CN208049710U - A kind of tower Complexing Iron desulfurizer and Complexing Iron desulphurization system - Google Patents
A kind of tower Complexing Iron desulfurizer and Complexing Iron desulphurization system Download PDFInfo
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- CN208049710U CN208049710U CN201820040903.6U CN201820040903U CN208049710U CN 208049710 U CN208049710 U CN 208049710U CN 201820040903 U CN201820040903 U CN 201820040903U CN 208049710 U CN208049710 U CN 208049710U
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Abstract
The utility model provides a kind of tower Complexing Iron desulfurizer, includes the integrated tower that absorbing reaction tower and regeneration reactor by going to upper and lower setting are formed.The utility model additionally provides a kind of Complexing Iron desulphurization system including the tower Complexing Iron desulfurizer.Tower Complexing Iron desulfurizer provided by the utility model and desulphurization system can guarantee the deep desulfuration effect and desulfuration efficiency of Complexing Iron sulfur removal technology, suitable for various sour gas operating modes, the especially lower operating mode of big flow, hydrogen sulfide content, device integration is high, process interface requirement is low, and with notable cost advantages such as the small, small investments of floor space.
Description
Technical field
The utility model is related to industrially desulfurized fields, and in particular to a kind of tower Complexing Iron desulfurizer and including described
The Complexing Iron desulphurization system of tower Complexing Iron desulfurizer.
Background technology
With gas chemical industry's production, dealer usually needs to handle the lower acid of some big flows, hydrogen sulfide content for oil refining
Property gas operating mode, such as the lower natural gas of synthesis gas, sulfur-bearing, Crouse-Scott technique desulfurization process after tail gas, vulcanization
Hydrogen content is relatively low, only hundreds of ppm, but is unable to reach the directly technical indicator of application or qualified discharge, must
It must carry out deep desulfuration.
Complexing Iron liquid phase oxidation desulfurization technology is a kind of Wet Flue Gas Desulfurization Technique, directly will using the complex solution of iron ion
Oxidation of Hydrogen Sulfide is at elemental sulfur.Since the removal effect to hydrogen sulfide is good, the concentration of hydrogen sulfide usually handled in after-purification gas can
To reach 10ppm hereinafter, therefore, which obtains more and more applications.
For typical Complexing Iron desulfurizer as shown in Chinese patent CN 103495333B, main includes that cylindrical desulfurization is anti-
Answer device and the back taper discharge device of bottom.Current Complexing Iron desulfurization technology is all made of bubble tower mode, i.e., hydrogen sulfide containing
(usual 50~65KPa or so) is passed through in the catalyst solution of reactor sour gas under pressure, and gas is from reactor
Bottom rises until liquid level, during this gas-liquid contact, hydrogen sulfide is removed, purified gas qualified discharge.However, such
There are several disadvantages for processing unit, first, the admission pressure to sour gas is more demanding, second is that the design of bubbling column reactor
Empty tower gas velocity usually only 40~120m/hr need to increase the equipment of reactor for the larger desulphurization system of gas flow
Thus size can cause to take up an area a series of big, the high cost problems of investment.
Based on this, deep desulfuration requirement can adapt to there is an urgent need to one kind, and with the economy such as small investment, floor space be small
The desulfurizer and desulphurization system of advantage.
Utility model content
For the drawbacks described above for overcoming in existing Complexing Iron process sour gas technology, one of the purpose of this utility model is
A kind of tower Complexing Iron desulfurizer is provided, disclosure satisfy that deep desulfuration effect and there are significant economic advantages.
The another object of the utility model is to provide a kind of Complexing Iron desulphurization system.
Tower Complexing Iron desulfurizer provided by the utility model include mainly by go to upper and lower the absorbing reaction tower of setting and
The integrated tower that regeneration reactor is formed, wherein the absorbing reaction tower is used to carry out oxygen to sour gas using complexing iron catalyst
Change desulfurization, upper part is provided with Complexing Iron catalyst inlet, and lower part is provided with sour gas import, and bottom is provided with discharge gate；Institute
Regeneration reactor is stated for the complexing iron catalyst after regenerative sulfur binding, and respectively with the Complexing Iron catalyst inlet and the row
Material mouth connects.
In tower Complexing Iron desulfurizer described in the utility model, the diameter of the absorbing reaction tower and the regeneration are anti-
Answer the diameter of device identical.
In tower Complexing Iron desulfurizer described in the utility model, it is provided in the absorbing reaction tower and the complexing
First solution distributor of iron catalyst import connection.
In tower Complexing Iron desulfurizer described in the utility model, the lower section of the first solution distributor is from top to bottom
It sets gradually as packing area and material buffer area；Wherein, filler, the sour gas import setting are provided in the packing area
In in the material buffer area.
In tower Complexing Iron desulfurizer described in the utility model, in the packing area from top to bottom setting there are one or
Multiple the second solution distributors being connect with the Complexing Iron catalyst inlet.
In tower Complexing Iron desulfurizer described in the utility model, it is provided with and removes above the first solution distributor
Mist layer.
In tower Complexing Iron desulfurizer described in the utility model, bottom opening is provided in the regeneration reactor
Isolation board will be divided into air uptake zone and the catalyst circulation area of bottom connection inside the regeneration reactor；The air is inhaled
Area is received to connect with the discharge gate of the absorbing reaction tower；The catalyst circulation area and the Complexing Iron of the absorbing reaction tower are catalyzed
Agent import connects.
In tower Complexing Iron desulfurizer described in the utility model, air uptake zone bottom is provided with air distribution
Device.
In tower Complexing Iron desulfurizer described in the utility model, the tower Complexing Iron desulfurizer further includes sulphur
Filter device is connect with the air uptake zone and the catalyst circulation area respectively.
The utility model additionally provides a kind of Complexing Iron desulphurization system comprising above technical scheme any one of them tower
Formula Complexing Iron desulfurizer.
Tower Complexing Iron desulfurizer provided by the utility model and taking off comprising the tower Complexing Iron desulfurizer
Absorbing reaction tower and regeneration reactor are gone to upper and lower setting and constitute an integrated tower by sulphur system, are had the following advantages：
1) the tower Complexing Iron desulfurizer of the utility model and desulphurization system are conducive to the Complexing Iron containing drusen
Catalyst solution smooth outflow is suitable for each to can guarantee the deep desulfuration effect and desulfuration efficiency of Complexing Iron sulfur removal technology
The kind lower operating mode of sour gas operating mode, especially hydrogen sulfide content, the gas after desulfurization can reach direct emission standard.
2) the tower Complexing Iron desulfurizer of the utility model and desulphurization system equipment integrated level are high, process interface requirement
It is low, big flow sour gas operating mode can be handled, and without ancillary equipments such as superchargers.
3) the tower Complexing Iron desulfurizer of the utility model and desulphurization system have small, small investment of floor space etc. significantly
Cost advantage, production operation is safe and simple, have boundless application prospect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the tower Complexing Iron desulfurizer of the utility model；
Wherein, the reference numerals are as follows：
1, absorbing reaction tower；101, Complexing Iron catalyst inlet；102, sour gas import；103, discharge gate；104, first
Solution distributor；105, demisting layer；2, regeneration reactor；201, isolation board；202, air sparger；3, sulfur filtration device；
4, circulating pump；A, packing area；B, material buffer area；C, air uptake zone；D, catalyst circulation area；A, sour gas；B, purified gas；
C, sulphur；D, oxidation air；E, regeneration tail gas.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, it is new to will be further described below this practicality
The technical solution of the exemplary embodiment of type.
As shown in Figure 1, the one side of the utility model provides a kind of tower Complexing Iron desulfurizer, main body is a collection
It at tower, is formed by the absorbing reaction tower 1 and regeneration reactor 2 that go to upper and lower setting, wherein absorbing reaction tower 1 is used to use network
It closes iron catalyst and oxidation sweetening is carried out to sour gas, upper part is provided with Complexing Iron catalyst inlet 101, and lower part is provided with acidity
Gas import 102, bottom are provided with discharge gate 103, and regeneration reactor 2 is used for the complexing iron catalyst after reducing/regenerating desulfurization,
It is connect respectively with Complexing Iron catalyst inlet 101 and discharge gate 103.
Complexing Iron sulfur removal technology includes mainly acid aspiration (i.e. oxidation sweetening) and two step of catalyst regeneration, is usually arranged
In in a reactor, it is divided into different functional areas, or is arranged to two individual reactors.Pending sour gas and complexing
Iron catalyst solution the inscribed oxidation after touch in the functional areas (or reactor) of acid aspiration form solid-state simple substance sulphur and from acid
It is removed in property gas, the ferric ion in catalyst solution is reduced into ferrous ion, and solid sulphur is then in the form of granules
It is comprised among catalyst solution.Subsequently into the functional areas (or reactor) of catalyst regeneration, it is passed through air thereto,
It is the regenerative process that ferric ion completes complexing iron catalyst by oxidation of divalent iron ion, regenerated complexing iron catalyst returns
It is recycled in the functional areas (or reactor) of acid aspiration, recycling is then discharged in solid sulphur.
The tower Complexing Iron desulfurizer of the utility model by absorbing reaction tower 1 and regeneration reactor 2 go to upper and lower setting and
An integrated tower is constituted, can either ensure the deep desulfuration effect of Complexing Iron sulfur removal technology, and substantially increase device integration,
Reduce the floor space and cost of investment of desulfurizer.Absorbing reaction tower 1 is the reaction unit of sour gas Absorption Desulfurization, waits locating
The sour gas A of reason is entered in absorbing reaction tower 1 and is flowed up, the complexing iron catalyst of liquid by lower part sour gas import 102
Entered absorbing reaction tower 1 by top Complexing Iron catalyst inlet 101 and inversely contacted with sour gas A, thus carries out sour gas
Desulphurization reaction process, the purified gas B after desulfurization can be directly discharged into air from the tower top of absorbing reaction tower 1.Solid-state is wrapped up after reaction
The ferrous ion catalyst of sulphur is discharged into from discharge gate 103 in regeneration reactor 2, is passed through after completing catalyst regeneration wherein
Complexing Iron catalyst inlet 101 is returned again in absorbing reaction tower 1 and is recycled.
In the tower Complexing Iron desulfurizer of the utility model, coaxial cloth under absorbing reaction tower 1 and 2 or more regeneration reactor
The mode set constitutes integrated tower, and absorbing reaction tower and regeneration reactor can be same diameter or reducing.
It, can be by the absorbing reaction tower 1 and regeneration for convenience of installing in an embodiment according to the present utility model
Reactor 2 is set as identical diameter parameters.
In an embodiment according to the present utility model, it is additionally provided in absorbing reaction tower 1 for spraying Complexing Iron
First solution distributor 104 of catalyst, connect with Complexing Iron catalyst inlet 101.Complexing iron catalyst can pass through first
Solution distributor 104 is uniformly distributed, and so as to keep catalyst and the contact of sour gas A more abundant, sour gas A thus can be improved
Absorption and transformation efficiency.In one preferred embodiment, form of nozzle may be used in the first solution distributor 104, with
The drusen carried secretly in catalyst solution is prevented to be deposited in distributor and result in blockage.
In an embodiment according to the present utility model, the lower section of the first solution distributor 104 is from top to bottom successively
It is set as being filled with the common high efficiency packing of packed tower in packing area a and material buffer area b, packing area a, gas-liquid can be promoted more
Add and come into full contact with, reinforce desulfurization effect, the ferrous ion catalyst of solid sulphur is wrapped up after desulphurization reaction through material buffer area b
Regeneration reactor 2 is discharged by discharge gate 103 afterwards.Sour gas import 102 may be provided in the region of material buffer area b, to protect
Card sour gas A comes into full contact with complexing iron catalyst by packing area a, reacts, and realizes the efficient absorption of sour gas and efficiently turns
Change.The pressure drop of packing area a is generally 2-3kPa or so, therefore the tower Complexing Iron desulfurizer of the utility model is in practical fortune
It is very low for the pressure requirements of sour gas A when row, it is not usually required to that the equipment such as sour gas booster fan especially are arranged.
In one preferred embodiment, can be arranged in a of packing area according to the concentration levels of hydrogen sulfide in sour gas A
Filler be one or more layers.From top to bottom be also provided in another preferred embodiment, in a of packing area one or
The second multiple solution distributors (not marked in Fig. 1), the second solution distributor are connect with Complexing Iron catalyst inlet 101,
Iron catalyst is complexed for spraying, further to promote sour gas A to be come into full contact with complexing iron catalyst.Second solution distributor
Form can be identical as the first solution distributor 104.In a preferred embodiment, the second solution distributor can basis
The quantity of packing layer is arranged, for example, being set to the top of each layer of packing layer.
In an embodiment according to the present utility model, the top of the first solution distributor 104, which is also provided with, removes
Mist layer 105.Purified gas after the completion of desulphurization reaction can remove drop contained therein by demisting layer 105, then anti-from absorbing
The tower top of tower 1 is answered to be discharged into air.
Similar with conventional Complexing Iron desulfurizer, regeneration reactor 2 connects the device or pipe for being provided with oxidation air D
Oxidation of divalent iron ion is completed the regeneration of complexing iron catalyst by road, oxidation air D for ferric ion, and regeneration tail gas E can
It is discharged by the top of regeneration reactor 2.
In an embodiment according to the present utility model, the isolation board of bottom opening is provided in regeneration reactor 2
201, the complexing iron catalyst in regeneration reactor 2 can be divided into air uptake zone c and the catalyst circulation area of bottom connection
D, air uptake zone c are connect with the discharge gate 103 of absorbing reaction tower 1, the Complexing Iron of catalyst circulation area d and absorbing reaction tower 1
Catalyst inlet 101 connects.The sulfureted ferrous ion catalyst of packet from absorbing reaction tower 1 enters air uptake zone c,
And can be overflowed to by isolation board 201 in catalyst circulation area d, the complexing iron catalyst after regeneration is returned from catalyst circulation area d
It is back among absorbing reaction tower 1 and recycles.
In an embodiment according to the present utility model, the air uptake zone bottoms c are provided with air sparger 202,
It is connected with oxidation air D, and oxidation air D can be scattered in small bubble and is evenly distributed by air sparger 202, thus be carried
The regeneration efficiency of height complexing iron catalyst.
Similar with conventional Complexing Iron desulfurizer, regeneration reactor 2 is also associated with sulfur filtration device, passes through the device
Solid sulfur in recyclable complexing Iron catalyst system.
In an embodiment according to the present utility model, the tower Complexing Iron desulfurizer of the utility model further includes
Sulfur filtration device 3 is connected with air uptake zone c and catalyst circulation area d respectively.Complexing iron catalyst after regeneration is from urging
Regeneration reactor 2 is discharged in agent race way d, in addition to returning to the part that absorbing reaction tower 1 recycles, separately has part to pass through sulphur
Filter device 3 is filtered to recycle solid sulfur from complexing Iron catalyst system.Pass through the mistake of sulfur filtration device 3
Filter, can be obtained the filter cake of the sulphur C of water capacity 20% or so, filtrate then returns in the air uptake zone c of regeneration reactor 2.
In an embodiment according to the present utility model, it may also include circulating pump 4, to by catalyst circulation area d
In material be pumped into absorbing reaction tower 1 or in sulfur filtration device 3.
The utility model another aspect provides a kind of Complexing Iron desulphurization systems comprising the utility model it is tower
Complexing Iron desulfurizer.In addition, may be used also for variety classes or the sour gas in source, the Complexing Iron desulphurization system of the utility model
Including the air processing unit in arbitrary upstream or downstream.
In conclusion tower Complexing Iron desulfurizer provided by the utility model and desulphurization system can guarantee Complexing Iron desulfurization
It is relatively low to be suitable for various sour gas operating modes, especially big flow, hydrogen sulfide content for the deep desulfuration effect and desulfuration efficiency of technique
Operating mode, device integration is high, process interface require it is low, and with significant cost advantages such as the small, small investments of floor space.
Although with reference to the utility model is exemplary embodiment described, it is to be understood that, term used is explanation and shows
Example property, term and not restrictive.Since the utility model can in a variety of forms be embodied without departing from the utility model
Spirit or essence, so it is also understood that above-described embodiment is not limited to any details above-mentioned, and should be in appended claims
Defined by widely explain in spirit and scope, therefore fall into whole variations in claim or its equivalent scope and remodeling
Appended claims are all should be to be covered.
Claims (10)
1. a kind of tower Complexing Iron desulfurizer, which is characterized in that include anti-by going to upper and lower the absorbing reaction tower of setting and regeneration
The integrated tower for answering device to be formed, wherein the absorbing reaction tower is used to carry out oxidation sweetening to sour gas using complexing iron catalyst,
Upper part is provided with Complexing Iron catalyst inlet, and lower part is provided with sour gas import, and bottom is provided with discharge gate；The regeneration is anti-
It answers device for the complexing iron catalyst after regenerative sulfur binding, and connects respectively with the Complexing Iron catalyst inlet and the discharge gate
It connects.
2. tower Complexing Iron desulfurizer according to claim 1, which is characterized in that the diameter of the absorbing reaction tower and
The diameter of the regeneration reactor is identical.
3. tower Complexing Iron desulfurizer according to claim 1 or 2, which is characterized in that set in the absorbing reaction tower
It is equipped with the first solution distributor being connect with the Complexing Iron catalyst inlet.
4. tower Complexing Iron desulfurizer according to claim 3, which is characterized in that under the first solution distributor
Side from top to bottom sets gradually as packing area and material buffer area；Wherein, filler, the acidity are provided in the packing area
Gas import is set in the material buffer area.
5. tower Complexing Iron desulfurizer according to claim 4, which is characterized in that from top to bottom set in the packing area
It is equipped with one or more the second solution distributors being connect with the Complexing Iron catalyst inlet.
6. tower Complexing Iron desulfurizer according to claim 3, which is characterized in that the first solution distributor it is upper
Side is provided with demisting layer.
7. tower Complexing Iron desulfurizer according to claim 1 or 2, which is characterized in that set in the regeneration reactor
It is equipped with the isolation board of bottom opening, air uptake zone and the catalyst circulation of bottom connection will be divided into inside the regeneration reactor
Area；The air uptake zone is connect with the discharge gate of the absorbing reaction tower, the catalyst circulation area and the absorbing reaction
The Complexing Iron catalyst inlet of tower connects.
8. tower Complexing Iron desulfurizer according to claim 7, which is characterized in that air uptake zone bottom is arranged
There is air sparger.
9. tower Complexing Iron desulfurizer according to claim 7, which is characterized in that the tower Complexing Iron desulfurizer
Further include sulfur filtration device, is connect respectively with the air uptake zone and the catalyst circulation area.
10. a kind of Complexing Iron desulphurization system, which is characterized in that de- including the tower Complexing Iron of claim 1-9 any one of them
Sulphur device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820040903.6U CN208049710U (en) | 2018-01-10 | 2018-01-10 | A kind of tower Complexing Iron desulfurizer and Complexing Iron desulphurization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820040903.6U CN208049710U (en) | 2018-01-10 | 2018-01-10 | A kind of tower Complexing Iron desulfurizer and Complexing Iron desulphurization system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113209785A (en) * | 2021-04-02 | 2021-08-06 | 宁波泽瑞环保科技有限公司 | High-efficient sulphur is retrieved and tail gas processing apparatus |
| CN114053871A (en) * | 2020-07-30 | 2022-02-18 | 唐山惠川环保科技有限公司 | Complex iron desulfurization and regeneration process method |
-
2018
- 2018-01-10 CN CN201820040903.6U patent/CN208049710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053871A (en) * | 2020-07-30 | 2022-02-18 | 唐山惠川环保科技有限公司 | Complex iron desulfurization and regeneration process method |
| CN113209785A (en) * | 2021-04-02 | 2021-08-06 | 宁波泽瑞环保科技有限公司 | High-efficient sulphur is retrieved and tail gas processing apparatus |
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