CN211097601U

CN211097601U - Novel chemical industry rectification device

Info

Publication number: CN211097601U
Application number: CN201921180894.1U
Authority: CN
Inventors: 周惠
Original assignee: Ningxia Woda Chemical Co ltd
Current assignee: Ningxia Woda Chemical Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-07-28
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to the technical field of a rectifying tower, in particular to a novel chemical rectifying device, which comprises a rectifying tower main body, wherein the outer side of the rectifying tower main body is sequentially provided with a tower top gas port, a backflow port, a feed inlet and a tower kettle gas inlet from top to bottom, an upper packing layer and a lower packing layer are arranged between the backflow port and the inner side of the tower kettle gas inlet, a pore filter plate is arranged between one side of the upper packing layer, one side of the lower packing layer is provided with a rotating rod, the outer side of the circumference of the rotating rod is provided with a plurality of activated carbon adsorption blades, one side of the rectifying tower main body is fixedly provided with a mounting frame, one side of the mounting frame is provided with a recovery filter screen, one side of the recovery filter screen is provided with a rectifying box, one side of the rectifying box is provided with a rebound collision device, and through the improvement of the utility, is suitable for popularization.

Description

Novel chemical industry rectification device

Technical Field

The utility model relates to a rectifier unit technical field especially relates to a novel chemical industry rectification device.

Background

With the development and progress of the chemical industry, people have more and more abundant extraction means for chemical raw materials. As is known, the rectification technology can purify two required liquid phase substances from liquid azeotrope components, and the main principle is to utilize the difference of volatility between the components, and a packed rectification tower utilizes the point, so that the contact area of atmosphere and liquid phases is increased on a packing layer, thereby accelerating the mass transfer speed between the components, enabling the two components to be extracted, and the method has higher separation degree of the two-phase substances and can meet the general requirements. However, it has been observed that many packed columns, especially those employing random packing, have a high level of impurities in the bottoms after extended use. The reason is as follows: firstly, impurities contained in the feeding azeotrope liquid are not purified before entering the tower plate; and secondly, in the two-phase interphase mass transfer process, the scattered packing layer falls off or aggregates are carried out. This results in poor rectification performance of the rectification column, which may result in impure extract, which may affect the production or the next process. Therefore, the utility model provides a novel chemical rectification device solves the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the tower bottom product contains more impurities in the prior art and providing a novel chemical rectification device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel chemical rectification device is designed, comprising a rectification tower main body, wherein a tower top gas port, a backflow port, a feed inlet and a tower kettle gas inlet are sequentially arranged on the outer side of the rectification tower main body from top to bottom, an upper packing layer and a lower packing layer for improving the two-phase mass transfer speed are fixedly arranged between the inner sides of the backflow port opposite to the tower kettle gas inlet, a pore filter plate for filtering particle impurities is arranged between one side of the upper packing layer opposite to the feed inlet, a cylindrical rotating rod is arranged between one side of the lower packing layer opposite to the feed inlet, a plurality of activated carbon adsorption blades are arranged on the circumferential outer side of the rotating rod, a circular ring-shaped mounting frame is fixedly arranged on one side of the rectification tower main body opposite to the tower kettle gas inlet, a recovery filter screen is fixedly arranged on one side of the mounting frame opposite to the tower kettle gas inlet through glue joint, and a rectification, the inside of fine filter box is filled and is equipped with a plurality of gel particles, fine filter box with be equipped with the resilience collision device that increases adsorption efficiency between one side that the mounting bracket is relative.

Preferably, the collision device that kick-backs include the rigid coupling in a plurality of cylindricality sleeve pipe of mounting bracket one side, the sleeve pipe be equipped with rather than assorted piston rod, fine filter cartridge with fixed being equipped with between the relative one side of mounting bracket twine in the pressure regulating spring in the piston rod circumference outside, a plurality of the sleeve pipe is the angle such as and equally divides the range.

The active carbon adsorption blade is the equal angle and equally divides the range, one side of pore filter plate is equipped with a plurality of equidistance and equally divides the thin sieve mesh of straining of range, the outside of fine filter box is equipped with a plurality of equidistance and equally divides the contact hole, the bottom of retrieving the filter screen is equipped with the export of cauldron liquid, go up the packing layer with the upper end of packing layer all is equipped with the clamp plate that packs down, go up the packing layer with the lower extreme of packing layer all is equipped with the support frame down, the export of cauldron liquid is equipped with the reboiler through flange joint, the top of the tower gas port is equipped with the condenser through flange joint, the fixed a plurality of water conservancy diversion strip that is equipped with equal angle and equally divides in one side of pore filter plate, be equipped with.

The utility model provides a pair of novel chemical industry is rectified device, beneficial effect lies in: the fine-hole filter plate is arranged between the feed port and the upper packing layer, so that gas-phase suspended particle impurities in the feed can be effectively filtered, the flow guide strip and the flow guide hole are arranged on one side, part of liquid-phase substances which are difficult to volatilize are changed in flow direction under the action of the flow guide hole, so that the gas purity on the top of the tower is higher, and meanwhile, the active carbon adsorption blades are arranged at the feed port, and can rotate within a certain range under the action of rising reboiling gas to absorb large-particle impurities in the feed liquid; furthermore, the fine filtration box and the gel particles are arranged at the outlet of the tower kettle, the contact holes can be used for effectively adsorbing impurities such as filler and the like through the liquid phase of the filler layer, the filler impurities are recovered by purifying the recovered filter screen, the purity of the tower bottom product is effectively improved, the whole structure is simple and practical, and the tower bottom product is suitable for popularization.

Drawings

Fig. 1 is a schematic structural diagram of a novel chemical rectification device provided by the utility model;

FIG. 2 is a schematic diagram of a cross-sectional structure of a novel chemical rectification device provided by the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the device comprises a rectifying tower main body 1, a tower top air port 2, a reflux port 3, a feed inlet 4, a tower kettle air inlet 5, an upper packing layer 6, a lower packing layer 7, a pore filter plate 8, an activated carbon adsorption blade 9, a fine filtration box 10, a recovery filter screen 11, gel particles 12, a piston rod 14, a sleeve 15, a pressure regulating spring 16, a mounting frame 17 and a rebound collision device 18.

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.

Referring to fig. 1-3, a novel chemical rectification device comprises a rectification tower main body 1, wherein a tower top gas port 2, a reflux port 3, a feed port 4 and a tower kettle gas inlet 5 are sequentially arranged on the outer side of the rectification tower main body 1 from top to bottom, an upper packing layer 6 and a lower packing layer 7 for improving the two-phase mass transfer speed are fixedly arranged between the inner sides of the reflux port 3 opposite to the tower kettle gas inlet 5, the upper packing layer 6 adopts corrugated regular packing with high specific surface area and low pressure drop, a fine-hole filter plate 8 for filtering fine particle impurities is arranged between one side of the upper packing layer 6 opposite to the feed port 4, the gas suspended matter impurities at the feed port 4 are effectively filtered and removed, a cylindrical rotating rod is arranged between one side of the lower packing layer 7 opposite to the feed port 4, a plurality of activated carbon adsorption blades 9 are arranged on the outer side of the circumference of the rotating rod, a circular ring-shaped mounting rack 17, mounting bracket 17 adopts corrosion-resistant alloy steel material, mounting bracket 17 is fixed with through gluing with one side that tower cauldron air inlet 5 is relative and retrieves filter screen 11, it is equipped with smart filter box 10 to retrieve one side that filter screen 11 kept away from mounting bracket 17, the inside of smart filter box 10 is filled and is equipped with a plurality of gel granules 12, be equipped with resilience collision device 18 that condenses with higher speed between the relative one side of smart filter box 10 and mounting bracket 17, the contact and the collision of gel granules 12 and export liquid phase in the effectual increase rectification box 10 of setting up of resilience collision device 18, can realize better adsorption effect.

The utility model discloses in, resilience collision device 18 includes a plurality of cylindricality sleeve pipe 15 of rigid coupling in mounting bracket 17 one side, sleeve pipe 15 is equipped with rather than assorted piston rod 14, the fine filtration box 10 is fixed with the pressure regulating spring 16 of twining in the 14 circumference outsides of piston rod between one side relative with mounting bracket 17, a plurality of sleeve pipe 15 is the equal angle and equally divide the range, piston rod 14 and pressure regulating spring 16's setting provides certain resilience force, the inside little collision of effectual increase liquid, thereby contact many times, realize better absorption and filter, make extract purity higher.

Active carbon adsorption blade 9 is the equal angle and equally divides the range, one side of pore filter plate 8 is equipped with a plurality of equidistance and equally divides the thin sieve mesh of arranging, the outside of fine filter box 10 is equipped with a plurality of equidistance and equally divides the contact hole, the bottom of retrieving filter screen 11 is equipped with the export of cauldron liquid, it all has the clamp plate to go up the upper end of packing layer 6 and lower packing layer 7, it all is equipped with the support frame to go up the lower extreme of packing layer 6 and lower packing layer 7, the export of cauldron liquid is equipped with the reboiler through flange joint, top of the tower gas port 2 is equipped with the condenser through flange joint, the fixed a plurality of water conservancy diversion strip that is equipped with equal angle and equally divides in one side of pore filter plate 8, be equipped with a drainage hole between the relative inboard of water conservancy diversion.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A novel chemical rectification device comprises a rectification tower main body (1), wherein a tower top gas port (2), a backflow port (3), a feed inlet (4) and a tower kettle gas inlet (5) are sequentially arranged on the outer side of the rectification tower main body (1) from top to bottom, an upper packing layer (6) and a lower packing layer (7) which are used for improving the two-phase mass transfer speed are fixedly arranged between the backflow port (3) and the inner side opposite to the tower kettle gas inlet (5), the chemical rectification device is characterized in that a fine hole filter plate (8) used for filtering fine particle impurities is arranged between the upper packing layer (6) and one side opposite to the feed inlet (4), a cylindrical rotating rod is arranged between the lower packing layer (7) and one side opposite to the feed inlet (4), a plurality of activated carbon adsorption blades (9) are arranged on the outer side of the circumference of the rotating rod, a circular ring-shaped mounting rack (17) is fixedly arranged on one side opposite to the rectification tower kettle gas, mounting bracket (17) with one side that tower cauldron air inlet (5) is relative is fixed to be equipped with through gluing and retrieves filter screen (11), retrieve filter screen (11) and keep away from one side of mounting bracket (17) is equipped with smart cartridge (10), the inside packing of smart cartridge (10) is equipped with a plurality of gel particles (12), smart cartridge (10) with be equipped with resilience collision device (18) that increase adsorption efficiency between one side that mounting bracket (17) is relative.

2. The novel chemical rectification device according to claim 1, characterized in that the rebound collision device (18) comprises a plurality of cylindrical sleeves (15) fixedly connected to one side of the mounting frame (17), the sleeves (15) are provided with piston rods (14) matched with the sleeves, pressure regulating springs (16) wound on the outer sides of the circumferences of the piston rods (14) are fixedly arranged between one side of the fine filtering box (10) opposite to the mounting frame (17), and the sleeves (15) are arranged at equal angles and are uniformly distributed.

3. The novel chemical rectification device according to claim 1, characterized in that the activated carbon adsorption blades (9) are equally divided at equal angles, one side of the fine-hole filter plate (8) is provided with a plurality of equally-spaced fine filter screen holes, the outer side of the fine filter box (10) is provided with a plurality of equally-spaced contact holes, the bottom of the recovery filter screen (11) is provided with a kettle liquid outlet, the upper packing layer (6) and the upper end of the lower packing layer (7) are provided with packing press plates, and the lower ends of the upper packing layer (6) and the lower packing layer (7) are provided with support frames.

4. A novel chemical rectification device as claimed in claim 3 wherein the kettle outlet is provided with a reboiler via flange connection, the tower top gas port (2) is provided with a condenser via flange connection, one side of the fine pore filter plate (8) is fixedly provided with a plurality of uniform and evenly divided guide strips, and a drainage hole is arranged between the opposite inner sides of the guide strips.