CN105833647A - Tower type demister - Google Patents

Abstract

The invention relates to a tower type mist eliminator, comprising: a tower body, a gas distribution plate and a mist removal box. The top of the tower body is provided with an air outlet, and the tower body is provided with an air inlet. The mist enters from the air inlet and is discharged from the air outlet after demisting. The gas distribution plate is fixed inside the tower body above the air inlet; multiple through holes are opened on the gas distribution plate; the defogging box installed inside the tower is located above the gas distribution plate; Drive the defogging box to vibrate up and down. The tower type mist eliminator has simple structure, reasonable installation, is not easy to scale, has good demisting efficiency and is easy to disassemble and clean.

Description

A tower type mist eliminator

technical field

The invention relates to the technical field of mist eliminators, in particular to a tower type mist eliminator.

Background technique

In the prior art, the mist eliminator is mainly placed in the absorption tower to remove the residual particles and liquid droplets in the gas entering the tower body. There are several sections in the existing mist eliminator: blade module, Flushing system, support system and other structural components, the main design defects are: 1. The installation of the mist eliminator is unreasonable and the price is expensive; 2. The surface of the blade is prone to residues of sediment, which will cause fouling and blockage of the mist eliminator. This will lead to the collapse of the demister and damage to other equipment; 3. Too much sediment will also lead to low demist efficiency, and the treated gas will carry too much liquid droplets and particles.

Contents of the invention

The tower-type demister provided by the application solves or partially solves the technical problems of poor demisting effect and easy fouling and clogging in the prior art, and realizes simple structure, reasonable installation and no fouling , The technical effect of good demisting efficiency and convenient disassembly and cleaning.

The application provides a tower mist eliminator, comprising:

The tower body has an air outlet on the top and an air inlet on the tower body;

The gas distribution plate is fixed inside the tower body and located above the air inlet; multiple through holes are opened on the gas distribution plate;

The defogging box is arranged inside the tower and above the gas distribution plate; the defogging box is connected with a vibrating component to drive the defogging box to vibrate up and down.

Preferably, a liquid drain is opened at the bottom of the tower body.

Preferably, the gas distribution plate is a disc-shaped structure;

The plurality of through holes are all corrugated through holes, and all are parallel to the central line of the gas distribution plate.

As preferably, the tower mist eliminator also includes:

The first support ring plate is fixed on the inner wall of the tower body; the gas distribution plate is pressed on the first support ring plate;

A plurality of flanging rods, the bottom of which is fixed on the first support ring plate, and the flanging is inserted into the slot corresponding to the position of the gas distribution plate to fix the gas distribution plate.

As a preference, the number of the flanged rods is specifically 4;

The gas distribution plate has 4 slots evenly arranged on the circumference.

As a preference, the defogging box is a hollow cylinder structure, and a plurality of steel balls are placed inside;

The defogging box is arranged coaxially with the tower body;

A plurality of air holes are opened on the top and bottom surfaces of the defogging box, and the diameter of the air holes is smaller than the diameter of the steel ball.

As preferably, the tower mist eliminator also includes:

The second support ring plate is fixed on the inner wall of the tower body; the vibration component is fixed on the second support ring plate.

Preferably, the vibrating components include:

The motor is fixed on the second support ring plate; the demist box is connected to the output shaft of the motor through an elliptical wheel shaft, and the rotation of the output shaft drives the demist box to vibrate up and down.

Preferably, the number of the motors is two, which are respectively fixed on the second supporting ring plate by bolts.

Preferably, the connection line of the two motors passes through the center of the second support ring plate;

The two motors are respectively connected to the defogging box through the elliptical axle, and drive the defogging box to vibrate up and down through synchronous operation.

One or more technical solutions provided in this application have at least the following technical effects or advantages:

Since the gas distribution plate is installed in the tower body, and the defogging box is set above the gas distribution plate, the vibration component drives the defogging box to vibrate up and down. After the mist is introduced from the air inlet of the tower body, the gas distribution plate carries out Demist for the first time and drain the mist, then the mist continues to rise and is demisted again by the demist box to ensure a good demist effect. And small dust play a disturbing role, effectively prevent fouling and clogging. In this way, the technical problems of poor demisting effect and easy fouling and clogging of the demisting device in the prior art are effectively solved, and the technical effects of simple structure, reasonable installation, difficult scaling, good demisting efficiency and convenient disassembly and cleaning are realized.

Description of drawings

Fig. 1 is the structural representation of the tower type mist eliminator provided by the embodiment of the present invention;

Fig. 2 is a structural representation of the elliptical axle in Fig. 1;

Fig. 3 is a partial sectional view of the defogging box in Fig. 1;

Fig. 4 is a top view of the defogging box in Fig. 1 .

(The components represented by each label in the diagram are: 1 tower body, 2 air inlet, 3 liquid outlet, 4 air outlet, 5 gas distribution plate, 6 first support ring plate, 7 defogging box, 8 motor, 9 oval axle, 10 second support ring plate, 11 flanging rod, 12 steel ball, 13 air hole)

detailed description

The tower-type mist eliminator provided in the embodiment of the present application solves or partially solves the technical problems that the mist removal effect of the mist removal device in the prior art is poor, and it is easy to foul and block. A defogging box is set above the gas distribution plate, and the vibrating parts drive the defogging box to vibrate up and down, achieving the technical effects of simple structure, reasonable installation, not easy to scale, good demisting efficiency and convenient disassembly and cleaning.

Referring to accompanying drawing 1 , the present application provides a tower type mist eliminator, comprising: a tower body 1 , a gas distribution plate 5 and a mist removal box 7 .

The top of the tower body 1 is provided with an air outlet 4, the tower body is provided with an air inlet 2, and the bottom is provided with a liquid discharge outlet 3; the mist enters through the air inlet 2 and is discharged from the air outlet 4 after demisting. The small liquid droplets and small dust are discharged through the liquid discharge port 3.

The gas distribution plate 5 is fixed inside the tower body 1 above the air inlet 2; multiple through holes are opened on the gas distribution plate 5; the gas distribution plate 5 is a disc-shaped structure; the multiple through holes are corrugated cylindrical through holes , and are all parallel to the centerline of the gas distribution plate 5 . The mist with liquid droplets or dust flows into the corrugated cylindrical through hole, and the corrugated cylindrical through hole can demist the mist for the first time, directly remove a part of large liquid droplets or dust, and also perform a good demist on the mist Drainage, to avoid the effect of defogging is not obvious due to excessive mist flow rate.

The defogging box 7 arranged inside the tower body 1 is located above the gas distribution plate 5; the defogging box 7 is connected with vibrating components to drive the defogging box 7 to vibrate up and down. Referring to accompanying drawings 3 and 4, the defogging box 7 is a hollow cylinder structure, and a plurality of steel balls 12 are placed inside; the defogging box 7 and the tower body 1 are coaxially arranged; , the diameter of the air hole 13 is smaller than the diameter of the steel ball 12, the vibrating part makes the defogging box 7 vibrate, and drives the steel ball 12 to move irregularly in the defogging box 7, forming a good turbulence effect.

Among them, when the mist with liquid droplets or dust enters the air inlet 2 of the tower body 1, it first flows through the lower gas distribution plate 5, and the corrugated cylindrical through holes of the gas distribution plate 5 demist the mist for the first time. A part of large liquid droplets or dust is directly removed; after that, the mist continues to rise and flows through the upper demister box 7 for the second defogging. The vibrating part makes the defogging box 7 vibrate up and down, and the vibration plays a good disturbing effect on the small liquid droplets and small dust remaining in the defogging box 7 during the defogging process, so that it flows down along the air hole 13 of the defogging box 7. No residue is produced, and the air hole 13 is kept unblocked. Simultaneously, the vibrating part can also further increase the contact process between the defogging box 7 and the mist to improve the defogging performance.

Further, referring to accompanying drawing 1, the tower mist eliminator also includes: a first support ring plate 6 and a plurality of flanged rods 11; the first support ring plate 6 is fixed on the inner wall of the tower body 1; a gas distribution plate 5 It is pressed on the first supporting ring plate 6 . The bottoms of the plurality of flanging rods 11 are fixed on the first supporting ring plate 6 , and the flanging is inserted into the notch at the corresponding position of the gas distribution plate 5 to fix the gas distribution plate 5 . As a preferred embodiment, the number of flanging rods 11 is four; the gas distribution plate 5 is evenly arranged with four slots on the circumference.

Further, the tower type mist eliminator also includes: a second support ring plate 10 fixed on the inner wall of the tower body 1 by welding; the vibration component is fixed on the second support ring plate 10 .

Further, the vibrating components include: a motor 8, which is fixed on the second support ring plate 10; the defogging box 7 is connected to the output shaft of the motor 8 through an oval wheel shaft 9, and the rotation of the output shaft drives the defogging box 7 to vibrate up and down; The structure of oval axle 9 is referring to accompanying drawing 2. As a preferred embodiment, there are two motors 8, which are respectively fixed on the second supporting ring plate 10 by bolts, so as to ensure the stability of the structure and facilitate disassembly at the same time. The connection line of the two motors 8 passes through the center of the second supporting ring plate 10; the two motors 8 are respectively connected to the defogging box 7 through the oval axle 9, and drive the defogging box 7 to vibrate up and down through synchronous work.

One or more technical solutions provided in this application have at least the following technical effects or advantages:

Since the gas distribution plate 5 is installed in the tower body 1, and the demister box 7 is set above the gas distribution plate 5, the vibration component drives the demist box 7 to vibrate up and down, and the mist is introduced from the air inlet 2 of the tower body 1. Finally, the gas distribution plate 5 demistes the mist for the first time and drains the mist, and then the mist continues to rise and is demisted again by the demisting box 7 to ensure a good demisting effect. The vibration part drives the demisting box 7 up and down Vibration can disturb the small liquid droplets and small dust in the defogging box 7, effectively preventing scaling and clogging. In this way, the technical problems of poor demisting effect and easy fouling and clogging of the demisting device in the prior art are effectively solved, and the technical effects of simple structure, reasonable installation, difficult scaling, good demisting efficiency and convenient disassembly and cleaning are realized.

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a tower demister, it is characterised in that described tower demister includes:

Tower body, top sets out QI KOU, and tower body offers air inlet；

Gas distribution grid, is fixed on inside described tower body, is positioned at above described air inlet；Described gas Multiple through hole is offered on distribution grid；

Except mist box, it is arranged on inside described tower body, is positioned at the top of described gas distribution grid；Described remove Mist box connects vibrating mass, described except mist box up-down vibration to drive.

Tower demister the most as claimed in claim 1, it is characterised in that

The bottom of described tower body offers leakage fluid dram.

Tower demister the most as claimed in claim 1, it is characterised in that

Described gas distribution grid is disc-shaped structure；

Multiple described through holes are all ripple type through hole, and the centrage of the most parallel described gas distribution grid.

Tower demister the most as claimed in claim 3, it is characterised in that described tower demister is also Including:

First supports ring flat-plate, is fixed on the inwall of described tower body；Described gas distribution grid is pressed on described First supports on ring flat-plate；

Multiple flange bars, bottom is fixed on described first and supports on ring flat-plate, and flange inserts described gas and divides The notch of fabric swatch correspondence position, with fixing described gas distribution grid.

Tower demister the most as claimed in claim 4, it is characterised in that

The quantity of described flange bar is specially 4；

Described gas distribution grid is that even circumferential arranges 4 described notches.

Tower demister the most as claimed in claim 1, it is characterised in that

Described except mist box be hollow cylinder structure, internal place multiple steel balls；

Described it is coaxially disposed with described tower body except mist box；

Multiple pore is offered in the described end face except mist box and bottom surface, and the diameter of described pore is less than described steel The diameter of pearl.

Tower demister the most as claimed in claim 1, it is characterised in that described tower demister is also Including:

Second supports ring flat-plate, is fixed on the inwall of described tower body；Described vibrating mass is fixed on described Two support on ring flat-plate.

Tower demister the most as claimed in claim 7, it is characterised in that described vibrating mass includes:

Motor, is fixed on described second and supports on ring flat-plate；It is described except mist box is by oval wheel shaft and institute The output shaft stating motor connects, and described output shaft rotation drives described except mist box up-down vibration.

Tower demister the most as claimed in claim 8, it is characterised in that

The quantity of described motor is two, is bolted on described second respectively and supports on ring flat-plate.

Tower demister the most as claimed in claim 9, it is characterised in that

The line of two described motors is through described second center of circle supporting ring flat-plate；

Two described motors connect described except mist box, by synchronizing work respectively by described oval wheel shaft Make drive described except mist box up-down vibration.