CN218821801U

CN218821801U - Heat exchanger convenient for replacing internal tube bundle

Info

Publication number: CN218821801U
Application number: CN202222658944.0U
Authority: CN
Inventors: 侯建飞; 尹爱华; 尹建华; 张家珉; 张明
Original assignee: Jinchang Longbo Gas Co ltd
Current assignee: Jinchang Longbo Gas Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-04-07
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a conveniently change heat exchanger of inside tube bank relates to heat exchanger technical field, aim at solving among the prior art scheme, baffling board structural strength is low, easily takes place deformation, when changing the tube bank, be difficult to wear the pipe installation, and the tube bank has the problem of fracture risk, the utility model discloses a set up adjacent baffling board of bushing and tube sheet, strengthened the structural strength of baffling board, when fluid impact baffling board, can play good shock resistance, avoided baffling board deformation to damage, through set up the through-hole that the internal diameter is greater than the tube bank on baffling board and tube sheet, make the interlude of tube bank not blockked by the baffling board, and utilize the uide bushing to lead to the tip of tube bank, improved the convenience when the tube bank is worn to insert, be favorable to improving the efficiency that the tube bank was changed, through the mode that uses fixed sleeve to press the fastening sealing washer, fix the tube bank, from radial to the application of force, eliminated the tensile fracture risk of tube bank.

Description

Heat exchanger convenient for replacing internal tube bundle

Technical Field

The utility model relates to a heat exchanger technical field specifically is a conveniently change heat exchanger of inside tube bank.

Background

Heat exchangers are devices that transfer part of the heat of a hot fluid to a cold fluid, i.e. water or another medium is contained in a large closed vessel through which pipes pass. Allowing hot water to flow through the pipe.

Because of the temperature difference between the hot water in the pipeline and the cold hot water in the container, heat exchange can be formed, namely the heat balance of junior high school physics, and the heat of a high-temperature object is always transferred to a low-temperature object, so that the heat of the water in the pipeline is exchanged to the cold water in the container, and the heat exchanger is also called as a heat exchanger.

Chinese patent CN201921288803.6 discloses an inner tube bank convenient to detach's shell and tube heat exchanger, which comprises a housin, the heat transfer chamber has been seted up in the casing, the equal fixed mounting in heat transfer chamber left and right sides has the tube sheet, heat transfer chamber top fixed mounting has the last baffling board that is located between two tube sheets and quantity is greater than four, heat transfer chamber bottom fixed mounting has the lower baffling board that is located between two tube sheets and quantity is greater than three.

Among the prior art scheme, the baffling board owing to with do not have fixed connection between the tube bank, lead to structural strength to reduce, the baffling board receives fluid impact easily to take place to deform and damage even, when changing the tube bank, because gravity and manufacturing accuracy's influence, the tube bank is blockked easily when passing different baffling boards, is difficult to wear the pipe installation, and the both ends of tube bank are passed through the nut and are connected with the tube sheet in addition, in order to guarantee the leakproofness, the tube bank continuously receives stress stretching, has the fracture risk.

SUMMERY OF THE UTILITY MODEL

In view of the problem that exists among the prior art, the utility model discloses a conveniently change heat exchanger of inside tube bank, the technical scheme of adoption is, including casing, head, be equipped with pan feeding mouth, discharge gate on the casing, the both ends of casing all are equipped with the tube sheet, equal flange joint has the head on the tube sheet, all be equipped with the refrigerant mouth on the head, the cooling medium passes through in the refrigerant mouth gets into the heat exchanger, be equipped with the baffling board in the casing, the baffling board has multiunit and crisscross setting, increases the fluid stroke, improves the heat transfer effect, and is two sets of be connected with the tube bank between the tube sheet, the tube bank has the multiunit and passes the baffling board, the cooling medium passes through the tube bank carries out heat exchange with fluid contact, the baffling board with all be equipped with the through-hole on the tube sheet, the tube bank passes the through-hole, the tube bank is equipped with the sleeve pipe outward, the sleeve pipe has the multiunit, just the bushing is adjacent the baffling board, the sleeve pipe still connects adjacently the baffling board with the sleeve pipe sheet, the sleeve pipe is right the baffling board supports, guarantees structural strength, prevents to warp, be equipped with the fixing base, the fixed cover is connected with the tube bank of tubes.

As an optimal technical scheme of the utility model, the internal diameter of through-hole is greater than the external diameter of tube bank, is convenient for the tube bank is followed pass in the through-hole.

As an optimal technical scheme of the utility model, be equipped with the heat transfer mouth on the sheathed tube lateral wall, be convenient for the fluid with tube bank direct contact guarantees the heat transfer effect, the sheathed tube inner wall with the size phase-match of through-hole, the sheathed tube both ends all are equipped with the ring flange, be equipped with the mounting hole of circumference array on the ring flange, the mounting hole is the counter bore, establish the perforation around the through-hole, perforate with the size phase-match position of mounting hole is corresponding, same the through-hole both sides the ring flange is connected fixedly through the bolt.

As the utility model discloses a preferred technical scheme, the edge of flange dish is equipped with the inclined plane, reduces the direct impact when fluid passes through, can prolong the live time.

As an optimal technical scheme of the utility model, sheathed tube inner wall is equipped with the uide bushing, the right-hand member opening edge department of uide bushing has the fillet, changes during the tube bank, penetrate from the right side the tube bank, at the poling in-process, the tip of tube bank can by the fillet opening of uide bushing is received, thereby gets into in the uide bushing, the left side inner wall of uide bushing is equipped with anti-skidding sealing washer, anti-skidding sealing washer with the size phase-match of tube bank, anti-skidding sealing washer can be right the tube bank carries out the centre gripping, improves the stability of tube bank.

As an optimal technical scheme of the utility model, anti-skidding sealing washer's right side is equipped with first interior chamfer, is convenient for the tip of tube bank inserts among the anti-skidding sealing washer.

As a preferred technical scheme of the utility model, be equipped with on the fixing base the mounting hole, be equipped with the screwed pipe on the fixing base, the inner wall of screwed pipe with the size phase-match of through-hole, the screwed pipe with fixed cover passes through threaded connection, fixed cover is equipped with sealed the pad, sealed pad with the size phase-match of fixing base, sealed pad will mounting hole on the fixing base seals, prevents that fluid from flowing wherein.

As an optimal technical scheme of the utility model, the inner wall left end of screwed pipe is equipped with seal ring, seal ring with the size phase-match of tube bank, seal ring follows the left end protrusion of screwed pipe, the inner wall of fixed cover is equipped with the interior chamfer of second, the interior chamfer of second with seal ring's size phase-match position is corresponding fixed cover is in the in-process that the screwed pipe screwed, the interior chamfer of second will seal ring extrudees, makes seal ring with frictional force between the tube bank increases, thereby will the tube bank is fixed and is sealed.

The utility model has the advantages that: the utility model discloses a set up adjacent baffling board of bushing and tube sheet, make the baffling board, the tube sheet, the casing forms one neatly, the structural strength of baffling board has been strengthened, when the baffling board is strikeed to the fluid, can play good shock-resistant effect, baffling board deformation damage has been avoided, through set up the through-hole that the internal diameter is greater than the tube bank on baffling board and tube sheet, the interlude that makes the tube bank is not blockked by the baffling board, and utilize the uide bushing to lead to the tip of tube bank, convenience when having improved the tube bank and interlude, be favorable to improving the efficiency that the tube bank was changed, through the mode of using the fixed set fastening sealing washer, fix the tube bank, from radial to the tube bank application of force, the stretch breaking risk of tube bank has been eliminated.

Drawings

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below; throughout the drawings, like elements or portions are generally identified by like reference numerals; in the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the sleeve of the present invention;

fig. 3 is a schematic view of the sectional structure of the fixing base of the present invention.

In the figure: 1. a housing; 2. sealing the end; 3. a sleeve; 4. a fixed seat; 5. fixing a sleeve; 6. a tube bundle; 10. a feeding port; 11. a discharge port; 12. a baffle plate; 13. a tube sheet; 21. a refrigerant port; 30. a flange plate; 31. a guide sleeve; 32. an anti-slip seal ring; 41. fixing a sealing ring; 51. and a gasket.

Detailed Description

Example 1

As shown in fig. 1 to 3, the utility model discloses a conveniently change heat exchanger of inside tube bank, the technical scheme of adoption is, which comprises a housin 1, head 2, the top of casing 1 is equipped with pan feeding mouth 10, the bottom of casing is equipped with discharge gate 11, the both ends of casing 1 all are equipped with tube sheet 13, the equal flange joint in outside of tube sheet 13 has head 2, all be equipped with refrigerant mouth 21 on the head 2, be equipped with baffling board 12 in the casing 1, baffling board 12 has the multiunit and crisscross setting, connect through multiunit tube bank 6 between two sets of tube sheets 13, the head 2 of tube bank 6 intercommunication both sides, cooling medium flows through casing 1 through tube bank 6, all be equipped with the through-hole on baffling board 12 and the tube sheet 13, the internal diameter of through-hole is greater than tube bank 6's external diameter, make tube bank 6 conveniently pass the through-hole, for strengthen baffling board 12's structural strength, the cover is equipped with multiunit sleeve pipe 3 in tube bank 6 outside, sleeve pipe 3 connects adjacent baffling board 12 and adjacent baffling board 13 through pipe 3, be equipped with fixed cover 4 on the sleeve 4, fixed cover 4 that is equipped with detachable 5 on the fixed cover 4, fixed cover carries out the fixed of tube bank 6 with fixed cover 5.

As shown in fig. 1 and 2, in order to ensure the heat exchange efficiency, the side wall of the sleeve 3 is provided with a heat exchange port for facilitating the heat exchange of the fluid in contact with the tube bundle 6, the sleeve 3 has the same inner diameter as the through hole, the two ends of the sleeve 3 are both provided with flanges 30, the flanges 30 on the two sides of the same through hole are fixedly installed through flange connection, and the edge of the flange 30 is an inclined plane for reducing the turbulent flow generated when the fluid passes through the flange 30.

As shown in fig. 2, for facilitating the installation of tube bundle 6, the inner wall of sleeve 3 is equipped with uide bushing 31, there is the fillet right-hand member opening edge of uide bushing 31, play the effect that leads to the tip of tube bundle 6, in being convenient for tube bundle 6 gets into uide bushing 31, the left side inner wall of uide bushing 31 is equipped with anti-skidding sealing washer 32, play sealed and anti-skidding effect to tube bundle 6, anti-skidding sealing washer 32's right side is equipped with first interior chamfer, make things convenient for tube bundle 6 to insert in anti-skidding sealing washer 32.

As shown in fig. 3, a mounting hole for flange connection is formed in the fixing base 4, a threaded pipe having the same inner diameter as the through hole is formed in the fixing base 4, the threaded pipe is in threaded connection with the fixing sleeve 5, a sealing gasket 51 having the same size as the fixing base 4 is formed in the fixing sleeve 5, and the sealing gasket 51 is used for sealing a contact surface between the fixing sleeve 5 and the fixing base 4.

As shown in fig. 3, a fixing seal ring 41 is arranged at the left end of the inner wall of the threaded pipe, the fixing seal ring 41 is matched with the size of the pipe bundle 6, the fixing seal ring 41 protrudes from the left end of the threaded pipe, the inner wall of the fixing sleeve 5 is provided with a second inner chamfer, and the second inner chamfer can extrude the fixing seal ring 41 to clamp and fix the pipe bundle 6 and seal the pipe bundle.

The utility model discloses a theory of operation: when the heat exchanger works, fluid enters the shell 1 from the material inlet 10, flows into the end socket 2 through the tube bundle 6 after passing through the baffle plate 12 and is discharged from the material outlet 11, in the process, cooling medium enters the end socket 2 through the refrigerant port 21, then flows into the end socket 2 at the other end through the tube bundle 6, and is discharged through the refrigerant port 21 at the other end, the fluid flows through the outside of the tube bundle 6 and exchanges heat with the cooling medium, when the tube bundle 6 in the shell 1 needs to be replaced, the fluid and the cooling medium are firstly emptied, the end socket 2 is detached from two sides of the shell 1, then the fixing sleeve 5 is rotated, the fixing sleeves 5 at two ends of the same tube bundle 6 are detached from the fixed seat 4, the second inner chamfer removes the extrusion on the fixing sealing ring 41, so that the friction force between the fixing sealing ring 41 and the tube bundle 6 is reduced, then the tube bundle 6 is pulled out of the fixed seat 4, then a new tube bundle 6 is replaced, and the new tube bundle 6 is inserted into the fixed seat 4 from the tube plate 13 at the right side of the shell 1, then the tube bundle 6 passes through the through holes on the sleeve 3 and the baffle plate 12, in the process, the tail end of the tube bundle 6 contacts the guide sleeve 31, the tube bundle 6 is guided into the guide sleeve 31 through the round angle opening on the guide sleeve 31, then the tube bundle passes through the antiskid sealing ring 32 and is continuously inserted towards the left side, the antiskid sealing ring 32 mainly restrains the tube bundle 6, so that the tube bundle 6 and the guide sleeve 31 have buffering, the tube bundle 6 penetrates out of the fixing seat 4 on the tube plate 13 at the left side, then the fixing sleeves 5 on the fixing seats 4 at the two ends are screwed, the sealing gasket 51 is pressed by the fixing sleeve 5, the fixing sealing ring 41 is pressed by the second inner chamfer, so that the tube bundle 6 is fixed, the tube plate 13 is sealed and separated between the seal head 2 and the shell 1, then the seal head 2 is installed, the heat exchanger can be normally used, the baffle plate 12 and the tube plate 13 are connected together through the flange 30 by a plurality of groups of sleeve 3, the strength of the baffle 12 is greatly enhanced.

The mechanical connection of the present invention is a conventional means used by those skilled in the art, and can be suggested by a limited number of tests, which belong to the common knowledge.

Components not described in detail herein are prior art.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be connected through an intermediate medium.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.

Claims

1. The utility model provides a conveniently change heat exchanger of inside tube bank, includes casing (1), head (2), be equipped with pan feeding mouth (10), discharge gate (11) on casing (1), the both ends of casing (1) all are equipped with tube sheet (13), equal flange joint has head (2) on tube sheet (13), all be equipped with refrigerant mouth (21) on head (2), be equipped with baffling board (12) in casing (1), baffling board (12) have multiunit and crisscross setting, two sets of be connected with tube bank (6) between tube sheet (13), tube bank (6) have the multiunit and pass baffling board (12), its characterized in that: the novel tube bundle is characterized in that through holes are formed in the baffle plates (12) and the tube plates (13), the tube bundles (6) penetrate through the through holes, sleeves (3) are arranged outside the tube bundles (6), multiple groups of sleeves (3) are arranged, the sleeves (3) are connected with the adjacent baffle plates (12), the sleeves (3) are further connected with the adjacent baffle plates (12) and the tube plates (13), fixing seats (4) are arranged on the tube plates (13), the fixing seats (4) correspond to the tube bundles (6), detachable fixing sleeves (5) are arranged on the fixing seats (4), and the inner walls of the fixing sleeves (5) are connected with the tube bundles (6) in a sliding mode.

2. The heat exchanger of claim 1, wherein the inner tube bundle is conveniently replaced by: the inner diameter of the through-hole is larger than the outer diameter of the tube bundle (6).

3. The heat exchanger facilitating replacement of an inner tube bundle according to claim 2, wherein: be equipped with the heat transfer mouth on the lateral wall of sleeve pipe (3), the inner wall of sleeve pipe (3) with the size phase-match of through-hole, the both ends of sleeve pipe (3) all are equipped with ring flange (30), be equipped with the mounting hole of circumference array on ring flange (30), the mounting hole is the counter bore, establish the perforation around the through-hole, perforate with the size phase-match position of mounting hole is corresponding.

4. A heat exchanger to facilitate the replacement of an inner tube bundle as claimed in claim 3, wherein: the edge of the flange plate (30) is provided with an inclined plane.

5. A heat exchanger to facilitate the replacement of an inner tube bundle as claimed in claim 3, wherein: the inner wall of sleeve pipe (3) is equipped with uide bushing (31), the right-hand member open edge of uide bushing (31) has the fillet, the left side inner wall of uide bushing (31) is equipped with anti-skidding sealing washer (32), anti-skidding sealing washer (32) with the size phase-match of tube bank (6).

6. The heat exchanger of claim 5, wherein the inner tube bundle is conveniently replaced by: and a first inner chamfer is arranged on the right side of the anti-skid sealing ring (32).

7. A heat exchanger to facilitate the replacement of an inner tube bundle as claimed in claim 3, wherein: be equipped with on fixing base (4) the mounting hole, be equipped with the screwed pipe on fixing base (4), the inner wall of screwed pipe with the size phase-match of through-hole, the screwed pipe with fixed cover (5) are through threaded connection, be equipped with sealed pad (51) on fixed cover (5), sealed pad (51) with the size phase-match of fixing base (4).

8. The heat exchanger of claim 7, wherein the inner tube bundle is conveniently replaced by: the inner wall left end of screwed pipe is equipped with stationary seal circle (41), stationary seal circle (41) with the size phase-match of tube bank (6), stationary seal circle (41) are followed the left end protrusion of screwed pipe, the inner wall of fixed cover (5) is equipped with the second inner chamfering, the second inner chamfering with the size phase-match position of stationary seal circle (41) is corresponding.