CN102444309A - Non-corrosive dust-collecting and energy-saving chimney - Google Patents
Non-corrosive dust-collecting and energy-saving chimney Download PDFInfo
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- CN102444309A CN102444309A CN2011102777961A CN201110277796A CN102444309A CN 102444309 A CN102444309 A CN 102444309A CN 2011102777961 A CN2011102777961 A CN 2011102777961A CN 201110277796 A CN201110277796 A CN 201110277796A CN 102444309 A CN102444309 A CN 102444309A
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Abstract
The invention discloses a non-corrosive dust-collecting and energy-saving chimney, which belongs to the field of chimneys and aims at solving the problems that an inner chamber spiral line arranged in the existing chimney is poor in wall-adhering turbulence effect, the mounting is difficult and the service life of the chimney is not long. The non-corrosive dust-collecting and energy-saving chimney comprises a chimney cylinder body, wherein a smoke inlet is arranged at the lower part of the chimney cylinder body, a plurality of turbulence ribs are arranged on the inner wall of the chimney cylinder body, the adjacent two turbulence ribs are arranged in the same direction, and the spacing interval between the adjacent two turbulence ribs is 0.3m-6m. The non-corrosive dust-collecting and energy-saving chimney disclosed by the invention adopts the structure of the turbulence ribs on the premise of not weakening the dust-collecting effect, so that the non-corrosive dust-collecting and energy-saving chimney can ensure that wet smoke gas and acid-containing impurities are not adhered on the wall at all; furthermore, the stability of the structure is high, and the environment-friendly effect is good; and compared with the conventional chimney with the same height and the same discharge amount, the non-corrosive dust-collecting and energy-saving chimney has the advantages of long service life, good environment-friendly effect and low resistance, and can reduce the power consumption of an induced draft fan by about 8.5%.
Description
Technical field
The present invention relates to chimney, further be meant have do not have rotten, gather dust, the chimney of power saving function.
Background technology
In recent years, be the protection environment, the flue gas that contains nuisance sulfur dioxide that industries such as smelting, generating, chemical industry are produced promptly carries out wet desulphurization before it gets into chimney, thereby the cigarette temperature is dropped to below the dew point; In chimney, to form the condensed water that contains acid solution adherent dirty along inner wall of stack but produce wet flue gas thus, very easily makes liner rot to cause the cylindrical shell cracking.
For addressing this problem, general method is a thorax helix in the chimney barrel inwall is provided with, and 1～60 of operated by rotary motion is used for the interior thorax helix of flow-disturbing; Played the flow-disturbing effect to a certain extent, but because interior thorax helix radical is few, length is long; When design, be difficult to reach the design parameters of best flow-disturbing effect, and because the problem of chimney internal diameter and sloping ratio can not guarantee the not adherent fully rising of wet flue gas; Therefore, wet flue gas still can corrode liner to a certain extent.Interior in addition thorax helical length is long, generally extends to the chimney top from the chimney bottom spiral inner wall, and manufacture difficulty is big, installs complicated.
Summary of the invention
In order to overcome the adherent flow-disturbing poor effect of interior thorax helix that existing chimney is provided with; And the defective of difficult installation, the present invention aims to provide a kind of no rotten dust-collecting energy-saving chimney, and this chimney adopts flow-disturbing muscle structure; It gives disturbance when mobile to wet flue gas is adherent; Guarantee that wet flue gas is not adherent fully, exempt from its wet flue gas and contain of the corrosion of sour impurity, prolong the application life of chimney inner wall of stack.
To achieve these goals; The technical scheme that the present invention adopted is: said no rotten dust-collecting energy-saving chimney comprises that the bottom is provided with the into chimney barrel of mouth; Its design feature is; Also comprise many flow-disturbing muscle that are arranged on the chimney barrel inwall, the layout in the same way of said adjacent two flow-disturbing muscle, and the spacing between adjacent two two flow-disturbing muscle is 0.3m～6m.
Said flow-disturbing muscle is meant to be arranged on the chimney barrel inwall, and adherent wet flue gas is carried out flow-disturbing, reaches the fin of wet flue gas turbulent flow effect.
In order to guarantee the flow-disturbing effect, said every flow-disturbing muscle lift angle β with respect to the horizontal plane is preferably: 5 °≤β≤90 °, and 80 °＜β≤90 ° more preferably.
Said every flow-disturbing muscle preferably by disjunct multistage and the fin of arranging in the same way form; Be that single flow-disturbing muscle is made up of disjunct multistage fin at the chimney barrel inwall from top to bottom; And these fins arrange in the same way, and this is for traditional several or tens interior thorax helixes, and the flow-disturbing muscle can reach hundreds of; Even more, so flow-disturbing better effects if.
See on the whole, said every flow-disturbing muscle be shaped as straight line, curve or broken line.
Further; According to actual needs; The cross sectional shape of crossing the chimney barrel axial line of said flow-disturbing muscle can be selected from least a in straight line, oblique line, curve and the broken line, and the flow-disturbing muscle can be higher than its other end near the end in chimney barrel axle center, also can be not less than its other end.
Further; In said adjacent two flow-disturbing muscle arbitrarily; On the cross sectional shape of crossing the chimney barrel axial line, top flow-disturbing muscle is not more than bottom flow-disturbing muscle near an end in axle center and the vertical distance Xb of chimney barrel wall near an end in axle center and the vertical distance Xa of chimney barrel wall to a flow-disturbing muscle on top with respect to a flow-disturbing muscle of bottom.
Said flow-disturbing muscle preferably is built into by fragment of brick, certainly, according to actual needs, also can adopt other material that can satisfy flow-disturbing muscle performance requirement, promptly corrosion-resistant, difficult aging, not labile material; Like various solid or hollow pots such as concrete block, metal derby, glass bloom, unit of plastic, new material piece, plate.
The upper side of above-mentioned flow-disturbing muscle can be wiped with mortar.Said flow-disturbing muscle can be through clamping, and the part material can adopt welding or bonding way to link to each other with chimney barrel.
By said structure, flue gas is pasting chimney barrel wall spiral and is rising through on the flow-disturbing muscle, because the flow-disturbing muscle can be divided into multistage, even reaches hundreds of sections, it can guarantee that to the disturbance better effects if of wet flue gas wet flue gas is not adherent fully,
Above-mentionedly advance mouth and be preferably one or two, its radial section shape can be rectangle, ellipse, polygon or circle.When a chimney is provided with two when advancing mouth, preferably advance the mouth layout that is parallel to each other, so that the flue dust that gets into can not have the purpose of rotten dust-collecting energy-saving with identical rotation direction in chimney barrel with these two; Also can form eddy flow, reach the purpose of no rotten dust-collecting energy-saving equally by a flue dust that advances the unidirectional entering of mouth.
Saidly advance mouth and be externally connected with the chimney flue, the arranged direction of the chimney barrel inwall flow-disturbing muscle that advances cigarette direction and adjacency of this chimney flue is in the same way; The oblique line flue that said chimney flue is the curve smoke channel that is positioned at the chimney barrel lower outside, be positioned at chimney barrel lower outside and the tangent line flue that is connected with this chimney barrel tangent line or be positioned at the chimney barrel lower outside and be connected with the non-tangent line of this chimney barrel.
Saidly advance mouth and be provided with and advance the chimney flue that mouth smoothly docks, this chimney flue can be that curve smoke channel, oblique line flue or tangent line flue mode are advanced mouth with chimney and be connected,
As preferred version of the present invention; In order to improve the circulation effect of flue gas stream further; A said side of advancing mouth is provided with the deflector that places in the chimney barrel, and the plane b that the end that this deflector is connected with chimney barrel and this deflector other end are constituted is 20 °～90 ° with respect to the angle of advancing mouth air deflector chimney barrel tangent line.Further, said deflector is straight plate, broken line plate or curve ruler.Arc more preferably, when deflector is arc, this arc deflector for the arc back of the body (convex surface) towards the chimney axis direction, be convenient to flue dust is carried out adherent water conservancy diversion.In order to make the circulation better effects if of flue gas stream, the said opposite side that advances mouth has a breach.
For the existing chimney that has two to advance mouth, also need guarantee two advance mouth the deflector layout that is parallel to each other, be convenient to flue gas and in chimney barrel, produce eddy flow with rotation direction.
Further, above-mentioned chimney barrel has different slope ratios from the bottom to top.
By said structure, the chimney of said structure is broken through traditional interior thorax helical design; Interior thorax helix improvement is the flow-disturbing muscle, simple in structure, easy to make; Adherent mobile wet flue gas disturbance better effects if, flue gas can get into chimney barrel through advancing mouth from curve smoke channel, tangent line flue or oblique line flue, can be before getting into chimney barrel; In curve smoke channel, tangent line flue or oblique line flue, produce good rotation in advance; Help to improve efficiency of dust collection, make that pitot loss is little, dust content greatly reduces, and plume rigidity is big; After flue gas got into chimney, under the effect of flow-disturbing muscle, flue gas continued to keep rising.Because flue gas stream rising centrifugal action, a small amount of dust granules that remains in the flue gas stream mainly is distributed in the flue center.Flue gas generation condensation is relevant with contained grit, at first is to rely on grit to form nucleus of condensation, enlarges gradually then and forms overall condensation.Because grit focuses mostly at the flue center, so condensation mostly occurs at flue axis one band, and nearly wall plume still can be kept the unsaturation state, and the wall drying is not corroded by condensed fluid.
Compare with existing chimney, the invention has the beneficial effects as follows: the present invention adopts flow-disturbing muscle structure under the prerequisite that does not weaken dust collection effect; Flue gas circulation is smooth and easy, guarantees wet flue gas and contain sour impurity not adherent fully, greatly reduces wet flue gas and contains the corrosion of sour impurity to inner wall of stack; And structural stability is high; Environment protecting is good, and prolong application life greatly, and cost is cheap relatively
Chimney of the present invention and co-altitude, compare with the conventional chimney of discharge value, long service life, environment protecting improves 25-45%, and self resistance is low by 20%, thereby can reduce air-introduced machine power consumption about 8.5%; Flue gas under the disturbance of flow-disturbing muscle, is equivalent to cyclone dust collectors in tube, 30%-80% can gather dust.
Below in conjunction with accompanying drawing and embodiment the present invention is done further elaboration.
Description of drawings
Fig. 1 is the structural representation (broken section) of an embodiment of the present invention;
Fig. 2 is the structural representation of the another kind of form of flow-disturbing muscle among Fig. 1;
Fig. 3 is that the flow-disturbing muscle is the structural representation of oblique line among Fig. 1;
Fig. 4 is the A-A sectional view of Fig. 1;
Fig. 5 is the B-B sectional view (flow-disturbing muscle cross sectional shape is a broken line) of Fig. 4;
Fig. 6 is the B-B sectional view (flow-disturbing muscle cross sectional shape is an oblique line) of Fig. 4;
Fig. 7 is the B-B sectional view (flow-disturbing muscle cross sectional shape is a curve) of Fig. 4;
Fig. 8 is the outline drawing of Fig. 1.
In the drawings:
The 1-chimney barrel, 2-advances mouth, and 3,3a, 3b-flow-disturbing muscle,
Swirling flow in the 4-deflector, 5-, the outer eddy flow of 6-, 7-flue;
The junction and deflector 4 planes that the other end constitutes of b-deflector 4 and chimney barrel 1;
D-is perpendicular to the straight line of deflector 4 place's chimney barrels 1 tangent line.
The specific embodiment
A kind of no rotten dust-collecting energy-saving chimney; As shown in Figure 1, comprise that the bottom is provided with the into chimney barrel 1 of mouth 2, is arranged on many flow-disturbing muscle 3 on chimney barrel 1 inwall; This flow-disturbing muscle 3 is positioned at and is located at the into top of mouth 2; The layout in the same way of said adjacent two flow-disturbing muscle 3, and the spacing between adjacent two two flow-disturbing muscle 3 is 0.3m～6m, is preferably 0.5m～5m.Saidly advancing mouth 2 radial section shapes and can be rectangle as shown in Figure 2, also can be circle as shown in figs. 1 and 3, can also be oval or other polygon.Saidly advance mouth 2 and be externally connected with chimney flue 7, the arranged direction of the chimney barrel that advances cigarette direction and the adjacency 1 inwall flow-disturbing muscle 3 of this chimney flue 7 is in the same way, and the outlet of chimney flue 7 and the 1 inwall smooth connection of said chimney barrel; Said chimney flue 7 is the curve smoke channel that is positioned at chimney barrel 3 lower outside as shown in Figure 8, also can be the oblique line flue that is positioned at chimney barrel 3 lower outside and the tangent line flue that is connected with these chimney barrel 3 tangent lines or is positioned at chimney barrel 3 lower outside and is connected with these chimney barrel 3 non-tangent lines.
As shown in Figure 1, said flow-disturbing muscle 3 lift angle β with respect to the horizontal plane is: 5 °≤β≤90 °.With Fig. 2 is example, and flow-disturbing muscle 3 lift angle β with respect to the horizontal plane is 80 °＜β≤90 °, is example with Fig. 3, and flow-disturbing muscle 3 lift angle β with respect to the horizontal plane is 50 °.Said every flow-disturbing muscle 3 can be a whole section composition as shown in Figure 2, also can be made up of disjunct multistage as shown in figures 1 and 3 and the fin of arranging in the same way.
As depicted in figs. 1 and 2, said every flow-disturbing muscle 3 be shaped as curve, can certainly be set to straight line as shown in Figure 3 as required, even be arranged to broken line.
The cross sectional shape of crossing chimney barrel 1 axial line of said flow-disturbing muscle 3 is oblique line as shown in Figure 6, curve shown in Figure 7 or with broken line shown in Figure 5.As shown in Figure 5; The cross sectional shape of crossing chimney barrel 1 axial line with flow-disturbing muscle 3 is that broken line is an example; In said adjacent two flow-disturbing muscle 3 arbitrarily; On the cross sectional shape of crossing chimney barrel 1 axial line, top flow-disturbing muscle 3a is not more than bottom flow-disturbing muscle 3b near an end in axle center and the vertical distance Xb of chimney barrel 1 wall near an end in axle center and the vertical distance Xa of chimney barrel 1 wall to a flow-disturbing muscle 3a on top with respect to a flow-disturbing muscle 3b of bottom.
As shown in Figure 4, a said side of advancing mouth 2 is provided with the deflector 4 that places in the chimney barrel 1, and the said opposite side that advances mouth 2 has a breach.In order to improve the circulation effect of flue gas stream further; Said deflector 4 is straight plate; Can certainly be curve ruler, broken line plate, and the plane b that the end that is connected with chimney barrel 1 of this deflector 4 and this deflector 4 other ends are constituted is 45 ° with respect to the angle of advancing mouth 2 deflectors 4 place's chimney barrels 1 tangent line.
Said flow-disturbing muscle 3 is processed by solid slug, hollow pot, solid slab or hollowcore slab, and said flow-disturbing muscle 3 is processed by in brick, concrete, metal, glass fiber reinforced plastic, plastics, the new material one or more, and the upper side of above-mentioned flow-disturbing muscle 3 is wiped with mortar.
The content that the foregoing description is illustrated is to be understood that to these embodiment and only is used to be illustrated more clearly in the present invention; And be not used in the restriction scope of the present invention; After having read the present invention, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
Claims (13)
1. no rotten dust-collecting energy-saving chimney; Comprise that the bottom is provided with the into chimney barrel (1) of mouth (2); It is characterized in that; Also comprise the many flow-disturbing muscle (3) that are arranged on chimney barrel (1) inwall, the layout in the same way of said adjacent two flow-disturbing muscle (3), and the spacing between adjacent two the two flow-disturbing muscle (3) is 0.3m～6m.
2. no rotten dust-collecting energy-saving chimney according to claim 1 is characterized in that, said flow-disturbing muscle (3) lift angle β with respect to the horizontal plane is: 5 °≤β≤90 °.
3. no rotten dust-collecting energy-saving chimney according to claim 2 is characterized in that, said flow-disturbing muscle (3) lift angle β with respect to the horizontal plane is: 80 °＜β≤90 °.
4. according to the described no rotten dust-collecting energy-saving chimney of one of claim 1～3, it is characterized in that, said every flow-disturbing muscle (3) by disjunct multistage and the fin of arranging in the same way form.
5. according to the described no rotten dust-collecting energy-saving chimney of one of claim 1～3, it is characterized in that, said every flow-disturbing muscle (3) be shaped as straight line, curve or broken line.
6. according to the described no rotten dust-collecting energy-saving chimney of one of claim 1～3, it is characterized in that the cross sectional shape of crossing chimney barrel (1) axial line of said flow-disturbing muscle (3) is straight line, oblique line, curve or broken line.
7. according to the described no rotten dust-collecting energy-saving chimney of one of claim 1～3; It is characterized in that; In said adjacent two flow-disturbing muscle (3) arbitrarily; On the cross sectional shape of crossing chimney barrel (1) axial line, top flow-disturbing muscle (3a) is not more than bottom flow-disturbing muscle (3b) near an end in axle center and the vertical distance Xb of chimney barrel (1) wall near an end in axle center and the vertical distance Xa of chimney barrel (1) wall to a flow-disturbing muscle (3a) on top with respect to the flow-disturbing muscle (3b) of bottom.
8. according to the described no rotten dust-collecting energy-saving chimney of one of claim 1～3, it is characterized in that said flow-disturbing muscle (3) is processed by solid slug, hollow pot, solid slab or hollowcore slab.
9. according to the described no rotten dust-collecting energy-saving chimney of one of claim 1～3, it is characterized in that said flow-disturbing muscle (3) is processed by in brick, concrete, metal, glass fiber reinforced plastic, plastics, the new material one or more.
10. according to the described no rotten dust-collecting energy-saving chimney of one of claim 1～3, it is characterized in that the upper side of said flow-disturbing muscle (3) is wiped with mortar.
11., it is characterized in that the said radial section that advances mouth (2) is shaped as rectangle, ellipse, circular or polygon according to the described no rotten dust-collecting energy-saving chimney of one of claim 1～3.
12. according to the described no rotten dust-collecting energy-saving chimney of one of claim 1～3; It is characterized in that; Saidly advance mouth (2) and be externally connected with chimney flue (7); The arranged direction of the chimney barrel that advances cigarette direction and adjacency (1) the inwall flow-disturbing muscle (3) of this chimney flue (7) is in the same way, and the outlet of chimney flue (7) and said chimney barrel (1) inwall smooth connection; Said chimney flue (7) is the curve smoke channel that is positioned at chimney barrel (3) lower outside, the oblique line flue that is positioned at chimney barrel (3) lower outside and the tangent line flue that is connected with this chimney barrel (3) tangent line or is positioned at chimney barrel (3) lower outside and is connected with the non-tangent line of this chimney barrel (3).
13., it is characterized in that saidly advance mouth (2) one sides and be provided with deflector (4), this deflector (4) is straight plate, broken line plate or curve ruler according to the described no rotten dust-collecting energy-saving chimney of one of claim 1～3; The angle a that the end that said deflector (4) is connected with chimney barrel (1) and this deflector (4) plane b that the other end constituted locate chimney barrel (1) tangent line with respect to deflector (4) is 20 °～90 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102777961A CN102444309A (en) | 2011-09-19 | 2011-09-19 | Non-corrosive dust-collecting and energy-saving chimney |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102777961A CN102444309A (en) | 2011-09-19 | 2011-09-19 | Non-corrosive dust-collecting and energy-saving chimney |
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| CN102444309A true CN102444309A (en) | 2012-05-09 |
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| CN102733643A (en) * | 2012-07-19 | 2012-10-17 | 湖南天通无腐烟囱工程有限公司 | Anti-corrosion dust collection energy-saving chimney |
| CN104826405A (en) * | 2015-05-25 | 2015-08-12 | 湘潭大学 | Inner spiral ascending type turbulator of tangential air suction tower |
| CN107702123A (en) * | 2017-09-29 | 2018-02-16 | 中冶东方工程技术有限公司 | It is incubated flue and the preparation method for being incubated flue |
| CN108662601A (en) * | 2018-07-17 | 2018-10-16 | 天津市丰源燃气热力工程设计有限公司 | A kind of inner wall of stack flue gas flow guiding device |
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| CN108662601A (en) * | 2018-07-17 | 2018-10-16 | 天津市丰源燃气热力工程设计有限公司 | A kind of inner wall of stack flue gas flow guiding device |
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Application publication date: 20120509 |