CN213687982U - Fast-assembling U-shaped pipe salt water heat exchanger - Google Patents
Fast-assembling U-shaped pipe salt water heat exchanger Download PDFInfo
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- CN213687982U CN213687982U CN202022472865.1U CN202022472865U CN213687982U CN 213687982 U CN213687982 U CN 213687982U CN 202022472865 U CN202022472865 U CN 202022472865U CN 213687982 U CN213687982 U CN 213687982U
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Abstract
The utility model discloses a ready-package U-shaped pipe salt solution heat exchanger, including pipe case, pipe case flange, casing flange, locate pipe case and casing between the tube sheet and be located the casing and the U-shaped tube bank of being connected with the tube sheet, the tube sheet circumference evenly is equipped with a plurality of fastening block, and it has the through-hole to open on the fastening block, and portable the wearing to be equipped with double-screw bolt in the through-hole, the through-hole that the double-screw bolt both ends passed pipe case flange and casing flange respectively pass through flange nut and connect the fastening, and the cover is equipped with the tube sheet nut on the double-screw bolt. The utility model discloses easily fasten when its tube sheet installation, and when overhauing dismantlement pipe case/casing, be difficult not hard up between tube sheet and casing flange/pipe case flange, in addition, can the folk prescription to alternate the installation double-screw bolt, it is more convenient to install.
Description
Technical Field
The utility model relates to a U-shaped pipe heat exchanger field specifically is a ready-package U-shaped pipe salt solution heat exchanger.
Background
The U-shaped tube heat exchanger is one of shell-and-tube heat exchangers, and the heat exchange area of the U-shaped tube heat exchanger is the largest under the condition of the same diameter; the novel high-pressure sealing device is simple and compact in structure, high in sealing performance, convenient to overhaul and clean, and low in metal consumption and manufacturing cost at high temperature and high pressure. The U-shaped tube heat exchanger generally comprises a tube box, a tube plate, a shell, a U-shaped tube bundle and other parts, wherein the tube box is separated from the shell through the tube plate, the tube plate is connected with the U-shaped tube bundle after being drilled, the U-shaped tube bundle is positioned in the shell, and the tube plate is usually clamped and fixed by two flanges connected to the shell and the tube box.
In a U-shaped tube heat exchanger, the sealing between a tube plate and a shell flange is particularly important, and in the process of installing the tube plate of the heat exchanger in the prior art, the tube plate is clamped and installed by a tube box flange and the shell flange together and is not easy to tighten. In addition, when the tube box needs to be overhauled and disassembled, the sealing between the tube plate and the shell flange is loosened, so that a shell medium leaks, and in the Chinese patent document CN201921983013.X, a U-shaped tube heat exchanger anti-loosening device is disclosed. This prior art is fixed the tube sheet on the shoulder double-screw bolt through locking lug, then through the fastening of taking shoulder double-screw bolt both ends respectively with pipe case flange and casing flange, realize the tube sheet respectively with the fastening of pipe case and casing to make the dismantlement of pipe case flange and casing flange not influence each other, when having solved U-shaped pipe heat exchanger tube side and needing to overhaul and dismantle pipe case, the tube sheet can take place to relax with the sealed of shell side flange, can lead to the problem that shell side medium leakage and bolt are difficult to the fastening.
However, in the prior art, the tube plate and the threaded stud with the shoulder are fixed by the clamping groove of the anti-loosening support lug through the installation of the threaded shoulder part, if the anti-loosening support lug and the threaded stud are respectively processed, the clamping groove and the threaded stud with the shoulder part may have dimension processing errors and cannot be tightly installed, and the clamping groove and the threaded stud with the shoulder part cannot be tightly installed due to long-term wear, so that the tube plate and the shell flange are still easy to loosen when the tube box is overhauled and disassembled. And if locking journal stirrup and double-screw bolt integrated processing, can increase processing cost and the degree of difficulty. In addition, according to the prior art, the stud and the anti-loosening support lug of the tube plate can only be installed firstly, and then the two ends of the stud are connected with the tube plate and the shell flange respectively, so that the mode of penetrating through the stud in a single direction is changed, and the installation is not convenient enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve prior art's above-mentioned problem, provide a ready-package U-shaped pipe salt solution heat exchanger, easily fastening when its tube sheet installation, and when overhauing dismantlement pipe case/casing, be difficult not hard up between tube sheet and casing flange pipe case flange, in addition, can the folk prescription to alternate the installation double-screw bolt, it is more convenient to install.
The purpose of the utility model is mainly realized through the following technical scheme:
the utility model provides a ready-package U-shaped pipe salt solution heat exchanger, includes pipe case, pipe case flange, casing flange, locates the pipe sheet between pipe case and the casing and be located the casing and the U-shaped tube bank of being connected with the pipe sheet, the pipe sheet circumference evenly is equipped with a plurality of fastening block, and it has the through-hole to open on the fastening block, and the portable double-screw bolt that wears to be equipped with in the through-hole, the through-hole that the double-screw bolt both ends passed pipe case flange and casing flange respectively pass through flange nut and connect the fastening, and the cover is equipped with the pipe sheet.
Preferably, a tube plate nut is sleeved on the stud between the fastening block and the shell.
Preferably, the surface of the fastening block facing the tube box and the surface facing the shell are respectively provided with an annular thread groove concentric with the through hole, the outer surface of the tube plate nut is provided with threads, and the tube plate nut is in threaded connection with the annular thread groove.
To sum up, the utility model discloses following beneficial effect has: the fastening block with the through hole is arranged, so that the tube plate can be aligned with the shell and the tube box through the stud when the tube plate is installed, and the tube plate can be installed and fastened conveniently. By arranging the tube plate nuts on the studs on the two sides of the fastening block, when the tube box/shell needs to be overhauled and disassembled, the corresponding tube plate nuts and the fastening block can be screwed firstly, so that the tube plate and the shell flange/tube box flange are fastened, and then the corresponding flange nuts are disassembled.
Compared with the prior art, the utility model discloses only need foraminiferous fastening block of installation on the tube sheet, the double-screw bolt can adopt conventional flange double-screw bolt, and production, processing are more simple, and lead to not hard up problem after probably producing error, wearing and tearing for prior art, the utility model discloses a tube sheet nut can ensure tube sheet and casing flange/pipe case flange fastening connection through further revolving the twist tube sheet nut soon. In addition, the tube plate nut is installed on the fastening block through the annular thread groove, so that the installation mode of the stud can be unchanged, the unilaterally interpenetrated studs are used for fastening the connecting pipe box flange, the tube plate and the shell flange, and the installation is more convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a left side view of a fastening block according to an embodiment of the present invention.
In the figure: 1-tube box, 2-tube box flange, 3-shell, 4-shell flange, 5-tube plate, 6-U-shaped tube bundle, 7-fastening block, 8-stud, 9-flange nut, 10-tube plate nut, 11-annular thread groove, 12-through hole and 13-partition plate.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
It should be noted that all the directional indicators in the embodiments of the present invention, such as upper, lower, left, right, front and rear … …, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "coupled" are intended to be inclusive and mean, for example, that is, fixedly coupled, removably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
a quick-assembly U-shaped tube brine heat exchanger is shown in figure 1, the basic structure of the quick-assembly U-shaped tube brine heat exchanger is similar to that of the prior art, and the quick-assembly U-shaped tube brine heat exchanger comprises a tube box 1, a tube box flange 2, a shell 3, a shell flange 4, a tube plate 5 arranged between the tube box 1 and the shell 3, and a U-shaped tube bundle 6 which is positioned in the shell 3 and connected with the tube plate 5, wherein the tube box 1 is provided with a partition plate 13 and a heat exchange liquid inlet and outlet.
The circumference of the tube plate 5 is uniformly provided with a plurality of fastening blocks 7, the fastening blocks 7 are provided with through holes 12, studs 8 are movably arranged in the through holes 12 in a penetrating mode, two ends of each stud 8 respectively penetrate through the tube box flange 2 and the shell flange 4 to be connected and fastened through flange nuts 9, a tube plate nut 10 is sleeved on each stud 8 between the fastening block 7 and the tube box 1, and a tube plate nut 10 is also sleeved on each stud 8 between the fastening block 7 and the shell 3.
The fastening block 7 with the through hole 12 is provided to align the tube plate 5 with the shell 3 and the tube box 1 by the stud 8 when the tube plate 5 is installed, so as to facilitate the installation and fastening of the tube plate 5. By arranging the tube plate nuts 10 on the studs 8 on the two sides of the fastening block 7, when the tube box 1/the shell 3 needs to be overhauled and disassembled, the corresponding tube plate nuts 10 and the fastening block 7 can be firstly screwed, the fastening between the tube plate 5 and the shell flange 4/the tube box flange 2 is ensured, and then the corresponding flange nuts 9 are disassembled.
Compared with the prior art, the utility model discloses only need the fastening block 7 of a band-pass hole 12 of installation on tube sheet 5, double-screw bolt 8 can adopt conventional flange double-screw bolt, and production, processing are more simple, and lead to not hard up problem after probably producing error, wearing and tearing for prior art, the utility model discloses a tube sheet nut 10 can ensure tube sheet 5 and shell flange 4/pipe case flange 2 fastening connection through further revolving to twist tube sheet nut 10 soon.
Further, in order to facilitate the installation of the tube sheet 5, as shown in fig. 2 and 3, the fastening block 7 is provided with annular thread grooves 11 concentric with the through-holes 12 on one surface facing the tube box 1 and one surface facing the shell 3, respectively, and the tube sheet nut 10 is provided with threads on the outer surface thereof, and the tube sheet nut 10 is threadedly coupled to the annular thread grooves 11.
The pipe plate nut 10 is installed on one surface of the fastening block 7 facing the pipe box 1 and one surface facing the shell 3 through the annular thread groove 11, the installation mode of the stud 8 can be unchanged, the stud 8 is inserted in the single direction to fasten the pipe box flange 2, the pipe plate 5 and the shell flange 4, and installation is more convenient. When the tube box 1 needs to be maintained and disassembled, the tube plate nut 10 close to the shell 3 is firstly unscrewed from the fastening block 7, then the tube plate nut 10 close to the tube box 1 is screwed to the fastening block 7 to ensure that the tube plate 5 and the shell flange 4 are fastened, and then the corresponding flange nut 9 is disassembled; similarly, when the shell 3 needs to be overhauled and disassembled, the tube plate nut 10 close to the tube box 1 is firstly unscrewed from the fastening block 7, then the tube plate nut 10 close to the shell 3 is screwed to the fastening block 7, fastening between the tube plate 5 and the tube box flange 2 is ensured, and then the corresponding flange nut 9 is disassembled.
Parts not described in the above modes can be realized by adopting or referring to the prior art.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.
Claims (3)
1. The utility model provides a ready-package U-shaped pipe salt solution heat exchanger, includes pipe case (1), pipe case flange (2), casing (3), shell flange (4), locate pipe case (1) and casing (3) between tube sheet (5) and be located casing (3) and U-shaped tube bank (6) of being connected with tube sheet (5), its characterized in that: the pipe plate is characterized in that a plurality of fastening blocks (7) are uniformly arranged on the circumference of the pipe plate (5), through holes (12) are formed in the fastening blocks (7), studs (8) are movably arranged in the through holes (12) in a penetrating mode, the two ends of each stud (8) penetrate through the pipe box flange (2) and the shell flange (4) respectively and are connected and fastened through flange nuts (9), and pipe plate nuts (10) are sleeved on the studs (8) between the fastening blocks (7) and the pipe box (1).
2. A ready-to-install U-tube brine heat exchanger according to claim 1 wherein: and a tube plate nut (10) is also sleeved on the stud (8) between the fastening block (7) and the shell (3).
3. A ready-to-install U-tube brine heat exchanger according to claim 1 or 2, wherein: one surface of the fastening block (7) facing the tube box (1) and one surface of the fastening block facing the shell (3) are respectively provided with an annular thread groove (11) concentric with the through hole (12), the outer surface of the tube plate nut (10) is provided with threads, and the tube plate nut (10) is in threaded connection with the annular thread groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472865.1U CN213687982U (en) | 2020-10-30 | 2020-10-30 | Fast-assembling U-shaped pipe salt water heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472865.1U CN213687982U (en) | 2020-10-30 | 2020-10-30 | Fast-assembling U-shaped pipe salt water heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213687982U true CN213687982U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022472865.1U Active CN213687982U (en) | 2020-10-30 | 2020-10-30 | Fast-assembling U-shaped pipe salt water heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553598A (en) * | 2024-01-05 | 2024-02-13 | 四川化工职业技术学院 | Device for preventing gasket in U-shaped tube heat exchanger from being damaged |
-
2020
- 2020-10-30 CN CN202022472865.1U patent/CN213687982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553598A (en) * | 2024-01-05 | 2024-02-13 | 四川化工职业技术学院 | Device for preventing gasket in U-shaped tube heat exchanger from being damaged |
| CN117553598B (en) * | 2024-01-05 | 2024-03-19 | 四川化工职业技术学院 | Device for preventing gasket in U-shaped tube heat exchanger from being damaged |
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