CN202983504U - Aeration oxidization device applicable to insoluble particulate matter - Google Patents
Aeration oxidization device applicable to insoluble particulate matter Download PDFInfo
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- CN202983504U CN202983504U CN2012206335109U CN201220633510U CN202983504U CN 202983504 U CN202983504 U CN 202983504U CN 2012206335109 U CN2012206335109 U CN 2012206335109U CN 201220633510 U CN201220633510 U CN 201220633510U CN 202983504 U CN202983504 U CN 202983504U
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Abstract
The utility model discloses an aeration oxidization device applicable to an insoluble particulate matter. The aeration oxidization device applicable to the insoluble particulate matter is composed of a dissolution-promoting oxidization device, a hydrocyclone separation device, a precipitation separation device and a circulating supply device, wherein the dissolution-promoting oxidization device regards a circulating fluidized bed reactor as a main body, a Venturi structure is arranged at the bottom of the dissolution-promoting oxidization device, an oxidization air pipe is connected to the lower side of the dissolution-promoting oxidization device, and a three-phase separator and a waste slag discharge pipe are arranged inside the dissolution-promoting oxidization device; the hydrocyclone separation device regards a hydrocyclones as a main body, the upper part of the hydrocyclone separation device is connected with a rotational flow overflow pipe and a gas-liquid separator, and the lower part of the hydrocyclone separation device is connected to a rotational flow underflow material return pipe; the precipitation separation device regards a settling pond as a main body and is internally provided with an oblique plate and a water outlet tank; and the circulating supply device regards a circulating pump as a main body, and is provided with a precipitation underflow return pipe and a desulfurated slurry feeding pipe in a connecting manner. The aeration oxidization device applicable to the insoluble particulate matter has the advantages of prompting the insoluble particulate matter to speed up dissolution and oxidization by utilizing the circulating fluidized bed, the hydrocyclone separation, the shallow-layer precipitation and a micropore aeration principle, and is not only applicable to oxidization treatment of desulfurated slurry in a wet magnesium way, but is also applicable to the dissolution and oxidization treatment of insoluble particulate matters.
Description
Technical field
The utility model belongs to wet-type magnesium method desulfurization slurries treatment facility, particularly a kind of dissolved oxygen treating apparatus for promoting indissoluble solution particulate matter.A kind of recirculating fluidized bed, cyclonic separation, shallow layer precipitating and micro-pore aeration principle utilized promotes indissoluble solution particulate matter accelerate dissolution and oxidation, and the device of the suspended material in initial gross separation wet-type magnesium method desulfurization slurries.
Background technology
At present, oxidation unit is being widely used aspect the flue gas desulfurization forced oxidation, be generally to adopt fixed type air injector, jet aerator, agitator one air gun aerator, rotary air injector, the hole passing turbulent flow aerator of employing, board-like aerator, diaphragm type aerator, variable micro-hole plate-type aerator, hose aeration, umbrella shape aerator, rotary cutting aerator are also arranged.
Solid particles material in the wet-type magnesium method desulfurization slurries (being mainly the magnesium sulfite solid particle) is not soluble in slurries, and the magnesium sulfite that existing oxidation unit only can the oxidation dissolution attitude, and to the magnesium sulfite of solid particles without any effect.
This phenomenon cause oxidation unit take up an area large, oxidation efficiency is low, the oxidation energy consumption is large.
Summary of the invention
The purpose of this utility model is to design and produce a kind of dissolved oxygen treating apparatus for promoting indissoluble solution particulate matter.A kind of recirculating fluidized bed, cyclonic separation, shallow layer precipitating and micro-pore aeration principle utilized promotes indissoluble solution particulate matter accelerate dissolution and oxidation, and the device of the suspended material in initial gross separation wet-type magnesium method desulfurization slurries.
The technical solution of the utility model is, a kind of aeration oxidation unit that is applicable to indissoluble solution particulate matter, formed by short dissolved oxygen gasifying device, cyclone separation device, precipitation separation device and circulation supply equipment, in short dissolved oxygen gasifying device one side, cyclone separation device is set, above short dissolved oxygen gasifying device, precipitation separation device is set, below short dissolved oxygen gasifying device, circulation supply equipment is set, short dissolved oxygen gasifying device is take circulating fluid bed reactor as main body, the bottom is provided with Venturi tube structure, the below connects the oxidation air pipe, and inside is provided with three phase separator and waste sludge discharge pipe; Cyclone separation device is take cyclone as main body, and top connects eddy flow overflow pipe and gas-liquid separator, and the bottom connects eddy flow underflow refeed line; Precipitation separation device is take sedimentation basin as main body, in establish swash plate and effluent trough; Circulation supply equipment is connected with precipitation underflow refeed line and desulfurization slurry feed pipe take circulating pump as main body.
The oxidation air pipe level height of short dissolved oxygen gasifying device below is lower than the level height of the slurry feed pipe of circulation supply equipment, and the waste sludge discharge pipe of short dissolved oxygen gasifying device is arranged on venturi increaser end.
The interface position of eddy flow underflow refeed line on circulating fluid bed reactor of cyclone separation device bottom exports higher than the venturi aditus laryngis.
Be provided with the gradient of 30 °～45 ° bottom the sedimentation basin of precipitation separation device.
This device can be worked jointly by a plurality of cyclones of circulating fluid bed reactor configuration.
This device inwall is provided with corrosion-inhibiting coating, and venturi aditus laryngis place's employing resistant material of circulating fluid bed reactor is made.
The utility model has the advantages that: utilize solid particle vigorous fluidisation in circulating fluidized bed device, constantly sharp impacts friction between particle, a series of effects of high speed water jet impact reach the purpose that promotes the solid particle dissolving; Utilize simultaneously the Venturi tube structure increase air of circulating fluidized bed device and the mixed effect of desulfurization slurry, increase the dissolving of oxygen in desulfurization slurry in air, improve oxidation efficiency.This device has realized three times of solid-liquid two-phase flow to separate, reach outlet effect preferably.By multiple stage circulation, realize repeatedly circular treatment of slurries, reach oxidation effectiveness preferably.Be applicable to the oxidation processes of wet-type magnesium method desulfurization slurries, also be applicable to dissolving and the oxidation processes of indissoluble solution particulate matter.
Description of drawings:
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is a kind of organigram that is applicable to the aeration oxidation unit of indissoluble solution particulate matter of the present utility model.
In figure, 1-oxidation air pipe, 2-eddy flow underflow refeed line, 3-cyclone, 4-eddy flow overflow pipe, 5-gas-liquid separator, 6-sedimentation basin, 7-effluent trough, 8-swash plate, 9-three phase separator, 10-circulating fluid bed reactor, 11-precipitation underflow refeed line, 12-waste sludge discharge pipe, 13-desulfurization slurry feed pipe, 14-circulating pump.
The specific embodiment:
As seen from Figure 1, the aeration oxidation unit that is applicable to indissoluble solution particulate matter of the present utility model is comprised of short dissolved oxygen gasifying device, cyclone separation device, precipitation separation device and circulation supply equipment, in short dissolved oxygen gasifying device one side, cyclone separation device is set, above short dissolved oxygen gasifying device, precipitation separation device is set, below short dissolved oxygen gasifying device, circulation supply equipment is set, short dissolved oxygen gasifying device is take circulating fluid bed reactor 10 as main body, the bottom is provided with Venturi tube structure, the below connects oxidation air pipe 1, and inside is provided with three phase separator 9 and waste sludge discharge pipe 12; Cyclone separation device is take cyclone 3 as main body, and top connects eddy flow overflow pipe 4 and gas-liquid separator 5, and the bottom connects eddy flow underflow refeed line 2; Precipitation separation device is take sedimentation basin 6 as main body, in establish swash plate 8 and effluent trough 7; Circulation supply equipment is connected with precipitation underflow refeed line 11 and desulfurization slurry feed pipe 13 take circulating pump 14 as main body.
Operation principle of the present utility model and using method are: slurries are pressed into bottom recirculating fluidized bed through circulating pump, with further mix through the venturi aditus laryngis after oxidation air mixes, in recirculating fluidized bed middle part formation fluidized state, solid particle constantly collides the friction accelerate dissolution, and oxidation by air.The slurries that contain gas, solid particle are separated by three phase separator on recirculating fluidized bed top, and gas is derived outside circulating fluidized bed device, and the part solid particle is back to the fluid bed middle part and continues dissolving.The slurries that contain the part particle enter cyclone and again carry out Separation of Solid and Liquid, the slurries that solid content is higher return to aditus laryngis top continuation dissolved oxygen by eddy flow underflow refeed line, the slurries that solid content is lower enter sedimentation basin by the eddy flow overflow pipe, these part slurries pass through gas-liquid separator before entering sedimentation basin, outside the air let-off gear(stand).The slurries that enter sedimentation basin precipitate under swash plate auxiliary, again realize Separation of Solid and Liquid.The precipitation supernatant is by outside the effluent trough let-off gear(stand), the slurries that sedimentation basin bottom solid content is higher are drawn to the front desulfurization slurry feed pipe of circulating pump through precipitation underflow refeed line, mix again entering bottom recirculating fluidized bed with raw material, again carry out the dissolved oxygen reaction.The slurries that contain a large amount of solids are in waste sludge discharge pipe place deposition, outside the fluid pressure differential discharger.
Claims (8)
1. aeration oxidation unit that is applicable to indissoluble solution particulate matter, formed by short dissolved oxygen gasifying device, cyclone separation device, precipitation separation device and circulation supply equipment, it is characterized in that, in short dissolved oxygen gasifying device one side, cyclone separation device is set, above short dissolved oxygen gasifying device, precipitation separation device is set, below short dissolved oxygen gasifying device, circulation supply equipment is set, short dissolved oxygen gasifying device is take circulating fluid bed reactor as main body, the bottom is provided with Venturi tube structure, the below connects the oxidation air pipe, and inside is provided with three phase separator and waste sludge discharge pipe; Cyclone separation device is take cyclone as main body, and top connects eddy flow overflow pipe and gas-liquid separator, and the bottom connects eddy flow underflow refeed line; Precipitation separation device is take sedimentation basin as main body, in establish swash plate and effluent trough; Circulation supply equipment is connected with precipitation underflow refeed line and desulfurization slurry feed pipe take circulating pump as main body.
2. a kind of aeration oxidation unit that is applicable to indissoluble solution particulate matter as claimed in claim 1, is characterized in that, the oxidation air pipe level height below short dissolved oxygen gasifying device is lower than the level height of the slurry feed pipe of circulation supply equipment.
3. a kind of aeration oxidation unit that is applicable to indissoluble solution particulate matter as claimed in claim 1, is characterized in that, the waste sludge discharge pipe of short dissolved oxygen gasifying device is arranged on venturi increaser end.
4. a kind of aeration oxidation unit that is applicable to indissoluble solution particulate matter as claimed in claim 1, is characterized in that, the interface position of eddy flow underflow refeed line on circulating fluid bed reactor of cyclone separation device bottom exports higher than the venturi aditus laryngis.
5. a kind of aeration oxidation unit that is applicable to indissoluble solution particulate matter as claimed in claim 1, is characterized in that, the sedimentation basin of precipitation separation device bottom is provided with the gradient of 30 °～45 °.
6. a kind of aeration oxidation unit that is applicable to indissoluble solution particulate matter as claimed in claim 1, is characterized in that, this device can be worked jointly by a plurality of cyclones of circulating fluid bed reactor configuration.
7. a kind of aeration oxidation unit that is applicable to indissoluble solution particulate matter as claimed in claim 1, is characterized in that, this device inwall is provided with corrosion-inhibiting coating.
8. a kind of aeration oxidation unit that is applicable to indissoluble solution particulate matter as claimed in claim 1, is characterized in that, venturi aditus laryngis place's employing resistant material of circulating fluid bed reactor is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206335109U CN202983504U (en) | 2012-11-22 | 2012-11-22 | Aeration oxidization device applicable to insoluble particulate matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206335109U CN202983504U (en) | 2012-11-22 | 2012-11-22 | Aeration oxidization device applicable to insoluble particulate matter |
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| Publication Number | Publication Date |
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| CN202983504U true CN202983504U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012206335109U Expired - Fee Related CN202983504U (en) | 2012-11-22 | 2012-11-22 | Aeration oxidization device applicable to insoluble particulate matter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521499A (en) * | 2013-10-17 | 2014-01-22 | 江苏欧超环保科技有限公司 | Waste residue treatment device used for magnesium-process desulfurization |
-
2012
- 2012-11-22 CN CN2012206335109U patent/CN202983504U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521499A (en) * | 2013-10-17 | 2014-01-22 | 江苏欧超环保科技有限公司 | Waste residue treatment device used for magnesium-process desulfurization |
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| 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: 20130612 Termination date: 20181122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |