CN202674678U - Displacement compensator for feeding chute of boiler - Google Patents
Displacement compensator for feeding chute of boiler Download PDFInfo
- Publication number
- CN202674678U CN202674678U CN 201220344869 CN201220344869U CN202674678U CN 202674678 U CN202674678 U CN 202674678U CN 201220344869 CN201220344869 CN 201220344869 CN 201220344869 U CN201220344869 U CN 201220344869U CN 202674678 U CN202674678 U CN 202674678U
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- CN
- China
- Prior art keywords
- boiler
- pipe
- bellows
- flange
- compensator
- Prior art date
- 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
Links
- 238000006073 displacement reaction Methods 0.000 title abstract description 15
- 238000003466 welding Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model provides a boiler unloading chute displacement compensator comprises flange, welt, end pipe, bellows, inner tube, pull rod fixed plate and stop nut. The compensator is externally provided with a corrugated pipe, the corrugated pipe is welded on the flange through an end pipe, an inner pipe is arranged in the corrugated pipe, and a lining plate is welded on the inner pipe; one end of the inner pipe is welded with the flange, and the other end of the inner pipe is not fixed; the flanges at the two ends of the corrugated pipe are provided with pull rods which are fixed by pull rod fixing plates, and the two ends of the corrugated pipe are provided with limit nuts. The compensator has the advantages of reasonable structure, simple and convenient manufacture, good application effect and the like. After the compensator is arranged in the middle of the feeding chute of the boiler, the requirements of axial displacement of 70mm and radial displacement of 150mm can be met. Meanwhile, the tearing at the joint of the chute and the boiler can be effectively avoided, the boiler water leakage is reduced, the chute material leakage phenomenon is prevented, the safety production is ensured, and considerable economic benefits are obtained for enterprises.
Description
Technical field
The utility model belongs to the boiler machinery, is specifically related to a kind of compensator that the boiler feeding chute axially reaches radial displacement that reduces.
Background technique
Two feeding chutes being arranged in the steam generator system, be integrated with boiler, is the key position of boiler blanking.Boiler produces axially and radial displacement owing to expanding with heat and contract with cold of boiler itself causes feeding chute in process of production, and general axial displacement reaches 70mm, and radial displacement reaches about 150mm.Therefore and chute top is fixed, and the bottom connects with boiler, chute often occurs with phenomenon is torn in the boiler connection place, causes boiler to leak, and the chute leakage is expected, has a strong impact on production, jeopardizes safety.
Summary of the invention
The purpose of this utility model is to produce axially and radial displacement in order to reduce feeding chute, avoid chute and boiler connection place to tear and cause the boiler water leakage phenomenon, and a kind of rational in infrastructure, simple for production, boiler feeding chute motion compensator that effect is good is provided.
For this reason, the technical solution of the utility model is:
Boiler feeding chute motion compensator is to be made of flange, liner plate, end pipe, bellows, inner tube, pull bar, pull bar fixed plate and stop nut; The compensator outside is a bellows, and bellows is welded on the flange by the end pipe; Inner tube is arranged in the bellows, be welded with on inner pipe liner plate; Inner tube one end and flange welding, the other end are unfixing; Bellows two ends flange is provided with pull bar, is fixed two ends configuration stop nut by the pull bar fixed plate.
The external diameter of described bellows, because bellows itself has radial compensation function, and is directly proportional with external diameter, by calculating, the external diameter specification of bellows is φ 720 mm.
Distance between the stop nut of described pull bar two ends, the axial distance of pressing length under the bellows nature+needs compensation calculates.
After in the middle of the boiler feeding chute compensator being installed, the radial displacement that axially reaches within the specific limits compensates to boiler, can satisfy axial displacement 70mm, the requirement of radial displacement 150mm.Use it, can effectively avoid chute and boiler connection place to tear, reduce boiler and leak, prevent that chute from leaking the generation of material phenomenon, ensures safety in production.Owing in compensator, increase abrasion-proof backing block, can effectively prevent the damage of boiler and chute again, increase the service life.
Description of drawings
Accompanying drawing is the structural representation of boiler feeding chute motion compensator.
Among the figure: flange 1, liner plate 2, end pipe 3, bellows 4, inner tube 5, pull bar 6, pull bar fixed plate 7, stop nut 8.
Embodiment
Below in conjunction with the embodiment in the accompanying drawing the utility model is described in detail:
Boiler feeding chute motion compensator as shown in drawings, is to be made of flange 1, liner plate 2, end pipe 3, bellows 4, inner tube 5, pull bar 6, pull bar fixed plate 7 and stop nut 8.The compensator outside is a bellows 4, and bellows 4 is welded on the flange 1 by end pipe 3; Inner tube 5 is arranged, at inner tube 5 welding liner plates 2 in the bellows 4; Inner tube 5 one ends and flange 1 welding, the other end is unfixing; Bellows 4 and the welding of end pipe 3 one ends, end pipe 3 the other ends and flange 1 welding; 4 liang of end flange 1 places of bellows arrange four pull bars 6, and are fixing by pull bar fixed plate 7, and weld respectively 4 fixed plates on two side ends pipe 3, and pull bar 6 is penetrated, and screw on stop nut 8.
In compensator working process, because bellows itself has the function of radial compensation, and is directly proportional with external diameter, by calculating, the external diameter specification of bellows is φ 720mm, namely can satisfy the requirement of radial displacement 150mm; Distance between the stop nut on four pull bars is 70mm, when the boiler axial tension, can satisfy the requirement of bellows axial displacement by stop nut, and the long bellows that causes that can not stretch simultaneously damages.In the inner tube bottom two-layer liner plate is arranged, the upper liner entrance is fixed on the flange, and the other end is unfixing; There is one section liner plate the upper liner below, and this liner plate one end is fixed on the outlet(discharge) flange place, and the other end is unfixing yet.Like this, when bellows stretches when collapsible, inner liner plate still can have displacement, and material stock not.
Claims (3)
1. a boiler feeding chute motion compensator is characterized in that being made of flange (1), liner plate (2), end pipe (3), bellows (4), inner tube (5), pull bar (6), pull bar fixed plate (7) and stop nut (8); The compensator outside is a bellows (4), and bellows (4) is welded on the flange (1) by end pipe (3); Inner tube (5) is arranged in the bellows (4), be welded with liner plate (2) in inner tube (5); Inner tube (5) one ends and flange (1) welding, the other end is unfixing; Bellows (4) two end flange (1) locate to be provided with pull bar (6), and are fixing by pull bar fixed plate (7), two ends configuration stop nut (8).
2. a kind of boiler feeding chute motion compensator according to claim 1 is characterized in that, the external diameter specification of bellows (4) is φ 720 mm.
3. a kind of boiler feeding chute motion compensator according to claim 1 is characterized in that the distance between pull bar (6) the two ends stop nuts (8) is 70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344869 CN202674678U (en) | 2012-07-15 | 2012-07-15 | Displacement compensator for feeding chute of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344869 CN202674678U (en) | 2012-07-15 | 2012-07-15 | Displacement compensator for feeding chute of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674678U true CN202674678U (en) | 2013-01-16 |
Family
ID=47495584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220344869 Expired - Fee Related CN202674678U (en) | 2012-07-15 | 2012-07-15 | Displacement compensator for feeding chute of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089420A (en) * | 2014-07-01 | 2014-10-08 | 江苏大力城电气有限公司 | Bellow expansion joint special for solar heat collecting tube |
-
2012
- 2012-07-15 CN CN 201220344869 patent/CN202674678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089420A (en) * | 2014-07-01 | 2014-10-08 | 江苏大力城电气有限公司 | Bellow expansion joint special for solar heat collecting tube |
| CN104089420B (en) * | 2014-07-01 | 2016-04-13 | 江苏大力城电气有限公司 | The special expansion bellow of a kind of solar energy heat collection pipe |
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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: 20130116 Termination date: 20180715 |