CN212481363U - Water-cooled wall boiler abrasionproof beam structure - Google Patents
Water-cooled wall boiler abrasionproof beam structure Download PDFInfo
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- CN212481363U CN212481363U CN202020389134.8U CN202020389134U CN212481363U CN 212481363 U CN212481363 U CN 212481363U CN 202020389134 U CN202020389134 U CN 202020389134U CN 212481363 U CN212481363 U CN 212481363U
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- wall
- annular
- water
- annular block
- boiler
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000872 buffer Substances 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 239000010883 coal ash Substances 0.000 abstract description 26
- 239000008187 granular material Substances 0.000 abstract description 23
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the boiler abrasionproof decreases, especially, be a water-cooled wall boiler abrasionproof beam structure, including the boiler water-cooled wall, welded fastening has first annular piece on the inner wall of boiler water-cooled wall, the annular groove has been seted up to the bottom of first annular piece, slidable mounting has second annular piece in the annular groove, welded fastening has third annular piece on the inner wall of boiler water-cooled wall, third annular piece is located the below of second annular piece, set up a plurality of slide openings that are the annular arrangement on the second annular piece, slidable mounting has the round bar in the slide opening, the top of round bar extends to outside the slide opening and together with the top inner wall welded fastening of annular groove, the bottom of round bar extends to outside the slide opening and is in the same place with the top welded fastening of third annular piece. The utility model is simple in operation, convenient to use can slow down the falling speed of coal ash granule effectively to avoid the coal ash granule to cause the harm to the water-cooling wall pipe wall.
Description
Technical Field
The utility model relates to a boiler abrasionproof decreases technical field, especially relates to a water-cooled wall boiler abrasionproof beam structure.
Background
The water-cooled wall is the main heated part of the boiler, and is composed of a plurality of rows of steel pipes and distributed around the hearth of the boiler. The inside of the furnace is flowing water or steam, and the outside receives the heat of the flame of the boiler furnace. Mainly absorbs the radiation heat of high-temperature combustion products in the hearth, and the working medium rises in the hearth and is heated and evaporated.
However, in the wall of the waterwall (i.e., the dense phase region) in the lower part of the circulating fluidized bed boiler, the wall region of the waterwall is easily worn and the wear position is irregular due to the descending of the soot particles along the waterwall, and therefore, an abrasion-proof beam structure for the waterwall boiler is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a water-cooled wall boiler wear-resistant beam structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an anti-wear beam structure of a water-cooled wall boiler comprises a boiler water-cooled wall, wherein a first annular block is welded and fixed on the inner wall of the boiler water-cooled wall, the bottom of the first annular block is provided with an annular groove, a second annular block is arranged in the annular groove in a sliding way, a third annular block is welded and fixed on the inner wall of the boiler water-cooled wall and is positioned below the second annular block, the second annular block is provided with a plurality of sliding holes which are arranged in an annular shape, the sliding holes are internally provided with round rods in a sliding way, the top end of the round rod extends out of the sliding hole and is welded and fixed with the inner wall of the top of the annular groove, the bottom end of the round rod extends out of the sliding hole and is welded and fixed with the top of the third annular block, the sliding sleeve is equipped with the spring on the round bar, the top and the bottom of spring respectively with the bottom of second annular piece and the top welded fastening of third annular piece be in the same place.
Preferably, a plurality of buffer blocks which are arranged in an annular mode are welded and fixed to the top of the second annular block, and the buffer blocks are made of PTFE.
Preferably, the tops of the first annular block and the third annular block are both provided with a first arc-shaped groove facing the circle center, and the slope of the first arc-shaped groove is 30 degrees.
Preferably, the inner wall of the sliding hole is welded and fixed with a wear-resistant gasket, and the round rod is connected with the inner wall of the wear-resistant gasket in a sliding mode.
Preferably, the stiffness coefficient of the spring is 30N/m.
Preferably, a second arc-shaped groove facing the circle center is formed in the top of the second annular block, and the gradient of the second arc-shaped groove is 45 degrees.
Compared with the prior art, the beneficial effects of the utility model are that: when the coal ash granule descends along the water wall pipe, the coal ash granule can impact first annular piece at first, later the coal ash granule can be along with first arc groove flow direction second annular piece on the first annular piece, second annular piece receives can rapid downstream after assaulting, under the effect of a plurality of springs, the impact force that the second annular piece received can be by great reduction, later the second arc groove flow on the coal ash granule rethread second annular piece, through foretell flow, the flow velocity of the coal ash granule of high-speed flow can be cut down, thereby can avoid the coal ash granule to cause the wearing and tearing to the water wall.
The utility model is simple in operation, convenient to use can slow down the falling speed of coal ash granule effectively to avoid the coal ash granule to cause the harm to the water-cooling wall pipe wall.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
in the figure: 1. a water cooled wall; 2. a first ring block; 3. a groove; 4. a second ring block; 5. a third annular block; 6. a slide hole; 7. a round bar; 8. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a water-cooled wall boiler anti-abrasion beam structure comprises a boiler water-cooled wall 1, a first annular block 2 is welded and fixed on the inner wall of the boiler water-cooled wall 1, an annular groove 3 is formed in the bottom of the first annular block 2, a second annular block 4 is arranged in the annular groove 3 in a sliding mode, a third annular block 5 is welded and fixed on the inner wall of the boiler water-cooled wall 1, the third annular block 5 is located below the second annular block 4, a plurality of sliding holes 6 which are arranged in an annular mode are formed in the second annular block 4, a round rod 7 is arranged in the sliding holes 6 in a sliding mode, the top end of the round rod 7 extends out of the sliding holes 6 and is welded and fixed with the inner wall of the top of the annular groove 3, the bottom end of the round rod 7 extends out of the sliding holes 6 and is welded and fixed with the top of the third annular block 5, a spring 8 is sleeved on the round rod 7 in a sliding mode, and the top end and the bottom end of the spring 8 are respectively welded and fixed;
the top of the second annular block 4 is fixedly welded with a plurality of buffer blocks which are arranged in an annular shape, the buffer blocks are made of PTFE, the tops of the first annular block 2 and the third annular block 5 are respectively provided with a first arc-shaped groove facing the circle center, the gradient of the first arc-shaped groove is 30 degrees, the inner wall of the slide hole 6 is fixedly welded with a wear-resistant gasket, the round rod 7 is connected with the inner wall of the wear-resistant gasket in a sliding manner, the stiffness coefficient of the spring 8 is 30N/m, the top of the second annular block 4 is provided with a second arc-shaped groove facing the circle center, the gradient of the second arc-shaped groove is 45 degrees, when coal ash particles descend along a water wall pipe, the coal ash particles firstly impact the first annular block 2, then the coal ash particles flow to the second annular block 4 along with the first arc-shaped groove on the first annular block 2, the second annular block 4 rapidly moves downwards after being impacted, under the action of the plurality of, the impact force that second annular block 4 received can be by big reduction, and later the second arc groove on the coal ash granule rethread second annular block 4 flows, through foretell flow, the flow velocity of the coal ash granule of high-speed flow can be cut down to can avoid the coal ash granule to cause wearing and tearing to the water-cooled wall, the utility model is simple in operation, convenient to use can slow down the falling speed of coal ash granule effectively, thereby avoids the coal ash granule to cause the harm to the water-cooled wall pipe wall.
The working principle is as follows: when the coal ash granule descends along the water wall pipe, first annular block 2 can be strikeed at first to the coal ash granule, later the coal ash granule can be along with first arc groove flow direction second annular block 4 on first annular block 2, second annular block 4 receives can rapid downstream after assaulting, under the effect of a plurality of springs 8, the impact force that second annular block 4 received can be by great reduction, later the second arc groove on coal ash granule rethread second annular block 4 flows, through foretell flow, the flow velocity of the coal ash granule of high-speed flow can be cut down, thereby can avoid the coal ash granule to cause wearing and tearing to the water wall, the utility model is simple in operation, convenient to use can slow down the falling velocity of coal ash granule effectively, thereby avoid the coal ash granule to cause the harm to the water wall.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a water-cooled wall boiler abrasionproof beam structure, includes boiler water-cooled wall (1), its characterized in that: a first annular block (2) is fixedly mounted on the inner wall of the boiler water wall (1), an annular groove (3) is formed in the bottom of the first annular block (2), a second annular block (4) is slidably mounted in the annular groove (3), a third annular block (5) is fixedly mounted on the inner wall of the boiler water wall (1), the third annular block (5) is located below the second annular block (4), a plurality of sliding holes (6) which are annularly arranged are formed in the second annular block (4), a round rod (7) is slidably mounted in the sliding holes (6), the top end of the round rod (7) extends out of the sliding holes (6) and is fixedly connected with the inner wall of the top of the annular groove (3), the bottom end of the round rod (7) extends out of the sliding holes (6) and is fixedly connected with the top of the third annular block (5), and a spring (8) is sleeved on the round rod (7) in a sliding manner, the top end and the bottom end of the spring (8) are respectively and fixedly connected with the bottom of the second annular block (4) and the top of the third annular block (5).
2. The water-cooled wall boiler wear beam structure of claim 1, wherein: the top fixed mounting of second annular piece (4) has a plurality of buffers that are the annular arrangement, the material of buffer is PTFE.
3. The water-cooled wall boiler wear beam structure of claim 1, wherein: the top of the first annular block (2) and the top of the third annular block (5) are both provided with a first arc-shaped groove facing the circle center, and the gradient of the first arc-shaped groove is 30 degrees.
4. The water-cooled wall boiler wear beam structure of claim 1, wherein: and a wear-resistant gasket is fixedly mounted on the inner wall of the sliding hole (6), and the round rod (7) is connected with the inner wall of the wear-resistant gasket in a sliding manner.
5. The water-cooled wall boiler wear beam structure of claim 1, wherein: the stiffness coefficient of the spring (8) is 30N/m.
6. The water-cooled wall boiler wear beam structure of claim 1, wherein: and a second arc-shaped groove facing the circle center is formed in the top of the second annular block (4), and the gradient of the second arc-shaped groove is 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020389134.8U CN212481363U (en) | 2020-03-25 | 2020-03-25 | Water-cooled wall boiler abrasionproof beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020389134.8U CN212481363U (en) | 2020-03-25 | 2020-03-25 | Water-cooled wall boiler abrasionproof beam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212481363U true CN212481363U (en) | 2021-02-05 |
Family
ID=74458937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020389134.8U Expired - Fee Related CN212481363U (en) | 2020-03-25 | 2020-03-25 | Water-cooled wall boiler abrasionproof beam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212481363U (en) |
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2020
- 2020-03-25 CN CN202020389134.8U patent/CN212481363U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |