CN208771183U - A kind of dry gas desulfurization Tower System - Google Patents
A kind of dry gas desulfurization Tower System Download PDFInfo
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- CN208771183U CN208771183U CN201821172192.4U CN201821172192U CN208771183U CN 208771183 U CN208771183 U CN 208771183U CN 201821172192 U CN201821172192 U CN 201821172192U CN 208771183 U CN208771183 U CN 208771183U
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- dry gas
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Abstract
A kind of dry gas desulfurization Tower System, belong to dry gas depriving hydrogen sulphide and ammonia technical field, including dry gas desulfurizing tower, dry gas desulfurizing tower includes that the desulphurization reaction section on top and the tail gas of lower part clean section, dry gas desulfurizing tower lower part is connected to dry gas inlet pipe, top is connected to purification water pipe, and top is connected to dry gas outlet pipe, and bottom end is connected to ammonium hydroxide outlet pipe；Ammonium hydroxide outlet pipe is connected with circulating pump by recycling shut-off valve, recycles and is connected with the ammonium hydroxide discharge pipe with delivery stop valve in the ammonium hydroxide outlet pipe on front side of shut-off valve；Circulating-pump outlet is connected to purification water pipe by backflow non-return valve by circulation pipe, is connected on the circulation pipe on front side of backflow non-return valve and is communicated to the clean return pipe that tail gas cleans section upper end, cleans and is equipped with clean shut-off valve on return pipe.Hydrogen sulfide, ammonia removal in system in dry gas is high-efficient, and exhaust pollutant is administered thoroughly, and piping corrosion degree substantially reduces；It is stable, long period, safe and reliable operation may be implemented；Structure is simple, and technological operation is convenient, flexible, and operating cost is low, and water consumption is few.
Description
Technical field
The utility model belongs to dry gas depriving hydrogen sulphide and ammonia technical field, specifically a kind of dry gas desulfurization Tower System.
Background technique
Gaseous hydrocarbon ingredient is mainly alkane, and some also contains alkene, have a small amount of non-hydrocarbon component and inorganic component (such as: H2,
H2S, CO2, NH3 etc.).C1, C2 and above-mentioned inorganic component are not easy to liquefy, and usually all exist with gaseous state.Such as without a large amount of liquefaction
Gas component, then referred to as dry gas.Some non-hydrocarbon compounds, such as: hydrogen sulfide, mercaptan give Petrochemical Enterprises although content is few
Further processing using bringing many problems, such as cause equipment and corrosive pipeline.So Petrochemical Enterprises need to carry out dry gas
Purified treatment.
When selecting absorption plant, need to consider several factors: processing capacity is big, the pressure loss is small, construction make every effort to it is simple,
Absorption efficiency is high, operating flexibility is big, reliable for operation, easy to maintenance etc..In addition, it is still necessary to consider the various features of absorption system.It is right
The absorption process of gas-film controlled generally should make solution dispersion using the solution dispersion type device of packed tower etc, gas phase turbulence,
Be conducive to mass transfer.For the absorption process of liquid film controlled, all kinds of plate columns are preferably used, make liquid phase turbulence, gas phase dispersion is advantageous to pass
Matter.Flue gas desulfurization etc. belongs to gas-film controlled, and the corrosivity of medium is stronger, because use packed tower or plate column, wet-type calcium and
Magnesium processes sweetening process belongs to bi-mode control, and fouling blockage easily occurs, and preferably uses spray column and liquid column tower etc..
During device goes into operation initial stage, the dry gas after desulfurization is due to H2S removing is not thorough or NH3Content is exceeded, and dry gas is incorporated to
Fuel gas makes fuel gas fire arrester iron rust and the blocking of ammonium salt crystallization substance repeatedly occur, is forced often to be cleaned.In fuel gas
H2S, ammonium salt etc. causes the tail gas of burning that discharge is not achieved the fuel gas pipe network seriously corroded of heating furnace tube and carbon steel material
Standard is unfavorable for the long-term operation of equipment；And dry gas desulfurizing tower water consumption is big, water resource waste.
Utility model content
It is not clean for hydrogen sulfide, ammonia removal in solution now dry gas desulfurizing tower, cause the combustion of heating furnace tube and carbon steel material
The problem of material gas pipe network seriously corroded, discharge standard is not achieved in the tail gas of burning, and water consumption is big, waste water resource, this is practical
It is novel that a kind of dry gas desulfurization Tower System is provided.
The utility model is realized by following technical proposals.
A kind of dry gas desulfurization Tower System, including dry gas desulfurizing tower, characterized in that the dry gas desulfurizing tower includes top
The tail gas of desulphurization reaction section and lower part cleans section, and the dry gas desulfurizing tower lower part is connected to dry gas inlet pipe, and top is connected to purified water
Pipe, top are connected to dry gas outlet pipe, and bottom end is connected to ammonium hydroxide outlet pipe；The ammonium hydroxide outlet pipe is connected with circulating pump by recycling shut-off valve,
The ammonium hydroxide discharge pipe with delivery stop valve is connected in ammonium hydroxide outlet pipe on front side of circulation shut-off valve；The circulating-pump outlet is by recycling
Pipe is connected to purification water pipe by backflow non-return valve, is connected on the circulation pipe on front side of the backflow non-return valve and is communicated to tail gas
The clean return pipe of section upper end is cleaned, clean shut-off valve is installed on the clean return pipe.
The dry gas desulfurization Tower System, wherein the dry gas desulfurizing tower inner stuffing is structured packing.
The dry gas desulfurization Tower System, wherein it is 1000mm-1500mm that the tail gas, which cleans section height,.
The beneficial effects of the utility model are: the hydrogen sulfide, ammonia removal in 1, dry gas are high-efficient, 100% is reached or approached,
Exhaust pollutant is administered thoroughly, guarantees that subsequent fire arrester does not tie rust, few blocking, the fuel gas piping corrosion of boiler tube and carbon steel material
Degree substantially reduces；2, the failures such as blocking will not occur for the pipeline that is related in operation, stable, may be implemented long period,
Safe and reliable operation；3, investment cost is small, and occupied area is few, and operating cost is low；4, structure is simple, and technological operation is convenient, clever
Living, the pressure loss is small, and operating flexibility is big, easy to maintenance；5, water consumption is few, saves water resource, increases treating capacity.
Detailed description of the invention
Fig. 1 is the system schematic of the utility model.
In attached drawing: 1, dry gas desulfurizing tower, 2, desulphurization reaction section, 3, the clean section of tail gas, 4, dry gas inlet pipe, 5, dry gas outlet pipe,
6, ammonium hydroxide outlet pipe, 7, circulation shut-off valve, 8, circulating pump, 9, delivery stop valve, 10, circulation pipe, 11, backflow non-return valve, 12, clean
Return pipe, 13, clean shut-off valve, 14, purification water pipe, 15, ammonium hydroxide discharge pipe.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As it is shown in the figures, a kind of dry gas desulfurization Tower System, including being washed by the desulphurization reaction section 2 on top and the tail gas of lower part
The dry gas desulfurizing tower 1 that net section 3 is constituted, the lower part of dry gas desulfurizing tower 1 are connected with the dry gas inlet pipe 4 for being passed through dry gas, and top is connected with
It is passed through the purification water pipe 14 of purified water, the top of dry gas desulfurizing tower 1 is connected to dry gas outlet pipe 5, and the bottom end of dry gas desulfurizing tower 1 is connected to ammonia
Water outlet pipe 6；The ammonium hydroxide outlet pipe 6 is connected with circulation shut-off valve 7 and 8 input end of circulating pump in turn, 7 front side of circulation shut-off valve
The ammonium hydroxide discharge pipe 15 with delivery stop valve 9 is connected in ammonium hydroxide outlet pipe 6；The outlet of circulating pump 8 is terminated with circulation pipe 10, circulation pipe
10 are connected on backflow non-return valve 11 to purification water pipe 14, are connected on the circulation pipe 10 of 11 front side of backflow non-return valve and are communicated to tail
The clean return pipe 12 of net 3 upper end of section of air purge is cleaned and is equipped with clean shut-off valve 13 on return pipe 12.It is de- inside dry gas desulfurizing tower 1
The filler that reaction of Salmon-Saxl section 2 and tail gas are cleaned in section 3 is structured packing, and internal liquid phase is made to be evenly distributed, and reaction is abundant, wherein
Tail gas cleans 3 height 1000mm-1500mm of section.
This dry gas desulfurization Tower System in operation, dry gas from dry gas inlet pipe 4 enter 1 lower part of dry gas desulfurizing tower, purified water from
It purifying water pipe 14 and enters 1 top of dry gas desulfurizing tower, under purified water seeps downwards on 1 top of dry gas desulfurizing tower, dry gas is diffused up,
Desulphurization reaction section 2 and tail gas clean section 3 and are combined with each other reaction, and solubility of the ammonia in purified water in dry gas is higher, dry gas and
After purified water contact mixing, ammonia is absorbed rapidly by water to be become ammonium hydroxide and ionizes out ammonium root and hydroxyl, and hydroxyl is rapidly and sulphur
Change hydrogen reaction generation sulphur root and sulfur hydrogen anion and water, this two-step reaction almost carry out simultaneously, the liquid after reaction is gone out by ammonium hydroxide
Pipe 6 is got in clean return pipe 12 through circulation shut-off valve 7 by circulating pump 8, and circulation fluid is recycled to tail gas through clean shut-off valve 13 and cleans
The upper end of section 3, cleans in tail gas and carries out absorbing reaction again in section 3, and hydrogen sulfide and ammonia in dry gas is made to absorb more thorough, tail gas
Pollutant control is more thorough, and purified dry gas is discharged to through dry gas outlet pipe 5 using dry gas equipment, guarantees that subsequent fire arrester is not tied
The fuel gas pipe network extent of corrosion of rust, few blocking, boiler tube and carbon steel material substantially reduces.In normal operation, use can be recycled
Water can greatly save water resource, when circulation fluid assimilation effect is undesirable, closes circulation shut-off valve 7, open delivery stop valve 9,
More saturated ammoniacal liquor is discharged to sewage disposal device through ammonium hydroxide discharge pipe 15 and is handled；In cyclic process, it can close and wash
Net shut-off valve 13, opens backflow non-return valve 11, carries out systemic circulation by purification water pipe 14, is to react more sufficiently, tail gas removal
More thoroughly.
This dry gas desulfurization Tower System, the hydrogen sulfide, ammonia removal in dry gas are high-efficient, reach or approach 100%, tail gas pollution
Object is administered thoroughly, guarantees that subsequent fire arrester is not tied rust, blocked less, the fuel gas pipe network extent of corrosion of boiler tube and carbon steel material is significantly
It reduces；It is stable, long period, safe and reliable operation may be implemented；Structure is simple, and technological operation is convenient, flexible, capital cost
With small, occupied area is few, and operating cost is low；Water resource is saved, treating capacity is increased.
Claims (3)
1. a kind of dry gas desulfurization Tower System, including dry gas desulfurizing tower (1), characterized in that the dry gas desulfurizing tower (1) includes upper
The desulphurization reaction section (2) in portion and the tail gas of lower part clean section (3), and described dry gas desulfurizing tower (1) lower part is connected to dry gas inlet pipe
(4), top is connected to purification water pipe (14), and top is connected to dry gas outlet pipe (5), and bottom end is connected to ammonium hydroxide outlet pipe (6)；The ammonium hydroxide goes out
Pipe (6) is connected with circulating pump (8) by recycling shut-off valve (7), and band row is connected in the ammonium hydroxide outlet pipe (6) on front side of circulation shut-off valve (7)
The ammonium hydroxide discharge pipe (15) of shut-off valve (9) out；Circulating pump (8) outlet passes through backflow non-return valve (11) by circulation pipe (10)
It is connected to purification water pipe (14), is connected on the circulation pipe (10) on front side of the backflow non-return valve (11) and is communicated to tail gas and cleans
The clean return pipe (12) of section (3) upper end, is equipped with clean shut-off valve (13) on the clean return pipe (12).
2. dry gas desulfurization Tower System according to claim 1, characterized in that described dry gas desulfurizing tower (1) inner stuffing
It is structured packing.
3. dry gas desulfurization Tower System according to claim 1, characterized in that the tail gas cleans section (3) and is highly
1000mm-1500mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172192.4U CN208771183U (en) | 2018-07-24 | 2018-07-24 | A kind of dry gas desulfurization Tower System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172192.4U CN208771183U (en) | 2018-07-24 | 2018-07-24 | A kind of dry gas desulfurization Tower System |
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| Publication Number | Publication Date |
|---|---|
| CN208771183U true CN208771183U (en) | 2019-04-23 |
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ID=66154486
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821172192.4U Active CN208771183U (en) | 2018-07-24 | 2018-07-24 | A kind of dry gas desulfurization Tower System |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024090091A1 (en) * | 2022-10-28 | 2024-05-02 | 三菱重工業株式会社 | Ammonia detoxification system, floating body, and ammonia detoxification method |
-
2018
- 2018-07-24 CN CN201821172192.4U patent/CN208771183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024090091A1 (en) * | 2022-10-28 | 2024-05-02 | 三菱重工業株式会社 | Ammonia detoxification system, floating body, and ammonia detoxification method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHANDONG RONGXIN GROUP Co.,Ltd. Assignor: SHANDONG HENGXIN TECHNOLOGY DEVELOPMENT Co.,Ltd. Contract record no.: X2022980015760 Denomination of utility model: A dry gas desulfurization tower system Granted publication date: 20190423 License type: Common License Record date: 20220921 |
|
| EE01 | Entry into force of recordation of patent licensing contract |