CN208222548U - A kind of industrial chimney - Google Patents
A kind of industrial chimney Download PDFInfo
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- CN208222548U CN208222548U CN201820718993.XU CN201820718993U CN208222548U CN 208222548 U CN208222548 U CN 208222548U CN 201820718993 U CN201820718993 U CN 201820718993U CN 208222548 U CN208222548 U CN 208222548U
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- inner cylinder
- cylinder
- outer cylinder
- industrial chimney
- chimney
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Abstract
The utility model provides a kind of industrial chimney comprising: inner cylinder is erect on the ground;The outside of inner cylinder is erect on the ground and be set in outer cylinder, and the height of outer cylinder is lower than the height of inner cylinder, and the material of inner barrel and outer barrel is steel or glass reinforced plastic;Multiple bearing assemblies, set on being successively spaced apart between inner cylinder and outer cylinder and along vertical direction, for inner cylinder to be supported to outer cylinder.The occupied area of the industrial chimney of the utility model is smaller, and building course is simple, and construction period is shorter.
Description
Technical field
The utility model relates to industrial gas emission device field more particularly to a kind of industrial chimneys.
Background technique
Industrial chimney is commonly used in the ground such as steel plant and thermal power plant, the flue gas for generating fuel combustion
Pass through the device being discharged into atmosphere.When the height for the chimney barrel that industrial chimney is used to discharge flue gas is higher, generally need
It is reinforced, in the prior art there are mainly two types of the structures for being reinforced to chimney barrel: one is be connected to
The drag-line of tilting between chimney barrel and ground, there are also one is the support towers being enclosed in outside chimney barrel.But
The above two structure for being reinforced to chimney barrel all haves the defects that certain, and the drag-line that tilting is arranged makes industry
Chimney needs biggish occupied area, and the height of chimney is higher, and required occupied area is bigger, while drag-line and ground
Other buildings and equipment can have reciprocal influence;And build support tower although and can be reduced the occupied area of industrial chimney, but
The build process of support tower is complex, and construction period is longer.
Utility model content
In order to solve the problems, such as above-mentioned all or part, the purpose of the utility model is to provide a kind of industrial chimneys, can
The occupied area of industrial chimney is reduced, and building course is simple.
The utility model provides a kind of industrial chimney comprising: inner cylinder is erect on the ground;Outer cylinder is erect on the ground
And it is set in the outside of the inner cylinder, the height of the outer cylinder is lower than the height of the inner cylinder, the material of the inner barrel and outer barrel
For steel or glass reinforced plastic;Multiple bearing assemblies, set on being successively spaced between the inner cylinder and the outer cylinder and along vertical direction
It opens, for the inner cylinder to be supported to the outer cylinder.
Preferably, the inner cylinder is divided into multistage by multiple bearing assemblies, and each described section of slenderness ratio is respectively less than
80。
Preferably, which further includes the chimney raft being buried under the ground, and the inner barrel and outer barrel is set to described
On chimney raft.
Preferably, the bearing assembly includes equally circumferentially spaced multiple struts along the inner cylinder, the branch
One end of bar is connected with the inner cylinder, and its other end is connected with the outer cylinder.
Preferably, the bearing assembly further includes that first be connected between the strut and the outer wall of the inner cylinder is fixed
Plate, and the second fixed plate being connected between the strut and the inner wall of the outer cylinder, first fixed plate and described
Two fixed plates are rendered as flat type or " L " type.
Preferably, the outer diameter of the inner cylinder is 1~3m, and the spacing distance between the outer cylinder and inner cylinder is 0.5~2m.
Preferably, the height of the inner cylinder is 15~60m, and the difference in height between the outer cylinder and inner cylinder is 1.5~3m.
Preferably, the ratio of the natural vibration period of the inner cylinder and the natural vibration period of the outer cylinder are more than or equal to 1.2.
Preferably, it is equipped with observation platform on the lateral wall of the outer cylinder and connects climbing for the observation platform and ground
Ladder, the ladder are coiled in a spiral manner on the outer wall of the outer cylinder.
Industrial chimney according to the present utility model, for inner cylinder for discharging flue gas, outer cylinder and bearing assembly prop up inner cylinder
It holds, chimney barrel (i.e. the inner cylinder of the utility model) identical for height, be arranged outer tube and the outer of inner cylinder can be supported
The occupied area of cylinder obviously reduces much than the occupied area of drag-line is arranged, and the setting of outer cylinder is not easily susceptible to other buildings of factory
It interferes.And for building support tower, the industrial chimney of the utility model reduces overhead welding operation, building course
It is more simple, convenient and efficient, substantially reduce construction period.In addition, outer cylinder mainly undertakes transverse load and plays to inner cylinder
Protective effect makes the uniform force of various pieces on inner/outer tube along the bearing assembly that the axially spaced-apart of inner cylinder is arranged, to the greatest extent may be used
It is avoided that inner/outer tube weakens its bearing capacity because local buckling occurs, so that inner cylinder is preferably reinforced.In addition, interior
Cylinder height be higher than outer cylinder height, setting in this way, can effectively avoid smoke evacuation when air flowing and inner/outer tube it
Between gap in the flowing of flue gas interfere with each other, avoid the formation of turbulent flow, be conducive to inner cylinder and more effectively discharge fume.In addition, this is practical
The structure of novel industrial chimney is simple, and it is convenient to build, convenient for widely promoting and applying.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the structural schematic diagram of the industrial chimney of the embodiments of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structural schematic diagram of the bearing assembly of the industrial chimney of the embodiments of the present invention.
Description of symbols: 1, inner cylinder;2, outer cylinder;3, bearing assembly;4, observation platform;5, ladder;31, support rod;32,
First fixed plate;33, the second fixed plate.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
Fig. 1 is the structural schematic diagram of the industrial chimney of the embodiments of the present invention, and Fig. 2 is the top view of Fig. 1, and Fig. 3 is
The structural schematic diagram of the bearing assembly of the industrial chimney of the embodiments of the present invention.As shown in Figure 1-3, the industrial chimney includes
Inner cylinder 1, outer cylinder 2 and multiple bearing assemblies 3.Wherein, inner cylinder 1 and outer cylinder 2 are erect on the ground, and outer cylinder 2 is set in inner cylinder 1
Outside.The height of outer cylinder 2 is lower than the height of inner cylinder 1.Multiple bearing assemblies 3 are set to inside between cylinder 1 and outer cylinder 2, and edge
Vertical direction be successively spaced apart, with for inner cylinder 1 to be supported to outer cylinder 2.Bearing assembly 3 is to be connected to inner cylinder 1 and outer cylinder 2
Between rigid member so that inner cylinder 1 is supported by outer cylinder 2, and bearing assembly 3 can carry out between inner cylinder 1 and outer cylinder 2
Reliable power transmitting.The material of inner cylinder 1 is steel or glass reinforced plastic, and the material of outer cylinder 2 is also steel or glass reinforced plastic, under normal circumstances inner cylinder
1 selected with outer cylinder 2 as material, so that outer cylinder 2 can carry out inner cylinder 1 more preferably more effectively to support.
Industrial chimney according to the present utility model, inner cylinder 1 for discharge flue gas, outer cylinder 2 and bearing assembly 3 to inner cylinder 1 into
Row bearing, chimney barrel (i.e. the inner cylinder 1 of the utility model) identical for height are set in outside inner cylinder 1 and can support interior
The occupied area of the outer cylinder 2 of cylinder 1 obviously reduces much than the occupied area of drag-line is arranged, and the setting of outer cylinder 2 is not easily susceptible to factory
The obstruction of other buildings.And for building support tower, the industrial chimney of the utility model reduces overhead welding behaviour
Make, building course is more simple, convenient and efficient, substantially reduces construction period.In addition, outer cylinder 2 mainly undertakes transverse load
And play a protective role to inner cylinder 1, make 1 various pieces of inner/outer tube along the bearing assembly 3 that the axially spaced-apart of inner cylinder 1 is arranged
Uniform force avoids inner/outer tube from weakening its bearing capacity because local buckling occurs, so that inner cylinder 1 obtains more preferably as far as possible
Ground reinforces.In addition, the height of inner cylinder 1 is higher than the height of outer cylinder 2, setting in this way, air when can effectively avoid discharging fume
Flowing and inner/outer tube between gap in the flowing of flue gas interfere with each other, avoid the formation of turbulent flow, be conducive to inner cylinder 1 more effectively
Smoke evacuation.
In addition, the industrial chimney of the utility model can also be changed on the chimney barrel of the original self-supporting chimney of factory
It builds.The height of many early stage construction chimney barrels are not high, but with the development of urban construction, also will appear around factory more next
More skyscrapers, and there has also been new standards for the national height for the chimney barrel around skyscraper, so that very much
Chimney barrel requires to carry out increasing reconstruction, and can largely the structure of chimney barrel be impacted by increasing reconstruction,
Directly increase meeting so that the stability and bearing capacity of chimney barrel do not reach requirement, therefore also need to reinforce it.It will be former
Some chimney barrels increase after reconstruction be the utility model industrial chimney, can largely reduce increase and reinforce at
This.Concrete operations are as follows: increase by original chimney barrel, make it as the inner cylinder 1 of smoke evacuation, further pass through construction outer cylinder
2 and bearing assembly 3 chimney barrel after increasing reinforced.The industrial chimney of the application can be directly by original chimney
It is reconstructed on the basis of cylinder, during reconstruction, since the outer cylinder 2 and bearing assembly 3 of reinforcing are little with respect to occupied area,
It is not easily susceptible to the obstruction of the equipment and building of surrounding, and without doing large area excavation around original chimney barrel, without carrying out
A large amount of overhead welding operation, operation side is small, construction period is shorter, has preferable economic benefit.
Preferably, inner cylinder 1 is divided into multistage by multiple bearing assemblies 3, and each section of slenderness ratio is respectively less than 80.Inventor's warp
Found after in depth experiment and research, after bearing assembly 3 is set, each section of slenderness ratio can difference so that respectively
A section of Euler's critical force is different, different so as to cause 1 each section of inner cylinder of stability.Each section of slenderness ratio is all in accordance with its length
(the distance between namely two neighboring bearing assembly 3) is spent to be calculated, by limiting each section of slenderness ratio, i.e., into one
Step defines the position of each bearing assembly 3.When carrying out Stability Checking to inner cylinder 1, every section of inner cylinder 1 is all carried out respectively
Checking computations, so that the stability on 1 each section of inner cylinder can be guaranteed, to avoid industrial chimney that unstability or deformation occurs as far as possible
The problem of.
The industrial chimney further includes the chimney raft 6 being buried under the ground, and inner cylinder 1 and outer cylinder 2 are set on chimney raft 6.
Inner cylinder 1 and 2 concentric stack basis 6 of outer cylinder no longer need to newly-built chimney base when by adding outer cylinder 2 to reinforce to chimney
Plinth reduces construction cost.
Bearing assembly 3 includes equally circumferentially spaced multiple struts 31 along inner cylinder 1, one end of strut 31 and inner cylinder
1 is connected, and its other end is connected with outer cylinder 2.Each strut 31 can be arranged along radially extending for inner cylinder 1.Each
Bearing assembly 3 preferably comprises 4 struts 31, while guaranteeing support effects, can may be decreased cost of material unexpectedly.Certainly,
Those skilled in the art can also select the quantity of strut 31 according to specific construction demand and relevant professional standard.By setting
Strut 31 is set come to making outer cylinder 2 form effective support to inner cylinder 1, the structure of strut 31 is simple, it is low in cost, and convenient for peace
Dress.In the present embodiment, bearing assembly 3 further includes the first fixed plate 32 being connected between strut 31 and the outer wall of inner cylinder 1, with
And it is connected to the second fixed plate 33 between strut 31 and the inner wall of outer cylinder 2, the first fixed plate 32 and the second fixed plate 33
To be rendered as flat type or " L " type.The company of the connection of strut 31 and the first fixed plate 32 and strut 31 and the second fixed plate 33
It connects, either being fixedly connected may be a detachable connection, is preferably fixedly connected.And in order to during the installation process convenient for behaviour
Make, reduce overhead welding, can consolidated at the both ends of strut 31 with the first fixed plate 32 and second respectively by permanent bolt
Fixed board 33 connects.Connection and second fixed plate 33 and the connection of outer cylinder 2 of first fixed plate 32 with inner cylinder are both preferably
It is fixedly connected.
In the present embodiment, the outer diameter of inner cylinder 1 is 1~3m, and in order to further ensure outer cylinder 2 imitates the bearing of inner cylinder 1
Fruit, the spacing distance a between outer cylinder 2 and inner cylinder 1 are (as shown in Figure 3) for 0.5~2m.Inner cylinder 1 is preferably coaxially set with outer cylinder 2
It sets.Further, when the outer diameter of inner cylinder 1 is more than or equal to 1m and is less than 2m, the spacing distance a between outer cylinder 2 and inner cylinder 1 is greater than
Equal to 0.5m and it is less than 1m;Spacing distance when the outer diameter of inner cylinder 1 is more than or equal to 2m and is less than 3m, between outer cylinder 2 and inner cylinder 1
A is more than or equal to 1m and is less than 1.5m;When the outer diameter of inner cylinder 1 be more than or equal to 1m and be less than 2m when, between outer cylinder 2 and inner cylinder 1 between
Gauge is more than or equal to 1.5m from a and is less than 2m.Inventor passes through multiple experiment and test, and inventor is respectively to inner cylinder 1, strut
31 and outer cylinder 2 carried out force analysis, and comprehensively considered the vacant lot area in most of factories around chimney and strut 31
With the factors such as the cost of material of outer cylinder 2 and obtain above-mentioned conclusion, setting in this way enables to outer cylinder 2 and bearing
Component is playing better consolidation effect to inner cylinder 1, while reducing the occupied area of industrial chimney.
The height of inner cylinder 1 is 15~60m, and the difference in height h between outer cylinder 2 and inner cylinder 1 is 1.5~3m.Outer cylinder 2 and inner cylinder 1
Between difference in height h cross conference and make outer cylinder 2 that can not carry out secure support to the upper end of inner cylinder 1, difference in height h is too small will affect it is interior
The smoke discharging effect of cylinder 1.Therefore, inventor obtains after the analysis to flow of flue gas situation, when the height of inner cylinder 1 is more than or equal to
15m and when being less than 30m, difference in height h between outer cylinder 2 and inner cylinder 1 is to be less than 2m more than or equal to 1.5;When the height of inner cylinder 1 is big
When being less than 60m equal to 30m, the difference in height h between outer cylinder 2 and inner cylinder 1 is to be less than 3m more than or equal to 2m.In addition, in order to
Avoid due to inner cylinder 1 and outer cylinder 2 occur and resonate inner cylinder 1 or outer cylinder 2 being damaged, the natural vibration period of inner cylinder 1 and outer cylinder 2 from
The ratio in vibration period is more than or equal to 1.2.
With the development of environmental protection cause, industrial chimney should not only be merely a fume extractor, and should be used as an energy
Enough monitor air pollution situation equipment, therefore, on the lateral wall of outer cylinder 2 be equipped with observation platform 4 and connection observation platform 4 and
The ladder 5 on ground.Observation platform 4 can in the flue gas to detect discharge various harmful substances content, whether to judge it
It can be up to state standards.And in order to guarantee safety, ladder 5 is set as on the outer wall for being coiled in outer cylinder 2 in a spiral manner.If
It is to be reconstructed to the chimney barrel of original industrial chimney of early stage, since inner cylinder 1 is on the basis of original chimney barrel
Increase reconstruction, do not consider newly-built or reconstruction observation platform 4 and ladder 5 when structure designs, if necessary to create or change
Observation platform 4 and ladder 5 are built, inner cylinder 1 may be impacted.And observation platform 4 and ladder 5 are all arranged onto outer cylinder 2,
The setting of observation platform 4 and ladder 5 will not the structure directly to inner cylinder 1 impact, those skilled in the art only need to be newly-built
The influence of observation platform 4 and ladder 5 to the structure of outer cylinder 2 is comprehensively considered when outer cylinder 2, it will be able to guarantee outer cylinder 2 and entire industry
The structural strength of chimney.But if it is not provided with the outer cylinder 2 reinforced and bearing assembly 3 as in the state of the art or passes through
Drag-line reinforces chimney barrel, and the structure of observation platform and ladder can be just supported without other, can only be by observation platform
It is built on chimney barrel with ladder, is likely to cause the destructurized of original chimney barrel in this way.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that the instruction such as term "vertical", " circumferential direction ", " radial direction " "inner", "outside"
Orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.
In this application unless specifically defined or limited otherwise, the terms such as term " connected ", " connection " should do broad sense reason
Solution, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connection, be also possible to electricity
Connection;It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In this application, term " first ", " second " etc. are used for description purposes only, and are not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The meaning of " multiple " in the description of the present invention,
It is two or more, unless otherwise specifically defined.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Especially, as long as structural conflict is not present, items technical characteristic mentioned in the various embodiments can combine in any way
Get up.The utility model is not limited to specific embodiment disclosed herein, but including falling within the scope of the appended claims
All technical solutions.
Claims (9)
1. a kind of industrial chimney characterized by comprising
Inner cylinder is erect on the ground;
The outside of the inner cylinder is erect on the ground and be set in outer cylinder, and the height of the outer cylinder is lower than the height of the inner cylinder,
The material of the inner barrel and outer barrel is steel or glass reinforced plastic;
Multiple bearing assemblies, set on being successively spaced apart between the inner cylinder and the outer cylinder and along vertical direction, to be used for
The inner cylinder is supported on the outer cylinder.
2. industrial chimney according to claim 1, which is characterized in that the inner cylinder is divided by multiple bearing assemblies
Multistage, each described section of slenderness ratio are respectively less than 80.
3. industrial chimney according to claim 1, which is characterized in that it further include the chimney raft being buried under the ground, it is described
Inner barrel and outer barrel is set on the chimney raft.
4. industrial chimney according to claim 1, which is characterized in that the bearing assembly includes the week along the inner cylinder
To the multiple struts being arranged at equal intervals, one end of the strut is connected with the inner cylinder, and its other end is connected with the outer cylinder.
5. industrial chimney according to claim 4, which is characterized in that the bearing assembly further includes being connected to the strut
The first fixed plate between the outer wall of the inner cylinder, and be connected between the strut and the inner wall of the outer cylinder second
Fixed plate, first fixed plate and second fixed plate are rendered as flat type or " L " type.
6. industrial chimney according to any one of claims 1-5, which is characterized in that the outer diameter of the inner cylinder is 1~3m,
Spacing distance between the outer cylinder and inner cylinder is 0.5~2m.
7. industrial chimney according to any one of claims 1-5, which is characterized in that the height of the inner cylinder be 15~
60m, the difference in height between the outer cylinder and inner cylinder are 1.5~3m.
8. industrial chimney according to any one of claims 1-5, which is characterized in that the natural vibration period of the inner cylinder and institute
The ratio for stating the natural vibration period of outer cylinder is more than or equal to 1.2.
9. industrial chimney according to any one of claims 1-5, which is characterized in that set on the lateral wall of the outer cylinder
There is the ladder of observation platform and the connection observation platform and ground, the ladder is coiled in the outer of the outer cylinder in a spiral manner
On wall.
Priority Applications (1)
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CN201820718993.XU CN208222548U (en) | 2018-05-15 | 2018-05-15 | A kind of industrial chimney |
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CN201820718993.XU CN208222548U (en) | 2018-05-15 | 2018-05-15 | A kind of industrial chimney |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109653525A (en) * | 2018-12-18 | 2019-04-19 | 宁波市镇海怡福莱文化创意有限公司 | The recycling of discarded chimney |
CN110280081A (en) * | 2019-07-28 | 2019-09-27 | 东营市延旭环保科技有限公司 | A kind of exhaust tube tail gas filter |
-
2018
- 2018-05-15 CN CN201820718993.XU patent/CN208222548U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109653525A (en) * | 2018-12-18 | 2019-04-19 | 宁波市镇海怡福莱文化创意有限公司 | The recycling of discarded chimney |
CN110280081A (en) * | 2019-07-28 | 2019-09-27 | 东营市延旭环保科技有限公司 | A kind of exhaust tube tail gas filter |
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