CN212631746U

CN212631746U - Reboiler of desolventizing tower

Info

Publication number: CN212631746U
Application number: CN202020863176.0U
Authority: CN
Inventors: 王潇潇; 刘璞; 邹树叶; 刘卫
Original assignee: Hunan Xunke Xuguang Technology Co ltd
Current assignee: Hunan Xunke Xuguang Technology Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-03-02
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a desolventizing tower reboiler, which comprises a shell, an inner support, a lower shell flange, an upper shell flange, a lower sealing flange, an upper sealing flange, a lower gland, an upper gland and a plurality of fluoroplastic pipes; this casing is a vertical barrel, has vertical extension's holding chamber in the casing, and the lower extreme side of casing is provided with hot medium entry and the drain in intercommunication holding chamber, through being provided with fluoroplastics pipe, has replaced traditional metal material pipe, has effectively reduced material cost to, fluoroplastics pipe has high corrosion resistance, can be able to bear or endure strong corrosive chemical substances such as hydrochloric acid, nitric acid, sulphuric acid, hydrofluoric acid, can be high temperature resistant, long service life, and, this product is small, compact structure. The flexible fluoroplastic pipe can work safely in the impact and vibration of fluid, and the pipe bundle can be made into various special shapes as required, so that the use is facilitated.

Description

Reboiler of desolventizing tower

Technical Field

The utility model relates to a reboiler field technique especially indicates a desolventizing tower reboiler.

Background

Desolventizing is the phenomenon in which solute atoms are partially aggregated and a new phase is precipitated in a supersaturated solid solution. The desolventizing can be divided into equilibrium desolventizing and aging desolventizing; the desolventizing can be divided into continuous desolventizing and discontinuous desolventizing according to the regional distribution of desolventizing and the desolventizing process.

The desolventizing operation requires the use of a desolventizing tower which requires the use of a reboiler during use, the reboiler (also weighing the boiler) being the name to vaporize the liquid once again. Its structure is similar to that of condenser, but one is used for lowering temp. and the reboiler is used for raising temp. and evaporating. At present, a pipeline used in a reboiler on a desolventizing tower is generally a metal material pipe, so that the cost is high, and the service life is short. Therefore, there is a need for improvements in the current reboilers.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a reboiler for desolventizing tower, which can effectively solve the problems of high cost and short service life of the existing reboiler.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a reboiler of a desolventizing tower comprises a shell, an inner support, a lower shell flange, an upper shell flange, a lower sealing flange, an upper sealing flange, a lower gland, an upper gland and a plurality of fluoroplastic pipes; the shell is a vertical cylinder, a vertically extending accommodating cavity is arranged in the shell, a heat medium inlet and a sewage outlet which are communicated with the accommodating cavity are arranged on the side surface of the lower end of the shell, and a heat medium outlet and a vent which are communicated with the accommodating cavity are arranged on the side surface of the upper end of the shell; the inner support is suspended in the accommodating cavity and comprises a lower fixed disk, an upper fixed disk and a plurality of pull rods connected between the lower fixed disk and the upper fixed disk, and the lower fixed disk and the upper fixed disk are respectively positioned in the two ends of the shell; the lower shell flange and the upper shell flange are respectively fixed at the lower end and the upper end of the shell; the lower sealing flange and the upper sealing flange are respectively fixedly arranged with the lower shell flange and the upper shell flange, and a lower tube plate and an upper tube plate are respectively arranged in the lower sealing flange and the upper sealing flange; the lower gland and the upper gland are respectively fixedly installed with the lower sealing flange and the upper sealing flange, a lower cavity is formed between the lower gland and the lower tube plate, the lower gland is provided with an input port with an opening facing downwards and communicated with the lower cavity, an upper cavity is formed between the upper gland and the upper tube plate, and the upper gland is provided with an output port with an opening facing upwards and communicated with the upper cavity; the plurality of fluoroplastic pipes are fixed on the inner support, the lower end of each fluoroplastic pipe penetrates through the lower fixing disc to be fixed with the lower pipe plate and communicated with the lower cavity, and the upper end of each fluoroplastic pipe penetrates through the upper fixing disc to be fixed with the upper pipe plate and communicated with the upper cavity.

Preferably, the outer side surface of the shell is provided with a support lug for being installed and fixed with the outside.

Preferably, a plurality of baffle plates are fixed on the pull rod, the baffle plates are arranged at intervals from top to bottom and are arranged in a left-right staggered mode, and each fluoroplastic pipe penetrates through the baffle plates.

Preferably, the inner diameter of the inlet port is smaller than the inner diameter of the outlet port.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

through being provided with the fluoroplastics pipe, replaced traditional metal material pipe, effectively reduced material cost to, the fluoroplastics pipe has high corrosion resistance, can be able to bear or endure strong corrosive chemical substances such as hydrochloric acid, nitric acid, sulphuric acid, hydrofluoric acid, can be high temperature resistant, long service life, and, this product is small, compact structure. The flexible fluoroplastic pipe can work safely in the impact and vibration of fluid, and the pipe bundle can be made into various special shapes as required, so that the use is facilitated.

To more clearly illustrate the structural features and functions of the present invention, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments:

drawings

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

FIG. 2 is an enlarged partial schematic view of FIG. 1;

fig. 3 is another partially enlarged schematic view of fig. 1.

The attached drawings indicate the following:

10. housing 11 and accommodating chamber

12. Heat medium inlet 13 and sewage draining outlet

14. Thermal medium outlet 15 and vent

16. Support lug 20 and inner support

21. Lower fixed disk 22 and upper fixed disk

23. Pull rod 24 and baffle plate

31. Lower shell flange 32 and upper shell flange

33. Lower sealing flange 34 and upper sealing flange

35. Lower tube plate 36 and upper tube plate

37. Gasket 40, lower gland

41. Lower cavity 42, input port

50. Upper gland 51 and upper cavity

52. Delivery outlet 60 and fluoroplastic pipe

71. Sealing gasket

Detailed Description

Referring to fig. 1 to 3, the detailed structure of the preferred embodiment of the present invention is shown, which includes a housing 10, an inner support 20, a lower housing flange 31, an upper housing flange 32, a lower sealing flange 33, an upper sealing flange 34, a lower gland 40, an upper gland 50, and a plurality of fluoroplastic pipes 60.

The shell 10 is a vertical cylinder, a vertically extending accommodating cavity 11 is arranged in the shell 10, a heat medium inlet 12 and a sewage outlet 13 which are communicated with the accommodating cavity 11 are arranged on the side surface of the lower end of the shell 10, and a heat medium outlet 14 and a vent 15 which are communicated with the accommodating cavity 11 are arranged on the side surface of the upper end of the shell 10. The outer side surface of the shell 10 is provided with a support lug 16 for being installed and fixed with the outside, and the shell 10 is made of all carbon fiber materials or carbon fiber coating foaming materials.

The inner support 20 is suspended in the accommodating cavity 11, the inner support 20 comprises a lower fixed disk 21, an upper fixed disk 22 and a plurality of pull rods 23 connected between the lower fixed disk 21 and the upper fixed disk 22, and the lower fixed disk 21 and the upper fixed disk 22 are respectively positioned in the two ends of the shell 10; and, be fixed with a plurality of baffling boards 24 on the pull rod 23, this a plurality of baffling boards 24 interval is arranged and is left and right sides dislocation set from top to bottom, and this a plurality of baffling boards 24 are the PPH material.

The lower case flange 31 and the upper case flange 32 are fixed to the lower end and the upper end of the case 10, respectively; the lower sealing flange 33 and the upper sealing flange 34 are respectively fixedly arranged with the lower shell flange 31 and the upper shell flange 32, and a lower tube plate 35 and an upper tube plate 36 are respectively arranged in the lower sealing flange 33 and the upper sealing flange 34; in the present embodiment, the lower casing flange 31 and the casing 10, the upper casing flange 32 and the casing 10, the lower sealing flange 33 and the lower casing flange 31, and the upper sealing flange 34 and the upper casing flange 32 are all fixedly connected by bolts (not shown), and the sealing gaskets 37 are respectively interposed between the lower casing flange 31 and the casing 10, between the upper casing flange 32 and the casing 10, between the lower sealing flange 33 and the lower casing flange 31, and between the upper sealing flange 34 and the upper casing flange 32.

The lower gland 40 and the upper gland 50 are respectively fixedly installed with the lower sealing flange 33 and the upper sealing flange 34, a lower cavity 41 is formed between the lower gland 40 and the lower tube plate 35, the lower gland 40 is provided with an input port 42 with an opening facing downwards and communicated with the lower cavity 41, an upper cavity 51 is formed between the upper gland 50 and the upper tube plate 36, the upper gland 50 is provided with an output port 52 with an opening facing upwards and communicated with the upper cavity 51, and the inner diameter of the input port 42 is smaller than that of the output port 52; in this embodiment, the lower gland 40 and the upper gland 50 are made of PTFE, the lower gland 40 and the lower sealing flange 33, and the upper gland 50 and the upper sealing flange 34 are fixedly connected by bolts (not shown), and the sealing gaskets 71 are respectively interposed between the lower gland 40 and the lower tube plate 35, and between the upper gland 50 and the upper tube plate 36, and the sealing gaskets 71 are made of PTFE.

The plurality of fluoroplastic pipes 60 are fixed to the inner frame 20, a lower end of each fluoroplastic pipe 60 penetrates through the lower fixed disk 21 to be fixed to the lower tube plate 35 and to be communicated with the lower chamber 41, and an upper end of each fluoroplastic pipe 60 penetrates through the upper fixed disk 22 to be fixed to the upper tube plate 26 and to be communicated with the upper chamber 51. In this embodiment, each fluoroplastic pipe 60 passes through a plurality of baffles 24.

Detailed description the working principle of the present embodiment is as follows:

when the device is used, the heat medium enters the accommodating cavity 11 from the heat medium inlet 12, fills the whole accommodating cavity 11, overflows and is output from the heat medium outlet 14, meanwhile, the material is input into the lower cavity 41 from the input port 42 and then enters the upper cavity 51 through the fluoroplastic pipe 60, the material exchanges heat with the heat medium flowing through the outside of the fluoroplastic pipe 60 in the process of flowing through the inside of the fluoroplastic pipe 60 to realize reboiling, and the reboiled material is output from the output port 52.

The utility model discloses a design key is: through being provided with the fluoroplastics pipe, replaced traditional metal material pipe, effectively reduced material cost to, the fluoroplastics pipe has high corrosion resistance, can be able to bear or endure strong corrosive chemical substances such as hydrochloric acid, nitric acid, sulphuric acid, hydrofluoric acid, can be high temperature resistant, long service life, and, this product is small, compact structure. The flexible fluoroplastic pipe can work safely in the impact and vibration of fluid, and the pipe bundle can be made into various special shapes as required, so that the use is facilitated.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A desolventizing tower reboiler, which is characterized in that: the device comprises a shell, an inner support, a lower shell flange, an upper shell flange, a lower sealing flange, an upper sealing flange, a lower gland, an upper gland and a plurality of fluoroplastic pipes; the shell is a vertical cylinder, a vertically extending accommodating cavity is arranged in the shell, a heat medium inlet and a sewage outlet which are communicated with the accommodating cavity are arranged on the side surface of the lower end of the shell, and a heat medium outlet and a vent which are communicated with the accommodating cavity are arranged on the side surface of the upper end of the shell; the inner support is suspended in the accommodating cavity and comprises a lower fixed disk, an upper fixed disk and a plurality of pull rods connected between the lower fixed disk and the upper fixed disk, and the lower fixed disk and the upper fixed disk are respectively positioned in the two ends of the shell; the lower shell flange and the upper shell flange are respectively fixed at the lower end and the upper end of the shell; the lower sealing flange and the upper sealing flange are respectively fixedly arranged with the lower shell flange and the upper shell flange, and a lower tube plate and an upper tube plate are respectively arranged in the lower sealing flange and the upper sealing flange; the lower gland and the upper gland are respectively fixedly installed with the lower sealing flange and the upper sealing flange, a lower cavity is formed between the lower gland and the lower tube plate, the lower gland is provided with an input port with an opening facing downwards and communicated with the lower cavity, an upper cavity is formed between the upper gland and the upper tube plate, and the upper gland is provided with an output port with an opening facing upwards and communicated with the upper cavity; the plurality of fluoroplastic pipes are fixed on the inner support, the lower end of each fluoroplastic pipe penetrates through the lower fixing disc to be fixed with the lower pipe plate and communicated with the lower cavity, and the upper end of each fluoroplastic pipe penetrates through the upper fixing disc to be fixed with the upper pipe plate and communicated with the upper cavity.

2. The desolventizing column reboiler of claim 1, wherein: the lateral surface of casing is provided with and is used for with fixed journal stirrup of outside installation.

3. The desolventizing column reboiler of claim 1, wherein: a plurality of baffle plates are fixed on the pull rod, the baffle plates are arranged at intervals from top to bottom and are arranged in a left-right staggered mode, and each fluoroplastic pipe penetrates through the baffle plates.

4. The desolventizing column reboiler of claim 1, wherein: the inner diameter of the input port is smaller than the inner diameter of the output port.