CN201875338U - Pipeline structure - Google Patents
Pipeline structure Download PDFInfo
- Publication number
- CN201875338U CN201875338U CN2010206536804U CN201020653680U CN201875338U CN 201875338 U CN201875338 U CN 201875338U CN 2010206536804 U CN2010206536804 U CN 2010206536804U CN 201020653680 U CN201020653680 U CN 201020653680U CN 201875338 U CN201875338 U CN 201875338U
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- China
- Prior art keywords
- elbow
- straight pipe
- straight tube
- pipeline
- wall thickness
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a pipeline structure of which the elbow part resists abrasion much more and the whole pipeline has a prolonged service life, which comprises at least one straight pipe and an elbow connected with one end of the straight pipe. The straight pipe and the elbow are made of the same materials; the inner diameter of the elbow is greater than the outer diameter of the straight pipe; the ratio of the inner diameter of the elbow to the inner diameter of the straight pipe is (1.1-2):1; the ratio of the wall thickness of the elbow to the wall thickness of the straight pipe is (1.1-1.5):1; the elbow and the straight pipe can be connected through a blind welded at the end of the elbow and also can be connected through a flange plate and a seal pad. Compared with the straight pipe part, the specification of the elbow of the pipeline is increased, and thus the flow area is increased, the medium impact velocity at the elbow part of the pipeline is reduced, and the service life of the pipeline is prolonged; the elbow can be manufactured by adopting various modes, and the angular dimension of the elbow is decided by use occasions. The utility model has more convenience in design, installation and replacement, low price and low use cost and is especially suitable for gas transportation, powder feeding, deslagging and ash transportation on compressed air with high dust capacity, gas and the like.
Description
Technical field
The utility model relates to the pipeline configuration that use in a kind of energy source and power field.
Background technique
At present, line transportation has spreaded all over industries such as metallurgy, electric power, coal, oil, chemical industry, building materials, machinery, and is developing at high speed.As long as particulate matter is arranged in the fed sheet of a media, just there are the wearing and tearing of pipeline.When carrying the big material of grindability in the pipeline such as big pressurized air, the coal gas of dust loading, all there are a problem that pipe wear is fast in lime-ash, coal dust, tantalite power, mine tailing, cement etc., and particularly the bend part wearing and tearing are faster.
For prolongation is used for life-span of the pipeline of delivery of particulate material, develop products such as abrasion-proof pipe, wear-resistant bend.The elbow made from high-abrasive materials such as wear-resistant ceramics have resistance to wear, corrosion-resistant, high temperature resistant, performances such as high hardness, high strength, but price is very expensive, applies comparatively difficulty widely.
According to relevant research, the granularity of particulate matter, striking velocity, angle of attack are the important factor in order that this class is used for the pipe wear of delivery of particulate material, and following relation is arranged: W ∝ V
N1D
N2P
dF,
In the formula: W---the pipe wear degree,
∝ represents " positive correlation ",
V---particulate matter striking velocity,
D---particulate size (μ m),
p
d---particle concentration (mg/m
3),
F---angle of shock correction factor,
N1---velocity coefficient is generally 2.5,
N2---fineness coefficient is generally 3,
This shows that granularity, striking velocity, the angle of attack that reduces particulate matter is the effective way that reduces pipe wear.Pipeline configuration of the prior art, in its same section pipeline, only be that wiring needs and when not having reducing to need, elbow part generally adopts straight tube fire bending bending and gets, the specification of its channel bend is consistent with the straight pipeline specification, has the bigger angle of shock and striking velocity, and the elbow wearing and tearing are very fast, cause shorten the working life of whole pipe-line system, and comparatively difficulty is changed also in the maintenance of elbow.
The model utility content
In order to overcome the short deficiency of existing pipeline configuration whole service life, it is more wear-resistant that technical problem to be solved in the utility model provides a kind of elbow, the pipeline configuration of whole pipe prolongation in working life.
The technological scheme that its technical problem that solves the utility model adopts is: pipeline configuration, comprise straight-run of pipe and the elbow that is connected this section straight tube one end at least, straight tube is identical with the elbow material, the internal diameter of described elbow is greater than the external diameter of straight tube, the internal diameter of elbow is 1.1～2: 1 with the ratio of the internal diameter of straight tube, and the wall thickness of elbow is 1.1～1.5: 1 with the ratio of the wall thickness of straight tube.
Link to each other with the straight tube end of an end of described elbow is welded with closure plate, offers tapped hole on the closure plate, and straight tube is screwed onto in this tapped hole.
Described straight tube is connected with sealing gasket by flange plate with elbow.
The beneficial effects of the utility model are: compare straight-tube portion, the specification of channel bend increases, increased circulation area, reduce the medium striking velocity at channel bend place, prolonged the working life of pipeline, elbow can adopt modes such as fire bending, welding, casting to make, the angular dimension of elbow is decided according to use occasion, design, install, change more convenient, cheap, user cost is low, uses when being particularly suitable for gas transmissions such as the big pressurized air of Dust Capacity, coal gas, powder feeding, slagging-off, defeated ash.
Description of drawings
Fig. 1 is existing channel bend structural drawing.
Fig. 2 is the structural representation of a kind of pipeline of the present utility model and elbow thereof.
Fig. 3 is the structural representation of another kind of pipeline of the utility model and elbow thereof.
Fig. 4 is the structural representation of another pipeline of the utility model and elbow thereof.
Be labeled as 1-straight tube, 2-elbow, 3-closure plate, 4-tapped hole, 5-flange plate, 6-sealing gasket, 7-flange plate, the angle of β-elbow, the internal diameter of D1-straight tube, the internal diameter of D2-elbow, the wall thickness of δ 1-straight tube, the wall thickness of δ 2-elbow among the figure.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1, the elbow of existing pipeline, its general employing straight tube fire bending curves type, and its outside wall thickness is because bending is slightly less than the straight tube wall thickness, even be used to connect the elbow that turns to, its wall thickness also is identical with the wall thickness of straight tube, and its internal diameter equates that with the straight tube internal diameter when being used for the conveying of energy source and power field gas that particularly dust loading is big or particulate matter, the elbow wearing and tearing are bigger, the life-span of whole pipe is shorter, and is inconvenient to change processing.
As Fig. 2, Fig. 3 and shown in Figure 4, pipeline configuration of the present utility model comprises straight-run of pipe 1 and the elbow 2 that is connected this section straight tube 1 one ends at least, straight tube 1 is identical with elbow 2 materials, the internal diameter of described elbow 2 is greater than the external diameter of coupled straight tube 1, for reaching the suitable purpose of wear rate of elbow 2 and straight tube 1, to prolong the working life of whole pipe structure, the internal diameter that requires described elbow 2 is 1.1～2: 1 with the ratio of the internal diameter of straight tube 1, the wall thickness 1.1～1.5: 1 of the wall thickness of described elbow 2 and straight tube 1.Concrete dimension scale should be considered the conveying material concrete condition, selects according to the principle that elbow 2 is suitable with the wear rate of straight tube 1.
As shown in Figure 2, for the elbow part that guarantee to strengthen, thickens reliably is connected with straight tube, can be welded with closure plate 3 in link to each other with straight tube 1 end of an end of described elbow 2, offer tapped hole 4 on the closure plate 3, straight tube 1 is screwed onto in this tapped hole 4.In addition, as shown in Figure 2, described straight tube 1 also can be connected with sealing gasket 6 by flange plate 5,7 with elbow 2.
Embodiment:
According to the specification of straight tube 1, the pipeline of choosing a big 1-2 specification is made into elbow 2.Elbow 2 usefulness fire bendings or welding manner are made, and be selected as the case may be.Figure 2 shows that the elbow of the curved processing of fire bending, Fig. 3, Figure 4 shows that the elbow of welding processing.Choose two closure plates 3, process on closure plate 3 and straight tube 1 corresponding tapped hole 4, closure plate 3 is welded on elbow 2 two ends, and straight tube 1 scyewed joint is got final product on the closure plate 3 of elbow 2 ends.
Also can adopt the Placement of welding between closure plate 3 and the straight tube 1, on closure plate 3, leave and the suitable circular hole of straight tube 1 external diameter, directly straight tube 1 is welded on the closure plate 3 and also be fine.
Also available flange connects: process and straight tube 1 corresponding flange plate 5, with elbow 2 corresponding flange plate 7, flange 5,7 is welded with straight tube 1, elbow 2 separately, add sealing gasket 6 again, get final product with Bolt Connection.
The angle beta of elbow 2 is decided according to the as installed position, and under the situation of mounting point permission, angle beta is more little, and it is slow more to wear and tear, and working life is long more.
Claims (3)
1. pipeline configuration, comprise straight-run of pipe (1) at least and be connected the elbow (2) of this section straight tube (1) one end, straight tube (1) is identical with elbow (2) material, the internal diameter of elbow (2) is greater than the external diameter of straight tube (1), it is characterized in that: the ratio of the internal diameter of the internal diameter of described elbow (2) and straight tube (1) is 1.1～2: 1, and the ratio of the wall thickness of the wall thickness of elbow (2) and straight tube (1) is 1.1～1.5: 1.
2. pipeline configuration as claimed in claim 1 is characterized in that: link to each other with straight tube (1) end of an end of described elbow (2) is welded with closure plate (3), offers tapped hole (4) on the closure plate (3), and straight tube (1) is screwed onto in this tapped hole (4).
3. pipeline configuration as claimed in claim 1 is characterized in that: described straight tube (1) is connected with sealing gasket (6) by flange plate (5,7) with elbow (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206536804U CN201875338U (en) | 2010-12-11 | 2010-12-11 | Pipeline structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206536804U CN201875338U (en) | 2010-12-11 | 2010-12-11 | Pipeline structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201875338U true CN201875338U (en) | 2011-06-22 |
Family
ID=44163255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206536804U Expired - Fee Related CN201875338U (en) | 2010-12-11 | 2010-12-11 | Pipeline structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201875338U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277620A (en) * | 2013-05-25 | 2013-09-04 | 吴军红 | Elbow connecting pipe |
| CN107763332A (en) * | 2017-09-27 | 2018-03-06 | 袁月卫 | A kind of interior conduit production and installation method |
-
2010
- 2010-12-11 CN CN2010206536804U patent/CN201875338U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277620A (en) * | 2013-05-25 | 2013-09-04 | 吴军红 | Elbow connecting pipe |
| CN107763332A (en) * | 2017-09-27 | 2018-03-06 | 袁月卫 | A kind of interior conduit production and installation method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20161211 |