CN202141063U - Smoke guide device - Google Patents
Smoke guide device Download PDFInfo
- Publication number
- CN202141063U CN202141063U CN201120251752U CN201120251752U CN202141063U CN 202141063 U CN202141063 U CN 202141063U CN 201120251752 U CN201120251752 U CN 201120251752U CN 201120251752 U CN201120251752 U CN 201120251752U CN 202141063 U CN202141063 U CN 202141063U
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- Prior art keywords
- flue gas
- guiding device
- diversion division
- building block
- face
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Abstract
The utility model discloses a smoke guide device, which includes one or more smoke guide lines (3) mounted on a liner (1a) of a chimney cylinder body (1), and is characterized in that each smoke guide line (3) is shaped as a big spiral and is formed by stacking a plurality of blocks (4) with guiding parts (41); and as the guiding part (41) of every block (4) is provided with a smooth inclined surface (41a), the inclined surfaces (41a) of all the stacked blocks (4) are smoothly connected to form a guiding surface (31) used for smoke to spirally ascend. As the guide line is formed by stacking the blocks provided with the guiding parts with the smooth inclined surfaces, the guide line has the smooth guiding surface, the guide line has simple construction technology, and the block has ingenious structural design. The guide device is used for guiding fluid, and particularly used for guiding smoke from chimneys of the industries as electric power, metallurgy, chemical industry, and the like.
Description
Technical field
The utility model relates to a kind of fluid flow guiding device, relates in particular to a kind of flue gas guiding device.
Background technology
In recent years, along with the steady enforcement of national environmental protection policy and the enhancing of popular environmental consciousness, the operation of industry flue gas desulphurization systems such as domestic electric power, metallurgy, chemical industry has got into normalization and standardization.The general enterprise of discharging fume adopts flue gas wet desulphurization process, and this technology is high to the SO2 removal efficiency in the flue gas, and is about more than 95%, but not high to the main component SO3 removal efficiency of flue gas corrosion, and about about 20%.About 40 ℃-50 ℃ of flue-gas temperature after the wet desulphurization, flue gas is saturated, and water content is high, high humidity, temperature is low, and flue gas is in the condensation and dewfall state.Flue gas in the conventional chimney is operation under positive pressure, and the flue gas after the wet desulphurization processing generally also contains strong corrosive materials such as fluoride and chloride.Therefore; Chimney behind the smoke-gas wet desulfurization is because the influence of condensation and dewfall and flue gas operation under positive pressure; Flue gas environment (low temperature, high humidity, strong corrosive material etc.) further aggravates the chimney corrosion condition, and chimney emission inner core corrosion leakage example increases gradually, and has formed trend.
For addressing this problem, general chimney is set up interior cover (claiming telescopic chimney) in chimney barrel, and its flue is to get into chimney with form of straight lines and by the tube core line of chimney; The chimney of this structure, flue gas rising resistance is big, and is not energy-conservation; Flue gas flow field is disorderly in the cylindrical shell, and strong corrosive materials such as the condensation acid solution in the wet flue gas are dirty along inner wall of stack, and most of chimney is the operation under positive pressure state; So very easily cause the flue gas corrosion liner, cause the liner corrosion to come off and perforation, cylindrical shell breaks.And telescopic chimney involves great expense, and installation technology is complicated, only be to solve maintenance and change the sleeve problem, and or not the scheme of effecting a permanent cure.
Other has prior art that spiral rifling structure is set on the chimney lining wall; And the mouth that advances be communicated with the spiral rifling is set in the chimney barrel lower end; Flue is communicated with chimney through advancing mouth, makes flue gas by after advancing the mouth entering, is configured in formula rising in the shape of a spiral in the chimney barrel along the spiral rifling; Be gathered in the axis area in the cylindrical shell so that the material of severe corrosives such as condensed water particle inhales volume, be used to solve the etching problem of chimney.
But this spiral rifling structure is by the building block on barrel of encorbelmenting stacked the forming that misplace up and down; As shown in Figure 8; It is concavo-convex to be ladder up and down between the masonry, and there are very big resistance in building block cross section and rough surface out-of-flatness to the flue gas that rises; Increase the energy consumption of air-introduced machine, can not reach effective water conservancy diversion effect; And; The up-wards inclination angle of helix realizes through the translation fissure of displacement between the stacked up and down building block in the work progress; Its degree of accuracy of angle of inclination more is difficult to control for the desired helix of design drawing; Very easily cause the deviation of the whole angle of helix, difficulty of construction is big, and construction technology is bad control; In order to overcome the concavo-convex and rough surface out-of-flatness of ladder between its masonry; And adopt the acid-resistant cement mortar with it with concavo-convex floating; But after actual condition moved very short a period of time down, the flue gas stream that the mortar on surface is just risen washed away and comes off, and can not arrive the effect of effecting a permanent cure; In addition; Its building block length of encorbelmenting on inner wall of stack of spiral rifling structure of prior art is single; Flue gas was risen to the epimere portion (clivia in the cylindrical shell is than the stage) of chimney barrel by the bottom after, because institute's cross section taken in correspondence diameter reduces, but the minister's degree of encorbelmenting that stretches out inner wall of stack did not reduce; Cause flue gas stream can not play effective water conservancy diversion effect to rising; Increase the resistance that flue gas rises on the contrary, be prone to cause the desulfurization wet flue gas to wash away the annular brace platform with corrosion penetration cylindrical shell liner and liner, can not fundamentally not solve the wet etching problem of chimney of desulfurization.
Summary of the invention
The purpose of the utility model is exactly in order to overcome the problem that above-mentioned prior art exists; A kind of flue gas guiding device is provided; This guiding device is formed by the building block bond of the diversion division with smooth bevel; Make guiding device have smooth guide face, and the construction of guiding device is simple, the block structure design is ingenious.
For realizing the above-mentioned purpose of the utility model, following technical scheme is provided:
A kind of flue gas guiding device comprises: be installed in one or more flue gas channelizing line on the chimney barrel liner; Said flue gas channelizing line is the king bolt shape; Said flue gas channelizing line is formed by the building block bond that polylith has diversion division; The diversion division of each building block has smooth inclined-plane, and the inclined-plane smooth connection of bond all building blocks together forms the guide face that the flue gas rotation is risen.
Wherein, building block comprises the body of block on said chimney barrel liner, and said diversion division is stretched out the liner of said chimney barrel by an end face level of said body.
Particularly; Diversion division is a cylinder, and the relative bottom surface of the end face of said cylinder is moved to a lateral deviation of said body, and the side of said cylinder forms said inclined-plane; And the bus of said cylinder is parallel with the said end face of said body, with the said side formation angle β of said body.
Wherein, the bottom surface of the diversion division of a building block in the said polylith building block overlaps with the end face of the diversion division of adjacent block, and the said inclined-plane smooth connection of all building blocks forms the said guide face that the flue gas rotation is risen.
Particularly, to stretch out the length of said chimney barrel liner be the 0.5%-1.5% of correspondence position chimney barrel cross-sectional diameter to diversion division.
Particularly, the bottom of chimney barrel is provided with into mouth, the bottom of said spiral flue gas channelizing line and saidly advance between the mouth to form distance.
In addition, form distance between the top of spiral flue gas channelizing line and the said chimney barrel top.
Wherein, body is cuboid or square; The inclined-plane is a curved surface, and the end face of said cylinder and bottom surface are a circle or an oval part.
Particularly, 15 °≤β≤75 °.
The beneficial effect of the utility model embodies in the following areas:
1, spiral flue gas channelizing line is formed by the building block bond with diversion division; And diversion division has smooth bevel, makes the inclined-plane smooth connection of a plurality of building blocks constitute flue gas channelizing line, channelizing line smooth surface; Can effectively play the effect of water conservancy diversion for the flue gas that rises; Make flue gas carry out regularity rotation smoke evacuation with identical rotation direction, plume rigidity is big, the lifting resistance is little, helps energy-conservation;
2, the bottom surface of the diversion division through will going up a building block overlaps with the end face of the diversion division of next building block and can realize easily just being connected of building block up and down that the channelizing line angle of inclination of formation is accurate, and the channelizing line constructing operation is convenient and simple;
3, the diversion division length of stretching out the chimney barrel inner liner wall according to the chimney diameter reduce shorten; And the number of channelizing line is along the rising of chimney height and reduce; The bottom distance of channelizing line is advanced mouth one segment distance; The top of channelizing line is apart from top one segment distance of chimney, thereby plays rational water conservancy diversion effect and reduced the resistance that flue gas rises;
4, spiral channelizing line device can effectively carry out regular rotation around moving and elevator for the flow of flue gas in the chimney barrel, thereby promotes and strengthen the suction volume effect of central negative pressure, makes the flue gas rotation discharge atmosphere.The centrifugal force and the central negative pressure that utilize the rotation flow of flue gas to produce; Make lightweight particles such as strong corrosive material such as condensation acid mist in the flue gas and solid-state micronic dust inhaled volume and be gathered in the axis area of chimney; Thereby the chimney internal cylinder wall is in the operation of relative dry state, has avoided after the wet desulphurization wet flue gas to the corrosion infringement of inner wall of stack.
Description of drawings
Fig. 1 is the overall structure sketch map that the utility model is arranged on the flue gas channelizing line on the chimney barrel liner;
The master that Fig. 2 builds on the chimney barrel liner for building block looks sketch map;
Fig. 3 is the perspective view of the utility model building block;
Fig. 3 a is that the master of the utility model building block looks sketch map;
Fig. 3 b is the schematic top plan view of building block among Fig. 3 a;
Fig. 3 c is that sketch map is looked on the right side of building block among Fig. 3 a;
Fig. 4 a is that the master together the time looks sketch map with a plurality of building block bonds;
Fig. 4 b is the vertical view of Fig. 4 a;
Fig. 5 a is that the master together the time looks sketch map with the building block bond of a plurality of another versions;
Fig. 5 b is the vertical view of Fig. 5 a;
Fig. 6 is the schematic top plan view that building block is connected with the chimney barrel liner;
Fig. 7 is the another kind of structural representation of the utility model building block;
Fig. 8 is the structural representation of prior art flue gas channelizing line.
Description of reference numerals: 1-chimney barrel; The 1a-liner; 10-advances mouth; The 2-flue; 3-flue gas channelizing line; The 31-guide face; The 4-building block; The 40-body; The 41-diversion division; The 41a-inclined-plane; The 41b-end face; The 41c-bottom surface.
The specific embodiment
Shown in the overall structure sketch map that Fig. 1 the utility model is arranged on the flue gas channelizing line on the chimney barrel inwall, be installed in one or more flue gas channelizing line 3 on the chimney barrel liner 1a; Flue gas channelizing line 3 is the king bolt shape; Flue gas channelizing line 3 is formed by building block 4 bonds that polylith has diversion division 41; The diversion division 41 of each building block 4 has smooth inclined-plane 41a, makes together all of bond build 4 inclined-plane 41a smooth connection, is used for the guide face 31 of spiral soaring flue gas thereby form.
As shown in Figure 2; The spiral flue gas channelizing line 3 of the utility model is formed by a plurality of building block 4 bonds; The building block 4 of the utility model has and is used for building the body 40 in chimney barrel 1 sidewall; Shown in Fig. 3,3a, 3b, 3c, diversion division 41 forms integral body with body 40, and diversion division 41 stretches out (like Fig. 3 b, shown in Figure 7) forward by an end face level of body 40; When building on chimney barrel liner 1a with the body 40 of convenient building block 4, diversion division 41 stretches out the liner 1a (as shown in Figure 6) of chimney barrel 1 to chimney barrel 1 inside.The diversion division 41 of the utility model is a cylinder; The end face 41b of cylinder and bottom surface 41c are equal-sized horizontal plane; And the end face 41b of cylinder and bottom surface 41c are positioned at same horizontal plane with the end face and the bottom surface of body 40 respectively, and the relative bottom surface 41c of the end face 41b of cylinder moves to a lateral deviation of body 40, shown in Fig. 3 b; Make the side of cylinder form inclined-plane 41a, and make the bus of cylinder and the side of body 40 form angle β.Wherein, 15 °＜β≤75 °.
Shown in Fig. 3 b; The relative bottom surface 41c of the end face 41b of the diversion division 41 of the utility model is to the skew of the right side of body 40; The bus of the diversion division 41 of cylinder body shape forms angle β (shown in Fig. 3 a) just and between the right flank of body 40 like this, when needs form spiral flue gas channelizing line 3, with body 40 bonds of a plurality of building blocks 4 on the liner of chimney barrel 1; Diversion division 41 is stretched out the liner (as shown in Figure 6) of chimney barrel 1; And make the bottom surface 41c of diversion division 41 of a building block 4 being positioned at the top overlap (shown in Fig. 4 a, 4b) with the end face of the diversion division 41 of a building block 4 of below, just can make the inclined-plane 41a smooth connection of a plurality of building blocks 4, constitute the smooth guide face 31 of spiral flue gas channelizing line 3; As shown in Figure 2; Because formation angle β between the right flank of the bus of diversion division 41 and body 40, a plurality of building block 4 bonds together the time, make spiral flue gas channelizing line 3 present rotation direction along clockwise direction.
The end face 41b of diversion division 41 also relatively bottom surface 41c to the skew of the left side of body 40; The bus of the diversion division 41 of cylinder body shape forms angle β (shown in Fig. 5 a) just and between the left surface of body 40 like this; When with a plurality of building block 4 bonds together the time; The bottom surface 41c of the diversion division 41 of a building block 4 above will being positioned at overlaps (shown in Fig. 5 a, 5b) with the end face of the diversion division 41 of a building block 4 of below; Just can make the inclined-plane 41a smooth connection of a plurality of building blocks 4 constitute the smooth guide face 31 of spiral flue gas channelizing line 3; Owing to form angle β between the left surface of the bus of diversion division 41 and body 40, a plurality of building block 4 bonds make channelizing line present the anticlockwise rotation direction in edge together the time.
Shown in Fig. 3,3a, 3b, the body 40 of the building block 4 of the utility model is a rectangular shape, and the body 40 of building block 4 can also be the square shape, perhaps is other arbitrary shape.
Wherein, the end face of diversion division 41 and bottom surface 41b, 41c are a part oval or circle.
Shown in Fig. 3 b, the end face of the diversion division 41 of the building block 4 of the utility model and bottom surface 41b, 41c are half-oval shaped, make the side of diversion division 41 form curved surface; End face and bottom surface 41b, 41c can also be semicircle or other camber line shape.
In addition, to stretch out the length of chimney barrel 1 liner 1a be the 0.5%-1.5% of correspondence position chimney barrel internal diameter to diversion division 41.Like this, the length that just makes diversion division 41 stretch out chimney barrel 1 liner shortens along with reducing of chimney barrel internal diameter, thereby avoids diversion division 41 extension elongations long, causes resistance for the flue gas that rises.
In addition, as shown in Figure 1, the bottom of the spiral flue gas water conservancy diversion 3 of the utility model and advance between the mouth 10 to form distance, this distance is a 1-5 rice; Make the flue gas that gets into through flue 2 in chimney barrel 1, behind the rising certain distance, rise along spiral flue gas channelizing line 3 rotations again.
Form distance between the top of the top of spiral flue gas channelizing line 3 and chimney barrel 1, this distance is a 5-30 rice, makes flue gas through behind the top of spiral flue gas channelizing line 3; Being the acceleration form directly arranges to atmosphere; Flue gas resistance is little, and plume rigidity is big, and diffusance is wide.
Wherein, the bar number that chimney barrel 1 inner liner wall is provided with spiral flue gas channelizing line 3 is many, and the bar number of spiral flue gas channelizing line 3 reduces along with increasing of chimney barrel 1 height, and the rotation direction of every spiral flue gas channelizing line 3 is identical.
The bar number of the spiral flue gas channelizing line 3 of the utility model is the 4-26 bar, and the distance between adjacent two equates that be 2-6.5 rice, the rotation direction of spiral flue gas channelizing line 3 is a clockwise direction.
Although preceding text have been done detailed description to the utility model; But the utility model is not limited thereto; The technical staff in present technique field can make amendment according to the principle of the utility model; Therefore, all various modifications of carrying out according to the principle of the utility model all are to be understood that to falling into the protection domain of the utility model.
Claims (10)
1. a flue gas guiding device comprises: be installed in one or more flue gas channelizing line (3) on chimney barrel (1) inwall; It is characterized in that,
Said flue gas channelizing line (3) is the king bolt shape;
Said flue gas channelizing line (3) is formed by building block (4) bond that polylith has diversion division (41);
The diversion division (41) of each building block (4) has smooth inclined-plane (41a), and inclined-plane (41a) smooth connection of bond all building blocks (4) together forms the guide face (31) that the flue gas rotation is risen.
2. flue gas guiding device as claimed in claim 1; It is characterized in that; Said building block (4) comprises the body (40) of block on said chimney barrel (1) liner (1a), and said diversion division (41) is stretched out the liner (1a) of said chimney barrel (1) by an end face level of said body (40).
3. flue gas guiding device as claimed in claim 2; It is characterized in that; Said diversion division (41) is a cylinder, and the end face of said cylinder (41b) moves to a lateral deviation of said body (40) bottom surface (41c) relatively, and the side of said cylinder forms said inclined-plane (41a); And the bus of said cylinder is parallel with the said end face of said body (40), with the said side formation angle β of said body (40).
4. flue gas guiding device as claimed in claim 3; It is characterized in that; The bottom surface (41c) of the diversion division (41) of the building block (4) in the said polylith building block overlaps with the end face (41b) of the diversion division (41) of adjacent block (4), and said inclined-plane (41a) smooth connection of all building blocks (4) forms the said guide face (31) that the flue gas rotation is risen.
5. like the arbitrary described flue gas guiding device of claim 2-4, it is characterized in that the length that said diversion division (41) stretches out said chimney barrel (1) liner (1a) is the 0.5%-1.5% of correspondence position chimney barrel (1) cross-sectional diameter.
6. flue gas guiding device as claimed in claim 5 is characterized in that, the bottom of said chimney barrel (1) is provided with into mouth (10), the bottom of said spiral flue gas channelizing line (3) and saidly advance between the mouth to form distance.
7. flue gas guiding device as claimed in claim 5 is characterized in that, forms distance between the top of said spiral flue gas channelizing line (3) and said chimney barrel (1) top.
8. flue gas guiding device as claimed in claim 3 is characterized in that, said body (40) is cuboid or square.
9. flue gas guiding device as claimed in claim 3 is characterized in that, said inclined-plane (41a) is curved surface, and the end face of said cylinder and bottom surface are a circle or an oval part.
10. flue gas guiding device as claimed in claim 3 is characterized in that, 15 °≤β≤75 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120251752U CN202141063U (en) | 2011-07-15 | 2011-07-15 | Smoke guide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120251752U CN202141063U (en) | 2011-07-15 | 2011-07-15 | Smoke guide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202141063U true CN202141063U (en) | 2012-02-08 |
Family
ID=45552121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120251752U Expired - Fee Related CN202141063U (en) | 2011-07-15 | 2011-07-15 | Smoke guide device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202141063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563679A (en) * | 2011-07-15 | 2012-07-11 | 中环华创(北京)科技发展有限公司 | Flue gas guide device |
-
2011
- 2011-07-15 CN CN201120251752U patent/CN202141063U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563679A (en) * | 2011-07-15 | 2012-07-11 | 中环华创(北京)科技发展有限公司 | Flue gas guide device |
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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: 20120208 Termination date: 20150715 |
|
| EXPY | Termination of patent right or utility model |