CN209651898U - A kind of sulphur recovery, which physically heats up, sweeps sulphur system - Google Patents
A kind of sulphur recovery, which physically heats up, sweeps sulphur system Download PDFInfo
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- CN209651898U CN209651898U CN201822185971.4U CN201822185971U CN209651898U CN 209651898 U CN209651898 U CN 209651898U CN 201822185971 U CN201822185971 U CN 201822185971U CN 209651898 U CN209651898 U CN 209651898U
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- acid gas
- sulphur
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- heats
- recovery
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Abstract
The utility model belongs to technical field of sulfur recovery, it particularly relates to a kind of sulphur recovery and physically heats up sweep sulphur system, sulphur system is swept primarily to effectively providing a kind of sulphur recovery and physically heating up, effectively avoid the chemical formula process that sulphur is swept using fuel gas heating by ignition, the technical issues of avoiding the sulfation and pipeline blockage that generate, it provides a kind of sulphur recovery and physically heats up and sweep sulphur system, including acid gas separator, acid gas heater is provided with and communicated in the rear end of acid gas separator, combustion furnace is connected in the rear end of acid gas heater, fuel gas separating device is also provided with and communicated on combustion furnace, it is also connected on acid gas separator and is provided with low-pressure nitrogen import, it is installed additional on acid gas heater and is provided with middle pressure steam import, warming pipeline is directly arranged on the gas outlet of acid gas heater to be connected with sulphur cooler , which, which physically heats up, sweeps sulphur system, and the matching running process with sulphur recovery main system is effectively guaranteed.
Description
Technical field
The utility model belongs to technical field of sulfur recovery；It particularly relates to a kind of sulphur recovery and physically heats up sweep
Sulphur system.
Background technique
It is generated, in petrochemical industry generation and gas chemical industry's industry generation field in enlarged Coal Chemical Engineering Industry, is
The Environmental Protection Level and environmental protection requirement in the field are improved, can all use sulfur recovery facility in generating process；Sulphur
Recycling, which refers to, is changed into elemental sulfur for the sulfide in the toxic sulfurous gas such as sulfide hydrogen, thus turning waste into treasure, protects environment
Chemical process；Sulphur recovery generallys use one kind and is called the technique of " Crouse " to realize；The technique is usual by Sulfur Contained Raw Gas
Referred to as acid gas first burns acid gas and air or oxygen in the equipment that a table scale is combustion furnace, and burning gases are cold later
But, the sulphur condensation recycling in gas；Enter a claus reaction device after residual gas is heated to be reacted；Reaction master
If hydrogen sulfide and sulphur dioxide production sulphur and water, this reaction need to use catalyst to be just able to achieve, the gas after having reacted
Recovered sulphur need to equally be cooled down, then residual gas the sulfur recovery rate through second level, third-order reaction, usual sulfur recovery facility can
Up to 95%~98%；However in prevailing technology used at present, use be all fuel gas heating process, such as natural gas,
Liquefied petroleum gas or other fuel；However in normal generating process, low, the large-minded, flow especially for acid gas concentration
Fluctuation is greatly and in the frequent sulfur recovery facility of driving and parking, and its is easy to produce catalyst analysis carbon, sulfation or equipment and is easy
The phenomenon that temperature runaway；And its it is easy blocking process pipelines, the strong influence technical process of sulphur recovery and the recycling matter of product
Amount.
Summary of the invention
The goal of the invention of the utility model:
Sulphur system is swept primarily to effectively providing a kind of sulphur recovery and physically heating up, is effectively avoided using fuel
Gas heating by ignition sweeps the chemical formula process of sulphur, effectively avoids the sulfation generated during chemical formula heats up and sweeps sulphur and pipe
The technical issues of road blocks, is greatly suitable for that acid gas concentration is low, large-minded, flowed fluctuation is big and the frequent sulphur of driving and parking returns
During receiving apparatus, the effective matching running process guaranteed with sulphur recovery main system effectively guarantees sulfur recovery facility
Safety and steady operation, the effective environmentally friendly recovery levels for improving enterprise, the effective economic benefit for improving enterprise.
The technical solution of the utility model are as follows:
It provides a kind of sulphur recovery and physically heats up and sweep sulphur system, including acid gas separator, set on acid gas separator
It is equipped with acid gas import；It is provided with and communicated with acid gas heater in the rear end of acid gas separator, connection is set in the rear end of acid gas heater
It is equipped with combustion furnace, the outlet of combustion furnace is directly connected with sulphur cooler by rear heat recovery boiler, is also connected on combustion furnace
It is provided with fuel gas separating device, is provided with fuel gas inlet on fuel gas separating device, is also connected with and is provided on acid gas separator
Low-pressure nitrogen import is installed additional on acid gas heater and is provided with middle pressure steam import, on the gas outlet of acid gas heater directly
Setting warming pipeline is connected with sulphur cooler.
The acid gas heater includes acid gas heater body, and tube side stream is respectively arranged in acid gas heater body
Road and shell flow path；It is also respectively provided with the acid gas import being connected with shell flow path in acid gas heater body and acid gas goes out
Mouthful, the middle pressure steam import being arranged on acid gas heater is directly connected with tube flow path.
Condensate outlet and discharging hole are also respectively provided in acid gas heater body.
The tube flow path and shell flow path uses opposite flow setting.
The beneficial effects of the utility model are:
The sulphur recovery of the structure setting, which physically heats up, sweeps sulphur system, effectively avoids using fuel gas heating by ignition
Sulphur process is swept in the chemical formula heating for sweeping sulphur, effectively avoids the sulfation generated during sulphur is swept in chemical formula heating and pipe
The technical issues of road blocks, is greatly suitable for that acid gas concentration is low, large-minded, flowed fluctuation is big and the frequent sulphur of driving and parking returns
During receiving apparatus, the matching running process with sulphur recovery main system is effectively guaranteed, sulphur recovery is effectively guaranteed
The safety and steady of device is run, and is effectively raised the environmentally friendly recovery levels of enterprise, is effectively raised the economic benefit of enterprise.
Detailed description of the invention
Fig. 1 is the system structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of the acid gas heater of the utility model.
In figure；1 is acid gas separator；2 be acid gas import；3 be acid gas heater；4 be combustion furnace；5 be Waste Heat Recovery pot
Furnace；6 be sulphur cooler；7 be fuel gas separating device；8 be fuel gas inlet；9 be low-pressure nitrogen import；10 be middle pressure steam import；
11 be warming pipeline；12 be acid gas heater body；13 be tube flow path；14 be shell flow path；15 be acid gas import；16 be acid
Gas outlet；17 be condensate outlet；18 be discharging hole.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.
As shown in Fig. 1~2, provides a kind of sulphur recovery and physically heat up and sweep sulphur system, including acid gas separator 1, In
Acid gas import 2 is provided on acid gas separator；Be provided with and communicated with acid gas heater 3 in the rear end of acid gas separator, in acid gas plus
The rear end of hot device is connected with combustion furnace 4, and the outlet of combustion furnace is directly connected with sulphur cooler 6 by rear heat recovery boiler 5
It connects, fuel gas separating device 7 is also provided with and communicated on combustion furnace, fuel gas inlet 8 is provided on fuel gas separating device, in acid gas
It is also connected on separator and is provided with low-pressure nitrogen import 9, installed additional on acid gas heater and be provided with middle pressure steam import 10, in acid
Warming pipeline 11 is directly arranged on the gas outlet of hot-air heater to be connected with sulphur cooler 6.
The acid gas heater includes acid gas heater body 12, is respectively arranged with tube side in acid gas heater body
Flow path 13 and shell flow path 14；The acid gas import 15 being connected with shell flow path is also respectively provided in acid gas heater body
With acid gas outlet 16, the middle pressure steam import 10 being arranged on acid gas heater is directly connected with tube flow path 13.
Condensate outlet 17 and discharging hole 18 are also respectively provided in acid gas heater body.
The tube flow path and shell flow path uses opposite flow setting.
Sulphur system is swept in heating of the sulphur recovery of new structure setting in preposition mating processing, due to what is used now
Heating process all be using fuel gas burnt after provide heat chemical equation temperature-rise period, temperature-rise period easily
There is the phenomenon that catalyst analysis carbon, sulfation or equipment are easy temperature runaway；And the physically temperature elevation system of system setting, pass through
Connection setting low-pressure nitrogen import directly closes fuel gas inlet valve, simultaneously in temperature-rise period on acid gas separator
Fuel gas separating device is closed；Whole system is heated up or stop sweep sulphur during, be passed through nitrogen in acid gas separator,
Nitrogen is passing through acid gas heater, straight by steam-heated mode by the way that middle pressure steam import is arranged on acid gas heater
It connects and pipeline problem in the preposition corollary system is heated to 200 degrees Celsius；Then by the gas outlet of acid gas heater
The warming pipeline being directly arranged is connected with sulphur cooler, and sulphur process is swept in the chemical formula heating for effectively preventing fuel gas；In acid gas
It is respectively arranged with tube flow path and shell flow path in heater body, tube flow path is walked using steam, acid gas and nitrogen walk shell side
Sulphur heating is swept in the mode of flow path, the heating carried out physically；In order to effectively improve heating efficiency and heat conduction, tube flow path
It is arranged with shell flow path using the pipeline structure of opposite process；During normal operation after system heating simultaneously, it can pass through
Acid gas is passed directly into acid gas separation, acid gas enters acid gas heater after removing liquid in acid gas separator, then passes through
Sulfur dioxide gas is generated after combustion furnace, after heat recovery boiler recovery section heat, then is passed through in sulphur cooler and is isolated
Part sulphur, cools to 165 degrees Celsius, and the later period passes through process heaters again and is heated to 210 degrees Celsius or more, anti-into Crouse
Device is answered to be reacted；It, will by the nitrogen being passed through heating physico in acid gas heater when system stop and sweeps sulphur
Sulphur solid in pipeline becomes sulphur liquid sweep after melting and goes out pipeline；The sulphur recovery of the structure setting, which physically heats up, sweeps
Sulphur system effectively avoids and sweeps sulphur process using the chemical formula heating that fuel gas heating by ignition sweeps sulphur, effectively avoids
The technical issues of sulfation and pipeline blockage generated during sulphur, is swept in chemical formula heating, is greatly suitable for acid gas concentration
During low, large-minded, flowed fluctuation is big and the frequent sulfur recovery facility of driving and parking, it is effectively guaranteed and sulphur recovery master
The matching running process of system is effectively guaranteed the safety and steady operation of sulfur recovery facility, effectively raises enterprise
Environmentally friendly recovery levels effectively raise the economic benefit of enterprise.
Claims (4)
1. a kind of sulphur recovery, which physically heats up, sweeps sulphur system, including acid gas separator, acid gas is provided on acid gas separator
Import；It is provided with and communicated with acid gas heater in the rear end of acid gas separator, is connected with burning in the rear end of acid gas heater
The outlet of furnace, combustion furnace is directly connected with sulphur cooler by rear heat recovery boiler, and combustion is also provided with and communicated on combustion furnace
Expect gas separating device, is provided with fuel gas inlet on fuel gas separating device, it is characterised in that: be also connected with setting on acid gas separator
There is low-pressure nitrogen import, is installed additional on acid gas heater and be provided with middle pressure steam import, it is straight on the gas outlet of acid gas heater
Setting warming pipeline is connect to be connected with sulphur cooler.
2. a kind of sulphur recovery according to claim 1, which physically heats up, sweeps sulphur system, it is characterised in that: the acid gas
Heater includes acid gas heater body, is respectively arranged with tube flow path and shell flow path in acid gas heater body；In acid
The acid gas import being connected with shell flow path and acid gas outlet are also respectively provided on hot-air heater ontology, on acid gas heater
The middle pressure steam import of setting is directly connected with tube flow path.
3. a kind of sulphur recovery according to claim 2, which physically heats up, sweeps sulphur system, it is characterised in that: heated in acid gas
Condensate outlet and discharging hole are also respectively provided on device ontology.
4. a kind of sulphur recovery according to claim 2, which physically heats up, sweeps sulphur system, it is characterised in that: the tube side
Flow path and shell flow path use opposite flow setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822185971.4U CN209651898U (en) | 2018-12-25 | 2018-12-25 | A kind of sulphur recovery, which physically heats up, sweeps sulphur system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822185971.4U CN209651898U (en) | 2018-12-25 | 2018-12-25 | A kind of sulphur recovery, which physically heats up, sweeps sulphur system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209651898U true CN209651898U (en) | 2019-11-19 |
Family
ID=68518656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822185971.4U Active CN209651898U (en) | 2018-12-25 | 2018-12-25 | A kind of sulphur recovery, which physically heats up, sweeps sulphur system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209651898U (en) |
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2018
- 2018-12-25 CN CN201822185971.4U patent/CN209651898U/en active Active
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