CN218846968U

CN218846968U - Tubular heat exchanger convenient to clean

Info

Publication number: CN218846968U
Application number: CN202223600786.XU
Authority: CN
Inventors: 肖德建; 张启发; 张方步
Original assignee: Rushan Risheng Machinery Manufacture Co ltd
Current assignee: Rushan Risheng Machinery Manufacture Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-11
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to a tubular heat exchanger of convenient clearance belongs to the technical field of heat exchanger, and it includes the casing, and the both ends of casing all are connected with the head, are provided with a plurality of heat-transfer pipes and a plurality of baffling board, its characterized in that in the casing: a plurality of baffle plates are connected with each other and are connected in the shell in a sliding mode, a plurality of through holes for the heat transfer pipes to penetrate out are formed in the baffle plates, a plurality of mounting plates are arranged on the baffle plates and are arranged between two adjacent rows of through holes in parallel, bristles for cleaning the heat transfer pipes are arranged on the mounting plates, the lengths of the bristles contacting with the heat transfer pipes are a, the diameters of the heat transfer pipes are b, and the number of 1/2b is not less than a and not more than b. Through setting up mounting panel and brush hair, when needing clean the heat-transfer pipe outer wall, a plurality of baffling boards of drive slide in the casing jointly, and the brush hair can be cleared up the outer wall of heat-transfer pipe to can clear away the dirt of heat-transfer pipe outer wall, promote the clean effect to the heat-transfer pipe outer wall, also can accomplish the cleaning work when carrying out the heat transfer during operation.

Description

Tubular heat exchanger convenient to clean

Technical Field

The application relates to the technical field of heat exchangers, in particular to a tubular heat exchanger convenient to clean.

Background

The tubular heat exchanger (also called shell-and-tube type and shell-and-tube type) is the most typical dividing wall type heat exchanger, has a long history in industrial application, and still occupies the dominance in all heat exchangers; the tubular heat exchanger mainly comprises a shell, a tube bundle, a tube plate, an end enclosure and the like, wherein the shell is mostly circular, the interior of the shell is provided with the parallel tube bundle, and two ends of the tube bundle are fixed on the tube plate. The heat exchange tube and the inner wall of the shell in the tube heat exchanger are easy to scale, the scale on the inner wall of the shell has little influence on the heat exchanger, but after the outer wall of the heat exchange tube is scaled, the heat exchange efficiency between the hot fluid and the cold fluid is greatly reduced due to the scale layer, so that the scale of the heat exchange tube needs to be removed regularly.

In the related art, patent with publication number CN217953226U and publication number 2022-12-02 discloses a heat exchanger convenient for cleaning the outer wall of a heat exchange tube, which comprises a shell, end sockets positioned at two sides of the shell, and a heat exchange tube positioned in the shell; a plurality of scraping plates are arranged inside the shell, all the heat exchange tubes are sleeved in scraping holes in the scraping plates, and the scraping plates are connected with push rods; the scraper is driven to move along the direction of the heat exchange tube by pushing and pulling the push rod, so that dirt on the outer wall of the heat exchange tube is scraped and cleaned. The beneficial effects of the utility model reside in that: the automatic descaling device can automatically clean the outer wall of the heat exchange pipe without dismounting the heat exchanger, can finish cleaning work at any time, and can also perform heat exchange work; and the scraper is used as a baffle plate, and the scraper is guided by the guide seat when taken out of the shell, so that the direction of the force is consistent with the length direction of the shell when the integral structure of the scraper and the heat exchange tube is extracted, and the extrusion, bending and deformation between the scraper and the inner wall of the shell are well avoided.

In view of the above-mentioned related art, the inventors found that the following drawbacks exist: in the related technology, a driving mechanism is used for driving a scraper to push and pull along the direction of a heat exchange tube, so that a scale layer on the outer wall of the heat exchange tube is scraped and cleaned by using a scraping hole on the scraper, and a soft grinding rubber pad is arranged on the inner surface of the scraping hole on the scraper in order to avoid scraping the heat exchange tube; but only the friction between the soft grinding rubber pad and the heat exchange tube is used for removing the dirt on the outer wall of the heat exchange tube, the cleaning force is poor, and the good cleaning effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

In order to improve the clean effect to the heat transfer pipe outer wall, this application provides a tubular connection who conveniently clears up has a heat exchanger, adopts following technical scheme:

a pipe type heat exchanger convenient to clean comprises a shell, wherein two ends of the shell are connected with end sockets through flanges and sealing gaskets, the shell is provided with a first inlet and a first outlet, and the two end sockets are respectively provided with a second inlet and a second outlet; tube plates are arranged at the two end sockets, a plurality of heat transfer tubes are arranged in the shell, the length directions of the heat transfer tubes are parallel to the length direction of the shell, and two ends of the heat transfer tubes are respectively communicated with the two tube plates; a plurality of baffle plates are arranged between the two tube plates, the baffle plates are divided into two groups, gaps are formed in the two groups of baffle plates, and the two groups of baffle plates are arranged in opposite intervals; the baffle plate is provided with a plurality of through holes, and the heat transfer pipe penetrates through the through holes of the baffle plate; the heat transfer pipe comprises a plurality of baffle plates, a shell and a plurality of brush hairs, wherein the baffle plates are mutually connected and are jointly connected with the shell in a sliding manner, a plurality of mounting plates are arranged on the baffle plates and are arranged between two adjacent rows of through holes in parallel, the brush hairs are arranged on the mounting plates and are used for cleaning the heat transfer pipe, the length of the brush hairs contacting the heat transfer pipe is a, the diameter of the heat transfer pipe is b, and a is more than or equal to 1/2b and less than or equal to b.

Through adopting above-mentioned technical scheme, set up mounting panel and brush hair, when needing clean heat transfer pipe outer wall, drive a plurality of baffling boards and slide in the casing jointly, except that the through-hole can carry out preliminary clearance to the heat transfer pipe outer wall, the brush hair also can clear up the outer wall of heat transfer pipe, thereby can clear away the dirt of heat transfer pipe outer wall, through the injecing to brush hair length, the clean effect to the heat transfer pipe outer wall has been promoted, and just can realize the snaking that goes on the heat transfer pipe outer wall under the condition of not dismouting heat exchanger and handle, the cleaning work can both be accomplished at any time, also can go on carrying out heat transfer during operation.

Preferably, the mounting plates are arranged on two sides of the baffle plate, and the direction of the bristles on the mounting plates on the two sides is opposite.

Through adopting above-mentioned technical scheme, all set up the mounting panel in the both sides of baffling board to the brush hair orientation of the mounting panel of both sides is opposite, when making the baffling board slide, the brush hair of both sides can clear up whole heat-transfer pipe.

Preferably, the mounting plate is detachably connected with the baffle plate.

Through adopting above-mentioned technical scheme, set up the purpose that mounting panel and baffling board can be dismantled and be connected and be convenient for change the mounting panel when the brush hair received the damage.

Preferably, the baffle plate is fixedly connected with a sliding block, the inner wall of the shell is provided with a sliding groove, and the sliding block is connected with the shell in a sliding mode along the sliding groove.

Through adopting above-mentioned technical scheme, the purpose of setting up slider and spout can play the guide effect to sliding of baffling board, has alleviateed when the baffling board slides and has taken place the extruded possibility between the shells inner wall.

Preferably, a support rod is connected between the baffle plates, one end of the support rod penetrates through one of the tube plates and one of the end sockets and is connected with a pull plate, and the pull plate is arranged outside; and a sealing ring for sealing is arranged between the support rod and the end socket.

Through adopting above-mentioned technical scheme, set up bracing piece and arm-tie, during the use, pulling arm-tie, arm-tie drive baffling board slides in the casing to can clear up the heat transfer pipe.

Preferably, the support rod is detachably connected with the pull plate.

Through adopting above-mentioned technical scheme, when setting up the purpose that bracing piece and arm-tie can dismantle the connection, be convenient for dismantle the head through pulling down the arm-tie.

Preferably, the heat transfer pipe is detachably connected with the pipe plate.

By adopting the technical scheme, the heat transfer pipes and the pipe plates are detachably connected, so that firstly, when the heat transfer pipes are damaged, a single heat transfer pipe is convenient to replace; secondly, the tube plate is convenient to detach, so that the baffle plate can be taken out, the baffle plate is convenient to clean, and the mounting plate and the bristles on the baffle plate are convenient to replace.

In summary, the present application at least includes the following beneficial technical effects:

1. through setting up mounting panel and brush hair, when needing clean heat transfer pipe outer wall, drive a plurality of baffling boards and slide in the casing jointly, except that the through-hole can carry out preliminary clearance to the heat transfer pipe outer wall, the brush hair also can clear up the outer wall of heat transfer pipe, thereby can clear away the dirt of heat transfer pipe outer wall, through the injecing to brush hair length, the clean effect to the heat transfer pipe outer wall has been promoted, and just can realize the snaking that goes on to the heat transfer pipe outer wall under the condition of not dismouting heat exchanger and handle, the cleaning work can both be accomplished at any time, also can go on when carrying out heat transfer work.

2. The installation plates are arranged on the two sides of the baffle plate, and the brush hairs of the installation plates on the two sides face oppositely, so that when the baffle plate slides, the brush hairs on the two sides can clean the whole heat transfer pipe.

3. Through setting up bracing piece and arm-tie, during the use, pulling arm-tie, the arm-tie drive baffling board slides in the casing to can clear up the heat transfer pipe.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a schematic structural view showing a connection relationship between the heat transfer pipe and the baffle in the casing.

FIG. 3 is a schematic view showing the connection relationship between the baffles, support rods, tube sheets and pulling plates.

FIG. 4 is a schematic view showing the configuration of opposite sides of a baffle.

Description of reference numerals: 1. a housing; 2. sealing the end; 3. a first inlet; 4. a first outlet; 5. a second inlet; 6. a second outlet; 7. a heat transfer tube; 8. a baffle plate; 9. a support bar; 10. pulling a plate; 11. a slider; 12. a tube sheet; 13. mounting a plate; 14. and (3) brush hairs.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The application discloses tubular heat exchanger of convenient clearance.

Referring to fig. 1, a tubular heat exchanger convenient to clean includes a shell 1, both ends of the shell 1 are connected with end sockets 2 through flanges and sealing gaskets, the shell 1 is provided with a first inlet 3 and a first outlet 4, and the two end sockets 2 are respectively provided with a second inlet 5 and a second outlet 6.

Referring to fig. 2, a plurality of heat transfer pipes 7 are provided in the casing 1, and the longitudinal direction of each of the plurality of heat transfer pipes 7 is parallel to the longitudinal direction of the casing 1. A plurality of baffle plates 8 are arranged in the shell 1, and the side walls of the baffle plates 8 are attached to the inner wall of the shell 1. The baffle plates 8 are divided into two groups, notches are formed in the two groups of baffle plates 8, and the two groups of baffle plates 8 are arranged in opposite intervals. A plurality of through holes are arranged on the baffle plate 8, and the heat transfer pipe 7 is arranged in the through hole of the baffle plate 8 in a penetrating way. In order to avoid scratching the heat transfer pipe 7, the inner surface of the through hole is provided with a silica gel pad.

Referring to fig. 2 and 3, a support rod 9 is connected between the baffle plates 8, the support rod 9 penetrates through one of the end sockets 2 and is detachably connected with a pull plate 10, the pull plate 10 is arranged outside, and a sealing ring for sealing is arranged between the support rod 9 and the end socket 2. Specifically, the connection between the support rod 9 and the pulling plate 10 may be through a bolt connection or a threaded connection. Fixedly connected with slider 11 on the baffling board 8, seted up the spout on the 1 inner wall of casing, slider 11 slides along the spout and is connected with casing 1. It should be noted that the pulling plate 10 may also be connected to a driving device such as an air cylinder or an electric push rod to realize automatic driving of the pulling plate 10, and this embodiment does not relate to improvement of the driving method of the pulling plate 10, and details are not described herein.

The two seal heads 2 are provided with tube plates 12, and the tube plates 12 are connected with the shell 1 and the seal heads 2 through gaskets. Both ends of the plurality of heat transfer tubes 7 are respectively communicated with the two tube plates 12. The heat transfer tubes 7 are connected with the tube plates 12 through threads so as to facilitate the disassembly of the heat transfer tubes 7 and the tube plates 12. The support rod 9 penetrates through the tube plate 12 close to the pulling plate 10 and is connected with the tube plate 12 in a sliding mode.

Referring to fig. 2 and 4, a plurality of mounting plates 13 are detachably connected to two opposite side surfaces of the baffle plate 8, the mounting plates 13 are arranged between adjacent through holes in parallel, bristles 14 are fixedly connected to the mounting plates 13 and used for cleaning the heat transfer pipes, and the orientations of the bristles 14 on the mounting plates 13 on the two sides are opposite. The length of the brush hairs 14 contacting the heat transfer pipe 7 is a, the diameter of the heat transfer pipe 7 is b, and a is more than or equal to 1/2b and less than or equal to b. In particular, the baffle plate 8 and the mounting plate 13 can be riveted or bolted.

The implementation principle of the embodiment is as follows:

when the shell-side heat exchanger is used, shell-side fluid flows into the shell 1 through the first inlet 3, then flows through a path formed by the two groups of baffle plates 8, flows through the shell 1 through the first outlet 4, enters the inside of one end socket 2 through the second inlet 5, enters the inside of the other end socket 2 through the heat transfer pipe 7, and is output through the second outlet 6, and heat in the shell-side fluid can be transferred into the tube-side fluid through the heat transfer pipe 7 in the liquid flowing process;

when needing clean heat pipe outer wall, pulling arm-tie 10, arm-tie 10 drive bracing piece 9 slides in casing 1, and then slide in casing 1 along the spout of casing 1 inner wall slider 11 on the driving a plurality of baffling boards 8, except that the through-hole can carry out preliminary clearance to heat pipe 7 outer wall, brush hair 14 also can clear up heat pipe 7's outer wall, thereby can clear away the dirt of heat pipe 7 outer wall, promoted the clean effect to heat pipe 7 outer wall.

Claims

1. The utility model provides a tubular heat exchanger of convenient clearance, includes casing (1), the both ends of casing (1) all are connected with head (2), be provided with a plurality of heat-transfer pipes (7) and a plurality of baffling board (8) in casing (1), its characterized in that: the heat transfer tubes (7) are connected with the baffle plates (8) in a mutual sliding manner and are connected in the shell (1), the baffle plates (8) are provided with a plurality of through holes for the heat transfer tubes (7) to penetrate through, the baffle plates (8) are provided with a plurality of mounting plates (13), the mounting plates (13) are arranged between two adjacent rows of the through holes in parallel, the mounting plates (13) are provided with bristles (14) for cleaning the heat transfer tubes (7), the lengths of the bristles (14) contacting the heat transfer tubes (7) are a, the diameters of the heat transfer tubes (7) are b, and a is more than or equal to 1/2b and less than or equal to b.

2. A tube heat exchanger according to claim 1 which is easy to clean and comprises: the mounting plates (13) are arranged on two sides of the baffle plate (8), and the directions of the bristles (14) on the mounting plates (13) on the two sides are opposite.

3. A tube heat exchanger for facilitating cleaning according to claim 2, wherein: the mounting plate (13) is detachably connected with the baffle plate (8).

4. A tube heat exchanger for facilitating cleaning according to claim 1, wherein: the baffle plate (8) is fixedly connected with a sliding block (11), the inner wall of the shell (1) is provided with a sliding groove, and the sliding block (11) is connected with the shell (1) in a sliding mode along the sliding groove.

5. A tube heat exchanger for facilitating cleaning according to claim 1, wherein: a supporting rod (9) is connected between the baffle plates (8), and one end of the supporting rod (9) penetrates through one of the end sockets (2) and is connected with a pulling plate (10).

6. A tube heat exchanger according to claim 5 which is easy to clean and comprises: the supporting rod (9) is detachably connected with the pulling plate (10).