CN213657585U - Shell-and-tube heat exchange equipment with obliquely arranged heat exchange tubes for pressure container - Google Patents
Shell-and-tube heat exchange equipment with obliquely arranged heat exchange tubes for pressure container Download PDFInfo
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- CN213657585U CN213657585U CN202021923170.4U CN202021923170U CN213657585U CN 213657585 U CN213657585 U CN 213657585U CN 202021923170 U CN202021923170 U CN 202021923170U CN 213657585 U CN213657585 U CN 213657585U
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Abstract
The utility model relates to a shell-and-tube heat exchange device with obliquely arranged heat exchange tubes for a pressure container, belonging to the technical field of heat exchange devices, which comprises a shell, the shell comprises a shell pass cylinder, a left tube box and a right tube box which are fixedly arranged at two ends of the shell pass cylinder and form a seal with the shell pass cylinder, a tube plate is fixedly arranged at the connecting position of the shell side cylinder, the left tube box and the right tube box, a plurality of heat exchange tubes are fixedly arranged on the tube plate, the heat exchange tubes are communicated with the left tube box and the right tube box after passing through the tube plate, a steam inlet and a steam outlet which are opposite to each other are communicated on the shell, a plurality of groups of baffle plates which are opposite to each other are arranged between the steam inlet and the steam outlet in the shell, and be provided with between steam inlet and the steam outlet with shells inner wall fixed connection's shell side baffle, the shell side baffle is located between steam inlet and the line of steam outlet, the utility model discloses the effect that improves heat exchange efficiency has.
Description
Technical Field
The utility model belongs to the technical field of indirect heating equipment's technique and specifically relates to a shell and tube formula indirect heating equipment that heat exchange tube slope was arranged for pressure vessel is related to.
Background
The heat exchange equipment is widely applied to oil refining, chemical engineering, light industry, pharmacy, machinery, food processing, Dongli and atomic energy industrial departments. Generally, in equipment investment of some chemical plants, the heat exchanger accounts for 30% of the total investment; in modern refineries, the heat exchanger accounts for more than about 40% of the total process equipment investment; in the industrial production of sea water desalination, almost all equipment consists of heat exchangers. The advancement, rationality and operational reliability of the heat exchanger directly affect the quality, quantity and cost of the product.
The existing Chinese patent with the reference publication number of CN209085397U discloses a baffling floating head heat exchanger, which comprises a shell, wherein two mounting plates are arranged in a clamp handle, and a plurality of horizontal heat exchange tubes are arranged between the two mounting plates.
The above prior art solutions have the following drawbacks: when the heat exchanger is used, fluid passes through the heat exchange tube, steam flows in the shell, and heat exchange is realized through contact of the steam and the heat exchange tube. But because the inner cavity of the shell is large, the steam has a single flow path inside the shell and has low contact heat exchange efficiency with the heat exchange pipe.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pressure vessel is with shell and tube formula indirect heating equipment that heat exchange tube slope was arranged, it has the effect that improves heat exchange efficiency.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the shell-and-tube heat exchange equipment comprises a shell, wherein the shell comprises a shell pass cylinder, a left tube box and a right tube box which are fixedly arranged at two ends of the shell pass cylinder and form a seal with the shell pass cylinder, tube plates are fixedly arranged at the connecting positions of the shell pass cylinder, the left tube box and the right tube box, a plurality of heat exchange tubes are fixedly arranged on the tube plates, the heat exchange tubes are communicated with the left tube box and the right tube box after passing through the tube plates, a steam inlet and a steam outlet which are opposite to each other are communicated on the shell, a plurality of groups of baffle plates which are opposite to each other are arranged in the shell between the steam inlet and the steam outlet, a shell pass partition plate fixedly connected with the inner wall of the shell is arranged between the steam inlet and the steam outlet, and the shell pass partition.
Through adopting above-mentioned technical scheme, the fluid that needs the heat transfer flows inside the casing, and can pass through many heat exchange pipes intraduct, and inside heat transfer medium got into shell side drum from steam inlet, because the setting of shell side baffle, make heat transfer medium can't directly discharge from steam outlet, therefore heat transfer medium is behind contacting shell side baffle, can reverse flow, and under the guide effect of baffling board, can fall into various flow directions with heat transfer medium, thereby make heat transfer medium can increase the area of contact with the heat exchange tube when flowing in shell side drum, heat transfer area is big, the heat transfer effect improves, heat transfer medium's utilization ratio improves.
The present invention may be further configured in a preferred embodiment as: the baffle plates are provided with three groups, the distance between two baffle plates in each group is different, the shell pass partition plate is positioned between the middle group of baffle plates, and the shell pass partition plate is fixedly connected with the baffle plates.
Through adopting above-mentioned technical scheme, the baffling board sets up three groups, can fully guide the heat transfer medium in the shell side drum, make the flow direction of heat transfer medium more disperse, the heat exchange efficiency of heat transfer medium and heat exchange tube is higher, the shell side baffle is located between a set of baffling board in the middle of, therefore the heat transfer medium can be blockked the dispersion after reaching the shell side baffle for the first time, continue to flow from the tip of baffling board, then continue the dispersion under the secondary guide effect of the baffling board that is closest to steam outlet one side again, the dispersion effect of heat transfer medium has further been improved, and then make the heat exchange efficiency of heat exchange tube further improve.
The present invention may be further configured in a preferred embodiment as: the axis of the heat exchange tube and the central axis of the shell pass cylinder are arranged in an inclined included angle.
Through adopting above-mentioned technical scheme, the heat exchange tube is the slope setting, and for horizontal installation, heat exchange tube length increases, and heat transfer area increases, and the heat transfer effect improves, and heat transfer medium utilization ratio can improve.
The present invention may be further configured in a preferred embodiment as: the included angle between the heat exchange tube and the axis of the shell side cylinder is 3-8 degrees.
By adopting the technical scheme, the included angle between the heat exchange tube and the shell side cylinder is set to be 3-8 degrees, so that the installation stability and the installation convenience of the heat exchange tube can be ensured, the heat exchange effect is improved, and the inconvenience in installation caused by the overlarge inclination angle of the heat exchange tube is avoided.
The present invention may be further configured in a preferred embodiment as: the middle position of the left pipe box is fixedly provided with a partition board which divides the left pipe box into an upper part and a lower part, and the two sides of the partition board of the left pipe box are sequentially communicated with a liquid inlet pipe and a liquid outlet pipe.
By adopting the technical scheme, after liquid needing heat exchange enters the left tube box from the liquid inlet tube, the liquid enters the right tube box along the heat exchange tube after passing through the shell side cylinder, then enters a new heat exchange tube from the right tube box, passes through the shell side cylinder again, enters the area of the left tube box below the isolation plate, and is finally discharged from the liquid outlet tube, so that the liquid needing heat exchange can flow twice through the interior of the shell side cylinder, and the heat exchange effect is improved.
The present invention may be further configured in a preferred embodiment as: the pipe diameter of the heat exchange pipe is 48mm-55 mm.
By adopting the technical scheme, the pipe diameter of the heat exchange pipe is designed to be 48-55mm, when the liquid needing heat exchange is the crystallization-containing fluid, the possibility of blocking in the heat exchange pipe can be reduced, and meanwhile, the manufacturing cost is saved.
The present invention may be further configured in a preferred embodiment as: and a condensate discharge pipe is connected to the position of the steam outlet.
Through adopting above-mentioned technical scheme, among the heat transfer process, the condensate liquid that heat transfer medium produced can be followed the condensate discharge pipe and discharged to make heat transfer medium can recycle, reduce extravagantly.
To sum up, the utility model discloses a beneficial technological effect does:
1. the heat exchange medium can be quickly diffused in the shell-side cylinder by arranging a plurality of groups of baffle plates which are opposite to each other and a shell-side partition plate which directly separates the steam inlet from the steam outlet between the steam inlet and the steam outlet, so that the contact area and the contact efficiency of the heat exchange medium and the heat exchange pipe are improved, and the heat exchange efficiency is further improved;
2. the heat exchange tube is arranged to be inclined, so that the heat exchange area is increased, and the heat exchange effect is further improved;
3. through set up the division board in left side pipe case for inside the liquid that needs the heat transfer can twice pass through shell side drum, improve the heat transfer number of times, and then improve the heat transfer effect.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
fig. 2 is a sectional view of the present embodiment.
In the figure, 1, a housing; 11. a shell-side cylinder; 111. a steam inlet; 112. a steam outlet; 1121. a condensate drain pipe; 12. a left tube box; 121. a separator plate; 122. a liquid inlet pipe; 123. a liquid outlet pipe; 13. a right tube box; 2. a tube sheet; 3. a heat exchange pipe; 4. a baffle plate; 5. a shell-side baffle plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a shell and tube heat transfer equipment that heat exchange tube slope was arranged for pressure vessel, including casing 1, casing 1 includes cylindric shell side drum 11 and with shell side drum 11 both ends fixed connection's left side pipe case 12 and right side pipe case 13, the intercommunication is provided with upper and lower just feed liquor pipe 122 and drain pipe 123 on the left side pipe case 12, just right steam inlet 111 and steam outlet 112 about having seted up on the shell side drum 11, the inside heat exchange tube 3 that is used for carrying the liquid that needs to trade liquid that is provided with of shell side drum 11. The liquid needing heat exchange enters the left tube box 12 from the liquid inlet pipe 122, then flows into the right tube box 13 through the heat exchange pipe 3, finally flows back to the left tube box 12 again along the heat exchange pipe 3, and is finally discharged from the liquid outlet pipe 123 after heat exchange is realized inside the shell-side cylinder 11.
As shown in fig. 2, the tube plate 2 is fixedly arranged at the connecting position of the left tube box 12 and the shell-side cylinder 11 and the connecting position of the right tube box 13 and the shell-side cylinder 11, the two ends of the heat exchange tube 3 are welded and fixed with the tube plate 2, the two ends of the heat exchange tube 3 are communicated with the left tube box 12 and the right tube box 13, the axis of the heat exchange tube 3 and the axis of the shell-side cylinder 11 are in a mutually deviated inclined shape, the inclination angle is 3 to 8 degrees, in the embodiment, the preferred inclination angle of the heat exchange tube 3 is 5 degrees, so that when liquid needing heat exchange flows through the inside of the heat exchange tube 3, the circulation path of the liquid is prolonged, the heat exchange contact area between the heat exchange tube.
As shown in fig. 2, a separation plate 121 is fixedly disposed in the left tube box 12, and the separation plate 121 is located between the liquid inlet tube 122 and the liquid outlet tube 123, and the separation plate 121 sets the inside of the left tube box 12 into two areas that are not communicated with each other, after liquid to be heat exchanged enters the inside of the left tube box 12 from the liquid inlet tube 122, the liquid only flows through the heat exchange tube 3, and then flows back to the inside of the left tube box 12 from the right tube box 13, and is finally discharged from the liquid outlet tube 123, due to the arrangement of the separation plate 121, the liquid to be heat exchanged does not directly enter the liquid outlet tube 123 from the liquid inlet tube 122, so that the liquid can flow into the heat exchange tube 3 twice and then is discharged from the liquid outlet tube 123 after.
As shown in fig. 2, a plurality of sets of baffles 4 are arranged inside the shell-side cylinder 11, each set of baffles 4 includes two baffles facing each other, and a connecting line between the two baffles 4 of each set is perpendicular to a connecting line between the steam inlet 111 and the steam outlet 112. In this embodiment, preferably three sets of baffle plates 4 are provided, and the distance between two baffle plates 4 in the middle set is greater than the distance between two opposite baffle plates 4 in the other two sets, a shell-side partition plate 5 is provided between two baffle plates 4 in the middle set, both ends of the shell-side partition plate 5 are respectively fixedly connected with two corresponding baffle plates 4, and the shell-side partition plate 5 separates a steam inlet 111 from a steam outlet 112, so that a heat exchange medium entering the shell-side cylinder 11 from the steam inlet 111 does not directly discharge from the steam outlet 112, but flows in the opposite direction after contacting the shell-side partition plate 5, and then flows between the ends of the two sets of baffle plates 4, so that the heat exchange medium can be fully diffused inside the shell-side cylinder 11 and finally discharged from the steam outlet 112, the flow path of the heat exchange medium is greatly extended, and the contact sufficiency of the heat exchange medium and the heat exchange tube 3 is improved, thereby improving the heat exchange efficiency and the heat exchange effect.
As shown in fig. 2, a condensate drain tube 1121 is disposed in communication with the steam outlet 112, so that the condensed heat exchange medium can be discharged from the condensate drain tube 1121 for collection.
The implementation principle of the embodiment is as follows: liquid needing heat exchange enters the left tube box 12 from the liquid inlet tube 122 and flows into the right tube box 13 along the inside of the heat exchange tube 3, then flows into the left tube box 12 along the heat exchange tube 3 from the right tube box 13, and is finally discharged from the liquid outlet tube 123, when the liquid needing heat exchange flows inside the heat exchange tube 3, a heat exchange medium enters the shell side cylinder 11 from the steam inlet 111, and under the shielding and guiding effects of the baffle plate 4 and the shell side partition plate 5, the heat exchange medium is fully diffused in the shell side cylinder 11, the contact area and the contact time of the heat exchange medium and the heat exchange tube 3 are improved, and therefore the heat exchange effect is greatly improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a shell and tube heat transfer equipment that heat exchange tube slope was arranged for pressure vessel, includes casing (1), and casing (1) includes shell side drum (11) and fixed set up in shell side drum (11) both ends and form sealed left side pipe case (12) and right side pipe case (13) with shell side drum (11), its characterized in that: the shell side cylinder is characterized in that a tube plate (2) is fixedly arranged at the connecting position of the shell side cylinder (11) and a left tube box (12) and a right tube box (13), a plurality of heat exchange tubes (3) are fixedly arranged on the tube plate (2), the heat exchange tubes (3) are communicated with the left tube box (12) and the right tube box (13) through the tube plate (2), a steam inlet (111) and a steam outlet (112) which are opposite to each other are communicated with the shell (1), a plurality of groups of baffle plates (4) which are opposite to each other are arranged between the steam inlet (111) and the steam outlet (112) in the shell (1), a shell side partition plate (5) fixedly connected with the inner wall of the shell (1) is arranged between the steam inlet (111) and the steam outlet (112), and the shell side partition plate (5) is positioned between connecting lines of the steam inlet (.
2. A shell and tube heat exchange device with an inclined arrangement of heat exchange tubes for a pressure vessel according to claim 1, wherein: the three groups of baffle plates (4) are arranged, the distance between the two baffle plates (4) in each group is different, the shell pass partition plate (5) is positioned between the middle group of baffle plates (4), and the shell pass partition plate (5) is fixedly connected with the baffle plates (4).
3. A shell and tube heat exchange device with an inclined arrangement of heat exchange tubes for a pressure vessel according to claim 1, wherein: the axis of the heat exchange tube (3) and the central axis of the shell side cylinder (11) are arranged in an inclined included angle.
4. A shell and tube heat exchange device with an inclined arrangement of heat exchange tubes for a pressure vessel according to claim 3, wherein: the included angle between the heat exchange tube (3) and the axis of the shell side cylinder (11) is 3-8 degrees.
5. A shell and tube heat exchange device with an inclined arrangement of heat exchange tubes for a pressure vessel according to claim 1, wherein: the middle position of the left tube box (12) is fixedly provided with a partition plate (121) which divides the left tube box (12) into an upper part and a lower part, and the two sides of the partition plate (121) of the left tube box (12) are sequentially communicated with a liquid inlet pipe (122) and a liquid outlet pipe (123).
6. A shell and tube heat exchange device with an inclined arrangement of heat exchange tubes for a pressure vessel according to claim 1, wherein: the pipe diameter of the heat exchange pipe (3) is 48-55 mm.
7. A shell and tube heat exchange device with an inclined arrangement of heat exchange tubes for a pressure vessel according to claim 1, wherein: a condensate discharge pipe (1121) is connected to the position of the steam outlet (112).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020078149 | 2020-01-14 | ||
| CN2020200781492 | 2020-01-14 |
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| Publication Number | Publication Date |
|---|---|
| CN213657585U true CN213657585U (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021923170.4U Active CN213657585U (en) | 2020-01-14 | 2020-09-05 | Shell-and-tube heat exchange equipment with obliquely arranged heat exchange tubes for pressure container |
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| CN (1) | CN213657585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992614A (en) * | 2022-06-21 | 2022-09-02 | 佛山市丰川节能科技有限公司 | Steam regeneration device, system and method for waste gas recovery |
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2020
- 2020-09-05 CN CN202021923170.4U patent/CN213657585U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992614A (en) * | 2022-06-21 | 2022-09-02 | 佛山市丰川节能科技有限公司 | Steam regeneration device, system and method for waste gas recovery |
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