CN219934726U - Tube plate type heat exchanger - Google Patents

Abstract

The utility model discloses a tube plate type heat exchanger, which belongs to the field of heat exchangers and comprises a heat exchanger shell, a front cover, side covers and a heat exchange core, wherein the heat exchange core is arranged inside the heat exchanger shell and comprises guide plate fixing screws, heat pipe guide plates A and heat pipe guide plates B, the heat pipe guide plates A and the heat pipe guide plates B are arranged in a staggered mode, the guide plate fixing screws penetrate through the heat pipe guide plates A and the heat pipe guide plates B, the heat pipe guide plates are welded on one side of a hot gas input tube, the heat pipe guide plates are arranged inside the heat exchanger shell in a staggered mode, the staggered heat pipe guide plates can guide normal-temperature gas input into the heat exchanger shell to circulate, the path of airflow is controlled, the airflow is guaranteed to fully contact the hot gas input tube, the heat exchange efficiency is improved, the whole heat exchange core of the scheme is of a detachable structure, the heat exchange core is also formed by installing independent components, the heat pipe guide plates and the hot gas input tube can be detached and overhauled, and the practicability is higher.

Description

Tube plate type heat exchanger

Technical Field

The utility model relates to the field of heat exchangers, in particular to a tube plate type heat exchanger.

Background

A heat exchanger (also known as a heat exchanger or heat exchange device) is a device for transferring heat from a hot fluid to a cold fluid to meet specified process requirements, and is an industrial application of convective heat transfer and thermal conduction.

The common heat exchanger is provided with a tubular heat exchanger, the inside of the heat exchanger is fully provided with a pipeline, the pipeline is used for inputting high-temperature gas, normal-temperature gas is input from one end of the heat exchanger and is contacted with the pipeline, and the pipeline is output from the other end, so that heat exchange is realized, such as a high-efficiency heat exchanger with the patent number of CN104390491A and a shell-and-tube heat exchanger with the patent number of CN103808174A, which are both heat exchangers of the type, but the heat exchanger of the type still has the following defects: the normal temperature gas is directly input from one end of the heat exchanger to the other end, and the flow path of the gas is irregular and cannot well contact the heat exchange tube, so that the heat exchange efficiency is poor; the pipeline is directly welded and fixed on the inner wall of the heat exchanger, so that the pipeline is inconvenient to disassemble and is troublesome to overhaul.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide a tube plate type heat exchanger, and the heat pipe guide plates which are arranged in a staggered way can guide and circulate normal-temperature gas which is input into the heat exchanger shell, control the path of the gas flow, ensure that the gas flow fully contacts with a hot gas input tube and improve the heat exchange efficiency.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a tube sheet type heat exchanger, includes heat exchanger casing, protecgulum, side cap and heat exchange core, the heat exchange core is installed inside the heat exchanger casing, and the heat exchange core includes deflector fixing screw, heat pipe deflector A and heat pipe deflector B crisscross the setting, deflector fixing screw runs through heat pipe deflector A and heat pipe deflector B, and deflector fixing screw and heat pipe deflector A are spacing fixed through the hex nut, deflector fixing screw and heat pipe deflector B are also spacing fixed through the hex nut.

Further, the side cover is fixed on one side of the heat exchanger shell through bolts, a normal-temperature gas vent pipe is arranged in the center of one side of the side cover, and a normal-temperature gas vent pipe is also arranged on the other side of the heat exchanger shell.

Further, one end of the guide plate fixing screw penetrates through the side cover, the guide plate fixing screw and the side cover are connected and fixed through the hexagonal nut, the other end of the guide plate fixing screw penetrates through the heat exchanger shell, and the guide plate fixing screw and the heat exchanger shell are connected and fixed through the hexagonal nut.

Furthermore, a hot gas input pipe A is welded on one side of the heat pipe guide plate A, and a hot gas input pipe B is welded on one side of the heat pipe guide plate B.

Further, the front cover is fixed on the front surface of the heat exchanger shell through bolt installation, through holes are formed in the front cover, two ends of the hot gas input pipe A or the hot gas input pipe B penetrate through the through holes in the front cover, and a communicating pipe is nested and installed between the hot gas input pipe A and the hot gas input pipe B.

Further, the upper surface and the bottom surface of the inner side of the heat exchanger shell are provided with limit rails, the bottom end of the heat pipe guide plate A is provided with grooves matched with the limit rails, and the top end of the heat pipe guide plate B is provided with grooves matched with the limit rails.

3. Advantageous effects

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

(1) According to the scheme, the heat pipe guide plates are welded on one side of the hot gas input pipe, the heat pipe guide plates are arranged inside the heat exchanger shell in a staggered mode, normal-temperature gas in the heat exchanger shell can be guided to circulate through the heat pipe guide plates in the staggered mode, the path of the gas flow is controlled, the gas flow is guaranteed to be fully contacted with the hot gas input pipe, and the heat exchange efficiency is improved.

(2) The heat exchange core of this scheme is wholly for detachable structure, and the heat exchange core also comprises independent subassembly installation, and the equal detachable maintenance of heat pipe deflector and steam input tube, the practicality is stronger.

Drawings

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

fig. 2 is a schematic perspective view of the communication pipe of the present utility model after the communication pipe is removed;

fig. 3 is a schematic perspective view of the front cover and the side cover of the present utility model after being removed;

FIG. 4 is a schematic perspective view of a heat exchange core according to the present utility model;

FIG. 5 is a schematic perspective view of a heat exchanger shell according to the present utility model;

FIG. 6 is a schematic view of a three-dimensional explosion structure of a fixing mode of a heat pipe guide plate A according to the present utility model;

FIG. 7 is a schematic perspective view of a heat pipe guide plate B according to the present utility model;

FIG. 8 is a schematic perspective view of a front cover according to the present utility model;

fig. 9 is a schematic perspective view of a side cover according to the present utility model.

The reference numerals in the figures illustrate:

101. a heat exchanger housing; 102. a front cover; 103. a side cover; 131. a normal temperature gas vent pipe; 104. a heat exchange core; 141. the guide plate fixes the screw rod; 142. a hot gas input pipe A; 143. a hot gas input pipe B; 144. a heat pipe guide plate A; 145. a heat pipe guide plate B; 105. and communicating pipe.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Referring to fig. 1-9, a tube-sheet heat exchanger includes a heat exchanger housing 101, a front cover 102, a side cover 103 and a heat exchange core 104, wherein the heat exchange core 104 is installed inside the heat exchanger housing 101, and the heat exchange core 104 includes a guide plate fixing screw 141, a heat pipe guide plate a144 and a heat pipe guide plate B145, the heat pipe guide plate a144 and the heat pipe guide plate B145 are staggered, the guide plate fixing screw 141 penetrates the heat pipe guide plate a144 and the heat pipe guide plate B145, and the guide plate fixing screw 141 and the heat pipe guide plate a144 are fixed by a hexagonal nut, and the guide plate fixing screw 141 and the heat pipe guide plate B145 are also fixed by a hexagonal nut, so that the arrangement ensures that the interval between the heat pipe guide plate a144 and the heat pipe guide plate B145 is consistent, and the position is kept unchanged.

Referring to fig. 1, the side cover 103 is fixed on one side of the heat exchanger housing 101 by a bolt, and a normal temperature gas vent pipe 131 is provided at the center of one side of the side cover 103, and a normal temperature gas vent pipe 131 is also provided at the other side of the heat exchanger housing 101, so that smooth circulation of normal temperature gas input into the heat exchanger housing 101 is ensured.

Referring to fig. 1 to 3, one end of the guide plate fixing screw 141 penetrates the side cover 103, and the guide plate fixing screw 141 and the side cover 103 are connected and fixed through a hexagonal nut, the other end of the guide plate fixing screw 141 penetrates the heat exchanger housing 101, and the guide plate fixing screw 141 and the heat exchanger housing 101 are also connected and fixed through a hexagonal nut, so that the heat exchange core 104 is stably fixed inside the heat exchanger housing 101.

Referring to fig. 4, a hot gas input pipe a142 is welded to one side of a heat pipe guide plate a144, and a hot gas input pipe B143 is welded to one side of a heat pipe guide plate B145, so that the arrangement is convenient for guiding gas and transferring heat energy into the heat pipe guide plate a144 or the heat pipe guide plate B145.

Referring to fig. 1 and 2, the front cover 102 is fixed to the front surface of the heat exchanger case 101 by bolting, and a through hole is formed in the front cover 102, two ends of the hot gas input pipe a142 or the hot gas input pipe B143 penetrate through the through hole in the front cover 102, and a communication pipe 105 is installed between the hot gas input pipe a142 and the hot gas input pipe B143 in a nested manner, so that the arrangement is convenient for circulating hot air.

Referring to fig. 4 and 5, the upper surface and the bottom surface of the inner side of the heat exchanger housing 101 are provided with a limit rail, the bottom end of the heat pipe guide plate a144 is provided with a groove adapted to the limit rail, the top end of the heat pipe guide plate B145 is provided with a groove adapted to the limit rail, and thus the heat pipe guide plate B145 or the heat pipe guide plate a144 is supported better to prevent tilting.

When in use: firstly, the utility model is assembled with reference to fig. 1-9, the assembly is completed, as shown in fig. 1, then normal temperature gas to be heated is input into the heat exchanger shell 101 through the normal temperature gas vent pipe 131, high temperature gas is introduced into the hot gas input pipe A142, after the gas enters the hot gas input pipe A142, the temperature of the hot gas input pipe A142 is increased, the heat pipe guide plate A144 is also heated, then the gas enters the hot gas input pipe B143 through the communicating pipe 105, after the gas enters the hot gas input pipe B143, the temperature of the hot gas input pipe B143 is increased, the heat pipe guide plate B145 is also heated, therefore, the whole temperature of the heat exchange core 104 is increased, and the heat exchange core 104 with the temperature increased heats the normal temperature gas flowing through the inside, so that heat exchange is realized.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a tube sheet type heat exchanger, includes heat exchanger casing (101), protecgulum (102), side cap (103) and heat exchange core (104), its characterized in that: the heat exchange core (104) is installed inside the heat exchanger shell (101), and the heat exchange core (104) comprises a guide plate fixing screw (141), a heat pipe guide plate A (144) and a heat pipe guide plate B (145), the heat pipe guide plate A (144) and the heat pipe guide plate B (145) are arranged in a staggered mode, the guide plate fixing screw (141) penetrates through the heat pipe guide plate A (144) and the heat pipe guide plate B (145), the guide plate fixing screw (141) and the heat pipe guide plate A (144) are fixed through a hexagonal nut in a limiting mode, and the guide plate fixing screw (141) and the heat pipe guide plate B (145) are also fixed through the hexagonal nut in a limiting mode.

2. A tube sheet heat exchanger as set forth in claim 1 wherein: the side cover (103) is fixed on one side of the heat exchanger shell (101) through bolts, a normal-temperature gas vent pipe (131) is arranged in the center of one side of the side cover (103), and the normal-temperature gas vent pipe (131) is also arranged on the other side of the heat exchanger shell (101).

3. A tube sheet heat exchanger as set forth in claim 1 wherein: one end of the guide plate fixing screw rod (141) penetrates through the side cover (103), the guide plate fixing screw rod (141) and the side cover (103) are connected and fixed through a hexagonal nut, the other end of the guide plate fixing screw rod (141) penetrates through the heat exchanger shell (101), and the guide plate fixing screw rod (141) and the heat exchanger shell (101) are connected and fixed through the hexagonal nut.

4. A tube sheet heat exchanger as set forth in claim 1 wherein: one side of the heat pipe guide plate A (144) is welded with a hot gas input pipe A (142), and one side of the heat pipe guide plate B (145) is welded with a hot gas input pipe B (143).

5. A tube sheet heat exchanger as set forth in claim 4 wherein: the front cover (102) is fixedly arranged on the front surface of the heat exchanger shell (101) through bolts, through holes are formed in the front cover (102), two ends of the hot gas input pipe A (142) or the hot gas input pipe B (143) penetrate through the through holes in the front cover (102), and communicating pipes (105) are nested and arranged between the hot gas input pipe A (142) and the hot gas input pipe B (143).

6. A tube sheet heat exchanger as set forth in claim 1 wherein: the heat exchanger is characterized in that limit rails are arranged on the upper surface and the bottom surface of the inner side of the heat exchanger shell (101), grooves matched with the limit rails are formed in the bottom end of the heat pipe guide plate A (144), and grooves matched with the limit rails are formed in the top end of the heat pipe guide plate B (145).