Tube plate type heat exchanger

Abstract

The utility model discloses a tube plate type heat exchanger which comprises a heat exchanger body, five inner guide plates are arranged on the inner side of the heat exchanger body at equal intervals, twelve heat exchange tubes are arranged in the five inner guide plates and fixedly connected with the heat exchanger body, and communicating boxes are installed on the two sides of the heat exchanger body. The heat exchanger has the advantages that the inner flow guide plate is arranged, heat exchange liquid entering the heat exchange inlet pipe is subjected to flow guide treatment, circulating water in all the heat exchange pipes in the inner flow guide plate is subjected to heat exchange treatment, the winding shafts and the steel wire ropes are arranged, synchronization of three of the winding shafts and the other three winding shafts is achieved, and the heat exchange efficiency is improved. And the heat exchange tube and the cleaning silk screen with one end fixed are stably moved, and the cleaning silk screen moves on the inner wall of the heat exchange tube to clean the inner wall of the heat exchange tube, so that the working stability of the heat exchange tube can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a tube-sheet heat exchanger. Background Art

[0002] Heat exchangers can be divided into fixed tube sheet heat exchangers, floating head heat exchangers, U-tube heat exchangers and stuffing box heat exchangers according to their structural forms. Fixed tube sheet heat exchangers are energy-saving equipment that realizes heat transfer between materials. They are a kind of process equipment widely used in the petroleum, chemical, petrochemical, metallurgy, electric power, light industry, food and other industries. However, when the existing tube sheet heat exchangers are used for heat exchange for a long time, it is easy to cause scale and impurities to accumulate on the inner wall of the water-passing heat exchange tube. Cleaning the inner wall requires frequent disassembly of the components at both ends of the tube sheet heat exchanger, which is more troublesome. Utility Model Content

[0003] The utility model aims to provide a tube-sheet heat exchanger to solve the problem raised in the above background technology that scale and impurities are easily accumulated on the inner wall of the water-passing heat exchange tube when the existing tube-sheet heat exchanger is used for long-term heat exchange, and the cleaning of the inner wall requires frequent disassembly of the two end components of the tube-sheet heat exchanger, which is quite troublesome.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tube-sheet heat exchanger, comprising a heat exchanger body, five inner guide plates are equidistantly arranged on the inner side of the heat exchanger body, twelve heat exchange tubes are arranged inside the five inner guide plates, the heat exchange tubes are fixedly connected to the heat exchanger body, connecting boxes are installed on both sides of the heat exchanger body, the heat exchange tubes are fixedly connected to the connecting boxes, one side of the two connecting boxes is fixedly connected to a connecting side box, the inside of the two connecting side boxes are rotatably connected to three winding shafts, and four winding shafts are wound around the outer side of the winding shaft. A steel wire rope, one end of which is fixedly connected to a winding shaft, an inner wall of the heat exchange tube is provided with a cleaning wire mesh, the other end of the steel wire rope is fixedly connected to the cleaning wire mesh, the steel wire rope passes through a connecting side box and the steel wire rope, the tops of the two connecting side boxes are fixedly connected to a connecting top box, the internal rotation of the connecting top box is connected to a double-groove pulley, the internal symmetrical rotation of the connecting top box is connected to two transmission pulleys, the two transmission pulleys and the double-groove pulley are connected by belt transmission, and the two transmission pulleys and the double-groove pulley are fixedly connected to the winding shaft.

[0005] As a preferred solution of the utility model: a motor is installed on the top of the connecting top box, and the output end of the motor is fixedly connected to a double-groove pulley.

[0006] As a preferred solution of the utility model: a water inlet pipe is fixedly connected to the top of one of the connecting boxes, and a drain pipe is fixedly connected to one side of the other connecting box.

[0007] As a preferred solution of the utility model: a blocking bottom plate is installed at the bottom of the two connecting boxes by bolts.

[0008] As a preferred solution of the utility model: two supporting bases are symmetrically fixedly connected to the bottom of the heat exchanger body.

[0009] As a preferred solution of the utility model: a heat exchange inlet pipe is fixedly connected to the top of the heat exchanger body, and a heat exchange exhaust pipe is fixedly connected to the bottom of the heat exchanger body.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model realizes the diversion treatment of the heat exchange liquid entering the heat exchange inlet pipe by arranging the inner guide plate, and performs heat exchange treatment on the circulating water in each heat exchange pipe in the inner guide plate; and by arranging the winding shaft and the wire rope, it realizes the synchronization of three winding shafts and the other three winding shafts, stably moves the heat exchange pipe and the cleaning wire mesh fixed at one end, moves on the inner wall of the heat exchange pipe to clean the inner wall of the heat exchange pipe, and can ensure the working stability of the heat exchange pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0012] Figure 2 This is a side view of the inner guide plate of the utility model;

[0013] Figure 3 This is a top view of the internal structure of the connecting side box of the utility model;

[0014] Figure 4 This is a top view of the double-groove pulley structure of the utility model.

[0015] In the figure: 1. heat exchanger body; 2. heat exchange exhaust pipe; 3. heat exchange inlet pipe; 4. heat exchange pipe; 5. cleaning screen; 6. connecting box; 7. wire rope; 8. water inlet pipe; 9. drain pipe; 10. reel; 11. connecting side box; 12. connecting top box; 13. double-groove pulley; 14. driving pulley; 15. motor; 16. supporting base; 17. sealing bottom plate; 18. inner guide plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figures 1 to 4 The utility model provides a technical solution: a tube-sheet heat exchanger, comprising a heat exchanger body 1, five inner guide plates 18 are equidistantly arranged on the inner side of the heat exchanger body 1, twelve heat exchange tubes 4 are arranged inside the five inner guide plates 18, the heat exchange tubes 4 are fixedly connected to the heat exchanger body 1, connecting boxes 6 are installed on both sides of the heat exchanger body 1, the heat exchange tubes 4 are fixedly connected to the connecting boxes 6, one side of the two connecting boxes 6 is fixedly connected to a connecting side box 11, the insides of the two connecting side boxes 11 are rotatably connected to three winding shafts 10, four steel wire ropes 7 are wound around the outer side of the winding shaft 10, one end of the steel wire rope 7 is fixedly connected to the winding shaft 10, a cleaning screen 5 is arranged on the inner wall of the heat exchange tube 4, and the other end of the steel wire rope 7 is fixed to the cleaning screen 5 The steel wire rope 7 passes through the connecting side box 11 and the steel wire rope 7, the tops of the two connecting side boxes 11 are fixedly connected with a connecting top box 12, the internal rotation of the connecting top box 12 is connected with a double-groove pulley 13, the internal symmetrical rotation of the connecting top box 12 is connected with two driving pulleys 14, the two driving pulleys 14 and the double-groove pulleys 13 are connected by belt transmission, the two driving pulleys 14 and the double-groove pulleys 13 are fixedly connected with the winding shaft 10, three of which are used to wind up the outer steel wire rope 7, and the other three winding shafts 10 are used to pay out the outer steel wire rope 7, and the cleaning screen 5 is stably moved and adjusted on the inner wall of the heat exchange tube 4 through the two steel wire ropes 7, so as to clean the inner wall of the heat exchange tube 4.

[0018] Among them, a motor 15 is installed on the top of the top box 12, and the output end of the motor 15 is fixedly connected to the double-groove pulley 13. The output end of the motor 15 drives the double-groove pulley 13 to rotate, and the double-groove pulley 13 drives two transmission pulleys 14 through a belt to rotate synchronously.

[0019] Among them, a water inlet pipe 8 is fixedly connected to the top of one of the connecting boxes 6, and a drain pipe 9 is fixedly connected to one side of the other connecting box 6. The liquid that needs heat exchange is injected into one of the connecting boxes 6 through the water inlet pipe 8, and after the heat exchange is completed through the heat exchange tube 4, it is discharged through the drain pipe 9 on the side of the other connecting box 6.

[0020] Among them, the bottoms of the two connecting boxes 6 are both installed with sealing bottom plates 17 by bolts, and the scale and impurities can be taken out by opening the sealing bottom plates 17 at the bottom, which is convenient for cleaning.

[0021] The bottom of the heat exchanger body 1 is symmetrically fixedly connected with two support bases 16 , and the heat exchanger body 1 is supported by the support bases 16 .

[0022] Among them, a heat exchange inlet pipe 3 is fixedly connected to the top of the heat exchanger body 1, and a heat exchange exhaust pipe 2 is fixedly connected to the bottom of the heat exchanger body 1. The hot liquid that needs to be heat exchanged is introduced into the heat exchange inlet pipe 3, and the hot liquid after heat exchange is discharged through the heat exchange exhaust pipe 2.

[0023] Specifically, when in use, the hot liquid to be exchanged is introduced into the heat exchange inlet pipe 3, the heat exchange tube 4 is heat-conducted in the heat exchanger body 1, the liquid to be exchanged is injected into one of the connecting boxes 6 through the water inlet pipe 8, enters the heat exchange tube 4, passes through the cleaning screen 5 to reach the other connecting box 6, and is discharged through the drain pipe 9 for use. The hot liquid in the heat exchanger body 1 is heat-exchanged through the heat exchange tube 4, and the liquid flowing through the heat exchange tube 4 is heat-exchanged. When cleaning the heat exchange tube 4, two motors 15 are started, and the output ends of one motor 15 and the other motor 15 rotate in the same direction, and the motor 15 drives the hot liquid to rotate. The movable double-groove pulley 13 rotates, and the double-groove pulley 13 drives two transmission pulleys 14 to rotate through the belt, and the three winding shafts 10 in the connected side box 11 are synchronously driven to rotate through the double-groove pulley 13 and the transmission pulley 14, wherein three winding shafts 10 wind up the outer steel wire rope 7, and the other three winding shafts 10 pay out the outer steel wire rope 7, and the cleaning screen 5 is stably moved and adjusted on the inner wall of the heat exchange tube 4 through the two steel wire ropes 7, and the inner wall of the heat exchange tube 4 is cleaned and discharged into the interior of the connecting box 6, and the scale and impurities are removed by opening the bottom sealing bottom plate 17.

[0024] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0026] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tube-sheet heat exchanger, comprising a heat exchanger body (1), characterized in that: Five inner guide plates (18) are equidistantly arranged on the inner side of the heat exchanger body (1), twelve heat exchange tubes (4) are arranged inside the five inner guide plates (18), the heat exchange tubes (4) are fixedly connected to the heat exchanger body (1), connecting boxes (6) are installed on both sides of the heat exchanger body (1), the heat exchange tubes (4) are fixedly connected to the connecting boxes (6), one side of the two connecting boxes (6) is fixedly connected to a connecting side box (11), the inside of the two connecting side boxes (11) are rotatably connected to three winding shafts (10), four steel wire ropes (7) are wound around the outer side of the winding shaft (10), one end of the steel wire rope (7) is fixedly connected to the winding shaft (10), and the The inner wall of the heat exchange tube (4) is provided with a cleaning screen (5), the other end of the steel wire rope (7) is fixedly connected to the cleaning screen (5), the steel wire rope (7) passes through the connecting side box (11) and the steel wire rope (7), the tops of the two connecting side boxes (11) are fixedly connected to the connecting top box (12), the interior of the connecting top box (12) is rotatably connected to a double-groove pulley (13), the interior of the connecting top box (12) is symmetrically rotatably connected to two driving pulleys (14), the two driving pulleys (14) and the double-groove pulley (13) are connected by belt transmission, and the two driving pulleys (14) and the double-groove pulley (13) are fixedly connected to the winding shaft (10).

2. A tube-sheet heat exchanger according to claim 1, characterized in that: A motor (15) is installed on the top of the connecting top box (12), and the output end of the motor (15) is fixedly connected to a double-groove pulley (13).

3. The tube-sheet heat exchanger according to claim 1, characterized in that: A water inlet pipe (8) is fixedly connected to the top of one of the connecting boxes (6), and a drainage pipe (9) is fixedly connected to one side of the other connecting box (6).

4. The tube-sheet heat exchanger according to claim 1, characterized in that: The bottoms of the two connecting boxes (6) are both equipped with blocking bottom plates (17) by means of bolts.

5. The tube-sheet heat exchanger according to claim 1, characterized in that: Two supporting bases (16) are symmetrically fixedly connected to the bottom of the heat exchanger body (1).

6. The tube-sheet heat exchanger according to claim 1, characterized in that: The top of the heat exchanger body (1) is fixedly connected to a heat exchange inlet pipe (3), and the bottom of the heat exchanger body (1) is fixedly connected to a heat exchange exhaust pipe (2).

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