CN217340184U

CN217340184U - Defoaming device for acetate production

Info

Publication number: CN217340184U
Application number: CN202123148591.1U
Authority: CN
Inventors: 钟慧娴; 吴海昌; 胡兆雄; 佟刚; 赵楚榜
Original assignee: Zhuhai Qianxin New Material Co ltd
Current assignee: Zhuhai Qianxin New Material Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-09-02
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a defoaming device for producing acetate, which comprises a central tank body, an upper tank body arranged at the top end of the central tank body and an air inlet tank body arranged at the bottom end of the central tank body, the central tank body is connected with the upper tank body and the air inlet tank body through flanges, a feed inlet is arranged on the side surface of the air inlet tank body, a discharge hole is arranged on the side surface of the top end of the upper tank body, an inner isolation plate is arranged in the center of the center tank body in a surrounding manner, a liquid accumulation groove is formed between the inner isolation plate and the central tank body, a liquid discharge port is arranged on the side surface of the bottom end of the liquid accumulation groove, the bottom end in the inner isolation plate is provided with a filler support plate, the top end in the inner isolation plate is detachably provided with a filler pressing ring, a glass lining filler assembly is arranged between the filler supporting plate and the filler pressing ring, and a buffer device for gas diversion is arranged in the upper tank body; the utility model discloses gas-liquid separation's efficiency and gas-liquid separation rate can be improved for the defoaming effect is better.

Description

Defoaming device for acetate production

Technical Field

The utility model relates to a chemical production equipment technical field specifically is a defoaming device of acetate production usefulness.

Background

In acetate production, reaction product is through evaporating, and the product gets into the esterification tower with gaseous phase form, is provided with the defoaming device between reation kettle and esterification tower for reduce liquid foam and smuggle secretly, including smuggleing secretly etc. of catalyst, reduce the corruption, be favorable to production.

Traditional demister air inlet is the single channel, because of not setting up effectual liquid and collecting the passageway, and the single channel gaseous phase is strikeed the liquid foam of having separated easily moreover, influences the separation of gas-liquid. Meanwhile, in the existing defoaming device for acetic ester, liquid-foam separation is not thorough due to large airflow, and catalyst sulfuric acid is easy to be carried out, so that normal production is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a defoaming device of acetate production usefulness to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a defoaming device for producing acetate, which comprises a central tank body, an upper tank body arranged at the top end of the central tank body and an air inlet tank body arranged at the bottom end of the central tank body, the central tank body is connected with the upper tank body and the air inlet tank body through flanges, a feed inlet is arranged on the side surface of the air inlet tank body, a discharge hole is arranged on the side surface of the top end of the upper tank body, an inner isolation plate is arranged around the center in the central tank body, a liquid accumulation groove is formed between the inner isolation plate and the central tank body, a liquid discharge port is arranged on the side surface of the bottom end of the liquid accumulation groove, the bottom end in the inner isolation plate is provided with a filler support plate, the top end in the inner isolation plate is detachably provided with a filler pressing ring, a glass lining filler assembly is arranged between the filler supporting plate and the filler pressing ring, and a buffer device for gas diversion is arranged in the upper tank body;

the buffer device comprises a guide plate fixedly arranged at the top end of the inner part of the upper tank body, the bottom end of the guide plate is rotatably connected with a rotational flow plate assembly, and an airflow channel is arranged between the top end of the guide plate and the inner wall of the upper tank body.

Further, the air inlet tank body is the back taper structure, the feed inlet set up in air inlet tank body side tangential direction.

Furthermore, the discharge port is arranged in the tangential direction of the side surface of the upper tank body and is parallel to the feed port, and the lowest point of the discharge port is higher than the top surface of the guide plate.

Furthermore, the guide plate is back taper tubular structure, and the bottom is sealed, the guide plate with rotate through sealed bearing between the whirl board subassembly and connect.

Furthermore, whirl board subassembly toper form, and the tapering is the same with the guide plate, whirl board subassembly bottom extends to hydrops groove top center.

Furthermore, the top end of the inner separation plate extends to the bottom end of the inner part of the upper tank body, an arc-shaped groove is formed in the outer surface of the top end of the inner separation plate, and the bottom end surface of the cyclone plate component is hemispherical.

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

(1) the utility model discloses be provided with buffer, usable air current spiral impact strikes impulsive force on the blade of whirl board subassembly, make it rotate, simultaneously with the air current under the centrifugal force effect at the liquefied liquid drop of blade surface of whirl board subassembly, flow into hydrops inslot portion and be collected along whirl board subassembly bottom, the air current passes whirl board subassembly along guide plate surface rebound simultaneously, can clear away its inside liquid foam and the catalyst that carries once more, and fall to whirl board subassembly surface down along the guide plate surface, and enter into hydrops inslot portion, can not take place the contact with the updraft, and then can improve gas-liquid separation's efficiency and gas-liquid separation rate, make the defoaming effect better, the normal clear of production has been guaranteed.

(2) The utility model discloses be provided with the air inlet tank body to be provided with the feed inlet along its tangential direction, can make the air current get into the inside spiral air current that can form of the device, and then can improve the rotation efficiency of whirl board subassembly, and then improve and remove the foam efficiency, be provided with the discharge gate simultaneously and parallel with the feed inlet, make it can with the air current flow direction phase-match, and then make things convenient for the discharge of air current, avoid taking place the obstructed condition of air current.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic perspective cross-sectional view of the embodiment of FIG. 1;

FIG. 3 is a side cross-sectional structural view of the embodiment of FIG. 1;

FIG. 4 is a schematic view of the cyclone plate assembly of the embodiment of FIG. 1.

Description of the drawings: 1. a central tank body; 2. feeding the tank body; 3. an air inlet tank body; 4. a feed inlet; 5. a discharge port; 6. an inner barrier panel; 7. a liquid accumulation tank; 8. a filler support plate; 9. packing and pressing a ring; 10. a glass-lined filler component; 11. a baffle; 12. a cyclone plate assembly; 13. a liquid discharge port; 14. an air flow channel.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, a defoaming device for acetate production comprises a central tank 1, the device comprises an upper tank body 2 arranged at the top end of a central tank body 1 and an air inlet tank body 3 arranged at the bottom end of the central tank body 1, wherein the central tank body 1 is connected with the upper tank body 2 and the air inlet tank body 3 through flanges, a feed inlet 4 is arranged on the side surface of the air inlet tank body 3, a discharge outlet 5 is arranged on the side surface of the top end of the upper tank body 2, an inner partition plate 6 is arranged around the center in the central tank body 1, a liquid accumulation groove 7 is formed between the inner partition plate 6 and the central tank body 1, a liquid discharge port 13 is arranged on the side surface of the bottom end of the liquid accumulation groove 7, a filler support plate 8 is arranged at the bottom end in the inner partition plate 6, a filler pressing ring 9 is detachably arranged at the top end in the inner partition plate 6, a glass lining filler assembly 10 is arranged between the filler support plate 8 and the filler pressing ring 9, and a buffer device for guiding air flow is arranged in the upper tank body 2;

buffer includes guide plate 11 fixedly mounted on 2 inside tops of last jar of body, and guide plate 11 bottom is rotated and is connected with whirl board subassembly 12, is provided with airflow channel 14 between guide plate 11 top and the 2 inner walls of last jar of body.

In order to improve the separation efficiency, the air inlet tank body 3 is of an inverted conical structure, and the feed inlet 4 is arranged in the tangential direction of the side face of the air inlet tank body 3, so that air flow enters the inside of the device to form spiral air flow, the rotation efficiency of the spiral flow plate assembly 12 can be improved, and the separation efficiency is improved.

For the discharge of convenient air current, discharge gate 5 sets up in 2 side tangential directions of the last jar of body, and parallels with feed inlet 4 for discharge gate 5 can flow the direction phase-match with the air current, and then makes things convenient for the discharge of air current, avoids taking place the condition that the air current blocked, and the minimum point of discharge gate 5 is higher than the top surface of guide plate 11 simultaneously, can guarantee the abundant defoaming of air current.

Wherein, through being back taper tubular structure with guide plate 11, and the bottom seal, rotate through sealed bearing between guide plate 11 and the whirl board subassembly 12 simultaneously and connect, when avoiding the air current by guide plate 11 bottom discharge, the accessible guide plate 11 carries out the secondary and removes the foam.

Wherein, through with the 12 toper forms of whirl board subassembly, and the tapering is the same with

guide plate

11, 12 bottoms of whirl board subassembly extend to ponding groove 7 top centers simultaneously, can improve the air current area of contact, and then improve the separation efficiency and the separation rate of liquid foam.

In order to conveniently accept the liquid drop process, the top end of the inner isolation plate 6 extends to the bottom end inside the upper tank body 2, an arc-shaped groove is formed in the outer surface of the top end of the inner isolation plate 6, and the bottom end surface of the rotational flow plate component 12 is hemispherical, so that the liquid drop can be conveniently dropped.

To sum up, the utility model provides a defoaming device of acetate production usefulness, in operation, gaseous material gets into from the tangential direction of the air intake jar body 3 through feed inlet 4, and then form the spiral air current in the internal portion of air intake jar, the air current carries out the first defoaming through warding off glass filler subassembly 10 immediately, air current spiral impact is on the blade of whirl board subassembly 12 immediately, whirl board subassembly 12 rotates under the air current impact force simultaneously, the air current liquefies partial foam and liquid composition on the blade surface of whirl board subassembly 12 simultaneously, the liquid drop is under the centrifugal force effect of whirl board subassembly 12 pivoted simultaneously, flow into hydrops 7 inside along whirl board subassembly 12 bottom and be collected, the air current passes whirl board subassembly 12 and moves upwards along guide plate 11 surface simultaneously, can clear away liquid foam and catalyst that its inside carries once more, and fall to whirl board subassembly 12 surface along guide plate 11 surface, and enter into hydrops 7 inside, can not take place the contact with updraft, and then can improve gas-liquid separation's efficiency and gas-liquid separation rate for the defoaming effect is better, discharges by discharge gate 5 through airflow channel 14 at last, gets into next production flow, and the liquid of collecting inside hydrops 7 simultaneously can be handled by discharge outlet 13 discharge.

It should be noted that, in this document, relational terms such as first and second, and the like are 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. The utility model provides a defoaming device of acetate production usefulness, includes central jar of body (1), installs in the last jar of body (2) on central jar of body (1) top and install in the air intake jar of body (3) of central jar of body (1) bottom, its characterized in that: the central tank body (1) is connected with the upper tank body (2) and the air inlet tank body (3) through flanges, a feed inlet (4) is arranged on the side surface of the air inlet tank body (3), a discharge outlet (5) is arranged on the side surface of the top end of the upper tank body (2), an inner isolation plate (6) is arranged in the central tank body (1) in a surrounding manner, a liquid accumulation groove (7) is formed between the inner isolation plate (6) and the central tank body (1), a liquid outlet (13) is arranged on the side surface of the bottom end of the liquid accumulation groove (7), a filler supporting plate (8) is arranged at the bottom end inside the inner isolation plate (6), a packing pressing ring (9) is detachably arranged at the top end inside the inner isolation plate (6), a glass lining filler assembly (10) is arranged between the filler support plate (8) and the filler pressing ring (9), and a buffer device for guiding gas is arranged in the upper tank body (2);

the buffer device comprises a guide plate (11) fixedly installed at the top end inside the upper tank body (2), the bottom end of the guide plate (11) is rotatably connected with a cyclone plate assembly (12), and an airflow channel (14) is arranged between the top end of the guide plate (11) and the inner wall of the upper tank body (2).

2. The defoaming device for the acetate production according to claim 1, wherein the air inlet tank body (3) is of an inverted cone structure, and the feed inlet (4) is arranged in the tangential direction of the side surface of the air inlet tank body (3).

3. The defoaming device for the acetate production according to claim 1, wherein the discharge port (5) is arranged in the tangential direction of the side surface of the upper tank body (2) and is parallel to the feed port (4), and the lowest point of the discharge port (5) is higher than the top surface of the guide plate (11).

4. The defoaming device for acetate production according to claim 1, wherein the guide plate (11) is in an inverted cone-shaped cylindrical structure, the bottom end of the guide plate is sealed, and the guide plate (11) and the swirl plate assembly (12) are rotatably connected through a sealing bearing.

5. The defoaming device for acetate production according to claim 1, wherein the cyclone plate assembly (12) has a conical shape and the same taper as the deflector (11), and the bottom end of the cyclone plate assembly (12) extends to the top center of the liquid collecting tank (7).

6. The defoaming device for the production of acetic ester according to claim 1, wherein the top end of the inner isolation plate (6) extends to the bottom end of the interior of the upper tank body (2), the outer surface of the top end of the inner isolation plate (6) is provided with an arc-shaped groove, and the surface of the bottom end of the cyclone plate component (12) is provided with a hemispherical surface.