CN216737777U

CN216737777U - Methyl isobutyrylacetate mother liquor treatment device

Info

Publication number: CN216737777U
Application number: CN202220333394.2U
Authority: CN
Inventors: 周倜; 董翠翠; 王海波; 李继宾; 张新一; 周兴波; 唐凯; 宋浩; 张丹丹; 周红财; 卞伟丽; 秦瑞昌; 刘正顺; 马海瑞; 吴士峰; 步长江; 焦研
Original assignee: Shandong Ift Science & Technology Co ltd
Current assignee: Shandong Ift Science & Technology Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-06-14
Anticipated expiration: 2032-02-18

Abstract

The utility model belongs to the field of isobutyryl methyl acetate mother liquor treatment equipment, and particularly relates to a isobutyryl methyl acetate mother liquor treatment device which comprises an aerobic tank, wherein a first air inlet is formed in the aerobic tank, an aerator is installed in the aerobic tank and comprises a tank body, a protective layer is fixed on the outer side of the tank body, a top cover is matched with the end part of the tank body, a plurality of aeration holes are formed in the top cover, an air cavity is formed in the tank body, a valve seat penetrating into the air cavity is fixed at the bottom of the tank body, a second air inlet is formed in the bottom of the valve seat and connected with the first air inlet through an air conveying pipe, the top of the inner side of the valve seat is connected with a valve core corresponding to the second air inlet through a spring, and a plurality of air guide holes communicated with the air cavity penetrate through the side wall of the valve seat. The utility model not only has lower use cost, but also effectively prolongs the service life of the aerator.

Description

Methyl isobutyrylacetate mother liquor treatment device

Technical Field

The utility model relates to a methyl isobutyrylacetate mother liquor treatment device, and belongs to the field of methyl isobutyrylacetate mother liquor treatment equipment.

Background

Atorvastatin is a statin drug that is superior to revascularization procedures in reducing cardiovascular events. Methyl isobutyrylacetate is a key intermediate for synthesizing atorvastatin and has irreplaceability.

In the production process of methyl isobutyrylacetate, a large amount of mother liquor containing organic matters is generated, and if the mother liquor is directly discharged, the environment is greatly polluted, so that the mother liquor of methyl isobutyrylacetate needs to be treated and then discharged. Biochemical treatment is one of the treatment methods, and aeration is an essential process in the biochemical treatment. The aerator adopted by the existing methyl isobutyrylacetate mother liquor treatment device has an unreasonable structure, when the aerator is in a shutdown state, the mother liquor is easy to enter the inside of the aerator through the aeration holes, and because the aerator is mostly provided with the corrosion-resistant layer only on the outer side, the mother liquor can corrode the inside of the aerator, so that the service life of the aerator is greatly reduced; if the inside and outside of the aerator are made of corrosion-resistant materials, the use cost is greatly improved.

SUMMERY OF THE UTILITY MODEL

According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: provides a methyl isobutyrylacetate mother liquor treatment device which has lower use cost and can prolong the service life of an aerator.

The methyl isobutyrylacetate mother liquor treatment device comprises an aerobic tank, wherein a first air inlet is formed in the aerobic tank, an aerator is installed in the aerobic tank and comprises a tank body, a protective layer is fixed on the outer side of the tank body, a top cover is matched with the end part of the tank body and provided with a plurality of aeration holes, an air cavity is formed in the tank body, a valve seat penetrating into the air cavity is fixed at the bottom of the tank body, a second air inlet is formed in the bottom of the valve seat and connected with the first air inlet through an air conveying pipe, the top of the inner side of the valve seat is connected with a valve core corresponding to the second air inlet through a spring, and a plurality of air guide holes communicated with the air cavity penetrate through the side wall of the valve seat.

Foretell disk seat includes the barrel, and the second air inlet setting can be dismantled at the bottom of barrel and be fixed with the baffle at the top of barrel, and the spring is fixed on the baffle, and the air guide hole sets up on the lateral wall of barrel, and structural layout is reasonable, the change of the spring of being convenient for and case is maintained.

The baffle plate is in threaded connection with the cylinder body, and the disassembly and the installation are convenient.

The top cover is detachably connected with the tank body.

The top cover and the protective layer are made of corrosion-resistant materials.

The aeration hole is in a round table shape with a thin upper part and a thick lower part, so that gas can be conveniently discharged, and the aeration effect is better.

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

according to the methyl isobutyrylacetate mother liquor treatment device, only the outer layer of the aerator is made of the corrosion-resistant material, so that the use cost is low; meanwhile, the second air inlet is automatically sealed when the aerator is stopped, so that the pressure in the air cavity is ensured, mother liquor is prevented from entering the aerator from the aeration hole to corrode the inner wall of the aerator, and the service life of the aerator is effectively prolonged.

Drawings

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

FIG. 2 is an enlarged view taken at a in FIG. 1;

FIG. 3 is an enlarged view at b in FIG. 1;

fig. 4 is a schematic view of the structure of the valve seat of the present invention.

In the figure: 1. an aerobic tank; 2. a first air inlet; 3. a gas delivery pipe; 4. an aerator; 5. a protective layer; 6. a trough body; 7. an air cavity; 8. a top cover; 9. an aeration hole; 10. a valve seat; 11. a valve core; 12. a second air inlet; 13. an air vent; 14. a spring; 15. a barrel; 16. and a baffle plate.

Detailed Description

Embodiments of the utility model are further described below with reference to the accompanying drawings:

example 1:

as shown in fig. 1 to 3, the methyl isobutyrylacetate mother liquor treatment device comprises an aerobic tank 1, wherein a first air inlet 2 is arranged on the aerobic tank 1, an aerator 4 is arranged in the aerobic tank 1, the aerator 4 comprises a tank body 6, a protective layer 5 is fixed on the outer side of the tank body 6, a top cover 8 is matched with the end part of the tank body 6, a plurality of aeration holes 9 are arranged on the top cover 8, an air cavity 7 is arranged in the tank body 6, a valve seat 10 penetrating into the air cavity 7 is fixed at the bottom of the tank body 6, a second air inlet 12 is arranged at the bottom of the valve seat 10, the second air inlet 12 is connected with the first air inlet 2 through an air delivery pipe 3, the top of the inner side of the valve seat 10 is connected with a valve core 11 corresponding to the second air inlet 12 through a spring 14, and a plurality of air guide holes 13 communicated with the air cavity 7 are penetrated through the side wall of the valve seat 10.

When in use, the gas enters the second gas inlet 12 through the first gas inlet 2 and the gas pipe 3, so that the valve core 11 overcomes the elastic force of the spring 14 to move upwards, and the gas enters the gas cavity 7 through the gas guide hole 13 and is aerated through the aeration hole 9; when the machine is stopped, the gas stops being conveyed to the second gas inlet 12, and the valve core 11 moves downwards to block the second gas inlet 12 under the action of the spring 14, so that the gas in the gas cavity 7 is prevented from leaking, the pressure value in the gas cavity is ensured, and the mother liquid is prevented from entering the aerator 4 from the aeration hole 9.

According to the methyl isobutyrylacetate mother liquor treatment device, only the outer layer of the aerator 4 is made of the corrosion-resistant material, so that the use cost is low; meanwhile, the second air inlet 12 is automatically closed when the aerator is stopped, so that the pressure in the air cavity 7 is ensured, mother liquor is prevented from entering the aerator 4 from the aeration hole 9 to corrode the inner wall of the aerator 4, and the service life of the aerator 4 is effectively prolonged.

Example 2:

as shown in fig. 1 to 4, the methyl isobutyrylacetate mother liquor treatment device comprises an aerobic tank 1, wherein a first air inlet 2 is arranged on the aerobic tank 1, an aerator 4 is arranged in the aerobic tank 1, the aerator 4 comprises a tank body 6, a protective layer 5 is fixed on the outer side of the tank body 6, a top cover 8 is matched with the end part of the tank body 6, a plurality of aeration holes 9 are arranged on the top cover 8, an air cavity 7 is arranged in the tank body 6, a valve seat 10 penetrating into the air cavity 7 is fixed at the bottom of the tank body 6, a second air inlet 12 is arranged at the bottom of the valve seat 10, the second air inlet 12 is connected with the first air inlet 2 through an air conveying pipe 3, the top of the inner side of the valve seat 10 is connected with a valve core 11 corresponding to the second air inlet 12 through a spring 14, and a plurality of air guide holes 13 communicated with the air cavity 7 are penetrated through the side wall of the valve seat 10.

The valve seat 10 comprises a cylinder body 15, the second air inlet 12 is arranged at the bottom of the cylinder body 15, a baffle 16 is detachably fixed at the top of the cylinder body 15, the spring 14 is fixed on the baffle 16, and the air guide hole 13 is arranged on the side wall of the cylinder body 15, so that the structural layout is reasonable, and the replacement and maintenance of the spring 14 and the valve core 11 are convenient; the baffle 16 is in threaded connection with the cylinder body 15, so that the disassembly and the installation are convenient; the top cover 8 is detachably connected with the tank body 6; the top cover 8 and the protective layer 5 are made of corrosion-resistant materials; the aeration hole 9 is in a round table shape with a thin upper part and a thick lower part, so that gas can be conveniently discharged, and the aeration effect is better.

Claims

1. The utility model provides a methyl isobutyrylacetate mother liquor processing apparatus, includes good oxygen pond (1), is equipped with first air inlet (2) on good oxygen pond (1), installs aerator (4) in good oxygen pond (1), its characterized in that: aerator (4) includes cell body (6), the outside of cell body (6) is fixed with protective layer (5), the tip of cell body (6) matches has top cap (8), be equipped with a plurality of aeration holes (9) on top cap (8), the inside of cell body (6) is air cavity (7), the bottom of cell body (6) is fixed with disk seat (10) that run through to air cavity (7) in, the bottom of disk seat (10) is equipped with second air inlet (12), be connected through gas-supply pipe (3) between second air inlet (12) and first air inlet (2), the inboard top of disk seat (10) is connected with case (11) corresponding with second air inlet (12) through spring (14), it has a plurality of air guide hole (13) that communicate with air cavity (7) to run through on the lateral wall of disk seat (10).

2. The apparatus for treating methyl isobutyrylacetate mother liquor according to claim 1, wherein: the valve seat (10) comprises a cylinder body (15), the second air inlet (12) is formed in the bottom of the cylinder body (15), a baffle (16) is detachably fixed to the top of the cylinder body (15), the spring (14) is fixed to the baffle (16), and the air guide hole (13) is formed in the side wall of the cylinder body (15).

3. The apparatus for treating methyl isobutyrylacetate mother liquor according to claim 2, wherein: the baffle (16) is in threaded connection with the cylinder body (15).

4. The apparatus for treating methyl isobutyrylacetate mother liquor according to claim 3, wherein: the top cover (8) is detachably connected with the groove body (6).

5. The apparatus for treating methyl isobutyrylacetate mother liquor according to claim 1, wherein: the top cover (8) and the protective layer (5) are made of corrosion-resistant materials.

6. The apparatus for treating methyl isobutyrylacetate mother liquor according to claim 1, wherein: the aeration holes (9) are in a round table shape with a thin upper part and a thick lower part.