CN203227406U - Desorption tower - Google Patents
Desorption tower Download PDFInfo
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- CN203227406U CN203227406U CN2013202099690U CN201320209969U CN203227406U CN 203227406 U CN203227406 U CN 203227406U CN 2013202099690 U CN2013202099690 U CN 2013202099690U CN 201320209969 U CN201320209969 U CN 201320209969U CN 203227406 U CN203227406 U CN 203227406U
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Abstract
The utility model relates to the field of desulfurizing a gas by adopting a vacuum carbonate method, and particularly relates to a desorption tower. The desorption tower is internally sequentially provided with an evaporator, a first filler section, a second filler section, a feed distributor, a fog eliminating layer filler section and a cleaning liquid spray device from bottom to top, wherein the evaporator is in a multi-tube type structure; the top of the tower body is provided with an acid gas outlet; the fog eliminating layer filler section is arranged on a position which just faces to the acid gas outlet; the cleaning liquid spray device is arranged above the fog eliminating layer filler section; a rich liquid inlet is connected with the feed distributor; a circulating barren liquid inlet is connected with the evaporator; a circulating barren liquid steam inlet and a circulating barren liquid outlet II are sequentially arranged below the evaporator from top to bottom; a barren liquid outlet and the circulating barren liquid outlet are both arranged at the bottom of the tower body. Compared with the prior art, the desorption tower disclosed by the utility model can effectively reduce the heat loss and achieve the energy conservation and emission reduction effect. According to the utility model, the fog eliminating layer filler section can effectively decrease steam fog drip contained in an acid gas entering a next work section, so that a large amount of cooling water is saved for the following acid gas cooling.
Description
Technical field
The utility model relates to vacuum carbonate method coal gas desulfurization field, particularly a kind of desorber.
Background technology
In recent years, use vacuum potash method in the gas cleaning system and remove the sulphur decyanation technology more and more widely, its technological principle is to use solution of potassium carbonate directly to absorb sour gas such as hydrogen sulfide in the coal gas and hydrogen cyanide, belongs to wet absorption method sulfur removal technology.Regenerate after desulfurization rich solution behind the absorption sour gas enters desorber, make the desulfurization rich solution slough sour gas by the steam flash distillation and generate the desulfurization lean solution, send desulfurizing tower back to by lean pump and recycle.
Desorber in the past adopts the method that directly feeds steam to provide required heat for desorption process, this method has not only increased the thermic load amount in the equipment operation, also the auxiliary firing equipment complexity because of the outside causes a large amount of unnecessary heat loss, and the sour vapour in exit, desorber top is carried the mist that contains steam and doctor solution in a large number secretly, has therefore increased the energy consumption of follow-up workshop section cooling work and the corrosion of equipment.
Summary of the invention
The purpose of this utility model provides a kind of desorber, and is simple in structure, can regenerate to the desulfurization rich solution effectively in vacuum carbonate method coal gas desulfurization decyanation technology, and have hot lean solution flash distillation, acid gas outlet defrosting function.
For achieving the above object, the utility model adopts following technical scheme to realize:
A kind of desorber, be provided with evaporimeter in the tower body from the bottom to top successively, first packing section, second packing section, feed distributor, catch mist layer packing section and cleaning fluid spray equipment, described evaporimeter is multi-tube structure, the tower body top is provided with the acid gas outlet, catching mist layer packing section is located at over against the acid gas exit, catch mist layer packing section top and be provided with the cleaning fluid spray equipment, the rich solution entrance links to each other with feed distributor, circulation lean solution entrance links to each other with evaporimeter, the evaporimeter below is followed successively by circulation lean solution steam inlet and circulation lean solution outlet two from top to bottom, and the bottom of tower body all is located in lean solution outlet and circulation lean solution outlet one.
Be provided with gas-liquid distributor between described first packing section and second packing section.
Described first packing section, second packing section and catch mist layer packing section and adopt a kind of in dumped packing or the structured packing respectively.
Compared with prior art, the beneficial effects of the utility model are: can not only simplify technology effectively, minimizing equipment takes up an area of, and reduces investment outlay, and can effectively reduce thermal loss, reaches the effect of energy-saving and emission-reduction.Catch mist layer packing section and can effectively reduce the steam droplet that enters in next workshop section's acid gas, for a large amount of cooling waters is saved in ensuing acid gas cooling, not only improve process conditions, also effectively reduced operation cost, had characteristics such as operating flexibility is big, the time between overhauls(TBO) is long.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Among the figure: 1-lean solution outlet 2-circulation lean solution exports a 3-circulation lean solution and exports second section filler 12-of two 4-tower body 5-circulation lean solution steam inlet 6-evaporimeter 7-circulation lean solution entrance 8-acid gas outlet 9-first section filler 10-gas-liquid distributor 11-feed distributor 13-rich solution entrance 14-and catch mist layer filler 15-cleaning fluid spray equipment
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described further:
See Fig. 1, it is the structural representation of a kind of desorber embodiment of the utility model, be provided with evaporimeter 6 in the tower body from the bottom to top successively, first packing section 9, second packing section 11, feed distributor 12, catch mist layer packing section 14 and cleaning fluid spray equipment 15, evaporimeter 6 is multi-tube structure, tower body 4 tops are provided with acid gas outlet 8, catching mist layer packing section 14 is located at over against acid gas and exports 8 places, catch mist layer packing section 14 tops and be provided with cleaning fluid spray equipment 15, rich solution entrance 13 links to each other with feed distributor 12, circulation lean solution entrance 7 links to each other with evaporimeter 6, evaporimeter 6 belows are followed successively by circulation lean solution steam inlet 5 from top to bottom and the circulation lean solution exports 23, and lean solution outlet 1 and circulation lean solution export one 2 bottoms of all being located at tower body 4.
Be provided with gas-liquid distributor 10, the first packing section 9, second packing section 11 between first packing section 9 and second packing section 44 and catch mist layer filler 14 and adopt a kind of in dumped packing or the structured packing respectively.
During work, enter the desulfurization lean solution of discharging in poor rich liquid heat exchanger and desorber bottom after the desulfurization rich solution is discharged by the desulfurizing tower bottom and carry out heat exchange, temperature rises to about 50 ℃ and enters desorber by desulfurization rich solution entrance 13.The desulfurization rich solution is through spraying on second section filler 11 after feed distributor 12 uniform distributions, by after gas-liquid distributor 10 distributes, spraying to first section filler 9 again behind second section filler 11, desorption process is finished by evaporimeter in the back, delivers to desulfurizing tower by lean solution outlet 1 discharge and carries out desulphurization reaction again.The desulfurization rich solution fully contacts with steam in second section filler 11 and first section filler 9 and carries out the desorb reaction, makes desulfurization rich solution solution sucking-off H
2Sour gas such as S, sour gas are discharged desorber by the acid gas outlet 16 at desorber top and are entered next workshop section after catching 14 demists of mist layer filler.About 60 ℃ desulfurization lean solution is exported 1 and discharges the back and delivered to by the lean solution circulating pump and entered by circulation lean solution entrance 7 after the coal gas of primary cooler top and 82 ℃ carries out heat exchange by the circulation lean solution in the desorber bottom, in desorber in the evaporimeter 6 through negative pressure evaporation, be generated as a large amount of steam that desulfurization rich solution desorption process uses.Export the 23 desulfurization lean solutions of discharging by the circulation lean solution and behind steam reboiler heating and gasifying, enter desorber as rich solution desorb compensation thermal source by circulation lean solution steam inlet 5.
Claims (3)
1. desorber, it is characterized in that, be provided with evaporimeter in the tower body from the bottom to top successively, first packing section, second packing section, feed distributor, catch mist layer packing section and cleaning fluid spray equipment, described evaporimeter is multi-tube structure, the tower body top is provided with the acid gas outlet, catching mist layer packing section is located at over against the acid gas exit, catch mist layer packing section top and be provided with the cleaning fluid spray equipment, the rich solution entrance links to each other with feed distributor, circulation lean solution entrance links to each other with evaporimeter, the evaporimeter below is followed successively by circulation lean solution steam inlet and circulation lean solution outlet two from top to bottom, and the bottom of tower body all is located in lean solution outlet and circulation lean solution outlet one.
2. desorber according to claim 1 is characterized in that, is provided with gas-liquid distributor between described first packing section and second packing section.
3. desorber according to claim 1 and 2 is characterized in that, described first packing section, second packing section and catch mist layer packing section and adopt a kind of in dumped packing or the structured packing respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202099690U CN203227406U (en) | 2013-04-23 | 2013-04-23 | Desorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202099690U CN203227406U (en) | 2013-04-23 | 2013-04-23 | Desorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203227406U true CN203227406U (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202099690U Expired - Lifetime CN203227406U (en) | 2013-04-23 | 2013-04-23 | Desorption tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN203227406U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104629818A (en) * | 2015-02-03 | 2015-05-20 | 薛斌 | Desulfurization liquid enrichment dual-effect desorption process and system by virtue of vacuum carbonate method |
| CN108854466A (en) * | 2018-08-08 | 2018-11-23 | 浙江省环境工程有限公司 | A kind of purification-recovery system of methylene chloride exhaust gas |
| CN110411268A (en) * | 2019-08-27 | 2019-11-05 | 中国华能集团清洁能源技术研究院有限公司 | A kind of packed tower, the flue gas processing method of structured packing and dumped packing step-by-step arrangement |
| CN111228861A (en) * | 2020-01-15 | 2020-06-05 | 萍乡市华星环保工程技术有限公司 | Vacuum potassium carbonate desulfurization equipment |
-
2013
- 2013-04-23 CN CN2013202099690U patent/CN203227406U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104629818A (en) * | 2015-02-03 | 2015-05-20 | 薛斌 | Desulfurization liquid enrichment dual-effect desorption process and system by virtue of vacuum carbonate method |
| CN104629818B (en) * | 2015-02-03 | 2017-01-04 | 薛斌 | Vacuum carbonate desulphurization rich solution economic benefits and social benefits desorption technique and system |
| CN108854466A (en) * | 2018-08-08 | 2018-11-23 | 浙江省环境工程有限公司 | A kind of purification-recovery system of methylene chloride exhaust gas |
| CN110411268A (en) * | 2019-08-27 | 2019-11-05 | 中国华能集团清洁能源技术研究院有限公司 | A kind of packed tower, the flue gas processing method of structured packing and dumped packing step-by-step arrangement |
| CN111228861A (en) * | 2020-01-15 | 2020-06-05 | 萍乡市华星环保工程技术有限公司 | Vacuum potassium carbonate desulfurization equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180914 Address after: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee after: ACRE COKING & REFRACTORY ENGINEERING CONSULTING CORPORATION (DALIAN), MCC Address before: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee before: ACRE COKING & REFRACTORY ENGINEERING CONSULTING CORPORATION, MCC |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131009 |
|
| CX01 | Expiry of patent term |