CN215462199U

CN215462199U - Efficient ethyl acetate dewatering device

Info

Publication number: CN215462199U
Application number: CN202120629435.8U
Authority: CN
Inventors: 贾庆节
Original assignee: Tianjin First Century Technology Development Co ltd
Current assignee: Tianjin First Century Technology Development Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2022-01-11
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses an efficient ethyl acetate dehydration device which comprises a bottom plate, wherein an upright post is fixedly arranged in the middle of the upper end of the bottom plate, a dehydration bin is fixedly arranged at the upper end of the upright post, a dehydration mechanism is arranged in the dehydration bin, the dehydration mechanism comprises a hollow rotating rod, through grooves, a spiral transmission structure, a liquid inlet pipe and a refrigeration pipe, the hollow rotating rod is movably arranged in the middle of the inner side of the dehydration bin through a bearing, the through grooves are uniformly formed in the outer side surface of the hollow rotating rod, the spiral transmission structure is fixedly arranged on the outer side surface of the hollow rotating rod, the liquid inlet pipe is movably arranged at the lower end of the spiral transmission structure through the bearing, the refrigeration pipe is fixedly arranged on the side wall of the inner side of the dehydration bin, and a first discharge pipe is fixedly arranged on one side of the upper end of the dehydration bin. The method has good use effect, and the dehydration treatment of the ethyl acetate is carried out at low temperature, so that chemical reagents for dehydration are not required to be replaced midway, and the working efficiency is higher.

Description

Efficient ethyl acetate dewatering device

Technical Field

The utility model relates to the technical field of ethyl acetate, in particular to a high-efficiency ethyl acetate dehydration device.

Background

Ethyl acetate, also known as ethyl acetate, has a chemical formula of C4H8O2, has a molecular weight of 88.11, is an ester having a functional group of-COOR (double bond between carbon and oxygen), and can undergo common ester reactions such as alcoholysis, aminolysis, ester exchange, reduction, and the like. Low toxicity, sweet taste, pungent smell at high concentration, easy volatilization, excellent solubility, quick drying property and wide application, and is an important organic chemical raw material and industrial solvent. Belongs to a first-class inflammable product and is stored in a low-temperature ventilation place to be far away from a fire source. The laboratory is generally prepared by esterification of acetic acid and ethanol.

When current ethyl acetate dewaters after production, often use chemical reagent such as concentrated sulfuric acid, dewater through the mode of chemistry, and when dehydrating through the mode of chemistry, chemical reagent is saturated easily, so just need frequently to change the reagent and dewater, and is comparatively troublesome, and work efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-efficiency ethyl acetate dehydration device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an efficient ethyl acetate dehydration device comprises a base plate, wherein a stand column is fixedly arranged in the middle of the upper end of the base plate, a dehydration bin is fixedly arranged at the upper end of the stand column, a dehydration mechanism is arranged in the dehydration bin and comprises a hollow rotating rod, through grooves, a spiral transmission structure, a liquid inlet pipe and a refrigeration pipe, the middle of the inner side of the dehydration bin is provided with the hollow rotating rod through a bearing activity, a plurality of through grooves are uniformly formed in the outer surface of the hollow rotating rod, the outer surface of the hollow rotating rod is fixedly provided with the spiral transmission structure, the lower end of the spiral transmission structure is provided with the liquid inlet pipe through the bearing activity, the side wall of the inner side of the dehydration bin is fixedly provided with the refrigeration pipe, a first discharging pipe is fixedly arranged on one side of the upper end of the dehydration bin, a second discharging pipe is fixedly arranged on the upper end of the dehydration bin, which is far away from the first discharging pipe, a first gear is fixedly arranged on the upper end of the hollow rotating rod, the motor is fixedly arranged at one side of the first gear at the upper end of the dewatering bin through the mounting seat, the second gear is fixedly arranged at the output shaft end of the motor through the coupler, and the first gear and the second gear are meshed with each other.

Preferably, the lower end of the liquid inlet pipe is fixedly provided with a connecting flange, and the liquid inlet pipe can be conveniently connected with a pipeline externally through the connecting flange.

Preferably, a filter screen is fixedly arranged in the first discharge pipe, and the filter screen can play a role in filtering.

Preferably, the four corners of the upper end surface of the bottom plate are provided with mounting holes, and the device can be conveniently and fixedly mounted at a target position through the mounting holes.

Preferably, the diameter of the first gear is larger than that of the second gear, and the first gear is driven by the smaller second gear to play a role in reducing speed, so that the hollow rotating rod can rotate slowly.

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

1. the utility model enters the hollow rotating rod through the liquid inlet pipe and then enters the dehydration bin through the through groove, the melting point of water is 0 ℃, the temperature of the ethyl acetate dehydration device is-83.6 ℃, the temperature in the dehydration bin is reduced to minus 10 ℃ through a refrigeration pipe, the water in the ethyl acetate can be solidified into ice, the ethyl acetate is still liquid, at the moment, the motor is switched on, the spiral transmission structure is slowly driven to rotate by the motor, so that the ice slag in the ethyl acetate can be driven to move upwards, the ethyl acetate can gradually overflow the first discharge pipe along with the injection of the liquid inlet pipe and is discharged from the first discharge pipe, the ice slag can move upwards along with the spiral conveying structure and is discharged from the second discharging pipe, so that the dehydration effect can be completed, in addition, chemical reagents for dehydration are not required to be replaced midway in the whole dehydration process of the device, so that the working efficiency is higher;

2. the ice cube crusher is simple in structure, free of complex structure, convenient to maintain, convenient to popularize and use, and capable of achieving a speed reduction effect by driving the first gear through the smaller second gear when the ice cube crusher is used, so that the hollow rotating rod can rotate slowly, and frozen ice cubes can be prevented from being broken at a high rotating speed.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-efficiency ethyl acetate dehydration plant according to the present invention;

FIG. 2 is an enlarged view of the section A of FIG. 1 of a high efficiency ethyl acetate dehydration apparatus of the present invention;

FIG. 3 is an enlarged view of the section B of FIG. 1 of a high efficiency ethyl acetate dehydration apparatus of the present invention.

In the figure: 1. a base plate; 2. a column; 3. a dewatering bin; 4. a hollow rotating rod; 5. a through groove; 6. a spiral transmission structure; 7. a liquid inlet pipe; 8. a refrigeration pipe; 9. a first discharge pipe; 10. a second discharge pipe; 11. a first gear; 12. an electric motor; 13. a second gear; 14. a connecting flange; 15. filtering with a screen; 16. and (7) installing holes.

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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an efficient ethyl acetate dehydration device comprises a bottom plate 1, wherein a stand column 2 is fixedly arranged in the middle of the upper end of the bottom plate 1, a dehydration bin 3 is fixedly arranged at the upper end of the stand column 2, a dehydration mechanism is arranged in the dehydration bin 3 and comprises a hollow rotating rod 4, a through groove 5, a spiral transmission structure 6, a liquid inlet pipe 7 and a refrigeration pipe 8, the hollow rotating rod 4 is arranged in the middle of the inner side of the dehydration bin 3 through bearing activity, a plurality of through grooves 5 are uniformly arranged on the outer side surface of the hollow rotating rod 4, the spiral transmission structure 6 is fixedly arranged on the outer side surface of the hollow rotating rod 4, the liquid inlet pipe 7 is arranged at the lower end of the spiral transmission structure 6 through bearing activity, the refrigeration pipe 8 is fixedly arranged on the inner side wall of the dehydration bin 3, a first discharging pipe 9 is fixedly arranged on one side of the upper end of the dehydration bin 3, a second discharging pipe 10 is fixedly arranged on the upper end of the side of the dehydration bin 3 away from the first discharging pipe 9, hollow dwang 4 upper end is fixed and is provided with

first gear

11, 3 upper ends in dehydration storehouse are fixed in first gear 11 one side through the mount pad and are provided with motor 12, the output shaft end of motor 12 passes through the fixed second gear 13 that is provided with of shaft coupling, intermeshing between first gear 11 and the second gear 13.

7 fixed flange 14 that is provided with of feed liquor pipe lower extreme can make things convenient for 7 external pipelines of feed liquor pipe through flange 14, the inside fixed filter screen 15 that is provided with of first discharging pipe 9 can play the filtering action through filter screen 15, mounting hole 16 has all been seted up to 1 upper end surface four corners department of bottom plate, can conveniently install fixed mounting at the target location through mounting hole 16, first gear 11 diameter is greater than second gear 13, drives first gear 11 through less second gear 13 and can play the deceleration effect to can make hollow dwang 4 slowly rotate.

The working principle is as follows: when the device is used, ethyl acetate needing to be dehydrated can be injected into the hollow rotating rod 4 through the liquid inlet pipe 7, the ethyl acetate can enter the hollow rotating rod 4 through the liquid inlet pipe 7, then enters the dehydration bin 3 through the through groove 5, the melting point of water is 0 ℃, the ethyl acetate dehydration device is-83.6 ℃, the temperature in the dehydration bin 3 is reduced to minus 10 ℃ through the refrigeration pipe 8, the water in the ethyl acetate can be solidified into ice, the ethyl acetate is still liquid, the motor 12 is turned on at the moment, the spiral transmission structure 6 is slowly driven to rotate through the motor 12, so that ice slag in the ethyl acetate can be driven to move upwards, the ethyl acetate can gradually overflow the first discharge pipe 9 along with the injection of the liquid inlet pipe 7 and is discharged from the first discharge pipe 9, and the ice slag can move upwards along with the spiral transmission structure 6, the water is discharged from the second discharge pipe 10, so that the dehydration effect can be completed, and the chemical reagent for dehydration does not need to be replaced midway in the whole dehydration process of the device, so that the working efficiency is higher, and the working principle of the high-efficiency ethyl acetate dehydration device is provided.

It is noted that, herein, relational terms such as first and second, and the like may be 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An efficient ethyl acetate dewatering device, includes bottom plate (1), its characterized in that: the improved dehydration device is characterized in that a stand column (2) is fixedly arranged in the middle of the upper end of the bottom plate (1), a dehydration bin (3) is fixedly arranged on the upper end of the stand column (2), a dehydration mechanism is arranged in the dehydration bin (3), the dehydration mechanism comprises a hollow rotating rod (4), through grooves (5), a spiral transmission structure (6), a liquid inlet pipe (7) and a refrigeration pipe (8), the hollow rotating rod (4) is movably arranged in the middle of the inner side of the dehydration bin (3) through a bearing, the plurality of through grooves (5) are uniformly formed in the surface of the outer side of the hollow rotating rod (4), the spiral transmission structure (6) is fixedly arranged on the surface of the outer side of the hollow rotating rod (4), the liquid inlet pipe (7) is movably arranged at the lower end of the spiral transmission structure (6) through the bearing, the refrigeration pipe (8) is fixedly arranged on the side wall of the inner side of the dehydration bin (3), and a first discharging pipe (9) is fixedly arranged on one side of the upper end of the dehydration bin (3), one side upper end that first discharging pipe (9) was kept away from in dehydration storehouse (3) is fixed and is provided with second discharging pipe (10), hollow dwang (4) upper end is fixed and is provided with first gear (11), dehydration storehouse (3) upper end is fixed through the mount pad in first gear (11) one side and is provided with motor (12), the output axle head of motor (12) is provided with second gear (13) through the shaft coupling is fixed, intermeshing between first gear (11) and second gear (13).

2. A high efficiency ethyl acetate dehydration apparatus as described in claim 1 further characterized by: and a connecting flange (14) is fixedly arranged at the lower end of the liquid inlet pipe (7).

3. A high efficiency ethyl acetate dehydration apparatus as described in claim 1 further characterized by: a filter screen (15) is fixedly arranged inside the first discharge pipe (9).

4. A high efficiency ethyl acetate dehydration apparatus as described in claim 1 further characterized by: mounting holes (16) are formed in four corners of the upper end surface of the bottom plate (1).

5. A high efficiency ethyl acetate dehydration apparatus as described in claim 1 further characterized by: the first gear (11) is larger in diameter than the second gear (13).