CN217210490U

CN217210490U - Tube array type silicon carbide heat exchanger

Info

Publication number: CN217210490U
Application number: CN202220672535.3U
Authority: CN
Inventors: 李宏岩
Original assignee: Shandong Jiesheng Chemical Equipment Co ltd
Current assignee: Shandong Jiesheng Chemical Equipment Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-16
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a shell and tube carborundum heat exchanger relates to heat exchanger technical field. The utility model discloses a casing, carborundum heat exchange tube, baffling board, sealed tube sheet and head, the head sets up in casing both ends opening part, and sealed tube sheet sets up between head and casing opening part, through bolt fixed connection between head, sealed tube sheet and the casing, casing lateral surface fixed mounting has the support, and support bottom fixedly connected with base, base top are opened along the casing axial has spacing spout, and spacing spout internal rotation is connected with the screw rod that sets up reverse screw thread. The utility model discloses a cooperation of base, drive assembly, spacing spout, screw rod, stopper, support column and connecting block is used to improved the fixed effect between head and the casing, not only can make the sealed effect reinforcing of integrated device, the later stage of being convenient for carries out dismouting to the heat exchanger moreover and overhauls and clear up.

Description

Tube array type silicon carbide heat exchanger

Technical Field

The utility model belongs to the technical field of the heat exchanger, especially, relate to a shell and tube carborundum heat exchanger.

Background

The silicon carbide shell and tube heat exchanger is a new shell and tube heat exchanger, and adopts silicon carbide material as heat transfer element. The high-temperature corrosion-resistant and wear-resistant steel is particularly suitable for extreme environments such as high temperature, high pressure, strong corrosion, high wear and the like in the industries such as chemical industry, petroleum industry, pharmacy, metallurgy and the like. The end sockets at two ends of the existing silicon carbide heat exchanger are fixedly connected with the shell of the heat exchanger through bolts, and the effect of corrosion prevention and sealing is realized by additionally arranging a tube plate between the end sockets and the shell.

However, after long-time use, the fixing effect of the fixing mode of the bolts is reduced, stability is difficult to guarantee, the sealing effect of the whole device is influenced, and the heat exchanger is inconvenient to disassemble, assemble, repair and clean in the later period.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell and tube carborundum heat exchanger has solved the current fixed mode of this kind of bolt that adopts, and fixed effect is difficult to guarantee stably, not only can influence the sealed effect of integrated device, is not convenient for moreover the later stage to carry out the problem that the dismouting overhauld and cleared up the heat exchanger.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a shell and tube carborundum heat exchanger, including casing, carborundum heat exchange tube, baffling board, sealed tube sheet and head, the head sets up in casing both ends opening part, sealed tube sheet sets up between head and casing opening part, through bolt fixed connection between head, sealed tube sheet and the casing, casing lateral surface fixed mounting has the support, support bottom fixedly connected with base, the base top is opened along the casing axial has spacing spout, spacing spout internal rotation is connected with the screw rod that sets up reverse screw thread, the equal threaded connection of disc has and spacing spout matched with stopper outside the screw rod both ends, the stopper top is fixed with the support column, through connecting block fixed connection between support column and the head, base one side is equipped with drive screw rod pivoted drive assembly.

Furthermore, one side of the sealing tube plate, which is close to the shell, is provided with a mounting groove, a plurality of annular grooves which are uniformly distributed and matched with the silicon carbide heat exchange tubes in an inserting manner are formed in the mounting groove, a plurality of sleeves which are uniformly distributed and communicated with the inside of the annular grooves are fixed on the other side surface of the sealing tube plate, and a sealing ring matched with the silicon carbide heat exchange tubes is fixed at the groove openings of the annular grooves; the silicon carbide heat exchange tubes and the baffle plates are arranged in a plurality, the baffle plates are positioned in the shell, the silicon carbide heat exchange tubes penetrate through the baffle plates, and positioning plates matched with the mounting grooves are fixedly sleeved on the peripheral side surfaces of the silicon carbide heat exchange tubes close to the two ends of the silicon carbide heat exchange tubes.

Furthermore, the end, close to the sealing tube plate, of the silicon carbide heat exchange tube is abutted to the inner wall of the annular groove, and the inner wall and the outer wall of the silicon carbide heat exchange tube are attached to the inner wall of the annular groove.

Further, the inner diameter of the sealing ring is the same as the outer diameter of the silicon carbide heat exchange tube.

Furthermore, sealing rings respectively matched with the shell and the end socket are fixed on two sides of the sealing tube plate, sealing grooves matched with the sealing rings are formed in one sides, close to the sealing tube plate, of the shell and the end socket, a positioning shaft is fixed on one side, close to the end socket, of the sealing tube plate, and a positioning sleeve matched with the positioning shaft is fixed in the shell.

Further, drive assembly is including setting up the first gear in spacing spout, first gear one end fixedly connected with pivot, pivot one end is run through base and fixed connection and is installed the turning handle, be equipped with in the spacing spout with first gear meshing complex second gear, second gear fixed mounting is in the screw rod lateral surface.

The utility model discloses following beneficial effect has:

1. the utility model discloses a cooperation of base, drive assembly, spacing spout, screw rod, stopper, support column and connecting block is used to improved the fixed effect between head and the casing, not only can make the sealed effect reinforcing of integrated device, the later stage of being convenient for carries out dismouting to the heat exchanger moreover and overhauls and clear up.

2. The utility model discloses a locating plate, mounting groove, annular groove, sleeve pipe and sealing ring's cooperation is used for in carborundum heat exchange tube one end inserted the annular groove, the laminating of annular groove inner wall and carborundum heat exchange tube inside and outside wall, the sealed of deuterogamy sealing ring has further improved the sealed effect of sealed tube sheet and carborundum heat exchange tube.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a shell and tube silicon carbide heat exchanger of the present invention;

FIG. 2 is a schematic view of the interior of the housing;

FIG. 3 is a schematic structural view of a combination of a sealing tube plate and a positioning shaft;

FIG. 4 is a partial cross-sectional view of FIG. 3;

FIG. 5 is a schematic structural diagram of a combination of a seal head, a connecting block, a supporting column, a limiting block, a base and a driving assembly;

fig. 6 is a schematic structural view of fig. 5 from another view angle.

In the drawings, the components represented by the respective reference numerals are listed below:

the heat exchange tube comprises a shell 1, a silicon carbide heat exchange tube 2, a baffle 3, a sealing tube plate 4, a sealing ring 401, a mounting groove 402, an annular groove 403, a sleeve 404, a sealing ring 405, a sealing head 5, a support 6, a base 7, a limiting chute 701, a screw 8, a limiting block 9, a supporting column 10, a connecting block 11, a driving assembly 12, a first gear 1201, a rotating shaft 1202, a rotating handle 1203, a second gear 1204, a positioning plate 13, a sealing groove 14, a positioning shaft 15 and a positioning sleeve 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the utility model relates to a tube type silicon carbide heat exchanger, which comprises a shell 1, a silicon carbide heat exchange tube 2, a baffle plate 3, a sealing tube plate 4 and a sealing head 5, wherein the sealing head 5 is arranged at the opening at two ends of the shell 1, the sealing tube plate 4 is arranged between the opening of the sealing head 5 and the shell 1, the sealing head 5, the sealing tube plate 4 and the shell 1 are fixedly connected through bolts, a support 6 is fixedly arranged at the outer side surface of the shell 1, a base 7 is fixedly connected at the bottom of the support 6, a limit chute 701 is arranged at the top of the base 7 along the axial direction of the shell 1, a screw 8 with reverse threads is rotatably connected in the limit chute 701, a limit block 9 matched with the limit chute 701 is uniformly screwed on the outer circular surface at two ends of the screw 8, a support column 10 is fixed at the top of the limit block 9, the support column 10 is fixedly connected with the sealing head 5 through a connecting block 11, a driving component 12 for driving the screw 8 to rotate is arranged at one side of the base 7, drive screw rod 8 through drive assembly 12 and rotate for stopper 9 mutual reverse movement, and then through support column 10 and connecting block 11 translation head 5, thereby be convenient for install head 5 on object 1 and install, improved the fixed effect between head 5 and the casing 1, not only can make the sealed effect reinforcing of integrated device, the later stage of being convenient for carries out dismouting maintenance and clearance to the heat exchanger moreover.

In the embodiment, sealing rings 401 respectively matched with a shell 1 and an end enclosure 5 are fixed on two sides of a sealing tube plate 4, sealing grooves 14 matched with the sealing rings 401 are formed in one sides, close to the sealing tube plate 4, of the shell 1 and the end enclosure 5, the sealing performance is improved through the matching of the sealing rings 401 and the sealing grooves 14, a mounting groove 402 is formed in one side, close to the shell 1, of the sealing tube plate 4, a plurality of annular grooves 403 which are uniformly distributed and matched with silicon carbide heat exchange tubes 2 in an inserting mode are formed in the mounting groove 402, a plurality of sleeves 404 which are uniformly distributed and communicated with the inside of the annular grooves 403 are fixed on the other side face of the sealing tube plate 4, and sealing rings 405 matched with the silicon carbide heat exchange tubes 2 are fixed at the notches of the annular grooves 403; the silicon carbide heat exchange tubes 2 and the baffle plates 3 are both provided with a plurality of baffle plates 3, the baffle plates 3 are positioned in the shell 1, the silicon carbide heat exchange tubes 2 penetrate through the baffle plates 3, and the positioning plates 13 matched with the mounting grooves 402 are fixedly sleeved on the peripheral side surfaces of the silicon carbide heat exchange tubes 2 close to the two ends; through locating plate 13 and mounting groove 402 cooperation, align annular groove 403 with carborundum heat exchange tube 2 and carry out the grafting cooperation to communicate with sleeve pipe 404, thereby place carborundum heat exchange tube 2 in mounting groove 402 with the junction of locating plate 13, and cooperate annular groove 403, improved sealed effect.

In this embodiment, the end of the silicon carbide heat exchange tube 2 close to the sealing tube plate 4 is abutted against the inner wall of the annular groove 403, and the inner wall and the outer wall of the silicon carbide heat exchange tube 2 are both attached to the inner wall of the annular groove 403, so that the sealing effect of the sealing tube plate 4 and the silicon carbide heat exchange tube 2 is further improved.

In this embodiment, the inner diameter of the sealing ring 405 is the same as the outer diameter of the silicon carbide heat exchange tube 2, so that the sealing ring 405 can be attached to the outer side surface of the silicon carbide heat exchange tube 2 and is matched with the annular groove 403 to seal the silicon carbide heat exchange tube 2.

In this embodiment, a positioning shaft 15 is fixed on one side of the sealing tube plate 4 close to the end enclosure 5, and a positioning sleeve 16 matched with the positioning shaft 15 is fixed in the shell 1, so that the shell 1 and the end enclosure 5 can be conveniently assembled and accurately positioned.

In this embodiment, the driving assembly 12 includes a first gear 1201 disposed in the limiting sliding groove 701, one end of the first gear 1201 is fixedly connected to a rotating shaft 1202, one end of the rotating shaft 1202 penetrates through the base 7 and is fixedly connected to a rotating handle 1203, a second gear 1204 engaged with the first gear 1201 is disposed in the limiting sliding groove 701, and the second gear 1204 is fixedly disposed on an outer side surface of the screw 8.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a shell and tube carborundum heat exchanger, includes casing (1), carborundum heat exchange tube (2), baffling board (3), sealed tube sheet (4) and head (5), head (5) set up in casing (1) both ends opening part, sealed tube sheet (4) set up between head (5) and casing (1) opening part, through bolt fixed connection, its characterized in that between head (5), sealed tube sheet (4) and casing (1):

casing (1) lateral surface fixed mounting has support (6), support (6) bottom fixedly connected with base (7), base (7) top is opened along casing (1) axial has spacing spout (701), spacing spout (701) internal rotation is connected with screw rod (8) that set up reverse screw thread, the equal threaded connection of disc has stopper (9) with spacing spout (701) matched with outside screw rod (8) both ends, stopper (9) top is fixed with support column (10), through connecting block (11) fixed connection between support column (10) and head (5), base (7) one side is equipped with drive screw (8) pivoted drive assembly (12).

2. The shell and tube silicon carbide heat exchanger according to claim 1, wherein a mounting groove (402) is formed in one side of the sealing tube plate (4) close to the shell (1), a plurality of uniformly distributed annular grooves (403) which are matched with the silicon carbide heat exchange tubes (2) in an inserting manner are formed in the mounting groove (402), a plurality of uniformly distributed sleeves (404) which are communicated with the annular grooves (403) are fixed on the other side of the sealing tube plate (4), and a sealing ring (405) which is matched with the silicon carbide heat exchange tubes (2) is fixed at the notch of the annular grooves (403); the silicon carbide heat exchange tubes (2) and the baffle plates (3) are both provided with a plurality of parts, the baffle plates (3) are located inside the shell (1), the silicon carbide heat exchange tubes (2) penetrate through the baffle plates (3), and positioning plates (13) matched with the mounting grooves (402) are fixedly sleeved on the peripheral side surfaces of the silicon carbide heat exchange tubes (2) close to the two ends.

3. The shell and tube silicon carbide heat exchanger according to claim 2, wherein one end of the silicon carbide heat exchange tube (2) close to the sealing tube plate (4) is abutted against the inner wall of the annular groove (403), and the inner wall and the outer wall of the silicon carbide heat exchange tube (2) are attached to the inner wall of the annular groove (403).

4. The shell and tube silicon carbide heat exchanger according to claim 2, wherein the inner diameter of the sealing ring (405) is the same as the outer diameter of the silicon carbide heat exchange tube (2).

5. The shell and tube silicon carbide heat exchanger according to claim 1, wherein sealing rings (401) respectively matched with the shell (1) and the end enclosure (5) are fixed on both sides of the sealing tube plate (4), sealing grooves (14) matched with the sealing rings (401) are formed in one sides of the shell (1) and the end enclosure (5) close to the sealing tube plate (4), a positioning shaft (15) is fixed on one side of the sealing tube plate (4) close to the end enclosure (5), and a positioning sleeve (16) matched with the positioning shaft (15) is fixed in the shell (1).

6. The shell and tube silicon carbide heat exchanger according to claim 4, wherein the driving assembly (12) comprises a first gear (1201) arranged in a limiting chute (701), one end of the first gear (1201) is fixedly connected with a rotating shaft (1202), one end of the rotating shaft (1202) penetrates through the base (7) and is fixedly connected with a rotating handle (1203), a second gear (1204) meshed with the first gear (1201) is arranged in the limiting chute (701), and the second gear (1204) is fixedly arranged on the outer side surface of the screw (8).