CN213542957U

CN213542957U - Reflux cooling device is used in methyl methoxyacetate production

Info

Publication number: CN213542957U
Application number: CN202022316133.3U
Authority: CN
Inventors: 张�杰; 蔡兴爽; 谭成俊; 鲁建明
Original assignee: Shiyan Yuchen Biotechnology Co ltd
Current assignee: Shiyan Yuchen Biotechnology Co ltd
Priority date: 2020-10-18
Filing date: 2020-10-18
Publication date: 2021-06-25
Anticipated expiration: 2030-10-18

Abstract

The utility model discloses a reflux cooling device is used in production of methoxy methyl acetate, including feeding cavity and solid fixed ring, the inside stirring rake that is provided with of feeding cavity, and the stirring rake lower extreme is connected with the motor, feeding cavity right side is provided with first water pump, and just first water pump right-hand member settles and have the cooling cavity, the inside back flow that is provided with of cooling cavity, gu fixed ring settles in the back flow lower extreme, and gu settle below the fixed ring has the support column, settle on cooling cavity right side has the second water pump. This methoxy methyl acetate production is with back flow cooling device is provided with the back flow, and the back flow is wavy, can effectively improve the flow time and the heat radiating area of intraductal liquid to reach high-efficient refrigerated purpose, because the back flow constitutes fixed knot structure through between solid fixed ring and the support column, be favorable to the fixed ring to support its back flow and handle, thereby guarantee the stability of its working process, device overall structure is simple, and the cost is lower, and the practicality is strong.

Description

Reflux cooling device is used in methyl methoxyacetate production

Technical Field

The utility model relates to a methoxy methyl acetate production technical field specifically is a reflux cooling device is used in methoxy methyl acetate production.

Background

Methyl methoxyacetate takes methyl chloroacetate and sodium methoxide as raw materials to carry out methoxylation reaction in methanol, salts are separated by filtration after the reaction is finished, then a finished product is obtained by distillation and desolventization, and then the finished product is rectified under reduced pressure.

At present, the cooling device for producing methyl methoxyacetate on the market has high cost and low cooling efficiency, and cooling water in the process cannot be cooled in time to influence the chemical cooling efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reflux cooling device is used in methyl methoxyacetate production to provide general novel reflux cooling device in solving above-mentioned background art, its cost is great, and cooling efficiency is lower, thereby the cooling water of in-process can't in time obtain the problem that the cooling efficiency of influence chemical industry is lowered the temperature.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a backflow cooling device is used in methyl methoxyacetate production, includes feeding cavity and solid fixed ring, the inside stirring rake that is provided with of feeding cavity, and the stirring rake lower extreme is connected with the motor, feeding cavity right side is provided with first water pump, and just first water pump right-hand member settles and have the cooling cavity, the inside back flow that is provided with of cooling cavity, gu fixed ring settles in the back flow lower extreme, and gu fixed ring settles below has the support column, settle on the cooling cavity right side has the second water pump, and is connected with the water pipe on the second water pump, water pipe end-to-end connection has the heat dissipation cavity, and the inside riser that is fixed with of heat dissipation cavity, the riser left and right sides is provided with the slope ladder, settle the heat dissipation cavity.

Preferably, the stirring paddle forms a rotating structure with the feeding cavity through the motor, and the vertical center line of the stirring paddle coincides with the vertical center line of the feeding cavity.

Preferably, the return pipe forms a communicating structure with the feeding cavity through the first water pump, and the return pipe is wavy.

Preferably, the return pipe forms fixed knot through solid fixed ring and between the support column and constructs, and the internal orifice size of solid fixed ring is identical with the external orifice size of return pipe.

Preferably, the vertical plate and the heat dissipation cavity are vertically distributed, and the vertical center line of the vertical plate is coincident with the vertical center line of the heat dissipation cavity.

Preferably, the outer surface of the vertical plate is uniformly distributed with slope ladders, and the widths of the slope ladders are gradually increased from top to bottom.

Compared with the prior art, the beneficial effects of the utility model are that: the novel reflux cooling device for producing the methyl methoxyacetate is provided with the stirring paddle, the stirring paddle forms a rotating structure through the motor and the feeding cavity, and the stirring paddle is convenient to rotate through the motor, so that the solution introduced into the feeding cavity is stirred, and is prevented from depositing at the bottom of the cavity, and the processing effect is influenced;

the novel reflux cooling device for producing the methyl methoxyacetate is provided with the reflux pipe, and the reflux pipe is wavy, so that the flowing time and the heat dissipation area of liquid in the pipe can be effectively improved, and the aim of efficient cooling is fulfilled;

this novel backflow cooling device is used in methyl methoxyacetate production is provided with the riser, the vertical central line of riser coincides mutually with the vertical central line of heat dissipation cavity, the riser below the liquid flow direction that conveniently flows out from the water pipe end, and riser surface evenly distributed has the slope ladder, and the slope ladder from top to bottom width increases progressively, be favorable to flowing to the slope ladder of riser both sides downwards trickling through evenly distributed's cooling water, the slope ladder that the width increases progressively makes the heat radiating area of cooling water improve greatly, make its heat dissipation more abundant high-efficient, the cooling effect of cooling water has further been guaranteed.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a feeding cavity; 2. a stirring paddle; 3. a motor; 4. a first water pump; 5. cooling the cavity; 6. a return pipe; 7. a fixing ring; 8. a support pillar; 9. a second water pump; 10. a water pipe; 11. a heat dissipation cavity; 12. a vertical plate; 13. a slope ladder; 14. a fan; 15. and a third water pump.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a backflow cooling device for production of methyl methoxyacetate comprises a feeding cavity 1 and a fixing ring 7, wherein a stirring paddle 2 is arranged inside the feeding cavity 1, the lower end of the stirring paddle 2 is connected with a motor 3, the stirring paddle 2 forms a rotating structure with the feeding cavity 1 through the motor 3, and the vertical central line of the stirring paddle 2 coincides with the vertical central line of the feeding cavity 1;

the right side of the feeding cavity 1 is provided with a first water pump 4, the right end of the first water pump 4 is provided with a cooling cavity 5, a backflow pipe 6 is arranged inside the cooling cavity 5, a fixing ring 7 is arranged at the lower end of the backflow pipe 6, a supporting column 8 is arranged below the fixing ring 7, the backflow pipe 6 forms a communicating structure with the feeding cavity 1 through the first water pump 4, the backflow pipe 6 is wavy, the backflow pipe 6 forms a fixing structure with the supporting column 8 through the fixing ring 7, the size of an inner opening of the fixing ring 7 is identical to that of an outer opening of the backflow pipe 6, the backflow pipe 6 forms a communicating structure with the feeding cavity 1 through the first water pump 4, so that a solution in the feeding cavity 1 can be conveniently pumped into the backflow pipe 6 through the first water pump 4 for cooling treatment, the backflow pipe 6 is wavy, the flowing time and the heat dissipation area of liquid in the pipe can be effectively improved, because the return pipe 6 forms a fixed structure through the fixed ring 7 and the support column 8, the fixed ring 7 is favorable for supporting the return pipe 6, and the stability of the working process of the return pipe is ensured;

the right side of the cooling cavity 5 is provided with a second water pump 9, the upper end of the second water pump 9 is connected with a water pipe 10, the tail end of the water pipe 10 is connected with a heat dissipation cavity 11, a vertical plate 12 is fixed in the heat dissipation cavity 11, the left side and the right side of the vertical plate 12 are provided with slope ladders 13, the vertical plate 12 and the heat dissipation cavity 11 are vertically distributed, the vertical central line of the vertical plate 12 is coincided with the vertical central line of the heat dissipation cavity 11, the slope ladders 13 are uniformly distributed on the outer surface of the vertical plate 12, the width of the slope ladders 13 is gradually increased from top to bottom, because the upper end of the second water pump 9 is connected with the water pipe 10, and the tail end of the water pipe 10 is connected with the heat dissipation cavity 11, the second water pump 9 can conveniently pump the cooling water in the cooling cavity 5 into the heat dissipation cavity 11 through the water pipe 10 for heat dissipation treatment, thereby ensuring the cooling effect, the slope ladders 13 are uniformly distributed on the outer surface of the vertical plate 12, the widths of the slope ladders 13 are gradually increased from top to bottom, cooling water flowing to the two sides of the vertical plate 12 flows downwards through the uniformly distributed slope ladders 13, and the slope ladders 13 with gradually increased widths greatly increase the heat dissipation area of the cooling water, so that the heat dissipation of the cooling water is more sufficient and efficient;

the left side and the right side of the heat dissipation cavity 11 are provided with the fans 14, the lower end of the left side of the heat dissipation cavity 11 is connected with the third water pump 15, the perpendicular bisector of each fan 14 coincides with the perpendicular bisector of the heat dissipation cavity 11, the fans 14 are symmetrically distributed about the vertical center line of the heat dissipation cavity 11, the fans 14 on the two sides can conveniently conduct further heat dissipation treatment on cooling water flowing on the outer surface of the slope ladder 13, the heat dissipation efficiency of the cooling water is greatly improved, the lower end of the left side of the heat dissipation cavity 11 is connected with the third water pump 15, and the cooling water after heat dissipation can be extracted into the cooling cavity 5 through the third water pump 15 to conduct cooling treatment on methyl methoxyacetate.

The working principle is as follows: when the reflux cooling device for producing the methyl methoxyacetate is used, firstly, a motor 3 communicated with an external power supply is turned on, the motor 3 drives a stirring paddle 2 to rotate, so that the solution introduced into a feeding cavity 1 is stirred and prevented from being deposited at the bottom of the cavity, and the processing effect is influenced, then the solution in the feeding cavity 1 is pumped into a return pipe 6 through a first water pump 4 to be cooled, and the return pipe 6 is wavy, so that the flowing time and the heat dissipation area of the liquid in the pipe can be effectively improved, and the purpose of efficient cooling is achieved, because the return pipe 6 forms a fixed structure through a fixed ring 7 and a support column 8, the fixed ring 7 is favorable for supporting the return pipe 6, the stability of the working process is ensured, and then, a second water pump 9 pumps the cooling water in the cooling cavity 5 into a heat dissipation cavity 11 through a water pipe 10 to be subjected to heat dissipation treatment, thereby ensuring the cooling effect of the cooling water, the vertical central line of the vertical plate 12 is coincident with the vertical central line of the heat dissipation cavity 11, the liquid flowing out from the tail end of the water pipe 10 conveniently flows to the vertical plate 12 below, and the slope ladders 13 are uniformly distributed on the outer surface of the vertical plate 12, and the widths of the slope ladders 13 are gradually increased from top to bottom, so that the cooling water flowing to the two sides of the vertical plate 12 flows downwards through the uniformly distributed slope ladders 13, the heat dissipation area of the cooling water is greatly increased by the slope ladders 13 with gradually increased widths, the heat dissipation of the cooling water is more sufficient and efficient, when cooling water dissipates heat, the fans 14 on the two sides of the heat dissipation cavity 11 further dissipate heat of the cooling water flowing from the outer surface of the ramp 13, so that the heat dissipation efficiency of the cooling water is greatly improved, and finally the dissipated cooling water is pumped into the cooling cavity 5 through the third water pump 15 to cool methyl methoxyacetate, wherein the first water pump 4 is HGE 25-238A.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a production of methyl methoxyacetate is with reflux cooling device, includes feeding cavity (1) and solid fixed ring (7), its characterized in that: the stirring paddle (2) is arranged in the feeding cavity (1), the lower end of the stirring paddle (2) is connected with the motor (3), the first water pump (4) is arranged on the right side of the feeding cavity (1), the cooling cavity (5) is arranged at the right end of the first water pump (4), the return pipe (6) is arranged in the cooling cavity (5), the fixing ring (7) is arranged at the lower end of the return pipe (6), the supporting column (8) is arranged below the fixing ring (7), the second water pump (9) is arranged on the right side of the cooling cavity (5), the upper end of the second water pump (9) is connected with the water pipe (10), the tail end of the water pipe (10) is connected with the heat dissipation cavity (11), the vertical plate (12) is fixed in the heat dissipation cavity (11), the slope ladders (13) are arranged on the left side and the right side of the vertical plate (, and the lower end of the left side of the heat dissipation cavity (11) is connected with a third water pump (15).

2. The reflux cooling device for the production of methyl methoxyacetate according to claim 1, which is characterized in that: the stirring paddle (2) forms a rotating structure with the feeding cavity (1) through the motor (3), and the vertical center line of the stirring paddle (2) coincides with the vertical center line of the feeding cavity (1).

3. The reflux cooling device for the production of methyl methoxyacetate according to claim 1, which is characterized in that: the backflow pipe (6) is in a communicated structure through the first water pump (4) and the feeding cavity (1), and the backflow pipe (6) is wavy.

4. The reflux cooling device for the production of methyl methoxyacetate according to claim 1, which is characterized in that: the backflow pipe (6) forms a fixed structure between the fixed ring (7) and the supporting column (8), and the size of the inner opening of the fixed ring (7) is identical to that of the outer opening of the backflow pipe (6).

5. The reflux cooling device for the production of methyl methoxyacetate according to claim 1, which is characterized in that: the vertical plates (12) and the heat dissipation cavity (11) are vertically distributed, and the vertical center lines of the vertical plates (12) and the heat dissipation cavity (11) are overlapped.

6. The reflux cooling device for the production of methyl methoxyacetate according to claim 1, which is characterized in that: the outer surface of the vertical plate (12) is uniformly distributed with slope ladders (13), and the widths of the slope ladders (13) are gradually increased from top to bottom.

7. The reflux cooling device for the production of methyl methoxyacetate according to claim 1, which is characterized in that: the perpendicular bisector of fan (14) coincides with the perpendicular bisector of heat dissipation cavity (11), and fan (14) are the symmetric distribution about the vertical center line of heat dissipation cavity (11).