CN112495063A

CN112495063A - Gas-liquid separator

Info

Publication number: CN112495063A
Application number: CN202011495388.9A
Authority: CN
Inventors: 任长江
Original assignee: Shanghai Guijiang Electromechanical Technology Co ltd
Current assignee: Shanghai Guijiang Electromechanical Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-03-16

Abstract

The invention belongs to the technical field of evaporation concentrators, and particularly relates to a vapor-liquid separator which comprises a cylinder, wherein a vapor outlet is formed above the cylinder, a liquid outlet is formed below the cylinder, a vapor inlet is formed in the side of the cylinder, a plurality of annular guide plates are arranged in the cylinder, the annular guide plates are sequentially arranged from inside to outside, an annular guide channel is formed between every two adjacent annular guide plates, a first opening penetrates through each annular guide plate along the axial direction of the annular guide plate, the vapor inlet is communicated with the annular guide channel through the first opening, the vapor inlet is formed in the tangential direction of the annular guide plates, and the annular guide channel is communicated with the liquid outlet; still be provided with the honeycomb duct in the barrel, the honeycomb duct is located an annular guide plate of inner circle, and the both ends of honeycomb duct communicate with steam outlet and liquid outlet respectively, and the second opening has been seted up along its axial to the lower extreme of honeycomb duct, and the second opening passes through first opening and annular water conservancy diversion passageway intercommunication, and the second opening is located the below of steam inlet.

Description

Gas-liquid separator

Technical Field

The invention belongs to the technical field of evaporation concentrators, and particularly relates to a vapor-liquid separator.

Background

In the production process of the evaporation concentrator, when some materials contain sugar and alkaline components, a foam layer with a certain height of liquid level can be generated after heating and flowing, the liquid level in the system evaporator is the uppermost layer, the foam has large volume and light weight, and can easily enter condensate along with secondary steam, and the foam also contains the components of the materials, thereby not only causing the loss of product materials, but also causing the impure state of the condensate; such condensate cannot be reused nor discharged directly.

In the existing evaporation concentration system, although various separators are provided, a medicament defoaming agent is also provided, and the existing separators are of a straight cylinder type, a partition plate type, a volume type, a foam removing type and the like, but the defects of incomplete separation, low efficiency, high steam resistance and the like are usually existed in the actual application; in an evaporation concentration system, high steam resistance can increase the energy consumption of equipment and reduce the production efficiency.

Disclosure of Invention

The invention provides a gas-liquid separator, aiming at solving the problems of incomplete separation, low efficiency and high steam resistance of the separator in the prior art.

In order to solve the technical problems, the technical scheme adopted by the invention is that the gas-liquid separator comprises a cylinder body, wherein a gas outlet is arranged above the cylinder body, a liquid outlet is arranged below the cylinder body, a gas inlet is arranged on the side of the cylinder body, a plurality of annular guide plates are arranged inside the cylinder body and are sequentially arranged from inside to outside, an annular guide channel is formed between every two adjacent annular guide plates, a first opening penetrates through the annular guide plates along the axial direction of the annular guide plates, the gas inlet is communicated with the annular guide channel through the first opening, the gas inlet is arranged along the tangential direction of the annular guide plates, and the annular guide channel is communicated with the liquid outlet;

still be provided with the honeycomb duct in the barrel, the honeycomb duct is located one of the inner circle annular guide plate in, the both ends of honeycomb duct communicate with steam outlet and liquid outlet respectively, the second opening has been seted up along its axial to the lower extreme of honeycomb duct, the second opening passes through first opening and annular water conservancy diversion passageway intercommunication, the second opening is located the below of steam inlet.

Preferably, the barrel is including straight section of thick bamboo section and the awl section that from top to bottom sets gradually, honeycomb duct and annular guide plate all are located straight section of thick bamboo section, honeycomb duct and annular water conservancy diversion passageway all communicate with the liquid outlet through the awl section of thick bamboo. The arrangement of the straight cylinder section is convenient for the arrangement of the guide pipe and the annular guide plate; the arrangement of the conical barrel section is convenient for collecting and discharging separated liquid.

Preferably, the straight cylinder section is internally and fixedly provided with support rods in a crossed manner, the guide pipe and the annular guide plate are both positioned on the support rods, and the top ends of the guide pipe and the annular guide plate are both fixedly connected with the top end of the cylinder body. The setting of bracing piece effectively avoids honeycomb duct and annular guide plate to rock because of steam collides, effectively improves the reliability that honeycomb duct and annular guide plate set up.

Preferably, the circumferential opening angle of the first opening around the annular deflector is 90 °, and the circumferential opening angle of the second opening around the draft tube is 90 °. The steam with foam is convenient to enter from the steam inlet and then collide with the annular guide plate in the tangential direction, the foam is broken, and the steam with foam rotates at high speed and decelerates in the annular guide channel and flows downwards gradually under the action of gravity because the pressure outside the steam inlet is higher than the pressure in the cylinder; and the steam with entrained foam can continue rotating, colliding and falling in the annular diversion channel, so that the separation efficiency of the gas-liquid separator is improved.

Preferably, the annular diversion channel is also formed between the diversion pipe and the annular diversion plate at the innermost circle, and the annular diversion channel is also formed between the cylinder and the annular diversion plate at the outermost circle. The gas-liquid separator has reasonable and ingenious layout, is favorable for reducing the volume of the gas-liquid separator and reduces the cost.

Further, the number of the annular guide plates is two.

Further, the outside of barrel is provided with the heat preservation skin, it is cotton to fill the heat preservation between barrel and the heat preservation skin. The heat preservation structure is simple and reliable, and the heat preservation effect is good.

Further, the heat preservation cotton is silicic acid heat preservation cotton.

Furthermore, the steam inlet, the steam outlet and the liquid outlet are fixedly provided with connecting flange plates; and mounting support legs are arranged outside the cylinder body. The vapor-liquid separator is convenient to install in an evaporation concentration system, and the installation is reliable and convenient.

Has the advantages that: according to the vapor-liquid separator, steam carrying foam enters the annular flow guide channel in the cylinder body from the tangent line of the steam inlet, the first opening is formed around the circumferential direction of the annular flow guide plate, the second opening is formed around the circumferential direction of the flow guide pipe, and the first opening is aligned to the steam inlet, so that the low steam inlet resistance is ensured; according to the gas-liquid separator disclosed by the invention, entrained foam can rotate, collide and fall in the annular flow guide channel under the action of the internal and external pressure difference until the foam is completely broken, so that the foam can be completely and cleanly separated, and the separation efficiency is high; according to the vapor-liquid separator, the second opening is lower than the steam inlet, so that steam with foam is prevented from being directly and sequentially discharged from the second opening, the flow guide pipe and the steam outlet, and the steam which is not completely separated is effectively prevented from being carried out; the gas-liquid separator has the advantages of simple and reliable structure, reasonable layout, small volume, low cost and convenient installation and transportation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic perspective view of a vapor-liquid separator according to the present invention;

FIG. 2 is a partial schematic view of the interior of the vapor-liquid separator of the present invention;

FIG. 3 is a schematic perspective cross-sectional view of a vapor-liquid separator of the present invention;

in the figure: 1. the device comprises a cylinder body, 11, a steam outlet, 12, a liquid outlet, 13, a steam inlet, 14, a straight cylinder section, 15, a conical cylinder section, 2, an annular guide plate, 21, a first opening, 3, a guide pipe, 31, a second opening, 4, a support rod, 5, a heat preservation outer layer, 6, a connecting flange plate, 7 and mounting support legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 3, a vapor-liquid separator includes a cylinder 1, a vapor outlet 11 is provided above the cylinder 1, a liquid outlet 12 is provided below the cylinder 1, a vapor inlet 13 is provided at a side of the cylinder 1, a plurality of annular guide plates 2 are provided inside the cylinder 1, the plurality of annular guide plates 2 are uniformly arranged from inside to outside in sequence, an annular guide channel is formed between adjacent annular guide plates 2, a first opening 21 penetrates through the annular guide plate 2 along an axial direction thereof, the vapor inlet 13 is communicated with the annular guide channel through the first opening 21, the vapor inlet 13 is arranged along a tangential direction of the annular guide plates 2, the vapor inlet 13 is arranged opposite to the first opening 21, and the annular guide channel is communicated with the liquid outlet 12; still be provided with honeycomb duct 3 in the barrel 1, honeycomb duct 3 is located one of the inner circle annular guide plate 2 is interior, honeycomb duct 3's both ends communicate with steam outlet 11 and liquid outlet 12 respectively, second opening 31 has been seted up along its axial to honeycomb duct 3's lower extreme, second opening 31 passes through first opening 21 and annular water conservancy diversion passageway intercommunication, second opening 31 is located the below of steam inlet 13.

In this embodiment, as shown in fig. 1 and 3, the cylinder 1 includes a straight cylinder section 14 and a conical cylinder section 15, which are sequentially arranged from top to bottom, the flow guide tube 3 and the annular flow guide plate 2 are both located in the straight cylinder section 14, the flow guide tube 3 and the annular flow guide channel are both communicated with the liquid outlet 12 through the conical cylinder section 15, wherein the arrangement of the straight cylinder section 14 is convenient for the arrangement of the flow guide tube 3 and the annular flow guide plate 2; the conical barrel section 15 is arranged to facilitate the collection and discharge of separated liquid; the number of layers of the annular guide plate 2 is set according to the amount of steam to be separated, and the main functions are to disperse the steam and increase the impact area.

In this embodiment, for reliable setting of the draft tube 3 and the annular guide plate 2, as shown in fig. 2 and fig. 3, the support rod 4 is fixedly arranged in the straight section of tube 14 in a crossed manner, the support rod 4 is fixedly connected with the straight section of tube 14 by welding, the draft tube 3 and the annular guide plate 2 are both located on the support rod 4, and the top ends of the draft tube 3 and the annular guide plate 2 are both fixedly connected with the top end of the cylinder 1 by welding.

In this embodiment, as shown in fig. 2, the circumferential opening angle of the first opening 21 around the annular flow guide plate 2 is 90 °, the circumferential opening angle of the second opening 31 around the flow guide pipe 3 is 90 °, so that the steam with foam enters from the steam inlet 13 and collides with the annular flow guide plate 2 in the tangential direction, the foam is broken, and since the pressure outside the steam inlet 13 is higher than the pressure inside the cylinder 1, the steam with foam rotates and decelerates at a high speed in the annular flow guide channel, and flows downwards gradually under the action of gravity; and the steam with entrained foam can continue rotating, colliding and falling in the annular diversion channel, so that the separation efficiency of the gas-liquid separator is improved.

In this embodiment, in order to make the layout of the vapor-liquid separator reasonable and ingenious, and further facilitate to reduce the volume of the vapor-liquid separator and reduce the cost, as shown in fig. 2 and 3, an annular diversion channel is also formed between the diversion pipe 3 and the annular diversion plate 2 at the innermost circle, and an annular diversion channel is also formed between the cylinder 1 and the annular diversion plate 2 at the outermost circle; the number of the annular guide plates 2 is two.

In this embodiment, in order to further improve the separation effect of the vapor-liquid separator, the interior of the cylinder 1 needs to be insulated, as shown in fig. 3, an insulating outer layer 5 is arranged outside the cylinder 1, and insulating cotton (not shown in the figure) is filled between the cylinder 1 and the insulating outer layer 5, and the insulating cotton is silicic acid insulating cotton.

In this embodiment, in order to facilitate the installation of the vapor-liquid separator in an evaporation concentration system and ensure reliable and convenient installation, as shown in fig. 1, connecting flanges 6 are fixedly arranged at the vapor inlet 13, the vapor outlet 11 and the liquid outlet 12; the outside of the barrel 1 is provided with mounting legs 7.

The working principle is as follows:

the steam with foam enters the annular diversion channel in the cylinder body 1 from the tangent line of the steam inlet 13, because the first opening 21 is arranged around the circumference of the annular diversion plate 2, the second opening 31 is arranged around the circumference of the diversion pipe 3, the first opening 21 is aligned with the steam inlet 13, the steam inlet resistance is small, because the pressure outside the steam inlet 13 is higher than the pressure in the cylinder body 1, the steam with foam rotates at high speed and decelerates in the annular diversion channel, and simultaneously flows downwards gradually under the action of gravity, wherein the steam with foam collides with the diversion plate, the inner wall of the straight cylinder section 14 and the outer wall of the diversion pipe 3, the foam is broken, if the foam is carried, the steam with foam continuously collides with the diversion plate, the inner wall of the straight cylinder section 14 and the outer wall of the diversion pipe 3 under the action of differential pressure, until the foam is completely collided, the steam with the foam is completely separated, the separation efficiency is high, the separated liquid is discharged through the conical cylinder section 15 and the liquid outlet 12 in sequence, the separated clean steam without foam entrainment is discharged from the second opening 31, the flow guide pipe 3 and the steam outlet 11 in sequence, and the steam without foam entrainment is ensured not to be directly discharged from the second opening 31, the flow guide pipe 3 and the steam outlet 11 in sequence because the position of the second opening 31 is lower than the steam inlet 13.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. A vapor-liquid separator characterized by: the steam-water separator comprises a cylinder body (1), wherein a steam outlet (11) is arranged above the cylinder body (1), a liquid outlet (12) is arranged below the cylinder body (1), a steam inlet (13) is arranged on the side of the cylinder body (1), a plurality of annular guide plates (2) are arranged inside the cylinder body (1), the annular guide plates (2) are sequentially arranged from inside to outside, an annular guide channel is formed between every two adjacent annular guide plates (2), a first opening (21) penetrates through the annular guide plates (2) along the axial direction of the annular guide plates, the steam inlet (13) is communicated with the annular guide channel through the first opening (21), the steam inlet (13) is arranged along the tangential direction of the annular guide plates (2), and the annular guide channel is communicated with the liquid outlet (12);

still be provided with honeycomb duct (3) in barrel (1), honeycomb duct (3) are located one of inner circle annular guide plate (2) in, the both ends of honeycomb duct (3) communicate with steam outlet (11) and liquid outlet (12) respectively, second opening (31) have been seted up along its axial to the lower extreme of honeycomb duct (3), second opening (31) pass through first opening (21) and annular water conservancy diversion passageway intercommunication, second opening (31) are located the below of steam inlet (13).

2. The vapor-liquid separator of claim 1, wherein: barrel (1) is including straight section of thick bamboo section (14) and awl section of thick bamboo section (15) that from top to bottom set gradually, honeycomb duct (3) and annular guide plate (2) all are located straight section of thick bamboo section (14), honeycomb duct (3) and annular water conservancy diversion passageway all communicate with liquid outlet (12) through awl section of thick bamboo section (15).

3. The vapor-liquid separator of claim 2, wherein: the inner cross fixing of the straight cylinder section (14) is provided with a support rod (4), the guide pipe (3) and the annular guide plate (2) are both positioned on the support rod (4), and the top ends of the guide pipe (3) and the annular guide plate (2) are both fixedly connected with the top end of the cylinder body (1).

4. The vapor-liquid separator of claim 1, wherein: the circumferential opening angle of the first opening (21) around the annular guide plate (2) is 90 degrees, and the circumferential opening angle of the second opening (31) around the guide pipe (3) is 90 degrees.

5. The vapor-liquid separator of claim 1, wherein: the annular flow guide channel is formed between the flow guide pipe (3) and the annular flow guide plate (2) at the innermost circle, and the annular flow guide channel is formed between the cylinder body (1) and the annular flow guide plate (2) at the outermost circle.

6. The vapor-liquid separator according to any one of claims 1 to 5, wherein: the number of the annular guide plates (2) is two.

7. The vapor-liquid separator according to any one of claims 1 to 5, wherein: the heat-insulation cotton barrel is characterized in that a heat-insulation outer layer (5) is arranged outside the barrel body (1), and heat-insulation cotton is filled between the barrel body (1) and the heat-insulation outer layer (5).

8. The vapor-liquid separator of claim 7, wherein: the heat preservation cotton is silicic acid heat preservation cotton.

9. The vapor-liquid separator according to any one of claims 1 to 5, wherein: the steam inlet (13), the steam outlet (11) and the liquid outlet (12) are fixedly provided with connecting flange plates (6); and mounting support legs (7) are arranged outside the cylinder body (1).