CN207769536U - A kind of self-loopa hydrogen peroxide desulfurizer - Google Patents
A kind of self-loopa hydrogen peroxide desulfurizer Download PDFInfo
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- CN207769536U CN207769536U CN201721799433.3U CN201721799433U CN207769536U CN 207769536 U CN207769536 U CN 207769536U CN 201721799433 U CN201721799433 U CN 201721799433U CN 207769536 U CN207769536 U CN 207769536U
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- sulfuric acid
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Abstract
The utility model discloses a kind of self-loopa hydrogen peroxide desulfurizers, including sulfuric acid absorption tower（1）, the sulfuric acid absorption tower（1）Finished product sulfuric acid outlet pass through branched pipe and electrolytic cell（2）Feed(raw material)inlet be connected, and electrolytic cell（2）Corresponding feed(raw material)inlet be also connected respectively with the delivery pipe of water pipe, a concentration of 20%~40% dilute sulfuric acid；The electrolytic cell（2）Delivery outlet pass through peroxy-disulfuric acid efferent duct and hydrolytic tank（3）Feed(raw material)inlet be connected, hydrolytic tank（3）Corresponding feed(raw material)inlet be also connected with corresponding water pipe；The hydrolytic tank（3）Delivery outlet pass through mixed liquor efferent duct and desulfurizing tower（5）Mixed solution inlet opening be connected, one end be arranged in desulfurizing tower（5）The dilute sulfuric acid delivery pipe of bottom carries circulating pump（4）And its other end is connected with the feed(raw material)inlet of sulfuric acid absorption tower.The desulfurizer of the utility model can be integrated and optimize with existing sulfuric acid production plant, simple in structure and at low cost.
Description
Technical field
The utility model is related to contain SO2Flue gas desulfurization technique field, it is specifically a kind of to be suitable for Sulphuric Acid Enterprises or double
The self-loopa hydrogen peroxide desulfurizer of the enterprise of oxygen water inconvenience transport.
Background technology
Currently, hydrogen peroxide desulfurization administers field using more, not only in the sulfur dioxide flue gas of the industries such as sulfuric acid, smelting
Desulfuration efficiency is high, and does not generate secondary pollution, with the obvious advantage.But it is limited by region, many enterprises are since periphery is without dioxygen
Water is supplied, or is limited by harmful influence transport, and the desulfurization technology can not be used.
Invention content
The purpose of this utility model is in view of the problems of the existing technology, to provide a kind of without outsourcing hydrogen peroxide, utilization
Finished product sulfuric acid is that raw material carries out desulfurization, the self-loopa hydrogen peroxide desulfurization of the enterprise transported suitable for Sulphuric Acid Enterprises or hydrogen peroxide inconvenience
Device.
The purpose of this utility model solves by the following technical programs：
A kind of self-loopa hydrogen peroxide desulfurizer, including sulfuric acid absorption tower, it is characterised in that：The sulfuric acid absorption tower at
Product sulfuric acid outlet is connected by branched pipe with the feed(raw material)inlet of electrolytic cell, and the corresponding feed(raw material)inlet of electrolytic cell also respectively with
Water pipe, a concentration of 20%~40% the delivery pipe of dilute sulfuric acid be connected；The delivery outlet of the electrolytic cell is exported by peroxy-disulfuric acid
Pipe is connected with the feed(raw material)inlet of hydrolytic tank, and the corresponding feed(raw material)inlet of hydrolytic tank is also connected with corresponding water pipe；The hydrolysis
The delivery outlet of slot is connected by mixed liquor efferent duct with the mixed solution inlet opening of desulfurizing tower, and one end is arranged in desulfurization tower bottom
The delivery pipe of a concentration of 20%~40% dilute sulfuric acid carries circulating pump and its other end is connected with the feed(raw material)inlet of sulfuric acid absorption tower
It connects.
The hydrolytic tank is using vacuum distillation structure type.
The circulating pump is pumped using engineering plastic pump or Fluorine-lined.
The desulfurizing tower uses void tower or packed tower.
When the desulfurizing tower uses packed tower, the delivery pipe of a concentration of 20%~40% dilute sulfuric acid by branched pipe and takes off
The spray distributor on sulphur tower top is connected, and spray distributor sprays downwards in a concentration of 20%~40% dilute sulfuric acid to packing layer
With the remaining SO in flue gas from bottom to top2Further reaction.
The utility model has the following advantages compared with prior art：
The utility model by sulfuric acid absorption tower, hydrolytic tank, hydrolytic tank, circulating pump, desulfurizing tower and corresponding water pipe and
Conveyance conduit constitutes the main part of desulfurizer, which is produced using sulfuric acid as medium by being electrolysed
The raw diluted acid mixed liquor containing hydrogen peroxide, to containing SO2Flue gas re-forms sulfuric acid after carrying out desulfurization process, and raw material is finished product sulfuric acid, cigarette
Gas and water and final products are finished product sulfuric acid, and intermediate products are a concentration of 20%~40% dilute sulfuric acids, i.e., needed for raw material and intermediate produce
Product are sulfuric acid, with strong points for Sulphuric Acid Enterprises or similar enterprises, eliminate raw material and purchase link, can be with existing sulfuric acid
Process units is integrated and optimization, especially suitable for the desulfurization of small-scale hydrogen peroxide desulfurizer, especially Sulphuric Acid Enterprises itself
With.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the self-loopa hydrogen peroxide desulfurizer of the utility model.
Wherein：1-sulfuric acid absorption tower；2-electrolytic cells；3-hydrolytic tanks；4-circulating pumps；5-desulfurizing towers.
Specific implementation mode
The utility model is further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1：A kind of self-loopa hydrogen peroxide desulfurizer, including sulfuric acid absorption tower 1, the sulfuric acid absorption tower 1 at
Product sulfuric acid outlet is connected by branched pipe with the feed(raw material)inlet of electrolytic cell 2, and the corresponding feed(raw material)inlet of electrolytic cell 2 is also distinguished
It is connected with the delivery pipe of water pipe, a concentration of 20%~40% dilute sulfuric acid；The delivery outlet of electrolytic cell 2 passes through peroxy-disulfuric acid efferent duct
It is connected with the feed(raw material)inlet of hydrolytic tank 3, the corresponding feed(raw material)inlet of hydrolytic tank 3 is also connected with corresponding water pipe；Hydrolytic tank 3
Delivery outlet is connected by mixed liquor efferent duct with the mixed solution inlet opening of desulfurizing tower 5, and one end is arranged in the dense of 5 bottom of desulfurizing tower
Degree carries circulating pump 4 for the delivery pipe of 20%~40% dilute sulfuric acid and its other end is connected with the feed(raw material)inlet of sulfuric acid absorption tower
It connects.
In above-mentioned apparatus, to improve efficiency, hydrolytic tank 3 is using vacuum distillation structure type；Circulating pump 4 uses engineering plastic
Material pump or Fluorine-lined pump；Desulfurizing tower 5 use void tower or packed tower, when desulfurizing tower 5 using packed tower when, a concentration of 20%~40% it is dilute
The delivery pipe of sulfuric acid is connected by branched pipe with the spray distributor on 5 top of desulfurizing tower, and spray distributor sprays downwards concentration
For the remaining SO in flue gas in 20%~40% dilute sulfuric acid to packing layer and from bottom to top2Further reaction.The self-loopa is double
Equipment employed in oxygen water new desulfurization process, sulphur removal acid absorption column 1, hydrolytic tank 2, hydrolytic tank 3, circulating pump 4, desulfurizing tower 5 with
And outside corresponding water pipe and conveyance conduit, it is also necessary to according to the mating corresponding pipeline of actual conditions, valve, instrument etc..
Embodiment one
When desulfurizing tower 5 is using void tower structure, the desulfurizer of the utility model in use, will come from sulfuric acid suction first
Receive finished product sulfuric acid and the water for coming from water pipe of tower 1 and/or come from a concentration of 20%~40% dilute sulfuric acid delivery pipe it is dilute
Sulfuric acid is configured to a concentration of 50%~60% sulfuric acid solution in electrolytic cell 2；Electrolytic cell 2 is using inert electrode to a concentration of 50%
~60% sulfuric acid solution is electrolysed, and peroxy-disulfuric acid is generated under low-temperature electrolytic environment；Peroxy-disulfuric acid is transported to water in hydrolytic tank
Solution generates the mixed liquor of dilute sulfuric acid and hydrogen peroxide；Above-mentioned mixed liquor addition desulfurizing tower 5 is used as by mixed liquor efferent duct and contains SO2
The desulfurization absorbent of flue gas carries out desulfurization process, SO of the hydrogen peroxide in desulfurizing tower 5 and in flue gas in mixed liquor2Reaction generates
Dilute sulfuric acid；A concentration of 20%~40% dilute sulfuric acid part generated in desulfurizing tower 5 is sent into sulfuric acid absorption tower 1 as intermediate products
A concentration of 50%~60% sulphur is mixed into for producing finished product sulfuric acid, a part as raw material and finished product sulfuric acid in electrolytic cell 2
Acid solution and electrolytically generated peroxy-disulfuric acid.
Embodiment two
When desulfurizing tower 5 is using filler tower structure, the desulfurizer of the utility model in use, will come from sulfuric acid first
The finished product sulfuric acid on absorption tower 1 and come from the water of water pipe and/or come from a concentration of 20%~40% dilute sulfuric acid delivery pipe
Dilute sulfuric acid is configured to a concentration of 50%~60% sulfuric acid solution in electrolytic cell 2；Electrolytic cell 2 is using inert electrode to a concentration of
50%~60% sulfuric acid solution is electrolysed, and peroxy-disulfuric acid is generated under low-temperature electrolytic environment；Peroxy-disulfuric acid is transported to hydrolytic tank
Middle hydrolysis generates the mixed liquor of dilute sulfuric acid and hydrogen peroxide；Above-mentioned mixed liquor addition desulfurizing tower 5 is used as by mixed liquor efferent duct
Containing SO2The desulfurization absorbent of flue gas carries out desulfurization process, SO of the hydrogen peroxide in desulfurizing tower 5 and in flue gas in mixed liquor2Reaction
Generate dilute sulfuric acid；A concentration of 20%~40% dilute sulfuric acid part generated in desulfurizing tower 5 is transported to the spray on 5 top of desulfurizing tower
It is sprayed to downwards in distributor in packing layer and the remaining SO in flue gas from bottom to top2During further reaction, a part are used as
Between product be sent into sulfuric acid absorption tower 1 for producing finished product sulfuric acid, a part is mixed as raw material and finished product sulfuric acid electrolytic cell 2 is interior
Sulfuric acid solution at a concentration of 50%~60% and electrolytically generated peroxy-disulfuric acid.
The utility model passes through sulfuric acid absorption tower 1, hydrolytic tank 2, hydrolytic tank 3, circulating pump 4, desulfurizing tower 5 and corresponding water
Pipe and conveyance conduit constitute the main part of desulfurizer, which passes through electricity using sulfuric acid as medium
Solution generates the diluted acid mixed liquor containing hydrogen peroxide, to containing SO2Flue gas re-forms sulfuric acid after carrying out desulfurization process, and raw material is finished product sulphur
Acid, cigarette gas and water and final products are finished product sulfuric acid, and intermediate products are a concentration of 20%~40% dilute sulfuric acids, i.e., needed for raw material and
Intermediate products are sulfuric acid, with strong points for Sulphuric Acid Enterprises or similar enterprises, eliminate raw material and purchase link, can with it is existing
Sulfuric acid production plant integrate and optimization, the desulfurization for small-scale hydrogen peroxide desulfurizer, especially Sulphuric Acid Enterprises itself
It is especially suitable.
Above example is only to illustrate the technological thought of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution each falls within this reality
Within the scope of novel protected；The technology that the utility model is not directed to can be realized by the prior art.
Claims (5)
1. a kind of self-loopa hydrogen peroxide desulfurizer, including sulfuric acid absorption tower（1）, it is characterised in that：The sulfuric acid absorption tower（1）
Finished product sulfuric acid outlet pass through branched pipe and electrolytic cell（2）Feed(raw material)inlet be connected, and electrolytic cell（2）Corresponding raw material enter
Mouth is also connected with the delivery pipe of water pipe, a concentration of 20%~40% dilute sulfuric acid respectively；The electrolytic cell（2）Delivery outlet pass through
Peroxy-disulfuric acid efferent duct and hydrolytic tank（3）Feed(raw material)inlet be connected, hydrolytic tank（3）Corresponding feed(raw material)inlet also with corresponding water
Pipe is connected；The hydrolytic tank（3）Delivery outlet pass through mixed liquor efferent duct and desulfurizing tower（5）Mixed solution inlet opening be connected
It connects, one end is arranged in desulfurizing tower（5）The delivery pipe of a concentration of 20%~40% dilute sulfuric acid of bottom carries circulating pump（4）And it is another
One end is connected with the feed(raw material)inlet of sulfuric acid absorption tower.
2. self-loopa hydrogen peroxide desulfurizer according to claim 1, it is characterised in that：The hydrolytic tank（3）Using
It is evaporated under reduced pressure structure type.
3. self-loopa hydrogen peroxide desulfurizer according to claim 1, it is characterised in that：The circulating pump（4）Using
Engineering plastic pump or Fluorine-lined pump.
4. self-loopa hydrogen peroxide desulfurizer according to claim 1, it is characterised in that：The desulfurizing tower（5）Using
Void tower or packed tower.
5. self-loopa hydrogen peroxide desulfurizer according to claim 1, it is characterised in that：The desulfurizing tower（5）Using
When packed tower, the delivery pipe of a concentration of 20%~40% dilute sulfuric acid passes through branched pipe and desulfurizing tower（5）The spray distributor on top
Be connected, spray distributor spray downwards in a concentration of 20%~40% dilute sulfuric acid to packing layer in flue gas from bottom to top
Remaining SO2Further reaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721799433.3U CN207769536U (en) | 2017-12-21 | 2017-12-21 | A kind of self-loopa hydrogen peroxide desulfurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721799433.3U CN207769536U (en) | 2017-12-21 | 2017-12-21 | A kind of self-loopa hydrogen peroxide desulfurizer |
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| Publication Number | Publication Date |
|---|---|
| CN207769536U true CN207769536U (en) | 2018-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721799433.3U Active CN207769536U (en) | 2017-12-21 | 2017-12-21 | A kind of self-loopa hydrogen peroxide desulfurizer |
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| Country | Link |
|---|---|
| CN (1) | CN207769536U (en) |
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2017
- 2017-12-21 CN CN201721799433.3U patent/CN207769536U/en active Active
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