Equipment for disassembling end socket of heat exchanger

By designing a disassembly equipment for column tube heat exchangers, the problem of difficulty in disassembly of the seal is solved, and safe lifting and efficient disassembly of the seal is achieved.

CN222743959UActive Publication Date: 2025-04-11ZHEJIANG HONGJI PETROCHEM
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Patent Information

Application Number
CN202421610305.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-04-11
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

The tube heat exchanger head is at the highest point of the device, making it difficult to construct the crane, and the head is heavy and there is no hanging point, making it very difficult to disassemble.

Method used

A heat exchanger head disassembly equipment is designed, including a base and a bracket. The bracket is arched and is equipped with a guide device and a hoist. The wire rope passes through the wheel grooves of the main wheel and the auxiliary wheel for lifting and disassembling the head.

Benefits of technology

The ends of the tube heat exchanger are lifted to facilitate disassembly and clean the sealing head. The design of the wire rope prevents the dismantling and removal, which improves the safety and efficiency of operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222743959U_ABST
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Abstract

The utility model discloses a heat exchanger end socket dismounting device which comprises two bases and a support located above the bases, the two bases are symmetrically arranged, a mounting plate is fixedly mounted on one base, a winch is fixedly mounted on the mounting plate, and a steel wire rope is wound on a winding drum of the winch; the whole support is in an arch shape and comprises two sets of side frames which are symmetrically arranged front and back, and the two sets of side frames are fixedly connected through a plurality of connecting beams. The side frame comprises two inclined main beams which are symmetrically arranged, the bottoms of the inclined main beams are fixedly installed on the base, and the tops of the two inclined main beams are fixedly connected through a top beam; according to the utility model, the end socket of the tube type heat exchanger can be hoisted, so that the end socket of the heat exchanger can be conveniently detached and cleaned.
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Description

Technical Field

[0001] The utility model relates to the field of hoisting equipment, in particular to equipment for disassembling a heat exchanger head. Background Art

[0002] The shell and tube heat exchanger is the most widely used heat exchanger in chemical production. It is mainly composed of shell, tube sheet, heat exchange tube, head, baffle, etc. The required materials can be made of ordinary carbon steel, copper, or stainless steel. During heat exchange, one fluid enters from the connecting pipe of the head, flows in the tube, and flows out from the outlet pipe at the other end of the head. This is called the tube side; the other fluid enters from the connecting pipe of the shell and flows out from another connecting pipe on the shell. This is called the shell side.

[0003] For example, a patent with authorization announcement number CN221099471U discloses a shell-and-tube heat exchanger, which belongs to the technical field of heat exchangers, and includes a base and a heat exchanger body, wherein a first groove and a second groove are opened at the bottom end of the base, a through hole is opened between the first groove and the second groove, and two round rods are fixed thereto and a support plate is provided thereto, two rollers are installed at the bottom end of the support plate, two support rods are fixed at the top end and are connected to a drive rod through a first connecting block, a third groove is opened at the top end of the two support rods, and the bottom end of the round rod is connected to the third groove through a first spring; a first screw is connected to the side wall of the second groove through a bearing, and the other end of the first screw is fixedly connected to the second screw through a block and both are connected to a screw tube, and the bottom end of the screw tube is connected to the other end of the drive rod through a second connecting block; and the heat exchanger is used.

[0004] The above patent facilitates movement, avoiding the need for cranes to transport and transfer the heat exchanger due to its large structure, greatly saving manpower and material resources; however, due to the large size of the shell-and-tube heat exchanger and the fact that the heat exchanger head is at the highest point of the device, it is difficult to use a crane for construction. However, the heat exchanger head needs to be disassembled and cleaned every year; the head is very heavy and there is no lifting point on the top, making it very difficult to disassemble.

[0005] Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0006] The utility model aims to provide a device for disassembling a heat exchanger head to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] Equipment for disassembling a heat exchanger head includes a base and a bracket located above the base, wherein two bases are provided and the two bases are symmetrically arranged, a mounting plate is fixedly installed on one of the bases, a winch is fixedly installed on the mounting plate, and a steel wire rope is wound on the drum of the winch; the bracket is arched as a whole, and the bracket includes two groups of side frames symmetrically arranged front and back, and the two groups of side frames are fixedly connected by a plurality of connecting beams; the side frame includes two symmetrically arranged inclined main beams, wherein the bottom of the inclined main beam is fixedly installed on the base, and a top beam is passed between the tops of the two inclined main beams. Fixed connection; wherein the inner side of the inclined main beam is also fixedly connected with an inclined secondary beam, wherein the bottom of the inclined secondary beam is also fixedly connected to the base, and an arc-shaped arc beam is also fixedly connected between the tops of the inclined secondary beams; the support columns on the two bases and the middle arc beam constitute an arched space for the shell-and-tube heat exchanger to pass through; the bracket is also provided with at least two or more guide devices, one of which is located on the connecting beam at the top of the bracket, and the other is located on the connecting beam on the side of the bracket; the guide device includes a guide wheel frame, a main wheel and an auxiliary wheel.

[0009] Furthermore, the base is in the form of a rectangular frame as a whole, and universal wheels with foot brakes are fixedly mounted at the four corners of the base.

[0010] Furthermore, a support column is fixedly connected below the top of the arc-shaped beam, and the bottom of the support column is fixedly installed on the top of the base. At the same time, a plurality of horizontal beams are connected between the support column and the inclined sub-beam.

[0011] Furthermore, the guide wheel frame includes a base plate and side plates located on the left and right sides of the top of the base plate, and the base plate is fixedly mounted on the connecting beam by bolts; a main guide wheel is rotatably connected between the two side plates by a rotating shaft; the auxiliary wheel is rotatably connected to the inner side of an auxiliary bracket by a rotating shaft, and the auxiliary bracket is fixedly mounted on the outer side of the guide wheel frame by pins.

[0012] Furthermore, the main driving wheel and the auxiliary wheel are arranged tangentially, and wheel grooves are opened on the wheel surfaces of the main driving wheel and the auxiliary wheel; the wire rope is located between the wheel grooves of the main driving wheel and the auxiliary wheel; the wire rope is led out from the drum of the winch, passes through the guide device on the side of the bracket and the guide device on the top of the bracket in turn, and then a hook is arranged downward.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The end of the shell and tube heat exchanger can be hoisted, so that the heat exchanger head can be disassembled and cleaned easily.

[0015] The wire rope is located between the wheel grooves of the main wheel and the auxiliary wheel to limit the position of the wire rope. At the same time, the main wheel and the auxiliary wheel in the guide device are set tangent to each other to prevent the wire rope from escaping. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the equipment used to dismantle the heat exchanger head.

[0017] Figure 2 This is a front view of the equipment used to dismantle the heat exchanger head.

[0018] Figure 3 Side view of the equipment used to dismantle the heat exchanger head.

[0019] Figure 4 A top view of the equipment used to disassemble the heat exchanger head.

[0020] Figure 5 This is a schematic diagram of the structure of the guide device in the equipment for disassembling the heat exchanger head. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0022] See also Figure 1-5 , a heat exchanger head disassembly device, comprising a base 1 and a bracket 2 located above the base 1, wherein two bases are provided, and the two bases 1 are symmetrically arranged, a mounting plate 101 is fixedly installed on one of the bases 1, a winch 3 is fixedly installed on the mounting plate 101, and a steel wire rope 4 is wound on the drum of the winch 3;

[0023] The base 1 is a rectangular frame as a whole, and universal wheels 102 with foot brakes are fixedly installed at the four corners of the base 1, so that the whole device can be easily moved;

[0024] The support 2 is arched as a whole, and includes two groups of side frames 201 symmetrically arranged front and rear, and the two groups of side frames 201 are fixedly connected by a plurality of connecting beams 202; the side frame 201 includes two symmetrically arranged inclined main beams 204, wherein the bottom of the inclined main beam 204 is fixedly installed on the base 1, and the tops of the two inclined main beams 204 are fixedly connected by a top beam 205; wherein the inner side of the inclined main beam 204 is also fixedly connected to an inclined secondary beam 206, wherein the bottom of the inclined secondary beam 206 is also fixedly connected to the base 1, and an arc-shaped arc beam 207 is also fixedly connected between the tops of the inclined secondary beams 206, wherein a support column 208 is also fixedly connected below the top of the arc beam 207, and the bottom of the support column 208 is fixedly installed on the top of the base 1, and a plurality of horizontal beams 209 are also connected between the support column 208 and the inclined secondary beam 206, for increasing the overall structural strength of the side frame 201;

[0025] In this solution, the support columns 208 on the two bases and the arc-shaped beam 207 in the middle form an arched space for the shell-and-tube heat exchanger to pass through. The arched structure has high strength and can evenly transfer the gravity load to the supporting point, so that the entire structure can withstand greater force; when the end is hoisted, it can withstand greater weight; when in use, the two bases of the bracket 2 can be located on both sides of the shell-and-tube heat exchanger, and the shell-and-tube heat exchanger is located in the arched space;

[0026] Meanwhile, in the present embodiment, at least two guide devices 5 are provided on the bracket 2, one of which is located on the connecting beam 202 at the top of the bracket 2, and the other is located on the connecting beam 202 at the side of the bracket 2;

[0027] like Figure 5 As shown, the guide device 5 includes a guide wheel frame 501, a main guide wheel 502 and an auxiliary wheel 503;

[0028] The guide wheel frame 501 includes a bottom plate 504 and side plates 505 located on the left and right sides of the top of the bottom plate 504. The bottom plate 504 is fixedly mounted on the connecting beam 202 by bolts; the main guide wheel 502 is rotatably connected between the two side plates 505 via a rotating shaft; the auxiliary wheel 503 is rotatably connected to the inner side of the auxiliary bracket 506 via a rotating shaft, and the auxiliary bracket 506 is fixedly mounted on the outer side of the guide wheel frame 501 by pins;

[0029] The main driving wheel 502 and the auxiliary wheel 503 are arranged tangentially, and wheel grooves 507 are provided on the wheel surfaces of the main driving wheel 502 and the auxiliary wheel 503; the wire rope 4 is located between the wheel grooves 507 of the main driving wheel 502 and the auxiliary wheel 503;

[0030] The wire rope 4 is led out from the drum of the hoist 3, passes through the guide device 5 on the side of the bracket 2 and the guide device 5 on the top of the bracket 2 in sequence, and then a hook 401 is set downward;

[0031] When the utility model is used, the whole device is pushed to one end of the shell-and-tube heat exchanger, and then the arched space formed by the support column 208 and the middle arc-shaped beam 207 is opposite to one end of the shell-and-tube heat exchanger, and then it is pushed toward the shell-and-tube heat exchanger so that the hook is located directly above the end of the shell-and-tube heat exchanger; the universal wheel 102 with a foot brake is fixed, the end is mounted on the hook, and the winch is started to hoist the end of the shell-and-tube heat exchanger, thereby facilitating the removal of the heat exchanger head for cleaning.

[0032] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "connection" and the like should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integral 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, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

Claims

1. Equipment for disassembling a heat exchanger head, comprising a base and a bracket located above the base, characterized in that: There are two bases, and the two bases are symmetrically arranged. A mounting plate is fixedly installed on one of the bases, and a winch is fixedly installed on the mounting plate, and a wire rope is wound on the drum of the winch; the bracket is arched as a whole, and the bracket includes two groups of side frames symmetrically arranged front and back, and the two groups of side frames are fixedly connected by a plurality of connecting beams; the side frame includes two symmetrically arranged inclined main beams, wherein the bottom of the inclined main beam is fixedly installed on the base, and the tops of the two inclined main beams are fixedly connected by a top beam; the inner side of the inclined main beam is also fixedly connected to an inclined secondary beam, wherein the bottom of the inclined secondary beam is also fixedly connected to the base, and an arc-shaped arc beam is also fixedly connected between the tops of the inclined secondary beams; the support columns on the two bases and the arc beam in the middle constitute an arched space for the shell and tube heat exchanger to pass through; at least two or more guide devices are also arranged on the bracket, one of which is located on the connecting beam at the top of the bracket, and the other is located on the connecting beam on the side of the bracket; the guide device includes a guide wheel frame, a main wheel and an auxiliary wheel.

2. The heat exchanger head disassembly equipment according to claim 1, characterized in that: The base is in the form of a rectangular frame as a whole, and universal wheels with foot brakes are fixedly installed at the four corners of the base.

3. The heat exchanger head disassembly equipment according to claim 1, characterized in that: A support column is fixedly connected below the top of the arc-shaped beam, and the bottom of the support column is fixedly installed on the top of the base. At the same time, a plurality of horizontal beams are connected between the support column and the inclined auxiliary beam.

4. The heat exchanger head disassembly equipment according to claim 1, characterized in that: The guide wheel frame includes a base plate and side plates located on the left and right sides of the top of the base plate, and the base plate is fixedly mounted on the connecting beam by bolts; a main guide wheel is rotatably connected between the two side plates by a rotating shaft; the auxiliary wheel is rotatably connected to the inner side of the auxiliary bracket by a rotating shaft, and the auxiliary bracket is fixedly mounted on the outer side of the guide wheel frame by pins.

5. The heat exchanger head disassembly equipment according to claim 4, characterized in that: The main driving wheel and the auxiliary wheel are arranged tangentially, and wheel grooves are provided on the wheel surfaces of the main driving wheel and the auxiliary wheel; the wire rope is located between the wheel grooves of the main driving wheel and the auxiliary wheel; the wire rope is led out from the drum of the winch, passes through the guide device on the side of the bracket and the guide device on the top of the bracket in turn, and then a hook is arranged downward.

Citation Information

Patent Citations

  • Tubular heat exchanger

    CN221099471U