CN105754673A - Integrated device for natural gas desulphurization and desulfurizing liquid regeneration - Google Patents
Integrated device for natural gas desulphurization and desulfurizing liquid regeneration Download PDFInfo
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- CN105754673A CN105754673A CN201610099333.3A CN201610099333A CN105754673A CN 105754673 A CN105754673 A CN 105754673A CN 201610099333 A CN201610099333 A CN 201610099333A CN 105754673 A CN105754673 A CN 105754673A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
- C10L3/103—Sulfur containing contaminants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
- B01D53/185—Liquid distributors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D2053/221—Devices
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- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention relates to the field of supergravity technology and vacuum membrane distillation regeneration technology, in particular to an integrated device for natural gas desulphurization and desulfurizing liquid regeneration. The device comprises supergravity devices and a hollow fiber membrane module, wherein the supergravity devices are located in a supergravity shell and comprises an upper supergravity device and a lower supergravity device; each supergravity device comprises a rotating packed bed and a liquid distributor located in the rotating packed bed; the upper supergravity device is connected with the lower supergravity device through a rotary shaft; the rotary shaft penetrates through the bottom end of the supergravity shell so as to be connected with a motor; a gaseous component of natural gas enters into the supergravity devices through an air inlet pipe under the pressure action so as to be contacted with absorption liquid to finish absorption reaction, the absorbed pregnant solution is discharged from the supergravity devices and enters into the hollow fiber membrane module through a pipeline to carry out pregnant solution regeneration treatment, desorbed barren liquor is cycled into the supergravity devices through two pipelines, desulphurization and regeneration are carried out simultaneously, and the processes of absorption and regeneration are accelerated.
Description
Technical field
The present invention relates to high-gravity technology, vacuum membrane distillation technical field, refer here particularly to a kind of process device integrating selexol process, desulfurization regeneration, resource recirculation function, be specially the integrated apparatus of a kind of selexol process and desulfurization regeneration.
Background technology
The hydrogen sulfide contained in natural gas is day by day serious to the harm of environment, the sulfur content reduced in natural gas further not only contributes to alleviate pipeline and equipment corrosion, it is to avoid catalyst poisoning, contributes to piping facility stable operation, also avoid its comburant contaminated environment, be detrimental to health.
High-gravity technology is applied in sweetening process, and because it has stronger process intensification function, essence is the effect by centrifugal force, carries out efficient mass transfer and strengthens microcosmic mixing rate and make reaction quickly carry out, having great application prospect in strengthening field；The conventional processes of doctor solution has certain limitation simultaneously, film distillation technology is a kind of new separation technology, high with its efficiency, flux has good treatment effect in fields such as solution concentration, desalinization, wastewater treatments greatly, and desulfurization regeneration is the key of whole sweetening process.Carry out regeneration desorbing to absorbing liquid, by sulfur recovery, the secondary pollution to environment can be reduced and realize the maximum utilization of resource on the one hand；On the other hand, relative to other doctor solution processing methods, method of reproduction has saving cost, and treating capacity is big, and simple to operate, equipment investment is low, it is possible to achieve a kind of efficient, the advantage of the circulation desulfurization technology that economy is high；Utilize high-gravity technology for strengthening the absorption rate of sulfur, and in conjunction with vacuum membrane distillation technology, regeneration of absorption solution is recycled, such a set of process is uniform, good stability, assimilation effect are high, can resources circulation recycle, the integrated apparatus of escapable cost energy consumption, will have good application prospect in selexol process.
Summary of the invention
It is an object of the invention to for the process of sulfur in natural gas, in existing technical foundation, it is provided that one can quickly sulphur removal, and utilize vacuum membrane distillation method by the process integration device of desulfurization regeneration, and skid can be carried out.
In order to reach object above, the present invention by the following technical solutions:
A kind of integrated apparatus of selexol process and desulfurization regeneration, it is characterized in that: described device includes super-gravity device and hollow fiber film assembly, super-gravity device is arranged in hypergravity casing, it is divided into upper and lower two, each super-gravity device includes rotary packed bed and is arranged in rotary packed bed liquid distribution trough, upper and lower two super-gravity devices are connected by rotating shaft, and rotating shaft passes hypergravity casing bottom and couples with motor；The gaseous component of natural gas enters super-gravity device by air inlet pipe under pressure and has contacted absorption reaction with absorbing liquid, rich liquid stream after absorption goes out super-gravity device, enter hollow fiber film assembly by pipeline and carry out rich solution Regeneration Treatment, lean solution after desorbing is circulated back in super-gravity device again through two pipelines, by catheter enter into rotary packed bed in liquid distribution trough carry out re-absorption, by controlling inlet hydraulic, lean solution imports liquid distribution trough through catheter, packed bed high speed rotating under the driving of motor forms Elevated Gravity, liquid is by the filler effect of high speed rotating, disperseed, smash, update rapidly, enhance gas-to-liquid contact, drastically increase mass transfer rate, and at gas discharge outlet place, gas is discharged, rich solution is transported to vacuum diaphragm regeneration technology place and processes.
Further, the MDEA solution that initial absorption liquid is 40% used by desulfurization, the air inlet pipe place of super-gravity device arranges a nozzle, and nozzle spraying swath ranges for argument 45 °, and gas flow is 800L/h；The rotating speed of super-gravity device is 1000r/min.
Further, the integrated apparatus of described a kind of selexol process and desulfurization regeneration is made up of Non-return air valve, unidirectional liquid valve, pressure-control valve, gas flowmeter, Pressure gauge, nozzle, super-gravity device, hypergravity casing, rotary packed bed, liquid distribution trough, motor, rotating shaft, hollow fiber film assembly, lean liquid bath, lean pump, condenser, surge tank, vacuum pump, vacuum meter, air vent and compressor；
Gas is connected with the input of Non-return air valve；The outfan of Non-return air valve is connected with the input of compressor；The outfan of compressor is connected with the input of pressure-control valve；The outfan of pressure-control valve is connected with the input of gas flowmeter；The outfan of gas flowmeter and the first manometric input connect；First manometric outfan is connected with the input of nozzle；The outfan of nozzle is connected with the first input end of super-gravity device；The input of the first outfan of super-gravity device and the first unidirectional liquid valve connects；The outfan of the first unidirectional liquid valve and the input of the first hollow fiber film assembly connect；First outfan of the first hollow fiber film assembly and the input of the first vacuum meter connect；The outfan of the first vacuum meter and the input of the first condenser connect；The outfan of the first condenser and the input of the first surge tank connect；The outfan of the first surge tank and the first vacuum pump connect；Second outfan of the first hollow fiber film assembly and the input of the first lean pump connect；The input of the first lean solution delivery side of pump and the second unidirectional liquid valve connects；The outfan of the second unidirectional liquid valve and the second manometric input connect；Second manometric outfan is connected with the second input of super-gravity device；Second input of super-gravity device by catheter rotary packed bed with bottom in liquid distribution trough be connected；Second outfan of the first hollow fiber film assembly and the input of the second lean pump connect；Second lean solution delivery side of pump is connected with the input of lean liquid bath；The outfan of lean liquid bath and the input of the 3rd lean pump connect；The input of the 3rd lean solution delivery side of pump and the 3rd unidirectional liquid valve connects；The outfan of the 3rd unidirectional liquid valve and the input of the second hollow fiber film assembly connect；First outfan of the second hollow fiber film assembly and the input of the second vacuum meter connect；The outfan of the second vacuum meter and the input of the second condenser connect；The outfan of the second condenser and the input of the second surge tank connect；The outfan of the second surge tank and the second vacuum pump connect；The input of the second outfan of the second hollow fiber film assembly and the 4th unidirectional liquid valve connects；The outfan of the 4th unidirectional liquid valve and the 3rd manometric input connect；3rd manometric outfan is connected with the 3rd input of super-gravity device；3rd input of super-gravity device by catheter rotary packed bed with top in liquid distribution trough be connected；Gas is by the top air vent output of hypergravity casing, and top is rotary packed bed rotary packed bed with bottom to be connected by rotating shaft, and rotating shaft passes the hypergravity casing bottom of super-gravity device and couples with motor.
The integrated apparatus of selexol process and desulfurization regeneration, it is characterised in that: when rich solution flows in hollow fiber film assembly, less rich solution layer can be cut into, gas molecule diffusion length is also relatively short, mass-transfer efficiency is higher, and liquid flows in assembly, is evacuated outside film；It is surrounded by heat-insulation layer outside pipeline between the first outfan of super-gravity device and the second input of super-gravity device and the 3rd input, in case heat loss；When hydraulically full in membrane module, opening vacuum pump, the tube side of film keeps low pressure under the effect of vacuum pump, and under the effect of pressure at both sides difference, the gas that gas-liquid interface produces enters condenser through fibrous membrane, and the part water carried can be condensed.
The integrated apparatus of selexol process and desulfurization regeneration, it is characterised in that: doctor solution has carried out twice regeneration cycling and reutilization.
The integrated apparatus of selexol process and desulfurization regeneration, it is characterised in that: in two super-gravity devices, two rotary packed bed is connected in rotating shaft, and lean solution enters rotary packed bed through second, third input end, is conducive to the dispersion of circulation fluid.
The integrated apparatus of selexol process and desulfurization regeneration, it is characterised in that: hollow fiber film assembly is connected with condenser.
The integrated apparatus of selexol process and desulfurization regeneration, it is characterised in that this technique includes step in detail below:
A () absorbs: hydrogen sulfide containing natural gas via overcompression machine, and the gaseous component of natural gas enters super-gravity device under pressure, and is provided with a nozzle at the pipeline air inlet place of super-gravity device, has then contacted absorption reaction with absorption liquid.
B () regenerates: the rich solution after absorption utilizes hollow fiber film assembly and vacuum pump to carry out rich solution Regeneration Treatment.
C () condenses: the gas that in hollow fiber film assembly, gas-liquid interface produces enters condenser through film, and the part water carried becomes condensed fluid.
D () is circulated: the lean solution after desorbing, under the effect of pump, is circulated back to super-gravity device by two pipelines and carries out re-absorption.
The strengthening contact of (e) super-gravity device: by controlling inlet hydraulic, liquid imports liquid distribution trough through catheter, packed bed high speed rotating under the driving of motor forms Elevated Gravity, liquid, by the filler effect of high speed rotating, is disperseed, is smashed, updated rapidly, enhance gas-to-liquid contact, drastically increasing mass transfer rate, and discharged by gas at gas discharge outlet place, rich solution is transported to vacuum diaphragm regeneration technology place and processes.
(f) complete secondary regenerator after lean solution be transported to super-gravity device through lean pump and start next cycle of operation.The remarkable advantage of the present invention is in the following aspects:
(1) by the connected applications of super-gravity device and vacuum membrane distillation renovation process in the whole technique of selexol process, not only increase mass-and heat-transfer effect, complete whole sweetening process, it is also possible to reduce desulphurization cost, respective advantage made full use of.
(2) secondary recycling carried out through vacuum diaphragm, efficiently utilize the recycling absorbing liquid, the lean solution flowed out through the first hollow fiber film assembly regeneration is compared with the lean solution being circulated through twice regeneration of the second hollow fiber film assembly, the lean solution re-absorption better effects if that the latter obtains, the lean solution reabsorption rate that the latter obtains is higher than the former absorbance by about 10%, and the lean solution after regenerating first again imports and carries out re-absorption in super-gravity device, then more can reduce desulphurization cost.
(3) whole technique has simple to operate, and stability is high, the advantage that equipment investment is low.
(4) while sulphur removal, carry out regenerative process too, accelerate the process absorbing and regenerating.
(5) this integrated apparatus can carry out skid.
Accompanying drawing explanation
Fig. 1 is the integrated apparatus figure of selexol process and desulfurization regeneration.
In figure: 1-Non-return air valve；2-compressor；3-pressure-control valve；4-gas flowmeter；5,21,32-Pressure gauge；6-nozzle；7,8-super-gravity device；9-is rotary packed bed；10-liquid distribution trough；11-rotating shaft；12-motor；13,20,25, the unidirectional liquid valve of 31-；14,26-hollow fiber film assembly；15,27-vacuum meter；16,28-condenser；17,29-surge tank；18,30-vacuum pump；19,22,24-lean pump；The lean liquid bath of 23-；33-air vent；34-hypergravity casing.
Fig. 2 is the fundamental diagram of super-gravity device.
Detailed description of the invention
As it is shown in figure 1, the present invention is mainly by Non-return air valve 1, compressor 2, pressure-control valve 3, gas flowmeter 4, Pressure gauge 5,21,32, nozzle 6, rotary packed bed 9, liquid distribution trough 10, motor 12, unidirectional liquid valve 13,20,25,31, hollow fiber film assembly 14,26, lean liquid bath 23, lean pump 19,22,24, condenser 16,28, surge tank 17,29, vacuum pump 18,30, vacuum meter 15,27, hypergravity casing 34 form.
Its concrete method of operation be broadly divided into following some.
(1) by Fig. 1, the integrated apparatus of a kind of selexol process and desulfurization regeneration is made up of super-gravity device, vacuum diaphragm regenerating unit, condenser, lean solution circulation line；Wherein, super-gravity device is made up of motor, rotating shaft, hypergravity casing, rotary packed bed, liquid distribution trough；Motor is connected with rotating shaft, and two super-gravity devices connect through rotating shaft；Air inlet at device is equipped with a nozzle, and its nozzle spraying swath ranges for argument 45 °.
(2) gas is under the effect of compressor, enters super-gravity device by pressure differential.Under the effect of gas pressure, gas enters rotary packed bed, and liquid introduces on liquid distribution trough through catheter, and liquid is subject to the effect of filler, and circumferential speed increases；In the process, the filled dispersion of liquid, smash, surface is updated rapidly, create huge indirect mutually contact area, drastically increase mass transfer rate, enhance mixed process, rich solution after absorption is thrown shell by rotating shaft, through the first outfan of super-gravity device after collecting, entering next regenerative process by unidirectional liquid valve, gas from gas outlet is drawn.
(3) vacuum diaphragm regenerative process is realized by hollow fiber film assembly, condenser, vacuum meter, surge tank, vacuum pump, plate-type condenser selected by condenser, the logical mutual convection current between supercooled water and steam of condenser, the cooled water of final steam is absorbed, and steam condensation becomes condensed water.
(4) hollow fiber film assembly by substantial amounts of fibrous membrane silk assembled parallel in the shell of tubulose, constitute shell-type luminal structure, in regenerative process, first by hydraulically full in membrane module, then vacuum pump is opened, the tube side of film keeps low pressure under the effect of vacuum pump, and under the effect of pressure at both sides difference, the gas that gas-liquid interface produces enters condenser through fibrous membrane.
(5) when rich solution is after hollow film fiber assembly processes, a lean solution part can directly be transported in super-gravity device under the effect of lean pump after unidirectional liquid valve and Pressure gauge, another branch road is under the effect of lean pump, it is delivered to lean liquid bath to be collected, again again regenerate in the second hollow fiber film assembly via unidirectional liquid valve under the effect of lean pump, the lean solution obtained is entered in super-gravity device by unidirectional liquid valve and Pressure gauge, carries out absorption again, completes whole cyclic process.
(6) do not have the gas absorbed to be discharged to other by the air vent of hypergravity cabinet top in super-gravity device to recycle.
(7) pressure-control valve plays the effect of relief valve, when due to some contingencies so that during the hypertonia of super-gravity device intracavity, pressure-control valve can be opened, and adds the safety of reaction unit.
(8) this device enhances heat and mass effect, improves desulfurized effect；Equipment is little, saves energy consumption.
(9) skid is conveniently carried out.
Claims (5)
1. the integrated apparatus of a selexol process and desulfurization regeneration, it is characterized in that: described device includes super-gravity device and hollow fiber film assembly, super-gravity device is arranged in hypergravity casing, it is divided into upper and lower two, each super-gravity device includes rotary packed bed and is arranged in rotary packed bed liquid distribution trough, upper and lower two super-gravity devices are connected by rotating shaft, and rotating shaft passes hypergravity casing bottom and couples with motor；The gaseous component of natural gas enters super-gravity device by air inlet pipe under pressure and has contacted absorption reaction with absorbing liquid, rich liquid stream after absorption goes out super-gravity device, enter hollow fiber film assembly by pipeline and carry out rich solution Regeneration Treatment, lean solution after desorbing is circulated back in super-gravity device again through two pipelines, by catheter enter into rotary packed bed in liquid distribution trough carry out re-absorption, by controlling inlet hydraulic, lean solution imports liquid distribution trough through catheter, packed bed high speed rotating under the driving of motor forms Elevated Gravity, liquid is by the filler effect of high speed rotating, disperseed, smash, update rapidly, enhance gas-to-liquid contact, drastically increase mass transfer rate, and at gas discharge outlet place, gas is discharged, rich solution is transported to vacuum diaphragm regeneration technology place and processes.
2. the integrated apparatus of a kind of selexol process as claimed in claim 1 and desulfurization regeneration, it is characterized in that: the MDEA solution that initial absorption liquid is 40% used by desulfurization, the air inlet pipe place of super-gravity device arranges a nozzle, and nozzle spraying swath ranges for argument 45 °, and gas flow is 800L/h；The rotating speed of super-gravity device is 1000r/min.
3. the integrated apparatus of a kind of selexol process as claimed in claim 1 and desulfurization regeneration, lean solution after it is characterized in that described desorbing is circulated back to super-gravity device middle finger again through two pipelines: when rich solution is after hollow film fiber assembly processes, a lean solution part can directly be transported in super-gravity device under the effect of lean pump after unidirectional liquid valve and Pressure gauge, another branch road is under the effect of lean pump, it is delivered to lean liquid bath to be collected, again again regenerate in the second hollow fiber film assembly via unidirectional liquid valve under the effect of lean pump, the lean solution obtained enters in super-gravity device by unidirectional liquid valve and Pressure gauge, carry out absorption again, complete whole cyclic process.
4. the integrated apparatus of a kind of selexol process as claimed in claim 1 and desulfurization regeneration, it is characterised in that: described integrated apparatus is made up of Non-return air valve, unidirectional liquid valve, pressure-control valve, gas flowmeter, Pressure gauge, nozzle, super-gravity device, hypergravity casing, rotary packed bed, liquid distribution trough, motor, rotating shaft, hollow fiber film assembly, lean liquid bath, lean pump, condenser, surge tank, vacuum pump, vacuum meter, air vent and compressor；Gas is connected with the input of Non-return air valve；The outfan of Non-return air valve is connected with the input of compressor；The outfan of compressor is connected with the input of pressure-control valve；The outfan of pressure-control valve is connected with the input of gas flowmeter；The outfan of gas flowmeter and the first manometric input connect；First manometric outfan is connected with the input of nozzle；The outfan of nozzle is connected with the first input end of super-gravity device；The input of the first outfan of super-gravity device and the first unidirectional liquid valve connects；The outfan of the first unidirectional liquid valve and the input of the first hollow fiber film assembly connect；First outfan of the first hollow fiber film assembly and the input of the first vacuum meter connect；The outfan of the first vacuum meter and the input of the first condenser connect；The outfan of the first condenser and the input of the first surge tank connect；The outfan of the first surge tank and the first vacuum pump connect；Second outfan of the first hollow fiber film assembly and the input of the first lean pump connect；The input of the first lean solution delivery side of pump and the second unidirectional liquid valve connects；The outfan of the second unidirectional liquid valve and the second manometric input connect；Second manometric outfan is connected with the second input of super-gravity device；Second input of super-gravity device by catheter rotary packed bed with bottom in liquid distribution trough be connected；Second outfan of the first hollow fiber film assembly and the input of the second lean pump connect；Second lean solution delivery side of pump is connected with the input of lean liquid bath；The outfan of lean liquid bath and the input of the 3rd lean pump connect；The input of the 3rd lean solution delivery side of pump and the 3rd unidirectional liquid valve connects；The outfan of the 3rd unidirectional liquid valve and the input of the second hollow fiber film assembly connect；First outfan of the second hollow fiber film assembly and the input of the second vacuum meter connect；The outfan of the second vacuum meter and the input of the second condenser connect；The outfan of the second condenser and the input of the second surge tank connect；The outfan of the second surge tank and the second vacuum pump connect；The input of the second outfan of the second hollow fiber film assembly and the 4th unidirectional liquid valve connects；The outfan of the 4th unidirectional liquid valve and the 3rd manometric input connect；3rd manometric outfan is connected with the 3rd input of super-gravity device；3rd input of super-gravity device by catheter rotary packed bed with top in liquid distribution trough be connected；Gas is by the top air vent output of hypergravity casing, and top is rotary packed bed rotary packed bed with bottom to be connected by rotating shaft, and rotating shaft passes the hypergravity casing bottom of super-gravity device and couples with motor.
5. the integrated apparatus of a kind of selexol process as claimed in claim 4 and desulfurization regeneration, it is characterized in that: when rich solution flows in hollow fiber film assembly, less rich solution layer can be cut into, gas molecule diffusion length is also relatively short, mass-transfer efficiency is higher, liquid flows in assembly, is evacuated outside film；It is surrounded by heat-insulation layer outside pipeline between the first outfan of super-gravity device and the second input of super-gravity device and the 3rd input, in case heat loss；When hydraulically full in membrane module, opening vacuum pump, the tube side of film keeps low pressure under the effect of vacuum pump, and under the effect of pressure at both sides difference, the gas that gas-liquid interface produces enters condenser through fibrous membrane, and the part water carried can be condensed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610099333.3A CN105754673A (en) | 2016-02-23 | 2016-02-23 | Integrated device for natural gas desulphurization and desulfurizing liquid regeneration |
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| CN201610099333.3A CN105754673A (en) | 2016-02-23 | 2016-02-23 | Integrated device for natural gas desulphurization and desulfurizing liquid regeneration |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744890A (en) * | 2018-07-06 | 2018-11-06 | 常州大学 | A kind of the desulfurization regeneration technique and device of MDEA sulfur-bearings rich solution |
| CN110152477A (en) * | 2019-06-18 | 2019-08-23 | 大唐郓城发电有限公司 | A kind of desulphurization denitration filler plate assisted reaction structure |
| CN110756149A (en) * | 2019-05-08 | 2020-02-07 | 北京化工大学 | Online cleaning electromagnetic clutch type rotary packed bed and control method thereof |
| CN116574544A (en) * | 2023-07-13 | 2023-08-11 | 四川恒乐达能源工程有限公司 | Natural gas MDEA desulfurizing absorption tower |
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2016
- 2016-02-23 CN CN201610099333.3A patent/CN105754673A/en active Pending
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744890A (en) * | 2018-07-06 | 2018-11-06 | 常州大学 | A kind of the desulfurization regeneration technique and device of MDEA sulfur-bearings rich solution |
| CN110756149A (en) * | 2019-05-08 | 2020-02-07 | 北京化工大学 | Online cleaning electromagnetic clutch type rotary packed bed and control method thereof |
| CN110152477A (en) * | 2019-06-18 | 2019-08-23 | 大唐郓城发电有限公司 | A kind of desulphurization denitration filler plate assisted reaction structure |
| CN116574544A (en) * | 2023-07-13 | 2023-08-11 | 四川恒乐达能源工程有限公司 | Natural gas MDEA desulfurizing absorption tower |
| CN116574544B (en) * | 2023-07-13 | 2023-09-05 | 四川恒乐达能源工程有限公司 | Natural gas MDEA desulfurizing absorption tower |
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