CN216855970U

CN216855970U - Cyclone plate demister device for evaporative crystallization separator

Info

Publication number: CN216855970U
Application number: CN202123436227.5U
Authority: CN
Inventors: 吉训胜; 张健
Original assignee: Beijing Mingzeyuan Environmental Engineering Co ltd
Current assignee: Beijing Mingzeyuan Environmental Engineering Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-01
Anticipated expiration: 2031-12-31

Abstract

The application relates to a swirl plate demister device for an evaporative crystallization separator, which comprises a cover cylinder and swirl blades. The cover barrel is of a hollow annular barrel-shaped structure, the cross section of the cover barrel is smaller than that of the separator, the cover barrel is suitable for being placed inside the separator, the cyclone blades are arranged inside the cover barrel and fixed with the cover barrel, the bottom of the cover barrel is outwards bent to form bent portions, and the bent portions are fixedly connected with the inner wall of the separator in a sealing mode to form a liquid receiving groove. Receive the liquid tank and encircle in the outside of whirl blade to on the outer wall of separator can be got rid of to the liquid drop of throwing away from whirl blade, and in the liquid tank that receives, be convenient for collect, in order to reach the mesh that removes the foam. Offer the overflow mouth that is linked together with the overflow pipe in the bottom that receives the cistern, and the overflow pipe passes the bottom that receives the cistern to exceed one section distance in the bottom that receives the cistern, in addition, the bottom of overflow pipe is "U" type structure, the liquid seal of being convenient for, and effective liquid seal length, vertical length more than or equal to 50mm promptly, with the better purpose that reaches the liquid seal.

Description

Cyclone plate demister device for evaporative crystallization separator

Technical Field

The application relates to the technical field of defoaming, in particular to a swirl plate demister device for an evaporative crystallization separator.

Background

The evaporative crystallization process is a commonly used industrial wastewater zero-discharge treatment method, in the evaporative crystallization process, liquid mist droplets carried by secondary steam generated by a separator can corrode subsequent equipment and increase the conductivity of secondary steam condensate water if the liquid mist droplets carried by the secondary steam are not removed, and most of the conventional evaporative crystallization separators use wire mesh defoamers which have large resistance, are difficult to clean and are easy to block. A small part adopts a rotational flow type baffle demister, and separated liquid drops are difficult to collect.

Disclosure of Invention

In view of this, the present application provides a swirl plate demister device for an evaporative crystallization separator, which can effectively separate droplets in a secondary steam entrained droplet gas and collect the droplets in a liquid receiving tank to achieve the purpose of defoaming.

According to one aspect of the application, a swirl plate demister device for an evaporative crystallization separator is provided, which comprises a cover cylinder and swirl blades; the cover cylinder is of a hollow annular barrel-shaped structure, has a section smaller than that of the separator, and is suitable for being placed in the separator; the rotational flow blades are arranged in the cover cylinder and fixed with the cover cylinder; and the bottom of the cover cylinder is bent outwards to form a bent part, and the bent part is fixedly connected with the inner wall of the separator in a sealing manner to form a liquid receiving groove.

In a possible implementation mode, the bottom of the liquid receiving tank is provided with an overflow port; the number of the overflow ports is more than two, and the overflow ports are arranged at intervals along the circumferential direction of the bottom of the liquid receiving tank.

In one possible implementation, the device further comprises an overflow pipe; the overflow pipe is fixed to the overflow port, and one end of the overflow pipe penetrates through the overflow port to the inside of the liquid receiving tank.

In one possible implementation, the overflow tube comprises a U-shaped tube and an n-shaped tube; one end of the U-shaped pipe is communicated with one end of the n-shaped pipe, and the other end of the U-shaped pipe is communicated with the overflow port.

In one possible implementation, the device further comprises a blind plate; the end part of the rotational flow blade is welded and fixed with the blind plate, and the root part of the rotational flow blade is welded and fixed with the liquid receiving groove; the cyclone blades are arranged in the separator and are circumferentially and uniformly distributed along the outer wall of the cover cylinder.

In one possible implementation, the entirety of the swirl vanes is in a funnel-shaped structure.

In one possible implementation, the root of the swirl vane is flush with the top of the liquid receiving tank.

In one possible implementation, the end of each swirl vane is fixedly connected to the edge of the blind plate.

In a possible implementation manner, the swirl vanes are respectively connected with the blind plate and the cover cylinder in a welding manner.

In a possible realisation, the vertical extent of the overflow pipe is within the range 50mm-80 mm.

The utility model provides an evaporation crystal separator uses whirl board demister device's beneficial effect: in the separator, the upward rotating airflow is made to form rotating and centrifuging effect through structural measures, and is sprayed into fine liquid drops, which are thrown to the inner wall of the separator and are collected to the inside of the liquid receiving tank under the action of gravity to achieve the separation purpose. In addition, the liquid receiving tank arranged in the utility model can prevent secondary steam generated in evaporation from carrying liquid drops to enter the following equipment to the maximum extent, and when the separated liquid drops are mist with the particle size of more than 16 microns, the mist removing efficiency is more than or equal to 99.2 percent, and the mist removing effect is good.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

FIG. 1 is a schematic diagram showing the main structure of a swirl plate demister device used in an evaporative crystallization separator according to an embodiment of the present application;

FIG. 2 is a top view of the main structure of the swirl plate demister device used in the evaporative crystallization separator of the embodiment of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It will be understood, however, that the terms "central," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing or simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

Fig. 1 shows a schematic view of a body structure according to an embodiment of the present application. As shown in fig. 1, the swirl plate demister used in the evaporative crystallization separator of the embodiment of the present application includes a shroud 200 and swirl vanes 500. The cover cylinder 200 is a hollow annular barrel-shaped structure, the cross section of the cover cylinder is smaller than that of the separator 100, the cover cylinder is suitable for being placed inside the separator 100, the cyclone blades 600 are arranged inside the cover cylinder 200 and fixed with the cover cylinder 200, the bottom of the cover cylinder 200 is outwards bent to form bent parts, and the bent parts are fixedly connected with the inner wall of the separator 100 in a sealing mode to form the liquid receiving groove 300. So set up, evaporative crystallization separator 100 is in the evaporation process, and when the secondary steam that produces carried liquid fog droplet gas and passed swirl vane 500's clearance, can produce rotary motion, and secondary steam carried liquid fog droplet gas is under the effect of centrifugal force, with the liquid droplet get rid of to the inner wall of separator 100 on (because wall effect and gravity action are along the wall) to converge and flow to in overflow launder 300, reach the despumation purpose. The device has the advantages of simple structure, low manufacturing cost, convenient production and better defoaming effect.

In the whirl plate demister device that evaporative crystallization separator used of this application embodiment, overflow mouth 310 has been seted up in the bottom that receives cistern 300, and the quantity of overflow mouth 310 is a plurality of to set up along bottom circumference, the even interval that receives cistern 300 for discharge the liquid drop of collecting.

Further, an overflow pipe 400 is further arranged at the bottom of the liquid receiving tank 300, one end of the overflow pipe 400 penetrates through the overflow port 310 to the inside of the liquid receiving tank 300, and the end of the overflow pipe 400 exceeds the bottom of the liquid receiving tank 300 by a certain distance, so that the liquid receiving tank 300 can store a small amount of liquid drops thrown out.

Furthermore, the number of the overflow pipes 400 is multiple, and the overflow pipes 400 are arranged along the bottom of the liquid receiving tank 300 at uniform intervals, wherein the number of the overflow pipes 400 is the same as the number of the overflow ports 310, and the overflow ports are matched one by one.

Optimized, among the whirl plate demister device that evaporative crystallization separator used of this application embodiment, overflow pipe 400's bottom is "U" type structure, realization liquid seal that can be better.

Wherein, the effective liquid seal degree value of the overflow pipe 400 is more than or equal to 50 mm. That is, the vertical height of the overflow pipe 400 needs to be more than or equal to 50mm, so as to achieve a better liquid sealing effect.

In the whirl plate demister device that evaporative crystallization separator used of this application embodiment, the whirl subassembly includes whirl blade 500, blind plate 600 and cover section of thick bamboo 200. Wherein, the root of the swirl vane 500 is welded on the inner wall of the shroud cylinder 200, and the end of the swirl vane 500 is welded at the edge of the blind plate 600.

Further, referring to fig. 2, the number of the swirl vanes 500 is plural, and is disposed inside the separator 100, and is uniformly distributed along the outer edge of the blind plate 600 and the inner wall of the shroud can 200.

Wherein, the end of the swirl vane 500 is flush with the top of the liquid receiving tank 300, so that the liquid drops thrown out from the gap of the swirl vane 500 can be smoothly thrown into the liquid receiving tank 300. Thereby avoiding the occurrence of secondary pollution caused by the liquid drops thrown to the outer wall of the liquid receiving tank 300 and then flowing into the swirl vanes 500.

In the whirl plate demister device that the evaporation crystal separator of this application embodiment used, swirl vane 500's number is 6 to 24, can adjust according to the operational environment of difference.

In the swirl plate demister device used in the evaporative crystallization separator of the embodiment of the present application, the inner wall diameter of the cover cylinder 200 is Dx, the inner wall diameter of the separator 100 is Dn ═ 1.1 to 1.5 Dx, and the inner wall diameter of the liquid receiving tank 300 is B ═ (Dn-Dx)/2, so that a better defoaming effect is achieved.

In addition, it should be noted that although fig. 1 is used as an example to describe the swirl plate demister device used in the evaporative crystallization separator, those skilled in the art can understand that the present application should not be limited thereto. In fact, the user can flexibly set the structure of the swirl plate demister used by the evaporative crystallization separator according to personal preference and practical application scenes.

The foregoing description of the embodiments of the present application has been presented for purposes of illustration and description and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or improvements to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A swirl plate demister device for an evaporative crystallization separator, comprising:

the cover cylinder and the swirl vanes;

the cover cylinder is of a hollow annular barrel-shaped structure, has a section smaller than that of the separator, and is suitable for being placed in the separator;

the rotational flow blades are arranged in the cover cylinder and fixed with the cover cylinder; and is

The bottom of the cover cylinder is bent outwards to form a bent part, and the bent part is fixedly connected with the inner wall of the separator in a sealing mode to form a liquid receiving groove.

2. The cyclone plate demister device used for the evaporative crystallization separator as claimed in claim 1, wherein the bottom of the liquid receiving tank is provided with an overflow port;

the number of the overflow ports is more than two, and the overflow ports are arranged at intervals along the circumferential direction of the bottom of the liquid receiving tank.

3. The swirl plate demister apparatus for an evaporative crystal separator of claim 2, further comprising an overflow pipe;

the overflow pipe is fixed to the overflow port, and one end of the overflow pipe penetrates through the overflow port to the inside of the liquid receiving tank.

4. The device of claim 3, wherein the overflow pipe comprises a U-shaped pipe and an n-shaped pipe; one end of the U-shaped pipe is communicated with one end of the n-shaped pipe, and the other end of the U-shaped pipe is communicated with the overflow port.

5. The swirl plate demister apparatus for an evaporative crystal separator of claim 1, further comprising a blind plate; the end part of the rotational flow blade is welded and fixed with the blind plate, and the root part of the rotational flow blade is welded and fixed with the liquid receiving groove;

the cyclone blades are arranged in the separator and are circumferentially and uniformly distributed along the outer wall of the cover cylinder.

6. A swirl plate demister device for an evaporative crystallization separator as set forth in claim 5, wherein the entirety of the swirl vanes has a funnel-like structure.

7. The device as claimed in claim 5, wherein the root of the swirl-plate is flush with the top of the liquid-receiving tank.

8. A swirl plate demister device for an evaporative crystal separator as set forth in claim 5, wherein the end of each of the swirl vanes is fixedly connected to the edge of the blind plate.

9. The cyclone plate demister apparatus for an evaporative crystallization separator as claimed in claim 8, wherein the cyclone blades are connected to the blind plate and the cover cylinder by welding.

10. The cyclone plate demister apparatus for an evaporative crystal separator as set forth in claim 4, wherein the vertical interval of the overflow pipe is within 50mm-80 mm.