CN221259583U

CN221259583U - Shell and tube cooler

Info

Publication number: CN221259583U
Application number: CN202323020486.9U
Authority: CN
Inventors: 李树昌; 黄颂恒; 龚扬飞; 张国才
Original assignee: Dongguan City Green Food Technology Co ltd
Current assignee: Dongguan City Green Food Technology Co ltd
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2024-07-02
Anticipated expiration: 2033-11-08

Abstract

The utility model belongs to the technical field of tube cooling, and particularly relates to a tube type cooler, which comprises a tube shell; a cooling cavity is arranged in the tube shell, the cooling liquid flows through the cooling cavity, and a plurality of inner tubes are arranged in the cooling cavity; the left and right sides of the tube shell are respectively provided with a water inlet and a water outlet, and the left and right ends of the inner tube are respectively communicated with the water inlet and the water outlet; the inner tube comprises a plurality of cooling sections and a plurality of fixing sections; the cooling sections and the fixing sections are connected in a staggered manner, and the angle between the adjacent cooling sections is smaller than 180 degrees, so that the tube side of cooling water passing through the inner tube is increased; a plurality of fixing plates are arranged in the cooling cavity and are used for fixing the fixing section and prolonging the shell pass of the liquid to be cooled; according to the utility model, the heat exchange area between the liquid to be cooled and the cooling water is increased by simultaneously increasing the tube pass and the shell pass, so that the heat exchange efficiency between the two liquids is improved, and the cooling effect of the liquid to be cooled is enhanced.

Description

Shell and tube cooler

Technical Field

The utility model belongs to the technical field of tube cooling, and particularly relates to a tube type cooler.

Background

The shell-and-tube cooler, also called shell-and-tube cooler, is widely applied to the industries such as metallurgy, mine, cement, electric power, light industry, food, chemical industry, paper making and the like, and utilizes heat exchange between a low-temperature medium and liquid to be cooled to reduce the temperature of the liquid to be cooled. The shell and tube cooler comprises an inner tube, the outer side of the inner tube is provided with a liquid to be cooled, the inner tube is provided with cooling water, and the cooling of the liquid to be cooled is realized by utilizing heat exchange between the liquid to be cooled and the cooling water. In the prior art, the heat exchange area between two liquids is generally increased by using a mode of increasing tube side or shell side to increase the heat exchange efficiency.

As disclosed in chinese patent No. CN215337875U, a double tube sheet shell-and-tube heat exchanger includes a shell; tube plates are fixedly connected to the inner walls of the two ends of the shell; baffle plates are arranged on the inner wall of the shell and positioned between the tube plates in a staggered way; one side of the baffle plate is connected with an external cooling pipe in a sliding way; the inner wall of the outer cooling pipe is connected with an inner cooling pipe in a sliding way; the peripheral side surface of the inner cooling pipe is circumferentially provided with sliding blocks; the circumference array of the inner wall of the outer cooling pipe is provided with grooves matched with the sliding blocks; two sides of the two tube plates are fixedly connected with tube joints through bolts respectively. The utility model is matched with the shell, the tube plate, the outer cooling tube and the inner cooling tube, and the double-layer cooling tube can ensure that the inner medium and the outer medium are not mixed.

However, the above patent has the following technical problems: the heat exchange area between the liquid to be cooled and the cooling water is improved only by increasing the tube pass through the baffle plate, the mode is single, the tube pass length is limited by the total length of the shell, the increase degree of the heat exchange area is limited, the heat exchange rate between the two liquids is difficult to further improve, and the production efficiency is influenced when the heat exchange device is used in reality.

Disclosure of utility model

The utility model aims to provide a tube type cooler, which aims to solve the technical problems that the tube type cooler in the prior art only increases the heat exchange area between liquid to be cooled and cooling water by increasing tube pass, the mode is single, the heat exchange area between two liquids is limited in increase degree, and the heat exchange rate is difficult to further increase.

In order to achieve the above object, an embodiment of the present utility model provides a shell-and-tube cooler, including a tube shell; a cooling cavity is arranged in the tube shell, the cooling liquid flows through the cooling cavity, and a plurality of inner tubes are arranged in the cooling cavity; the left and right sides of the tube shell are respectively provided with a water inlet and a water outlet, and the left and right ends of the inner tube are respectively communicated with the water inlet and the water outlet; the inner tube comprises a plurality of cooling sections and a plurality of fixing sections; the cooling sections and the fixing sections are connected in a staggered manner, and the angle between the adjacent cooling sections is smaller than 180 degrees; a plurality of fixing plates are arranged in the cooling cavity and used for fixing the fixing section and prolonging the shell side of the liquid to be cooled.

Optionally, a plurality of fixing holes penetrating left and right are formed in the fixing plate, and the plurality of fixing sections are correspondingly connected with the inner side walls of the plurality of fixing holes respectively.

Optionally, the fixed section is disposed along the length of the cartridge.

Optionally, a liquid inlet and a liquid outlet penetrating through the cooling cavity are formed in the outer side wall of the tube shell; one of the fixing plates is arranged at the side of the liquid inlet.

Optionally, thickening layers are arranged on the side faces of the fixing plates facing the liquid inlet.

Optionally, the adjacent fixing plates are arranged in a staggered manner in the cooling cavity.

Optionally, the height of the fixing plate is greater than or equal to the cross-sectional radius of the envelope.

Optionally, a plurality of inner tubes are equally spaced within the cooling cavity.

Optionally, the left side and the right side of the cooling cavity are respectively provided with a water inlet pipe plate and a water outlet pipe plate; the inner side wall at one end of the tube shell and the outer side wall of the water inlet tube plate are jointly enclosed to form a water inlet cavity, and the inner side wall at the other end of the tube shell and the outer side wall of the water outlet tube plate are jointly enclosed to form a water outlet cavity; the left end and the right end of the inner tube are respectively communicated with the water inlet cavity and the water outlet cavity.

Compared with the prior art, the one or more technical schemes in the shell-and-tube cooler provided by the embodiment of the utility model have at least one of the following technical effects: a plurality of fixing plates and a plurality of inner pipes are arranged in the cooling cavity, a plurality of cooling sections are arranged on the inner pipes, and angles are formed between two adjacent cooling sections, so that the tube pass of cooling water passing through the inner pipes is increased; the fixing plate is used for enabling the inner pipe to be stably connected in the cooling cavity and enabling a shell side of the cooling cavity to be increased through which the liquid to be cooled passes; according to the utility model, the heat exchange area between the liquid to be cooled and the cooling water is increased by simultaneously increasing the tube pass and the shell pass, so that the heat exchange efficiency between the two liquids is improved, and the cooling effect of the liquid to be cooled is enhanced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged partial schematic view of circle a in fig. 1.

Fig. 3 is a schematic structural view of the inner tube.

Wherein, each reference sign in the figure:

A tube shell 1, a cooling cavity 2, a liquid inlet 21, a liquid outlet 22,

An inner tube 3, a cooling section 31, a fixing section 32,

A fixing plate 4, a fixing hole 41, a thickening layer 42,

A water inlet 51, a water inlet pipe plate 511, a water inlet cavity 512,

A water outlet 52, a water outlet pipe plate 521 and a water outlet cavity 522.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the utility model, a shell-and-tube cooler is provided for cooling a liquid to be cooled, with reference to fig. 1, comprising an externally provided shell-and-tube 1; a cooling cavity 2 is arranged in the tube shell 1, and the cooling liquid flows through the cooling cavity 2 for cooling; a plurality of inner pipes 3 are arranged in the cooling cavity 2, and cooling water flows through the inner pipes 3 to exchange heat with liquid to be cooled. The left and right sides of the tube shell 1 are respectively provided with a water inlet 51 and a water outlet 52, and the left and right ends of the inner tube 3 are respectively communicated with the water inlet 51 and the water outlet 52. The inner tube 3 comprises a plurality of cooling sections 31 and a plurality of fixing sections 32, the fixing sections 32 are used for enabling the inner tube 3 to be stably connected in the cooling cavity 2, the cooling sections 31 are used for enabling cooling water to exchange heat with cooling liquid to be cooled, the cooling sections 31 and the fixing sections 32 are connected in a staggered mode, namely the inner tube 3 is integrally formed by sequentially connecting a cooling section 31, a fixing section 32 and a cooling section 31, and the fixing sections 32 are arranged at intervals, so that connecting materials can be saved while the inner tube 3 is stably arranged in the cooling cavity 2; the included angle between two adjacent cooling sections 31 is smaller than 180 degrees, so that the inner tube 3 is provided with a bent shape, and the tube pass is improved, thereby improving the heat exchange efficiency. The inner side wall of the cooling chamber 2 is provided with a plurality of fixing plates 4, and the fixing plates 4 are used for fixing the fixing sections 32 and prolonging the shell side when the cooling liquid flows.

Compared with the prior art, the one or more technical schemes in the shell-and-tube cooler provided by the embodiment of the utility model have at least one of the following technical effects:

A plurality of fixing plates 4 and a plurality of inner pipes 3 are arranged in the cooling cavity 2, a plurality of cooling sections 31 are arranged on the inner pipes 3, and angles are formed between two adjacent cooling sections 31, so that the tube pass of cooling water passing through the inner pipes 3 is increased; the fixing plate 4 is used for stably connecting the inner tube 3 in the cooling cavity 2 and simultaneously for increasing the shell side of the liquid to be cooled through the cooling cavity 2; according to the utility model, the heat exchange area between the liquid to be cooled and the cooling water is increased by simultaneously increasing the tube pass and the shell pass, so that the heat exchange efficiency between the two liquids is improved, and the cooling effect of the liquid to be cooled is enhanced.

For the embodiment, referring to fig. 2, the fixing plate 4 is provided with a plurality of fixing holes 41 penetrating from left to right, and the plurality of fixing segments 32 are respectively connected with the inner side walls of the plurality of fixing holes 41 correspondingly, so as to improve the connection stability of the inner tube 3 and the side walls of the cooling cavity 2. Preferably, the outer side wall of the fixing section 32 is closely coupled with the inner side wall of the fixing hole 41 so that the stabilizing effect is further improved.

In another embodiment of the present utility model, a gap is provided between the outer side wall of the fixing section 32 and the inner side wall of the fixing hole 41 for flowing the liquid to be cooled therethrough, thereby reducing the pressure generated to the fixing plate 4 when the liquid flows on the basis that the fixing plate 4 guides the flowing direction of the liquid to be cooled.

Referring to fig. 1, the outer side wall of the tube shell 1 is provided with a liquid inlet 21 and a liquid outlet 22 penetrating through the cooling cavity 2, and the liquid to be cooled enters the cooling cavity 2 through the liquid inlet 21 and flows out of the cooling cavity 2 through the liquid outlet 22; one of the fixing plates 4 is arranged at the side of the liquid inlet 21, so that after the liquid to be cooled enters the cooling cavity 2, the liquid can flow along the direction guided by the fixing plate 4, and the cooling rate of the liquid to be cooled after entering the cooling cavity 2 can be increased.

Further, in order for the fixing plates 4 to be sufficient against the pressure generated when the liquid to be cooled flows, the sides of the fixing plates 4 facing the liquid inlet 21 are each provided with a thickening layer 42.

Referring to fig. 3, the adjacent fixing plates 4 in the cooling cavity 2 are arranged in a staggered manner; in the present embodiment, the adjacent fixing plates 4 are set to be offset in the up-down direction to further increase the shell side. The height of the fixing plate 4 is larger than or equal to the section radius of the tube shell 1; through the structure, the liquid to be cooled flows in the cooling cavity 2 in a Z shape, so that the flow path of the liquid to be cooled is increased, and the heat exchange area between the liquid to be cooled and the cooling water is increased.

Referring to fig. 1, a plurality of inner tubes 3 are arranged equidistantly within the cooling chamber 2; preferably, adjacent inner tubes 3 are arranged in a staggered manner, so that the liquid to be cooled can contact with more inner tubes 3 for heat transfer when flowing.

Further, the left and right sides of the cooling chamber 2 are respectively provided with a water inlet pipe plate 511 and a water outlet pipe plate 521, so that the cooling chamber 2 is arranged in a closed space defined by the inner side wall of the shell pipe, the inner side wall of the water inlet pipe plate 511 and the inner side wall of the water outlet pipe plate 521, so as to avoid leakage of the cooling liquid to be cooled; the left and right ends of the inner tube 3 are connected to the water inlet pipe plate 511 and the water outlet pipe plate 521, respectively.

Further, an inner side wall at one end of the tube shell 1 and an outer side wall of the water inlet pipe plate 511 are surrounded together to form a water inlet cavity 512, and the water inlet 51 is communicated with the water inlet cavity 512; the inner side wall at the other end of the pipe shell 1 and the outer side wall of the water outlet pipe plate 521 are jointly surrounded to form a water outlet cavity 522, and the water outlet 52 is communicated with the water outlet cavity 522; the left end and the right end of the inner tube 3 are respectively communicated with the water inlet cavity 512 and the water outlet cavity 522; the cooling water enters the water inlet cavity 512 through the water inlet 51, flows through the inner pipe 3 into the water outlet cavity 522, and finally flows out of the water outlet 52.

The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. For those skilled in the art, the architecture of the utility model can be flexible and changeable without departing from the concept of the utility model, and serial products can be derived. But a few simple derivatives or substitutions should be construed as falling within the scope of the utility model as defined by the appended claims.

Claims

1. A shell-and-tube cooler, comprising a tube shell (1); a cooling cavity (2) is arranged in the pipe shell (1), cooling liquid flows through the cooling cavity (2), and a plurality of inner pipes (3) are arranged in the cooling cavity (2); the left and right sides of the tube shell (1) are respectively provided with a water inlet (51) and a water outlet (52), and the left and right ends of the inner tube (3) are respectively communicated with the water inlet (51) and the water outlet (52); the device is characterized in that the inner tube (3) comprises a plurality of cooling sections (31) and a plurality of fixing sections (32); the cooling sections (31) and the fixing sections (32) are connected in a staggered manner, and the included angle between every two adjacent cooling sections (31) is smaller than 180 degrees; a plurality of fixing plates (4) are arranged in the cooling cavity (2), and the fixing plates (4) are used for fixing the fixing sections (32) and prolonging the shell side of the liquid to be cooled.

2. The shell and tube cooler according to claim 1, wherein the fixing plate (4) is provided with a plurality of fixing holes (41) penetrating from left to right, and a plurality of fixing segments (32) are respectively connected with the inner side walls of a plurality of fixing holes (41).

3. A shell-and-tube cooler according to claim 2, characterized in that the fixing segments (32) are arranged in the length direction of the tube envelope (1).

4. A shell-and-tube cooler according to any one of claims 1-3, characterized in that the outer side wall of the tube shell (1) is provided with a liquid inlet (21) and a liquid outlet (22) penetrating the cooling chamber (2); one of the fixing plates (4) is arranged beside the liquid inlet (21).

5. The shell-and-tube cooler according to claim 4, characterized in that the side of the fixing plates (4) facing the liquid inlet (21) is provided with a thickening layer (42).

6. A shell and tube cooler according to any one of claims 1-3, characterised in that adjacent fixing plates (4) in the cooling chamber (2) are arranged offset.

7. A shell-and-tube cooler according to any one of claims 1-3, characterized in that the height of the fixing plate (4) is greater than or equal to the radius of the cross section of the tube envelope (1).

8. A shell-and-tube cooler according to any one of claims 1-3, characterized in that several of the inner tubes (3) are arranged equally spaced in the cooling chamber (2).

9. A shell and tube cooler according to any one of claims 1-3, characterised in that the cooling chamber (2) is provided with a water inlet tube panel (511) and a water outlet tube panel (521), respectively, on the left and right sides.

10. The shell-and-tube cooler according to claim 9, wherein an inner side wall at one end of the tube shell (1) and an outer side wall of the water inlet pipe plate (511) are surrounded together to form a water inlet cavity (512), and an inner side wall at the other end of the tube shell (1) and an outer side wall of the water outlet pipe plate (521) are surrounded together to form a water outlet cavity (522); the left end and the right end of the inner pipe (3) are respectively communicated with the water inlet cavity (512) and the water outlet cavity (522).