Partition plate structure of tube box of shell-and-tube heat exchanger

Abstract

The utility model discloses a partition plate structure of a tube box of a shell-and-tube heat exchanger, which relates to the field of shell-and-tube heat exchangers and comprises a heat exchange tube, one end of the heat exchange tube is connected with the tube box through a flange, a partition plate is arranged in the tube box, and a limiting mechanism is arranged on the tube box. The limiting mechanism comprises a limiting unit and a butt joint unit; the butt joint unit is used for providing support for installation of the partition plate. And the limiting unit is used for fixing and limiting the partition plate. By arranging the limiting mechanism, when a damaged partition plate needs to be replaced, rotating force can be given to the rotating wheel to drive the limiting block to move out of the limiting groove, so that limiting between the limiting block and the connecting base is relieved, the connecting base with the partition plate can be conveniently pulled out of the tube box, the partition plate is directly replaced, and the replacement efficiency is improved. And a new partition plate can be conveniently replaced and installed, the working efficiency is further improved, before the new partition plate is installed, the partition plate and the connecting base can be directly welded outside, and the welding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of shell and tube heat exchanger, specifically a shell and tube heat exchanger tube box bulkhead structure. BACKGROUND

[0002] Shell and tube heat exchanger is with the wall surface of the tube bundle closed in the shell as the heat transfer surface partition wall type heat exchanger. This heat exchanger simple structure, low cost, wide flow cross section, easy to clean scale, but the heat transfer coefficient is low, occupies large area. Can be made of various structural materials (mainly metal materials), can be used at high temperature, high pressure, is the most widely used type.

[0003] In the prior art, the shell and tube heat exchanger is usually provided with a tube box and a bulkhead fixed in the tube box, the bulkhead separates the tube side medium inlet and the tube side medium outlet, at present, the bulkhead is usually welded in the shell and tube heat exchanger, when the bulkhead is damaged due to pressure or post-welding deformation, the bulkhead needs to be replaced and repaired, since the bulkhead is welded in the shell and tube heat exchanger, the bulkhead needs to be cut by a cutting machine during maintenance, which is easy to cause damage to the tube box, in order to facilitate quick replacement of the bulkhead, the utility model provides a shell and tube heat exchanger tube box bulkhead structure. UTILITY MODEL CONTENTS

[0004] The utility model aims at: in order to solve the problem in the prior art, provide a kind of shell and tube heat exchanger tube box bulkhead structure.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of shell and tube heat exchanger tube box bulkhead structure, including heat exchange pipe, the heat exchange pipe is connected with tube box by flange in one end, the inside of the tube box is provided with bulkhead, and the limiting mechanism is arranged on the tube box;

[0006] The limiting mechanism includes limiting unit, butt joint unit;

[0007] The butt joint unit is used to provide support for the installation of the bulkhead;

[0008] The limiting unit is used for the fixation of the bulkhead by limiting.

[0009] As a further scheme of the utility model: the butt joint unit includes connecting seat, limiting slot;

[0010] The connecting seat is axially slidably installed in the inside of the tube box, and the connecting seat is used to provide orientation for the installation of the bulkhead;

[0011] The limiting slot is opened in the one side outer wall of connecting seat, and the limiting slot is used to provide space for the butt joint of limiting block.

[0012] As a further scheme of the utility model: the limiting unit includes a fixed seat, a rotating wheel, a movable block, a limiting block;

[0013] The fixed seat is fixed to the outer wall of the heat exchange pipe, and is used for providing support for rotation of the rotating wheel;

[0014] The rotating wheel is rotatably installed on the inner wall of the fixed seat and extends to the outside of the fixed seat, and is used for synchronously driving the movable block to move axially;

[0015] The movable block is axially slidably installed in the inside of the fixed seat and is sleeved on the outer wall of the rotating wheel, and is used for giving the limiting block an extrusion thrust;

[0016] The limiting block is laterally slidably installed in the inside of the fixed seat, and is used for fixing the position of the connecting seat in cooperation with the limiting groove.

[0017] As a further scheme of the utility model: the outer wall of the connecting seat is in a whole "U" type structure, and the inner side of the connecting seat is matched with the outer wall of the partition plate.

[0018] As a further scheme of the utility model: the inner side of the limiting groove is matched with the outer wall of the limiting block, and the end portion of the limiting block is in an inclined state.

[0019] As a further scheme of the utility model: the inside of the fixed seat is formed with a sliding groove for lateral movement of the limiting block, and the inner wall of the movable block is formed with a threaded groove matched with the outer wall of the rotating wheel.

[0020] As a further scheme of the utility model: the inside of the pipe box is formed with a slot for insertion of the connecting seat, and the slot and the outer wall of the connecting seat are provided with a sealing strip for providing sealing.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] When the damaged partition plate needs to be replaced, the rotating wheel is given a rotating force to drive the limiting block to move out of the limiting groove, so that the limiting of the limiting block and the connecting seat is released, the connecting seat with the partition plate is conveniently pulled out of the pipe box, the partition plate is directly replaced, a new partition plate is conveniently replaced, work efficiency is further improved, and the partition plate and the connecting seat are directly welded before the new partition plate is installed, welding efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a structural schematic view of the utility model;

[0024] Fig. 2 It is a pipe box internal structure sectional view of the utility model;

[0025] Fig. 3 The separation structure diagram of the limiting block and the limiting groove of the utility model is shown.

[0026] In the figure: 1, heat exchange pipe; 2, pipe box; 3, partition; 4, limiting mechanism; 401, fixed seat; 402, runner; 403, movable block; 404, limiting block; 405, connecting seat; 406, limiting groove. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figs. 1-3 In the embodiments of the utility model, a tube and shell heat exchanger pipe box partition structure, including heat exchange pipe 1, one end of heat exchange pipe 1 is connected with pipe box 2 through flange, the inside of pipe box 2 is provided with partition 3, limiting mechanism 4 is set on pipe box 2;

[0029] The limiting mechanism 4 includes a limiting unit and a docking unit.

[0030] The docking unit is used to provide support for the installation of the partition 3.

[0031] The limiting unit is used to fix the partition 3 by limiting.

[0032] The docking unit includes a connecting seat 405 and a limiting groove 406.

[0033] The connecting seat 405 is axially slidingly installed in the inside of the pipe box 2, and the connecting seat 405 is used to provide guidance for the installation of the partition 3.

[0034] The limiting groove 406 is opened in the outer wall of one side of the connecting seat 405, and the limiting groove 406 is used to provide space for the docking of the limiting block 404.

[0035] The limiting unit includes a fixed seat 401, a runner 402, a movable block 403 and a limiting block 404.

[0036] The fixed seat 401 is fixed to the outer wall of the heat exchange pipe 1, and the fixed seat 401 is used to provide support for the rotation of the runner 402.

[0037] The runner 402 is rotatably installed on the inner wall of the fixed seat 401 and extends to the outside of the fixed seat 401, and the runner 402 is used to synchronously drive the movable block 403 to move axially.

[0038] The movable block 403 is axially slidably installed in the interior of the fixed seat 401 and is sleeved on the outer wall of the rotating wheel 402, and the movable block 403 is used to give the limiting block 404 an extrusion thrust;

[0039] The limiting block 404 is laterally slidably installed in the interior of the fixed seat 401, and the limiting block 404 is used to cooperate with the limiting groove 406 to fix the position of the connecting seat 405.

[0040] In the embodiment, when the baffle 3 needs to be replaced, the rotating wheel 402 is given a rotating force, the rotating rotating wheel 402 transmits the rotating force to the movable block 403, the movable block 403 is axially moved along the inner wall of the fixed seat 401 under the thread action of the outer wall of the rotating wheel 402, the movable block 403 no longer abuts against the bottom of the limiting block 404, the limiting block 404 no longer receives the extrusion force from the movable block 403 and abuts against the interior of the limiting groove 406, at this time, the baffle 3 is given an outward pulling force, the baffle 3 drives the welded connecting seat 405 to separate from the inner slot of the heat exchange pipe 1, the moving connecting seat 405 gives the end portion inclined surface of the limiting block 404 an extrusion thrust, the limiting block 404 is automatically moved out along the inner side of the limiting groove 406 under the action of the inclined surface, thereby releasing the limiting of the limiting block 404 and the connecting seat 405, at this time, the new baffle 3 and the connecting seat 405 can be installed into the interior of the pipe box 2, the welding and installation of the baffle 3 and the connecting seat 405 are facilitated, and the working efficiency is further improved. It needs to be noted that the fixed seat 401, the rotating wheel 402, the movable block 403 and the limiting block 404 are symmetrically distributed on the outer wall of the connecting seat 405 and the heat exchange pipe 1.

[0041] Please refer to Figs. 1-3 , the outer wall of the connecting seat 405 is in a whole "U" shape structure, the inner side of the connecting seat 405 matches the outer wall of the baffle 3, the inner side of the limiting groove 406 matches the outer wall of the limiting block 404, the end portion of the limiting block 404 is in an inclined state, the interior of the fixed seat 401 is formed with a sliding groove for the lateral movement of the limiting block 404, the inner wall of the movable block 403 is formed with a thread groove matching the outer wall of the rotating wheel 402, the interior of the pipe box 2 is formed with a slot for the insertion of the connecting seat 405, and the slot and the outer wall of the connecting seat 405 are provided with a sealing strip for providing sealing.

[0042] In the embodiment, through the structure, the inner side of the connecting seat 405 can be inserted to the joint before the new baffle 3 is installed, the welding of the baffle 3 and the connecting seat 405 can be completed outside, the baffle 3 does not need to be placed in the interior of the pipe box 2 for welding, the welding efficiency is improved, and under the action of the end portion inclined surface of the limiting block 404, after the limiting block 404 enters the interior of the limiting groove 406, the inclined surface of the limiting block 404 gives the inner wall of the limiting groove 406 an extrusion thrust, and the connecting force of the connecting seat 405 and the pipe box 2 is improved.

[0043] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A shell-and-tube heat exchanger tube box baffle structure, comprising heat exchange tubes (1), one end of which is connected to a tube box (2) via a flange, and a baffle (3) is provided inside the tube box (2), characterized in that, A limiting mechanism (4) is installed on the pipe box (2); The limiting mechanism (4) includes a limiting unit and a docking unit; The docking unit is used to provide support for the installation of the partition (3); The limiting unit is used to fix the partition (3) by limiting its position.

2. The tube box partition structure for a shell-and-tube heat exchanger according to claim 1, characterized in that, The docking unit includes a connecting seat (405) and a limiting groove (406); The connecting seat (405) is axially slidably installed inside the pipe box (2), and the connecting seat (405) is used to provide guidance for the installation of the partition (3); The limiting groove (406) is formed on one side of the outer wall of the connecting seat (405), and the limiting groove (406) is used to provide space for the docking of the limiting block (404).

3. The tube box partition structure for a shell-and-tube heat exchanger according to claim 1, characterized in that, The limiting unit includes a fixed base (401), a rotating wheel (402), a movable block (403), and a limiting block (404); The fixing seat (401) is fixed to the outer wall of the heat exchange tube (1), and the fixing seat (401) is used to provide support for the rotation of the rotor (402); The rotating wheel (402) is rotatably mounted on the inner wall of the fixed base (401) and extends to the outside of the fixed base (401). The rotating wheel (402) is used to synchronously drive the movable block (403) to move axially. The movable block (403) is axially slidably installed inside the fixed seat (401) and sleeved on the outer wall of the rotating wheel (402). The movable block (403) is used to give the limiting block (404) a squeezing thrust. The limiting block (404) is laterally slidably installed inside the fixed base (401), and the limiting block (404) is used to cooperate with the limiting groove (406) to fix the position of the connecting base (405).

4. The tube box partition structure for a shell-and-tube heat exchanger according to claim 2, characterized in that, The outer wall of the connecting seat (405) is in the shape of a "U" and the inner side of the connecting seat (405) matches the outer wall of the partition (3).

5. The tube box partition structure for a shell-and-tube heat exchanger according to claim 3, characterized in that, The inner side of the limiting groove (406) fits into the outer wall of the limiting block (404), and one end of the limiting block (404) is inclined.

6. The tube box partition structure for a shell-and-tube heat exchanger according to claim 3, characterized in that, The fixed base (401) has a sliding groove formed inside for the lateral movement of the limiting block (404), and the inner wall of the movable block (403) has a threaded groove that matches the outer wall of the rotating wheel (402).

7. The tube box partition structure for a shell-and-tube heat exchanger according to claim 2, characterized in that, The inside of the tube box (2) is formed with a slot for inserting the connector (405), and the slot and the outer wall of the connector (405) are provided with a sealing strip to provide a seal.

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