CN212006844U

CN212006844U - Water-water heat exchanger with external flow guide and deflection rod

Info

Publication number: CN212006844U
Application number: CN201922403195.5U
Authority: CN
Inventors: 潘志健; 李冬; 卢策
Original assignee: Shandong Jinzeer Cooling And Heating Equipment Co ltd
Current assignee: Shandong Jinzeer Cooling And Heating Equipment Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-11-24
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to an outer water conservancy diversion baffling pole water-water heat exchanger, which comprises a housin, be provided with the tube bank in the casing, the casing both ends are provided with mouth of pipe process and mouth of pipe journey respectively, the mouth of pipe process is provided with the process interface, mouth of pipe journey is provided with the journey interface, be provided with casing import and casing export on the casing, casing import department is provided with first outer draft tube, casing exit is provided with the outer draft tube of second, first outer draft tube with the outer draft tube structure of second is unanimous, be provided with first baffling pole and second baffling pole in the tube bank.

Description

Water-water heat exchanger with external flow guide and deflection rod

Technical Field

The utility model belongs to the technical field of the heat exchanger technique and specifically relates to an outer water conservancy diversion baffling rod water heat exchanger.

Background

The rod baffle is a new type of shell-and-tube heat exchanger. The shell pass replaces the traditional bow-shaped baffle structure with a rod structure on the baffle ring, and the four baffle rings are in a group, so that each heat exchange tube is supported and fixed by the baffle rod in four directions, and the shell pass fluid is changed from transverse flow to parallel flow. The structure greatly improves the heat transfer efficiency, reduces the fluid flow resistance, eliminates the transverse flow of the shell pass, and effectively overcomes the vibration of the tube bundle. The rod baffle heat exchanger can be widely applied to the industries of petrochemical industry, chemical fertilizer, oil refining, electric power, metallurgy and the like, and can be combined with reinforced heat exchange tubes such as smooth heat exchange tubes, corrugated tubes, low finned tubes and the like to finish the condensation process of gas-gas, gas-liquid, liquid-liquid and gas phase.

The traditional baffling rod heat exchanger lacks a fluid buffering measure for entering a heat exchange inlet, and easily causes impact shaking of fluid on a heat exchange tube bundle and the baffling rod, so that the heat exchanger is deformed, and the heat exchanger breaks down. In addition, because the edge of the flow guide inner cylinder is straight, the flow velocity of the shell side fluid entering the heat exchange tube is uneven, impact is generated on the heat exchange tube, and the heat exchange effect is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in view of the shortcomings of the prior art, the present invention provides an external flow guiding rod baffle water-water heat exchanger to achieve the above problems,

the utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an outer water conservancy diversion baffling rod water heat exchanger, includes the casing, be provided with the tube bank in the casing, the casing both ends are provided with mouth of pipe process and mouth of pipe process respectively, the mouth of pipe process is provided with the process interface, be provided with casing import and casing export on the casing, casing import department is provided with first outer draft tube, casing exit is provided with the outer draft tube of second, first outer draft tube with the outer draft tube structure of second is unanimous, be provided with first baffling rod and second baffling rod in the tube bank.

Further optimally, half-wave expansion joints are arranged between the pipe orifice process and the process interface as well as between the pipe orifice outlet process and the outlet process interface.

Preferably, the first baffle rod and the second baffle rod are provided with pull rods and nuts.

Further optimally, the first outer guide cylinder comprises an outer cylinder, a feeding and discharging connecting pipe is arranged at the upper end of the outer cylinder, an inner lining cylinder is arranged at the lower end of the outer cylinder, a ring plate is arranged on the outer side of the outer cylinder, and a guide notch is formed in the inner lining cylinder.

Further optimally, a purge port is arranged at the lowest part of the lining cylinder.

The utility model has the advantages that:

the defect that the fluid on the shell side directly and transversely impacts the heat exchange tube at the inlet and the outlet of the shell pass can be thoroughly avoided, so that the fluid uniformly enters the heat exchange tube at the inlet and the outlet of the inner guide cylinder in the circumferential direction, the flow velocity of the fluid entering the heat exchange tube is uniform, and the heat exchange effect is greatly improved; the improved baffle rod overcomes the defects of the prior art, the elasticity of the baffle rod is good, the heat exchange tube is elastically supported, the vibration of the heat exchange tube is better prevented, the deformation can not be generated, the heat exchange tube is accurately positioned without the damage of friction and collision, the production efficiency is improved, and the like.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the outer draft tube of the present invention;

in the figure, 1, a process interface, 2, a half-wave expansion joint, 3, a nozzle process, 4, a shell inlet, 5, a first outer guide cylinder, 51, an inner lining cylinder, 52, an annular plate, 53, a feeding and discharging connecting pipe, 54, an outer cylinder, 6, a shell, 7, a pipe bundle, 8, a first baffle rod, 9, a second baffle rod, 10, a shell outlet, 11, a second outer guide cylinder, 12, a nozzle outlet and 13, an outlet interface are shown.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Wherein like reference numerals refer to like parts throughout.

In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific instances, and furthermore, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, an outer water conservancy diversion baffling rod water heat exchanger, including casing 6, be provided with tube bank 7 in the

casing

6, 6 both ends of casing are provided with mouth of pipe process 3 and mouth of pipe process 12 respectively, mouth of pipe process 31 is provided with the process interface, mouth of pipe process 12 is provided with outlet interface 13, be provided with casing import 4 and casing export 10 on the casing 6, casing import 4 department is provided with first outer draft tube 5, casing export 10 department is provided with the outer draft tube 11 of second, first outer draft tube 5 with draft tube 11 structure is unanimous outside the second, be provided with first baffling rod 8 and second baffling rod 9 in the tube bank 7.

In this embodiment, in order to reduce thermal stress, half-wave expansion joints 2 are arranged between the pipe orifice process 3 and the process interface 1, and between the pipe orifice outlet 12 and the outlet interface 13, so that the requirement of the flow area of the steam inlet is met, and the expansion difference stress between the pipe bundle and the shell is eliminated.

In the present embodiment, the first rod baffle 8 and the second rod baffle 9 are provided with tie rods and nuts (not shown in the figures). The first and second baffle bars 8 and 9 are convenient to adjust through nuts of the arranged pull rods.

As shown in fig. 2, the first outer draft tube 5 includes an outer tube 54, a material inlet and outlet connecting tube 53 is disposed at an upper end of the outer tube 54, an inner liner 51 is disposed at a lower end of the outer tube 54, a ring plate 52 is disposed outside the outer tube 54, and a flow guide notch is disposed on the inner liner 51.

In this embodiment, the lowest part of the liner 51 is provided with a purge port. So as to prevent the effusion and facilitate the timely discharge of the effusion.

The present invention is not detailed in the prior art.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an outer water conservancy diversion baffling rod water heat exchanger, includes the casing, its characterized in that: be provided with the tube bank in the casing, the casing both ends are provided with mouth of pipe process and mouth of pipe process respectively, the mouth of pipe process is provided with the process interface, be provided with casing import and casing export on the casing, casing import department is provided with first outer draft tube, casing exit is provided with the outer draft tube of second, first outer draft tube with the outer draft tube structure of second is unanimous, be provided with first baffling pole and second baffling pole in the tube bank.

2. The water-water heat exchanger with external flow guiding and deflecting rod as claimed in claim 1, wherein: and half-wave expansion joints are arranged between the pipe orifice process and the process interface and between the pipe orifice outlet process and the outlet interface.

3. The water-water heat exchanger with external flow guiding and deflecting rod as claimed in claim 1, wherein: and pull rods and nuts are arranged on the first baffling rod and the second baffling rod.

4. The water-water heat exchanger with external flow guiding and deflecting rod as claimed in claim 1, wherein: the first outer guide cylinder comprises an outer cylinder, a feeding and discharging connecting pipe is arranged at the upper end of the outer cylinder, an inner lining cylinder is arranged at the lower end of the outer cylinder, an annular plate is arranged on the outer side of the outer cylinder, and a guide notch is formed in the inner lining cylinder.

5. The water-water heat exchanger with external flow guiding and deflecting rod as claimed in claim 4, wherein: the lowest part of the lining cylinder is provided with a clean discharge port.