CN219841780U - Steam rotary dryer steam chamber structure and steam rotary dryer - Google Patents
Steam rotary dryer steam chamber structure and steam rotary dryer Download PDFInfo
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- CN219841780U CN219841780U CN202321120995.6U CN202321120995U CN219841780U CN 219841780 U CN219841780 U CN 219841780U CN 202321120995 U CN202321120995 U CN 202321120995U CN 219841780 U CN219841780 U CN 219841780U
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- rotary dryer
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- dryer
- rotary
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 17
- 230000009471 action Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a steam chamber structure of a steam rotary dryer and the steam rotary dryer, wherein the steam rotary dryer comprises an inner end socket and an outer end socket, and the inner end socket and the outer end socket are butt-welded to form an elliptical end socket; the heat exchange tube is arranged on the inner seal head, the rotary joint is arranged at the center of the outer seal head, the steam inlet and the condensate water outlet are arranged on the rotary joint, the condensate water outlet is connected with one end of the siphon, and the other end of the siphon extends into the lowest point in the cavity of the elliptical seal head; compared with the existing cake-shaped steam chamber, the steam chamber is formed by the double elliptic end sockets, has less welding joints, less welding workload, low welding line failure probability and large welding operation space. In addition, when the condensate water is continuously collected at the bottom of the steam chamber, the condensate water in the steam chamber can be ensured to be discharged out of the dryer under the siphon action through the siphon pipe, and the heat exchange efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of steam rotary dryers, and particularly relates to a steam chamber structure of a steam rotary dryer and the steam rotary dryer.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The steam rotary dryer is thermal equipment widely applied to petrochemical industry and the like. The steam chamber of the dryer distributes steam evenly to each heating pipe, then the steam is collected with condensed water after heat exchange with materials and discharged out of the dryer, and the steam chamber is a core component of the steam rotary dryer.
The current common structure in the industry is a 'cake-shaped' steam chamber, such as Chinese patent No. 105972986A, and discloses a dryer steam chamber structure capable of adjusting inlet and closing steam in different areas, which comprises a closed cavity provided with a heat exchange tube, wherein the closed cavity adopts a cake-shaped structure as a steam chamber, but the structure has the following problems: the welding device is formed by welding a plurality of parts, so that a plurality of welding joints are formed, the welding workload is high, the plurality of welding joints mean that the welding joint leakage probability is high, and the welding operation space is small, so that the welding work is not facilitated; condensed water is discharged from a water outlet pipe in the center of the steam chamber through a water outlet hole, and is easy to accumulate at the bottom of the steam chamber, so that the condensed water is not continuously or smoothly discharged, and the heat exchange efficiency is low.
Disclosure of Invention
The utility model aims to provide a steam chamber structure of a steam rotary dryer and the steam rotary dryer, which can reduce welding joints, ensure timely discharge of condensed water in the steam chamber and improve heat exchange efficiency.
In order to achieve the above object, the present utility model is realized by the following technical scheme:
in a first aspect, an embodiment of the present utility model provides a steam chamber structure of a steam rotary dryer, including an inner seal head and an outer seal head, where the inner seal head and the outer seal head are butt-welded to form an elliptical seal head; the heat exchange tube is arranged on the inner seal head, the rotary joint is arranged at the central position of the outer seal head, the steam inlet and the condensate water outlet are arranged on the rotary joint, the condensate water outlet is connected with one end of the siphon, and the other end of the siphon extends into the lowest point in the cavity of the elliptical seal head.
As a further technical scheme, the inner seal head is welded with the cylinder body of the drying chamber.
As a further technical scheme, one end of the heat exchange tube is communicated with the cavity in the elliptical head, and the other end of the heat exchange tube extends into the cylinder of the drying chamber.
As a further technical scheme, a manhole is arranged at the lower part of the side surface of the outer sealing head.
As a further technical scheme, the bottom of the outer seal head is provided with an exhaust valve.
As a further technical scheme, the rotary joint is mounted on the outer sealing head through a flange or threads.
As a further technical scheme, the rotary joint is sealed by a sealing ring during installation.
As a further technical scheme, the rotary joint adopts a bidirectional flow type.
As a further technical scheme, the inner channel of the rotary joint is a circulation channel of condensed water, and the outer channel of the rotary joint is a circulation channel of steam.
In a second aspect, embodiments of the present utility model provide a steam rotary dryer including the steam chamber structure of the first aspect.
The beneficial effects of the embodiment of the utility model are as follows:
compared with the existing cake-shaped steam chamber, the steam chamber structure of the steam rotary dryer provided by the utility model has the advantages of less welding joints, less welding workload, low welding line failure probability and large welding operation space. In addition, when the condensate water is continuously collected at the bottom of the steam chamber, the condensate water in the steam chamber can be ensured to be discharged out of the dryer under the siphon action through the siphon pipe, and the heat exchange efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
Fig. 1 is a schematic view of the steam drum structure of the steam rotary dryer of the present utility model.
The schematic is used only as schematic;
wherein, 1, a cylinder; 2. a heat exchange tube; 3. an inner seal head; 4. an outer end enclosure; 5. a rotating structure; 6. a manhole; 7. a siphon tube; 8. an evacuation valve.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
Example 1
In a typical embodiment of the utility model, as shown in fig. 1, a steam chamber structure of a steam rotary dryer is provided, and the steam chamber structure comprises an inner sealing head 3 and an outer sealing head 4, wherein the inner sealing head 3 and the outer sealing head are butt-welded to form an elliptical sealing head 4, and the elliptical sealing head is used as a steam chamber of the steam rotary dryer.
The inner seal head 3 is welded with the cylinder body of the drying chamber and forms a cavity of the drying chamber with the cylinder body 1 to provide a drying space for materials to be dried, the inner seal head 3 is provided with the heat exchange tube 2, one end of the heat exchange tube 2 is communicated with the cavity in the elliptical seal head, the other end of the heat exchange tube extends into the cylinder body of the drying chamber, the inner seal head uniformly distributes steam in the elliptical seal head to each heating tube, high-temperature steam is conveyed into the drying chamber through the heat exchange tube, the materials to be dried in the drying chamber exchange heat, the high-temperature steam is condensed into condensed water which flows back to the cavity in the elliptical seal head, the cylinder body and the heat exchange tube incline by a certain angle, and the condensed water flows into the steam chamber under the action of gravity.
The central point of outer head 4 puts installation rotary joint 5, rotary joint 5 passes through flange or screw thread to be installed on outer head 4, adopts the sealing washer to seal when the installation, rotary joint adopts two-way flow formula, sets up steam inlet and comdenstion water export on the rotary joint, and rotary joint's inner channel is the circulation passageway of comdenstion water, and rotary joint's outer passageway is the circulation passageway of steam, and steam gets into then in the oval head through the steam passageway from the steam inlet, the comdenstion water export links to each other with siphon 7's one end, and siphon 7's the other end stretches into the minimum in oval head intracavity, under the siphon effect, outside the continuous discharge desiccator of comdenstion water in the oval head.
In this embodiment, a manhole 6 is disposed at the lower side of the outer end enclosure 4, and the manhole 6 is used for overhauling the heat exchange tube 2.
In this embodiment, an evacuation valve is disposed at the bottom of the outer seal head, and the evacuation valve 8 is used for draining test water used in the hydrostatic test of the dryer heating device, or water in the steam chamber when the dryer is stopped.
The working process of the steam chamber structure of the steam rotary dryer provided by the embodiment is as follows:
the heat required by drying is provided by saturated steam, the steam enters a steam chamber cavity formed by an inner sealing head 3 and an outer sealing head 4 through a steam inlet on a rotary joint 5, the steam chamber cavity is uniformly distributed into each heat exchange tube 2, and condensed water formed by heat release in the drying process continuously flows into the steam chamber cavity from a heating tube 2 under the action of gravity along with the rotation of a cylinder body 1. The condensed water is continuously collected, a certain liquid level is formed at the bottom of the steam chamber cavity, the water inlet of the siphon pipe 7 is submerged below the liquid level, a certain pressure difference is formed between the steam chamber cavity and the outside under the action of saturated steam, the condensed water is pressed into the siphon pipe 7, and then the condensed water is continuously discharged out of the dryer by utilizing the siphon action. The manhole 6 is used for overhauling the heat exchange tube 2. The evacuation valve 8 is used for draining test water when the dryer heating device is used for hydrostatic test or water in the steam chamber when the dryer is stopped.
Example 2
In another exemplary embodiment of the present utility model, there is also provided a steam rotary dryer including the steam chamber structure of example 1, which reduces welded joints and also continuously discharges condensate from the bottom of the steam chamber out of the dryer using a siphon effect.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The steam chamber structure of the steam rotary dryer is characterized by comprising an inner sealing head and an outer sealing head, wherein the inner sealing head and the outer sealing head are butt-welded to form an elliptical sealing head; the heat exchange tube is arranged on the inner seal head, the rotary joint is arranged at the central position of the outer seal head, the steam inlet and the condensate water outlet are arranged on the rotary joint, the condensate water outlet is connected with one end of the siphon, and the other end of the siphon extends into the lowest point in the cavity of the elliptical seal head.
2. The steam drum structure of the steam rotary dryer as claimed in claim 1, wherein the inner seal head is welded with the drum body of the drying chamber.
3. The steam drum structure of the steam rotary dryer as claimed in claim 1, wherein one end of the heat exchange tube is communicated with the cavity in the elliptical head, and the other end extends into the drum of the drying chamber.
4. The steam drum structure of the steam rotary dryer as claimed in claim 1, wherein a manhole is provided at a lower side of the outer head.
5. The steam drum structure of the steam rotary dryer of claim 1, wherein an exhaust valve is arranged at the bottom of the outer sealing head.
6. The steam drum structure of the steam rotary dryer as claimed in claim 1, wherein the rotary joint is mounted on the outer head by a flange or screw.
7. The steam drum structure of the steam rotary dryer of claim 6, wherein the rotary joint is sealed by a sealing ring when being installed.
8. The steam drum structure of the steam rotary dryer as claimed in claim 1, wherein the rotary joint adopts a bidirectional flow type.
9. The steam drum structure of the steam rotary dryer as claimed in claim 8, wherein the inner passage of the rotary joint is a circulation passage of condensed water, and the outer passage of the rotary joint is a circulation passage of steam.
10. A steam rotary dryer comprising a steam chamber structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321120995.6U CN219841780U (en) | 2023-05-06 | 2023-05-06 | Steam rotary dryer steam chamber structure and steam rotary dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321120995.6U CN219841780U (en) | 2023-05-06 | 2023-05-06 | Steam rotary dryer steam chamber structure and steam rotary dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219841780U true CN219841780U (en) | 2023-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321120995.6U Active CN219841780U (en) | 2023-05-06 | 2023-05-06 | Steam rotary dryer steam chamber structure and steam rotary dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219841780U (en) |
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2023
- 2023-05-06 CN CN202321120995.6U patent/CN219841780U/en active Active
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