CN210602913U

CN210602913U - Shell pass baffling heat exchanger

Info

Publication number: CN210602913U
Application number: CN201921389750.7U
Authority: CN
Inventors: 吴波; 于静; 王敬先
Original assignee: Jinan Pressure Vessel Factory
Current assignee: Jinan Pressure Vessel Factory
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-22
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a shell side baffling heat exchanger in the technical field of heat exchangers, which comprises a shell and a plurality of groups of heat exchange tubes, wherein the top of the shell is fixedly provided with a shell side fluid inlet and a shell side fluid outlet, tube side fluid flows in the heat exchange tubes, two ends of the shell are respectively and fixedly provided with a shunt box, the shunt box is provided with an inner cavity, two ends of each heat exchange tube are respectively communicated with the inner cavity, the outer wall of the shunt box is provided with a tube side fluid inlet and outlet, the inner cavity of the shell is longitudinally and fixedly provided with a plurality of groups of plug boards, each plug board comprises a central fixed plate and an edge plate, the heat exchange tubes are plugged on the central fixed plate, the outer wall of the edge plate is provided with an arc groove, and the side wall of the arc groove is fixedly provided with a support rod. The heat exchange time is prolonged, and the waste of resources is reduced.

Description

Shell pass baffling heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field specifically is a shell side baffling formula heat exchanger.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger. The heat exchanger is a common device in chemical industry, petroleum industry, power industry, food industry and other industrial departments, and plays an important role in production. The heat exchanger can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical production, and is more widely applied.

At present, the most applied heat exchangers are shell-and-tube heat exchangers, fluid A and fluid B exchange heat in the shell-and-tube heat exchanger, the fluid B flows in a tube, and the stroke of the fluid B is called as a tube pass; fluid a flows outside the tubes and its stroke is called the shell side. The wall surface of the tube bundle is a heat transfer surface, heat conduction through the wall surface and convection of fluid on the wall surface are realized, and heat exchange is carried out between the fluid A and the fluid B. However, the shell-side fluid of the existing shell-and-tube heat exchanger has a high flow speed, and in the working process of the shell-side fluid, the fluid which just enters the shell-side fluid does not perform sufficient heat exchange reaction and flows out from the outlet of the device, so that the resource waste is caused.

Based on this, the utility model designs a shell side baffling formula heat exchanger to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell side baffling heat exchanger to the shell side fluid flow speed of the current shell and tube type heat exchanger who proposes in solving above-mentioned background art is fast, and in the work of shell side fluid, the fluid in the shell side stroke that just got into does not carry out abundant heat exchange reaction, just flows from the device export, causes the problem of wasting of resources.

In order to achieve the above object, the utility model provides a following technical scheme: a shell side baffling type heat exchanger comprises a shell and a plurality of groups of heat exchange tubes, wherein a shell side fluid inlet and a shell side fluid outlet are fixedly arranged at the top of the shell, tube side fluid flows in the heat exchange tubes, flow dividing boxes are fixedly arranged at the two ends of the shell respectively and are provided with inner cavities, the two ends of each heat exchange tube are communicated with the inner cavities respectively, tube side fluid inlets and outlets are formed in the outer walls of the flow dividing boxes, a plurality of groups of plug boards are longitudinally and fixedly arranged in the inner cavities of the shell, each plug board comprises a central fixing plate and an edge plate, the heat exchange tubes are plugged in the central fixing plates, the outer walls of the edge plates are provided with arc-shaped grooves, supporting rods are fixedly arranged on the side walls of the arc-shaped grooves, end plates are fixedly arranged at the tops of the supporting rods, the sliding plate is in sliding fit with the arc-shaped groove.

Preferably, the outer wall of the supporting rod is fixedly provided with a sliding plate limiting plate, and the sliding plate limiting plate is attached to the edge plate.

Preferably, the bottom fixed mounting of casing has two sets of supporting seats, be provided with the connecting plate between supporting seat and the flow distribution box, the supporting seat passes through connecting plate and flow distribution box fixed connection.

Preferably, the shell-side fluid inlet injects a cooling fluid.

Preferably, two adjacent groups of the arc-shaped grooves are oppositely arranged.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a setting of tube side fluid access & exit and heat exchange tube makes the tube side fluid let in the device, through the setting of shell side fluid entry and shell side fluid export, make the shell side fluid let in the device, when the shell side fluid just led in, the shell side fluid passes through and gets into from shell side fluid entry, be divided into a plurality of groups of closed rooms by central fixed plate and marginal board in the casing, when single closed indoor pressure is less under the initial condition, the closed room constantly pours into the shell side fluid into, when the closed indoor pressure reaches a definite value, the extrusion sliding plate, overcome the effort of spring, get into next group of closed room, repeat above action, realize the process that a closed room worked in proper order, increased the contact time with the tube side fluid, set up through two sets of adjacent arc wall opposition, make the route of shell side fluid increase greatly, the time of heat exchange prolongs, the waste of resources is reduced.

Drawings

Fig. 1 is a schematic view of the main view structure of the present invention;

fig. 2 is a schematic structural view of a first cut-off angle of the present invention;

fig. 3 is a schematic structural view of a second cut-off angle of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 3 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a shell 1, a shell 2, a shell side fluid inlet, a shell side fluid outlet 3, a support seat 4, a flow distribution box 5, a tube side fluid inlet and outlet 6, an inner cavity 7, a heat exchange tube 8, a central fixing plate 9, an edge plate 10, an arc-shaped groove 11, a sliding plate 12, a supporting rod 13, an end plate 14, a spring 15 and a sliding plate limiting plate 16.

Detailed Description

Referring to fig. 1-4, the present invention provides a technical solution: a shell side baffling type heat exchanger comprises a shell 1 and a plurality of groups of heat exchange pipes 8, wherein a shell side fluid inlet 2 and a shell side fluid outlet 3 are fixedly installed at the top of the shell 1, a tube side fluid flows in the heat exchange pipes 8, flow dividing boxes 5 are respectively and fixedly installed at two ends of the shell 1, each flow dividing box 5 is provided with an inner cavity 7, two ends of each heat exchange pipe 8 are respectively communicated with the inner cavities, a tube side fluid inlet and outlet 6 is formed in the outer wall of each flow dividing box 5, a plurality of groups of inserting plates are longitudinally and fixedly installed in the inner cavity of the shell 1, each inserting plate comprises a central fixing plate 9 and an edge plate 10, the heat exchange pipes 8 are inserted into the central fixing plates 9, the outer walls of the edge plates 10 are provided with arc-shaped grooves 11, supporting rods 13 are fixedly installed on the side walls of the arc-shaped grooves 11, the sliding plate 12 is in sliding engagement with the arcuate slot 11.

Wherein, the outer wall fixed mounting of bracing piece 13 has sliding plate limiting plate 16, sliding plate limiting plate 16 and the laminating of edge board 10, through sliding plate limiting plate 16's setting, be convenient for with sliding plate 12 spacing, the bottom fixed mounting of casing 1 has two sets of supporting seats 4, be provided with the connecting plate between supporting seat 4 and the flow distribution box 5, supporting seat 4 passes through connecting plate and flow distribution box 5 fixed connection, the cooling liquid is poured into to shell side fluid entry 2, two sets of adjacent arc wall 11 opposites the setting.

One specific application of this embodiment is: the utility model discloses a setting of tube side fluid access & exit 6 and heat exchange tube 8 makes the tube side fluid let in the device, through the setting of shell side fluid entry 2 and shell side fluid export 3, make the shell side fluid let in the device, when the shell side fluid just lets in, the shell side fluid is through getting into from shell side fluid entry 2, divide into a plurality of groups of closed chambers by central fixed plate 9 and marginal plate 10 in the casing 1, when single closed chamber internal pressure is less under the initial condition, the closed chamber constantly pours into the shell side fluid into, when the closed chamber internal pressure reaches a definite value, extrude sliding plate 12, overcome the effort of spring 15, get into next group of closed chamber, repeat above action, realize the process that a closed chamber worked in proper order, increased with the contact time of tube side fluid, through two sets of adjacent arc wall 11 opposition settings, make the passageway of shell side fluid increase greatly, the heat exchange time is prolonged, and the waste of resources is reduced.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a shell side baffling formula heat exchanger, includes casing (1) and a plurality of group heat exchange tube (8), its characterized in that: the heat exchanger is characterized in that a shell side fluid inlet (2) and a shell side fluid outlet (3) are fixedly mounted at the top of the shell (1), a tube side fluid flows in the heat exchange tube (8), two ends of the shell (1) are respectively and fixedly mounted with a flow distribution box (5), the flow distribution box (5) is provided with an inner cavity (7), two ends of the heat exchange tube (8) are respectively communicated with the inner cavity, a tube side fluid inlet and outlet (6) is formed in the outer wall of the flow distribution box (5), a plurality of groups of insertion plates are longitudinally and fixedly mounted in the inner cavity of the shell (1), each insertion plate comprises a central fixing plate (9) and an edge plate (10), the heat exchange tube (8) is inserted into the central fixing plate (9), an arc-shaped groove (11) is formed in the outer wall of the edge plate (10), a support rod (13) is fixedly mounted on the side wall of the arc-, a spring (15) is fixedly mounted on the outer wall of the other end of the end plate (14), a sliding plate (12) is fixedly mounted on the other end of the spring (15), and the sliding plate (12) is in sliding fit with the arc-shaped groove (11).

2. The shell-side baffled heat exchanger of claim 1, wherein: the outer wall of the supporting rod (13) is fixedly provided with a sliding plate limiting plate (16), and the sliding plate limiting plate (16) is attached to the edge plate (10).

3. The shell-side baffled heat exchanger of claim 1, wherein: the bottom fixed mounting of casing (1) has two sets of supporting seats (4), be provided with the connecting plate between supporting seat (4) and flow distribution box (5), supporting seat (4) are through connecting plate and flow distribution box (5) fixed connection.

4. The shell-side baffled heat exchanger of claim 1, wherein: the shell side fluid inlet (2) is used for injecting cooling liquid.

5. The shell-side baffled heat exchanger of any one of claims 1-4, wherein: two groups of adjacent arc-shaped grooves (11) are oppositely arranged.