Heat exchanger for chemical equipment
By setting up partitions and communication holes in the heat exchanger of chemical equipment, extending the flow distance between materials and media, the problem of poor heat exchange effect caused by the short flow distance of materials in existing tube heat exchangers is solved, and the heat exchange effect is significantly improved Heat exchange efficiency.
Patent Information
- Application Number
- CN202422707296.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-11-07
AI Technical Summary
The flow distance between the material and the heat exchange medium in existing tube heat exchangers is too short, resulting in poor heat exchange effect.
A heat exchanger for chemical equipment is designed. By setting a partition and a communication hole in the shell, the flow distance between the heat exchange medium and the material is extended, the heat exchange time is increased, and the heat exchange efficiency is improved. Specific measures include setting up cross-type partitions on the inner wall of the shell to form multiple spaces, and separating the inner cavity of the shell through a fixing plate and partition group, extending the flow path of medium and material.
It effectively extends the flow distance and time of the heat exchange medium and materials in the heat exchanger, and significantly improves the heat exchange effect.
Smart Images
Figure CN222143827U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat exchange equipment, and specifically discloses a heat exchanger for chemical equipment. Background Art
[0002] Heat exchangers are a type of heat exchange equipment widely used in chemical equipment. They are also called heat exchangers and play an important role in the chemical production process. Their working principle is to separate the hot and cold fluids through a solid partition, and transfer heat from the high-temperature fluid to the low-temperature fluid through the partition, thereby achieving heat exchange. From a functional point of view, heat exchangers have the functions of cooling and heating. Their cooling function is mainly achieved by using cold water or materials such as Freon to absorb and conduct heat, while the heating function is mainly achieved by adding heating media such as water vapor and heat transfer oil to the shell or tube side of the heat exchanger.
[0003] Heat exchangers are mainly divided into tubular heat exchangers and plate heat exchangers according to their structures. Tubular heat exchangers include fixed tube plate, floating head and U-tube structures, which are suitable for different working conditions and media. Plate heat exchangers are composed of a series of metal plates and have the advantages of high heat exchange efficiency, small size and light weight.
[0004] In the prior art, in order to increase the heat exchange efficiency between the heat exchange medium and the material, a baffle is usually set in the shell of a tubular heat exchanger to increase the flow time of the heat exchange medium in the shell. In this method, the material usually enters the heat exchanger from one end and flows out from the other end. The flow distance of the material in the shell is short, resulting in poor heat exchange effect between the material and the heat exchange medium. Utility Model Content
[0005] In view of the above deficiencies in the prior art, the utility model provides a heat exchanger for chemical equipment, which prolongs the flow distance of materials and heat exchange medium in the heat exchanger, increases the heat exchange time, and improves the heat exchange effect.
[0006] The technical solution adopted by the utility model to solve its technical problems is:
[0007] The heat exchanger for chemical equipment comprises a shell and fixed plates fixedly arranged at both ends of the shell, a plurality of heat exchange tubes are fixedly arranged between the two fixed plates, an inlet and outlet shell cover is fixedly arranged at one end of the shell, a sealing shell cover is fixedly arranged at the other end of the shell, the inlet and outlet shell cover is connected with a feed pipe and a discharge pipe, a partition plate 1 is arranged on the inner wall of the shell, the longitudinal section of the partition plate 1 is cross-shaped, and the partition plate 1 divides the inner cavity of the shell into four spaces on average, a heat exchange medium inlet and a heat exchange medium outlet are arranged on the shell, the heat exchange medium inlet and the heat exchange medium outlet are respectively connected with one of the spaces, a plurality of connecting holes are opened on the partition plate 1, a first partition plate group is arranged between the inlet and outlet shell cover and the fixed plate near one end of the inlet and outlet shell cover, the first partition plate group divides the inner cavity of the inlet and outlet shell cover into a plurality of spaces, and the feed pipe and the discharge pipe are respectively connected with one of the spaces.
[0008] Furthermore, the fixing plate comprises a disc, a plurality of through holes are arranged at intervals on the disc, a fixing rod is fixedly arranged in the middle of the disc, and the fixing rod and the disc are arranged vertically.
[0009] Furthermore, four slide grooves are provided on the disc to cooperate with the partition plate, the angle between two adjacent slide grooves is 90 degrees, and the slide groove is in the shape of a dovetail groove as a whole.
[0010] Furthermore, the longitudinal section of the fixing rod is square as a whole, a groove is provided on the side wall of the fixing rod, and a clearance groove is provided in the middle of the inner wall of the inlet and outlet shell cover and the sealing shell cover to cooperate with the fixing rod.
[0011] Furthermore, the first partition plate group includes three partition plates 2, and the three partition plates 2 are all arranged in the slide groove. The three partition plates 2 are T-shaped as a whole, and the three partition plates 2 divide the inner cavity of the inlet and outlet shell cover into three spaces.
[0012] Furthermore, a second partition plate group is arranged between the sealing shell cover and the fixed plate near one end of the sealing shell cover, and the second partition plate group includes two partition plates 2, both of which are arranged in the slide groove, and the angle between the two partition plates 2 is 180°. The two partition plates 2 divide the inner cavity of the sealing shell cover into two spaces.
[0013] Furthermore, the two spaces are connected to the feed pipe and the discharge pipe respectively through the heat exchange pipe.
[0014] Furthermore, the partition plate 2 is in a right-angled sector shape as a whole, the bottom end of the partition plate 2 is provided with a dovetail boss in cooperation with the slide groove, and the side wall of the partition plate 2 is provided with a boss in cooperation with the groove.
[0015] Furthermore, the arc edge of the second partition is arranged to match the inner wall of the inlet and outlet shell cover and the sealing shell cover.
[0016] Furthermore, two bases are fixedly arranged at the bottom end of the shell, and the two bases are arranged at intervals and parallel to each other.
[0017] The beneficial effects of the utility model are:
[0018] The utility model can form a circulation pipeline for the heat exchange medium in the shell through the arrangement of the partition plate and the connecting hole, thereby extending the circulation distance of the heat exchange medium in the shell; through the arrangement of the first partition plate group, the circulation distance of the material in the heat exchanger can be extended, the heat exchange time is extended, and the heat exchange effect is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 The explosion structure of the utility model is shown in FIG. Figure 1 ;
[0021] Figure 3 The explosion structure of the utility model is shown in FIG. Figure 2 ;
[0022] Figure 4 The structure of the shell, heat exchange medium inlet, heat exchange medium outlet, partition plate 1 and base of the utility model is shown in FIG. Figure 1 ;
[0023] Figure 5 The structure of the shell, heat exchange medium inlet, heat exchange medium outlet, partition plate 1 and base of the utility model is shown in FIG. Figure 2 ;
[0024] Figure 6 It is a structural schematic diagram of the fixing plate of the utility model;
[0025] Figure 7 It is a structural schematic diagram of the second partition, the dovetail boss and the boss of the utility model.
[0026] In the figure: 1. Shell; 2. Fixed plate; 3. Heat exchange tube; 4. Inlet and outlet shell cover; 5. Sealing shell cover; 6. Partition 2; 7. Heat exchange medium inlet; 8. Heat exchange medium outlet; 9. Partition 1; 10. Base; 11. Disc; 12. Through hole; 13. Fixed rod; 14. Slide groove; 15. Groove; 16. Feed pipe; 17. Discharge pipe; 18. Dovetail boss; 19. Boss. DETAILED DESCRIPTION
[0027] The utility model is described and illustrated in detail below in conjunction with the accompanying drawings.
[0028] Example 1
[0029] like Figure 1-7As shown, the heat exchanger for chemical equipment comprises a shell 1 and fixed plates 2 fixedly arranged at both ends of the shell 1, a plurality of heat exchange tubes 3 are fixedly arranged between the two fixed plates 2, an inlet and outlet shell cover 4 is fixedly arranged at one end of the shell 1, a sealing shell cover 5 is fixedly arranged at the other end of the shell 1, a feed pipe 16 and a discharge pipe 17 are connected to the inlet and outlet shell cover 4, a partition 9 is arranged on the inner wall of the shell 1, the longitudinal section of the partition 9 is cross-shaped, and the partition 9 divides the inner cavity of the shell 1 into four spaces on average, a heat exchange medium inlet 7 and a heat exchange medium outlet 8 are arranged on the shell 1, the heat exchange medium inlet 7 and the heat exchange medium outlet 8 are respectively connected to one of the spaces, a plurality of connecting holes are opened on the partition 9, a first partition group is arranged between the inlet and outlet shell cover 4 and the fixed plate 2 near one end of the inlet and outlet shell cover 4, the first partition group divides the inner cavity of the inlet and outlet shell cover 4 into a plurality of spaces, and the feed pipe 16 and the discharge pipe 17 are respectively connected to one of the spaces.
[0030] The heat exchange medium inlet 7 and the heat exchange medium outlet 8 are both arranged on the side of the shell 1 close to the sealed shell cover 5; the partition 1 9 divides the inner cavity of the shell 1 into four spaces evenly. Viewed from the side of the inlet and outlet shell cover 4, the four spaces connected with the heat exchange medium inlet 7 are space 1, space 2, space 3 and space 4 in counterclockwise rotation, and the heat exchange medium outlet 8 is connected with space 4; a plurality of connecting holes are provided on the partition 1 9, a first connecting hole is provided between space 1 and space 2, and the first connecting hole is provided at one end close to the inlet and outlet shell cover 4; a second connecting hole is provided between space 3 and space 4, and the second connecting hole is provided at one end close to the inlet and outlet shell cover 4; a third connecting hole is provided between space 2 and space 3, and the third connecting hole is provided at one end close to the sealed shell cover 5.
[0031] The fixing plate 2 comprises a disc 11 , on which a plurality of through holes 12 are arranged at intervals. A fixing rod 13 is fixedly arranged in the middle of the disc 11 , and the fixing rod 13 and the disc 11 are arranged vertically.
[0032] Four slide grooves 14 are provided on the disc 11 to cooperate with the partition plate 9. The angle between two adjacent slide grooves 14 is 90 degrees, and the slide grooves 14 are in the shape of a dovetail groove as a whole.
[0033] The longitudinal section of the fixing rod 13 is square as a whole, and a groove 15 is provided on the side wall of the fixing rod 13 . The middle parts of the inner walls of the inlet and outlet shell cover 4 and the sealing shell cover 5 are both provided with a clearance groove to match the fixing rod 13 .
[0034] The first partition plate group includes three partition plates 2 6, which are all arranged in the chute 14. The three partition plates 2 6 are T-shaped as a whole, and the three partition plates 2 6 divide the inner cavity of the inlet and outlet shell cover 4 into three spaces. From the side of the inlet and outlet shell cover 4, the three spaces are space 5, space 6 and space 7 in counterclockwise rotation from the space connected by the feed pipe 16, and the discharge pipe 17 is connected to space 7.
[0035] A second partition plate group is arranged between the sealing shell cover 5 and the fixed plate 2 near one end of the sealing shell cover 5, and the second partition plate group includes two partition plates 6. The two partition plates 6 are both arranged in the slide groove 14. The angle between the two partition plates 6 is 180°. The two partition plates 6 divide the inner cavity of the sealing shell cover 5 into two spaces.
[0036] The two spaces are connected to the feed pipe 16 and the discharge pipe 17 through the heat exchange pipe 3. The two spaces are respectively space eight located at the top and space nine located at the bottom. Space eight is connected to the feed pipe 16 through the heat exchange pipe 3, and space nine is connected to the discharge pipe 17 through the heat exchange pipe 3.
[0037] The partition plate 2 6 is in the shape of a quarter circle, and the bottom end of the partition plate 2 6 is provided with a dovetail boss 18 in cooperation with the slide groove 14, and the side wall of the partition plate 2 6 is provided with a boss 19 in cooperation with the groove 15. The dovetail boss 18 and the slide groove 14, the boss 19 and the groove 15 are provided in cooperation, so that the partition plate 2 6 can be easily disassembled and assembled on the fixed plate 2.
[0038] The arc edge of the partition plate 2 6 is arranged to match the inner wall of the inlet and outlet shell cover 4 and the sealing shell cover 5.
[0039] Two bases 10 are fixedly disposed at the bottom end of the housing 1 , and the two bases 10 are spaced apart and parallel to each other.
[0040] Working principle and process:
[0041] When in use, the heat exchange medium enters space one through the heat exchange medium inlet 7, enters space two through the first connecting hole, enters space three through the third connecting hole, then enters space four through the second connecting hole, and finally is discharged from the device through the heat exchange medium outlet 8. The circulation distance of the heat exchange medium in the shell 1 is four times the length of the shell 1; the material enters space five through the feed pipe 16, enters space eight through the heat exchange tube 3 in space one, then enters space six through the heat exchange tube 3 in space two, then enters space nine through the heat exchange tube 3 in space three, and finally enters space seven through the heat exchange tube 3 in space four and is discharged from the device through the discharge pipe 17. The circulation distance of the material in the shell 1 is four times the length of the heat exchanger.
Claims
1. A heat exchanger for chemical equipment, comprising a shell (1) and fixing plates (2) fixedly arranged at both ends of the shell (1). It is characterized in that A plurality of heat exchange tubes (3) are fixedly arranged between the two fixed plates (2); an inlet and outlet shell cover (4) is fixedly arranged at one end of the shell (1); a sealing shell cover (5) is fixedly arranged at the other end of the shell (1); a feed pipe (16) and a discharge pipe (17) are connected to the inlet and outlet shell cover (4); a partition plate (9) is arranged on the inner wall of the shell (1); the partition plate (9) has a cross-shaped longitudinal section, and the partition plate (9) evenly divides the inner cavity of the shell (1) into four spaces; A heat exchange medium inlet (7) and a heat exchange medium outlet (8) are provided, the heat exchange medium inlet (7) and the heat exchange medium outlet (8) are respectively connected to one of the spaces, a plurality of connecting holes are provided on a partition plate (9), a first partition plate group is provided between the inlet and outlet shell cover (4) and a fixed plate (2) close to one end of the inlet and outlet shell cover (4), the first partition plate group divides the inner cavity of the inlet and outlet shell cover (4) into a plurality of spaces, and a feed pipe (16) and a discharge pipe (17) are respectively connected to one of the spaces.
2. The heat exchanger for chemical equipment according to claim 1, It is characterized in that The fixed plate (2) comprises a circular disk (11), a plurality of through holes (12) are arranged at intervals on the circular disk (11), a fixing rod (13) is fixedly arranged in the middle of the circular disk (11), and the fixing rod (13) and the circular disk (11) are arranged vertically.
3. The heat exchanger for chemical equipment according to claim 2, It is characterized in that Four slide grooves (14) are provided on the disc (11) to cooperate with the partition plate (9), the angle between two adjacent slide grooves (14) is 90 degrees, and the slide grooves (14) are in the shape of a dovetail groove as a whole.
4. The heat exchanger for chemical equipment according to claim 2, It is characterized in that The fixing rod (13) has a square longitudinal section as a whole, a groove (15) is provided on the side wall of the fixing rod (13), and a clearance groove is provided in the middle of the inner wall of the inlet and outlet shell cover (4) and the sealing shell cover (5) to match the fixing rod (13).
5. The heat exchanger for chemical equipment according to claim 3, It is characterized in that The first partition plate group comprises three partition plates 2 (6), the three partition plates 2 (6) are all arranged in the slide groove (14), the three partition plates 2 (6) are in a T-shape as a whole, and the three partition plates 2 (6) divide the inner cavity of the inlet and outlet shell cover (4) into three spaces.
6. The heat exchanger for chemical equipment according to claim 5, It is characterized in that A second partition plate group is arranged between the sealing shell cover (5) and the fixed plate (2) near one end of the sealing shell cover (5), and the second partition plate group includes two partition plates (6). The two partition plates (6) are both arranged in the slide groove (14), and the angle between the two partition plates (6) is 180 degrees. The two partition plates (6) divide the inner cavity of the sealing shell cover (5) into two spaces.
7. The heat exchanger for chemical equipment according to claim 6, It is characterized in that The two spaces are connected to a feed pipe (16) and a discharge pipe (17) respectively through a heat exchange pipe (3).
8. The heat exchanger for chemical equipment according to claim 6, It is characterized in that The second partition plate (6) is in the shape of a right-angled sector as a whole. The bottom end of the second partition plate (6) is provided with a dovetail boss (18) in cooperation with the slide groove (14), and the side wall of the second partition plate (6) is provided with a boss (19) in cooperation with the groove (15).
9. The heat exchanger for chemical equipment according to claim 8, It is characterized in that The arc edge of the second partition plate (6) is arranged to match the inner wall of the inlet and outlet shell cover (4) and the sealing shell cover (5).
10. The heat exchanger for chemical equipment according to claim 1, It is characterized in that Two bases (10) are fixedly arranged at the bottom end of the shell (1), and the two bases (10) are arranged at an interval and parallel to each other.