CN114370785A

CN114370785A - Active circulation type efficient chemical heat exchanger

Info

Publication number: CN114370785A
Application number: CN202111572606.9A
Authority: CN
Inventors: 赵道沛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-04-19

Abstract

The invention relates to the technical field of heat exchangers, in particular to an active circulation type high-efficiency chemical heat exchanger, which comprises a shell and a tube plate, wherein the end part of the shell is fixedly provided with an extrusion disc, the extrusion disc is provided with an inserting groove and a communicating hole, the other side of the extrusion disc is provided with a bearing hole, a bearing is inserted in the bearing hole and is provided with a bearing tray, the bearing is matched with a driving ring, and the driving ring is internally threaded and connected with a locking ring. The leakproofness of connection has further been guaranteed, and this device simple structure, and the effect is showing, is fit for using widely.

Description

Active circulation type efficient chemical heat exchanger

Technical Field

The invention relates to the technical field of heat exchangers, in particular to an active circulation type efficient chemical heat exchanger.

Background

The heat exchanger is a device for transferring partial heat of hot fluid to cold fluid, also called as heat exchanger, the heat exchanger plays an important role in chemical industry, petroleum, power, food and other industrial production, the heat exchanger can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and the heat exchanger is widely applied.

Disclosure of Invention

The invention aims to provide an active circulation type high-efficiency chemical heat exchanger to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an active circulation type high-efficiency chemical heat exchanger comprises a shell and a tube plate, wherein an extrusion disc is fixedly arranged at the end part of the shell, an inserting groove and a communicating hole are formed in the extrusion disc, a bearing hole is formed in the other side of the extrusion disc, a bearing is inserted in the bearing hole and provided with a bearing tray, the bearing is matched with a driving ring, a locking ring is in threaded connection with the driving ring, a communicating hole is formed in the locking ring, a locking groove is formed in one side of the communicating hole, a fixed inserting ring is fixedly arranged on the tube plate, a conical elastic pin is arranged on the fixed inserting ring, a spring is sleeved on the conical elastic pin, a locking rod is fixedly arranged on the tube plate, the locking rod penetrates through the communicating hole to reach the end face of the locking ring, a threaded hole is formed in the locking rod, a tensioning bolt is in threaded connection with the threaded hole, and a guide rod is fixedly arranged on the tensioning bolt, the spring is sleeved on the guide rod, the guide rod is inserted into the moving ring in an inserting mode, the rubber sleeve is sleeved on the fixed inserting ring, the conical elastic pin penetrates through a connecting hole in the rubber sleeve to enter a fixed hole in the moving inserting ring, and the moving inserting ring and the fixed inserting ring are inserted into the inserting groove in an inserting mode.

Preferably, the width of the locking groove is slightly larger than the diameter of the locking rod and smaller than the outer diameter of the moving ring.

Preferably, the fixed inserting ring and the tube plate are welded or integrally formed.

Preferably, the number of the locking rods is at least four, and the locking rods are uniformly arranged on the tube plate.

Preferably, the shifting ring is always abutted against the end face of the locking ring, and the spring on the guide rod is welded and fixed on the shifting ring and the tensioning bolt.

Preferably, the locking ring is sleeved on the shell, and the end part of the locking ring is contacted with the bearing tray and is pressed on the bearing tray.

Compared with the prior art, the invention has the beneficial effects that:

through this technical scheme's practicality, convert bolted connection into the locking lever and connect tube sheet and shell, can tightly extrude the tube sheet at the tip of shell under the effect of locking lever tip spring, and the cooperation removes grafting ring and fixed grafting ring and uses in the inserting groove, cup joint the rubber sleeve on fixed grafting ring, can further extrude fixed grafting ring in the inserting groove under the effect of the spring on the toper elastic pin, the leakproofness of connection has further been guaranteed, this device simple structure, and the effect is showing, and is suitable for being generalized to use.

Drawings

FIG. 1 is an exploded view of the present locking structure;

FIG. 2 is an exploded view of the housing assembly;

FIG. 3 is an exploded schematic view of the tube sheet assembly;

FIG. 4 is a schematic structural view of the movable insert ring and the rubber sleeve;

FIG. 5 is a schematic structural view of the housing;

fig. 6 is an enlarged schematic view of a portion a of fig. 1.

In the figure: the device comprises a shell 1, a tube plate 2, an extrusion disc 3, an insertion groove 4, a communication hole 5, a bearing hole 6, a bearing 7, a driving ring 8, a locking ring 9, a locking groove 10, a fixed insertion ring 11, a conical elastic pin 12, a spring 13, a locking rod 14, a threaded hole 15, a tensioning bolt 16, a guide rod 17, a moving ring 18, a rubber sleeve 19, a connection hole 20, a moving insertion ring 21, a fixed hole 22 and a bearing tray 23.

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 embodiments 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.

Referring to fig. 1 to 6, the present invention provides a technical solution:

the utility model provides a high-efficient chemical industry heat exchanger of active circulation formula, including shell 1 and tube sheet 2, the end fixing of shell 1 is provided with extrusion dish 3, inserting groove 4 and intercommunicating pore 5 have been seted up on the extrusion dish 3, and the bearing hole 6 has been seted up to the opposite side, the grafting has bearing 7 in the bearing hole 6, and be provided with and hold tray 23, bearing 7 cooperates and has drive

ring

8, 8 female connection of drive ring has locking ring 9 and locking ring 9 to cup joint on shell 1, and the tip supports with holding tray 23 contact and presses on holding tray 23.

The locking ring 9 is provided with a communication hole 5, one side of the communication hole 5 is provided with a locking groove 10, and the width of the locking groove 10 is slightly larger than the diameter of the locking rod 14 and smaller than the outer diameter of the moving ring 18.

The tube plate 2 is fixedly provided with a fixed inserting ring 11, the fixed inserting ring 11 is provided with a conical elastic pin 12, the conical elastic pin 12 is sleeved with a spring 13, and the fixed inserting ring 11 and the tube plate 2 are welded or integrally formed.

The tube plate 2 is fixedly provided with locking rods 14, the locking rods 14 penetrate through the communication holes 5 to reach the end face of the locking ring 9, threaded holes 15 are formed in the locking rods 14, the number of the locking rods 14 is at least four, and the locking rods 14 are uniformly arranged on the tube plate 2.

The threaded hole 15 is in threaded connection with a tensioning bolt 16, a guide rod 17 is fixedly arranged on the tensioning bolt 16, a spring 13 is sleeved on the guide rod 17, the guide rod 17 is inserted into a moving ring 18, the moving ring always abuts against the end face of the locking ring, and the spring 13 on the guide rod 17 is fixed on the moving ring 18 and the tensioning bolt 16 in a welding mode.

The fixed inserting ring 11 is sleeved with a rubber sleeve 19, the conical elastic pin 12 penetrates through a connecting hole 20 in the rubber sleeve 19 to enter a fixing hole 22 in a movable inserting ring 21, and the movable inserting ring 21 and the fixed inserting ring 11 are inserted in the inserting groove 4.

The working principle is as follows: when the locking device works, the tapered elastic pin 12 is pressed towards each other and then is pressed into the fixed hole 22, so that the movable insertion ring 21 and the tube plate 2 can be connected, the tapered elastic pin 12 can be connected with the movable insertion ring 21 to ensure that the tapered elastic pin does not fall off as the maximum diameter of the tapered elastic pin 12 is larger than the diameter of the fixed hole 22, the tapered elastic pin can be inserted into the fixed hole 22 as the interval between the tapered elastic pin and the fixed hole 22 is reduced when being pressed, the tapered elastic pin can freely stretch and retract in the fixed hole 22, so that the fixed insertion ring 11 can be tightly pressed in the insertion groove 4 when the tube plate 2 is tensioned, the spring 13 on the tapered elastic pin 12 is in a compressed state, the tapered elastic pin generates acting force on the movable insertion ring 21 to enable the movable insertion ring to tightly abut against the bottom of the insertion groove 4, the rubber sleeve 19 is sleeved on the fixed insertion ring 11, and the cooperation of the movable insertion ring 21 and the fixed insertion ring 11 can ensure the sealing performance of the connection between the tube plate 2 and the shell 1, in addition, the locking ring 9 is rotated so that the locking levers 14 are entered into the locking grooves 10, and then the driving ring 8 is rotated due to the threaded connection of the driving ring 8 and the locking ring 9, and the driving ring 8 is fitted on the pressing plate 3 through the bearing 7, the drive ring 8 cannot move so that, under the action of the screw thread, the locking ring 9 will move away from the retainer plate 23, so that, following the movement of the locking ring 9, the spring 13 on the guide rod 17 is compressed, the spring 13 being compressed since the mobile ring 18 bears against the locking ring 9, the spring 13 will exert a pushing force on the tie bolt 16, since the tie bolt 16 is screwed onto the locking bar 14, the locking bar 14 is fixedly connected to the tube sheet 2, the spring 13 will exert a pulling force on the tube sheet 2, which further tightens the tube sheet 2 against the pressing disk 3 and further ensures the tightness between the tube sheet 2 and the housing 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an active circulation's high-efficient chemical industry heat exchanger, includes shell (1) and tube sheet (2), its characterized in that: the fixed extrusion dish (3) that is provided with of tip of shell (1), grafting groove (4) and intercommunicating pore (5) have been seted up on extrusion dish (3), and dead eye (6) have been seted up to the opposite side, bearing (7) have been pegged graft in dead eye (6), and are provided with bearing tray (23), bearing (7) cooperation has drive ring (8), drive ring (8) female connection has locking ring (9), intercommunicating pore (5) have been seted up on locking ring (9), locking groove (10) have been seted up to one side of intercommunicating pore (5), fixed grafting ring (11) that is provided with on tube sheet (2), be provided with toper elastic pin (12) on fixed grafting ring (11), cup joint spring (13) on toper elastic pin (12).

2. The active circulation type high-efficiency chemical heat exchanger according to claim 1, wherein: the pipe plate is characterized in that a locking rod (14) is fixedly arranged on the pipe plate (2), the locking rod (14) penetrates through the communicating hole (5) to reach the end face of the locking ring (9), a threaded hole (15) is formed in the locking rod (14), a tension bolt (16) is in threaded connection with the threaded hole (15), a guide rod (17) is fixedly arranged on the tension bolt (16), a spring (13) is sleeved on the guide rod (17), the guide rod (17) is inserted into the moving ring (18), a rubber sleeve (19) is sleeved on the fixed inserting ring (11), the conical elastic pin (12) penetrates through a connecting hole (20) in the rubber sleeve (19) to enter a fixing hole (22) in the moving inserting ring (21), and the moving inserting ring (21) and the fixed inserting ring (11) are inserted into the inserting groove (4).

3. The active circulation type high-efficiency chemical heat exchanger according to claim 1, wherein: the width of the locking groove (10) is slightly larger than the diameter of the locking rod (14) and smaller than the outer diameter of the moving ring (18).

4. The active circulation type high-efficiency chemical heat exchanger according to claim 1, wherein: the fixed inserting ring (11) and the tube plate (2) are welded or integrally formed.

5. The active circulation type high-efficiency chemical heat exchanger according to claim 1, wherein: the number of the locking rods (14) is at least four, and the locking rods are uniformly arranged on the tube plate (2).

6. The active circulation type high-efficiency chemical heat exchanger according to claim 1, wherein: the shifting ring is always abutted against the end face of the locking ring, and a spring (13) on a guide rod (17) is welded and fixed on the shifting ring (18) and a tensioning bolt (16).

7. The active circulation type high-efficiency chemical heat exchanger according to claim 1, wherein: the locking ring (9) is sleeved on the shell (1), and the end part of the locking ring is contacted with the bearing tray (23) and is pressed against the bearing tray (23).