CN218686355U

CN218686355U - Central circulation tubular evaporator for strengthening and fixing pipeline

Info

Publication number: CN218686355U
Application number: CN202222658158.0U
Authority: CN
Inventors: 胡涛
Original assignee: Hubei Jiejing Machinery Equipment Co ltd
Current assignee: Hubei Jiejing Machinery Equipment Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-24
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a central circulating tube evaporator for strengthening and fixing pipelines, include: the device comprises a barrel, wherein a central circulating pipe is arranged on the axis of the barrel in a superposed manner, a boiling pipe is arranged on the periphery of the central circulating pipe, a waste water inlet pipe is arranged on the barrel, and a mounting plate is inserted on the waste water inlet pipe. The boiling tube of the utility model strengthens the heat exchange of the fluid in the central area of the boiling tube by the arrangement of the convex ribs and the flow disturbing blocks, and improves the heat transfer coefficient of convection; the filtering of the filter screen, the convex ribs and the turbulence blocks improve the diffusion capacity of the fluid, so that the blockage inside the evaporator can be avoided; meanwhile, the filter screen can be replaced to clean the filter screen only by moving the mounting plate up and down.

Description

Central circulation tubular evaporator for strengthening and fixing pipeline

Technical Field

The utility model relates to an evaporimeter technical field specifically is a central authorities' circulation tubular evaporator of reinforceing fixedly to pipeline.

Background

The central circulation pipe type evaporator belongs to a natural circulation type evaporator. It is a large evaporator widely used in industrial production and has a long history, and is still widely used in chemical industry, light industry, environmental protection and other industries. The central circulating tube evaporator is developed from horizontal heating chamber and coil heating chamber evaporator, and compared with these old-fashioned evaporators, it possesses the advantages of good solution circulation and quick heat-transfer rate, at the same time, because of compact structure, convenient manufacture and extensive application, it is called "standard evaporator".

However, in the existing central circulation tubular evaporator, because the solution is continuously circulated, in the heat exchange process of hot steam and cold water, the heat exchange is slow, the heat exchange is insufficient, and the sufficient heat exchange needs a longer pipeline; and the solution in the heating pipe is always close to the concentration of the finished solution, so the solution has large viscosity, high boiling point, reduced effective temperature difference, low heat transfer coefficient of convection boiling and easy scaling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a central authorities' circulation tubular evaporator of strengthening fixedly to the pipeline to solve the poor problem of heat transfer effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: a central loop tube evaporator with enhanced retention of tubes comprising: the device comprises a barrel, wherein a central circulating pipe is arranged on the axis of the barrel in a superposed manner, a boiling pipe is arranged on the periphery of the central circulating pipe, a waste water inlet pipe is arranged on the barrel, and a mounting plate is inserted on the waste water inlet pipe.

The inner wall of the boiling tube is symmetrically provided with convex ribs which are deep into the central area of the boiling tube, so that the heat transfer area of the boiling tube is increased through the shape characteristics of the convex ribs, the heat exchange of fluid in the central area of the boiling tube is enhanced, the solution flows under the natural convection condition to enable the concentration and viscosity distribution of the solution in the boiling tube to be more uniform, the convection heat transfer coefficient and the convection diffusion capability of the fluid in the boiling tube are obviously improved, and the scaling is not easy to occur.

Preferably, the inner wall of the boiling tube is symmetrically provided with turbulence blocks, the turbulence blocks are provided with flow guide holes, and the arrangement of the turbulence blocks and the turbulence holes enables the wall fluid close to the inner wall of the boiling tube to generate periodic disturbance, so that the convection heat transfer coefficient at low flow speed is improved.

Preferably, a sealing socket is arranged on the wastewater inlet pipe, a mounting plate is inserted into the inner side of the sealing socket, and the mounting plate moves up and down to replace the filter screen.

Preferably, the symmetry is provided with the filter screen on the mounting panel, and the quantity of filter screen is individual, can change the filter screen through reciprocating and filter, shifts out the waste water feed liquor pipe with the filter screen that needs the clearance and clears up.

Preferably, the sealing rings are symmetrically arranged on the inner wall of the sealing socket and connected with the mounting plate, the joint of the mounting plate and the sealing socket is sealed through the sealing rings, and meanwhile, the mounting plate is prevented from moving on the inner side of the sealing socket through the friction force of the sealing rings.

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

1. the utility model discloses the boiling tube has strengthened the fluidic heat transfer in boiling tube center through setting up of fin and turbulent flow piece, has improved the heat transfer coefficient of convection current.

2. The utility model improves the fluid diffusion capacity by filtering with the filter screen and the convex ribs and the turbulence blocks, and can avoid the blockage inside the evaporator; meanwhile, the filter screen can be replaced to clean the filter screen only by moving the mounting plate up and down.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the wastewater inlet pipe of the present invention;

FIG. 3 is a cross-sectional view of the boiling tube of the present invention;

FIG. 4 is a sectional view of the boiling tube of the present invention;

in the figure: 1 cylinder, 2 central circulating pipes, 3 boiling pipes, 31 convex ribs, 32 turbulence blocks, 33 diversion holes, 4 wastewater inlet pipes, 41 sealing sockets, 42 sealing rings, 5 mounting plates and 51 filter screens.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, 3 and 4, a central circulation tube evaporator for enhanced fixing of pipes is shown, which comprises: barrel 1, barrel 1 axis coincidence are provided with central circulating pipe 2, and central circulating pipe 2's a week is provided with boiling pipe 3, is provided with waste water feed liquor pipe 4 on the barrel 1, and it has mounting panel 5 to peg graft on waste water feed liquor pipe 4.

The inner wall of the boiling tube 3 is symmetrically provided with convex ribs 31, the convex ribs 31 are deep into the central area of the boiling tube 3, the heat transfer area of the boiling tube 3 is increased through the shape characteristics, the heat exchange of fluid in the central area of the boiling tube 3 is enhanced, the fluid flows under the natural convection condition, the concentration and the viscosity distribution of the solution in the boiling tube 3 are more uniform, and the convection heat transfer coefficient of the fluid in the boiling tube is obviously improved.

The inner wall of the boiling tube 3 is symmetrically provided with the flow disturbing blocks 32, the flow disturbing blocks 32 are provided with flow guiding holes 33, and the arrangement of the flow disturbing blocks 32 and the flow disturbing holes 33 enables wall fluid close to the inner wall of the boiling tube 3 to generate periodic disturbance, so that the convection heat transfer coefficient at low flow speed is improved.

When this evaporimeter used: the arrangement of the convex ribs 31 and the flow disturbing blocks 32 of the boiling pipe 3 increases the heat transfer area of the boiling pipe 3, strengthens the heat exchange of the fluid in the central area of the boiling pipe 3, and improves the convection heat exchange coefficient by periodically disturbing the flowing wall fluid under the natural convection condition.

Example 2

Referring to fig. 1, 2 and 3, this embodiment further illustrates an embodiment 1, in which a central circulation tube evaporator for enhanced fixing of a pipe comprises: barrel 1, barrel 1 axis coincidence are provided with central circulating pipe 2, and central circulating pipe 2's a week is provided with boiling pipe 3, is provided with waste water feed liquor pipe 4 on the barrel 1, and it has mounting panel 5 to peg graft on waste water feed liquor pipe 4.

The ribs 31 are symmetrically arranged on the inner wall of the boiling pipe 3, the ribs 31 are deep into the central area of the boiling pipe 3, the heat transfer area of the boiling pipe 3 is increased through the shape characteristics of the ribs, the heat exchange of fluid in the central area of the boiling pipe 3 is enhanced, the solution in the boiling pipe 3 flows under the natural convection condition, the concentration and the viscosity distribution are more uniform, the diffusion capacity of the fluid in the boiling pipe is obviously improved, and the scaling is not easy to occur.

A sealing socket 41 is arranged on the waste water inlet pipe 4, a mounting plate 5 is inserted into the inner side of the sealing socket 41, and the mounting plate 5 moves up and down to replace a filter screen 51.

The symmetry is provided with filter screen 51 on the mounting panel 5, and filter screen 51's quantity is 3, can change filter screen 51 through reciprocating and filter, and the filter screen 51 that will clear up shifts out waste water feed liquor pipe 4 and clears up.

The sealing rings 42 are symmetrically arranged on the inner wall of the sealing insertion opening 41, the sealing rings 42 are connected with the mounting plate 5, the joint of the mounting plate 5 and the sealing insertion opening 41 is sealed through the sealing rings 42, and meanwhile, the mounting plate 5 is prevented from moving inside the sealing insertion opening 41 through the friction force of the sealing rings 42.

In the embodiment, the waste liquid is filtered by the filter screen 51 when entering the cylinder 1 through the waste water inlet pipe 4, and then the convection diffusion capability of the fluid in the central area of the boiling pipe 3 is enhanced by the convex ribs 31 and the turbulence blocks 32 when the solution flows in the boiling pipe 3, so that the inside of the boiling pipe 3 is not easy to scale, and the internal blockage of the evaporator is avoided; when the filter screen 51 needs to be cleaned, the mounting plate 5 is moved up and down, and the filter screen 51 which needs to be cleaned can be moved out of the waste water inlet pipe 4 for cleaning.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A central loop tube evaporator with enhanced retention of tubing comprising:

the device comprises a barrel body (1), wherein a central circulation pipe (2) is arranged on the axis of the barrel body (1) in a coincident mode, a boiling pipe (3) is arranged on the periphery of the central circulation pipe (2), a wastewater inlet pipe (4) is arranged on the barrel body (1), and a mounting plate (5) is inserted into the wastewater inlet pipe (4).

2. A tube-in-tube evaporator of claim 1 wherein the evaporator further comprises: the inner wall of the boiling pipe (3) is symmetrically provided with convex ribs (31).

3. A tube-in-tube evaporator of claim 1 wherein the evaporator further comprises: the inner wall of the boiling pipe (3) is symmetrically provided with a spoiler (32), and the spoiler (32) is provided with a flow guide hole (33).

4. A tube-in-tube evaporator of claim 1 wherein the evaporator further comprises: a sealing socket (41) is arranged on the waste water inlet pipe (4), and a mounting plate (5) is inserted into the inner side of the sealing socket (41).

5. A tube-in-tube evaporator of claim 1 wherein the evaporator further comprises: the mounting plate (5) is symmetrically provided with filter screens (51).

6. A tube-in-tube evaporator of claim 4 wherein: and sealing rings (42) are symmetrically arranged on the inner wall of the sealing socket (41), and the sealing rings (42) are connected with the mounting plate (5).