CN102012034A - Multifunctional exhaust incinerator for sulfur recovery facility - Google Patents
Multifunctional exhaust incinerator for sulfur recovery facility Download PDFInfo
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- CN102012034A CN102012034A CN 201010574594 CN201010574594A CN102012034A CN 102012034 A CN102012034 A CN 102012034A CN 201010574594 CN201010574594 CN 201010574594 CN 201010574594 A CN201010574594 A CN 201010574594A CN 102012034 A CN102012034 A CN 102012034A
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- tail gas
- inlet pipe
- burning furnace
- cooling air
- sulphur
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Abstract
The invention relates to a multifunctional exhaust incinerator for a sulfur recovery facility, belonging to the field of industrial sulfur exhaust recovery facilities. The multifunctional exhaust incinerator comprises an exhaust incinerator, wherein the front end of the inner cavity of the exhaust incinerator is a burning section, and the back end is a mixing section; the front end of the exhaust incinerator is provided with a burner assembly which is communicated with the burning section; and the tail end of the exhaust incinerator is connected with heat-exchange equipment. The invention is characterized in that the side wall at the front part of the burning section of the exhaust incinerator is provided with a sulfur exhaust inlet pipe assembly which is communicated with the burning section; and the side wall of the mixing section is provided with a cooling air inlet pipe assembly which is communicated with the mixing section. The multifunctional exhaust incinerator in the invention has the advantages of simple structure, and high safety and reliability, and is convenient to use and operate. When the incinerator is in normal state, acid gas is directly introduced into the exhaust incinerator to be burnt, so that the exhaust incinerator can be used for burning residual sulfides, H2 and hydrocarbons in the sulfur-making exhaust. Thus, the exhaust incinerator also has the advantage of multiple functions.
Description
Technical field
The invention belongs to industrial sulphur device for recovering tail gas field, be specifically related to the multi-functional tail of a kind of sulfur recovery facility
The gas incinerator.
Background technology
At present, the tail gas burning furnace of sulfur recovery facility, its function only is under 600-800 ℃ normal running temperature, sulfide residual in the system sulphur tail gas after purifying is burned generate SO
2, remaining H
2Become H with hydrocarbon fuel
2O and CO
2, after the high-temperature flue gas after the burning reclaimed heat through other heat transmission equipments, flue-gas temperature was reduced to about 300 ℃ and is entered atmosphere by chimney, its function singleness.
Accident condition emergency blow-down in production process, and open, the stoppage period is when needing interim discharging sour gas, generally adopts dual mode to handle: 1, sour gas to be entered ad hoc sour gas flare system and burn.2, setting up a cover burned waste gas system in device burns.
In the production practices of enterprise practical, find; first kind of mode has problems and be: general flare system distance means is far away; pipeline is longer; only accident condition emergency blow-down and shutting down are used period temporarily in process of production owing to this device; do not use under the normal operating state; therefore, after using, whole system must purge and the inflated with nitrogen protection with nitrogen temporarily.Otherwise, can cause the corrosion of system equipments such as pipeline, if contain ammonia in the sour gas, also can cause the crystallization of ammonia salt, cause native system (particularly valve) ammonia salt corrosion and obstruction, flare system can't be used.In addition, set up a cover sour gas flare system specially, invest higherly, usual, so strengthened the production cost of enterprise because system's nitrogen filled protection also improves the maintenance cost of my equipment.
Second way existing problems are: though waste gas combustion furnace is the negative pressure stove, be subjected to the influence of unstable period and local meteorological condition, when burning high concentration hydrogen sulfide gas, the accident that sour gas leaks might occur, in case leak, will constitute a threat to personal security and environmental pollution.In addition, waste gas combustion furnace is in heat for a long time and is equipped with state, and the fuel gas of consumption is a no small expenditure, invest higherly, can have a negative impact to operation, the maintenance cost of installing.
Summary of the invention
The objective of the invention is to solve the emergency blow-down of production accident state, and open, the stoppage period is when needing interim discharging sour gas, need set up flare system or burned waste gas system, has potential safety hazard and Operation and Maintenance cost problem.Cancellation flare system or burned waste gas system make device under normal condition, can realize residual sulfide and remaining H in the tail gas burning furnace burning system sulphur tail gas
2And hydro carbons.Promptly when at accident condition emergency blow-down and the interim discharging of shutting down need in period sour gas, directly sour gas is introduced tail gas burning furnace
Internal combustion makes its tail gas burning furnace possess the multi-functional tail gas burning furnace of sulfur recovery facility of multiple function.
For achieving the above object, the present invention is achieved by the following technical solutions:
It is the multi-functional tail gas burning furnace of a kind of sulfur recovery facility, comprise tail gas burning furnace, the inner chamber front end of tail gas burning furnace is a burning zone, the rear end is a mixer, the front end setting of tail gas burning furnace and the burner assembly of burning zone UNICOM, the tail end and the heat transmission equipment of tail gas burning furnace link, and the present technique main points are the sidewall setting of front portion, tail gas burning furnace burning zone position and the tail gas of sulphur inlet pipe assembly of burning zone UNICOM, and mixer position sidewall is provided with the cooling air inlet pipe assembly of UNICOM with it.
The tail gas burning furnace of described tail gas of sulphur inlet pipe assembly bottom is provided with the tail gas of sulphur distributor pipe more than 1, and the tail gas of sulphur distributor pipe recedes on tail gas burning furnace, and and tail gas of sulphur inlet pipe assembly between be acuter angles.
Cooling air-distribution pipe more than 1 is set on the tail gas burning furnace of described cooling air inlet pipe module position, and cooling air-distribution pipe recedes on tail gas burning furnace, and and cooling air inlet pipe assembly between be acuter angles.This cooling air inlet pipe assembly is followed successively by nature cooling air inlet pipe, manual modulation valve and cooling air endless tube from top to bottom, mutual UNICOM between cooling air endless tube and the cooling air-distribution pipe.
The endless tube of tail gas of sulphur inlet pipe is set, mutual UNICOM between the endless tube of tail gas of sulphur inlet pipe and the tail gas of sulphur distributor pipe on the tail gas of sulphur inlet pipe assembly.
After the present invention carries out above-mentioned improvement to prior art, owing to optimized the overall structure of prior art, right
Therefore the mature structure of prior art is not done big change, has simple in structurely, uses easy to operate, safe and reliable, make device under normal condition, directly sour gas is introduced the tail gas burning furnace internal combustion, can realize residual sulfide and remaining H in the tail gas burning furnace burning system sulphur tail gas
2And hydro carbons, make its tail gas burning furnace possess the advantage of multiple function.
Description of drawings
Fig. 1: embodiment of the invention structural representation.
Among the figure: 1 tail gas of sulphur inlet pipe assembly; 2 tail gas of sulphur distributor pipes; The endless tube of 3 tail gas of sulphur inlet pipes; 4 tail gas burning furnaces; 5 burning zones; 6 cooling air inlet pipe assemblies; 7 cool off the air inlet pipe naturally; 8 manual modulation valves; 9 cooling air endless tubes; 10 cooling air-distribution pipes; 11 mixers; 12 heat transmission equipments; 13 burner assemblies.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
As shown in Figure 1, the multi-functional tail gas burning furnace of this sulfur recovery facility, comprise tail gas burning furnace 4, the inner chamber front end of tail gas burning furnace 4 is a burning zone 5, the rear end is a mixer 11, the burner assembly 13 of the front end setting of tail gas burning furnace 4 and burning zone 5 UNICOMs, the tail end of tail gas burning furnace 4 and heat transmission equipment 12 link, the present technique main points are the sidewall setting of front portion, tail gas burning furnace 4 burning zones, 5 position and the tail gas of sulphur inlet pipe assembly 1 of burning zone 5 UNICOMs, and mixer 11 position sidewalls are provided with the cooling air inlet pipe assembly 6 of UNICOM with it.
The tail gas burning furnace 4 of described tail gas of sulphur inlet pipe assembly 1 bottom is provided with the tail gas of sulphur distributor pipe 2 more than 1, and tail gas of sulphur distributor pipe 2 recedes on tail gas burning furnace 4, and and tail gas of sulphur inlet pipe assembly 1 between be acuter angles.
Cooling air-distribution pipe 10 more than 1 is set on the tail gas burning furnace 4 of described cooling air inlet pipe assembly 6 positions, and cooling air-distribution pipe 10 recedes on tail gas burning furnace 4, and and cooling air inlet pipe assembly 6 between be acuter angles.This cooling air inlet pipe assembly 6 is followed successively by nature cooling air inlet pipe 7, manual modulation valve 8 and cooling air endless tube 9 from top to bottom, mutual UNICOM between cooling air endless tube 9 and the cooling air-distribution pipe 10.
The endless tube 3 of tail gas of sulphur inlet pipe is set, mutual UNICOM between the endless tube 3 of tail gas of sulphur inlet pipe and the tail gas of sulphur distributor pipe 2 on the tail gas of sulphur inlet pipe assembly 1.
Under device normal running operating mode, its function is only as residual sulfide and remaining H in the burning system sulphur tail gas
2And hydro carbons, the fire box temperature of its burning zone 5 remains 600-800
0C.Naturally the cooling air manual modulation valve 8 of mixer 11 is closed.
Accident condition emergency blow-down in process of production, and open, the sour gas of interim discharging of stoppage period introduces tail gas burning furnace 4 by interlocking valve and burns, furnace temperature rises to rapidly more than 1000 ℃.Regulate equivalent air distribution ratio by control system, under tail gas burning furnace 4 clean-burning situations, burning zone 5 furnace temperature will reach about 1400 ℃, regulate the cold air flow that sucks by temperature-sensing valve again, fully mix with flue gas at mixer 11, exhaust gas temperature is controlled at below 600-800 ℃, to guarantee that follow-up heat transmission equipment 12 is not burnt out and operate as normal.
In order to prevent in the accident condition emergency blow-down, and open, a large amount of cleaning sour gas of interim discharging of stoppage period are in tail gas burning furnace 4 burning process, fortuitous event might occur and cause the air feed deficiency, the present invention is provided with the natural air inlet system that has manual modulation valve 8 at mixer 11.This system is by the draft of chimney, and natural air draught has solved the problem of supplements cold quantity not sufficient.To guarantee that follow-up heat transmission equipment 12 is not burnt out.
The multi-functional tail gas burning furnace 4 of this sulfur recovery facility, calculate the chamber structure size of determining by heating furnace technology and should take into account two kinds of functions simultaneously, enough to guarantee burning zone 5 volumes (diameter, length) and the time of staying, the mixed temperature of the high-temperature flue gas of mixer 11 and cold air satisfies the requirement of follow-up heat transmission equipment 12.Special professional software calculates promptly to adopt sulphur recovery, and the parameter of rule of thumb optimizing structure, to reach the requirement of two kinds of functions.Simultaneously, guarantee that by calculating burning zone 5 operating pressures are pressure-fired, and mixer 11 operating pressures behind the tracery wall are little negative pressure.
For making tail gas burning furnace 4 satisfy the requirement of two kinds of functions and sufficient combustion, burner assembly 13 can adopt special mixing by force (spirally-guided blade) and secondary air distribution structure, and flow and ratio by fuel metering gas and air distribution satisfy two kinds of functions.
In sum, after the present invention carries out above-mentioned improvement to prior art, owing to optimized the overall structure of prior art, therefore mature structure to prior art is not done big change, has simple in structurely, uses easy to operate, safe and reliable, make device under normal condition, directly sour gas is introduced tail gas burning furnace 4 internal combustion, can realize residual sulfide and remaining H in the tail gas burning furnace 4 burning system sulphur tail gas
2And hydro carbons, make its tail gas burning furnace possess the advantage of multiple function.
Claims (5)
1. multi-functional tail gas burning furnace of sulfur recovery facility, comprise tail gas burning furnace, the inner chamber front end of tail gas burning furnace is a burning zone, the rear end is a mixer, the front end setting of tail gas burning furnace and the burner assembly of burning zone UNICOM, the tail end and the heat transmission equipment of tail gas burning furnace link, and it is characterized in that the sidewall setting of front portion, tail gas burning furnace burning zone position and the tail gas of sulphur inlet pipe assembly of burning zone UNICOM, and mixer position sidewall is provided with the cooling air inlet pipe assembly of UNICOM with it.
2. the multi-functional tail gas burning furnace of sulfur recovery facility according to claim 1, the tail gas burning furnace that it is characterized in that described tail gas of sulphur inlet pipe assembly bottom is provided with the tail gas of sulphur distributor pipe more than 1, the tail gas of sulphur distributor pipe recedes on tail gas burning furnace, and and tail gas of sulphur inlet pipe assembly between be acuter angles.
3. the multi-functional tail gas burning furnace of sulfur recovery facility according to claim 1, it is characterized in that being provided with on the tail gas burning furnace of described cooling air inlet pipe module position the cooling air-distribution pipe more than 1, cooling air-distribution pipe recedes on tail gas burning furnace, and and cooling air inlet pipe assembly between be acuter angles.
4. the multi-functional tail gas burning furnace of sulfur recovery facility according to claim 3, it is characterized in that described cooling air inlet pipe assembly is followed successively by nature cooling air inlet pipe, manual modulation valve and cooling air endless tube from top to bottom, mutual UNICOM between cooling air endless tube and the cooling air-distribution pipe.
5. the multi-functional tail gas burning furnace of sulfur recovery facility according to claim 2 is characterized in that being provided with on the described tail gas of sulphur inlet pipe assembly endless tube of tail gas of sulphur inlet pipe, UNICOM mutually between the endless tube of tail gas of sulphur inlet pipe and the tail gas of sulphur distributor pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010574594 CN102012034A (en) | 2010-12-06 | 2010-12-06 | Multifunctional exhaust incinerator for sulfur recovery facility |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010574594 CN102012034A (en) | 2010-12-06 | 2010-12-06 | Multifunctional exhaust incinerator for sulfur recovery facility |
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| CN102012034A true CN102012034A (en) | 2011-04-13 |
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| CN 201010574594 Pending CN102012034A (en) | 2010-12-06 | 2010-12-06 | Multifunctional exhaust incinerator for sulfur recovery facility |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398377A (en) * | 2013-08-22 | 2013-11-20 | 重庆紫光新科化工开发有限公司 | Tail gas burner and tail gas boiler as well as tail gas heat energy recovery method |
| CN103939918A (en) * | 2014-04-11 | 2014-07-23 | 江苏新世纪江南环保股份有限公司 | Incineration method for acid gas and liquid purification |
| 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 |
| WO2023232155A1 (en) * | 2022-05-30 | 2023-12-07 | 常州捷佳创智能装备有限公司 | Combustion apparatus and sintering device |
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| US5009174A (en) * | 1985-12-02 | 1991-04-23 | Exxon Research And Engineering Company | Acid gas burner |
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Cited By (36)
| 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 |
| CN103398377A (en) * | 2013-08-22 | 2013-11-20 | 重庆紫光新科化工开发有限公司 | Tail gas burner and tail gas boiler as well as tail gas heat energy recovery method |
| CN103939918A (en) * | 2014-04-11 | 2014-07-23 | 江苏新世纪江南环保股份有限公司 | Incineration method for acid gas and liquid purification |
| CN103939918B (en) * | 2014-04-11 | 2017-01-25 | 江苏新世纪江南环保股份有限公司 | Incineration method for acid gas and liquid purification |
| US10207220B2 (en) | 2017-03-15 | 2019-02-19 | 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 |
| US10413864B2 (en) | 2017-03-15 | 2019-09-17 | 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 |
| US10561982B2 (en) | 2017-05-25 | 2020-02-18 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
| US10471383B2 (en) | 2017-05-25 | 2019-11-12 | 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 |
| US10213739B2 (en) | 2017-05-25 | 2019-02-26 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10343110B2 (en) | 2017-05-25 | 2019-07-09 | 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 |
| US10413865B2 (en) | 2017-05-25 | 2019-09-17 | Jiangnan Enviromental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
| US10399033B2 (en) | 2017-05-25 | 2019-09-03 | 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 |
| US10583386B2 (en) | 2017-06-14 | 2020-03-10 | 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 |
| US10099170B1 (en) | 2017-06-14 | 2018-10-16 | 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 |
| US10421040B2 (en) | 2017-07-03 | 2019-09-24 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US20190001267A1 (en) | 2017-07-03 | 2019-01-03 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10556205B2 (en) | 2017-07-03 | 2020-02-11 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10427097B2 (en) | 2017-07-03 | 2019-10-01 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10618001B2 (en) | 2017-07-03 | 2020-04-14 | 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 |
| US10369517B2 (en) | 2017-09-07 | 2019-08-06 | 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 |
| 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 |
| WO2023232155A1 (en) * | 2022-05-30 | 2023-12-07 | 常州捷佳创智能装备有限公司 | Combustion apparatus and sintering device |
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Open date: 20110413 |