CN105251360A - Diesel engine flue gas desulfurization and denitrification twin tower - Google Patents
Diesel engine flue gas desulfurization and denitrification twin tower Download PDFInfo
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- CN105251360A CN105251360A CN201510707204.3A CN201510707204A CN105251360A CN 105251360 A CN105251360 A CN 105251360A CN 201510707204 A CN201510707204 A CN 201510707204A CN 105251360 A CN105251360 A CN 105251360A
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- desulfurization
- catch basin
- denitrification
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Abstract
The invention provides a diesel engine flue gas desulfurization and denitrification twin tower, and belongs to the field of flue gas treatment. The diesel engine flue gas desulfurization and denitrification twin tower comprises a tower body, and a demister, a denitrification mechanism and a desulfurization mechanism are arranged in the tower body; the desulfurization mechanism performs desulfurization by adopting a desulfurization soda-lime double alkali method and magnesium method technology, and the denitrification mechanism performs treatment by adopting a catalytic oxidant and a catalytic reductant. According to the flue gas desulfurization and denitrification device for a ship, the problems that a traditional domestic desulfurization and denitrification technology is low in treatment effect, large in floor area and high in investment and operation cost are solved. The novel equipment is small in floor area, stable in treatment effect, free of any influence on a boiler and capable of greatly reducing the investment and operation cost.
Description
Technical field
The present invention relates to exhaust-gas treatment field, be specifically related to a kind of boat diesel engine flue gas desulfurization and denitrification Petronas Towers.
Background technology
Marine diesel is burnt SO2 and the NOx flue gas produced, often adopt desulfurization and SNCR, SCR method denitrating technique combined treatment such as dry method, semidry method, seawater method at present, require high for flue-gas temperature in its use procedure, the area that needs take is large, and treatment effect is low, operating cost is high, need the material used as reducing agent ammoniacal liquor, its storage safe requires high, cause complete equipment to use inconvenience, thus improve overall exhaust-gas treatment cost.
Summary of the invention
For there being the defect of technology on overcoming, object of the present invention is intended to propose a kind of simple and reasonable for structure, pointed high-efficiency flue gas desulfurization denitration equipment.
For achieving the above object, the present invention adopts following technical scheme:
A kind of diesel engine flue gas desulfurization and denitrification Petronas Towers, it is characterized in that: comprise tower body, in described tower body, demister is installed, denitration mechanism and desulfurization mechanism, described demister is installed on tower body inner top, the described denitration mechanism that urges is installed on below described demister, described desulfurization mechanism is installed on below described denitration mechanism, tower body below described desulfurization mechanism is provided with exhaust gas entrance, bottom the described tower body being positioned at exhaust gas entrance lower end, left catch basin and right catch basin are installed, described left catch basin charging aperture is connected with left medicine storing drum discharge opening pipeline, and driven by left measuring pump, the discharging opening of described left catch basin is connected with desulfurization mechanism pipeline, and driven by left circulating pump, described right catch basin charging aperture is connected with right medicine storing drum discharge opening pipeline, and is driven by right measuring pump, and described right catch basin discharging opening is connected with denitration mechanism pipeline, and is driven by right circulating pump.Described left measuring pump, right measuring pump and described left circulating pump, right circulating pump control by PLC control cabinet.
Explanation and the further scheme of such scheme are as follows:
In such scheme, in described left catch basin and right catch basin, be provided with mixer and Floating Ball Liquid Level device; Fluid level controller is provided with in described left medicine storing drum and right medicine storing drum.
In such scheme, described desulfurization mechanism comprises three groups of catalytic oxidation-reduction layers be arranged in order, and every layer of catalytic oxidation-reduction layer is provided with left shower, and described left shower is connected with the discharging opening of left catch basin.
In such scheme, described denitration mechanism comprises two groups of catalytic reduction reaction layers be arranged in order, and the both sides being up and down positioned at catalytic reduction reaction layer are provided with right shower, and described right shower is connected with the discharging opening of right catch basin.
Because technique scheme is used, the present invention compared with prior art has following advantages:
This innovation flue gas desulfurization and denitrification device peculiar to vessel, solves domestic traditional desulfurizing and denitrifying process treatment effect low, and floor space is large, investment and the high difficult point of operating cost.Novel device floor space is little, and treatment effect is stablized, and has no effect to boiler, and investment operating cost reduces greatly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The partial enlarged drawing in A portion in Fig. 2 bitmap 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: shown in Fig. 1 and Fig. 2:
A kind of diesel engine flue gas desulfurization and denitrification Petronas Towers, it is characterized in that: comprise tower body 1, in described tower body 1, demister 2 is installed, denitration mechanism and desulfurization mechanism, described demister 2 is installed on tower body 1 inner top, the described denitration mechanism that urges is installed on below described demister 2, described desulfurization mechanism is installed on below described denitration mechanism, tower body below described desulfurization mechanism is provided with exhaust gas entrance, bottom the described tower body being positioned at exhaust gas entrance lower end, left catch basin 3 and right catch basin 4 are installed, described left catch basin 3 charging aperture is connected with left medicine storing drum 5 discharge opening pipeline, and driven by left measuring pump 7, the discharging opening of described left catch basin 3 is connected with desulfurization mechanism pipeline, and driven by left circulating pump 8, described right catch basin 4 charging aperture is connected with right medicine storing drum 6 discharge opening pipeline, and is driven by right measuring pump, and described right catch basin 4 discharging opening is connected with denitration mechanism pipeline, and is driven by right circulating pump.Described left measuring pump, right measuring pump and described left circulating pump, right circulating pump control by PLC control cabinet 9.
Described desulfurization mechanism comprises three groups of catalytic oxidation-reduction layers 10 be arranged in order, and every layer of catalytic oxidation-reduction layer 10 is provided with left shower 11, and described left shower 11 is connected with the discharging opening of left catch basin 3.Described denitration mechanism comprises two groups of catalytic reduction reaction layers 12 be arranged in order, and the both sides being up and down positioned at catalytic reduction reaction layer 12 are provided with right shower 13, and described right shower 13 is connected with the discharging opening of right catch basin 4.
Also be provided with blow-off pipe bottom described tower body 1, described blow-off pipe carries out blowdown process by dredge pump, this dredge pump is also controlled by PLC control cabinet 9.Mixer and Floating Ball Liquid Level device is provided with in described left catch basin and right catch basin; Be provided with fluid level controller in described left medicine storing drum and right medicine storing drum, described Floating Ball Liquid Level device and fluid level controller control by PLC control cabinet.
During use, flue gas is admitted to desulphurization denitration Petronas Towers (adopting liquid ionic catalyst) and carries out the final process of system under the effect of existing exhaust blower.
After waste gas arrives catalytic oxidant-catalytic reducer agent liquid after entering desulphurization denitration Shuangzi tower body bottom double alkali method desulfurizing again, bottom enters the pernicious gas of tower body and catalytic oxidant-catalytic reducer is counter-current flow, waste gas is pressed into the even pressure chamber in denitration section by blower fan, through the catalytic oxidant-catalytic reducer process of variable speed winding type, enter denitration section inner core processor, waste gas is through the packing layer be made up of catalytic oxidant-catalytic reducer, again through catalytic oxidant-catalytic reducer reaction treatment, gas-liquid two-phase is made fully to contact generation catalytic reaction, reach the object of highly effective reaction.Waste gas after treatment takes off liquid process through dehydrator again, then enters air.Waste gas after purification reaches discharge standard.
Liquid after catalytic reaction flows in circulation catalytic oxidation-reduction agent groove at the bottom of tower, extracts out and again sends NO_x Reduction by Effective tower to, move in circles like this, constantly carry out catalytic reaction to the pernicious gas in waste gas with corrosion resistant catalytic oxidation-reduction agent pump.The waste gas being removed pernicious gas is after defluid device process, and removed down by the liquid of discharging in gas, then enter air emptying, pernicious gas reaches purification, meets the requirement of discharge standard.The design of this technique purification efficiency can reach about more than 99%.
This innovation flue gas desulfurization and denitrification device peculiar to vessel, solves domestic traditional desulfurizing and denitrifying process treatment effect low, and floor space is large, investment and the high difficult point of operating cost.Novel device floor space is little, and treatment effect is stablized, and has no effect to boiler.Investment operating cost reduces greatly.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. a diesel engine flue gas desulfurization and denitrification Petronas Towers, it is characterized in that: comprise tower body, in described tower body, demister is installed, denitration mechanism and desulfurization mechanism, described demister is installed on tower body inner top, the described denitration mechanism that urges is installed on below described demister, described desulfurization mechanism is installed on below described denitration mechanism, tower body below described desulfurization mechanism is provided with exhaust gas entrance, bottom the described tower body being positioned at exhaust gas entrance lower end, left catch basin and right catch basin are installed, described left catch basin charging aperture is connected with left medicine storing drum discharge opening pipeline, and driven by left measuring pump, the discharging opening of described left catch basin is connected with desulfurization mechanism pipeline, and driven by left circulating pump, described right catch basin charging aperture is connected with right medicine storing drum discharge opening pipeline, and is driven by right measuring pump, and described right catch basin discharging opening is connected with denitration mechanism pipeline, and is driven by right circulating pump.
2. described in, left measuring pump, right measuring pump and described left circulating pump, right circulating pump control by PLC control cabinet.
3. a kind of diesel engine flue gas desulfurization and denitrification Petronas Towers according to claim 1, is characterized in that: be provided with mixer and Floating Ball Liquid Level device in described left catch basin and right catch basin; Fluid level controller is provided with in described left medicine storing drum and right medicine storing drum.
4. a kind of diesel engine flue gas desulfurization and denitrification Petronas Towers according to claim 1, it is characterized in that: described desulfurization mechanism comprises three groups of catalytic oxidation-reduction layers be arranged in order, and every layer of catalytic oxidation-reduction layer is provided with left shower, described left shower is connected with the discharging opening of left catch basin.
5. a kind of diesel engine flue gas desulfurization and denitrification Petronas Towers according to claim 1, it is characterized in that: described denitration mechanism comprises two groups of catalytic reduction reaction layers be arranged in order, and the both sides being up and down positioned at catalytic reduction reaction layer are provided with right shower, described right shower is connected with the discharging opening of right catch basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707204.3A CN105251360A (en) | 2015-10-28 | 2015-10-28 | Diesel engine flue gas desulfurization and denitrification twin tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707204.3A CN105251360A (en) | 2015-10-28 | 2015-10-28 | Diesel engine flue gas desulfurization and denitrification twin tower |
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| Publication Number | Publication Date |
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| CN105251360A true CN105251360A (en) | 2016-01-20 |
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| CN201510707204.3A Pending CN105251360A (en) | 2015-10-28 | 2015-10-28 | Diesel engine flue gas desulfurization and denitrification twin tower |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000093742A (en) * | 1998-09-22 | 2000-04-04 | Mitsubishi Heavy Ind Ltd | Evenly liquid-dispersing apparatus of reaction removal apparatus, desulfurization tower and denitration tower provided with it |
| KR101334937B1 (en) * | 2013-05-13 | 2013-11-29 | 한국기계연구원 | Apparatus for purifying exhaust gas using carbon wire collecting system |
| CN103638794A (en) * | 2013-12-17 | 2014-03-19 | 哈尔滨工程大学 | Desulfurization packed tower of marine diesel engine |
| CN103894051A (en) * | 2012-12-28 | 2014-07-02 | 新煤化工设计院（上海）有限公司 | Wet-type smoke desulphurization and denitrification integrated system and method |
-
2015
- 2015-10-28 CN CN201510707204.3A patent/CN105251360A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000093742A (en) * | 1998-09-22 | 2000-04-04 | Mitsubishi Heavy Ind Ltd | Evenly liquid-dispersing apparatus of reaction removal apparatus, desulfurization tower and denitration tower provided with it |
| CN103894051A (en) * | 2012-12-28 | 2014-07-02 | 新煤化工设计院（上海）有限公司 | Wet-type smoke desulphurization and denitrification integrated system and method |
| KR101334937B1 (en) * | 2013-05-13 | 2013-11-29 | 한국기계연구원 | Apparatus for purifying exhaust gas using carbon wire collecting system |
| CN103638794A (en) * | 2013-12-17 | 2014-03-19 | 哈尔滨工程大学 | Desulfurization packed tower of marine diesel engine |
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Application publication date: 20160120 |
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