CN218781680U - Tail supporting plate suitable for U-shaped shell-and-tube molten salt heat exchanger - Google Patents
Tail supporting plate suitable for U-shaped shell-and-tube molten salt heat exchanger Download PDFInfo
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- CN218781680U CN218781680U CN202222404255.7U CN202222404255U CN218781680U CN 218781680 U CN218781680 U CN 218781680U CN 202222404255 U CN202222404255 U CN 202222404255U CN 218781680 U CN218781680 U CN 218781680U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
A tail supporting plate applicable to a U-shaped shell-and-tube molten salt heat exchanger relates to a molten salt heat exchanger. The utility model relates to a current U type shell and tube fused salt heat exchanger's afterbody backup pad's design is unfavorable for the abundant heat transfer of fused salt, leads to the fused salt to condense, is unfavorable for the problem of arranging salt. The utility model discloses a afterbody backup pad suitable for U type shell-and-tube fused salt heat exchanger radially installs inside U type shell-and-tube fused salt heat exchanger's casing, and afterbody backup pad is the circular slab, and it has a plurality of heat exchange tube supported holes I and two through-flow mouths I to open on it; a U-shaped heat exchange tube bundle in the U-shaped shell-and-tube molten salt heat exchanger is inserted into a heat exchange tube supporting hole I of the tail supporting plate; the two through flow ports I are arranged in a central symmetry mode, one through flow port I is communicated with a fused salt upper-layer heat exchange area in the U-shaped shell-and-tube fused salt heat exchanger, and the other through flow port I is communicated with a fused salt lower-layer heat exchange area in the U-shaped shell-and-tube fused salt heat exchanger. The utility model discloses the vortex of mainly used fused salt.
Description
Technical Field
The utility model relates to a fused salt heat exchanger especially relates to a afterbody backup pad suitable for U type shell and tube fused salt heat exchanger.
Background
The fused salt heat exchanger is widely applied to the fields of solar photo-thermal power generation, energy storage, industrial steam supply and the like, wherein the shell-and-tube U-shaped tube fused salt heat exchanger is common, fused salt flows on the shell side as a working medium, and carries out dividing wall heat exchange with fluid in the tube under the disturbance of the baffle plate, the tail support of the U-shaped tube generally adopts a fully-supported closed circular plate, and the fused salt and the bent section heat exchange of the tail of the U-shaped tube are insufficient, so that the fused salt is easy to condense and is not beneficial to the problem of salt discharge.
Disclosure of Invention
The utility model discloses the technical problem that needs to solve is: the design form of the tail supporting plate of the existing U-shaped shell-and-tube molten salt heat exchanger is not beneficial to the sufficient heat exchange of molten salt, so that the molten salt is condensed and the problem of salt discharge is not facilitated; and further provides a tail support plate suitable for the U-shaped shell-and-tube molten salt heat exchanger.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a tail supporting plate suitable for a U-shaped shell-and-tube molten salt heat exchanger is radially arranged inside a shell of the U-shaped shell-and-tube molten salt heat exchanger and is a circular plate, and a plurality of heat exchange tube supporting holes I and two through flow ports I are formed in the circular plate; a U-shaped heat exchange tube bundle in the U-shaped shell-and-tube molten salt heat exchanger is inserted into a heat exchange tube supporting hole I of the tail supporting plate; the two through flow ports I are arranged in a central symmetry mode, one through flow port I is communicated with a fused salt upper-layer heat exchange area in the U-shaped shell-and-tube fused salt heat exchanger, and the other through flow port I is communicated with a fused salt lower-layer heat exchange area in the U-shaped shell-and-tube fused salt heat exchanger.
Furthermore, the through-flow opening I is a notch cut along one end part of the tail supporting plate.
Furthermore, the through-flow opening I communicated with the fused salt upper heat exchange area is positioned at the upper left corner of the tail support plate, and the through-flow opening I communicated with the fused salt lower heat exchange area is positioned at the lower right corner of the tail support plate.
Furthermore, the bottom of the tail supporting plate is provided with a salt discharge groove I.
A tail supporting plate suitable for a U-shaped shell-and-tube molten salt heat exchanger is radially arranged inside a shell of the U-shaped shell-and-tube molten salt heat exchanger and is a circular plate, a through-flow port II is formed in the middle of the tail supporting plate, the through-flow port II is divided into an upper through-flow port I and a lower through-flow port I by a longitudinal partition plate, the upper through-flow port I is communicated with an upper-layer heat exchange area of molten salt, and the lower through-flow port I is communicated with a lower-layer heat exchange area of the molten salt; and a plurality of heat exchange tube supporting holes II are formed around the through flow opening II, and the tubes of the U-shaped heat exchange tube bundle are inserted into the heat exchange tube supporting holes II of the tail supporting plate.
Furthermore, the through-flow opening II is rectangular and is transversely arranged.
Furthermore, the bottom of the tail supporting plate is provided with a salt discharge groove II.
A tail supporting plate suitable for a U-shaped shell-and-tube molten salt heat exchanger is radially arranged inside a shell of the U-shaped shell-and-tube molten salt heat exchanger and is a circular plate, a through-flow port III is formed in each of the left end and the right end of the tail supporting plate, the through-flow ports III in the left end and the right end are divided into an upper through-flow port II and a lower through-flow port II by longitudinal partition plates, the two upper through-flow ports II are communicated with an upper-layer heat exchange area of molten salt, and the two lower through-flow ports II are communicated with a lower-layer heat exchange area of molten salt; and the rest part of the tail supporting plate except the position of the through flow port III is provided with a plurality of heat exchange tube supporting holes III, and the tubes of the U-shaped heat exchange tube bundle are inserted into the heat exchange tube supporting holes III of the tail supporting plate.
Furthermore, through-flow mouth III be the rectangle, rectangular through-flow mouth III sets up longitudinally, and rectangular through-flow mouth III is along the rectangle notch that one end tip of afterbody backup pad opened out.
Furthermore, the bottom of the tail supporting plate is provided with a salt discharge groove III.
Compared with the prior art, the utility model the beneficial effect who produces is:
this application sets up the through-flow hole in the afterbody backup pad for during the fused salt can circulate smoothly to fused salt afterbody heat transfer area, and carry out abundant heat transfer with the bent part of the heat exchange tube bank in the fused salt afterbody heat transfer area, the afterbody backup pad not only has the supporting role to the heat exchange tube bank, still has the function of baffling board, can promote the heat transfer effect of fused salt at the heat exchanger afterbody, prevents that the fused salt from being detained in the casing bottom, does benefit to the fused salt and discharges.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this application.
FIG. 1 is an external structure schematic diagram of a U-shaped shell-and-tube molten salt heat exchanger;
FIG. 2 is a front sectional view of a U-shaped shell-and-tube molten salt heat exchanger in example 1;
FIG. 3 is a view taken along line A of FIG. 2;
FIG. 4 is a view taken along the line B in FIG. 2;
FIG. 5 is a top or bottom view of a U-shaped shell and tube molten salt heat exchanger of example 2;
FIG. 6 is a schematic structural view of a tail support plate in embodiment 1;
FIG. 7 is a schematic view showing the structure of a rear support plate in embodiment 2;
fig. 8 is a schematic structural view of a tail support plate in embodiment 3.
Description of the reference numerals: 1. a housing; 101. a molten salt intermediate heat transfer zone; 102. a molten salt tail heat exchange zone; 103. a molten salt upper heat exchange zone; 104. a molten salt lower heat exchange zone; 2. a U-shaped heat exchange tube bundle; 3. a tube sheet; 4. a longitudinal partition; 5. a baffle plate; 501. a baffle plate I; 502. a baffle plate II; 6. a heat exchange working medium inlet; 7. a heat exchange working medium outlet; 8. a molten salt inlet; 9. a molten salt outlet; 12. a tail support plate; 1201. a heat exchange tube supporting hole I; 1202. a through flow port I; 1203. a salt discharge tank I; 1204. a through flow port II; 1205. a heat exchange tube supporting hole II; 1206. a salt discharge groove II; 1207. a through flow port III; 1208. a heat exchange tube supporting hole III; 1209. and a salt discharge tank III.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments, and the following embodiments are used to illustrate the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Since the three tail supporting plates are all suitable for the U-shaped shell-and-tube molten salt heat exchanger, but different tail supporting plates are suitable for different baffle plate arrangement forms, the application lists three embodiments to explain the application in detail.
Example 1, a first arrangement of baffles suitable for use in a U-shell tube and salt heat exchanger:
referring to fig. 1, 2, 3, 4 and 6, the U-shaped shell-and-tube molten salt heat exchanger in the embodiment includes a shell 1, a plurality of U-shaped heat exchange tube bundles 2, a tube sheet 3, a longitudinal partition plate 4, a plurality of baffle plates 5, a heat exchange working medium inlet 6, a heat exchange working medium outlet 7, a molten salt inlet 8, a molten salt outlet 9 and a tail support plate 12, wherein the shell 1 is of a cylindrical structure, the left side of the tube sheet 3 is a heat exchange working medium inlet and outlet region, the heat exchange working medium inlet and outlet region is a cylindrical cavity structure, the right side of the tube sheet 3 is welded with a port of the shell 1, the tail support plate 12 is radially installed in the shell 1 and mainly divides the shell 1 into two regions, namely, a molten salt intermediate heat exchange region 101 and a molten salt tail heat exchange region 102, that is the molten salt intermediate heat exchange region 101 between the tail support plate 12 and the tube sheet 3, and the tail support plate 12 and the tail of the shell 1 form the molten salt heat exchange region 102; the plurality of groups of U-shaped heat exchange tube bundles 2 are arranged in a fused salt middle heat exchange region 101 and a fused salt tail heat exchange region 102 of the shell 1 and are supported by a plurality of baffle plates 5 and a tail supporting plate 12; the pipe orifice of the U-shaped heat exchange pipe bundle 2 is connected to the pipe plate 3, the inlet of the U-shaped heat exchange pipe bundle 2 is communicated with the heat exchange working medium inlet 6, and the outlet of the U-shaped heat exchange pipe bundle 2 is communicated with the heat exchange working medium outlet 7;
the heat exchange working medium inlet and outlet area is provided with a pass partition plate along the direction of the central axis, the pass partition plate partitions the heat exchange working medium inlet and outlet area into a heat exchange working medium inlet area and a heat exchange working medium outlet area, the heat exchange working medium inlet 6 is communicated with the heat exchange working medium inlet area, and the heat exchange working medium outlet 7 is communicated with the heat exchange working medium outlet area; the molten salt middle heat exchange zone 101 is provided with a longitudinal partition plate 4 along the central axis direction, the longitudinal partition plate 4 divides the molten salt middle heat exchange zone 101 into a molten salt upper heat exchange zone 103 and a molten salt lower heat exchange zone 104, a molten salt inlet 8 is communicated with the molten salt upper heat exchange zone 103, a molten salt outlet 9 is communicated with the molten salt lower heat exchange zone 104, and the molten salt inlet 8 and the molten salt outlet 9 are arranged in a vertically opposite manner;
the baffle plates 5 are radially arranged in the fused salt middle heat exchange zone 101 of the shell 1, and the baffle plates 5 are arranged side by side, left and right in turn; the baffle plates 5 are used for disturbing the molten salt flowing process and achieving the purpose of full heat exchange on one hand, and are used for supporting the U-shaped heat exchange tube bundle 2 and the longitudinal partition plates 4 on the other hand;
the tail support plate 12 is used for supporting the tail of the U-shaped heat exchange tube bundle 2, a plurality of heat exchange tube support holes I1201 are formed in the tail support plate 12, and tubes of the U-shaped heat exchange tube bundle 2 are inserted into the heat exchange tube support holes I1201 of the tail support plate 12; a salt discharge groove I1203 is formed in the bottom of the tail supporting plate 12, so that the molten salt is prevented from being retained at the bottom of the shell, and the molten salt is discharged conveniently; two through-flow openings I1202 are formed in the tail supporting plate 12, and the through-flow openings I1202 are notches cut along one end portion of the tail supporting plate; the two through flow ports I1202 are arranged in a central symmetry mode, one through flow port I1202 is communicated with the upper molten salt heat exchange region 103, the other through flow port I1202 is communicated with the lower molten salt heat exchange region 104, the through flow port I1202 communicated with the upper molten salt heat exchange region 103 is located at the upper left corner of the tail supporting plate, and the through flow port I1202 communicated with the lower molten salt heat exchange region 104 is located at the lower right corner of the tail supporting plate. It should be noted that the U-shaped heat exchange tube bundle 2 is not supported at the position where the flow port i 1202 is opened on the rear support plate 12.
In the embodiment, the heat exchange working medium sequentially passes through the heat exchange working medium inlet 6 and the heat exchange working medium inlet area to enter the plurality of groups of U-shaped heat exchange tube bundles 2, and then sequentially passes through the heat exchange working medium outlet area and the heat exchange working medium outlet 7 from the U-shaped heat exchange tube bundles 2 to be discharged; molten salt enters the molten salt upper heat exchange area 103 through the molten salt inlet 8 and is discharged through the molten salt tail heat exchange area 102, the molten salt lower heat exchange area 104 and the molten salt outlet 9 in sequence, and when the molten salt passes through the molten salt upper heat exchange area 103, the molten salt tail heat exchange area 102 and the molten salt lower heat exchange area 104, the molten salt fully exchanges heat with the heat exchange working medium through the disturbance of the plurality of baffle plates 5 and the disturbance of the tail support plate 12, and the purpose of heat exchange is achieved. The specific disturbance process is as follows: when molten salt enters the molten salt upper heat exchange zone 103, the baffle plates 5 are arranged in a left-right sequence in an alternating mode, so that the molten salt is in a wave-shaped flowing mode and generates disturbance, when the molten salt passes through the tail supporting plate 12, the molten salt firstly enters the molten salt tail heat exchange zone 102 through the through-flow opening I1202 communicated with the molten salt upper heat exchange zone 103 and fully exchanges heat with the tail bent section of the U-shaped heat exchange tube bundle 2 in the molten salt tail heat exchange zone 102, and then enters the molten salt lower heat exchange zone 104 through the through-flow opening I1202 communicated with the molten salt lower heat exchange zone 104, and as the baffle plates 5 of the molten salt lower heat exchange zone 104 are also arranged in a left-right sequence in an alternating mode, the molten salt still is in a wave-shaped flowing mode and generates disturbance, and the purpose of fully exchanging heat is achieved.
The tail support plate 12 in the embodiment is used as both the support plate of the U-shaped heat exchange tube bundle and the baffle plate, and has a turbulent flow effect on molten salt.
Example 2, a second arrangement of baffles suitable for use in a U-shell tube and salt heat exchanger:
referring to fig. 1, fig. 2, fig. 5 and fig. 7, the present embodiment is different from embodiment 1 in that the U-shaped shell-and-tube molten salt heat exchanger applied in the present embodiment is formed by alternately arranging two sets of baffles of different forms, wherein one set of baffles is formed by a single baffle i 501, the baffle i 501 is radially installed in the middle of the molten salt middle heat exchange region 101 of the shell 1, and two ends of the baffle i 501 and inner side walls of two sides of the molten salt middle heat exchange region 101 form a flow guide channel i respectively; the other group of baffle plates consists of two baffle plates II 502, the two baffle plates II 502 are radially arranged on the left side and the right side in the fused salt middle heat exchange zone 101, and a flow guide channel II is formed between the two baffle plates II 502;
a through-flow opening II 1204 is formed in the middle of the tail support plate 12 in the embodiment, the through-flow opening II 1204 is rectangular and large in size, and the rectangular through-flow opening II 1204 is transversely arranged; the through-flow port II 1204 is divided into an upper through-flow port I and a lower through-flow port I by a longitudinal partition plate 4, the upper through-flow port I is communicated with the fused salt upper heat exchange zone 103, and the lower through-flow port I is communicated with the fused salt lower heat exchange zone 104; the U-shaped heat exchange tube bundle 2 is not supported at the position of the through flow port II 1204 arranged on the tail supporting plate 12; a plurality of heat exchange tube supporting holes II 1205 are formed around the through-flow opening II 1204, the tubes of the U-shaped heat exchange tube bundle 2 are inserted into the heat exchange tube supporting holes II 1205 of the tail supporting plate 12, and the bottom of the tail supporting plate 12 is provided with a salt discharge groove II 1206, so that the detention of the fused salt at the bottom of the shell is prevented, and the fused salt is discharged conveniently.
In this embodiment, the molten salt enters the molten salt upper heat exchange area 103 through the molten salt inlet 8, and then sequentially passes through the molten salt tail heat exchange area 102, the molten salt lower heat exchange area 104, and the molten salt outlet 9 to be discharged, and when the molten salt passes through the molten salt upper heat exchange area 103, the molten salt tail heat exchange area 102, and the molten salt lower heat exchange area 104, the molten salt fully exchanges heat with the heat exchange working medium through the disturbance of the plurality of baffle plates 5 and the disturbance of the tail support plate 12, so that the purpose of heat exchange is achieved. The specific disturbance process is as follows: when the molten salt enters the upper heat exchange zone 103 of the molten salt, two groups of baffle plates in different forms are alternately arranged, so the molten salt is in a double-wave flow form to generate disturbance, namely the molten salt enters the upper heat exchange zone 103 of the molten salt and is divided into two fluids through the baffle plate I501, the two fluids flow to the two baffle plates II 502 through the two diversion channels I respectively, the two fluids are converged into one fluid under the action of the two baffle plates II 502 and pass through the diversion channel II, the molten salt converged into the one fluid is divided into two fluids through the baffle plate I501 again, and the baffle plate 5 generates disturbance on the molten salt through the flow form; when the molten salt reaches the tail supporting plate 12, the molten salt enters the molten salt tail heat exchange region 102 through the upper through-flow port I communicated with the molten salt upper heat exchange region 103, fully exchanges heat with the tail bent section of the U-shaped heat exchange tube bundle 2 in the molten salt tail heat exchange region 102, and then enters the molten salt lower heat exchange region 104 through the lower through-flow port I communicated with the molten salt lower heat exchange region 104.
Example 3, a second arrangement of baffles, also applicable to a U-shell fused salt heat exchanger:
referring to fig. 1, 2, 5 and 8, the present embodiment is different from embodiment 2 in that a through-flow port iii 1207 is respectively formed at the left and right ends of a tail support plate 12 in the present embodiment, the through-flow port iii 1207 is rectangular, the rectangular through-flow port iii 1207 is longitudinally arranged, and the rectangular through-flow port iii 1207 is a rectangular notch formed along one end of the tail support plate; the through-flow ports III 1207 at the left end and the right end are divided into an upper through-flow port II and a lower through-flow port II by the longitudinal partition plate 4 respectively, the two upper through-flow ports II are communicated with the fused salt upper heat exchange area 103 respectively, and the two lower through-flow ports II are communicated with the fused salt lower heat exchange area 104 respectively; the U-shaped heat exchange tube bundle 2 is not supported at the position of the tail support plate 12 with the through flow port III 1207; except the position of the through flow port III 1207, a plurality of heat exchange tube supporting holes III 1208 are formed in the rest part of the tail supporting plate 12, the tubes of the U-shaped heat exchange tube bundle 2 are inserted into the heat exchange tube supporting holes III 1208 of the tail supporting plate 12, and a salt discharging groove III 1209 is formed in the bottom of the tail supporting plate 12, so that the molten salt is prevented from being retained at the bottom of the shell, and the molten salt is discharged conveniently.
In this embodiment, the molten salt enters the molten salt upper heat exchange zone 103 through the molten salt inlet 8, and then sequentially passes through the molten salt tail heat exchange zone 102, the molten salt lower heat exchange zone 104, and the molten salt outlet 9 to be discharged, and when the molten salt passes through the molten salt upper heat exchange zone 103, the molten salt tail heat exchange zone 102, and the molten salt lower heat exchange zone 104, the molten salt fully exchanges heat with the heat exchange working medium through the disturbance of the plurality of baffle plates 5 and the disturbance of the tail support plate 12, so as to achieve the purpose of heat exchange. The specific disturbance process is as follows: when the fused salt enters the fused salt upper heat exchange zone 103, two groups of baffle plates in different forms are alternately arranged, so the fused salt is in a double-wave flow form to generate disturbance, namely the fused salt enters the fused salt upper heat exchange zone 103 and is divided into two fluids through the baffle plate I501, the two fluids flow to the two baffle plates II 502 through the two flow guide channels I respectively, the two fluids are converged into one fluid under the action of the two baffle plates II 502 and pass through the flow guide channel II, the fused salt converged into one fluid is divided into two fluids through the baffle plate I501 again, and the baffle plate 5 generates disturbance on the fused salt through the flow form; when the molten salt reaches the tail supporting plate 12, the molten salt enters the molten salt tail heat exchange zone 102 through the two upper through-flow openings II communicated with the molten salt upper heat exchange zone 103, fully exchanges heat with the tail bent section of the U-shaped heat exchange tube bundle 2 in the molten salt tail heat exchange zone 102, and then enters the molten salt lower heat exchange zone 104 through the two lower through-flow openings II communicated with the molten salt lower heat exchange zone 104.
The tail support plate 12 in the embodiment 2 and the embodiment 3 are designed according to the arrangement form of the second baffle plate, the effects produced by the two baffle plates are basically the same, and the molten salt can be subjected to sufficient heat exchange with the bent part at the tail of the heat exchange tube bundle.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that various dependent claims and the features described herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. The utility model provides a afterbody backup pad suitable for U type shell and tube fused salt heat exchanger which characterized in that: the tail supporting plate is radially arranged inside a shell (1) of the U-shaped shell-and-tube molten salt heat exchanger, is a circular plate and is provided with a plurality of heat exchange tube supporting holes I (1201) and two through flow ports I (1202);
a U-shaped heat exchange tube bundle (2) in the U-shaped shell-and-tube molten salt heat exchanger is inserted into a heat exchange tube supporting hole I (1201) of a tail supporting plate; the two through-flow ports I (1202) are arranged in a central symmetry mode, one through-flow port I (1202) is communicated with a fused salt upper-layer heat exchange area (103) in the U-shaped shell-and-tube fused salt heat exchanger, and the other through-flow port I (1202) is communicated with a fused salt lower-layer heat exchange area (104) in the U-shaped shell-and-tube fused salt heat exchanger.
2. The tail support plate suitable for the U-shaped shell-and-tube molten salt heat exchanger is characterized in that: the through-flow opening I (1202) is a notch cut out along one end part of the tail supporting plate.
3. The tail support plate suitable for the U-shaped shell-and-tube molten salt heat exchanger is characterized in that: and a through-flow opening I (1202) communicated with the fused salt upper heat exchange zone (103) is positioned at the upper left corner of the tail support plate, and a through-flow opening I (1202) communicated with the fused salt lower heat exchange zone (104) is positioned at the lower right corner of the tail support plate.
4. The tail support plate suitable for the U-shaped shell-and-tube molten salt heat exchanger as claimed in claim 1, is characterized in that: the bottom of the tail supporting plate is provided with a salt discharge groove I (1203).
5. The utility model provides a afterbody backup pad suitable for U type shell and tube fused salt heat exchanger which characterized in that: the tail supporting plate is radially arranged inside a shell (1) of the U-shaped shell-and-tube molten salt heat exchanger and is a circular plate, a through-flow port II (1204) is formed in the middle of the tail supporting plate, the through-flow port II (1204) is divided into an upper through-flow port I and a lower through-flow port I by a longitudinal partition plate (4), the upper through-flow port I is communicated with a molten salt upper heat exchange zone (103), and the lower through-flow port I is communicated with a molten salt lower heat exchange zone (104); a plurality of heat exchange tube supporting holes II (1205) are formed around the through flow opening II (1204), and the tubes of the U-shaped heat exchange tube bundle (2) are inserted into the heat exchange tube supporting holes II (1205) of the tail supporting plate.
6. The tail support plate suitable for the U-shaped shell-and-tube molten salt heat exchanger is characterized in that: the through-flow opening II (1204) is rectangular, and the rectangular through-flow opening II (1204) is transversely arranged.
7. The tail support plate suitable for the U-shaped shell-and-tube molten salt heat exchanger is characterized in that: and a salt discharge groove II (1206) is formed in the bottom of the tail supporting plate.
8. The utility model provides a afterbody backup pad suitable for U type shell and tube fused salt heat exchanger which characterized in that: the tail supporting plate is radially arranged inside a shell (1) of the U-shaped shell-and-tube molten salt heat exchanger and is a circular plate, the left end and the right end of the tail supporting plate are respectively provided with a through flow port III (1207), the through flow ports III (1207) at the left end and the right end are respectively divided into an upper through flow port II and a lower through flow port II by a longitudinal partition plate (4), the two upper through flow ports II are respectively communicated with an upper molten salt heat exchange zone (103), and the two lower through flow ports II are respectively communicated with a lower molten salt heat exchange zone (104); the other parts except the position of the through flow port III (1207) on the tail supporting plate are provided with a plurality of heat exchange tube supporting holes III (1208), and the tubes of the U-shaped heat exchange tube bundle (2) are inserted into the heat exchange tube supporting holes III (1208) of the tail supporting plate.
9. The tail support plate suitable for the U-shaped shell and tube molten salt heat exchanger is characterized in that: the through-flow opening III (1207) is rectangular, the rectangular through-flow opening III (1207) is longitudinally arranged, and the rectangular through-flow opening III (1207) is a rectangular notch formed along one end part of the tail supporting plate.
10. The tail support plate suitable for the U-shaped shell-and-tube molten salt heat exchanger is characterized in that: and a salt discharge groove III (1209) is formed in the bottom of the tail supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404255.7U CN218781680U (en) | 2022-09-09 | 2022-09-09 | Tail supporting plate suitable for U-shaped shell-and-tube molten salt heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404255.7U CN218781680U (en) | 2022-09-09 | 2022-09-09 | Tail supporting plate suitable for U-shaped shell-and-tube molten salt heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218781680U true CN218781680U (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222404255.7U Active CN218781680U (en) | 2022-09-09 | 2022-09-09 | Tail supporting plate suitable for U-shaped shell-and-tube molten salt heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218781680U (en) |
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2022
- 2022-09-09 CN CN202222404255.7U patent/CN218781680U/en active Active
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