Fixed tube plate type shell-and-tube heat exchanger

By designing sliding heat exchange tubes and flow guide head structures in fixed tube sheet heat exchangers, the problem of inconvenient tube cleaning and replacement is solved, enabling convenient maintenance and efficient heat exchange, reducing costs and improving heat exchange efficiency.

CN223710342UActive Publication Date: 2025-12-23JINAN YUEHUA ENERGY SAVING EQUIP CO LTD
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Patent Information

Application Number
CN202520116836.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-18
Publication Date
2025-12-23
Estimated Expiration
2035-01-18

AI Technical Summary

Technical Problem

Existing fixed tube sheet heat exchangers, when the tube sheet and heat exchanger are integrated into one structure, are inconvenient to clean and replace, have high maintenance costs, and have poor heat exchange performance.

Method used

A fixed tube sheet type shell and tube heat exchanger was designed. The heat exchange tubes slide inside the first baffle, the baffle plate and the second baffle plate to facilitate the assembly and disassembly of the heat exchange components. The coolant is introduced through the flow guide head to improve the flow smoothness and enhance the heat exchange effect.

Benefits of technology

It improves the ease of cleaning and maintenance of heat exchange components, reduces cleaning and maintenance costs, and enhances heat exchange efficiency through the design of heat exchange fins and flow guides.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223710342U_ABST
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Abstract

The utility model relates to the technical field of tube type heat exchangers, in particular to a fixed tube plate type tube type heat exchanger which comprises a heat exchanger body and a liquid inlet component, the heat exchanger body comprises a tank body, a liquid outlet cover is arranged on one side of the tank body, a first baffle is arranged at one end of the interior of the tank body, and a second baffle is arranged at the other end of the interior of the tank body. A second baffle is arranged at the other end of the interior of the tank body, a heat exchange component is installed on the inner side of the second baffle, a baffle plate is arranged on the outer side of the heat exchange component, the liquid inlet component comprises a liquid inlet cover, a flow guide plate is arranged in the liquid inlet cover, and a flow guide head is arranged on one side of the flow guide plate. According to the heat exchanger, the heat exchange components are slidably disassembled and assembled in the first baffle, the baffle plate and the second baffle through the heat exchange pipes, the convenience of cleaning and maintaining of the heat exchange components is improved, the heat exchange effect of the heat exchange pipes is improved through the heat exchange pieces, cooling liquid is guided into the heat exchange pipes through the flow guide heads, and the flowing fluency of the cooling liquid is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tube heat exchanger, specifically is a fixed tube plate type tube heat exchanger. BACKGROUND

[0002] The tube heat exchanger is the most widely used heat exchanger in chemical industry and alcohol production, which is mainly composed of a shell, a tube plate, heat exchange tubes, a head, a baffle plate and the like. When heat exchange is performed, one fluid enters from the connecting pipe of the head, flows in the tubes, and flows out from the outlet pipe of the other end of the head, which is referred to as the tube pass. Another fluid enters from the connecting pipe of the shell and flows out from the other connecting pipe of the shell, which is referred to as the shell pass.

[0003] A fixed tube plate type tube heat exchanger is disclosed in a Chinese patent (Grant Announcement No. CN213120199U). The patent technology drives the rotation of the rotating roller by starting the motor, so that the first bevel gear and the second bevel gear mesh to drive the cleaning brush to rotate with the second bevel gear, so that the inner wall of the shell can be cleaned, realizing the function of cleaning the inner wall of the shell, and the cleaning effect is good. However, the above-mentioned fixed tube plate type tube heat exchanger is an integral structure of the tube and the heat exchanger. When the tube is blocked and damaged, it is not convenient to clean and replace, the convenience of cleaning and maintenance is low, the cleaning and maintenance cost is high, and the heat exchange effect of the tube is poor, which is not conducive to the heat exchange efficiency. Therefore, the technical personnel in the art provides a kind of fixed tube plate type tube heat exchanger to solve the problems raised in the above background technology. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of fixed tube plate type tube heat exchanger to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A fixed tube plate type tube heat exchanger, comprising a heat exchanger body and a liquid inlet member, the liquid inlet member is located at one side of the heat exchanger body, the heat exchanger body comprises a tank, one side of the tank is provided with a liquid outlet cover, one end of the inside of the tank is provided with a first baffle, the other end of the inside of the tank is provided with a second baffle, the inside of the second baffle is installed with a heat exchange member, the outside of the heat exchange member is provided with a baffle, the liquid inlet member comprises a liquid inlet cover, the inside of the liquid inlet cover is provided with a flow guide plate, one side of the flow guide plate is provided with a flow guide head, the heat exchange member comprises a heat exchange tube, the inside of the heat exchange tube is provided with a heat exchange fin, one side of the heat exchange tube is provided with a positioning head.

[0007] As a further scheme of the utility model: the one side of the liquid outlet cover is provided with a first liquid discharge pipe, the upper side one end position of the jar body is provided with a second liquid inlet pipe, the lower side one end position of the jar body is provided with a second liquid discharge pipe, the one side of the liquid inlet cover is provided with a first liquid inlet pipe, the outer side one end position of the jar body is provided with a first flange, the outer side one end position of the liquid inlet cover is provided with a second flange, the both sides position of the alignment head is provided with a positioning plate, the outer end of the positioning plate is provided with a fixed screw rod, the outer side of the fixed screw rod is located at the inner side position of the positioning plate and is provided with a spring.

[0008] As a further scheme of the utility model: the input end of the liquid inlet cover and the diversion head are communicated, the output end of the diversion head and the input end of the heat exchange component are communicated, and the output end of the heat exchange component and the input end of the liquid outlet cover are communicated.

[0009] As a further scheme of the utility model: one end of the heat exchange pipe is slid at the inner position of the first baffle, the other end of the heat exchange pipe is slid at the inner position of the second baffle, and the heat exchange pipe is slid at the inner position of the baffle.

[0010] As a further scheme of the utility model: the one side of the first flange is fixed at the one side position of the second flange, and the liquid inlet cover is fixed at the one side position of the jar body through the first flange and the second flange.

[0011] As a further scheme of the utility model: one end of the fixed screw rod is rotated at the outer end position of the positioning plate, and the other end of the fixed screw rod is rotated at the outer side position of the second baffle.

[0012] As a further scheme of the utility model: the output end of the first liquid inlet pipe and the input end of the liquid inlet cover are communicated, the output end of the liquid outlet cover and the input end of the first liquid discharge pipe are communicated, the output end of the second liquid inlet pipe and one end of the jar body are communicated, and the other end of the jar body and the input end of the second liquid discharge pipe are communicated.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a fixed tube sheet type tubular heat exchanger improves the convenience of cleaning and maintaining heat exchange components by the heat exchange pipe sliding in the inner position of the first baffle, baffle and second baffle, and reduces the cleaning and maintaining cost.

[0015] The utility model discloses a fixed tube sheet type tubular heat exchanger improves the convenience of cleaning and maintaining heat exchange components by the heat exchange pipe sliding in the inner position of the first baffle, baffle and second baffle, and reduces the cleaning and maintaining cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1It is a structure diagram of a fixed tube sheet type column tube heat exchanger;

[0017] Figure 2 It is a perspective view of a heat exchanger main body in a fixed tube sheet type column tube heat exchanger;

[0018] Figure 3 It is a perspective view of a liquid inlet member in a fixed tube sheet type column tube heat exchanger;

[0019] Figure 4 It is a perspective view of a heat exchange member in a fixed tube sheet type column tube heat exchanger.

[0020] In the figure: 1, heat exchanger main body; 2, liquid inlet member; 3, tank body; 4, liquid outlet cover; 5, first baffle; 6, second baffle; 7, heat exchange member; 8, baffle; 9, liquid inlet cover; 10, guide plate; 11, guide head; 12, heat exchange tube; 13, heat exchange fin; 14, alignment head; 15, first liquid outlet pipe; 16, second liquid inlet pipe; 17, second liquid outlet pipe; 18, first liquid inlet pipe; 19, first flange; 20, second flange; 21, positioning plate; 22, fixing screw; 23, spring. DETAILED DESCRIPTION

[0021] Please refer to Figures 1-4The utility model discloses a fixed tube plate type tube bank heat exchanger, including heat exchanger main part 1 and liquid inlet component 2, liquid inlet component 2 is located at the position of one side of heat exchanger main part 1, and heat exchanger main part 1 includes jar body 3, and the one side of jar body 3 is provided with liquid outlet cover 4, and the inside one end position of jar body 3 is provided with first baffle 5, and the inside other end position of jar body 3 is provided with second baffle 6, and the inboard of second baffle 6 is installed with heat exchange component 7, and the outboard of heat exchange component 7 is provided with baffle 8, and liquid inlet component 2 includes liquid inlet cover 9, and the inside of liquid inlet cover 9 is provided with guide vane 10, and the one side of guide vane 10 is provided with guide head 11, and heat exchange component 7 includes heat exchange pipe 12, and the inboard of heat exchange pipe 12 is provided with heat exchange fin 13, and the one side of heat exchange pipe 12 is provided with alignment head 14, and the input of liquid inlet cover 9 and guide head 11 is through -going, and the output of guide head 11 and the input of heat exchange component 7 are through -going, and the output of heat exchange component 7 and the input of liquid outlet cover 4 are through -going, and one end of heat exchange pipe 12 is slid in the inside position of first baffle 5, and the other end of heat exchange pipe 12 is slid in the inside position of second baffle 6, and heat exchange pipe 12 is slid in the inside position of baffle 8, first, a fixed tube plate type tube bank heat exchanger is carried to the use position, then, the liquid after refrigeration is guided into the inside of liquid inlet cover 9, and the refrigeration liquid in the inside of liquid inlet cover 9 is guided into the inside of heat exchange pipe 12 through guide head 11, and the refrigeration liquid in the inside of heat exchange pipe 12 refrigerates heat exchange fin 13, improves the heat exchange effect of heat exchange pipe 12, and the liquid needing cooling is guided into the inside of jar body 3, and heat exchange component 7 exchanges heat with the liquid in the inside of jar body 3, and baffle 8 guides the liquid, and the liquid after heat exchange is discharged, and the refrigeration liquid in the inside of heat exchange pipe 12 enters the inside of liquid outlet cover 4, and the liquid in the inside of liquid outlet cover 4 is discharged, and finally, when needing cleaning and replacing heat exchange component 7, liquid inlet component 2 is taken down, and the positioning of heat exchange component 7 is loosened, and heat exchange pipe 12 slides out first baffle 5, baffle 8 and second baffle 6, and heat exchange component 7 is cleaned and replaced.

[0022] In Figure 2 、 3The side of the liquid outlet cover 4 is provided with a first liquid discharge pipe 15, the upper side of the tank body 3 is provided with a second liquid inlet pipe 16 at one end position, the lower side of the tank body 3 is provided with a second liquid discharge pipe 17 at one end position, the side of the liquid inlet cover 9 is provided with a first liquid inlet pipe 18, the outer side of the tank body 3 is provided with a first flange 19 at one end position, the outer side of the liquid inlet cover 9 is provided with a second flange 20 at one end position, the two sides of the alignment head 14 are provided with positioning plates 21, the outer end of the positioning plate 21 is provided with a fixing screw 22, the outer side of the fixing screw 22 is provided with a spring 23 at the inner side position of the positioning plate 21, the side of the first flange 19 is fixed to the side position of the second flange 20, the liquid inlet cover 9 is fixed to the side position of the tank body 3 through the first flange 19 and the second flange 20, one end of the fixing screw 22 is rotated at the outer end position of the positioning plate 21, the other end of the fixing screw 22 is rotated at the outer side position of the second baffle plate 6, the output end of the first liquid inlet pipe 18 is in communication with the input end of the liquid inlet cover 9, the output end of the liquid outlet cover 4 is in communication with the input end of the first liquid discharge pipe 15, the output end of the second liquid inlet pipe 16 is in communication with one end of the tank body 3, the other end of the tank body 3 is in communication with the input end of the second liquid discharge pipe 17, the refrigerated liquid is introduced into the liquid inlet cover 9 through the first liquid inlet pipe 18, the refrigerated liquid in the liquid inlet cover 9 is introduced into the heat exchange pipe 12 through the flow guide head 11, the refrigerated liquid in the heat exchange pipe 12 cools the heat exchange fin 13, improves the heat exchange effect of the heat exchange pipe 12, the liquid to be cooled is introduced into the tank body 3 through the second liquid inlet pipe 16, the heat exchange member 7 exchanges heat with the liquid in the tank body 3, the baffle plate 8 guides the liquid, the heat exchanged liquid is discharged through the second liquid discharge pipe 17, the refrigerated liquid in the heat exchange pipe 12 enters the liquid outlet cover 4, the liquid in the liquid outlet cover 4 is discharged through the first liquid discharge pipe 15, finally, when the heat exchange member 7 needs to be cleaned and replaced, the second flange 20 separates the first flange 19, the liquid inlet member 2 is removed, the inner end of the fixing screw 22 is rotated out of the second baffle plate 6, the outer end of the fixing screw 22 is rotated in the positioning plate 21, the positioning of the heat exchange member 7 is loosened, the heat exchange pipe 12 slides out of the first baffle plate 5, the baffle plate 8 and the second baffle plate 6, and the heat exchange member 7 is cleaned and replaced.

[0023] The working principle of the utility model is: firstly, a fixed tube plate type tube heat exchanger is carried to the use position, then the refrigerated liquid is introduced into the inside of the liquid inlet cover 9 through the first liquid inlet pipe 18, the refrigerated liquid in the inside of the liquid inlet cover 9 is introduced into the inside of the heat exchange pipe 12 through the flow guide head 11, the refrigerated liquid in the inside of the heat exchange pipe 12 refrigerates the heat exchange fin 13, improves the heat exchange effect of the heat exchange pipe 12, the liquid needing cooling is introduced into the inside of the tank body 3 through the second liquid inlet pipe 16, the heat exchange member 7 exchanges heat with the liquid in the inside of the tank body 3, the baffle 8 guides the liquid, the liquid after heat exchange is discharged through the second liquid outlet pipe 17, the refrigerated liquid in the inside of the heat exchange pipe 12 enters the inside of the liquid outlet cover 4, the liquid in the inside of the liquid outlet cover 4 is discharged through the first liquid outlet pipe 15, finally, when the heat exchange member 7 needs to be cleaned and replaced, the second flange 20 separates the first flange 19, the liquid inlet member 2 is removed, the inner end of the fixing screw rod 22 rotates out of the second baffle 6, the outer end of the fixing screw rod 22 rotates in the inside of the positioning plate 21, the positioning of the heat exchange member 7 is loosened, the heat exchange pipe 12 slides out of the first baffle 5, the baffle 8 and the second baffle 6, the heat exchange member 7 is cleaned and replaced.

[0024] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A fixed tube sheet type shell and tube heat exchanger, comprising a heat exchanger body (1) and a liquid inlet component (2), wherein the liquid inlet component (2) is located on one side of the heat exchanger body (1), characterized in that, The heat exchanger body (1) includes a tank (3), a liquid outlet hood (4) is provided on one side of the tank (3), a first baffle (5) is provided at one end of the inside of the tank (3), a second baffle (6) is provided at the other end of the inside of the tank (3), a heat exchange component (7) is installed on the inner side of the second baffle (6), a baffle plate (8) is provided on the outer side of the heat exchange component (7), the liquid inlet component (2) includes a liquid inlet hood (9), a guide plate (10) is provided inside the liquid inlet hood (9), a guide head (11) is provided on one side of the guide plate (10), the heat exchange component (7) includes a heat exchange tube (12), a heat exchange plate (13) is provided on the inner side of the heat exchange tube (12), and an alignment head (14) is provided on one side of the heat exchange tube (12).

2. A fixed tube sheet type shell and tube heat exchanger according to claim 1, characterized in that, A first drain pipe (15) is provided on one side of the liquid outlet hood (4), a second inlet pipe (16) is provided at one end of the upper side of the tank body (3), a second drain pipe (17) is provided at one end of the lower side of the tank body (3), a first inlet pipe (18) is provided on one side of the liquid inlet hood (9), a first flange (19) is provided at one end of the outer side of the tank body (3), a second flange (20) is provided at one end of the outer side of the liquid inlet hood (9), positioning plates (21) are provided on both sides of the alignment head (14), a fixing screw (22) is provided at the outer end of the positioning plate (21), and a spring (23) is provided on the outer side of the fixing screw (22) at the inner side of the positioning plate (21).

3. A fixed tube sheet type shell and tube heat exchanger according to claim 1, characterized in that, The liquid inlet hood (9) is connected to the input end of the guide head (11), the output end of the guide head (11) is connected to the input end of the heat exchange component (7), and the output end of the heat exchange component (7) is connected to the input end of the liquid outlet hood (4).

4. A fixed tube sheet type shell and tube heat exchanger according to claim 1, characterized in that, One end of the heat exchange tube (12) slides inside the first baffle (5), the other end of the heat exchange tube (12) slides inside the second baffle (6), and the heat exchange tube (12) slides inside the baffle (8).

5. A fixed tube sheet type shell and tube heat exchanger according to claim 2, characterized in that, One side of the first flange (19) is fixed to one side of the second flange (20), and the liquid inlet hood (9) is fixed to one side of the tank body (3) through the first flange (19) and the second flange (20).

6. A fixed tube sheet type shell and tube heat exchanger according to claim 2, characterized in that, One end of the fixing screw (22) rotates to the outer end position of the positioning plate (21), and the other end of the fixing screw (22) rotates to the outer side position of the second baffle (6).

7. A fixed tube sheet type shell and tube heat exchanger according to claim 2, characterized in that, The output end of the first inlet pipe (18) is connected to the input end of the inlet hood (9), the output end of the outlet hood (4) is connected to the input end of the first drain pipe (15), the output end of the second inlet pipe (16) is connected to one end of the tank (3), and the other end of the tank (3) is connected to the input end of the second drain pipe (17).

Citation Information

Patent Citations

  • Fixed tube plate type shell-and-tube heat exchanger

    CN213120199U