CN215572324U - Novel multi-flow graphite tube nest heat exchanger - Google Patents
Novel multi-flow graphite tube nest heat exchanger Download PDFInfo
- Publication number
- CN215572324U CN215572324U CN202122193426.1U CN202122193426U CN215572324U CN 215572324 U CN215572324 U CN 215572324U CN 202122193426 U CN202122193426 U CN 202122193426U CN 215572324 U CN215572324 U CN 215572324U
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- cavity plate
- tube
- shell
- heat exchange
- heat exchanger
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 24
- 239000010439 graphite Substances 0.000 title claims abstract description 24
- 241000555745 Sciuridae Species 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 5
- 239000010865 sewage Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 4
- 239000007770 graphite material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the field of heat exchangers, and particularly discloses a novel multi-flow graphite tube nest heat exchanger, which comprises a tube box, a fixed floating head, a shell, a squirrel cage cavity plate and an end socket which are sequentially arranged from left to right, wherein a heat exchange tube is arranged in the shell, one end of the heat exchange tube is connected with the fixed floating head, and the other end of the heat exchange tube is clamped in the squirrel cage cavity plate; the squirrel cage cavity plate comprises a plurality of cavity plate modules, each cavity plate module is provided with a plurality of holes, the holes are mutually communicated and form an internal circulation flow channel of the squirrel cage cavity plate, and each cavity plate module can stretch out and draw back in the shell; the tube box is provided with a process side inlet and a process side outlet which are separated by a pair of partition plates, the seal head is provided with a service side inlet, and the top of the shell close to the fixed floating head is provided with a service side outlet. Through the structure of squirrel cage chamber board, improved heat transfer effect, damage and damage when the heat exchange tube is flexible under different temperatures have been solved to extending structure's chamber board module, have improved the life of heat exchanger.
Description
Technical Field
The utility model belongs to the field of heat exchangers, and particularly relates to a novel multi-process graphite tube-in-tube heat exchanger.
Background
The heat exchanger is an energy-saving device for realizing heat transfer between materials, and is also called as a heat exchanger. It is widely used in chemical, petroleum, power and atomic energy industries. Its main function is to ensure the specific temperature required by the process for the medium, and at the same time, it is also one of the main equipments for raising energy utilization rate.
The stress that the heat exchange tube of current heat exchanger received under different temperatures is different, causes the damage when the heat exchange tube is tensile very easily, consequently urgently needs to develop a heat exchanger that can solve the flexible problem of heat exchange tube under the different temperatures.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel multi-flow graphite tube nest heat exchanger, which improves the heat exchange effect through the structure of a squirrel cage cavity plate, solves the problems of damage and damage of a heat exchange tube when the heat exchange tube is stretched at different temperatures through a cavity plate module with a telescopic structure, and prolongs the service life of the heat exchanger.
In order to solve the technical problem, the utility model provides a novel multi-flow graphite tube heat exchanger, which comprises a tube box, a fixed floating head, a shell, a squirrel cage cavity plate and an end socket which are sequentially arranged from left to right, wherein a heat exchange tube is arranged in the shell, one end of the heat exchange tube is connected with the fixed floating head, and the other end of the heat exchange tube is clamped in the squirrel cage cavity plate;
the squirrel cage cavity plate comprises a plurality of cavity plate modules, each cavity plate module is provided with a plurality of holes, the holes are mutually communicated and form an internal circulation flow channel of the squirrel cage cavity plate, and each cavity plate module can stretch out and draw back in the shell;
the tube box is provided with a process side inlet and a process side outlet which are separated by a pair of partition plates, the seal head is provided with a service side inlet, and the top of the shell close to the fixed floating head is provided with a service side outlet.
Further, each of the cavity plate modules corresponds to two process-side flow rates.
Furthermore, an auxiliary tube plate is arranged between the fixed floating head and the heat exchange tube, and the heat exchange tube penetrates through the auxiliary tube plate and is embedded in the fixed floating head.
Furthermore, a plurality of baffle groups penetrate through the heat exchange tube and comprise upper baffle plates and lower baffle plates, the upper baffle plates are attached to the top of the shell, and the lower baffle plates are attached to the bottom of the shell and are arranged at intervals with the upper baffle plates.
Furthermore, a sewage draining outlet is formed in the bottom of the shell, which is close to the fixed floating head, and a draining opening is formed in the top of the shell, which is close to the squirrel cage cavity plate.
Furthermore, a flange plate is arranged on the outer side of the pipe box and used for pressing the pipe box, and the flange plate is attached to the fixed floating head and the shell and fixed through bolts.
Further, the bottom of casing is equipped with a set of support.
Further, the heat exchange tube comprises a plurality of graphite tubes.
Furthermore, the squirrel cage cavity plate is connected with the heat exchange tube through an adhesive.
The utility model has the beneficial effects that:
1. by adopting the squirrel cage cavity plate structure, the heat exchange effect can be greatly increased, the heat exchange efficiency is improved, and the energy consumption is reduced.
2. Each cavity plate module in the squirrel cage cavity plate can freely stretch out and draw back in the shell, the problem of damage or damage of the graphite heat exchange tube in stretching out and drawing back due to different temperatures is solved, and the utilization rate of the heat exchanger is improved.
3. Through the arrangement of the baffle plates, in the operation process of the heat exchanger, the flow velocity of fluid passing through the baffle plate bodies is uniformly distributed in the whole cross section, so that the heat exchange efficiency and the corrosion resistance of the heat exchanger are improved, and the service life of the heat exchanger is prolonged.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a novel multi-pass graphite tube-in-tube heat exchanger according to the present invention;
FIG. 2 is a partial schematic view of the squirrel cage cavity plate of the present invention;
in the figure: 1-pipe box, 2-fixed floating head, 3-shell, 4-squirrel cage cavity plate, 40-cavity plate module, 41-hole, 42-internal circulation flow channel, 5-end socket, 6-heat exchange pipe, 7-process side inlet, 8-process side outlet, 9-partition plate, 10-service side inlet, 11-service side outlet, 12-auxiliary pipe plate, 13-upper layer baffle plate, 14-lower layer baffle plate, 15-sewage outlet, 16-evacuation port, 17-flange plate and 18-support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In a specific embodiment of the utility model, as shown in fig. 1, a novel multi-flow graphite tube heat exchanger comprises a tube box 1, a fixed floating head 2, a shell 3, a mouse cage cavity plate 4 and an end enclosure 5 which are sequentially arranged from left to right, wherein the bottom end of the shell 3 is provided with a group of brackets 18, a heat exchange tube 6 is arranged in the shell 3, the heat exchange tube 6 comprises a plurality of graphite tubes, one end of the heat exchange tube 6 is connected with the fixed floating head 2, the other end of the heat exchange tube is clamped in the mouse cage cavity plate 4, the mouse cage cavity plate 4 is connected with the heat exchange tube 6 through an adhesive, an auxiliary tube plate 12 is arranged between the fixed floating head 2 and the heat exchange tube 6, the heat exchange tube 6 passes through the auxiliary tube 12 and is embedded in the fixed floating head 2, the heat exchange tube 6 is provided with a plurality of baffle groups, the baffle groups comprise an upper baffle plate 13 and a lower baffle plate 14, the upper baffle plate 13 is attached to the top of the shell 3, the lower baffle plate 14 is attached to the bottom of the shell 3 and is spaced from the upper baffle plate 13, the tube box 1 is provided with a process side inlet 7 and a process side outlet 8 which are separated by a pair of partition plates 9, the outer side of the tube box 1 is provided with a flange plate 17, the flange plate 17 is used for tightly pressing the tube box 1, is attached to the fixed floating head 2 and the shell 3 and is fixed by bolts, the end socket 5 is provided with a service side inlet 10, the top of the shell 3 close to the fixed floating head 2 is provided with a service side outlet 11, the bottom of the shell 3 close to the fixed floating head 2 is provided with a sewage discharge outlet 15, and the top of the shell 3 close to the squirrel cage cavity plate 4 is provided with an evacuation port 16.
As shown in fig. 2, the cage cavity plate 4 includes two cavity plate modules 40 symmetrically arranged up and down, a gap is left between the cavity plate modules 40, a plurality of holes 41 are respectively formed on the two cavity plate modules 40, the plurality of holes 41 are mutually communicated and form an internal circulation flow channel 42 of the cage cavity plate 4, and both the two cavity plate modules 40 can be stretched in the housing 3; in this embodiment, four process-side flow paths are designed, and two cavity plate modules 40 are correspondingly disposed.
The novel multi-flow graphite tube-in-tube heat exchanger (hereinafter referred to as a heat exchanger) is characterized in that an auxiliary tube plate 12 at one end of the heat exchanger is fixed with a shell 3, a mouse cage cavity plate 4 at one end of the heat exchanger can freely stretch out and draw back in the shell 3, and an end socket 5 is designed into a detachable structure, so that a heat exchange tube 6 can be easily inserted into or pulled out of the shell 1, and the novel multi-flow graphite tube-in-tube heat exchanger is convenient to clean, leak and overhaul.
In order to achieve the purposes of improving the flow velocity of the shell-side fluid and enabling the shell-side fluid to vertically scour the heat exchange tubes 3, the heat exchanger is additionally provided with the baffle group so as to improve heat transfer and increase the heat transfer coefficient of the shell-side fluid.
In particular, the cage cavity plate 4 is composed of a plurality of cavity plate modules 40 of graphite material, and the number of the cavity plate modules 40 can be set according to the number of the process side flow. One cavity plate module 40 is used for each two-stroke, and each cavity plate module 40 can freely telescope in the housing 3. The flow of the heat exchanger can be set with 2, 4, 6, 8, 10 and other double-number-of-strokes, if the process requirement is to cool the 140-DEG C material to 60℃, the flow number is set to 6 strokes, the temperature to 2 strokes is 100℃, the temperature to 4 strokes is 80℃, the temperature to 6 strokes is 60℃, the linear expansion coefficients of the graphite heat exchange tube 3 are different under different temperatures, if the integrated cavity plate is used, the stress acting on each part of the cavity plate is different, the graphite material is brittle and is easy to damage, the structure of the mouse cage cavity plate 4 can freely move at different parts, the damage and damage of the heat exchange tube on extension and retraction are solved, and the service life of the heat exchanger is prolonged.
The above disclosure is only one preferred embodiment of the present invention, and certainly should not be construed as limiting the scope of the utility model, which is defined by the claims and their equivalents.
Claims (9)
1. The novel multi-flow graphite tube heat exchanger is characterized in that a tube box (1), a fixed floating head (2), a shell (3), a squirrel cage cavity plate (4) and an end socket (5) are sequentially arranged from left to right, a heat exchange tube (6) is arranged in the shell (3), one end of the heat exchange tube (6) is connected with the fixed floating head (2), and the other end of the heat exchange tube is clamped in the squirrel cage cavity plate (4);
the squirrel cage cavity plate (4) comprises a plurality of cavity plate modules (40), each cavity plate module (40) is provided with a plurality of holes (41), the holes (41) are communicated with one another and form an internal circulation flow channel (42) of the squirrel cage cavity plate (4), and each cavity plate module (40) can stretch and retract in the shell (3);
the device is characterized in that a process side inlet (7) and a process side outlet (8) are formed in the tube box (1) and are separated by a pair of partition plates (9), a service side inlet (10) is formed in the seal head (5), and a service side outlet (11) is formed in the top of the shell (3) close to the fixed floating head (2).
2. The novel multi-pass graphite tube sheet heat exchanger of claim 1, wherein there are two process side pass numbers per cavity plate module (40).
3. The novel multipass graphite tube-column heat exchanger according to claim 1, wherein an auxiliary tube sheet (12) is provided between the fixed floating head (2) and the heat exchange tubes (6), and the heat exchange tubes (6) are embedded in the fixed floating head (2) through the auxiliary tube sheet (12).
4. The novel multi-flow-path graphite tubular heat exchanger as claimed in claim 1, wherein a plurality of baffle groups are arranged on the heat exchange tubes (6) in a penetrating manner, each baffle group comprises an upper baffle plate (13) and a lower baffle plate (14), the upper baffle plate (13) is attached to the top of the shell (3), and the lower baffle plate (14) is attached to the bottom of the shell (3) and is arranged at intervals with the upper baffle plate (13).
5. The novel multi-flow graphite tube nest heat exchanger of claim 1 is characterized in that a sewage draining outlet (15) is arranged at the bottom of the shell (3) close to the fixed floating head (2), and a draining opening (16) is arranged at the top of the shell (3) close to the squirrel cage cavity plate (4).
6. The novel multipass graphite tubular heat exchanger according to claim 1, characterized in that a flange (17) is provided on the outside of the tube box (1), and the flange (17) is used for pressing the tube box (1), and is attached to the fixed floating head (2) and the shell (3) and fixed by bolts.
7. The novel multi-flow graphite shell and tube heat exchanger as claimed in claim 1, characterized in that a set of brackets (18) is provided at the bottom end of the shell (3).
8. The novel multi-flow graphite tube nest heat exchanger of claim 1 is characterized in that the heat exchange tube (6) comprises a plurality of graphite tubes.
9. The novel multipass graphite tube array heat exchanger as claimed in claim 1, wherein the squirrel cage cavity plate (4) and the heat exchange tube (6) are connected by an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122193426.1U CN215572324U (en) | 2021-09-10 | 2021-09-10 | Novel multi-flow graphite tube nest heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122193426.1U CN215572324U (en) | 2021-09-10 | 2021-09-10 | Novel multi-flow graphite tube nest heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215572324U true CN215572324U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122193426.1U Active CN215572324U (en) | 2021-09-10 | 2021-09-10 | Novel multi-flow graphite tube nest heat exchanger |
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| Country | Link |
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| CN (1) | CN215572324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115531906A (en) * | 2022-10-13 | 2022-12-30 | 安徽华星化工有限公司 | Insecticidal single compartment condenser system and implementation method thereof |
-
2021
- 2021-09-10 CN CN202122193426.1U patent/CN215572324U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115531906A (en) * | 2022-10-13 | 2022-12-30 | 安徽华星化工有限公司 | Insecticidal single compartment condenser system and implementation method thereof |
| CN115531906B (en) * | 2022-10-13 | 2024-12-13 | 安徽华星化工有限公司 | A condenser system for insecticide workshop and its implementation method |
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