |
| US10561982B2 (en) | 2017-05-25 | 2020-02-18 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
| US10343110B2 (en) | 2017-05-25 | 2019-07-09 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10471383B2 (en) | 2017-05-25 | 2019-11-12 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10092877B1 (en) | 2017-05-25 | 2018-10-09 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10399033B2 (en) | 2017-05-25 | 2019-09-03 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
| US10413865B2 (en) | 2017-05-25 | 2019-09-17 | Jiangnan Enviromental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
| US10583386B2 (en) | 2017-06-14 | 2020-03-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
| US10099170B1 (en) | 2017-06-14 | 2018-10-16 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
| US10159929B1 (en) | 2017-06-14 | 2018-12-25 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
| US10589212B2 (en) | 2017-06-14 | 2020-03-17 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
| US10561984B2 (en) | 2017-07-03 | 2020-02-18 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US20190001267A1 (en) | 2017-07-03 | 2019-01-03 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10618001B2 (en) | 2017-07-03 | 2020-04-14 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10556205B2 (en) | 2017-07-03 | 2020-02-11 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10421040B2 (en) | 2017-07-03 | 2019-09-24 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10427097B2 (en) | 2017-07-03 | 2019-10-01 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10112145B1 (en) | 2017-09-07 | 2018-10-30 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US10449488B2 (en) | 2017-09-07 | 2019-10-22 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US10357741B2 (en) | 2017-09-07 | 2019-07-23 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US10369517B2 (en) | 2017-09-07 | 2019-08-06 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US11027234B2 (en) | 2018-04-13 | 2021-06-08 | Jiangnan Environmental Protection Group Inc. | Oxidization of ammonia desulfurization solution |
| US10953365B2 (en) | 2018-07-20 | 2021-03-23 | Jiangnan Environmental Protection Group Inc. | Acid gas treatment |
| US11529584B2 (en) | 2018-07-20 | 2022-12-20 | Jiangnan Environmental Protection Group Inc. | Acid gas treatment |
| US11224838B2 (en) | 2019-12-26 | 2022-01-18 | Jiangnan Environmental Protection Group Inc. | Controlling aerosol production during absorption in ammonia-based desulfurization |
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