CN101942898A - Gusset plate for internal support connection of flue and air duct and construction method thereof - Google Patents
Gusset plate for internal support connection of flue and air duct and construction method thereof Download PDFInfo
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- CN101942898A CN101942898A CN 201010278567 CN201010278567A CN101942898A CN 101942898 A CN101942898 A CN 101942898A CN 201010278567 CN201010278567 CN 201010278567 CN 201010278567 A CN201010278567 A CN 201010278567A CN 101942898 A CN101942898 A CN 101942898A
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- gusset plate
- support
- air channel
- cigarette air
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 235000019504 cigarettes Nutrition 0.000 claims description 146
- 239000003351 stiffener Substances 0.000 claims description 30
- 239000000779 smoke Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 6
- 239000003546 flue gas Substances 0.000 abstract 6
- 238000003466 welding Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The invention discloses a gusset plate for connecting inner supports of a flue gas duct, wherein the gusset plate is arranged at a connecting part between the inner supports or between the inner supports and the inner wall of the flue gas duct, and the plate surface of the gusset plate is parallel to the flow direction of flue gas in the flue gas duct; the invention also discloses a construction method of the gusset plate. The panel surface of the gusset plate is parallel to the flow direction of smoke and air in the smoke and air duct, and the flow cross section area of actual utilization of the smoke and air is increased, so that the flow velocity of the smoke and air is reduced, the flow resistance of the smoke and air is reduced, the energy consumption is reduced, and the energy conservation is realized; the flue gas flows through the node plates and then is not easy to form vortex, so that the vibration of the flue gas duct is reduced, and the noise generated by the vibration is greatly reduced; because the gusset plate has the function of the guide plate, when a plurality of inner supports of the smoke and air duct are arranged along the flow direction of smoke and air, the guide plate does not need to be additionally arranged, and the good effect of organizing the air flow distribution can be realized, thereby reducing the construction cost.
Description
Technical field
The present invention relates to a kind of building unit, particularly relate to a kind of gusset plate that is used for support and connection in the cigarette air channel, also relate to the job practices of above-mentioned gusset plate.
Background technology
The cigarette air channel is as a kind of building unit, after the cigarette duct dimension is greater than certain value, on the outer wall in cigarette air channel reinforcing rib need be set, in the practice of construction process, use for construction safety and minimizing reinforcing rib, perhaps when overfrequency control limit span with need reduce the reinforcing rib specification time, supporting in setting up in the cigarette air channel is measures necessary, interior many employing pipes or the shaped steel of supporting, promptly at first on the inwall of cigarette air channel, several stiffeners are set, the back is supported in one of the horizontally set on the stiffener that each group is oppositely arranged, support in this moment and aim at the setting of per pass horizontal reinforcement ribs, the site operation workload that supports in being to reduce also improves the precision of construction, and gusset plate is generally adopted in being connected between supporting in cross-coupled mutually or between interior support and the cigarette air channel inwall.
As Fig. 1, shown in 2, be to support the Type B joint form in the existing cigarette air channel, support in two and form " cross " chi structure, and connect by gusset plate in crossover sites, for the Type B node, the gusset plate mounting means of recommending in " steam power station cigarette wind pulverized coal channel designing technique rules " (hereinafter to be referred as rules) to use is: gusset plate is two boards body 1,2, two boards body 1,2 are welded on the both sides of support 3 in one of them respectively, support 4 in another and be divided into two sections, every section has the draw-in groove 7 that radially runs through along this end face with being connected of gusset plate on the end face, two boards body 1,2 connect and fix in draw-in groove 7 (referring to Fig. 3 and Fig. 4) respectively, at this moment, the flow direction of cigarette wind is vertical substantially in the plate face of gusset plate and the cigarette air channel, and promptly the plate face of gusset plate is met to cigarette wind; As Fig. 5, shown in 6, be the interior support C in existing cigarette air channel, D, F type joint form, this node is to be connected to form by interior support and cigarette air channel, for this kind node, as Fig. 7, shown in 8 and 9, the gusset plate mounting means of recommending in " rules " is: be provided with reinforcing rib 11 on the outer wall in cigarette air channel 10, stiffener 5 is arranged on the inwall in cigarette air channel 10, on stiffener 5, gusset plate 6 is set with perpendicular direction, in support 8 and have the draw-in groove 9 that radially runs through along this end face on the end face with being connected of gusset plate 6, gusset plate 6 is fixed in the draw-in groove 9 (referring to Figure 10), at this moment, the flow direction of cigarette wind is vertical substantially in the plate face of gusset plate and the cigarette air channel, and promptly the plate face of gusset plate is met to cigarette wind.
The defective of above gusset plate mounting means is: (1) is along with the increase of cigarette duct dimension, the interior specification that supports also can increase, and the size of gusset plate also can correspondingly strengthen, the percentage that makes gusset plate account for cigarette air channel flow area increases, because the plate face of gusset plate is met to cigarette wind, the sectional area of cigarette wind circulation reduces, and can increase the resistance in cigarette air channel, increase cigarette air channel operation energy consumption, be unfavorable for saving energy and reduce the cost; (2) the distinguished and admirable gusset plate of crossing of cigarette is easy to generate eddy current, causes the vibration in cigarette air channel, produces bigger noise; (3) under the situation that the cigarette wind flow is determined, the sectional area size that is arranged so that the cigarette air channel of existing gusset plate is bigger, has therefore increased consumptive material, has improved cost of investment; (4) be arranged with when a plurality of along cigarette wind flow direction when the interior support in cigarette air channel, need set up deflector, so can increase construction cost in order to realize the good result of organizing air-flow to distribute.
Summary of the invention
An object of the present invention is to provide and a kind ofly be easy to make, be convenient to construct, can reduce cost greatly and can reduce noise, realize the gusset plate that is used for support and connection in the cigarette air channel energy-saving and cost-reducing and that can organize air-flow to distribute preferably.
Above-mentioned purpose of the present invention is to realize by following technical scheme: a kind of gusset plate that is used for support and connection in the cigarette air channel, described gusset plate is located between interior the support or the connecting portion between interior support and the cigarette air channel inwall, it is characterized in that the plate face of described gusset plate is parallel with the cigarette wind flow direction in the cigarette air channel.
The plate face of gusset plate of the present invention is parallel with the cigarette wind flow direction in the cigarette air channel, has increased the actual internal area of the actual utilization of cigarette wind, thereby has reduced the distinguished and admirable speed of cigarette, reduces cigarette wind flow resistance, cuts down the consumption of energy, and realizes energy-conservation; Be difficult for forming eddy current cross gusset plate owing to cigarette is distinguished and admirable after, therefore reduced the vibration in cigarette air channel, the feasible noise that produces owing to vibration also reduces significantly; Because gusset plate of the present invention has the effect of deflector, therefore be arranged with when a plurality of along cigarette wind flow direction when the interior support in cigarette air channel, needn't establish deflector in addition, also can realize organizing the good result of air-flow distribution, thereby reduce construction cost; Under the situation that the cigarette wind flow is determined, during design cigarette duct cross-section size, adopt gusset plate of the present invention under the distinguished and admirable fast prerequisite of cigarette that satisfies the rules recommendation, to reduce the sectional dimension in cigarette air channel, thereby reduce the material consumption, reduce construction cost.
As one embodiment of the present invention, in being applied to, supports described gusset plate the Type B node, described gusset plate has the plate body of center mounting hole for the plate face, support in first and be divided into two sections, a wherein end of every section is separately fixed on the inwall in cigarette air channel, and every section be used for end face that gusset plate is connected on have the draw-in groove that radially runs through along this end face, two avris of described gusset plate are fixed in the corresponding draw-in groove; The radial section size that supports in the aperture of described center mounting hole and second adapts, and two ends all were fixed on the inwall in cigarette air channel after described center mounting hole was passed in the second interior support.Satisfying under the identical stressing conditions, when gusset plate of the present invention and interior support are welded to connect, the contraction in length of weld seam is welded to connect half that forms weld seam for existing gusset plate, and gusset plate of the present invention is one, therefore can reduce the workload of constructor's cutting and welding, thus accelerating construction progress.
The present invention can have following embodiment:
In being applied to, supports gusset plate of the present invention C type node, described gusset plate is two, have the draw-in groove that radially runs through along this end face on the end face that support is used for gusset plate is connected in each, one avris of each gusset plate is fixed in the corresponding draw-in groove, and another avris is connected with the inwall in cigarette air channel.
In being applied to, supports gusset plate of the present invention D type node, described gusset plate is one, support inwall in first perpendicular to the cigarette air channel that it connected, and support in first and directly link to each other with this inwall, have the draw-in groove that radially runs through along this end face on the end face that support is used for gusset plate is connected in second, one avris of described gusset plate is fixed in this draw-in groove, and another avris is connected with the inwall in cigarette air channel.
Support F type node in gusset plate of the present invention is applied to, described gusset plate is two, the first interior inwall that supports perpendicular to the cigarette air channel that it connected, and first interior the support directly links to each other with this inwall; Have the draw-in groove that radially runs through along this end face on the end face that support is respectively applied for gusset plate is connected in the support, the 3rd in second, an avris of each gusset plate is fixed in the corresponding draw-in groove, and another avris is connected with the inwall in cigarette air channel.
As a kind of improvement of the present invention, described gusset plate is connected by the inwall of stiffener with the cigarette air channel, the connecting portion of described gusset plate and stiffener is provided with gusset plate, in the angle of described gusset plate between described gusset plate and stiffener, one side of gusset plate is connected with the plate face of gusset plate, and another side is connected with stiffener.The use of gusset plate has strengthened the stressed effect of gusset plate; In order to strengthen the stressed of gusset plate, gusset plate adopts wedge shape.
As the preferred embodiment for the present invention, described gusset plate is a surface plate, and described draw-in groove is axially offered along interior support, and promptly described gusset plate becomes the part that extends axially of interior support.
The plate face of described gusset plate can also be other streamlined curved surface that is easy to connect.When cigarette is distinguished and admirable out-of-date, can further realize the effect of saving energy and reduce the cost.
Another object of the present invention provides the job practices of above-mentioned gusset plate.
Above-mentioned purpose of the present invention is to realize by following technical scheme: a kind of job practices that is used for the gusset plate of support and connection in the cigarette air channel, between supporting in described gusset plate is located at or the connecting portion between interior support and the cigarette air channel inwall, it is characterized in that the plate face of described gusset plate is arranged to be parallel to cigarette wind flow direction in the cigarette air channel.
The plate face of gusset plate of the present invention is provided with parallel with the cigarette wind flow direction in the cigarette air channel, can reduce cigarette wind flow resistance, cuts down the consumption of energy, and realizes energy-conservation; Be difficult for forming eddy current cross gusset plate owing to cigarette is distinguished and admirable after, therefore reduced the vibration in cigarette air channel, noise is reduction significantly also; Gusset plate of the present invention can realize organizing the good result of air-flow distribution; Under the situation that the cigarette wind flow is determined, during design cigarette duct cross-section size, adopt gusset plate of the present invention under the distinguished and admirable fast prerequisite of cigarette that satisfies the rules recommendation, to reduce the sectional dimension in cigarette air channel, thereby reduce the material consumption, reduce construction cost.
As one embodiment of the present invention, in being applied to, described gusset plate supports the Type B node, specifically may further comprise the steps:
(1) profile with gusset plate is processed into the shape that meets construction requirement, and opens center mounting hole in the centre of gusset plate, and the radial section size that supports in the aperture of this center mounting hole and second adapts;
(2) in described second, support the center mounting hole that passes gusset plate, again the second interior two ends of supporting are fixed on the inwall in cigarette air channel;
(3) two ends of supporting in first are fixed on the inwall in cigarette air channel after the support and connection in the described gusset plate and first, the connection of supporting in the promptly described gusset plate and first is again: the draw-in groove on the end face that every section of support is used for gusset plate is connected in first and corresponding the connecting and fixing of two avris of described gusset plate;
Supporting the position of passing of passing described center mounting hole in (4) second is connected with the peritreme of described center mounting hole.
As another embodiment of the invention, in being applied to, described gusset plate supports C, D, F type node, and specifically may further comprise the steps: (1) is processed into the shape that meets construction requirement with the profile of gusset plate; (2) with an avris of gusset plate and corresponding interior support and connection, the draw-in groove on the end face that promptly interior support is used for connecting with gusset plate and corresponding the connecting and fixing of avris of described gusset plate; (3) another avris with gusset plate is connected with the inwall in cigarette air channel.
As preferred implementation of the present invention, be supported for pipe in described, described center mounting hole is a circular hole, the aperture of described center mounting hole is than the big 1～3mm of external diameter of interior support.Support welding in being convenient to center mounting hole.
The radial section that supports in described is shaped as aerofoil profile or rhombus, and the major axis end face that supports in camber end face that supports in the described aerofoil profile or the rhombus is met the cigarette wind flow direction in the cigarette air channel.
Support can be other the streamlined structure shape beyond the pipe in of the present invention, as supporting in the aerofoil profile, when supporting the Type B node in gusset plate is applied to, the shape of the center mounting hole of gusset plate can change with the shape of interior support so that interior support can be passed through center mounting hole aptly.
Compared with prior art, the present invention has following significant effect:
(1) under the situation that the cigarette wind flow is determined, during design cigarette duct cross-section size, adopt gusset plate of the present invention under the distinguished and admirable fast prerequisite of cigarette that satisfies the rules recommendation, to reduce the size of cigarette duct cross-section, thereby reduce the material consumption, reduce construction cost.
(2) under the situation that cigarette wind flow and cigarette duct cross-section size are determined, adopt gusset plate of the present invention can increase the actual internal area of actual utilizations of cigarette wind, the distinguished and admirable speed of reduction cigarette, minimizing cigarette wind flow resistance cuts down the consumption of energy, and realizes energy-conservation.
(3) the present invention is provided with structure with existing gusset plate and compares, and gusset plate of the present invention arranges that along cigarette wind flow direction coefficient of partial resistance reduces, thereby can further reduce cigarette wind flow resistance.
(4) because the plate face of gusset plate of the present invention parallels with cigarette wind flow direction, therefore the distinguished and admirable formation eddy current that is difficult for behind gusset plate of cigarette helps reducing the vibration in cigarette air channel, and then can reduce the noise that produces owing to vibration significantly.
(5) when being arranged with along cigarette wind flow direction when supporting in a plurality of, gusset plate of the present invention is equivalent to deflector, helps the even distribution of the distinguished and admirable body of cigarette, can reduce cigarette wind flow resistance.
(6) gusset plate of the present invention is easy to make, and helps reducing constructor's workload, thus accelerating construction progress.
(7) the present invention is applicable to the cigarette air channel in the various building structure, and the scope of application is wider, and practicality is stronger.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the existing interior Type B node schematic top plan view that supports;
Fig. 2 is another existing interior Type B node schematic top plan view that supports;
Fig. 3 is the schematic top plan view that supports the Type B node in existing gusset plate is installed in;
Fig. 4 is that the A of Fig. 3 is to view;
Fig. 5 is the existing interior C of support, D type node schematic top plan view;
Fig. 6 is the existing interior F of support type node schematic top plan view;
Fig. 7 is the schematic top plan view that supports C type node in existing gusset plate is installed in;
Fig. 8 is the schematic top plan view that supports D type node in existing gusset plate is installed in;
Fig. 9 is the schematic top plan view that supports F type node in existing gusset plate is installed in;
Figure 10 is the schematic side view of existing gusset plate and interior support and connection;
Figure 11 is the schematic top plan view that supports the Type B node in gusset plate of the present invention is installed in;
Figure 12 is that the B of Figure 11 is to view;
Figure 13 is the schematic top plan view that supports C type node in gusset plate of the present invention is installed in;
Figure 14 is the schematic top plan view that supports D type node in gusset plate of the present invention is installed in;
Figure 15 is the schematic top plan view that supports F type node in gusset plate of the present invention is installed in;
Figure 16 is the schematic side view that gusset plate of the present invention is connected with interior support, cigarette air channel.
The specific embodiment
As Figure 11, shown in 12, a kind of gusset plate that is used for support and connection in the cigarette air channel of the present invention, in being applied to, supports gusset plate 12 in the present embodiment Type B node, adopt steel plate, promptly support 14 formation " cross " chi structures in the first interior support and second, and connect by gusset plate 12 in crossover sites, gusset plate 12 has the plate body of center mounting hole 15 for the plate face, the plate face of gusset plate 12 is parallel with the cigarette wind flow direction in the cigarette air channel, support in first and be divided into two sections 13a, 13b, a wherein end of every section is separately fixed on the stiffener of cigarette air channel inwall, and having the draw-in groove 16 that radially runs through along this end face on every section end face that is used for being connected with gusset plate 12, two avris of gusset plate 12 are stuck in and are welded in the corresponding draw-in groove 16; The radial section size of support 14 adapts in the aperture of center mounting hole 15 and second, supporting 14 in second is round steel pipe, center mounting hole 15 is circular holes, the aperture of center mounting hole 15 is than the big 1mm of external diameter that supports 14 in second, supports 14 in second and passes two ends, center mounting hole 15 back and all be connected with the inwall in cigarette air channel by being welded on the stiffener.
A kind of job practices of above-mentioned gusset plate is located at the connecting portion that supports in the support and second in first between 14 with gusset plate 12, specifically may further comprise the steps:
(1) profile with gusset plate 12 is processed into the shape that meets construction requirement, and opens center mounting hole 15 in the centre of gusset plate 12, and the radial section size of support 14 adapts in the aperture of this center mounting hole 15 and second;
(2) will support 14 center mounting holes 15 that pass gusset plate 12 in second, the two ends of supporting 14 in second are welded on the stiffener that is positioned at cigarette air channel inwall again, this moment, the plate face of gusset plate 12 was arranged to be parallel to cigarette wind flow direction in the cigarette air channel;
(3) two ends of supporting in first are welded on the stiffener of cigarette air channel inwall after the support and connection in the gusset plate 12 and first, i.e. the connection of supporting in the gusset plate 12 and first is again: the draw-in groove 16 on the end face that support every section 13a, 13b is used for being connected with gusset plate 12 in first is corresponding with two avris of gusset plate 12 to engage welding;
Support the 14 peritreme welding of passing position and center mounting hole 15 of passing center mounting hole 15 in (4) second.
The computational process that select for use and the existing gusset plate specification of gusset plate specification of the present invention are determined is identical, specifically draw: according to data such as cigarette wind character, flow field, cigarette duct dimension, the distinguished and admirable speed of cigarette, cigarette wind pressure and imposed loads according to following computational process, according to existing mechanics principle the stressed of gusset plate analyzed, according to the force analysis result, the Combining material mechanics principle is determined.
Below be to determine the used main formulas of the concrete specification of gusset plate:
σ＜[σ] wherein; τ＜[τ].
(table 1)
As shown in figure 13, the difference of present embodiment and embodiment 1 is: support C type node in gusset plate 12 is applied to, gusset plate 12 is two, support on 18 end faces that are used for being connected in each and have the draw-in groove 16 that radially runs through along this end face with gusset plate 12, the one avris engaging of each gusset plate 12 also is welded in the corresponding draw-in groove 16, another avris is by being welded on the stiffener 19 and be connected with the inwall in cigarette air channel 20, gusset plate 12 is a surface plate, draw-in groove 16 is axially offered along interior support 18, supports 18 the part that extends axially in promptly gusset plate 12 becomes.
The job practices of above-mentioned gusset plate specifically may further comprise the steps: (1) is processed into the shape that meets construction requirement with the profile of gusset plate 12; (2) avris of gusset plate 12 and corresponding interior support 18 are connected, the avris that supports draw-in groove 16 and gusset plate 12 on 18 end faces that are used for connecting with gusset plate 12 in promptly is corresponding to engage welding; (3) the another side face down bonding with gusset plate 12 is connected on the stiffener 19 that is positioned at cigarette air channel inwall; (4) side of gusset plate 21 and the plate face of gusset plate 12 are welded another side and stiffener 19 welding.
As shown in figure 14, the difference of present embodiment and embodiment 2 is: support D type node in gusset plate 12 is applied to, gusset plate 12 is one, support 22 inwalls in first perpendicular to the cigarette air channel 20 that it connected, and supporting 22 in first links to each other by stiffener 19 with this inwall, support on 23 end faces that are used for being connected in second and have the draw-in groove 16 that radially runs through along this end face with gusset plate 12, the engaging of one avris of gusset plate 12 is welded in this draw-in groove 16, and another avris is connected with the inwall in cigarette air channel 20 by being welded on the stiffener 19.
The job practices of above-mentioned gusset plate specifically may further comprise the steps: (1) is processed into the shape that meets construction requirement with the profile of gusset plate 12; (2) avris of gusset plate 12 and corresponding interior support 23 are connected, the avris that supports draw-in groove 16 and gusset plate 12 on 23 end faces that are used for connecting with gusset plate 12 in promptly is corresponding to engage welding; (3) the another side face down bonding with gusset plate 12 is connected on the stiffener 19 that is positioned at cigarette air channel inwall; (4) side of gusset plate 21 and the plate face of gusset plate 12 are welded another side and stiffener 19 welding.
Shown in Figure 15,16, the difference of present embodiment and embodiment 3 is: support F type node in gusset plate 12 is applied to, gusset plate 12 is two, supports 24 inwalls perpendicular to the cigarette air channel 20 that it connected in first, and supports 24 in first and link to each other by stiffener 19 with this inwall; Support the 25, the 3rd interior support 26 is respectively applied for and has the draw-in groove 16 that radially runs through along this end face on the end face that is connected with gusset plate 12 in second, the engaging of one avris of each gusset plate 12 is welded in the corresponding draw-in groove 16, and another avris is connected with the inwall in cigarette air channel 20 by being welded on the stiffener 19.
The job practices of above-mentioned gusset plate specifically may further comprise the steps: (1) is processed into the shape that meets construction requirement with the profile of gusset plate 12; (2) support 26 in the 25, the 3rd and connect supporting in an avris of each gusset plate 12 and corresponding second, the avris that promptly supports the draw-in groove 16 that supports in the 25, the 3rd on 26 end faces that are used for connecting with gusset plate 12 and gusset plate 12 in second is corresponding to engage welding; (3) the another side face down bonding with gusset plate 12 is connected on the stiffener 19 that is positioned at cigarette air channel inwall; (4) side of gusset plate 21 and the plate face of gusset plate 12 are welded another side and stiffener 19 welding.
Gusset plate is selected to use according to the stressing conditions of gusset plate.
The plate face of the gusset plate among the present invention can also adopt streamlined curved surface except adopting the plane, and when the distinguished and admirable mistake of cigarette gusset plate, this structure more helps saving energy and reduce the cost; And interior support can also be adopted other streamlined structure shape except adopting pipe, such as supporting in the aerofoil profile, also can further reduce the smoke evacuation energy consumption.
Embodiments of the present invention are not limited thereto; according to foregoing of the present invention; utilize the ordinary skill knowledge and the customary means of this area; do not breaking away under the above-mentioned fundamental technics thought of the present invention prerequisite; the present invention is according to different cigarette air channel structures; be straight flue, arc flue, shaped piece etc., the mounting means of employed gusset plate can be made modification, replacement or the change of various ways, and these modifications, replacement or change all drop within the rights protection scope of the present invention.
Claims (10)
1. between supporting in gusset plate that is used for support and connection in the cigarette air channel, described gusset plate are located at or the connecting portion between interior support and the cigarette air channel inwall, it is characterized in that: the plate face of described gusset plate is parallel with the cigarette wind flow direction in the cigarette air channel.
2. the gusset plate that is used for support and connection in the cigarette air channel according to claim 1, it is characterized in that: support the Type B node in described gusset plate is applied to, described gusset plate has the plate body of center mounting hole for the plate face, support in first and be divided into two sections, a wherein end of every section is separately fixed on the inwall in cigarette air channel, and every section be used for end face that gusset plate is connected on have the draw-in groove that radially runs through along this end face, two avris of described gusset plate are fixed in the corresponding draw-in groove; The radial section size that supports in the aperture of described center mounting hole and second adapts, and two ends all were fixed on the inwall in cigarette air channel after described center mounting hole was passed in the second interior support.
3. the gusset plate that is used for support and connection in the cigarette air channel according to claim 1, it is characterized in that: support C type node in described gusset plate is applied to, described gusset plate is two, have the draw-in groove that radially runs through along this end face on the end face that support is used for gusset plate is connected in each, one avris of each gusset plate is fixed in the corresponding draw-in groove, and another avris is connected with the inwall in cigarette air channel.
4. the gusset plate that is used for support and connection in the cigarette air channel according to claim 1, it is characterized in that: support D type node in described gusset plate is applied to, described gusset plate is one, support inwall in first perpendicular to the cigarette air channel that it connected, and support in first and directly link to each other with this inwall, have the draw-in groove that radially runs through along this end face on the end face that support is used for gusset plate is connected in second, one avris of described gusset plate is fixed in this draw-in groove, and another avris is connected with the inwall in cigarette air channel.
5. the gusset plate that is used for support and connection in the cigarette air channel according to claim 1, it is characterized in that: support F type node in described gusset plate is applied to, described gusset plate is two, the first interior inwall that supports perpendicular to the cigarette air channel that it connected, and support directly links to each other with this inwall in first; Have the draw-in groove that radially runs through along this end face on the end face that support is respectively applied for gusset plate is connected in the support, the 3rd in second, an avris of each gusset plate is fixed in the corresponding draw-in groove, and another avris is connected with the inwall in cigarette air channel.
6. according to claim 3 or the 4 or 5 described gusset plates that are used for support and connection in the cigarette air channel, it is characterized in that: described gusset plate is connected by the inwall of stiffener with the cigarette air channel, the connecting portion of described gusset plate and stiffener is provided with gusset plate, in the angle of described gusset plate between described gusset plate and stiffener, one side of gusset plate is connected with the plate face of gusset plate, and another side is connected with stiffener.
7. the gusset plate that is used for support and connection in the cigarette air channel according to claim 1 is characterized in that: the plate face of described gusset plate is the plane or is streamlined curved surface.
8. job practices that is used for the gusset plate of support and connection in the cigarette air channel as claimed in claim 1, between supporting in described gusset plate is located at or the connecting portion between interior support and the cigarette air channel inwall, it is characterized in that: the plate face of described gusset plate is arranged to be parallel to cigarette wind flow direction in the cigarette air channel.
9. support the Type B node in the job practices that is used for the gusset plate of support and connection in the cigarette air channel according to claim 8, described gusset plate are applied to, specifically may further comprise the steps:
(1) profile with gusset plate is processed into the shape that meets construction requirement, and opens center mounting hole in the centre of gusset plate, and the radial section size that supports in the aperture of this center mounting hole and second adapts;
(2) in described second, support the center mounting hole that passes gusset plate, again the second interior two ends of supporting are fixed on the inwall in cigarette air channel;
(3) two ends of supporting in first are fixed on the inwall in cigarette air channel after the support and connection in the described gusset plate and first, the connection of supporting in the promptly described gusset plate and first is again: the draw-in groove on the end face that every section of support is used for gusset plate is connected in first and corresponding the connecting and fixing of two avris of described gusset plate;
Supporting the position of passing of passing described center mounting hole in (4) second is connected with the peritreme of described center mounting hole.
10. support C, D, F type node in the job practices that is used for the gusset plate of support and connection in the cigarette air channel according to claim 8, described gusset plate are applied to, specifically may further comprise the steps: (1) is processed into the shape that meets construction requirement with the profile of gusset plate; (2) with an avris of gusset plate and corresponding interior support and connection, the draw-in groove on the end face that promptly interior support is used for connecting with gusset plate and corresponding the connecting and fixing of avris of described gusset plate; (3) another avris with gusset plate is connected with the inwall in cigarette air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010278567 CN101942898B (en) | 2010-09-08 | 2010-09-08 | Gusset plate for internal support connection of flue and air duct and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010278567 CN101942898B (en) | 2010-09-08 | 2010-09-08 | Gusset plate for internal support connection of flue and air duct and construction method thereof |
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| Publication Number | Publication Date |
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| CN101942898A true CN101942898A (en) | 2011-01-12 |
| CN101942898B CN101942898B (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010278567 Active CN101942898B (en) | 2010-09-08 | 2010-09-08 | Gusset plate for internal support connection of flue and air duct and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982181A (en) * | 2021-10-08 | 2022-01-28 | 江阴市维沃保温材料有限公司 | Double-sided color steel inorganic silicon crystal smoke-preventing and exhaust air pipe plate and processing technology thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603363A (en) * | 2009-07-02 | 2009-12-16 | 孙叶柱 | The interior support and the job practices thereof in a kind of cigarette air channel |
| CN201843315U (en) * | 2010-09-08 | 2011-05-25 | 华能国际电力股份有限公司 | Gusset plate for internal support connection of flue gas duct |
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2010
- 2010-09-08 CN CN 201010278567 patent/CN101942898B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603363A (en) * | 2009-07-02 | 2009-12-16 | 孙叶柱 | The interior support and the job practices thereof in a kind of cigarette air channel |
| CN201843315U (en) * | 2010-09-08 | 2011-05-25 | 华能国际电力股份有限公司 | Gusset plate for internal support connection of flue gas duct |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982181A (en) * | 2021-10-08 | 2022-01-28 | 江阴市维沃保温材料有限公司 | Double-sided color steel inorganic silicon crystal smoke-preventing and exhaust air pipe plate and processing technology thereof |
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| CN101942898B (en) | 2013-05-01 |
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