CN210802142U

CN210802142U - Floating head tube type graphite heat exchanger

Info

Publication number: CN210802142U
Application number: CN201921157508.7U
Authority: CN
Inventors: 单玉楼; 梅德乔; 李洋
Original assignee: Dongtai Tonggang Graphite Equipment Co ltd
Current assignee: Dongtai Tonggang Graphite Equipment Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-06-19
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a floating head shell and tube graphite heat exchanger relates to heat exchanger technical field. The utility model comprises a shell and a heat exchange system, wherein a backing plate is fixedly connected with the peripheral surface of the shell, a motor is fixedly connected with the upper surface of the backing plate, one end of an output shaft of the motor penetrates through the interior of the shell and is fixedly connected with a first bevel gear; the heat exchange system comprises two tube plates, a second bevel gear and a heat exchange tube bundle, wherein the heat exchange tube bundle penetrates through the second bevel gear, two ends of the heat exchange tube bundle are fixedly communicated with the tube plates, and the second bevel gear is meshed with the first bevel gear; the peripheral surface of one end of the pipe shell is provided with a hot fluid inlet which is communicated with a feeding pipe, and the peripheral side surface of the feeding pipe is communicated with a shunt pipe. The utility model discloses a motor drives intermeshing's bevel gear and rotates, drives the heat exchanger tube bank rotation under second bevel gear effect for the thermal current contacts fully with the heat exchanger tube bank, the effectual heat exchange efficiency that has improved.

Description

Floating head tube type graphite heat exchanger

Technical Field

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

Background

The graphite heat exchanger can be divided into three types of block hole type, shell and tube type and plate type according to the structure, the shell and tube type is most commonly used generally, especially the floating head shell and tube type graphite heat exchanger can be used under high temperature and high pressure, and the heat exchanger has simpler structure and reliable operation and can be manufactured by various structural materials. The heat flow feed inlet of present commonly used shell and tube graphite heat exchanger generally makes the heat flow directly get into inside the tube shell, can cause certain damage to the tube shell inside, and heat exchange tube bank is limited with the hot-fluid contact time simultaneously, and heat exchange efficiency remains to be further improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a floating head shell and tube graphite heat exchanger to solve the problem in the above-mentioned background art, have the advantage that slows down the thermal current velocity of flow, heat transfer efficient.

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

the utility model relates to a floating head tube type graphite heat exchanger, which comprises a tube shell and a heat exchange system, wherein a backing plate is fixedly connected with the peripheral surface of the shell, a motor is fixedly connected with the upper surface of the backing plate, one end of an output shaft of the motor penetrates through the interior of the tube shell, and is fixedly connected with a first bevel gear; the heat exchange system comprises two tube plates, a second bevel gear and a heat exchange tube bundle, wherein the heat exchange tube bundle penetrates through the second bevel gear, two ends of the heat exchange tube bundle are fixedly communicated with the tube plates, and the second bevel gear is meshed with the first bevel gear; the thermal fluid inlet is formed in the circumferential surface of one end of the pipe shell, the thermal fluid inlet is communicated with a feeding pipe, the circumferential side surface of the feeding pipe is communicated with a shunt pipe, a plurality of first shunt holes are formed in the circumferential side surface of the shunt pipe, and a plurality of second shunt holes are formed in two ends of the shunt pipe.

Further, a first sealing ring is fixedly connected to the peripheral side surface of the tube plate.

Furthermore, the heat exchange system further comprises a plurality of flow splitting baffles, the heat exchange tube bundle penetrates through the flow splitting baffles, and the side faces of the flow splitting baffles are fixedly connected with second sealing rings.

Furthermore, two ends of the pipe shell are connected with each other through a flange and a bolt, wherein a cold fluid inlet is formed in the surface of one end socket, and a cold fluid outlet is formed in the surface of the other end socket.

Further, the other end peripheral surface of the pipe shell opposite to the hot fluid inlet is provided with a hot fluid outlet.

Furthermore, the inner wall of the pipe shell is provided with a sealing groove which is respectively matched with the first sealing ring and the second sealing ring in a rotating way.

The utility model discloses following beneficial effect has:

1. the utility model discloses a motor drives intermeshing's bevel gear and rotates, drives the heat exchanger tube bank rotation under second bevel gear effect for the hot-fluid contacts fully with the heat exchanger tube bank, the effectual heat exchange efficiency that has improved.

2. The utility model discloses a shunt tubes runs through the inlet pipe, has seted up the diffluence orifice on the inlet pipe for the thermal current loops through the diffluence orifice inside the flow tube that flows in under the reposition of redundant personnel effect of shunt tubes, has the effect that slows down the thermal current velocity of flow.

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 floating head tube type graphite heat exchanger of the present invention;

FIG. 2 is a schematic diagram of a heat exchange system;

FIG. 3 is a schematic view of the tube sheet construction;

FIG. 4 is a schematic structural view of a baffle plate;

FIG. 5 is a schematic structural diagram of the first bevel gear and the second bevel gear inside the pipe shell;

FIG. 6 is a schematic view of the interior of one end of the tube shell;

fig. 7 is an enlarged view of the shunt.

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

1-pipe shell, 101-sealing groove, 2-cold fluid inlet, 3-cold fluid outlet, 4-hot fluid inlet, 401-feeding pipe, 5-hot fluid outlet, 6-end socket, 7-flange, 8-backing plate, 9-motor, 10-bolt, 11-pipe plate, 1101-first sealing ring, 12-split baffle, 1201-second sealing ring, 13-second bevel gear, 14-heat exchange pipe bundle, 15-first bevel gear, 16-split pipe, 1601-first split hole and 1602-second split hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-7, the utility model discloses a floating head shell and tube graphite heat exchanger, including tube 1, heat transfer system, shell 1 all surface fixedly connected with two backing plates 8, two backing plates 8 structure size is the same, and backing plates 8 place side by side and make upper surface connected's motor 9 more firm, backing plate 8 upper surface fixedly connected with a motor 9, motor 9 output shaft one end runs through to the inside of tube 1, and fixedly connected with first bevel gear 15, the output shaft of motor 9 is airtight good under the bearing seal effect; the heat exchange system comprises two tube plates 11, a second bevel gear 13 and a heat exchange tube bundle 14, wherein the heat exchange tube bundle 14 penetrates through the second bevel gear 13, the two ends of the heat exchange tube bundle 11 are fixedly communicated with the tube plates 11, the flow splitting baffles 12 are fixed on the heat exchange tube bundle 14 in an up-and-down staggered manner, and the second bevel gear 13 is meshed with a first bevel gear 15; the thermal fluid inlet 4 is arranged on the circumferential surface of one end of the tube shell 1, the thermal fluid inlet 4 is communicated with a feeding tube 401, the feeding tube 401 is hollow, the bottom end of the feeding tube 401 is closed, the circumferential side surface of the feeding tube 401 is communicated with a shunt tube 16, the shunt tube 16 is hollow and arched, the shunt tube 16 and the tube shell 1 are coaxial, a first shunt hole 1601 is formed in the circumferential side surface of the shunt tube 16, and second shunt holes 1602 are formed in two ends of the shunt tube 16.

Wherein, a first sealing ring 1101 is fixedly connected to the peripheral side surface of the tube plate 11.

The heat exchange system further comprises a plurality of flow splitting baffles 12, the heat exchange tube bundle 14 penetrates through the flow splitting baffles 12, and the side surfaces of the flow splitting baffles 12 are fixedly connected with second sealing rings 1201.

The two ends of the pipe shell 1 are connected with 6 through flanges 7 and bolts 10, wherein a cold fluid inlet 2 is formed in the surface of one end socket 6, and a cold fluid outlet 3 is formed in the surface of the other end socket 6.

Wherein, the other end of the shell 1 opposite to the hot fluid inlet 4 is provided with a hot fluid outlet 5 on the peripheral surface.

Wherein, the inner wall of the tube shell 1 is provided with a sealing groove 101 which is respectively matched with the first sealing ring 1101 and the second sealing ring 1201 in a rotating way.

One working principle of the embodiment is as follows: cold fluid is injected into the end socket 6 through the cold fluid inlet 2, the cold fluid flows into the heat exchange tube bundle 14 through the through holes on the tube plate 11, hot fluid is introduced into the hot fluid inlet 4, the hot fluid reaches the interior of the shunt tubes 16 through the feed pipe 401, and finally flows into the interior of the tube shell 1 through the first shunt holes 1601 and the second shunt holes 1602 in a dispersing manner, the hot fluid passes through the plurality of flow splitting baffles 12 and contacts with the heat exchange tube bundle 14, so that the cold fluid in the heat exchange tube bundle 14 and the hot fluid in the tube shell 1 exchange heat with each other, meanwhile, under the action of the motor 9 fixedly connected to the backing plate 8, one end of the output shaft of the motor 9 penetrates into the interior of the tube shell 1 and is fixedly connected with the first bevel gear 15, meanwhile, the first bevel gear 15 drives the meshed second bevel gear 13 to rotate, because the heat exchange tube bundle 14 penetrates through the, the heat exchange of the hot fluid and the cold fluid is more sufficient, after the heat exchange is finished, the hot fluid in the pipe shell 1 is collected through the hot fluid outlet 5, and the cold fluid in the heat exchange pipe bundle 14 is finally discharged through the cold fluid outlet 3.

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 floating head shell and tube graphite heat exchanger, includes tube (1), heat transfer system, its characterized in that: a base plate (8) is fixedly connected to the peripheral surface of the tube shell (1), a motor (9) is fixedly connected to the upper surface of the base plate (8), one end of an output shaft of the motor (9) penetrates into the tube shell (1), and a first bevel gear (15) is fixedly connected to the output shaft of the motor; the heat exchange system comprises two tube plates (11), a second bevel gear (13) and a heat exchange tube bundle (14), wherein the heat exchange tube bundle (14) penetrates through the second bevel gear (13), two ends of the heat exchange tube bundle (14) are fixedly communicated with the tube plates (11), and the second bevel gear (13) is meshed with a first bevel gear (15); the shell (1) one end week surface is equipped with hot-fluid entry (4), hot-fluid entry (4) intercommunication has a inlet pipe (401), inlet pipe (401) week side intercommunication has a shunt tubes (16), a plurality of first shunt holes (1601) have been seted up to shunt tubes (16) week side, a plurality of second shunt holes (1602) have been seted up at shunt tubes (16) both ends.

2. The floating-head shell and tube graphite heat exchanger according to claim 1, characterized in that a first sealing ring (1101) is fixedly connected to the peripheral side surface of the tube plate (11).

3. The floating head tube type graphite heat exchanger according to claim 1, characterized in that the heat exchange system further comprises a plurality of flow splitting baffles (12), the heat exchange tube bundle (14) penetrates through the flow splitting baffles (12), and a second sealing ring (1201) is fixedly connected to the side surface of the flow splitting baffles (12).

4. The floating head tube type graphite heat exchanger according to claim 1, characterized in that the two ends of the tube shell (1) are connected with end sockets (6) through flanges (7) and bolts (10), wherein a cold fluid inlet (2) is arranged on the surface of one end socket (6), and a cold fluid outlet (3) is arranged on the surface of the other end socket (6).

5. The floating-head shell and tube graphite heat exchanger according to claim 1, characterized in that the other end of the shell and tube (1) opposite to the hot fluid inlet (4) is provided with a hot fluid outlet (5) on the peripheral surface.

6. The floating-head tube type graphite heat exchanger according to claim 1, characterized in that the inner wall of the tube shell (1) is provided with a sealing groove (101) which is respectively matched with the first sealing ring (1101) and the second sealing ring (1201) in a rotating way.