CN220103099U - Steam drum for slurry oil steam generator - Google Patents
Steam drum for slurry oil steam generator Download PDFInfo
- Publication number
- CN220103099U CN220103099U CN202321543874.2U CN202321543874U CN220103099U CN 220103099 U CN220103099 U CN 220103099U CN 202321543874 U CN202321543874 U CN 202321543874U CN 220103099 U CN220103099 U CN 220103099U
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- Prior art keywords
- flange
- end cover
- drum
- steam
- annular protruding
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- 239000002002 slurry Substances 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model relates to a steam drum for an oil slurry steam generator, which comprises a steam drum pipe body, a manhole, a connecting flange and an end cover, wherein the manhole is formed in the steam drum pipe body, the connecting flange is arranged at the manhole, the connecting flange comprises a flange plate and a flange pipe arranged at one end of the flange plate, which is far away from the flange pipe, is connected with the end cover, the flange pipe is connected with the steam drum pipe body, an annular protruding part is arranged at one end, which is close to the connecting flange, of the end cover, an external thread is arranged at the outer side of the annular protruding part, a thermal expansion material is arranged at the inner side of the annular protruding part, the thermal expansion coefficient of the thermal expansion material is larger than that of the annular protruding part, an internal thread is arranged in the connecting flange to be screwed with the external thread, the end cover is rotated, so that the annular protruding part is screwed into the connecting flange, when a large amount of high-temperature steam exists in the steam drum pipe, the air pressure in the steam drum pipe is also large, the end cover is difficult to unscrew from the connecting flange under the action of the air pressure, the end cover is prevented from being scalded by the end cover after the personnel is opened, and the safety accident is reduced.
Description
Technical Field
The utility model relates to the technical field of steam generators, in particular to a steam drum for an oil slurry steam generator.
Background
The steam drum of the steam generator is a pressure vessel and is an evaporator for changing water into steam, and for ensuring boiling, less than half of water is filled in the steam drum, and evaporation reaction always occurs in the operation process, so that the air pressure in the pipe body of the steam drum is larger and the temperature is higher.
The manhole is all offered on steam generator's the steam pocket, can wash the maintenance in to the steam pocket body through the manhole, and prior art all is offered the manhole on the steam pocket body, and flange joint steam pocket body, end cover bolted connection flange's mode is opened and is closed the manhole, but when devices such as the release valve of steam pocket break down, can't confirm the inside condition of steam pocket, if there is high temperature steam in the steam pocket, open the manhole and scald personnel easily this moment, initiate the incident.
Disclosure of Invention
In view of the foregoing shortcomings of the prior art, it is an object of the present utility model to provide a drum for a slurry oil steam generator that solves one or more of the problems of the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a drum for a slurry vapor generator comprising:
including the steam drum body, set up in manhole on the steam drum body, set up in flange and the end cover of manhole department, flange include the ring flange, set up in the flange pipe of ring flange one end, the ring flange keep away from flange pipe one end is connected the end cover, the flange union coupling the steam drum body, the end cover is close to flange one end is provided with annular protruding portion, the annular protruding portion outside is provided with the external screw thread, annular protruding portion inboard is provided with the thermal expansion material, the thermal expansion coefficient of thermal expansion material is greater than the thermal expansion coefficient of annular protruding portion, be provided with the internal thread in the flange with the external screw thread is screwed, rotates the end cover makes annular protruding portion screw in flange.
Further, a welding sleeve is arranged at the manhole, one end of the welding sleeve is welded with the steam drum pipe body, and the other end of the welding sleeve is welded with the connecting flange.
Further, the flange pipe of the connecting flange extends into the steam drum pipe body.
Further, a plurality of bolt holes are formed in the flange plate, and a plurality of bolt holes are formed in the end cover and correspond to the bolt holes.
Further, a sealing gasket is arranged between the end cover and the connecting flange.
Further, a handle and a hanging column are arranged on the end cover.
Further, one end of the hanging column is connected with the first base through a bolt, and the other end of the hanging column is connected with the end cover through a lifting lug.
Further, a lifting hook is arranged at one end, close to the lifting lug, of the lifting column, one end of the lifting hook hooks the lifting lug, and the other end of the lifting hook is connected with the lifting column.
Furthermore, positioning grooves are respectively formed in the flange plate and the end cover.
Compared with the prior art, the utility model has the following beneficial technical effects:
(1) According to the steam drum for the oil slurry steam generator, the annular protruding part is arranged on the end cover, the outer side of the annular protruding part is provided with the external thread, the inner side of the annular protruding part is provided with the thermal expansion material, the inner thread is arranged in the connecting flange and screwed with the external thread, the end cover is rotated to enable the annular protruding part to be screwed into the connecting flange, when a large amount of high-temperature steam exists in the steam drum pipe body, the air pressure and the temperature in the steam drum pipe body are also large, under the action of the air pressure, the end cover has a trend of moving away from the steam drum pipe body relative to the connecting flange, at the moment, the inner thread is tightly attached to the side face of the external thread, the friction force between the inner thread and the external thread is increased, meanwhile, the thermal expansion material expands under the action of high temperature, the diameter of the annular protruding part is increased, the gap between the annular protruding part and the flange pipe is reduced, the annular protruding part is screwed and is tighter, at the moment, the end cover is difficult to unscrew from the connecting flange, the end cover is prevented from being opened when a large amount of steam exists in the steam drum pipe body, the end cover is scalded by the steam, and the occurrence of a safety accident is reduced.
(2) Further, the flange pipe stretches into the inside of the steam drum pipe body, and a welding sleeve is further arranged between the manhole and the connecting flange and used for increasing the connection strength between the connecting flange and the steam drum pipe body.
(3) Further, the handle and the hanging column are arranged on the end cover, so that personnel can conveniently unscrew the end cover from the connecting flange, and the lifting device can conveniently move the end cover.
Drawings
Fig. 1 shows a schematic diagram of a front view of a drum for a slurry vapor generator according to an embodiment of the present utility model.
Fig. 2 shows a specific cross-sectional view of a drum for a slurry vapor generator at a manhole according to a first embodiment of the present utility model.
Fig. 3 is a schematic diagram showing a left-hand structure of a drum for a slurry vapor generator according to an embodiment of the present utility model
Fig. 4 shows a schematic top view of an end cap and a connecting flange in a drum for a slurry vapor generator according to an embodiment of the utility model.
The reference numerals in the drawings:
1. a steam-wrapped pipe body; 11. a manhole; 12. welding a sleeve; 2. a connecting flange; 21. an internal thread; 22. bolt holes; 23. a positioning groove; 24. a sealing gasket; 25. a flange pipe; 26. a flange plate; 3. an end cap; 31. an annular protruding portion; 311. an external thread; 32. a handle; 33. a thermal expansion material; 4. a hanging column; 41. a first base; 411. a plug pin; 42. lifting lugs; 43. and (5) a lifting hook.
Detailed Description
For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it would be understood by those skilled in the art, and that any structural modifications, proportional changes, or dimensional adjustments made in the drawings should not be construed as limiting the utility model to the full scope of the utility model without affecting the efficiency or reach of the utility model.
In the description of the present utility model, the positional or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1
Referring to fig. 1 to 4, a steam drum for a slurry vapor generator includes a steam drum body 1, a manhole 11 formed on the steam drum body 1, a connection flange 2 and an end cover 3 disposed at the manhole 11, wherein the connection flange 2 includes a flange 26, a flange pipe 25 disposed at one end of the flange 26, which is far away from the flange pipe 25, is connected to the end cover 3, the end cover 3 is provided with an annular protruding portion 31 near one end of the connection flange 2, an external thread 311 is disposed outside the annular protruding portion 31, a thermal expansion material 33 is disposed inside the annular protruding portion 31, a thermal expansion coefficient of the thermal expansion material 33 is greater than that of the annular protruding portion 31, an internal thread 21 is disposed in the connection flange 2 and is screwed with the external thread 311, and the annular protruding portion 31 is screwed into the connection flange 2 by rotating the end cover 3.
The following describes the specific structure of the steam-clad pipe body 1 and the connecting flange 2 as follows:
referring to fig. 2, a welding sleeve 12 is disposed at the manhole 11, one end of the welding sleeve 12 is welded to the steam-wrapped pipe body 1, and the other end of the welding sleeve 12 is welded to the connecting flange 2.
Referring to fig. 1 and 2, the flange pipe of the connecting flange 2 extends into the steam-wrapped pipe body 1. For increasing the strength of the connection between the connection flange 2 and the drum pipe body 1.
Referring to fig. 1 and 2, the flange 26 is provided with a plurality of bolt holes 22, and the end cover 3 is provided with a plurality of bolt holes 22 corresponding to the bolt holes. Specifically, after screwing the end cap 3 and the connection flange 2, bolts (not shown in the drawings) are passed through the bolt holes 22, preventing the end cap 3 and the connection flange 2 from rotating, while further fastening the connection between the end cap 3 and the connection flange 2.
Referring to fig. 3, the flange 26 and the end cap 3 are respectively provided with a positioning groove 23. Specifically, before screwing the end cover 3 and the connecting flange 2, aligning the positioning grooves 23 on the end cover 3 and the connecting flange 2, and screwing the end cover 3 and the connecting flange 2, so that the screwed end cover 3 is aligned with the bolt holes 22 on the connecting flange 2.
The specific structure of the end cap 3 is described below:
referring to fig. 2, a sealing gasket 24 is disposed between the end cap 3 and the connecting flange 2. Specifically, the gasket 24 is used for sealing the gap between the end cover 3 and the connecting flange 2, and preventing gas and liquid in the steam-wrapped pipe body 1 from leaking.
Referring to fig. 3, the end cap 3 is provided with a handle 32 and a suspension post 4. In particular, it is convenient to unscrew the end cap 3 from the connection flange 2 by a person, and to move the end cap 3 by the lifting device.
The specific structure of the end cap 3 is described below:
referring to fig. 1 and 3, one end of the suspension post 4 is connected to the first base 41 through a latch 411, and the other end of the suspension post 4 is connected to the end cover 3 through a lifting lug 42. Specifically, the first base 41 is sleeved on the hanging post 4 and fixed by the bolt 411, so that the hanging post 4 is prevented from sliding out of the first base 41, and the first base 41 is welded on the end cover 3.
Referring to fig. 1 and 3, a hanging hook 43 is disposed at one end of the hanging post 4 near the hanging lug 42, one end of the hanging hook 43 hooks the hanging lug 42, and the other end of the hanging hook 43 is connected with the hanging post 4. Specifically, the lifting lug 42 is welded on the end cover 3, one end of the lifting hook 43, which is in the shape of a hook, hooks the lifting lug 42, and the other end of the lifting hook passes through the lifting column 4 and is fixed by a nut (not labeled in the figure).
The specific working procedure of the utility model is as follows:
when the manhole 11 is opened, a person unscrews the bolt and the nut in the bolt hole 22, then unscrews the end cover 3 and the connecting flange 2 by means of the handle 32 and the hanging post 4, at this moment, the manhole 11 is opened, if a large amount of high-temperature steam exists in the steam-wrapped pipe body 1, the air temperature and the air pressure in the pipe body are higher, the end cover 3 is difficult to unscrew from the connecting flange 2, the manhole 11 cannot be opened, and when the manhole 11 is closed, the person aligns with the positioning groove 23 on the end cover 3 and the flange 26, the annular protruding part 31 of the aligned end cover 3 is screwed into the connecting flange 2 by means of the handle 32 and the hanging post 4, the bolt passes through the bolt hole 22 and is fixed, and at this moment, the manhole 11 is closed.
Therefore, it can be seen that, the above-mentioned steam drum for oil slurry steam generator, through screw thread screwing end cover 3 and flange 2, when there is a large amount of high temperature steam in steam package body 1, the air temperature and the atmospheric pressure in the steam package body 1 also can increase, under the atmospheric pressure effect, end cover 3 has the trend of keeping away from steam package body 1 motion to flange 2, the internal thread 21 closely laminates with the side of external screw 311 this moment, frictional force between the two increases, simultaneously the expansion of hot expanding material 33 under the high temperature effect, the diameter of the annular protruding part 31 is expanded, reduce the clearance between annular protruding part 31 and flange pipe 25, make the two revolve and inseparabler, end cover 3 is difficult to unscrew from flange 2 this moment, avoid steam scald personnel, be provided with constant head tank 23 on end cover 3 and flange 2, be convenient for personnel confirm the position, make end cover 3 after screwing up and flange 2 on bolt hole 22 mutual alignment, still be provided with handle 32 and post 4 on end cover 3, be convenient for the personnel to unscrew end cover 3 from flange 2, also be convenient for remove end cover 3 from hoisting device.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (9)
1. A drum for a slurry vapor generator, characterized by: including the steam drum body, set up in manhole on the steam drum body, set up in flange and the end cover of manhole department, flange include the ring flange, set up in the flange pipe of ring flange one end, the ring flange keep away from flange pipe one end is connected the end cover, the flange union coupling the steam drum body, the end cover is close to flange one end is provided with annular protruding portion, the annular protruding portion outside is provided with the external screw thread, annular protruding portion inboard is provided with the thermal expansion material, the thermal expansion coefficient of thermal expansion material is greater than the thermal expansion coefficient of annular protruding portion, be provided with the internal thread in the flange with the external screw thread is screwed, rotates the end cover makes annular protruding portion screw in flange.
2. A drum for a slurry vapor generator as defined in claim 1 wherein: the manhole is provided with a welding sleeve, one end of the welding sleeve is welded with the steam drum pipe body, and the other end of the welding sleeve is welded with the connecting flange.
3. A drum for a slurry vapor generator as defined in claim 1 wherein: the flange pipe of the connecting flange stretches into the steam drum pipe body.
4. A drum for a slurry vapor generator as defined in claim 1 wherein: the flange plate is provided with a plurality of bolt holes, and the end cover is provided with a plurality of bolt holes corresponding to the bolt holes.
5. A drum for a slurry vapor generator as defined in claim 1 wherein: and a sealing gasket is arranged between the end cover and the connecting flange.
6. A drum for a slurry vapor generator as defined in claim 1 wherein: the end cover is provided with a handle and a hanging column.
7. A drum for a slurry vapor generator as defined in claim 6 wherein: one end of the hanging column is connected with the first base through a bolt, and the other end of the hanging column is connected with the end cover through a lifting lug.
8. A drum for a slurry vapor generator as defined in claim 7 wherein: the lifting column is close to one end of the lifting lug, one end of the lifting hook hooks the lifting lug, and the other end of the lifting hook is connected with the lifting column.
9. A drum for a slurry vapor generator as defined in claim 1 wherein: and positioning grooves are respectively arranged on the flange plate and the end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543874.2U CN220103099U (en) | 2023-06-16 | 2023-06-16 | Steam drum for slurry oil steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543874.2U CN220103099U (en) | 2023-06-16 | 2023-06-16 | Steam drum for slurry oil steam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220103099U true CN220103099U (en) | 2023-11-28 |
Family
ID=88872797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321543874.2U Active CN220103099U (en) | 2023-06-16 | 2023-06-16 | Steam drum for slurry oil steam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220103099U (en) |
-
2023
- 2023-06-16 CN CN202321543874.2U patent/CN220103099U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |