CN109799104B - Elastic-plastic detection scaling machine for high-pressure heater - Google Patents
Elastic-plastic detection scaling machine for high-pressure heater Download PDFInfo
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- CN109799104B CN109799104B CN201811554476.4A CN201811554476A CN109799104B CN 109799104 B CN109799104 B CN 109799104B CN 201811554476 A CN201811554476 A CN 201811554476A CN 109799104 B CN109799104 B CN 109799104B
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
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- 239000004744 fabric Substances 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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Abstract
The invention relates to an elastoplastic detection scaling machine for a high-pressure heater, which comprises a hemispherical seal head and a tube plate, wherein the seal head and the tube plate are connected to form a seal head chamber, an upper tube distribution area and a lower tube distribution area of the tube plate are fully distributed with heat exchange tubes communicated with the seal head chamber, a non-tube distribution area is formed between the upper tube distribution area and the lower tube distribution area at intervals, a hand hole seat is arranged at the arc top of the seal head, the hand hole seat is connected with a flange plate and communicated with a hollow cavity to form a hand hole, the flange plate is connected with the flange plate to seal the hand hole, and elastoplastic detection strain gauges are arranged at the arc surface of the seal head, the joint of the seal head and the tube plate, the non-tube distribution area outside the tube plate, and the peripheral edges of the upper tube distribution area and the lower tube distribution area of the tube plate. The invention can simulate the tube pass structure of the high-pressure heater and perform elastoplastic test.
Description
Technical Field
The invention belongs to the technical field of elastoplasticity detection of high-pressure heaters, and particularly relates to an elastoplasticity detection scaling machine of a high-pressure heater.
Background
The high-pressure heater is a heat conversion device, is mainly applied to a regenerative system of a large thermal power generating unit, can analyze the quality of the regenerative system by using an elastoplastic detection analysis method, and is beneficial to improving the safety of the designed and produced high-pressure heater. There is no tool or method in the prior art that can verify the reliability of the elastoplastic detection method of a high pressure heater.
Disclosure of Invention
The invention aims to solve the technical problem of providing an elastoplasticity detection scaling machine for a high-pressure heater, which realizes the simulation of a tube pass structure of the high-pressure heater to perform elastoplasticity test.
The technical scheme adopted by the invention for solving the technical problems is to provide an elastoplastic detection shrinkage ratio machine of a high-pressure heater, which comprises a hemispherical end socket and a tube plate, wherein the end socket and the tube plate are connected to form an end socket chamber, heat exchange tubes communicated with the end socket chamber are fully distributed in an upper tube distribution area and a lower tube distribution area of the tube plate, a non-tube distribution area is formed between the upper tube distribution area and the lower tube distribution area at intervals, a hand hole seat is arranged at the arc top of the end socket, the hand hole seat is connected with a flange plate, a hollow cavity is communicated with the hollow cavity to form a hand hole, the flange plate is connected with a flange cover to seal the hand hole, and elastoplastic detection strain gauges are arranged at the arc surface of the end socket, the connecting part of the end socket and the tube plate, the non-tube distribution area outside the tube plate, and the peripheral edges of the upper tube distribution area and the lower tube distribution area of the tube plate.
One end of the heat exchange tube, which is far away from the end socket chamber, is plugged by a plug.
The seal head is provided with a pressure gauge mounting seat and a safety valve mounting seat.
Lifting lugs are respectively arranged at the upper ends of the tube plate and the flange plate.
The upper tube distribution area and the lower tube distribution area are symmetrical relative to the non-tube distribution area, and the non-tube distribution area extends along the radial direction of the tube plate.
The flange plate and the flange cover are fixed by tightening bolts and nuts.
And a handle is arranged on the flange cover.
The support base comprises a bottom plate, support columns, a backing plate and a support plate, wherein the support columns are fixed on the bottom plate, the backing plate is fixed on the top ends of the support columns and is used for supporting the end sockets or the tube plates in a supporting mode, and the support columns are supported and reinforced with the bottom plate through the support plates.
Advantageous effects
The invention can simulate the tube pass structure of the high-pressure heater, detect the elastoplastic strain data of the corresponding part through the elastoplastic detection strain gauge, and can be used for verifying the reliability of equipment when the tube plate thickness is reduced on the basis of the existing standard design by applying the elastoplastic analysis design method, thereby providing data support for the improvement and improvement of the design of the high-pressure heater based on elastoplastic theory analysis in the later period. The hand hole structure is arranged on the seal head, so that the interior of the seal head chamber can be cleaned and subjected to rust prevention after each test is finished, and the service life of the equipment and the detection accuracy are improved.
Drawings
Fig. 1 is a schematic diagram of a front view structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic rear view of the present invention.
Detailed Description
The application will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
The elastoplasticity detection scaling machine for the high-pressure heater as shown in figures 1-3 comprises a hemispherical head 1 and a tube plate 2, wherein the head 1 and the tube plate 2 are connected to form a head chamber.
As shown in fig. 2, the arc top of the seal head 1 is provided with a hand hole seat 4, the hand hole seat 4 is welded with a flange plate 5, and the hollow cavity is communicated to form a hand hole 6. The other end of the flange plate 5 is connected with the flange cover 13 through bolts and nuts to be used for plugging the hand hole 6, and the flange cover 13 is provided with a handle 11, so that the flange cover 13 is convenient to detach. The structure of the hand hole 6 at the arc top position of the seal head 1 is arranged, so that the interior of the seal head chamber can be cleaned and subjected to rust prevention after each test is completed. The seal head 1 is provided with a pressure gauge mounting seat 8 and a safety valve mounting seat 9 for mounting the pressure gauge and the safety valve. Lifting lugs 10 are respectively arranged at the upper ends of the tube plate 2 and the flange plate 5 and are used for lifting the sample machine.
As shown in fig. 2 and 3, the upper tube distribution area and the lower tube distribution area of the tube plate 2 are fully distributed with heat exchange tubes 3 communicated with the end enclosure chamber, and one end of each heat exchange tube 3, which is far away from the end enclosure chamber, is plugged by a plug 7. The upper tube distribution area and the lower tube distribution area are mutually spaced to form a non-tube distribution area, the upper tube distribution area and the lower tube distribution area are symmetrical relative to the non-tube distribution area, and the non-tube distribution area extends along the radial direction of the tube plate 2.
Elastic plastic detection strain gauges (not shown in the figure) are respectively stuck on the cambered surface of the seal head 1, the joint of the seal head 1 and the tube plate 2, the non-cloth area outside the tube plate 2, and the peripheral edges of the upper cloth area and the lower cloth area of the tube plate 2, and the elastic plastic detection strain data of the corresponding parts can be detected through the elastic plastic detection strain gauges.
The bottom of the seal head 1 and the bottom of the tube plate 2 are respectively provided with a supporting seat 12, the supporting seat 12 comprises a bottom plate, supporting columns, a backing plate and a supporting plate, the supporting columns are fixed on the bottom plate, the backing plate is fixed on the top ends of the supporting columns and is used for supporting the seal head 1 or the tube plate 2 in a backing mode, and the supporting columns and the bottom plate are supported and reinforced through the supporting plates.
Claims (8)
1. The utility model provides a high-pressure heater elastoplasticity detects shrinkage ratio model machine, includes hemisphere head (1) and tube sheet (2), head (1) and tube sheet (2) are connected and are formed the head room, last cloth district and lower cloth district of tube sheet (2) are covered with heat transfer pipe (3) with the head room intercommunication, go up cloth district and form non-cloth district with mutual interval between the lower cloth district, its characterized in that: the arc top of head (1) is equipped with hand hole seat (4), hand hole seat (4) are connected and cavity intercommunication forms hand hole (6) with ring flange (5), ring flange (5) are connected shutoff hand hole (6) with flange cover (13), head (1) cambered surface, head (1) and tube sheet (2) junction, tube sheet (2) outside non-cloth district, tube sheet (2) go up cloth district and lower cloth district peripheral reason is provided with elastoplasticity detection strain gauge.
2. The high pressure heater elastoplastic test scaled machine of claim 1, wherein: one end of the heat exchange tube (3) far away from the end enclosure chamber is plugged by a plug (7).
3. The high pressure heater elastoplastic test scaled machine of claim 1, wherein: the seal head (1) is provided with a pressure gauge mounting seat (8) and a safety valve mounting seat (9).
4. The high pressure heater elastoplastic test scaled machine of claim 1, wherein: lifting lugs (10) are respectively arranged at the upper ends of the tube plate (2) and the flange plate (5).
5. The high pressure heater elastoplastic test scaled machine of claim 1, wherein: the upper tube distribution area and the lower tube distribution area are symmetrical relative to the non-tube distribution area, and the non-tube distribution area extends along the radial direction of the tube plate (2).
6. The high pressure heater elastoplastic test scaled machine of claim 1, wherein: the flange plate (5) and the flange cover (13) are tightly screwed and fixed through bolts and nuts.
7. The high pressure heater elastoplastic test scaled machine of claim 1, wherein: the flange cover (13) is provided with a handle (11).
8. The high pressure heater elastoplastic test scaled machine of claim 1, wherein: the support base (12) is installed respectively in head (1) and tube sheet (2) bottom, supporting seat (12) are including bottom plate, support column, backing plate and backup pad, the support column is fixed in on the bottom plate, the backing plate is fixed in the support column top and fills up and prop head (1) or tube sheet (2), support through the backup pad between support column and the bottom plate and strengthen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554476.4A CN109799104B (en) | 2018-12-18 | 2018-12-18 | Elastic-plastic detection scaling machine for high-pressure heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554476.4A CN109799104B (en) | 2018-12-18 | 2018-12-18 | Elastic-plastic detection scaling machine for high-pressure heater |
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| Publication Number | Publication Date |
|---|---|
| CN109799104A CN109799104A (en) | 2019-05-24 |
| CN109799104B true CN109799104B (en) | 2024-05-31 |
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| CN201811554476.4A Active CN109799104B (en) | 2018-12-18 | 2018-12-18 | Elastic-plastic detection scaling machine for high-pressure heater |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1110264A (en) * | 1997-06-18 | 1999-01-19 | Sumitomo Light Metal Ind Ltd | Method for linking thin metallic tube by hydraulic expansion onto inner surface of existing heat transfer tube of multi-tube type heat exchanger and apparatus therefor and thin titanium tube used for lining by hydraulic expansion |
| JP2012141283A (en) * | 2010-12-14 | 2012-07-26 | Kobe Steel Ltd | Transformation plasticity coefficient measuring apparatus and method for measuring transformation plasticity coefficient |
| CN103545000A (en) * | 2013-10-21 | 2014-01-29 | 中国核动力研究设计院 | Secondary-side passive residual heat discharging heat exchanger simulation device and method |
| JP2014081310A (en) * | 2012-10-17 | 2014-05-08 | Nippon Steel & Sumitomo Metal | Forming temperature evaluation method and forming temperature evaluation system |
| CN106198206A (en) * | 2016-09-12 | 2016-12-07 | 湘潭大学 | A kind of thin film high temperature mechanical property measuring device and method |
| CN106503390A (en) * | 2016-11-09 | 2017-03-15 | 中国石油大学(华东) | A kind of creep fatigue strength design of plate-fin heat exchanger |
| CN107355264A (en) * | 2017-08-14 | 2017-11-17 | 上海电气电站设备有限公司 | The simplified evaluation method that the plasticity that a kind of high-pressure heater prevents collapses |
| CN209085965U (en) * | 2018-12-18 | 2019-07-09 | 上海市特种设备监督检验技术研究院 | Model machine is compared in the detection contracting of high-pressure heater elastoplasticity |
-
2018
- 2018-12-18 CN CN201811554476.4A patent/CN109799104B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1110264A (en) * | 1997-06-18 | 1999-01-19 | Sumitomo Light Metal Ind Ltd | Method for linking thin metallic tube by hydraulic expansion onto inner surface of existing heat transfer tube of multi-tube type heat exchanger and apparatus therefor and thin titanium tube used for lining by hydraulic expansion |
| JP2012141283A (en) * | 2010-12-14 | 2012-07-26 | Kobe Steel Ltd | Transformation plasticity coefficient measuring apparatus and method for measuring transformation plasticity coefficient |
| JP2014081310A (en) * | 2012-10-17 | 2014-05-08 | Nippon Steel & Sumitomo Metal | Forming temperature evaluation method and forming temperature evaluation system |
| CN103545000A (en) * | 2013-10-21 | 2014-01-29 | 中国核动力研究设计院 | Secondary-side passive residual heat discharging heat exchanger simulation device and method |
| CN106198206A (en) * | 2016-09-12 | 2016-12-07 | 湘潭大学 | A kind of thin film high temperature mechanical property measuring device and method |
| CN106503390A (en) * | 2016-11-09 | 2017-03-15 | 中国石油大学(华东) | A kind of creep fatigue strength design of plate-fin heat exchanger |
| CN107355264A (en) * | 2017-08-14 | 2017-11-17 | 上海电气电站设备有限公司 | The simplified evaluation method that the plasticity that a kind of high-pressure heater prevents collapses |
| CN209085965U (en) * | 2018-12-18 | 2019-07-09 | 上海市特种设备监督检验技术研究院 | Model machine is compared in the detection contracting of high-pressure heater elastoplasticity |
Non-Patent Citations (1)
| Title |
|---|
| 蛇形管高压加热器集管结构的热弹性分析;陈宝星等;电站辅机;第1-2页 * |
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| CN109799104A (en) | 2019-05-24 |
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