CN220250800U

CN220250800U - Heat exchanger structure convenient to replace

Info

Publication number: CN220250800U
Application number: CN202321754939.8U
Authority: CN
Inventors: 袁宁; 王世腾; 孙恩扬; 张志荣; 林荣毅
Original assignee: Dalian Renhai Heavy Industry Co ltd
Current assignee: Dalian Renhai Heavy Industry Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2023-12-26
Anticipated expiration: 2033-07-06

Abstract

The utility model discloses a heat exchanger structure convenient to replace, which comprises a shell, two flow guide pipes, a plurality of tube bundles and a tube box, wherein one ends of the two flow guide pipes are respectively connected with the top end and the bottom end of the shell in a penetrating way, the tube bundles are arranged in the shell, the tube box is arranged at one end of the shell, one side of the outer part of the shell is provided with a limiting component, the limiting component comprises two fixed plates, two limiting plates, two fixed shafts, two arc plates and two limiting grooves, the limiting plates, the arc plates, threaded rods, nuts, floating head gaskets and floating tube plates are arranged, the tube bundles can realize heat exchange in the heating process, the two limiting plates are respectively embedded into the arc plates to move, so that the limiting plates can be firmly limited to the inner parts of the arc plates, the tube box and the shell can be detached more quickly, the cleaning speed of the tube bundles is increased, and the sealing property between the gasket and the floating tube plates is improved.

Description

Heat exchanger structure convenient to replace

Technical Field

The utility model relates to the technical field of heat exchanger structures, in particular to a heat exchanger structure convenient to replace.

Background

The shell-and-tube heat exchanger is also called shell-and-tube heat exchanger, which is a partition wall type heat exchanger with the wall surface of the tube bundle enclosed in the shell as the heat transfer surface, and the heat exchanger has simple structure, low cost, wide flow section and easy cleaning of scale.

However, the existing heat exchanger structure is universal, a large number of bolts are usually used for fixing the shell, when the inner surface is damaged, replacement is laborious, and the efficiency of cleaning scale on the surface of the tube bundle is poor, so that the heat exchanger structure convenient to replace is designed.

Disclosure of Invention

The utility model aims to provide a heat exchanger structure convenient to replace, which aims to solve the problems that a large number of bolts are usually used for fixing a shell in the tube box in the prior art, when the inner surface is damaged, replacement is laborious, and the efficiency of cleaning scale on the surface of a tube bundle is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat exchanger structure convenient to change, includes casing, two honeycomb ducts, a plurality of tube banks and pipe case, two the one end of honeycomb duct alternates with the top and the bottom of casing respectively and is connected, and is a plurality of the tube bank all sets up the inside at the casing, the pipe case sets up the one end at the casing, the outside one side of casing is provided with spacing subassembly, spacing subassembly includes two fixed plates, two limiting plates, two fixed axles, two arc and two spacing grooves, the outside of casing is provided with auxiliary assembly, auxiliary assembly includes two threaded rods, four nuts and packing ring.

As a preferable technical scheme of the utility model, one side of each of the two fixing plates is fixedly connected with two sides of the pipe box, and one side of each of the two limiting plates is fixedly connected with one side of each of the two fixing plates.

As a preferable technical scheme of the utility model, fixed shafts are fixedly arranged on two sides of the shell, and arc plates are sleeved at one end parts of the two fixed shafts.

As a preferable technical scheme of the utility model, the two limiting plates respectively move in the two arc-shaped plates, and limiting grooves are formed in the surfaces of the two limiting plates.

As a preferable technical scheme of the utility model, threaded rods are arranged between the two arc-shaped plates and the inside of the two limiting plates, and four nuts are respectively sleeved with threads at two end parts of the two threaded rods.

As a preferred technical solution of the present utility model, the gasket is disposed inside the housing, and a floating tube plate is disposed inside the gasket.

As a preferable technical scheme of the utility model, one end of the gasket is provided with a floating head gasket, and the diameter of the floating head gasket is larger than that of the floating tube plate.

Compared with the prior art, the utility model has the beneficial effects that:

according to the heat exchanger structure convenient to replace, the limiting plates, the arc plates, the threaded rods, the nuts, the floating head gaskets and the floating tube plates are arranged, heat exchange can be achieved in a heating process, the two limiting plates are respectively embedded into the arc plates to move, the two threaded rods are sequentially embedded into the arc plates and the limiting grooves, the corresponding two nuts are respectively in threaded connection with the two ends of the threaded rods, so that the limiting plates can be stably limited into the arc plates, the tube boxes and the shell can be detached more quickly, the cleaning speed of the tube bundles is increased, and the floating head gaskets increase the sealing performance between the gaskets and the floating tube plates.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a schematic partial elevation view of the present utility model;

fig. 4 is an exploded view of a portion of the present utility model.

In the figure: 1. a housing; 2. a flow guiding pipe; 3. a tube bundle; 4. a tube box; 401. a fixing plate; 402. a limiting plate; 403. a fixed shaft; 404. an arc-shaped plate; 405. a limit groove; 5. a threaded rod; 501. a nut; 502. a gasket; 6. a floating head gasket; 7. and (5) floating the tube plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution of a heat exchanger structure that is convenient to replace:

as shown in fig. 1-4, a heat exchanger structure convenient to replace, including casing 1, two honeycomb ducts 2, a plurality of tube banks 3 and tube case 4, the one end of two honeycomb ducts 2 is connected with the top and the bottom interlude of casing 1 respectively, a plurality of tube banks 3 all set up in the inside of casing 1, tube case 4 sets up the one end at casing 1, one side of casing 1 outside is provided with spacing subassembly, spacing subassembly includes two fixed plates 401, two limiting plates 402, two fixed axles 403, two arc plates 404 and two spacing grooves 405, the outside of casing 1 is provided with auxiliary assembly, auxiliary assembly includes two threaded rods 5, four nuts 501 and packing ring 502, all be provided with threaded rods 5 between the inside of two arc plates 404 and two limiting plates 402, four nuts 501 are established with the both ends screw thread cover of two threaded rods 5 respectively, packing ring 502 sets up the inside of casing 1, the inside of packing ring 502 is provided with floating tube sheet 7, with the inside activity of two limiting plates 402 respectively embedding arc plates 404, insert two threaded rods 5 in proper order 404 and spacing groove 405's inside, corresponding two nut 501 and two arc plates 501 can be connected with the both ends of arc plates 404 firmly.

Working principle: when a plurality of tube bundles 3 are heated, a large amount of scale is accumulated on the surface, the scale is often required to be cleaned at regular time, a high-pressure water gun is generally used for cleaning, at this time, the tube box 4 is required to be detached from one end of the shell 1, but the tube box 4 is limited by a large number of bolts, so that the detachment is relatively slow, therefore, the tube box 4 can be installed through the two limiting plates 402, when the tube box 4 and the shell 1 are installed, a worker can respectively embed the two limiting plates 402 into the arc plates 404 for internal movement, sequentially embed the two threaded rods 5 into the arc plates 404 and the limiting grooves 405, and the corresponding two nuts 501 are respectively in threaded connection with the two ends of the threaded rods 5, so that the limiting plates 402 can be firmly limited into the arc plates 404, and then the tube box 4 can be detached from the shell 1 more quickly, when the inner surface of the tube box 4 is damaged, the tube box 4 can be replaced from one end of the shell 1 quickly, the floating head gasket 6 of the tube bundle 3 is cleaned, and the sealing performance between the floating gasket 7 and the gasket 7 is increased.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heat exchanger structure convenient to change, includes casing (1), two honeycomb ducts (2), a plurality of tube banks (3) and pipe case (4), two the one end of honeycomb duct (2) alternates with the top and the bottom of casing (1) respectively and is connected, a plurality of tube banks (3) all set up the inside at casing (1), pipe case (4) set up the one end at casing (1), its characterized in that: one side of casing (1) outside is provided with spacing subassembly, spacing subassembly includes two fixed plates (401), two limiting plates (402), two fixed axle (403), two arc (404) and two spacing groove (405), the outside of casing (1) is provided with auxiliary assembly, auxiliary assembly includes two threaded rods (5), four nuts (501) and packing ring (502).

2. A heat exchanger structure for facilitating replacement as recited in claim 1, wherein: one side of the two fixing plates (401) is fixedly connected with two sides of the pipe box (4) respectively, and one side of the two limiting plates (402) is fixedly connected with one side of the two fixing plates (401) respectively.

3. A heat exchanger structure for facilitating replacement as recited in claim 1, wherein: fixed shafts (403) are fixedly arranged on two sides of the shell (1), and arc plates (404) are sleeved at one end parts of the two fixed shafts (403).

4. A heat exchanger structure for facilitating replacement as recited in claim 1, wherein: the two limiting plates (402) are respectively movable in the two arc-shaped plates (404), and limiting grooves (405) are formed in the surfaces of the two limiting plates (402).

5. A heat exchanger structure for facilitating replacement as recited in claim 1, wherein: threaded rods (5) are arranged between the two arc-shaped plates (404) and the inside of the two limiting plates (402), and four nuts (501) are respectively sleeved with threads at two ends of the two threaded rods (5).

6. A heat exchanger structure for facilitating replacement as recited in claim 1, wherein: the gasket (502) is arranged inside the shell (1), and a floating tube plate (7) is arranged inside the gasket (502).

7. The heat exchanger structure for easy replacement as recited in claim 6, wherein: one end of the gasket (502) is provided with a floating head gasket (6), and the diameter of the floating head gasket (6) is larger than that of the floating tube plate (7).