CN204073828U - The pneumatic water conservancy diversion mixing arrangement of a kind of flue gas - Google Patents
The pneumatic water conservancy diversion mixing arrangement of a kind of flue gas Download PDFInfo
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- CN204073828U CN204073828U CN201420505197.XU CN201420505197U CN204073828U CN 204073828 U CN204073828 U CN 204073828U CN 201420505197 U CN201420505197 U CN 201420505197U CN 204073828 U CN204073828 U CN 204073828U
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- flue gas
- swirl vane
- water conservancy
- eddy flow
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Abstract
The utility model relates to the pneumatic water conservancy diversion mixing arrangement of a kind of flue gas, described device is Vertical Combination device, eddy flow section logical in one is set in the below of device, one linkage section is set above eddy flow section, above linkage section, arrange a diversion section, this eddy flow section and diversion section are linked together by linkage section.The eddy flow section of the utility model flue gas mixing arrangement comprises whirl cylinder and cyclone, cyclone comprises swirl vane axle and swirl vane, and this device utilizes eddy flow principle, adds gas-liquid mixed intensity, utilize air conducting principle, water conservancy diversion is carried out to flue gas, effectively can overcome the wall effect of flue gas, reduce the height of reaction tower, save space and material, gas-liquid mass transfer intensity is high, improves gas-liquid contact probability, improves the gas liquid reaction effect of reaction tower.
Description
Technical field
The utility model belongs to chemical industry, environmental technology field, relates to flue gas water conservancy diversion mixing arrangement, the pneumatic water conservancy diversion mixing arrangement of especially a kind of flue gas.
Background technology
In recent years, along with the progressively increase of China's economic strength and environmental protection standard are gradually strict, China administered SO
2the dynamics polluted continues to increase, SO
2discharge standard also more and more stricter.
For the improvement of sulfur dioxide, adopt more method at present, be that the sulfur dioxide in combustion product gases is removed, reach the target of reduction of discharging.
The technological process that sulfur dioxide absorbs is ripe and realizes the technology of commercial Application, adopts lime stone, CaO, liquefied ammonia etc. to be absorbent, forms accessory substance gypsum, ammonium sulfate etc. in the slurries after absorption.
In whole flow process, the design on absorption tower is the key of this technology, and the sulfur dioxide absorbability on absorption tower directly decides the disposal ability of the sulfur dioxide of whole flow process.Therefore, the size of the gas liquid interfacial area on absorption tower, gas-liquid exchange power, gas-liquid contact ability directly affects the efficiency of desulfurization.
Desulfurization turriform conventional at present mainly contains spray void tower, pallet tower etc., spray void tower increases gas liquid interfacial area by arranging Multi-layer sprinkling layer, improve gas-liquid contact gas-liquid and exchange the higher desulfuration efficiency of intensity acquisition, pallet tower can improve increase gas liquid interfacial area by arranging pallet, improves gas-liquid contact gas-liquid and exchanges the higher desulfuration efficiency of intensity acquisition.But above tower is in order to ensure that tower wall is not pierced through by slurries, the nozzle distance tower wall near tower wall has certain distance to cause the slurries covering of tower wall place to weaken, thus produces wall effect, and local flue gas can produce short circuit, thus affects the desulfuration efficiency of desulfurizing tower.
Increase tower wall wearing layer thickness or set up at Ta Bi the throughput that water conservancy diversion dress reduces tower wall place flue gas overcome tower wall effect by increasing tower wall slurries level of coverage.
According to existing desulfurizing tower design principle, increase gas liquid interfacial area, reduce tower wall flue gas throughput, increase gas-liquid contact ability and effectively can improve absorption tower sulfur dioxide absorption efficiency.
By retrieval, not yet find the patent publication us relevant to the utility model patent application.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, there is provided a kind of flue gas pneumatic water conservancy diversion mixing arrangement, this device is provided with eddy flow section and diversion section, this device utilizes eddy flow principle and air conducting principle, gas-liquid mass transfer intensity is high, wall effect is low, effectively improves the assimilation effect on absorption tower; The pneumatic water conservancy diversion mixing arrangement of this flue gas can be applied to as in desulfurizer aspect.
The purpose of this utility model is achieved through the following technical solutions:
The pneumatic water conservancy diversion mixing arrangement of a kind of flue gas, described device is Vertical Combination device, arranges eddy flow section logical in, arrange a linkage section above eddy flow section in the below of device, above linkage section, arrange a diversion section, this eddy flow section and diversion section are linked together by linkage section;
In described eddy flow section, swirl-flow devices is set, described swirl-flow devices comprises whirl cylinder and cyclone, this whirl cylinder is the whirl cylinder of a hollow, and on the outer surface of this whirl cylinder top and bottom, co-axial seal installs the inner edge of shrouding, and the outer rim co-axial seal of this shrouding is installed on inside tower body; In this whirl cylinder, cyclone is installed in bottom, this cyclone comprises swirl vane axle and swirl vane, swirl vane circularizes arrangement around swirl vane axle, tilts to be installed on swirl vane axle, swirl vane axle and whirl cylinder are coaxially installed, install swirl vane between whirl cylinder and swirl vane axle, the internal diameter of whirl cylinder is identical with the external diameter of swirl vane.
And, series and parallel Multi-stage spiral device in described eddy flow section.
And described linkage section is for welding or be threaded; Or, the shrouding above eddy flow section arranges linkage section near Ta Bi position.
And described diversion section is an annular guiding device.
And, adopt rubber blanket to connect or welding when described diversion section is connected with inner wall of tower.
And, described whirl cylinder height 300mm-1000mm.
And described seal plate welding is on whirl cylinder.
And described swirl vane is the blade construction that propeller type tilts, and its angle of inclination becomes 30-60 degree with axis, and adopt the blade shape of plane or curved surface, its perspective plane is rectangle or fan-shaped.
Advantage of the present utility model and good effect are:
1, the eddy flow section of the pneumatic water conservancy diversion mixing arrangement of the utility model flue gas comprises whirl cylinder and cyclone, cyclone comprises swirl vane axle and swirl vane, swirl vane circularizes arrangement around swirl vane axle, tilts to be installed on swirl vane axle, this eddy flow section utilizes eddy flow principle, add the intensity of sulfur dioxide, reduce the height of reaction tower, save space and material, gas-liquid mass transfer intensity is high, improves sulfur dioxide effect.
2, the diversion section of the utility model flue gas pneumatic water conservancy diversion mixing arrangement is annular guiding device, and this device utilizes air conducting principle effectively can overcome the wall effect of desulfurizing tower, improves the removal effect of sulfur dioxide.
3, the linkage section of the pneumatic water conservancy diversion mixing arrangement of the utility model flue gas connects for welding or bolt, the two can be made to reach better effect according to the distance of different flue gas composition adjustment eddy flow section and diversion section.
Accompanying drawing explanation
Figure l is axle side of the present utility model schematic diagram;
Fig. 2 is that the structure of Fig. 1 partly cuts open figure;
Fig. 3 is the structure enlarged diagram of eddy flow section in Fig. 1;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is the connecting axle side schematic diagram of diversion section and linkage section in Fig. 1.
Detailed description of the invention
For accompanying drawing embodiment, the utility model is described in further detail below, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
The pneumatic water conservancy diversion mixing arrangement of a kind of flue gas, as depicted in figs. 1 and 2, this device is Vertical Combination device, eddy flow section 3 logical in one is set in the below of device, one linkage section 1 is set above eddy flow section, above linkage section, arrange a diversion section 2, this eddy flow section and diversion section are linked together by linkage section.
Described eddy flow section comprises the series and parallel combination of multiple swirl-flow devices 4, is the one-level parallel combination of multiple swirl-flow devices in this example; Described linkage section can adopt welding or bolt to connect, and this example is with bolts; Described diversion section is an annular guiding device, and the cross section of diversion section can be plane or curved surface, and this example adopts curved surface, as shown in Figure 5.Described diversion section can adopt rubber blanket to connect or welding when being connected with inner wall of tower.
As shown in Figure 3, Figure 4, described swirl-flow devices comprises whirl cylinder 5 and cyclone, this whirl cylinder is the whirl cylinder of a hollow, this whirl cylinder height 300mm-1000mm, on the outer surface of this whirl cylinder top and bottom, co-axial seal installs the inner edge of shrouding 8, and the outer rim co-axial seal of this shrouding is installed on inside tower body, and this shrouding can prevent flue gas short circuit, by the enclosed cross of the desulfurizing tower beyond whirl cylinder, this shrouding can be welded on whirl cylinder; In this whirl cylinder, cyclone is installed in bottom, this cyclone comprises swirl vane axle 7 and swirl vane 6, swirl vane circularizes arrangement around swirl vane axle, tilts to be installed on swirl vane axle, swirl vane axle and whirl cylinder are coaxially installed, install swirl vane between whirl cylinder and swirl vane axle, the internal diameter of whirl cylinder is identical with the external diameter of swirl vane.Swirl vane is the blade construction that propeller type tilts, and its angle of inclination becomes 30-60 degree with axis, and the quantity of swirl vane can be determined as the case may be, arranges six swirl vanes in the present embodiment; In the present embodiment, the angle of inclination of swirl vane and axis direction is 30 degree; Swirl vane can take plane or curve form, and the present embodiment is plane blade; The profile of projecting blade can be rectangle or fan-shaped, and the present embodiment is fan-shaped.
In the present embodiment, the shrouding above eddy flow section arranges linkage section near Ta Bi position.
The pneumatic water conservancy diversion mixing arrangement of the utility model flue gas can be applied to as in desulfurizer aspect
The utility model pneumatic water conservancy diversion mixing arrangement operation principle is as follows:
Flue gas enters eddy flow section from bottom to top, absorbing liquid enters eddy flow section from top to bottom, spiral helicine air-flow contacts with top-down solution in whirl cylinder, solution is broken and is divided into droplet under the effect of swirling eddy, the drop that diameter is less than dividing diameter can move upward with air-flow from bottom to top, and in motion process, aggregate into the drop of larger particles gradually, fall under gravity, this process can ceaselessly move in circles, macroscopically will form one section of gas-liquid suspension section in whirl cylinder, there is violent effect of mass transmitting in gas-liquid two-phase in this suspension section, reach good desulfurized effect.Flue gas, by after eddy flow section, arrives diversion section, carries out water conservancy diversion to flue gas, reduces tower wall place flue gas, reduces the wall effect of flue gas.Effectively can be improved the mixing effect of flue gas and absorbing liquid by above device, reduce the tower wall effect of flue gas, reach better sulfur dioxide removal effect.
Claims (8)
1. the pneumatic water conservancy diversion mixing arrangement of flue gas, it is characterized in that: described device is Vertical Combination device, an eddy flow section is set in the below of device, a linkage section is set above eddy flow section, above linkage section, arrange a diversion section, this eddy flow section and diversion section are linked together by linkage section;
In described eddy flow section, swirl-flow devices is set, described swirl-flow devices comprises whirl cylinder and cyclone, this whirl cylinder is the whirl cylinder of a hollow, and on the outer surface of this whirl cylinder top and bottom, co-axial seal installs the inner edge of shrouding, and the outer rim co-axial seal of this shrouding is installed on inside tower body; In this whirl cylinder, cyclone is installed in bottom, this cyclone comprises swirl vane axle and swirl vane, swirl vane circularizes arrangement around swirl vane axle, tilts to be installed on swirl vane axle, swirl vane axle and whirl cylinder are coaxially installed, install swirl vane between whirl cylinder and swirl vane axle, the internal diameter of whirl cylinder is identical with the external diameter of swirl vane.
2. the pneumatic water conservancy diversion mixing arrangement of flue gas according to claim 1, is characterized in that: series and parallel Multi-stage spiral device in described eddy flow section.
3. the pneumatic water conservancy diversion mixing arrangement of flue gas according to claim 1, is characterized in that: described linkage section is for welding or be threaded; Or, the shrouding above eddy flow section arranges linkage section near Ta Bi position.
4. the pneumatic water conservancy diversion mixing arrangement of flue gas according to claim 1, is characterized in that: described diversion section is an annular guiding device.
5. the pneumatic water conservancy diversion mixing arrangement of flue gas according to claim 1, is characterized in that: adopt rubber blanket to connect when described diversion section is connected with inner wall of tower or welding.
6. the pneumatic water conservancy diversion mixing arrangement of flue gas according to claim 1, is characterized in that: described whirl cylinder height 300mm-1000mm.
7. the pneumatic water conservancy diversion mixing arrangement of flue gas according to claim 1, is characterized in that: described seal plate welding is on whirl cylinder.
8. the pneumatic water conservancy diversion mixing arrangement of the flue gas according to any one of claim 1 to 7, it is characterized in that: described swirl vane is the blade construction that propeller type tilts, its angle of inclination becomes 30-60 degree with axis, and adopt the blade shape of plane or curved surface, its perspective plane is rectangle or fan-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505197.XU CN204073828U (en) | 2014-09-03 | 2014-09-03 | The pneumatic water conservancy diversion mixing arrangement of a kind of flue gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505197.XU CN204073828U (en) | 2014-09-03 | 2014-09-03 | The pneumatic water conservancy diversion mixing arrangement of a kind of flue gas |
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| CN204073828U true CN204073828U (en) | 2015-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190231A (en) * | 2014-09-03 | 2014-12-10 | 航天环境工程有限公司 | Pneumatic guiding flue gas mixing device and application thereof |
-
2014
- 2014-09-03 CN CN201420505197.XU patent/CN204073828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190231A (en) * | 2014-09-03 | 2014-12-10 | 航天环境工程有限公司 | Pneumatic guiding flue gas mixing device and application thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |