CN215464357U - Methyl acetate production esterification synthesizer - Google Patents

Abstract

The utility model discloses an esterification synthesis device for methyl acetate production, which comprises a synthesis kettle, a first synthesis and mixing unit, a driving unit and a second synthesis and mixing unit; a synthesis kettle: a discharge pipe is arranged at a discharge port at the lower end of the outer cambered surface of the synthesis kettle, an opening and closing valve is connected in series inside the discharge pipe, and a pressure release valve is arranged at a pressure release port at the upper end of the outer cambered surface of the synthesis kettle; synthesizing and uniformly mixing unit I: is arranged inside the synthesis kettle; a drive unit: the driving unit is fixedly connected with the first synthesis blending unit; synthesizing a second blending unit: set up in the extrados bottom of synthetic cauldron, synthetic mixing unit two and synthetic mixing unit fixed connection, this methyl acetate production synthesizer of esterifying, the methyl acetate that significantly reduces is long when the synthesis of esterifying required, and the demand of high-efficient quick esterification when the methyl acetate production is satisfied in the setting of multiple mixing synthesis unit, has improved the quality of product.

Description

Methyl acetate production esterification synthesizer

Technical Field

The utility model relates to the technical field of methyl acetate production and synthesis, in particular to an esterification synthesis device for methyl acetate production.

Background

Methyl acetate is generally used for replacing acetone, butanone, ethyl acetate, cyclopentane and the like, and has gradually become a mature product internationally, and during production, esterification synthesis reaction is required to be carried out, so that methyl acetate can be widely applied to various fields;

at present, in the existing esterification synthesis device for producing methyl acetate, materials which are added sequentially or simultaneously are stirred and mixed by adopting a stirring sheet, so that the purpose of synthesis is achieved;

the existing esterification synthesis device for methyl acetate production is long in time required by the methyl acetate during esterification synthesis, a uniform mixing synthesis unit is single, the requirement of efficient and rapid esterification of the methyl acetate during production cannot be met, and the quality of products cannot be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides an esterification synthesis device for producing methyl acetate, which greatly reduces the time required by the esterification synthesis of the methyl acetate and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: an esterification synthesis device for methyl acetate production comprises a synthesis kettle, a first synthesis and mixing unit, a driving unit and a second synthesis and mixing unit;

a synthesis kettle: a discharge pipe is arranged at a discharge port at the lower end of the outer cambered surface of the synthesis kettle, an opening and closing valve is connected in series inside the discharge pipe, and a pressure release valve is arranged at a pressure release port at the upper end of the outer cambered surface of the synthesis kettle;

synthesizing and uniformly mixing unit I: is arranged inside the synthesis kettle;

a drive unit: the driving unit is fixedly connected with the first synthesis blending unit;

synthesizing a second blending unit: set up in the extrados bottom of synthetic cauldron, synthetic mixing unit two and synthetic mixing unit one fixed connection, the methyl acetate that significantly reduces is when the synthesis of esterifying required duration, and the demand of high-efficient quick esterification has improved the quality of product when the methyl acetate production is satisfied in the setting of multiple mixing synthetic unit.

Further, synthetic mixing unit one includes rotary drum, mixing frame, bull stick, arc and fixed oar piece, the rotary drum rotates through sealed bearing one and connects in the top middle part of synthetic cauldron to change downtheholely, the extrados of rotary drum is equipped with evenly distributed's mixing frame, the intrados of rotary drum rotates and is connected with the bull stick, the lower extreme of bull stick passes through sealed bearing two and is connected with the bottom middle part of synthetic cauldron to change the downthehole rotation, the bottom of bull stick extends to the outside of synthetic cauldron, the extrados lower extreme of bull stick is equipped with evenly distributed's arc, the plate body upper end medial surface of arc all is equipped with fixed oar piece, and then the methyl acetate that significantly reduces is required when esterifying the synthesis when long.

Furthermore, the outer arc surface of the synthesis kettle is provided with a control switch, and the input end of the control switch is electrically connected with an external power supply to regulate and control the operation of each electrical element.

Further, drive unit includes mounting bracket, motor, drive gear and tooth disc one, the mounting bracket sets up in the extrados top of synthetic cauldron, is equipped with the motor in the upper end mounting groove of mounting bracket, and the output shaft left side of motor is equipped with drive gear, and the extrados upper end of rotary drum and bull stick all is equipped with tooth disc one, and two tooth disc one all are connected with drive gear meshing, and the input electricity connection control switch's of motor output, and then reach quick driven purpose.

Further, synthetic mixing unit two includes tooth chain wheel two, rotates post, driven gear and paddle, tooth chain wheel two sets up in the bottom face of bull stick, rotates the post and rotates respectively through three rotation connection in the bull stick that synthetic cauldron extrados bottom symmetry set up of sealed bearing, and the outside end of rotating the post all is equipped with driven gear, and driven gear all is connected with two meshing of tooth chain wheel, and the inboard end of rotating the post all is equipped with the paddle, the demand of high-efficient quick esterification when satisfying methyl acetate production.

Furthermore, the feeding pipe is arranged at the feeding port at the top end of the outer arc surface of the synthesis kettle, and the feeding pipe plays a role in connecting and conveying materials.

Furthermore, the lower end of the outer arc surface of the rotary drum is rotatably connected with unpowered paddles which are uniformly distributed through a rotating shaft, so that methyl acetate is more fully fused during esterification synthesis.

Further, the outer cambered surface lower extreme of synthetic cauldron is equipped with evenly distributed's supporting leg, and the bottom of supporting leg all is equipped with the plectane, has increased the area of supporting leg and work area contact.

Compared with the prior art, the utility model has the beneficial effects that: this methyl acetate production synthesis device of esterifying has following benefit:

1. the working personnel regulates and controls the operation of the motor through the control switch, the output shaft of the motor rotates to drive the driving gear to rotate, the driving gear drives the two toothed discs to rotate oppositely at the same amplitude and the same time, the two toothed discs drive the rotary drum and the rotary rod to rotate at the same amplitude and the same time through transmission, thereby achieving the purpose of quick transmission, the rotating cylinder rotates to drive the blending frame and the unpowered paddle to rotate at the same amplitude, thereby mixing the materials in the synthesis kettle uniformly, the unpowered paddle is driven to rotate, receive the damping autogyration of fluidum to produce the vortex, make methyl acetate more abundant integration when the synthesis of esterifying, the bull stick rotates opposite direction with the rotary drum, and the bull stick drives mixing frame and fixed oar piece simultaneously with range rotation, and mixing frame and fixed oar piece stir the inside material of synthetic cauldron, and then the methyl acetate that significantly reduces is when the synthesis of esterifying required length of time.

2. The rotatory tooth dish two rotations of driving of bull stick, two rotatory two driven gear of driving of tooth dish rotate with the range simultaneously, and driven gear rotates and drives rotation post and paddle rotate with the range simultaneously, and the paddle is rotatory to play the effect of stirring to the inside material of synthetic cauldron, and the demand of high-efficient quick esterification when satisfying methyl acetate production has improved the quality of product to the setting of the synthetic unit of multiple mixing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a first synthesizing and blending unit of the present invention.

In the figure: the device comprises a synthesis kettle 1, a feeding pipe 2, a discharging pipe 3, an opening and closing valve 4, a pressure release valve 5, a synthesis blending unit I6, a rotating cylinder 61, a blending frame 62, a rotating rod 63, an arc plate 64, a fixed blade 65, an unpowered blade 7, a driving unit 8, an installation frame 81, a motor 82, a driving gear 83, a tooth wheel I84, a synthesis blending unit II 9, a tooth wheel II 91, a rotating column 92, a driven gear 93, a blade 94, supporting legs 10, a circular plate 11 and a control switch 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: an esterification synthesis device for methyl acetate production comprises a synthesis kettle 1, a first synthesis and mixing unit 6, a driving unit 8 and a second synthesis and mixing unit 9;

synthesis kettle 1: the synthesis kettle 1 provides an installation place, a discharge pipe 3 is arranged at a discharge port at the lower end of the outer cambered surface of the synthesis kettle, the discharge pipe plays a role of discharging materials after esterification synthesis, an opening-closing valve 4 is connected in series inside the discharge pipe 3 to play a role of opening and closing, and a pressure release valve 5 is arranged at a pressure release port at the upper end of the outer cambered surface of the synthesis kettle 1, so that dangerous things caused by overlarge internal pressure of the synthesis kettle 1 are avoided;

synthesizing a first mixing unit 6: arranged inside the synthesis kettle 1, the first synthesis mixing unit 6 comprises a rotary drum 61, a mixing frame 62, a rotary rod 63, an arc-shaped plate 64 and a fixed paddle 65, the rotary drum 61 is rotatably connected in a rotary hole at the top middle part of the synthesis kettle 1 through a first sealing bearing, the outer arc surface of the rotary drum 61 is provided with the mixing frame 62 which is uniformly distributed, the inner arc surface of the rotary drum 61 is rotatably connected with the rotary rod 63, the lower end of the rotary rod 63 is rotatably connected with the rotary hole at the bottom middle part of the synthesis kettle 1 through a second sealing bearing, the bottom end of the rotary rod 63 extends to the outside of the synthesis kettle 1, the lower end of the outer arc surface of the rotary rod 63 is provided with the arc-shaped plate 64 which is uniformly distributed, the inner side surface at the upper end of the plate body of the arc-shaped plate 64 is provided with the fixed paddle 65, the rotary drum 61 rotates to drive the mixing frame 62 and the unpowered paddle 7 to rotate at the same time and at the same amplitude, thereby performing mixing operation on the material inside the synthesis kettle 1, the unpowered paddle 7 is rotated and then, disturbed flow is generated by damping self-rotation of fluid, so that methyl acetate is more fully fused during esterification synthesis, the rotating direction of the rotating rod 63 is opposite to that of the rotating cylinder 61, the rotating rod 63 drives the blending frame 62 and the fixed blades 65 to simultaneously rotate at the same amplitude, and the blending frame 62 and the fixed blades 65 stir materials in the synthesis kettle 1, so that the time required by the methyl acetate during esterification synthesis is greatly reduced;

the drive unit 8: the automatic feeding device is arranged at the top end of an outer arc surface of a synthesis kettle 1, a driving unit 8 is fixedly connected with a first synthesis blending unit 6, the driving unit 8 comprises an installation frame 81, a motor 82, a driving gear 83 and a first tooth disc 84, the installation frame 81 is arranged at the top end of the outer arc surface of the synthesis kettle 1, the motor 82 is arranged in an installation groove at the upper end of the installation frame 81, the left side of an output shaft of the motor 82 is provided with the driving gear 83, the upper ends of the outer arc surfaces of a rotary drum 61 and a rotary rod 63 are respectively provided with the first tooth disc 84, the two first tooth discs 84 are respectively meshed with the driving gear 83, the input end of the motor 82 is electrically connected with the output end of a control switch 12, a worker regulates and controls the operation of the motor 82, the output shaft of the motor 82 rotates to drive the driving gear 83 to rotate, the driving gear 83 drives the rotary drum 61 and the rotary rod 63 to simultaneously rotate in the same amplitude through the transmission of the two first tooth discs 84, and further achieves the purpose of quick transmission;

synthesizing a second blending unit 9: the device is arranged at the bottom end of an outer arc surface of a synthesis kettle 1, a synthesis blending unit II 9 is fixedly connected with a synthesis blending unit I6, the synthesis blending unit II 9 comprises a toothed disc II 91, a rotating column 92, a driven gear 93 and a paddle 94, the toothed disc II 91 is arranged on the bottom end surface of a rotating rod 63, the rotating column 92 is respectively rotatably connected in rotating holes symmetrically arranged at the bottom end of the outer arc surface of the synthesis kettle 1 through a seal bearing III, the outer end of the rotating column 92 is provided with the driven gear 93, the driven gear 93 is respectively engaged and connected with the toothed disc II 91, the inner end of the rotating column 92 is provided with the paddle 94, the rotating rod 63 rotatably drives the toothed disc II 91 to rotate, the toothed disc II 91 rotatably drives the two driven gears 93 to simultaneously rotate in the same amplitude, the driven gear 93 rotates to drive the rotating column 92 and the paddle 94 to simultaneously rotate in the same amplitude, and the paddle 94 rotates to stir materials in the synthesis kettle 1, the arrangement of multiple blending synthesis units meets the requirement of high-efficiency and quick esterification in the production of methyl acetate, and improves the quality of products.

Wherein: the outer arc surface of the synthesis kettle 1 is provided with a control switch 12, and the input end of the control switch 12 is electrically connected with an external power supply to regulate and control the operation of each electrical element.

Wherein: the feeding pipe 2 is arranged at the feeding port at the top end of the outer arc surface of the synthesis kettle 1, a worker connects an external methyl acetate transmission pipe with the feeding pipe 2, then opens a valve of the external transmission pipe to fill a certain amount of methyl acetate into the synthesis kettle 1, then closes the valve of the external transmission pipe and separates the transmission pipe from the feeding pipe 2, and then puts in materials required in the production and esterification of methyl acetate through the feeding pipe 2.

Wherein: the lower end of the outer arc surface of the rotating cylinder 61 is rotationally connected with unpowered paddles 7 which are uniformly distributed through a rotating shaft, and the unpowered paddles 7 are driven to rotate and generate turbulence by damping self-rotation of fluid, so that methyl acetate is more fully fused during esterification synthesis.

Wherein: the outer cambered surface lower extreme of synthetic cauldron 1 is equipped with evenly distributed's supporting leg 10, and supporting leg 10 provides more stable workplace to synthetic cauldron 1 and attached unit, and the bottom of supporting leg 10 all is equipped with plectane 11, and setting up of plectane 11 has increased the area of supporting leg 10 with the work area contact.

The working principle of the esterification synthesis device for producing methyl acetate provided by the utility model is as follows: firstly, a worker puts the device in a proper working area, then the worker connects an external methyl acetate transmission pipe with a feeding pipe 2, then opens a valve of the external transmission pipe to fill a certain amount of methyl acetate into a synthesis kettle 1, then closes the valve of the external transmission pipe and separates the transmission pipe from the feeding pipe 2, then puts the materials required in the production and esterification of methyl acetate through the feeding pipe 2, after that, the worker regulates and controls the operation of a motor 82 through a control switch 12, an output shaft of the motor 82 rotates to drive a driving gear 83 to rotate, the driving gear 83 drives two toothed disks one 84 to rotate in opposite directions with the same amplitude at the same time, the two toothed disks one 84 drive a rotary drum 61 and a rotary rod 63 to rotate with the same amplitude at the same time, thereby achieving the purpose of quick transmission, the rotary drum 61 rotates to drive a uniform mixing frame 62 and an unpowered paddle 7 to rotate with the same amplitude at the same time, thereby carrying out uniform mixing operation on the materials in the synthesis kettle 1, the unpowered paddle 7 is driven to rotate, meanwhile, turbulent flow is generated by fluid damping self-rotation, so that methyl acetate is more fully fused during esterification synthesis, the rotating rod 63 and the rotating cylinder 61 rotate in opposite directions, the rotating rod 63 drives the blending frame 62 and the fixed paddle 65 to simultaneously rotate in the same amplitude, the blending frame 62 and the fixed paddle 65 stir materials in the synthesis kettle 1, further, the time required by the methyl acetate during esterification synthesis is greatly reduced, meanwhile, the rotating rod 63 rotates to drive the toothed disc two 91 to rotate, the toothed disc two 91 rotates to drive the two driven gears 93 to simultaneously rotate in the same amplitude, the driven gears 93 rotate to drive the rotating column 92 and the blades 94 to simultaneously rotate in the same amplitude, the blades 94 rotate to play a role in stirring multiple materials in the synthesis kettle 1, the setting of a blending synthesis unit meets the requirement of high-efficiency and rapid esterification during methyl acetate production, and improves the quality of products, after the synthesis is completed, the motor 82 is regulated and controlled through the control switch 12 to stop operating, then the discharging pipe 3 is connected with a hose of an external storage barrel, the opening and closing valve 4 is opened to discharge the synthesized material into the storage barrel through the discharging pipe 3, the opening and closing valve 4 is closed after the discharge is completed, the supporting leg 10 provides a more stable working place for the synthesis kettle 1 and the auxiliary units, and the contact area between the supporting leg 10 and the working area is increased due to the arrangement of the circular plate 11.

It should be noted that the specific model of the motor 82 disclosed in the above embodiments is 180M-21520C5-E, and the control switch 12 is provided with switch buttons corresponding to the motors 82 one by one for controlling the switch operations thereof.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The utility model provides a methyl acetate production synthesizer of esterifying which characterized in that: comprises a synthesis kettle (1), a synthesis and uniform mixing unit I (6), a driving unit (8) and a synthesis and uniform mixing unit II (9);

synthesis kettle (1): a discharge pipe (3) is arranged at a discharge port at the lower end of the outer cambered surface of the synthesis kettle (1), an opening and closing valve (4) is connected in series inside the discharge pipe (3), and a pressure release valve (5) is arranged at a pressure release port at the upper end of the outer cambered surface of the synthesis kettle (1);

synthesizing a first blending unit (6): is arranged inside the synthesis kettle (1);

drive unit (8): the driving unit (8) is fixedly connected with the first synthesis and uniform mixing unit (6) and is arranged at the top end of the outer arc surface of the synthesis kettle (1);

synthesizing a blending unit II (9): and the synthesis blending unit II (9) is fixedly connected with the synthesis blending unit I (6) and is arranged at the bottom end of the outer arc surface of the synthesis kettle (1).

2. The esterification synthesis apparatus for methyl acetate production according to claim 1, wherein: synthetic mixing unit (6) include rotary drum (61), mixing frame (62), bull stick (63), arc (64) and fixed oar piece (65), rotary drum (61) rotate through sealed bearing and connect in the top middle part bull hole of synthetic cauldron (1), the extrados of rotary drum (61) is equipped with evenly distributed's mixing frame (62), the intrados of rotary drum (61) rotates and is connected with bull stick (63), the lower extreme of bull stick (63) is passed through sealed bearing two and is connected with the bottom middle part bull hole rotation of synthetic cauldron (1), the bottom of bull stick (63) extends to the outside of synthetic cauldron (1), the extrados lower extreme of bull stick (63) is equipped with evenly distributed's arc (64), the plate body upper end medial surface of arc (64) all is equipped with fixed oar piece (65).

3. The esterification synthesis apparatus for methyl acetate production according to claim 2, wherein: the outer arc surface of the synthesis kettle (1) is provided with a control switch (12), and the input end of the control switch (12) is electrically connected with an external power supply.

4. The esterification synthesis apparatus for methyl acetate production according to claim 3, wherein: drive unit (8) include mounting bracket (81), motor (82), drive gear (83) and tooth disc (84), mounting bracket (81) set up in the extrados top of synthetic cauldron (1), are equipped with motor (82) in the upper end mounting groove of mounting bracket (81), and the output shaft left side of motor (82) is equipped with drive gear (83), and the extrados upper end of rotary drum (61) and bull stick (63) all is equipped with tooth disc (84), and two tooth disc (84) all are connected with drive gear (83) meshing, and the output of input electricity connection control switch (12) of motor (82).

5. The esterification synthesis apparatus for methyl acetate production according to claim 2, wherein: synthetic mixing unit two (9) include tooth chain wheel two (91), rotate post (92), driven gear (93) and paddle (94), tooth chain wheel two (91) set up in the bottom face of bull stick (63), rotate post (92) and rotate respectively through sealed bearing three and connect in the commentaries on classics hole that synthetic cauldron (1) extrados bottom symmetry set up, the outside end that rotates post (92) all is equipped with driven gear (93), driven gear (93) all are connected with tooth chain wheel two (91) meshing, the inboard end that rotates post (92) all is equipped with paddle (94).

6. The esterification synthesis apparatus for methyl acetate production according to claim 1, wherein: the feeding pipe (2) is arranged at the feeding port at the top end of the outer arc surface of the synthesis kettle (1).

7. The esterification synthesis apparatus for methyl acetate production according to claim 2, wherein: the lower end of the outer arc surface of the rotary drum (61) is rotationally connected with unpowered paddles (7) which are uniformly distributed through a rotary shaft.

8. The esterification synthesis apparatus for methyl acetate production according to claim 1, wherein: the lower end of the outer cambered surface of the synthesis kettle (1) is provided with supporting legs (10) which are uniformly distributed, and the bottom ends of the supporting legs (10) are provided with circular plates (11).

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