CN115738981A - Reaction kettle for ethyl ester - Google Patents

Abstract

The invention provides a reactor for ethyl ester, which comprises an ethyl ester reactor body, the lower bolt of the ethyl ester reactor body is fixed with an ethyl ester reactor distributor, and the lower part of the ethyl ester reactor distributor is welded with Reactor support, the outlet of the lower part of the ethyl ester reactor distributor is threadedly fixed with a discharge valve; the upper bolt of the ethyl ester reactor body is connected with an ethyl ester reactor top cover, it is characterized in that the ethyl ester reactor The inner lower part of the ester reactor body is equipped with a bottom detachable support assembly, and the inner side of the ethyl ester reactor body is placed with a self-cleaning reaction leaf assembly. The beneficial effects of the present invention are: through the setting of the hollow rotating shaft, the screw auger blade, the leak hole, the hollow extension pipe and the one-way water outlet valve, it is beneficial to stir the ethyl ester up and down during the reaction to improve the mixing effect, and the water source is directly sprayed during cleaning To the inside of the reactor, there is no need to disassemble and clean the reactor.

Description

A reaction kettle for ethyl ester

technical field

The invention belongs to the technical field of ethyl ester reactors, in particular to an ethyl ester reactor.

Background technique

The esterification method is often used in the preparation of ethyl acetate. The raw materials acetic acid and ethanol are added to the esterification reaction kettle, and the esterification reaction is carried out under constant stirring at a certain temperature. The existing patent application number is CN202020298873.6 An ethyl acetate reaction kettle, the lower part of the reaction kettle is provided with an ethanol feed port, an acetic acid feed port and a sulfuric acid feed port, and the upper part is provided with a discharge port. Chamber for ethyl ester reaction. The reaction kettle also includes a stirring shaft and a plurality of baffles, and the stirring shaft is installed in the cavity through an installation hole opened on the top of the ethyl acetate reaction kettle. Wherein, above the installation hole, there is a driving device for driving the rotation of the stirring shaft, which consumes a large amount of water when cleaning the inside of the reactor, resulting in waste of resources, and the stirring blade needs to be removed when cleaning, which is cumbersome.

Contents of the invention

In view of the above technical problems, the present invention provides an ethyl ester reaction kettle, in which an extended cleaning pipe is arranged inside to clean the inner side of the reaction kettle without disassembly and cleaning.

Its technical scheme is as follows: a reaction kettle of ethyl ester comprises an ethyl ester reactor body, the lower bolt of the ethyl ester reactor body is fixed with an ethyl ester reactor distributor, and the ethyl ester reactor distributor The bottom of the reactor is welded with a reactor bracket, and the lower outlet of the ethyl ester reactor distributor is screwed with a discharge valve; the upper bolt of the ethyl ester reactor still body is connected with an ethyl ester reactor top cover, which is characterized in that, The inner lower part of the ethyl ester reactor body is equipped with a bottom dismantling support assembly, and the inner side of the ethyl ester reactor body is placed with a self-cleaning reaction leaf assembly; the upper part of the ethyl ester reactor top cover is fixed with a rotating The connector assembly and the driving motor are equipped with bevel gears on the upper part of the self-cleaning reaction leaf assembly.

Preferably, the self-cleaning reaction vane assembly includes a hollow rotating shaft, the outer side of the hollow rotating shaft is welded with auger leaves and hollow extension tubes, the inner side of the auger leaves is provided with holes, and the hollow extension tube The end and the upper part are inlaid with one-way water outlet valves respectively.

Preferably, the rotary connector assembly includes a rotary joint, the right side of the rotary joint is threaded with a threaded guide tube, the outer side of the threaded guide tube is sleeved with an outer sleeve, and the lower part of the outer sleeve is welded with a Fixed bracket.

Preferably, the bottom detachable support assembly includes a bottom sealing plate, a blanking hole is opened on the inner side of the bottom sealing plate, a rotating sealing gasket is glued to the inner upper part of the bottom sealing plate, and the center position of the inner side of the bottom sealing plate is The position interference connection has a fixed bearing, and the lower center position bolt of the bottom sealing disc is fixed with a sealing end cover.

Preferably, the drive motor is bolted to the upper left side of the top cover of the ethyl ester reactor, and the bevel gear is located at the upper part of the top cover of the ethyl ester reactor.

Preferably, there are multiple hollow extension tubes, and the auger leaves and the hollow extension tubes are spaced apart from each other.

Preferably, the inner side of the hollow extension tube communicates with the inner side of the hollow rotating shaft, and the opening of the hollow rotating shaft is set upward.

Preferably, the upper part of the hollow rotating shaft runs through the inner side of the top cover of the ethyl ester reactor and extends to the upper middle position of the top cover of the ethyl ester reactor.

Compared with prior art, the beneficial effect of the present invention is:

1. In the present invention, the setting of the hollow rotating shaft, the screw auger blade, the leak hole, the hollow extension pipe and the one-way water outlet valve is conducive to stirring the ethyl ester up and down during the reaction to improve the mixing effect, and the water source is directly connected during cleaning. Spray to the inside of the reactor, no need to disassemble and clean the reactor.

2. In the present invention, the arrangement of the rotary joint, the threaded guide pipe, the outer casing and the fixed bracket is conducive to sending the external cleaning water source into the inner side of the reaction kettle, and cooperates with the rotating hollow extension pipe to improve cleaning. Effect.

3. In the present invention, the arrangement of the bottom sealing plate, the blanking hole, the rotating sealing gasket, the fixed bearing and the sealing end cover is beneficial to limit the position of the lower part of the hollow rotating shaft, and does not affect the normal operation of the hollow rotating shaft. rotate.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a schematic structural view of the self-cleaning reaction vane assembly of the present invention.

Fig. 3 is a schematic structural view of the rotary connector assembly of the present invention.

Fig. 4 is a schematic structural view of the bottom detachable support assembly of the present invention.

In the picture:

1. The body of the ethyl ester reactor; 2. The distributor of the ethyl ester reactor; 3. The bracket of the reactor; 4. The discharge valve; 5. The top cover of the ethyl ester reactor; Sealing disc; 62, blanking hole; 63, rotating sealing gasket; 64, fixed bearing; 65, sealing end cover; 7, self-cleaning reaction leaf assembly; 71, hollow rotating shaft; Hole; 74, hollow extension pipe; 75, one-way water outlet valve; 8, rotary connector assembly; 81, rotary joint; 82, threaded guide tube; 83, outer sleeve; 84, fixed bracket; 9, bevel gear ; 10. Driving motor.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing:

Example:

As shown in accompanying drawing 1, a kind of reactor of ethyl ester comprises ethyl ester reactor body 1, and the lower bolt of described ethyl ester reactor body 1 is fixed with ethyl ester reactor distributor 2, ethyl ester reaction The lower part of the reactor distributor 2 is welded with a reactor bracket 3, and the lower outlet of the ethyl ester reactor distributor 2 is threadedly fixed with a discharge valve 4; the upper bolt of the ethyl ester reactor body 1 is connected with an ethyl ester reactor Kettle top cover 5, it is characterized in that, the inner lower part of described ethyl ester reactor still body 1 is equipped with bottom just to dismantle support assembly 6, and the inner side of ethyl ester reactor still body 1 is placed with self-cleaning reaction leaf assembly 7; A rotating connector assembly 8 and a drive motor 10 are fixed on the top of the ethyl ester reaction kettle top cover 5 , and a bevel gear 9 is installed on the top of the self-cleaning reaction vane assembly 7 .

In the above embodiment, specifically, there are two bevel gears 9, which are respectively keyed to the upper part of the hollow rotating shaft 71 and the right side of the output shaft of the drive motor 10, and the two bevel gears 9 mesh with each other.

In the above embodiment, specifically, the lower part of the rotary joint 81 is screwed to the upper part of the hollow rotary shaft 71 , and the inner side of the rotary joint 81 communicates with the inner side of the hollow rotary shaft 71 .

In the above embodiment, specifically, the rotary joint 81 is located on the right side of the drive motor 10 , and the lower part of the fixed bracket 84 is bolted to the upper part of the ethyl ester reactor top cover 5 .

In the above embodiment, specifically, the bottom sealing plate 61 is bolted to the inner lower part of the ethyl ester reactor body 1, and the upper part of the bottom sealing plate 61 is inclined to the lower right.

In the above embodiment, specifically, the lower part of the hollow rotating shaft 71 penetrates through the rotating sealing pad 63 and is in interference connection with the inner ring of the fixed bearing 64 .

working principle

Working principle of the present invention: the external power supply supplies power to the driving motor 10, the driving motor 10 drives the hollow rotating shaft 71 to rotate through the bevel gear 9, the screw auger blade 72 rotates following the rotation of the hollow rotating shaft 71, and then the ethyl ester reacts The materials used are poured into the inner side of the ethyl ester reaction kettle body 1 through the feed port, and the mixed reaction is carried out. When cleaning the inner side, the external water pipe and the right side of the threaded guide pipe 82 are threaded together, and the water source passes through the threaded guide pipe. The through pipe 82 and the rotary joint 81 enter the inner side of the hollow rotating shaft 71, and the hollow rotating shaft 71 guides the water source to the inner side of the hollow extension pipe 74, and finally sprays out through the one-way water outlet valve 75, and the rotating hollow extension pipe 74 can transfer the water source to the inner side of the hollow extension pipe 74. Spray on the inner side of the ethyl ester reactor body 1 to clean the inner side of the ethyl ester reactor body 1. When disassembling and maintaining the self-cleaning reaction leaf assembly 7, it is necessary to first react the ethyl ester reactor body 1 with ethyl ester. The kettle distributor 2 is separated, and then the sealing end cover 65 is removed from the lower part of the bottom sealing plate 61, and then the fixed bearing 64 is separated from the lower part of the hollow rotating shaft 71, and the self-cleaning reaction vane assembly 7 is separated.

Utilize the technical solution described in the present invention, or those skilled in the art design a similar technical solution under the inspiration of the technical solution of the present invention, and achieve the above-mentioned technical effect, all fall into the protection scope of the present invention.

Claims (8)

1. a reaction still of ethyl ester, the reaction still of this ethyl ester comprises ethyl ester reaction still body (1), and the lower bolt of described ethyl ester reaction still body (1) is fixed with ethyl ester reaction still distribution device (2), the bottom of the ethyl ester reactor distributor (2) is welded with a reactor bracket (3), and the lower outlet of the ethyl ester reactor distributor (2) is screwed with a discharge valve (4); The upper bolt of the ethyl ester reactor still body (1) is connected with the ethyl ester reactor top cover (5), it is characterized in that, the inner lower part of the ethyl ester reactor still body (1) is equipped with a bottom just to dismantle the support Assemblies (6), self-cleaning reaction leaf assemblies (7) are placed on the inside of the ethyl ester reactor body (1); the upper part of the ethyl ester reactor top cover (5) is fixed with a rotary connector assembly (8) And driving motor (10), bevel gear (9) is installed on the top of self-cleaning reaction vane assembly (7). 2. The reaction still of ethyl ester as claimed in claim 1, is characterized in that, described self-cleaning reaction vane assembly (7) comprises hollow rotating shaft (71), and the outer side of described hollow rotating shaft (71) is welded There are helical auger leaves (72) and hollow extension pipes (74), the inner side of the auger auger leaves (72) is provided with loopholes (73), and the end and upper part of the hollow extension pipes (74) are inlaid with one-way water outlets respectively. valve (75). 3. The reactor of ethyl ester as claimed in claim 1, is characterized in that, described rotary connector assembly (8) comprises rotary joint (81), and the right side of described rotary joint (81) is threadedly connected with The threaded guide pipe (82), the outside of the threaded guide pipe (82) is sleeved with an outer sleeve (83), and the bottom of the outer sleeve (83) is welded with a fixed bracket (84). 4. The reaction kettle of ethyl ester as claimed in claim 1, characterized in that, the bottom of the detachable support assembly (6) comprises a bottom sealing plate (61), and the inner side of the bottom sealing plate (61) is opened There is a blanking hole (62), the inner upper part of the bottom sealing plate (61) is glued with a rotating gasket (63), the inner center position of the bottom sealing plate (61) is interference-connected with a fixed bearing (64), and the bottom seal The lower center position bolt of the disc (61) is fixed with a sealing end cover (65). 5. the reactor of ethyl ester as claimed in claim 1, is characterized in that, described driving motor (10) bolt is connected on the left side of the top of ethyl ester reactor top cover (5), and described bevel gear (9) is positioned at the top of ethyl ester reactor top cover (5). 6. the reaction kettle of ethyl ester as claimed in claim 2, is characterized in that, described hollow extension pipe (74) is provided with a plurality of, and screw auger blade (72) and hollow extension pipe (74) are mutually spaced set up. 7. the reactor of ethyl ester as claimed in claim 2 is characterized in that, the inner side of described hollow extension pipe (74) communicates with the inner side of hollow rotating shaft (71), and hollow rotating shaft (71) opening Set facing upwards. 8. the reactor of ethyl ester as claimed in claim 2, is characterized in that, the top of described hollow rotating shaft (71) runs through the inboard of ethyl ester reactor top cover (5), extends to ethyl ester reactor top The upper middle position of the cover (5).

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