CN205627560U - Low temperature plasma SOx/NOx control system - Google Patents
Low temperature plasma SOx/NOx control system Download PDFInfo
- Publication number
- CN205627560U CN205627560U CN201620486522.1U CN201620486522U CN205627560U CN 205627560 U CN205627560 U CN 205627560U CN 201620486522 U CN201620486522 U CN 201620486522U CN 205627560 U CN205627560 U CN 205627560U
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- China
- Prior art keywords
- plasma
- flue gas
- denitration
- desulfuration
- spoiler
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Abstract
The utility model discloses a low temperature plasma SOx/NOx control system, including plasma generator and absorption tower, plasma generator injection plasma's in including the casing that supplies the flue gas to pass through, plasma emergence module with to the casing plasma spraying module is provided with the vortex device that carries out the disturbance to the flow direction of flue gas in the plasma generator, the utility model discloses a set up the spoiler with combination time of extension waste gas and plasma in plasma generator, make abundant that NOX or SOX gas molecule and plasma in the waste gas combine, SOx/NOx control operation in the absorption tower of being convenient for for SOx/NOx control more thoroughly improves SOx/NOx control's efficiency.
Description
Technical field
This utility model belongs to exhaust-gas treatment field, is specifically related to system for desulfuration and denitration.
Background technology
At present flue gas desulfurization and denitrification technology is to be applied to nitrogen oxides and oxysulfide generates of chemical engineering industry
Boiler flue gas purification technology, because nitrogen oxides and oxysulfide are one of main sources of air pollution, therefore
Process containing nitrogen oxides and the flue gas of oxysulfide is particularly important, and plasma generator is in exhaust-gas treatment
During played important function.
Oxygen molecule in air is when by ion generating device, by the collision of electronics of certain energy and shape
Becoming oxonium ion group, these highdensity oxonium ion groups of generation have extremely strong activity, rapid and NOXOr SOX
Gas molecule collision, produces secondary ion group, and the energy utilizing id reaction to produce maintains oxidation reaction,
And whether by NO in flue gasXOr SOXGas molecule is the most oxidized is to have influence on downstream system for desulfuration and denitration effect
The key of rate.
Flue gas of the prior art time of staying in plasma generator is shorter, oxonium ion group can not fully with
NO in flue gasXOr SOXGas molecule combines, so the NO in flue gasXOr SOXGas molecule is by oxygen
Change degree is relatively low, reduces downstream system for desulfuration and denitration efficiency.
Utility model content
Technical problem to be solved in the utility model be just to provide high low temperature of a kind of denitrification efficiency etc. from
Sub-system for desulfuration and denitration.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that low-temperature plasma desulfurization takes off
Nitre system, including plasma generator and absorption tower, housing that plasma generator includes passing through for flue gas,
Produce plasma plasma generation module and in housing the plasma spraying module of jet plasma,
It is provided with the flow direction to flue gas in plasma generator and carries out the disturbing flow device of disturbance.
Further disturbing flow device includes spiral helicine spoiler and is arranged on what spoiler two ends were passed through for flue gas
Annular support plate.
Further parallel with the axis of flow of flue gas in housing in the axis of spoiler.
It is provided with two between further two annular support plate parallel and is wound around all-in-one-piece helical form flow-disturbing
Plate.
Further the horizontal both sides of the axis in flow of flue gas direction are provided with at least one disturbing flow device.
Further spoiler is wear-resisting alloy steel with the material of gripper shoe.
Further two are wound around the position welding that all-in-one-piece spoiler is connected, between gripper shoe and housing
Welding.
Further the thickness of spoiler and gripper shoe is 6mm.
Further housing is provided with air inlet and gas outlet, and plasma spraying module is towards the support at air inlet
Plate.
Further it is provided with the dense of after measurement processing sulfureous in flue gas oxide and nitrogen oxides on absorption tower
The measurement apparatus of degree, measurement apparatus connects and has the automaton controlling plasma generator.
Compared with prior art, the beneficial effects of the utility model are:
1, the plasma that plasma generation module produces enters in housing by plasma spraying module ejects,
Simultaneously need to the flue gas processed enters housing, subsequently into disturbing flow device region, when flue gas is through out-of-date,
Disturbing flow device changes the flow direction of flue gas so that flue gas cannot direct straight-line pass housing, and be intended to suitable
Disturbing flow device to flow so that flue gas in housing while of process wider flue gas in housing
The time of staying is long, spreads over the NO in the flue gas in housingXOr SOXGas molecule is combined with plasma
Fully, it is simple in subsequent absorption tower desulphurization denitration operation so that desulphurization denitration is more thorough, improves de-
The efficiency of sulfur denitration,
2, the NO in flue gasXOr SOXGas molecule enters absorption with flue gas after being fully combined with plasma
In tower, carrying out desulphurization denitration operation, the flue through absorption tower of the flue gas after desulphurization denitration enters in air,
The concentration of the sulfur and nitrogen oxides in flue gas is measured by the measurement apparatus at flue, the most instead
It is fed in automaton, if automaton is according to sulfureous in flue gas oxide and the concentration of nitrogen oxides
Height plasma generation module and plasma spraying module are controlled, when the oxysulfide in flue gas
Time higher with the concentration of nitrogen oxides, then automaton improves the operating frequency of plasma generator, when
When the concentration of the sulfur and nitrogen oxides in flue gas reaches standard-required, automaton control etc. from
Electronic generator, at a low power run that can maintain standard, saves electric power.
Compared with prior art, this utility model is by arranging spoiler to extend cigarette in plasma generator
Gas and the binding time of plasma, make the NO in flue gasXOr SOXGas molecule is combined with plasma
Fully, it is simple to the desulphurization denitration operation in absorption tower so that desulphurization denitration is more thorough, improves desulphurization denitration
Efficiency.
Accompanying drawing explanation
With detailed description of the invention, this utility model is further described below in conjunction with the accompanying drawings:
Fig. 1 is the schematic diagram of this utility model low-temperature plasma system for desulfuration and denitration.
Wherein: 1, plasma generator；11, housing；111, air inlet；112, gas outlet；12, etc.
Ion generation module；13, plasma spraying module；2, absorption tower；3, disturbing flow device；31, spoiler；
32, gripper shoe；4, measurement apparatus；5, automaton.
Detailed description of the invention
With reference to Fig. 1, the embodiment of this utility model low-temperature plasma system for desulfuration and denitration is described further.
Low-temperature plasma system for desulfuration and denitration, including plasma generator 1 and absorption tower 2, plasma generator
1 include the housing 11 passed through for flue gas, produce the plasma generation module 12 of plasma and to housing 11
The plasma spraying module 13 of interior jet plasma, housing 11 includes the air inlet being positioned at housing 11 two ends
111 and gas outlet 112, it is provided with the some groups of flow directions to flue gas in housing 11 and carries out the flow-disturbing dress of disturbance
Putting 3, disturbing flow device 3 lays respectively at axis (the i.e. air inlet 111 and giving vent to anger of flow of flue gas in housing 11
Mouthful 112 lines) horizontal both sides, disturbing flow device 3 includes the spiral spoiler of kinking 31 and is arranged on
The annular support plate 32 that spoiler 31 two ends are passed through for flue gas, the axis of spoiler 31 and cigarette in housing 11
The axis of flow of air is parallel, is provided with two parallel and is wound around all-in-one-piece between two annular support plate 32
Helical form spoiler 31, plasma spraying module 13 is towards the gripper shoe 32 at air inlet 111, spoiler
31 are wear-resisting alloy steel with the material of gripper shoe 32, and two kinking all-in-one-piece spoilers 31 are connected
Position is welded, and welds between gripper shoe 32 with housing 11, and the thickness of spoiler 31 and gripper shoe 32 is
6mm, absorption tower 2 is provided with the concentration of sulfureous in flue gas oxide and nitrogen oxides after measurement processing
Measurement apparatus 4, measurement apparatus 4 connects and has the automaton 5 controlling plasma generator 1.
The plasma that plasma generation module 12 produces passes through plasma spraying module 13 from annular support plate
The center of 32 enters in housing 11, simultaneously need to the flue gas processed first passes through air inlet 111 and enters housing 11,
Then by the circulus of gripper shoe 32, spoiler 31 region is entered, because spoiler 31 is in spiral shell
Rotation shape, so when flue gas is through out-of-date, and spoiler 31 changes the flow direction of flue gas so that flue gas cannot be straight
Connect straight-line pass housing 11, and be intended to flow along spiral helicine spoiler 31 so that flue gas is at housing
In 11, the while of process wider, the flue gas time of staying in housing 11 is long, spreads in housing 11
NO in flue gasXOr SOXIt is abundant that gas molecule is combined with plasma, it is simple in subsequent absorption tower 2
Desulphurization denitration operation so that desulphurization denitration is more thorough, improves the efficiency of desulphurization denitration, the NO in flue gasX
Or SOXGas molecule enters in absorption tower 2 with flue gas after being fully combined with plasma, carries out desulphurization denitration
Operation.
The flue gas after the desulphurization denitration flue through absorption tower 2 enters in air, the measurement dress at flue
The concentration putting the sulfur and nitrogen oxides in 4 pairs of flue gases measures, and then feeds back to automatically control dress
Put in 5, if automaton 5 according to the height of sulfureous in flue gas oxide and the concentration of nitrogen oxides for
Plasma generation module 12 and plasma spraying module 13 are controlled, when the oxysulfide in flue gas and nitrogen
When the concentration of oxide is higher, then automaton 5 improves the operating frequency of plasma generator 1, when
When the concentration of the sulfur and nitrogen oxides in flue gas reaches standard-required, automaton 5 control etc.
Ion generator 1, at a low power run that can maintain standard, saves electric power.
Two winding all-in-one-piece spoilers 31 are more preferable for the disturbance effect of flue gas, and the flowing of flue gas is through two
Secondary stop, flowing is slower, and the flue gas time of staying in housing 11 is longer, spreads over the cigarette in housing 11
NO in gasXOr SOXIt is more abundant that gas molecule is combined with plasma.
Spoiler 31 is wear-resisting alloy steel with the material of gripper shoe 32, and wear-resisting alloy steel is wear-resisting, corrosion-resistant,
Its intensity and hardness are high, adapt to non-large impact wear working condition, under the wear working condition of certain impact load,
High life, the substantial amounts of flue gas carrying dust granule pours in housing 11, gripper shoe 32 and spoiler
31 also will not corroding by the abrasion of dust granule and corrosive gas, extend the use longevity of disturbing flow device 3
Life, reduces the production cost that maintenance is changed.
The position welding that spoiler 31 is connected, welds between gripper shoe 32 with housing 11, and Welding Structure is solid
Fixed, it is not susceptible to cracking, saves production cost simultaneously.
The thickness of spoiler 31 and gripper shoe 32 is 6mm, if thickness is less than 6mm, then spoiler 31
Easily deform damage with gripper shoe 32, reduction of service life, improve production cost；If thickness is more than 6mm,
Then spoiler 31 is difficult to kinking curl, wastes material simultaneously.
The above is only preferred implementation of the present utility model, protection domain of the present utility model not only
Being confined to above-described embodiment, all technical schemes belonged under this utility model thinking belong to of the present utility model
Protection domain.It should be pointed out that, for those skilled in the art, without departing from this practicality
Some improvements and modifications under new principle premise, these improvements and modifications also should be regarded as guarantor of the present utility model
Protect scope.
Claims (10)
1. low-temperature plasma system for desulfuration and denitration, including plasma generator and absorption tower, plasma generator includes
Housing, the plasma generation module producing plasma and the jet plasma in housing passed through for flue gas
Plasma spraying module, it is characterised in that: be provided with the flowing side to flue gas in described plasma generator
To the disturbing flow device carrying out disturbance.
Low-temperature plasma system for desulfuration and denitration the most according to claim 1, it is characterised in that: described flow-disturbing fills
Put and include spiral helicine spoiler and be arranged on the annular support plate that spoiler two ends are passed through for flue gas.
Low-temperature plasma system for desulfuration and denitration the most according to claim 2, it is characterised in that: described spoiler
Axis parallel with the axis of flow of flue gas in described housing.
Low-temperature plasma system for desulfuration and denitration the most according to claim 3, it is characterised in that: said two ring
It is provided with two between shape gripper shoe parallel and is wound around all-in-one-piece helical form spoiler.
Low-temperature plasma system for desulfuration and denitration the most according to claim 4, it is characterised in that: described flue gas stream
The horizontal both sides of the axis in dynamic direction are provided with at least one disturbing flow device.
Low-temperature plasma system for desulfuration and denitration the most according to claim 2, it is characterised in that: described spoiler
It is wear-resisting alloy steel with the material of gripper shoe.
Low-temperature plasma system for desulfuration and denitration the most according to claim 4, it is characterised in that: said two twines
Around the position welding that all-in-one-piece spoiler is connected, weld between described gripper shoe and housing.
Low-temperature plasma system for desulfuration and denitration the most according to claim 2, it is characterised in that: spoiler and
The thickness of fagging is 6mm.
Low-temperature plasma system for desulfuration and denitration the most according to claim 1, it is characterised in that: described housing sets
Having air inlet and gas outlet, described plasma spraying module is towards the gripper shoe at air inlet.
Low-temperature plasma system for desulfuration and denitration the most according to claim 1, it is characterised in that: described absorption tower
On be provided with the measurement apparatus of the concentration of sulfureous in flue gas oxide and nitrogen oxides after measurement processing, measure
Connect on device and have the automaton controlling plasma generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486522.1U CN205627560U (en) | 2016-05-24 | 2016-05-24 | Low temperature plasma SOx/NOx control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486522.1U CN205627560U (en) | 2016-05-24 | 2016-05-24 | Low temperature plasma SOx/NOx control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205627560U true CN205627560U (en) | 2016-10-12 |
Family
ID=57052241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620486522.1U Expired - Fee Related CN205627560U (en) | 2016-05-24 | 2016-05-24 | Low temperature plasma SOx/NOx control system |
Country Status (1)
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| CN (1) | CN205627560U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583422A (en) * | 2017-10-23 | 2018-01-16 | 安徽金森源环保工程有限公司 | A kind of low-temperature plasma desulfuring and denitrifying apparatus and desulfurization denitration method |
| CN107875817A (en) * | 2017-09-25 | 2018-04-06 | 杨家华 | A kind of plasma denitrification apparatus |
| CN112303645A (en) * | 2019-07-29 | 2021-02-02 | 浙江久丰生态环境有限公司 | Sludge treatment system and treatment process thereof |
| CN115178065A (en) * | 2022-07-20 | 2022-10-14 | 山西太钢不锈钢精密带钢有限公司 | Ion denitration process |
-
2016
- 2016-05-24 CN CN201620486522.1U patent/CN205627560U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875817A (en) * | 2017-09-25 | 2018-04-06 | 杨家华 | A kind of plasma denitrification apparatus |
| CN107583422A (en) * | 2017-10-23 | 2018-01-16 | 安徽金森源环保工程有限公司 | A kind of low-temperature plasma desulfuring and denitrifying apparatus and desulfurization denitration method |
| CN112303645A (en) * | 2019-07-29 | 2021-02-02 | 浙江久丰生态环境有限公司 | Sludge treatment system and treatment process thereof |
| CN115178065A (en) * | 2022-07-20 | 2022-10-14 | 山西太钢不锈钢精密带钢有限公司 | Ion denitration process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20180524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |