CN212818571U

CN212818571U - Filter equipment is used in methyl methoxyacetate production

Info

Publication number: CN212818571U
Application number: CN202021534388.0U
Authority: CN
Inventors: 孙海燕
Original assignee: Luohe Yubo Biochemical Co ltd
Current assignee: Luohe Yubo Biochemical Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-03-30
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a filter equipment is used in methyl methoxyacetate production, including holding liquid case, lower barrel and last barrel, the upper portion of barrel is provided with the barrel down, and the up end of going up the barrel is provided with the connecting pipe to the upper end of connecting pipe is fixed in the bottom of holding the liquid case, and the upper right portion that holds the liquid case simultaneously is connected with the feed liquor pipe, the outer anchor ring front side of barrel is connected with blow off pipe, first circulating pipe and second circulating pipe respectively down. This filter equipment is used in methyl methoxyacetate production, the structure sets up rationally, first filter screen bag, second filter screen bag and third filter screen bag have set gradually in last barrel, conveniently carry out a lot of filtration to methyl methoxyacetate solution, help filtering the sodium chloride in methyl methoxyacetate solution cleaner, improve the purity of methyl methoxyacetate solution, the setting of the internal nanofiltration membrane of barrel is used for the infiltration of separation chloridion and sodion down simultaneously for methyl methoxyacetate solution filters purer that gets.

Description

Filter equipment is used in methyl methoxyacetate production

Technical Field

The utility model relates to a methoxy methyl acetate production technical field specifically is a filter equipment is used in methoxy methyl acetate production.

Background

Methoxy acetic acid is an important intermediate, firstly, it is the basic raw material of methoxy acetylation, namely methoxy acetyl chloride is prepared by methoxy acetic acid, it is used in plant protection and medicine industry, in addition, the compound can also be used as plasticizer and colorant, auxiliary agent in textile industry and flotation auxiliary agent, the process of producing methoxy acetic acid solution, the solution will contain some salt, it needs to be filtered, the filtering structure of the prior art is not enough to filter, so that the methoxy acetic acid solution still remains some sodium chloride particles or chloride ions, sodium ions, the chloride ions and sodium ions will be reformed into sodium chloride, resulting in impure methoxy acetic acid solution.

In order to solve the defect and not enough that methyl methoxyacetate production that provide above exists, the structure sets up rationally, first filter string bag has set gradually in last barrel, second filter string bag and third filter string bag, conveniently carry out a lot of filtration to methyl methoxyacetate solution, it is cleaner to help filtering the sodium chloride in methyl methoxyacetate solution, improve the purity of methyl methoxyacetate solution, the setting of the interior nano filter membrane of lower barrel is used for the infiltration of separation chloridion and sodion simultaneously, make methyl methoxyacetate solution filter purer, thereby provide a filter equipment for methyl methoxyacetate production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's filtration incomplete for methoxy acetic acid solution still can be remaining some sodium chloride granules or chloride ion, sodium ion, and chloride ion and sodium ion can reconstitute the sodium chloride, lead to the impure defect of methoxy acetic acid solution of production, provide a filter equipment is used in methoxy acetic acid methyl ester production. A filter equipment is used in methyl methoxyacetate production has that the structure sets up rationally, has set gradually first filter screen pocket, second filter screen pocket and third filter screen pocket in last barrel, conveniently filter methyl methoxyacetate solution many times, help filtering the sodium chloride in methyl methoxyacetate solution cleaner, improve the purity of methyl methoxyacetate solution, the setting of the internal nanofiltration membrane of barrel is used for the infiltration of separation chloride ion and sodion down simultaneously for characteristics such as purer that methyl methoxyacetate solution filtered.

In order to achieve the above object, the utility model provides a following technical scheme: a filtering device for producing methyl methoxyacetate comprises a liquid storage tank, a lower barrel and an upper barrel, wherein the upper barrel is arranged at the upper part of the lower barrel, a connecting pipe is arranged on the upper end face of the upper barrel, the upper end of the connecting pipe is fixed at the bottom of the liquid storage tank, a liquid inlet pipe is connected to the upper right part of the liquid storage tank, and a plurality of groups of short rods are arranged between the bottom face of the liquid storage tank and the upper end face of the upper barrel;

the front side of the outer ring surface of the lower barrel is respectively connected with a sewage discharge pipe, a first circulating pipe and a second circulating pipe, the left lower part of the lower barrel is connected with a liquid discharge pipe, a water pump is arranged on the liquid discharge pipe, and meanwhile, a base is arranged at the bottom of the lower barrel.

Preferably, a nanofiltration membrane is installed at the center in the lower cylinder, a liquid purification chamber is arranged between the outer annular surface of the nanofiltration membrane and the inner wall of the lower cylinder, and an inner pipe port of the liquid discharge pipe leads to the liquid purification chamber.

Preferably, be provided with first filter chamber, second filter chamber, third filter chamber and fourth filter chamber in the upper cylinder body from top to bottom, and be provided with first filter screen pocket between first filter chamber and the second filter chamber to be provided with second filter screen pocket between second filter chamber and the third filter chamber, be provided with third filter screen pocket simultaneously between third filter chamber and the fourth filter chamber.

Preferably, the centers of the lower barrel and the upper barrel are rotatably and movably provided with a rotating shaft, the lower end head of the rotating shaft is rotatably connected to the motor, the middle of the bottom of the base is provided with a groove, and the motor is arranged in the groove.

Preferably, install three third stirring rakes of group on the upper portion body of rod of pivot, and three third stirring rakes of group are located first filter screen pocket, second filter screen pocket and third filter screen pocket respectively in to install first stirring rake and second stirring rake on the lower part body of rod of pivot.

Preferably, a lower pipe opening of the first circulating pipe is communicated with the inner bottom of the second filter net bag, an upper pipe opening of the first circulating pipe is communicated with the inside of the first filter chamber, a lower pipe opening of the second circulating pipe is communicated with the inner bottom of the third filter net bag, an upper pipe opening of the second circulating pipe is communicated with the inside of the second filter chamber, an inner pipe opening of the drain pipe is communicated with the inner bottom of the first filter chamber, and meanwhile miniature pumps are installed on the drain pipe, the first circulating pipe and the second circulating pipe.

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

1. the filtering device for producing the methyl methoxyacetate is reasonable in overall structure arrangement, is mainly provided with a liquid storage box, an upper barrel and a lower barrel, and can convey methyl methoxyacetate solution into the liquid storage box through a liquid inlet pipe so as to facilitate filtering from top to bottom, so that the filtering is smoother and faster;

2. set gradually first filtration string bag, second filtration string bag and third filtration string bag in last barrel, conveniently carry out a lot of to methoxy methyl acetate solution and filter, help filtering the sodium chloride in the methoxy methyl acetate solution cleaner, improve the purity of methoxy methyl acetate solution, the setting of the internal nanofiltration membrane of barrel is used for the infiltration of separation chloridion and sodion down simultaneously for methoxy methyl acetate solution filters purer that gets.

Drawings

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

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

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a schematic sectional structure diagram of the structure of the present invention.

Reference numbers in the figures: 1. a liquid inlet pipe; 2. a liquid storage tank; 3. a connecting pipe; 4. a first filtering chamber; 5. a first filter net bag; 6. a second filtering chamber; 7. a second filter string bag; 8. a third filtration chamber; 9. a third filter string bag; 10. a lower cylinder body; 11. a clean fluid chamber; 12. a nanofiltration membrane; 13. a first stirring paddle; 14. a rotating shaft; 15. a second stirring paddle; 16. a motor; 17. a groove; 18. a base; 19. a liquid discharge pipe; 20. a water pump; 21. an upper cylinder body; 22. a short bar; 23. a fourth filtration chamber; 24. a third stirring paddle; 25. a blow-off pipe; 26. a first circulation pipe; 27. a second circulation pipe.

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. 1-4, the present invention provides a technical solution: a filtering device for producing methyl methoxyacetate comprises a liquid inlet pipe 1, a liquid storage tank 2, a connecting pipe 3, a first filtering chamber 4, a first filtering net bag 5, a second filtering chamber 6, a second filtering net bag 7, a third filtering chamber 8, a third filtering net bag 9, a lower barrel 10, a liquid purifying chamber 11, a nanofiltration membrane 12, a first stirring paddle 13, a rotating shaft 14, a second stirring paddle 15, a motor 16, a groove 17, a base 18, a liquid discharging pipe 19, a water pump 20, an upper barrel 21, a short rod 22, a fourth filtering chamber 23, a third stirring paddle 24, a sewage discharging pipe 25, a first circulating pipe 26 and a second circulating pipe 27, wherein a lower pipe opening of the first circulating pipe 26 is communicated with the inner bottom of the second filtering net bag 7, an upper pipe opening of the first circulating pipe 26 is communicated with the first filtering chamber 4, a lower pipe opening of the second circulating pipe 27 is communicated with the inner bottom of the third filtering net bag 9, an upper pipe opening of the second circulating pipe 27 is communicated with the second filtering chamber 6, and the inner pipe mouth of the sewage draining pipe 25 leads to the inner bottom of the first filtering chamber 4, at the same time, micro water pumps are arranged on the sewage draining pipe 25, the first circulating pipe 26 and the second circulating pipe 27, the upper part of the lower cylinder 10 is provided with an upper cylinder 21, the upper end surface of the upper cylinder 21 is provided with a connecting pipe 3, the upper end of the connecting pipe 3 is fixed at the bottom of the liquid storage tank 2, the right upper part of the liquid storage tank 2 is connected with a liquid inlet pipe 1, a plurality of groups of short rods 22 are arranged between the bottom surface of the liquid storage tank 2 and the upper end surface of the upper cylinder 21, the front side of the outer ring surface of the lower cylinder 10 is respectively connected with the sewage draining pipe 25, the first circulating pipe 26 and the second circulating pipe 27, the upper cylinder 21 is internally provided with a first filtering chamber 4, a second filtering chamber 6, a third filtering chamber 8 and a fourth filtering chamber 23 from top to bottom, a first filtering net 5 is arranged between the first filtering chamber 4 and the second filtering chamber 6, and a second, meanwhile, a third filtering net bag 9 is arranged between the third filtering chamber 8 and the fourth filtering chamber 23, a liquid discharge pipe 19 is connected to the lower left portion of the lower barrel 10, a water pump 20 is installed on the liquid discharge pipe 19, a base 18 is arranged at the bottom of the lower barrel 10, a nanofiltration membrane 12 is installed at the center in the lower barrel 10, a clean liquid chamber 11 is arranged between the outer annular surface of the nanofiltration membrane 12 and the inner wall of the lower barrel 10, an inner pipe port of the liquid discharge pipe 19 is communicated into the clean liquid chamber 11, a rotating shaft 14 is movably arranged at the centers of the lower barrel 10 and the upper barrel 21, the lower end head of the rotating shaft 14 is rotatably connected to a motor 16, a groove 17 is formed in the middle of the bottom of the base 18, the motor 16 is installed in the groove 17, three groups of third stirring paddles 24 are installed on the upper rod body of the rotating shaft 14, and the three groups of third stirring paddles 24 are respectively located in the first filtering net bag 5, the second filtering net bag, and a first stirring paddle 13 and a second stirring paddle 15 are installed on the lower rod body of the rotating shaft 14.

As shown in fig. 1-4, the overall structure of the apparatus is shown, the apparatus is mainly provided with a liquid storage tank 2, an upper cylinder 21 and a lower cylinder 10, and a methyl methoxyacetate solution can be conveyed into the liquid storage tank 2 through a liquid inlet pipe 1, so that the filtration can be carried out from top to bottom, and the filtration is smoother and faster;

set gradually first filtration string bag 5, second filtration string bag 7 and third filtration string bag 9 in last barrel 21, conveniently carry out a lot of to methyl methoxyacetate solution and filter, help filtering the sodium chloride in methyl methoxyacetate solution cleaner, improve the purity of methyl methoxyacetate solution, the setting of nanofiltration membrane 12 is used for the infiltration of separation chloride ion and sodion down in the barrel 10 simultaneously for methyl methoxyacetate solution filters purer.

The working principle is as follows: when the filtering device for producing methyl methoxyacetate is used, methyl methoxyacetate solution is conveyed into the liquid storage box 2 through the liquid inlet pipe 1, the liquid storage box 2 conveys the methyl methoxyacetate solution into the upper barrel 21 through the connecting pipe 3, the liquid storage box passes through the first filtering net bag 5, the second filtering net bag 7 and the third filtering net bag 9 in the upper barrel 21 from top to bottom in sequence, and the filtering part is large sodium chloride particles and then enters the fourth filtering chamber 23, the fourth filtering chamber 23 is communicated with the inner space of the nanofiltration membrane 12, so that the methyl methoxyacetate solution enters the nanofiltration membrane 12 again, the nanofiltration membrane 12 is used for preventing the permeation of multivalent ions, and finally the methyl methoxyacetate solution is finely filtered into the liquid purifying chamber 11 through the nanofiltration membrane 12 and then can be conveyed out through the liquid discharge pipe 19.

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 filter equipment is used in methyl methoxyacetate production, holds liquid case (2), lower barrel (10) and last barrel (21), its characterized in that: an upper cylinder body (21) is arranged at the upper part of the lower cylinder body (10), a connecting pipe (3) is arranged on the upper end face of the upper cylinder body (21), the upper end of the connecting pipe (3) is fixed at the bottom of the liquid storage box (2), the right upper part of the liquid storage box (2) is connected with a liquid inlet pipe (1), and a plurality of groups of short rods (22) are arranged between the bottom surface of the liquid storage box (2) and the upper end face of the upper cylinder body (21);

the front side of the outer ring surface of the lower barrel (10) is respectively connected with a sewage discharge pipe (25), a first circulating pipe (26) and a second circulating pipe (27), the left lower part of the lower barrel (10) is connected with a liquid discharge pipe (19), a water pump (20) is installed on the liquid discharge pipe (19), and a base (18) is arranged at the bottom of the lower barrel (10).

2. The filter device for producing methyl methoxyacetate according to claim 1, wherein: a nanofiltration membrane (12) is installed at the inner center of the lower barrel (10), a liquid purification chamber (11) is arranged between the outer annular surface of the nanofiltration membrane (12) and the inner wall of the lower barrel (10), and an inner pipe opening of the liquid discharge pipe (19) leads into the liquid purification chamber (11).

3. The filter device for producing methyl methoxyacetate according to claim 1, wherein: go up barrel (21) and be provided with first filter chamber (4), second filter chamber (6), third filter chamber (8) and fourth filter chamber (23) from top to bottom in, and be provided with first filtration string bag (5) between first filter chamber (4) and second filter chamber (6), and be provided with second filtration string bag (7) between second filter chamber (6) and third filter chamber (8), be provided with third filtration string bag (9) between third filter chamber (8) and fourth filter chamber (23) simultaneously.

4. The filter device for producing methyl methoxyacetate according to claim 1, wherein: the center of lower barrel (10) and last barrel (21) rotates the activity and has pivot (14), and the lower end of pivot (14) rotates and connects on motor (16) to seted up recess (17) in the middle of the bottom of base (18), motor (16) are installed in recess (17) simultaneously.

5. The filter device for producing methyl methoxyacetate according to claim 4, wherein: install three third stirring rake of group (24) on the upper portion body of rod of pivot (14), and three third stirring rake of group (24) are located first filtration string bag (5), second filtration string bag (7) and third filtration string bag (9) respectively in to install first stirring rake (13) and second stirring rake (15) on the lower part body of rod of pivot (14).

6. The filter device for producing methyl methoxyacetate according to claim 1, wherein: the lower pipe opening of the first circulating pipe (26) is communicated with the inner bottom of the second filtering net bag (7), the upper pipe opening of the first circulating pipe (26) is communicated with the first filtering chamber (4), the lower pipe opening of the second circulating pipe (27) is communicated with the inner bottom of the third filtering net bag (9), the upper pipe opening of the second circulating pipe (27) is communicated with the second filtering chamber (6), the inner pipe opening of the drain pipe (25) is communicated with the inner bottom of the first filtering chamber (4), and meanwhile, micro water pumps are installed on the drain pipe (25), the first circulating pipe (26) and the second circulating pipe (27).