CN215725331U

CN215725331U - Stable shell and tube graphite modified polypropylene heat exchanger

Info

Publication number: CN215725331U
Application number: CN202121463926.6U
Authority: CN
Inventors: 何志刚
Original assignee: Taicang Fuxin Anticorrosive Equipment Co ltd
Current assignee: Taicang Fuxin Anticorrosive Equipment Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-02-01
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a stable shell-and-tube graphite modified polypropylene heat exchanger which comprises a shell, a first end socket and a second end socket, wherein a tube pass inlet is formed in the first end socket, a tube pass outlet is formed in the second end socket, a cooling liquid outlet is formed in the upper portion of the shell, a cooling liquid inlet is formed in the lower portion of the shell, a plurality of baffle plates are further arranged inside the shell and comprise a first baffle plate and a second baffle plate, the number of the first baffle plates is two, the second baffle plate is arranged between the two first baffle plates, the second baffle plate is a rubber plate, supporting legs are arranged on the lower portion of the outer side of the shell, shock absorption pads are arranged at the lower ends of the supporting legs, and a plurality of reinforcing ribs are arranged on the outer side of the shell. The stable tube type graphite modified polypropylene heat exchanger disclosed by the utility model has the advantages that the heat exchange tubes are protected by the baffle plates, fluid leakage caused by abrasion of the heat exchange tubes is avoided, the heat exchanger works stably, and the stability is further improved by damping and strengthening the heat exchanger.

Description

Stable shell and tube graphite modified polypropylene heat exchanger

Technical Field

The utility model belongs to the technical field of heat exchangers, and particularly relates to a stable shell and tube graphite modified polypropylene heat exchanger.

Background

Along with the rapid development of industrial economy, the energy is in shortage gradually, the heat exchanger is often used in the industry, the heat exchanger can utilize media with different temperatures to carry out energy transfer, the energy-saving effect is achieved in the industry, the energy utilization rate is improved, most of the traditional heat exchanger materials adopt metal steel, carbon steel and stainless steel, the occupied area is large, and in an acid environment, the heat exchanger is used for a long time, so that the corrosion resistance of the materials is reduced, and the service life of the heat exchanger is shortened. Besides the oxidative solvent, other acids, alkalis and salt solutions of the polypropylene material are insoluble at 100 ℃, and the polypropylene material is corrosion-resistant and light in weight, so that the graphite modified polypropylene material is widely used for heat exchanger equipment at present.

The shell and the heat exchange tube vibrate in the use process of the existing graphite modified polypropylene tube type heat exchanger, because the heat exchange tube is inserted in the tube plate and the baffle plate, the heat exchange tube is likely to leak due to the abrasion caused by the shearing force, the normal use of the heat exchanger is influenced, and the shell vibrates to easily cause the looseness of the joint and even the service life of the heat exchanger.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the defects, the utility model aims to provide a stable tube type graphite modified polypropylene heat exchanger which is simple in structure, prevents the heat exchange tube from being abraded by vibration through the protection of a rubber plate in a baffle plate on the heat exchange tube, avoids fluid leakage caused by abrasion of the heat exchange tube, enables the heat exchanger to work stably, and further improves the stability of the heat exchanger through integral shock absorption and reinforced strength of the heat exchanger.

The technical scheme is as follows: a stable tube nest type graphite modified polypropylene heat exchanger comprises a shell, a first seal head and a second seal head, wherein the tail ends of the two sides of the shell are respectively connected with the first seal head and the second seal head through flange plates, a tube pass inlet is formed in one end, far away from the shell, of the first seal head, a tube pass outlet is formed in one end, far away from the shell, of the second seal head, a cooling liquid outlet is formed in the upper portion, close to the first seal head, of the shell, a cooling liquid inlet is formed in the lower portion, close to the second seal head, of the shell, and inlets and outlets of cold liquid and hot liquid are arranged in a staggered mode, so that the cold and hot liquid flow direction is in convection, and the heat exchange effect is improved; the shell comprises a shell body, wherein tube plates are arranged at two ends of the shell body, heat exchange tubes connected with the tube plates are arranged in the shell body, a plurality of baffle plates which are distributed in a vertically staggered mode are further arranged in the shell body, each baffle plate comprises a first baffle plate and a second baffle plate, the first baffle plates are provided with two baffle plates which are arranged on the outer sides of the corresponding baffle plates and are in clearance connection with the corresponding heat exchange tubes, the second baffle plates are arranged between the two first baffle plates and are tightly connected with the corresponding heat exchange tubes, the second baffle plates are rubber plates and are corrosion-resistant and high-temperature-resistant, good in elasticity and have a buffering effect on the heat exchange tubes, abrasion of the heat exchange tubes due to vibration is reduced, supporting legs which are symmetrically arranged by taking the shell body as a center are arranged at the lower parts of the outer sides of the shell body, shock absorption pads are arranged at the lower ends of the supporting legs, so that the heat exchangers are more stable, a plurality of reinforcing ribs which are integrally formed with the shell body are arranged on the outer sides of the shell body, and the strength of the shell body is improved, the stability of the heat exchanger is further improved.

Furthermore, according to the stable shell and tube graphite modified polypropylene heat exchanger, rib plates uniformly distributed along the circumference of the flange plate are arranged on the end face, connected with the first seal head and the second seal head, of the flange plate, so that the connection strength of the first seal head, the second seal head and the shell is improved, and leakage is avoided.

Further, according to the stable shell and tube graphite modified polypropylene heat exchanger, the flange plates are connected through the bolts, and the sealing gaskets are arranged between the flange plates and between the connecting surfaces of the bolts and the flange plates, so that the sealing performance of the connecting positions of the heat exchanger is improved, and fluid in the shell is prevented from leaking.

Furthermore, the heat exchange tubes of the stable tube array type graphite modified polypropylene heat exchanger are arranged in parallel, so that the contact area with hot liquid is increased, and the heat exchange efficiency is improved; the heat exchange tube is made of graphite modified polypropylene, and the graphite modified polypropylene has excellent corrosion resistance and high temperature resistance.

Further, according to the stable shell and tube graphite modified polypropylene heat exchanger, the first baffling plate is provided with the plurality of first through holes, the second baffling plate is provided with the plurality of second through holes concentric with the first through holes, and the heat exchange tubes penetrate through the first through holes and the second through holes.

Further, in the stable tube array type graphite modified polypropylene heat exchanger, the aperture of the second through hole is equal to the outer diameter of the heat exchange tube, and the aperture of the first through hole is larger than the outer diameter of the heat exchange tube by 1-1.5 mm. When the heat exchange tube vibrates, the heat exchange tube is in close contact with the second through hole, and the rubber plate has good elasticity and plays a role in buffering, the second baffling plate is squeezed and deformed, force caused by vibration is offset, and the heat exchange tube is prevented from being directly contacted with the first baffling plate to be abraded.

Furthermore, according to the stable shell-and-tube graphite modified polypropylene heat exchanger, the lower part of the shell, which is close to the first seal head, is provided with a sewage discharge cleaning port, so that the heat exchanger can be cleaned and sewage discharged conveniently.

Furthermore, according to the stable shell and tube graphite modified polypropylene heat exchanger, the tube side inlet, the tube side outlet, the cooling liquid inlet and the cooling liquid outlet are respectively provided with the control valve, so that cold liquid and hot liquid can be conveniently controlled, various heat exchange modes are realized, and the heat exchange effect is improved.

The technical scheme shows that the utility model has the following beneficial effects:

1. according to the stable shell-and-tube graphite modified polypropylene heat exchanger, the first seal head, the second seal head and the shell are good in connection strength and sealing performance, the overall sealing performance of the heat exchanger is improved, and fluid in the shell is prevented from leaking;

2. according to the stable tube array type graphite modified polypropylene heat exchanger, the tube side inlet, the tube side outlet, the cooling liquid inlet and the cooling liquid outlet are respectively provided with the control valve, so that cold liquid and hot liquid can be conveniently controlled, the operation is simple, the control is convenient, various heat exchange modes can be realized, and the heat exchange effect is improved;

3. according to the stable tube type graphite modified polypropylene heat exchanger, the rubber plate in the baffle plate protects the heat exchange tube, so that the heat exchange tube is prevented from being abraded by vibration, fluid leakage caused by abrasion of the heat exchange tube is avoided, the heat exchanger works stably, and the stability of the heat exchanger is further improved by damping the whole body of the heat exchanger and enhancing the strength.

Drawings

FIG. 1 is a schematic structural diagram of a stable shell and tube graphite modified polypropylene heat exchanger according to the present invention;

FIG. 2 is a schematic left-view structural diagram of a stable shell-and-tube graphite modified polypropylene heat exchanger according to the present invention;

FIG. 3 is a schematic diagram of a baffle plate front view structure of a stable shell and tube graphite modified polypropylene heat exchanger according to the present invention;

FIG. 4 is a schematic diagram of a side view of a baffle plate of a stable shell and tube graphite modified polypropylene heat exchanger according to the present invention;

in the figure: the device comprises a shell 1, a first seal head 2, a second seal head 3, a flange plate 4, rib plates 41, a tube pass inlet 5, a tube pass outlet 6, a cooling liquid outlet 7, a cooling liquid inlet 8, a tube plate 9, a heat exchange tube 10, a baffle plate 11, a first baffle plate 111, a second baffle plate 112, a first through hole 113, a second through hole 114, supporting legs 12, reinforcing ribs 13 and a pollution discharge cleaning opening 14.

Detailed Description

The utility model is further elucidated with reference to the drawings and the embodiments.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

As shown in fig. 1-4, the stable tube array type graphite modified polypropylene heat exchanger provided by the utility model comprises a shell 1, a first seal head 2 and a second seal head 3, wherein the tail ends of two sides of the shell 1 are respectively connected with the first seal head 2 and the second seal head 3 through flange plates 4, one end of the first seal head 2, which is far away from the shell 1, is provided with a tube pass inlet 5, one end of the second seal head 3, which is far away from the shell 1, is provided with a tube pass outlet 6, the upper part of the shell 1, which is close to the first seal head 2, is provided with a cooling liquid outlet 7, the lower part, which is close to the second seal head 3, is provided with a cooling liquid inlet 8, and inlets and outlets of cold liquid and hot liquid are arranged in a staggered manner, so that the cold liquid and hot liquid flow directions are in a convection manner, and the heat exchange effect is improved; the supporting legs 12 that use casing 1 to set up as central symmetry are equipped with to 1 outside lower part of casing, the 12 lower extremes of supporting legs are equipped with the shock pad for the heat exchanger is more stable, 1 outside of casing is equipped with a plurality of strengthening ribs 13 with 1 integrated into one piece of casing, has improved casing 1's intensity, has further improved the stability of heat exchanger.

The heat exchanger is characterized in that tube plates 9 are arranged at two ends of the shell 1, heat exchange tubes 10 connected with the tube plates 9 are arranged in the shell 1, and a plurality of baffle plates 11 which are distributed in an up-and-down staggered mode are further arranged in the shell 1. As shown in fig. 3-4, the baffle plate 11 includes a first baffle plate 111 and a second baffle plate 112, the first baffle plate 111 is provided with two baffle plates 111 disposed outside the baffle plate 11 and connected to the heat exchange tube 10 with a gap, the second baffle plate 112 is disposed between the two first baffle plates 111 and tightly connected to the heat exchange tube 10, and the second baffle plate 112 is a rubber plate, corrosion-resistant, high temperature-resistant, and elastic; the first baffling plate 111 is provided with a plurality of first through holes 113, the second baffling plate 112 is provided with a plurality of second through holes 114 concentric with the first through holes 113, the heat exchange tubes 10 penetrate through the first through holes 113 and the second through holes 114, the aperture of the second through holes 114 is equal to the outer diameter of the heat exchange tubes 10, and the aperture of the first through holes 113 is larger than the outer diameter of the heat exchange tubes 10 and is 1-1.5mm larger. When the heat exchange tube 10 vibrates, the heat exchange tube 10 is in close contact with the second through holes 114, and the rubber plate has good elasticity and plays a role in buffering, so that the second baffle plate 112 is extruded and deformed, the force caused by vibration is offset, and the heat exchange tube 10 is prevented from being worn due to direct contact with the first baffle plate 111.

Example 2

As shown in fig. 1-2, rib plates 41 uniformly distributed along the circumference of the flange plate are arranged on the end face where the flange plate 4 is connected with the first seal head 2 and the second seal head 3, the flange plate 4 is connected through bolts, and sealing gaskets are arranged between the flange plate 4 and between the bolts and the connection face of the flange plate 4, so that the sealing performance of the connection part of the heat exchanger is improved.

The heat exchange tubes 10 are arranged in parallel in a multi-tube manner, and the heat exchange tubes 10 are made of graphite modified polypropylene.

And a sewage discharge cleaning port 14 is formed in the lower part of the shell 1, which is close to the first seal head 2, so that the heat exchanger can clean and discharge sewage conveniently.

All be equipped with control valve on tube side entry 5, tube side export 6, coolant liquid entry 8, the coolant liquid export 7, conveniently control cold liquid, hydrothermal, realize multiple heat transfer mode, improve the heat transfer effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. A stable shell and tube graphite modified polypropylene heat exchanger is characterized in that: including casing (1), first head (2), second head (3), casing (1) both sides end is connected with first head (2), second head (3) respectively through flange plate (4), the one end that casing (1) were kept away from in first head (2) is equipped with tube side entry (5), the one end that casing (1) were kept away from in second head (3) is equipped with tube side export (6), the upper portion that casing (1) is close to first head (2) is equipped with coolant liquid export (7), and the lower part that is close to second head (3) is equipped with coolant liquid entry (8), casing (1) both ends are equipped with tube sheet (9), the inside heat exchange tube (10) of being connected with tube sheet (9) that is equipped with of casing (1), the inside baffling board (11) that still is equipped with a plurality of crisscross distributions from top to bottom that still of casing (1), baffling board (11) include first baffling branch board (111), Second baffling divides board (112), first baffling divides board (111) to be equipped with two and locates baffling board (11) outsides to with heat exchange tube (10) clearance connection, second baffling divides board (112) to locate two first baffling and divides board (111) centre, second baffling divides board (112) to be the rubber slab, casing (1) outside lower part is equipped with supporting legs (12) that use casing (1) to set up as central symmetry, supporting legs (12) lower extreme is equipped with the shock pad, casing (1) outside is equipped with a plurality of strengthening ribs (13) with casing (1) integrated into one piece.

2. The stable shell and tube graphite modified polypropylene heat exchanger of claim 1, wherein: the end face of the flange plate (4) connected with the first seal head (2) and the second seal head (3) is provided with rib plates (41) which are uniformly distributed along the circumference of the flange plate (4).

3. The stable shell and tube graphite modified polypropylene heat exchanger of claim 2, wherein: the flange plate (4) is connected through bolts, and sealing gaskets are arranged between the flange plate (4) and between the bolts and the connecting surfaces of the flange plate (4).

4. The stable shell and tube graphite modified polypropylene heat exchanger of claim 1, wherein: the heat exchange tubes (10) are arranged in parallel in a multi-tube mode and are made of graphite modified polypropylene.

5. The stable shell and tube graphite modified polypropylene heat exchanger of claim 1, wherein: be equipped with a plurality of first through-holes (113) on first baffling minute board (111), be equipped with a plurality of second through-holes (114) with first through-hole (113) are endocentric on second baffling minute board (112), wear to be equipped with heat exchange tube (10) in first through-hole (113) and second through-hole (114).

6. The stable shell and tube graphite modified polypropylene heat exchanger of claim 5, wherein: the aperture of the second through hole (114) is equal to the outer diameter of the heat exchange tube (10), and the aperture of the first through hole (113) is larger than the outer diameter of the heat exchange tube (10) and is 1-1.5mm larger.

7. The stable shell and tube graphite modified polypropylene heat exchanger of claim 1, wherein: and a sewage discharge cleaning port (14) is formed in the lower part, close to the first seal head (2), of the shell (1).

8. The stable shell and tube graphite modified polypropylene heat exchanger of claim 7, wherein: and control valves are arranged on the tube pass inlet (5), the tube pass outlet (6), the cooling liquid inlet (8) and the cooling liquid outlet (7).