阅读说明：本技术 浮管式换热器 (Floating pipe type heat exchanger ) 是由 李晓华 李明宽 雍宪光 韦志勇 常品品 于 2019-09-04 设计创作，主要内容包括：本发明公开了浮管式换热器,属于高温气气换热器领域；所要解决的技术问题是提供了一种结构简单,维修方便,可以避免换热管变形和损坏,可以降低能源消耗的浮管式换热器；解决该技术问题采用的技术方案为：浮管式换热器,包括方形壳体,方形壳体左侧上部设置有冷端入口,左侧下部设置有冷端出口,方形壳体底部设置有热端入口,顶部设置有热端出口,方形壳体内部靠近冷端入口处设置有入口管板,靠近冷端出口处设置有出口管板,在方形壳体内部右侧设置有连通管板,连通管板与入口管板和出口管板正对,连通管板与入口管板和出口管板之间设置有多个换热管,换热管上间隔设置有多个滑动管板；本发明可广泛应用于高温气气换热器领域。(The invention discloses a floating pipe type heat exchanger, belonging to the field of high-temperature gas-gas heat exchangers; the technical problem to be solved is to provide a floating tube type heat exchanger which has simple structure and convenient maintenance, can avoid the deformation and the damage of a heat exchange tube and can reduce the energy consumption; the technical scheme for solving the technical problem is as follows: the floating tube type heat exchanger comprises a square shell, wherein a cold end inlet is formed in the upper portion of the left side of the square shell, a cold end outlet is formed in the lower portion of the left side of the square shell, a hot end inlet is formed in the bottom of the square shell, a hot end outlet is formed in the top of the square shell, an inlet tube plate is arranged in the square shell close to the cold end inlet, an outlet tube plate is arranged close to the cold end outlet, a communicating tube plate is arranged on the right side in the square shell, the communicating tube plate is opposite to the inlet tube plate and the outlet tube plate, a plurality of heat exchange; the invention can be widely applied to the field of high-temperature gas-gas heat exchangers.)

1. Floating-tube heat exchanger, including square casing (1), its characterized in that: a cold end inlet (2) is arranged at the upper part of the left side of a square shell (1), a cold end outlet (3) is arranged at the lower part of the left side, a hot end inlet (4) is arranged at the bottom of the square shell (1), a hot end outlet (5) is arranged at the top of the square shell, an inlet tube plate (6) is arranged at the position close to the cold end inlet (2) in the square shell (1), an outlet tube plate (7) is arranged at the position close to the cold end outlet (3), an upper communicating tube plate (8) and a lower communicating tube plate (9) are arranged at the right side in the square shell (1), the upper communicating tube plate (8) is just opposite to the inlet tube plate (6), the lower communicating tube plate (9) is just opposite to the outlet tube plate (7), a plurality of upper heat exchange tubes (10) are arranged between the upper communicating tube plate (8) and the, the right sides of the upper communicating tube plate (8) and the lower communicating tube plate (9) are provided with communicating cavities (12), and the upper heat exchange tube (10) is provided with a plurality of sliding tube plates (13) at intervals.

2. The float tube heat exchanger of claim 1 wherein: the upper heat exchange tube (10) is connected with the inlet tube plate (6) in a welding mode, and the lower heat exchange tube (11) is connected with the outlet tube plate (7) in a welding mode.

3. The float tube heat exchanger of claim 1 wherein: the sliding tube plate (13) is parallel to the upper communicating tube plate (8).

4. The float tube heat exchanger of claim 1 wherein: the diameter of a hole in the sliding tube plate (13) is larger than that of the upper heat exchange tube (10), and the diameter of the hole in the upper communicating tube plate (8) is the same as that of the hole in the sliding tube plate (13).

5. The float tube heat exchanger of claim 1 wherein: the number of the upper heat exchange tubes (10) is the same as that of holes in the upper communicating tube plate (8), and the number of the lower heat exchange tubes (11) is the same as that of holes in the lower communicating tube plate (9).

6. The float tube heat exchanger of claim 1 wherein: the upper heat exchange tube (10) and the lower heat exchange tube (11) are parallel to each other.

7. The float tube heat exchanger of claim 1 wherein: the hot end inlet (4) is parallel to the lower heat exchanger (11), and the hot end outlet (5) is parallel to the upper heat exchanger (10).

8. The float tube heat exchanger of claim 1 wherein: the upper communicating tube plate (8) and the lower communicating tube plate (9) are double-layer tube plates, one side, away from the sliding tube plate (13), of the upper communicating tube plate (8) and the upper heat exchange tube (10) are connected, is sequentially provided with a retaining ring and a heat insulation rope, and one side, away from the cold end outlet (3), of the lower communicating tube plate (9) and the lower heat exchanger (11) are connected, is sequentially provided with a retaining ring and a heat insulation rope.

Technical Field

The invention relates to a floating pipe type heat exchanger, belonging to the technical field of high-temperature gas-gas heat exchangers.

Background

In the VOCs treatment technology, the flue gas temperature after VOCs gas is treated by adopting a high-temperature oxidation process reaches several hundred degrees, and for energy conservation, the heat of high-temperature flue gas is mostly recovered by adopting a heat exchanger, generally, a gas-gas heat exchanger is used more, but fixed modes are used at two ends of a heat exchange tube of the existing gas-gas heat exchanger, when the heat exchange is carried out at high temperature and uneven air flow, because the two ends of the heat exchange tube are fixed, the heat exchange tube is easily deformed and damaged, and the heat exchange efficiency is influenced.

Disclosure of Invention

The invention overcomes the defects of the prior art, and provides the floating tube type heat exchanger which has a simple structure, is convenient to maintain, can avoid deformation and damage of the heat exchange tube and can reduce energy consumption.

In order to solve the technical problems, the invention adopts the technical scheme that: floating tube type heat exchanger, including square casing, square casing left side upper portion is provided with the cold junction entry, the left side lower part is provided with the cold junction export, square casing bottom is provided with the hot junction entry, the top is provided with the hot junction export, the inside position that is close to the cold junction entry of square casing is provided with the entry tube sheet, be provided with the export tube sheet in the position that is close to the cold junction export, intercommunication tube sheet and lower intercommunication tube sheet are provided with on the inside right side of square casing, it is just right with the entry tube sheet to go up intercommunication tube sheet, it is just right with the export tube sheet to communicate the tube sheet down, it is provided with a plurality of heat exchange tubes down to go up to communicate between tube sheet and the entry tube sheet, it is provided with a plurality of lower heat exchange.

The upper heat exchange tube is connected with the inlet tube plate in a welding mode, and the lower heat exchange tube is connected with the outlet tube plate in a welding mode.

The sliding tube plate and the upper communicating tube plate are parallel to each other.

The diameter of the hole in the sliding tube plate is larger than that of the upper heat exchange tube, and the diameter of the hole in the upper communicating tube plate is the same as that of the hole in the sliding tube plate.

The upper heat exchange tubes are the same as the holes in the upper communicating tube plate in number, and the lower heat exchange tubes are the same as the holes in the lower communicating tube plate in number.

The upper heat exchange tube and the lower heat exchange tube are parallel to each other.

The hot end inlet is parallel to the lower heat exchanger, and the hot end outlet is parallel to the upper heat exchanger.

The upper communicating tube plate and the lower communicating tube plate are double-layer tube plates, one side, away from the sliding tube plate, of the connecting position of the upper communicating tube plate and the upper heat exchange tube is sequentially provided with a retaining ring and a heat insulation rope, and one side, away from the cold end outlet, of the connecting position of the lower communicating tube plate and the lower heat exchanger is sequentially provided with a retaining ring and a heat insulation rope.

Compared with the prior art, the invention has the following beneficial effects: the heat exchange tube and the sliding tube are in a certain gap with the communicating tube, can freely slide, one end of the heat exchange tube is fixed when the heat exchange tube is used, the other end of the heat exchange tube can slide, the heat exchange tube cannot be bent, deformed and damaged due to different expansion of each heat exchange tube caused by uneven air flow distribution or overhigh gas temperature, one or more tubes can be independently replaced during maintenance, and the heat exchange tube is convenient to maintain and simple to operate.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view a of fig. 1.

Fig. 3 is a partial enlarged view B of fig. 1.

Fig. 4 is a partial enlarged view C of bitmap 1.

In the figure, 1 is a square shell, 2 is a cold end inlet, 3 is a cold end outlet, 4 is a hot end inlet, 5 is a hot end outlet, 6 is an inlet tube plate, 7 is an outlet tube plate, 8 is an upper communicating tube plate, 9 is a lower communicating tube plate, 10 is an upper heat exchange tube, 11 is a lower heat exchange tube, 12 is a communicating cavity, and 13 is a sliding tube plate.

Detailed Description

As shown in fig. 1, 2, 3 and 4, the floating tube type heat exchanger of the invention comprises a square shell 1, a cold end inlet 2 is arranged at the upper part of the left side of the square shell 1, a cold end outlet 3 is arranged at the lower part of the left side, a hot end inlet 4 is arranged at the bottom of the square shell 1, a hot end outlet 5 is arranged at the top of the square shell, an inlet tube plate 6 is arranged in the square shell 1 at a position close to the cold end inlet 2, an outlet tube plate 7 is arranged at a position close to the cold end outlet 3, an upper communicating tube plate 8 and a lower communicating tube plate 9 are arranged at the right side in the square shell 1, the upper communicating tube plate 8 is opposite to the inlet tube plate 6, the lower communicating tube plate 9 is opposite to the outlet tube plate 7, a plurality of upper heat exchange tubes 10 are arranged between the upper communicating tube plate 8 and the inlet tube plate 6, a plurality of, the upper heat exchange tube 10 is provided with a plurality of sliding tube plates 13 at intervals, the upper heat exchange tube 10 is connected with the inlet tube plate 6 in a welding mode, the lower heat exchange tube 11 is connected with the outlet tube plate 7 in a welding mode, the sliding tube plates 13 are parallel to the upper communicating tube plate 8, the diameter of a hole in the sliding tube plate 13 is larger than that of the upper heat exchange tube 10, the diameter of a hole in the upper communicating tube plate 8 is the same as that of a hole in the sliding tube plate 13, the number of the upper heat exchange tubes 10 is the same as that of holes in the upper communicating tube plate 8, the number of the lower heat exchange tubes 11 is the same as that of holes in the lower communicating tube plate 9, the upper heat exchange tube 10 is parallel to the lower heat exchange tube 11, the hot end inlet 4 is parallel to the lower heat exchanger 11, the hot end outlet 5 is parallel to the upper heat exchanger 10, the upper communicating tube plate 8 and the lower communicating tube plate 9 are double-layer tube And the lower communicating tube plate 9 is connected with the lower heat exchanger 11, and a retainer ring and a heat insulation rope are sequentially arranged on one side away from the cold end outlet 3.

When the heat exchange tube is used, heat exchange cold air is introduced into the cold end inlet, heat exchange hot air is introduced into the hot end inlet, and high-temperature air exchanges heat with the cold air in the heat exchange tube.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.