CN216737650U

CN216737650U - Vertical vacuum deaerator

Info

Publication number: CN216737650U
Application number: CN202220291581.9U
Authority: CN
Inventors: 杨立军; 徐友
Original assignee: Jinan Pressure Vessel Factory
Current assignee: Jinan Pressure Vessel Factory
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-06-14
Anticipated expiration: 2032-02-14

Abstract

The utility model belongs to the technical field of chemical deaerators, and particularly relates to a vertical vacuum deaerator; the device comprises a deoxygenation water tank and a deoxygenation device, wherein the bottom of the deoxygenation device is communicated with the deoxygenation water tank; a rotary membrane tube is arranged above the deaerator, and one end of the rotary membrane tube is provided with a condensed water inlet; a water spraying grate, a filler liquid-steam net and a steam distribution chamber are arranged below the deaerator; the water spraying grate, the filler liquid-steam net and the steam distribution chamber are sequentially arranged from top to bottom; one end of the steam distribution chamber is provided with a steam interface; the water spraying grate comprises a fixing plate and grate bars, and the fixing plate is fixedly connected with the inner wall of the deaerator; the grate bars are arranged on the inner side of the fixed plate, and the planes of the grate bars are inclined at a certain angle relative to the horizontal plane. The utility model has the advantages that: the plane of the grid bars inclines a certain angle relative to the horizontal plane, so that the contact area of the grid bars and the mist water flowing downwards above the grid bars is increased, and the efficiency is improved; the plurality of water spraying grates are horizontally staggered and arranged side by side, so that the contact between the water spraying grates and atomized water is further improved.

Description

Vertical vacuum deaerator

Technical Field

The utility model belongs to the technical field of chemical deaerators, and particularly relates to a vertical vacuum deaerator.

Background

The rotating film deaerator in the deaerator has good adaptability, stable operation and low energy consumption, is widely applied, and utilizes high pressure to spray water out of small holes of the deaerator to form a mist shape; forming a rotational flow along the inner wall of the pipe, entering the water spraying grate to make the atomized water flow down uniformly, and then carrying out heat exchange and the like.

The water spraying grate of the existing rotary membrane deaerator has low efficiency of collecting the mist water, and the mist water is not easy to stick on the grate bars of the water spraying grate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vertical vacuum deaerator, aiming at the technical problems that the efficiency of collecting mist water by a water spraying grate of the existing rotary membrane deaerator is low, and the mist water is not easy to stick on the grate bars of the water spraying grate.

In order to achieve the purpose, the utility model adopts the technical scheme that: a vertical vacuum deaerator comprises a deaerating water tank, wherein a deaerator is arranged on the deaerating water tank, and the bottom of the deaerator is communicated with the deaerating water tank; the deaerator is characterized in that a rotary membrane pipe is arranged above the deaerator, and one end of the rotary membrane pipe is provided with a condensed water inlet; the condensed water inlet penetrates through the outer wall of the deaerator and is communicated with the outside; a water spraying grate, a filler liquid-vapor net and a vapor distribution chamber are arranged below the deaerator; the water spraying grate, the filler liquid-steam net and the steam distribution chamber are sequentially arranged from top to bottom; one end of the steam distribution chamber is provided with a steam interface; the water spraying grate comprises a fixed plate and grate bars, and the fixed plate is fixedly connected with the inner wall of the deaerator; the grate bars are arranged on the inner side of the fixing plate, and the plane of the grate bars inclines for a certain angle relative to the horizontal plane.

Preferably, the fixed plate is in an annular strip shape; the fixed plate lateral wall laminating is on the oxygen-eliminating device inner wall, the grid section has a plurality ofly, sets up at the fixed plate inboard side by side.

Preferably, the grid section is in the shape of a strip plate, and the inclination angle of the plane of the grid section relative to the horizontal plane is 30-75 degrees.

Preferably, the water spraying perforated strainer is provided with a plurality of perforated strainer which are horizontally arranged side by side from top to bottom and staggered by a certain angle on the horizontal plane

Preferably, the number of the water spraying grates is two, and the two water spraying grates are staggered by 90 degrees on the horizontal plane.

Preferably, the number of the water spraying grates is three, and the three water spraying grates are staggered by 30 degrees on the horizontal plane.

Preferably, the filler liquid-vapor net has multiple groups, and the multiple groups of filler liquid-vapor nets are arranged side by side from top to bottom.

Preferably, a steam interface at one end of the steam distribution chamber penetrates through the outer wall of the deaerator and is communicated with the outside.

Preferably, a supplementary water interface and an air outlet are arranged above the deaerator, and a manhole is arranged on one side of the deaerator.

Preferably, a liquid level meter is arranged on the deoxygenation water tank.

Compared with the prior art, the utility model has the advantages and positive effects that: (1) the plane of the grid bars inclines a certain angle relative to the horizontal plane, so that the contact area of the grid bars and the mist water flowing downwards above the grid bars is increased, and the efficiency is improved; (2) the plurality of water spraying grates are horizontally arranged side by side from top to bottom, are staggered at a certain angle on the horizontal plane, and are staggered, so that the contact between the water spraying grates and atomized water is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced,

FIG. 1 is a schematic view of the structure of the device,

figure 2 is a schematic view of the structure of a water spraying grate,

figure 3 is a cross-sectional view of a water spraying grate,

FIG. 4 is a side view of a deaerator;

1-a deoxygenation water tank and 11-a liquid level meter;

2-deaerator, 21-spiral membrane pipe, 211-condensed water inlet, 22-water spraying grate, 221-fixing plate, 222-grate bar, 23-filler liquid-steam net, 24-steam distribution chamber and 241-steam interface;

3-supplementary water interface, 4-exhaust port and 5-manhole.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Examples

The utility model is further described with reference to fig. 1-4, and as shown in fig. 1, a vertical vacuum deaerator comprises a deaerating water tank 1, wherein a deaerator 2 is arranged on the deaerating water tank 1, and the bottom of the deaerator 2 is communicated with the deaerating water tank 1; the deaerator is characterized in that a rotary film tube 21 is arranged above the deaerator 2, and one end of the rotary film tube 21 is provided with a condensed water inlet 211; the condensed water inlet 211 penetrates through the outer wall of the deaerator 2 and is communicated with the outside; a water spraying grate 22, a filler liquid-vapor net 23 and a vapor distribution chamber 24 are arranged below the deaerator 2; the water spraying grate 22, the filler liquid-steam net 23 and the steam distribution chamber 24 are sequentially arranged from top to bottom; one end of the steam distribution chamber 24 is provided with a steam interface 241;

as shown in fig. 2, the water spraying grate 22 comprises a fixing plate 221 and grate bars 222, wherein the fixing plate 221 is fixedly connected with the inner wall of the deaerator 2; the grate bars 222 are arranged on the inner side of the fixing plate 221, and the plane of the grate bars 222 inclines at a certain angle relative to the horizontal plane.

The water entering from the condensed water inlet 211 is sprayed out by the film rotating pipe 21 according to a certain angle to form a water film skirt, and exchanges heat with the steam discharged by the steam distribution chamber 24 to form primary deoxidization;

then the steam is contacted with the water spraying grate 22 again and heated to the saturation temperature which is close to the working pressure of the deaerator, and coarse deoxidization is carried out; the water spraying grate 22 is provided with grate bars 222 which are inclined with a certain angle with the horizontal plane, and the grate bars 222 are arranged in an inclined way, so that the contact area of the grate bars 222 and the atomized water flowing downwards from the upper part is increased, and secondary distribution is carried out;

the water continuously flows to the filler liquid-steam net 23, is fully contacted with the steam, is heated to the saturation temperature and is deeply deoxidized; the water now flows from the deaerator 2 to the deaerating water tank 1 for further treatment.

As shown in fig. 2 and 3, the fixing plate 221 has an annular strip shape; the outer side wall of the fixing plate 221 is attached to the inner wall of the deaerator 2, and the grate bars 222 are arranged on the inner side of the fixing plate 221 side by side.

As shown in fig. 2 and 3, the grate bar 222 is shaped like a long strip, and the plane of the grate bar 222 is inclined at an angle of 30 ° with respect to the horizontal plane.

The grate bars 222 are inclined by 30 degrees, and are arranged one by one, water drops sprinkled from the grate bars 222 are also arranged in a row, the intervals between each row are equal, and the water drops are uniformly sprinkled to the filler liquid-steam net 23, so that the full contact with the steam from the steam distribution chamber 24 is ensured.

As shown in fig. 2 and 3, there are a plurality of the water spraying grates 22, and the plurality of the water spraying grates 22 are horizontally arranged side by side from top to bottom and are staggered at a certain angle on a horizontal plane.

The plurality of water spraying grates are horizontally arranged side by side from top to bottom, are staggered at a certain angle on the horizontal plane, and are staggered, so that the contact between the water spraying grates and atomized water is further improved.

As shown in fig. 2 and 3, there are two water spraying perforated grates 22, and the two water spraying perforated grates 22 are staggered by 90 ° in the horizontal plane.

As shown in fig. 1, there are multiple groups of the filler liquid-vapor nets 23, and the multiple groups of the filler liquid-vapor nets 23 are arranged side by side from top to bottom.

As shown in fig. 1, a steam interface 241 at one end of the steam distribution chamber 24 penetrates through the outer wall of the deaerator 2 to communicate with the outside.

As shown in fig. 1 and 4, a make-up water interface 3 and an air outlet 4 are arranged above the deaerator 2, and a manhole 5 is arranged on one side of the deaerator 2.

As shown in fig. 1, a liquid level meter 11 is arranged on the deoxygenation water tank 1.

Example 2

The difference between the present embodiment and embodiment 1 is that the angle of inclination of the plane where the grid 222 is located with respect to the horizontal plane is 45 °; the number of the water spraying grates 22 is three, and the three water spraying grates 22 are staggered by 60 degrees on the horizontal plane.

Example 3

The difference between the present embodiment and embodiment 1 is that the plane of the grid 222 is inclined at an angle of 75 ° with respect to the horizontal plane; the number of the water spraying grates 22 is two, and the two water spraying grates 22 are staggered by 90 degrees on the horizontal plane.

While the utility model has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model.

Claims

1. A vertical vacuum deaerator comprises a deaerating water tank (1), wherein a deaerator (2) is arranged on the deaerating water tank (1), and the bottom of the deaerator (2) is communicated with the deaerating water tank (1); the device is characterized in that a film rotating pipe (21) is arranged above the deaerator (2), and one end of the film rotating pipe (21) is provided with a condensed water inlet (211); the condensed water inlet (211) penetrates through the outer wall of the deaerator (2) and is communicated with the outside; a water spraying grate (22), a filler liquid-vapor net (23) and a vapor distribution chamber (24) are arranged below the deaerator (2); the water spraying grate (22), the filler liquid-steam net (23) and the steam distribution chamber (24) are sequentially arranged from top to bottom; one end of the steam distribution chamber (24) is provided with a steam interface (241);

the water spraying grate (22) comprises a fixing plate (221) and grate bars (222), and the fixing plate (221) is fixedly connected with the inner wall of the deaerator (2); the grate bars (222) are arranged on the inner side of the fixing plate (221), and the plane where the grate bars (222) are arranged is inclined at a certain angle relative to the horizontal plane.

2. The vertical vacuum deaerator as claimed in claim 1, wherein the fixing plate (221) is in a shape of a ring strip; the outer side wall of the fixing plate (221) is attached to the inner wall of the deaerator (2), and the grate bars (222) are arranged on the inner side of the fixing plate (221) side by side.

3. The vertical vacuum deaerator as claimed in claim 2, wherein the grid (222) is in the shape of a strip plate, and the plane of the grid (222) is inclined at an angle of 30-75 ° with respect to the horizontal plane.

4. The vertical vacuum deaerator according to claim 2 or 3, characterized in that, there are a plurality of water spraying grates (22), and the plurality of water spraying grates (22) are horizontally arranged side by side from top to bottom and staggered by a certain angle on the horizontal plane.

5. The vertical vacuum deaerator as claimed in claim 4, characterized in that, there are two water spraying grates (22), and the two water spraying grates (22) are staggered by 90 ° in the horizontal plane.

6. The vertical vacuum deaerator according to claim 4, characterized in that, there are three water spraying grates (22), and the three water spraying grates (22) are staggered by 60 degrees on the horizontal plane.

7. The vertical vacuum deaerator as claimed in claim 1, characterized in that there are a plurality of groups of said filler liquid-vapor nets (23), and said plurality of groups of said filler liquid-vapor nets (23) are arranged side by side from top to bottom.

8. The vertical vacuum deaerator as claimed in claim 1, characterized in that a steam interface (241) at one end of the steam distribution chamber (24) penetrates through the outer wall of the deaerator (2) and is communicated with the outside.

9. The vertical vacuum deaerator according to claim 1, characterized in that a make-up water port (3) and an air outlet (4) are arranged above the deaerator (2), and a manhole (5) is arranged on one side of the deaerator (2).

10. The vertical vacuum deaerator as claimed in claim 1, characterized in that a liquid level meter (11) is arranged on the deaerating water tank (1).