CN109897709A - The oxidation regeneration device of matrix form combination - Google Patents
The oxidation regeneration device of matrix form combination Download PDFInfo
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- CN109897709A CN109897709A CN201811583843.3A CN201811583843A CN109897709A CN 109897709 A CN109897709 A CN 109897709A CN 201811583843 A CN201811583843 A CN 201811583843A CN 109897709 A CN109897709 A CN 109897709A
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- small
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- regenerator
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- 230000003647 oxidation Effects 0.000 title claims abstract description 133
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 133
- 230000008929 regeneration Effects 0.000 title claims abstract description 46
- 238000011069 regeneration method Methods 0.000 title claims abstract description 46
- 239000011159 matrix material Substances 0.000 title claims abstract description 21
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000005864 Sulphur Substances 0.000 claims abstract description 32
- 230000001590 oxidative effect Effects 0.000 claims abstract description 32
- 238000010521 absorption reaction Methods 0.000 claims abstract description 24
- 230000001172 regenerating effect Effects 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000006477 desulfuration reaction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- XAQHXGSHRMHVMU-UHFFFAOYSA-N [S].[S] Chemical compound [S].[S] XAQHXGSHRMHVMU-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000033116 oxidation-reduction process Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The present invention provides a kind of oxidation regeneration device of matrix form combination, a kind of oxidation regeneration device of matrix form combination, it is constituted using more small-sized oxidation regenerator combinations, it is characterized by: more small-sized oxidation regenerators are divided into, M column are in parallel to be constituted, and each column is by the small-sized oxidizing tower of N platform multi-stage oxidizing regenerating unit in series；The multi-stage oxidizing regenerating unit in series by the small-sized oxidizing tower of N platform includes first to N grades small-sized oxidation regenerators, wherein the small-sized oxidation regenerator of the first order is connect with absorption tower outlet header, it is connected respectively with overflow pipe between the adjacent small-sized oxidation regenerator of two-stage, the first order small-sized oxidation regenerator bottom is connected to filter by level-one sulphur stock pump, other small-sized oxidation regenerator bottoms at different levels pass through sulphur stock pump respectively and are connected to the small-sized oxidation regenerator of the first order or the small-sized oxidation regenerator of prime, N grades of small-sized oxidation regenerators connect absorption tower lean solution arrival manifold by lean pump.
Description
Technical field
The present invention relates to a kind of oxidation regeneration devices of matrix form combination, de- especially suitable for liquid phase oxidation reduction method double tower
Oxidation regeneration is carried out to iron catalyst in sulphur technique.
Background technique
Traditional liquid phase oxidation-reduction method double tower sulfur removal technology (LO-CAT technique) mainly includes absorption tower, oxidation regeneration dress
It sets, also typically includes the concentration of sulphur slurry and purification devices.Its system diagram is referring to attached drawing 1.The wherein existing design of oxidation regeneration device
It is following several: 1, using a large capacity oxidation regeneration device, disadvantage is that: operating flexibility is small, and skidization is difficult.
2, simply in parallel using more low capacity oxidation regeneration devices, disadvantage is that: matching pump and flow control valve group quantity
More, bias current is not easy to control, inconvenient for operation.
Summary of the invention
Therefore the purpose of the present invention is to provide a kind of oxidation regeneration devices of matrix form combination, are suitable for liquid phase oxidation also
Oxidation regeneration is carried out to iron catalyst in former method double tower sulfur removal technology.
The oxidation regeneration device of matrix form combination provided by the invention is constituted using more small-sized oxidation regenerator combinations,
More small-sized oxidation regenerators are divided into M column composition in parallel, and each column is by the small-sized oxidizing tower of N platform multi-stage oxidizing regeneration dress in series
It sets；The multi-stage oxidizing regenerating unit in series by the small-sized oxidizing tower of N platform includes first to N grades small-sized oxidation regenerations
Tower, wherein the small-sized oxidation regenerator of the first order is connect with absorption tower outlet header, is divided between the adjacent small-sized oxidation regenerator of two-stage
It is not connected with overflow pipe, the first order small-sized oxidation regenerator bottom is connected to filter by level-one sulphur stock pump, other are at different levels small-sized
Oxidation regeneration tower bottom passes through sulphur stock pump respectively and is connected to the small-sized oxidation regenerator of the first order or the small-sized oxidation regenerator of prime, N
The small-sized oxidation regenerator of grade connects absorption tower lean solution arrival manifold by lean pump.
Further, the multi-stage oxidizing regenerating unit in series by the small-sized oxidizing tower of N platform includes jet pump,
Import connects the middle part of N grades of small-sized oxidation regenerators, outlet while the spray for being connected to small-sized oxidation regeneration overhead portions at different levels
Shower device.
Further, the multi-stage oxidizing regenerating unit in series by the small-sized oxidizing tower of N platform includes air compression
Machine, outlet while the bottom for being connected to small-sized oxidation regenerators at different levels.
Further, each N grades small-sized oxidation regenerators connect lean solution general pipeline by lean pump, and lean solution general pipeline connection absorbs
Tower lean solution arrival manifold, wherein lean solution general pipeline is equipped with flowmeter and flow control valve.
Further, the first order in the multi-stage oxidizing regenerating unit in series by the small-sized oxidizing tower of N platform is small
Flowmeter and flow control valve are equipped between type oxidation regeneration tower and absorption tower outlet header.
Beneficial effects of the present invention are, technological operation elasticity is big, adapts to various concentration desulfuration solution operating condition, can reduce pump and
The quantity of flow control valve group, and easily controllable bias current problem, more convenient operation.Suitable for customized production and skid.
The present invention is described further with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is the system structure diagram of LO-CAT technique.
Fig. 2 is the system structure diagram of embodiment one.
Fig. 3 is the system structure diagram of embodiment two.
Specific embodiment
Embodiment one:
The present embodiment provides a kind of oxidation regeneration devices of matrix form combination, referring to attached drawing 2, in the present embodiment, come from absorption tower
Export the total 560m of rich solution of header3/ h designs Sulfur capacity 1.5g (H2S)/L (desulfuration solution), desulfuration solution internal circulating load 560m3/ h, sulphur
Sulphur scale is 15t/d, and according to sulphur scale, a kind of oxidation regeneration device of matrix form combination described in the present embodiment is small by 10
Type oxidation regeneration tower is divided into 5 column parallel connections composition, and each column is by 2 small-sized oxidizing tower secondary oxidation regenerating units in series, each column
Sulphur treating capacity be 3t/d.
By two-stage oxidation regenerating unit that 2 small-sized oxidizing towers are in series described in the present embodiment (by taking first row as an example)
Including the small-sized oxidation regenerator T-101A of the first order, the small-sized oxidation regenerator T-102A in the second level, the small-sized oxidation regeneration of the first order
Tower T-101A is connect with absorption tower outlet header, the small-sized oxidation regenerator T-101A of the first order, the small-sized oxidation regenerator in the second level
T-102A is connected with overflow pipe, and the interface position of the overflow pipe and the small-sized oxidation regenerator T-101A of the first order overflow higher than this
The interface position of flow tube and the small-sized oxidation regenerator T-102A in the second level.
The small-sized oxidation regenerator T-101A tower bottom of the first order is connected to vacuum filter by level-one sulphur stock pump P-101A, warp
Enter the concentration of sulphur slurry and purification devices after filtering.The small-sized oxidation regenerator T-102A tower bottom in the second level is connected by sulphur stock pump P-102A
It is connected to the small-sized oxidation regenerator T-101A of the first order, the small-sized oxidation regenerator T-102A in the second level is connected by lean pump P-104A
Absorption tower lean solution arrival manifold.
Further include one by 2 small-sized oxidizing towers two-stage oxidation regenerating unit in series described in the present embodiment to spray
Pump P-103A, import connect the small-sized oxidation regenerator T-102A in the second level middle part, outlet at the same be connected to two it is small-sized
Spray equipment at the top of oxidation regeneration tower T-102A, T-102A.
It by 2 small-sized oxidizing tower two-stage oxidation regenerating units in series further include an air pressure described in the present embodiment
Contracting machine BL-101A, outlet while the bottom for being connected to small-sized oxidation regenerator T-102A, T-102A at different levels.
Each small-sized oxidation regenerator T- in the second level in a kind of oxidation regeneration device of the combination of matrix form described in the present embodiment
102A, T-102B, T-102C, T-102D, T-102E pass through lean pump P-104A, P-104B, P-104C, P-104D, P- respectively
104E connection lean solution general pipeline, lean solution general pipeline are connected to absorption tower lean solution arrival manifold, and lean solution general pipeline is equipped with flowmeter and stream
Control valve FV102, flow setting value 560m3/h。
The small-sized oxidation regenerator of 4 first order in a kind of oxidation regeneration device of the combination of matrix form described in the present embodiment
Flowmeter and flow control valve are respectively equipped between T-101A, T-101B, T-101C, T-101D and absorption tower outlet header
FV101A, FV101B, FV101C, FV101D, flow setting value 112m3/ h, the in addition small-sized oxidation regenerator T- of 1 first order
Flowmeter is only set between 101E and absorption tower outlet header.
A kind of course of work of the oxidation regeneration device of the combination of matrix form described in the present embodiment is: always self-absorption tower goes out
The rich solution of mouth header is divided into 5 tunnels and respectively enters 5 stair oxidation towers T-101A, T-101B, T-101C, T-101D, T-
101E, most of sulphur in rich solution settle in stair oxidation tower T-101A, T-101B, T-101C, T-101D, T-101E,
Enter downstream vacuum filter, level-one oxygen by tower bottom level-one sulphur stock pump P-101A, P-101B, P-101C, P-101D, P-101E
The solution and remaining sulphur for changing the top tower T-101A, T-101B, T-101C, T-101D, T-101E pass through corresponding overflow respectively
The sulphur that pipe enters corresponding secondary oxidation tower T-102A, T-102B, T-102C, T-102D, T-102E progress secondary settlement is logical
Cross tower bottom second level sulphur stock pump P-102A, P-102B, P-102C, P-102D, P-102E return corresponding stair oxidation tower T-101A,
T-101B, T-101C, T-101D, T-101E, the middle part secondary oxidation tower T-102A, T-102B, T-102C, T-102D, T-102E
Lean solution a part respectively enter corresponding stair oxidation through jet pump P-103A, P-103B, P-103C, P-103D, P-103E
Tower T-101A, T-101B, T-101C, T-101D, T-101E and secondary oxidation tower T-102A, T-102B, T-102C, T-102D,
At the top of T-102E, it is injected in solution surface and plays the role of defoaming, another part returns after lean pump A/B/C/D/E pressurization to be absorbed
Tower desulfurization.
Compared with conventional 1x10 scheme, 2x5 scheme can reduce by 10 pumps, reduce by 5 sets of flow control valve groups, since parallel connection arranges
Number is reduced, and bias current problem is easier to solve, more convenient operation.And is conducive to solution oxide regeneration uniformly, solves and aoxidized
Degree and dysoxidation problem, keep desulfurization cleaner, and device operation is more stable.Simultaneously avoid solution oxide it is excessive caused by medicament
Degradation problem advantageously reduces reagent consumption, reduces device operating cost.
Embodiment two:
The present embodiment provides a kind of oxidation regeneration devices of matrix form combination, referring to attached drawing 3, in the present embodiment, come from absorption tower
Export the total 504m of rich solution of header3/ h designs Sulfur capacity 2.0g (H2S)/L (desulfuration solution), desulfuration solution internal circulating load 504m3/ h, sulphur
Sulphur scale is 18t/d, and according to sulphur scale, a kind of oxidation regeneration device of matrix form combination described in the present embodiment is small by 9
Type oxidation regeneration tower is divided into 3 column parallel connections composition, and each column is by 3 small-sized oxidizing tower tertiary oxidation regenerating units in series, each column
Sulphur treating capacity be 6t/d.
By tertiary oxidation regenerating unit that 3 small-sized oxidizing towers are in series described in the present embodiment (by taking first row as an example)
Including the small-sized oxidation regenerator T-201A of the first order, the small-sized oxidation regenerator T-202A in the second level and the small-sized oxidation regeneration of the third level
Tower T-203A, the small-sized oxidation regenerator T-201A of the first order are connect with absorption tower outlet header, the small-sized oxidation regenerator of the first order
T-201A, the small-sized oxidation regenerator T-202A in the second level are connected with overflow pipe, the overflow pipe and the small-sized oxidation regenerator of the first order
The interface position of T-201A is relatively high, relatively low with the interface position of the small-sized oxidation regenerator T-202A in the second level.The second level is small
Type oxidation regeneration tower T-202A, the small-sized oxidation regenerator T-203A of the third level are connected with overflow pipe, and the overflow pipe and the second level are small
The interface position of type oxidation regeneration tower T-202A is higher than the interface position of the overflow pipe and the small-sized oxidation regenerator T-203A of the third level
It sets.
The small-sized oxidation regenerator T-201A tower bottom of the first order is connected to flame filter press by level-one sulphur stock pump P-201A, warp
Enter the concentration of sulphur slurry and purification devices after filtering.The small-sized oxidation regenerator T-202A in the second level and the small-sized oxidation regenerator of the third level
T-203A tower bottom passes through second level sulphur stock pump P-202A respectively and three-level sulphur stock pump P-203A is connected to the small-sized oxidation regeneration of the first order
Tower T-201A, the small-sized oxidation regenerator T-203A of the third level pass through lean pump P-205A connection absorption tower lean solution arrival manifold.
It by 3 small-sized oxidizing tower tertiary oxidation regenerating units in series further include a jet pump described in the present embodiment
P-204A, import connect the middle part of the small-sized oxidation regenerator T-203A of the third level, export while being connected to three small oxygens
Change the spray equipment at the top of regenerator T-201A, T-202A, T-203A.
It by 3 small-sized oxidizing tower tertiary oxidation regenerating units in series further include an air pressure described in the present embodiment
Contracting machine BL-201A, outlet while the bottom for being connected to three small-sized oxidation regenerator T-201A, T-202A, T-203A.
The small-sized oxidation regenerator of 2 first order in a kind of oxidation regeneration device of the combination of matrix form described in the present embodiment
It is respectively equipped with flowmeter and flow control valve FV201A between A1, B1 and absorption tower outlet header, flow setting value is
168m3/h.Flowmeter is only set between the small-sized oxidation regenerator C1 of other 1 first order and absorption tower outlet header.
A kind of course of work of the oxidation regeneration device of the combination of matrix form described in the present embodiment is: always self-absorption tower goes out
The rich solution of mouth header is divided into 3 tunnels and respectively enters 3 stair oxidations tower T-201A, T-201B, T-201C, the big portion in rich solution
Point sulphur settles in stair oxidation tower T-201A, T-201B, T-201C, by tower bottom level-one sulphur stock pump P-201A, P-201B,
P-201C enters downstream flame filter press, the solution on the top stair oxidation tower P-201A, P-201B, P-201C and remaining sulphur point
Not Jing Guo corresponding overflow pipe enter corresponding secondary oxidation tower P-202A, P-202B, P-202C and carry out secondary settlement, it is secondary heavy
The sulphur of drop returns to corresponding stair oxidation tower T-201A, T- by tower bottom second level sulphur stock pump P-202A, P-202B, P-202C
201B, T-201C, the solution on the top secondary oxidation tower P-202A, P-202B, P-202C and remaining sulphur pass through accordingly respectively
Overflow pipe enters corresponding tertiary oxidation tower P-203A, P-203B, P-203C, and the sulphur of third time sedimentation passes through tower bottom three-level sulphur
Stock pump P-203A, P-203B, P-203C return to corresponding stair oxidation tower T-201A, T-201B, T-201C, can also return to phase
Secondary oxidation tower T-202A, T-202B, the T-202C answered.
A part of lean solution is through jet pump P-204A, P-204B, P- in tertiary oxidation tower T-203A, T-203B, T-203C
204C enters each small-sized oxidation top of tower, is injected in solution surface and plays the role of defoaming, a part is through lean pump P-205A, P-
Absorption tower desulfurization is returned after 205B, P-205C pressurization.
Compared with conventional 1x10 scheme, 3x3 scheme can reduce by 15 pumps, reduce by 7 sets of flow control valve groups, and due to simultaneously
Connection columns is less, and bias current problem is more easier to solve, and operates more convenient.And is conducive to solution oxide regeneration uniformly, solves
Hyperoxidation and dysoxidation problem, keep desulfurization cleaner, and device operation is more stable.Solution oxide is avoided simultaneously excessively to make
At agent degradation problem, advantageously reduce reagent consumption, reduce device operating cost.
Above embodiments are only to be not intended to limit this to absolutely prove preferable specific embodiment that is of the invention and being lifted
The protection scope of invention.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, at this
Within the protection scope of invention.Protection scope of the present invention be subject to claims record content.
Claims (5)
1. a kind of oxidation regeneration device of matrix form combination is constituted using more small-sized oxidation regenerator combinations, it is characterised in that:
More small-sized oxidation regenerators are divided into M column composition in parallel, and each column is by the small-sized oxidizing tower of N platform multi-stage oxidizing regeneration dress in series
It sets；The multi-stage oxidizing regenerating unit in series by the small-sized oxidizing tower of N platform includes first to N grades small-sized oxidation regenerations
Tower, wherein the small-sized oxidation regenerator of the first order is connect with absorption tower outlet header, is divided between the adjacent small-sized oxidation regenerator of two-stage
It is not connected with overflow pipe, the first order small-sized oxidation regenerator bottom is connected to filter by level-one sulphur stock pump, other are at different levels small-sized
Oxidation regeneration tower bottom passes through sulphur stock pump respectively and is connected to the small-sized oxidation regenerator of the first order or the small-sized oxidation regenerator of prime, N
The small-sized oxidation regenerator of grade connects absorption tower lean solution arrival manifold by lean pump.
2. a kind of oxidation regeneration device of matrix form combination as described in claim 1, it is characterised in that: described small by N platform
Type oxidizing tower multi-stage oxidizing regenerating unit in series includes jet pump, and import connects N grades of small-sized oxidation regenerators
Middle part, outlet while the spray equipment for being connected to small-sized oxidation regeneration overhead portions at different levels.
3. a kind of oxidation regeneration device of matrix form combination as described in claim 1, it is characterised in that: described small by N platform
Type oxidizing tower multi-stage oxidizing regenerating unit in series includes air compressor, exports while being connected to small-sized oxidations at different levels
The bottom of regenerator.
4. a kind of oxidation regeneration device of matrix form combination as described in claim 1, it is characterised in that: each N grades of small oxygens
Change regenerator and lean solution general pipeline, lean solution general pipeline connection absorption tower lean solution arrival manifold, wherein on lean solution general pipeline are connected by lean pump
Equipped with flowmeter and flow control valve.
5. a kind of oxidation regeneration device of matrix form combination as described in claim 1, it is characterised in that: described small by N platform
The small-sized oxidation regenerator of the first order in type oxidizing tower multi-stage oxidizing regenerating unit in series and absorption tower outlet header it
Between be equipped with flowmeter and flow control valve.
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| CN201811583843.3A CN109897709A (en) | 2018-12-24 | 2018-12-24 | The oxidation regeneration device of matrix form combination |
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| CN201811583843.3A CN109897709A (en) | 2018-12-24 | 2018-12-24 | The oxidation regeneration device of matrix form combination |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596405A (en) * | 2009-06-29 | 2009-12-09 | 安徽工业大学 | A kind of wet catalyzed oxidation desulfuration method and device thereof |
| CN201445905U (en) * | 2009-06-29 | 2010-05-05 | 安徽工业大学 | Process unit for waste gas utilization in gas desulfurization process by liquid phase catalyzed oxidation |
| CN103357250A (en) * | 2012-04-06 | 2013-10-23 | 李志远 | Facility and process for collecting carbon dioxide and/or hydrogen sulfide from gas mixture |
| CN104745238A (en) * | 2013-12-27 | 2015-07-01 | 田振鹏 | Improved alkali source system of desulfurization process of coking plant |
| CN209555170U (en) * | 2018-12-24 | 2019-10-29 | 中石化石油工程技术服务有限公司 | The oxidation regeneration device of matrix form combination |
-
2018
- 2018-12-24 CN CN201811583843.3A patent/CN109897709A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596405A (en) * | 2009-06-29 | 2009-12-09 | 安徽工业大学 | A kind of wet catalyzed oxidation desulfuration method and device thereof |
| CN201445905U (en) * | 2009-06-29 | 2010-05-05 | 安徽工业大学 | Process unit for waste gas utilization in gas desulfurization process by liquid phase catalyzed oxidation |
| CN103357250A (en) * | 2012-04-06 | 2013-10-23 | 李志远 | Facility and process for collecting carbon dioxide and/or hydrogen sulfide from gas mixture |
| CN104745238A (en) * | 2013-12-27 | 2015-07-01 | 田振鹏 | Improved alkali source system of desulfurization process of coking plant |
| CN209555170U (en) * | 2018-12-24 | 2019-10-29 | 中石化石油工程技术服务有限公司 | The oxidation regeneration device of matrix form combination |
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