Efficient high-sealing tubular heat exchanger

Abstract

The utility model discloses an efficient high-sealing tubular heat exchanger which comprises an efficient tubular heat exchanger body, a conveying pipe, a sealing assembly and an auxiliary assembly. A connecting pipe is arranged on the efficient tubular heat exchanger body, and a first flange plate is fixedly arranged on the connecting pipe. A second flange plate is fixedly arranged on the conveying pipe, a sealing assembly and an auxiliary assembly are arranged on the second flange plate and the first flange plate, and the second flange plate and the first flange plate are connected in a clamped mode and fixedly connected through bolts and nuts. The peripheral wall of the rubber pad is sleeved with an air ring, and in the clamping process of the first flange plate and the second flange plate, an extrusion block extrudes air in the air bag into the air ring, so that the rubber pad is tightly attached to the flange plates, and the sealing performance of the device is improved; meanwhile, when the tubular heat exchanger conveys hot materials, the temperature of the tube wall rises, so that gas in the gas ring is heated and expanded, the volume is increased, the gas ring is enlarged to further extrude the rubber pad to be tightly attached to the flange plate, the rubber pad is prevented from loosening, and the sealing effect of the device is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tubular heat exchanger, concretely to high -efficient high -sealing tubular heat exchanger. BACKGROUND

[0002] The tubular heat exchanger is also called the shell-and-tube heat exchanger, which is a kind of heat exchanger with the wall of tube bundle enclosed in the shell as the heat transfer surface; it is composed of shell, heat transfer tube bundle, tube plate, baffle (baffle plate) and tube box; the shell is usually cylindrical, and the tube bundle is arranged in the shell; the tube bundle is fixed on the tube plate at both ends; two kinds of fluids for heat exchange, one flows in the tube, called tube-side fluid; the other flows outside the tube, called shell-side fluid; in order to improve the heat transfer coefficient of the fluid outside the tube, a plurality of baffles are usually arranged in the shell. This heat exchanger has simple structure, low cost, wide flow cross section and easy cleaning of scale.

[0003] However, in the above-mentioned scheme and prior art, the hot material enters the high-efficiency tubular heat exchanger from the conveying pipe through the connecting pipe, the conveying pipe and the connecting pipe are connected by the flange plate, and the rubber pad is arranged in the middle to realize sealing; during use, the temperature of the pipe wall rises when the hot material is conveyed, and the rubber pad is prone to softening and loosening, which cannot be precisely attached to the flange plate, thereby affecting the sealing effect of the device.

[0004] Therefore, the utility model provides high -efficient high -sealing tubular heat exchanger for solving above -mentioned problem. UTILITY MODEL CONTENTS

[0005] The utility model discloses a high -efficient high -sealing tubular heat exchanger to solve the problem in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: high -efficient high -sealing tubular heat exchanger including high -efficient tubular heat exchanger main part, conveying pipe, sealing assembly and auxiliary assembly,

[0007] High -efficient tubular heat exchanger main part, the high -efficient tubular heat exchanger main part is provided with the connecting pipe, and the first flange plate is fixedly arranged on the connecting pipe;

[0008] Conveying pipe, the second flange plate is fixedly arranged on the conveying pipe, and the sealing assembly and the auxiliary assembly are arranged on the second flange plate and the first flange plate, and the second flange plate and the first flange plate are clamped and fixedly connected through the bolt nut.

[0009] Preferably, the sealing assembly comprises a check ring, a fixed frame, a circular groove, a square groove, a rubber pad, a ring groove, an air ring, an air bag, a frame groove, an extrusion block and a fixed ring; the check ring and the fixed frame are fixedly arranged on the end face of the first flange plate, and the circular groove and the square groove are formed between the check ring and the fixed frame; the ring groove is formed on the peripheral wall of the rubber pad; the frame groove is formed on the end face of the second flange plate, the extrusion block is fixedly arranged in the frame groove in a symmetrical manner, and the fixed ring is fixedly arranged on the bottom wall of the frame groove.

[0010] Preferably, the auxiliary assembly comprises a first lug plate, a positioning column, a second lug plate and a positioning hole; the first lug plate is fixedly arranged on the circumferential wall of the first flange plate at equal intervals, and the positioning column is fixedly arranged on the first lug plate.

[0011] Preferably, the rubber pad is inserted into the circular groove, the rubber pad is inserted into the retainer, and the rubber pad is clamped on the first flange plate and the second flange plate; the fixed frame is inserted into the frame groove, and the retainer is inserted into the fixed ring.

[0012] Preferably, the air ring is sleeved on the ring groove, the air bag is clamped into the square groove, and the extrusion block extrudes the air bag.

[0013] Preferably, the second lug plate is fixedly arranged on the circumferential wall of the second flange plate at equal intervals, and the positioning hole is arranged on the second lug plate; the positioning column is inserted into the positioning hole.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] By sleeving the air ring on the circumferential wall of the rubber pad, the gas in the air bag is extruded into the air ring by the extrusion block during the clamping process of the first flange plate and the second flange plate, so that the rubber pad is tightly attached to the flange plate, the sealing property of the device is improved, and when the tubular heat exchanger transports hot materials, the temperature of the pipe wall rises, the gas in the air ring is heated and expanded to increase the volume, the air ring is further extruded to make the rubber pad tightly attached to the flange plate, the rubber pad is prevented from loosening, and the sealing effect of the device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural connection schematic view of the first flange plate of the utility model;

[0018] Figure 3 It is a structural connection schematic view of the rubber pad of the utility model;

[0019] Figure 4 It is a structural connection schematic view of the second flange plate of the utility model.

[0020] In the drawing: the high-efficiency tubular heat exchanger main body 1, the connecting pipe 2, the conveying pipe 3, the first flange plate 4, the second flange plate 5, the retainer 6, the fixed frame 7, the circular groove 8, the square groove 9, the rubber pad 10, the ring groove 11, the air ring 12, the air bag 13, the frame groove 14, the extrusion block 15, the fixed ring 16, the first lug plate 17, the positioning column 18, the second lug plate 19, and the positioning hole 20. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below. All other embodiments obtained by the person skilled in the art without creative labor under the premise that the embodiments in the utility model are within the scope of the utility model protection.

[0022] Please refer to Figures 1-4 The utility model provides the following two preferred scheme embodiments:

[0023] Embodiment one: high -efficient high -sealing tubular heat exchanger, including high -efficient tubular heat exchanger main body 1, conveying pipe 3, sealing assembly and auxiliary assembly, be provided with connecting pipe 2 on high -efficient tubular heat exchanger main body 1, be fixedly provided with first flange plate 4 on connecting pipe 2, be fixedly provided with second flange plate 5 on conveying pipe 3, and sealing assembly and auxiliary assembly are provided on second flange plate 5 and first flange plate 4, and second flange plate 5 and first flange plate 4 are clamped and are fixedly connected through bolt nut, sealing assembly contains baffle 6, fixed frame 7, round groove 8, square groove 9, rubber pad 10, ring groove 11, gas ring 12, gas bag 13, frame groove 14, extrusion block 15 and fixed ring 16, baffle 6 and fixed frame 7 are fixedly set on the end face of first flange plate 4, and form round groove 8 and square groove 9 between baffle 6 and fixed frame 7, ring groove 11 is set up on the peripheral wall of rubber pad 10, and gas bag 13 is communicated and set up on the peripheral wall of gas ring 12, frame groove 14 is set up in the end face of second flange plate 5, and extrusion block 15 is fixedly set up in frame groove 14 symmetrically, and fixed ring 16 is fixedly set in the bottom wall of frame groove 14, rubber pad 10 is inserted in round groove 8, rubber pad 10 is inserted with baffle 6, and rubber pad 10 two sides are clamped with first flange plate 4 and second flange plate 5 respectively, fixed frame 7 is inserted with frame groove 14, and baffle 6 is inserted with fixed ring 16, gas ring 12 is sleeved in ring groove 11, and gas bag 13 is clamped into square groove 9, extrusion block 15 and gas bag 13 set position correspond, and set group number is same, and extrusion block 15 extrudes gas bag 13.

[0024] When using, the gas ring 12 is sleeved in the ring groove 11 of the rubber pad 10, so that the rubber pad 10 is inserted into the round groove 8, at this time, the rubber pad 10 is inserted with the baffle 6, and the gas bag 13 is clamped into the square groove 9, then the first flange plate 4 and the second flange plate 5 are clamped, the fixed frame 7 is inserted with the frame groove 14, the baffle 6 is inserted with the fixed ring 16 to improve the stability of the flange plate connection, until the rubber pad 10 two sides are clamped with the first flange plate 4 and the second flange plate 5 respectively, at this time, the extrusion block 15 extrudes the gas bag 13, so that the gas in the gas bag 13 is extruded into the gas ring 12, the gas ring 12 is enlarged to extrude the rubber pad 10, so that it is tightly attached with the flange plate, realizing the sealing effect of the connecting pipe 2 and the conveying pipe 3 connection place; when the high -efficient tubular heat exchanger transports hot material, the temperature of the pipe wall rises, so that the gas in the gas ring 12 is heated and expanded to increase the volume, the gas ring 12 is enlarged to further extrude the rubber pad 10, so that it is tightly attached with the flange plate, avoiding the rubber pad 10 from loosening, and ensuring the sealing effect of the device.

[0025] In the embodiment, the auxiliary assembly comprises a first protruding plate 17, a positioning column 18, a second protruding plate 19 and a positioning hole 20. The first protruding plate 17 is fixed on the wall of the first flange plate 4 at equal intervals, and the positioning column 18 is fixed on the first protruding plate 17. The second protruding plate 19 is fixed on the wall of the second flange plate 5 at equal intervals, and the positioning hole 20 is formed in the second protruding plate 19. The positioning column 18 and the positioning hole 20 are arranged in the same number and correspond to each other, and the positioning column 18 is inserted into the positioning hole 20.

[0026] In use, after the rubber pad 10 and the air ring 12 are installed, the first flange plate 4 and the second flange plate 5 are installed in abutment. During the installation, the positioning column 18 is inserted into the positioning hole 20, and when the bolt and the nut are installed in the mounting holes of the first flange plate 4 and the second flange plate 5, the first flange plate 4 and the second flange plate 5 will not be deviated, so that the extrusion block 15 can stably descend and extrude the air bag 13, and the sealing connection of the connecting pipe 2 and the conveying pipe 3 is facilitated.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high efficiency high sealable tube heat exchanger characterized by: Efficient tubular heat exchanger main body (1), conveying pipe (3), sealing assembly and auxiliary assembly are included; Efficient tubular heat exchanger main body (1), the first flange plate (4) is fixedly arranged on the connecting pipe (2) of the efficient tubular heat exchanger main body (1); Conveying pipe (3), the second flange plate (5) is fixedly arranged on the conveying pipe (3), the sealing assembly and the auxiliary assembly are arranged on the second flange plate (5) and the first flange plate (4), the second flange plate (5) and the first flange plate (4) are clamped and fixedly connected through bolts and nuts; The sealing assembly includes a check ring (6), a fixed frame (7), a circular groove (8), a square groove (9), a rubber pad (10), a ring groove (11), an air ring (12), an air bag (13), a frame groove (14), an extrusion block (15) and a fixed ring (16); the check ring (6) and the fixed frame (7) are fixedly arranged on the end face of the first flange plate (4), and the circular groove (8) and the square groove (9) are formed between the check ring (6) and the fixed frame (7); the ring groove (11) is formed in the peripheral wall of the rubber pad (10); the frame groove (14) is formed in the end face of the second flange plate (5), the extrusion block (15) is fixedly arranged in the frame groove (14) symmetrically, and the fixed ring (16) is fixedly arranged on the bottom wall of the frame groove (14).

2. The high efficiency high seal-tube heat exchanger according to claim 1, characterized in that: The auxiliary assembly includes a first lug plate (17), a positioning column (18), a second lug plate (19) and a positioning hole (20); the first lug plate (17) is fixedly arranged equidistantly on the peripheral wall of the first flange plate (4), and the positioning column (18) is fixedly arranged on the first lug plate (17).

3. The high efficiency high seal-tube heat exchanger according to claim 1, characterized in that: The rubber pad (10) is inserted into the circular groove (8), the rubber pad (10) is inserted into the check ring (6), and the rubber pad (10) is clamped on the first flange plate (4) and the second flange plate (5) on both sides; the fixed frame (7) is inserted into the frame groove (14), and the check ring (6) is inserted into the fixed ring (16).

4. The high efficiency high seal-tube heat exchanger according to claim 1, characterized in that: The air ring (12) is communicated with the air bag (13) on the peripheral wall, the air ring (12) is sleeved in the ring groove (11), the air bag (13) is clamped into the square groove (9), and the extrusion block (15) extrudes the air bag (13).

5. The high efficiency high seal-tube heat exchanger according to claim 2, characterized in that: The second lug plate (19) is fixedly arranged equidistantly on the peripheral wall of the second flange plate (5), the positioning hole (20) is formed in the second lug plate (19), and the positioning column (18) is inserted into the positioning hole (20).

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