CN218507765U

CN218507765U - Defoaming device in lysine production

Info

Publication number: CN218507765U
Application number: CN202222735974.7U
Authority: CN
Inventors: 李红远; 张天水; 吴泽华; 孙敬善
Original assignee: Linqing Deneng Goldencorn Biological Co ltd; Shouguang Golden Far East Modified Starch Co ltd; Shouguang Jinyumi Biotechnology Co ltd; SHANDONG SHOUGUANG JUNENG GROUP GOLDEN CORN CO LTD
Current assignee: Linqing Deneng Goldencorn Biological Co ltd; Shouguang Golden Far East Modified Starch Co ltd; Shouguang Jinyumi Biotechnology Co ltd; SHANDONG SHOUGUANG JUNENG GROUP GOLDEN CORN CO LTD
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-02-21
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses the technical field of fermentation equipment, and discloses a defoaming device in lysine production, which comprises a fermentation tank, wherein a stirring shaft is arranged at the center of the fermentation tank from top to bottom, a disc with an opening at the upper end and a closed lower end is fixedly connected on the stirring shaft close to the top of the fermentation tank, hollow defoaming pulp is symmetrically arranged at two sides of the disc, and a discharge port is arranged on the side wall of the disc and communicated with an inner cavity of the defoaming pulp; one side of each of the two discharge ports of the disc is provided with a baffle plate, the outer side of each baffle plate is fixedly connected to the side wall of the disc, and the inner side of each baffle plate extends to the radius of the disc within 0.2-0.3 of the disc; a defoaming agent feeding pipe is arranged above the disc between the inner side of the baffle and the stirring shaft; the lower part of defoaming thick liquid all evenly is equipped with a plurality of rake teeth, and the defoaming thick liquid bottom between the adjacent rake teeth all is equipped with material hole thoroughly. The utility model discloses increase the defoaming area, reduce the defoaming agent quantity, improve the fermentation cylinder dissolved oxygen, improved the fermentation cylinder and produced acid and conversion rate to reach energy-conserving synergistic purpose.

Description

Defoaming device in lysine production

Technical Field

The utility model relates to a fermentation equipment technical field, concretely relates to fire fighting equipment in lysine production.

Background

Lysine is one of aliphatic basic amino acids, is one of eight essential amino acids required by growth and development of human beings and animals, and is the first limiting amino acid of cereal protein; lysine is a main additive of the current domestic and foreign complete compound feed, and has the effects of improving the utilization rate of the feed, promoting the growth of animals and improving the meat quality.

The fermenter is a bioreactor, and the bioreactor refers to a system of devices for providing a suitable reaction environment for living cells or enzymes and allowing them to proliferate or produce cells. The bioreactor provides a suitable growth environment for the growth and reproduction of bacteria and promotes the thalli to produce products required by people. At present, lysine is mainly produced by microbial fermentation, the microorganisms can generate foam when being cultured in a fermentation tank, the traditional defoaming mode is mainly controlled by mechanical rake type defoaming slurry or feeding a defoaming agent into the tank, or by combining the two modes, but when more foams exist, the defoaming task cannot be well finished by only one defoaming mode; when two kinds of modes combine to use, when machinery harrow formula defoaming thick liquids can not the complete defoaming, the system starts to flow and adds the bubble enemy and control the foam, and the pipeline mouth of pipe because of stretching into jar internal portion flow and add the bubble enemy is narrow, and disposable flow adds the face for a short time, and the long reaction of defoaming time is slower, and it is low to lead to the dissolved oxygen after the completion of foam reaction defoaming, and the bubble enemy adds the more dissolved oxygen that can lead to the dissolved oxygen to be low, and the control is leaned on and is added sugar and control the dissolved oxygen, leads to fermentation cylinder acid production conversion segregation.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: aiming at the defects in the prior art, the defoaming device in lysine production is provided, the defoaming area is increased, the consumption of the defoaming agent is reduced, the dissolved oxygen in a fermentation tank is improved, the acid production and conversion rate of the fermentation tank are improved, and therefore the purposes of energy conservation and efficiency improvement are achieved.

In order to solve the technical problem, the technical scheme of the utility model is that:

a defoaming device in lysine production comprises a fermentation tank, wherein a stirring shaft is arranged in the center of the fermentation tank from top to bottom, a disc with an open upper end and a closed lower end is fixedly connected onto the stirring shaft close to the top of the fermentation tank, hollow defoaming pulp is symmetrically arranged on two sides of the disc, and a discharge port is formed in the side wall of the disc and communicated with an inner cavity of the defoaming pulp; one side of each of the two discharge ports of the disc is provided with a baffle plate, the outer side of each baffle plate is fixedly connected to the side wall of the disc, and the inner side of each baffle plate extends to the radius of 0.2-0.3 of the disc inside the disc; a defoaming agent feeding pipe is arranged above the disc between the inner side of the baffle and the stirring shaft; the lower part of defoaming thick liquid all evenly is equipped with a plurality of rake teeth, and defoaming thick liquid bottom between the adjacent rake tooth all is equipped with material hole thoroughly.

Preferably, the bottom of the disc is symmetrically provided with four through holes close to the stirring shaft, a defoaming agent feeding pipe is arranged above the space between the through holes and the inner side of the baffle plate, and the pipe orifice of the defoaming agent feeding pipe extends to the position below the opening edge of the upper part of the disc. The through hole is used for preventing materials from being stored, and the stored materials are discharged into the fermentation tank after production is finished; during operation defoaming agent inlet pipe is with the material drippage to the disc, utilizes centrifugal force and baffle to carry the defoaming thick liquid with the material in to can not leak the material through the through-hole.

Furthermore, the defoaming agent feeding pipe penetrates through the top of the fermentation tank and is communicated with a defoaming agent storage tank arranged outside.

Preferably, the height of the disc is 100 mm.

Furthermore, the through hole is a through hole with the diameter of 20 mm.

Preferably, the upper part of the defoaming pulp is provided with a reinforcing rib. To fix and support the defoamed pulp.

Preferably, the baffle and the central line of the defoaming pulp form an included angle, and the included angle is 55-57 degrees.

Preferably, the diameter of the disc is 780 mm, the length of the defoaming pulp is 1290 mm, and the inner side of the baffle extends to 90mm from the edge of the disc to the inside of the disc.

Preferably, the width of each rake tooth is 90mm, the length of each rake tooth is 140 mm, and the distance between two adjacent rake teeth is 200 mm; the diameter of the material penetration hole is 10 mm.

Since the technical scheme is used, the beneficial effects of the utility model are that:

the utility model discloses a reform transform and will machinery harrow formula defoaming technique with spray that the defoaming agent technique is effectual to combine together. The defoaming area is increased, the dosage of the defoaming agent is reduced, the dissolved oxygen of the fermentation tank is improved, and the acid production and conversion rate of the fermentation tank are improved, so that the aims of energy conservation and efficiency improvement are fulfilled.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic side view of an embodiment of the present invention;

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

wherein: 1. a stirring shaft; 2. a disc; 3. defoaming pulp; 4. a baffle plate; 5. a defoaming agent feeding pipe; 6. rake teeth; 7. a material through hole; 8. a through hole; 9. and (7) reinforcing ribs.

Detailed Description

The invention is further explained below by referring to the drawings and examples.

As shown in fig. 1 and fig. 2, a defoaming device in lysine production comprises a fermentation tank (not shown), wherein a stirring shaft 1 is arranged in the center of the fermentation tank from top to bottom, a disc 2 with an opening at the upper end and a closed lower end is fixedly connected to the stirring shaft 1 near the top of the fermentation tank, hollow defoaming pulp 3 is symmetrically arranged on two sides of the disc 2, and a discharge port (not shown) is formed in the side wall of the disc 2 and communicated with an inner cavity of the defoaming pulp 3; one side of each of the two discharge ports of the disc 2 is provided with a baffle 4, the outer side of each baffle 4 is fixedly connected to the side wall of the disc 2, and the inner side of each baffle 4 extends to 90mm from the edge of the disc 2 to the inside of the disc 2; a defoaming agent feeding pipe 5 is arranged above the disc 2 between the inner side of the baffle 4 and the stirring shaft 1; the lower part of defoaming thick liquid 3 all evenly is equipped with a plurality of rake teeth 6, and defoaming thick liquid 3 bottom between the adjacent rake teeth 6 all is equipped with material hole 7 thoroughly.

Four through holes 8 are symmetrically arranged at the bottom of the disc 2 close to the stirring shaft 1; the upper part of the defoaming pulp 3 is provided with a reinforcing rib 9.

In practical application, taking a 1-7# fermentation tank of a lysine production fermentation workshop as an example, the original defoaming pulp rake type defoaming pulp is replaced by the technical scheme of the utility model. During actual fermentation, if the foam in the fermentation tank is not too much, only the defoaming pulp 3 is used, and the rake teeth 6 are used for eliminating the foam generated by fermentation; when the foam output increases, then through the leading-in defoaming agent of defoaming agent inlet pipe 5 to disc 2 in, rotatory disc 2 utilizes centrifugal force and baffle 4 to lead in the defoaming thick liquid 3 with the defoaming agent, spray the liquid level of zymotic fluid through the material hole 7 of defoaming thick liquid 3 bottoms on, further carry out the defoaming, because the spraying area of defoaming agent is big, so through the combination with rake teeth 6, the defoaming is rapid, and saved the use amount of defoaming agent, discover simultaneously that the fermentation acid yield also correspondingly has promoted.

Through calculation, the unit consumption of 1.8 KG/ton of lysine for each ton of lysine foam enemy in 2021 year in 1-12 months is saved by 0.4 KG/ton of lysine compared with the unit consumption of 2.2 KG/ton of lysine for each ton of lysine foam enemy in 2020, and simultaneously the single-tank acid production of the fermentation tank is improved from 147 tons to 155 tons, and the acid production is improved by 8 tons.

Calculated according to 15 ten thousand tons of lysine produced annually, the bubble enemy is saved by 150000 multiplied by 0.4 KG/ton of lysine multiplied by 18 yuan/ton =108 ten thousand yuan.

The acid yield of the single tank is improved by 8 tons, and the annual yield of the single tank is 150000/155 tons, the acid yield of the single tank is multiplied by 8 tons, multiplied by 0.3 ten thousand yuan/ton lysine profit =2322.5 ten thousand yuan.

Therefore, the cost can be saved by 108+, 2322.5=2430.5 ten thousand yuan each year.

It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims

1. A defoaming device in lysine production, its characterized in that: the defoaming device comprises a fermentation tank, wherein a stirring shaft is arranged in the center of the fermentation tank from top to bottom, a disc with an opening at the upper end and a closed lower end is fixedly connected onto the stirring shaft close to the top of the fermentation tank, hollow defoaming pulp is symmetrically arranged on two sides of the disc, and a discharge hole is formed in the side wall of the disc and communicated with a defoaming pulp inner cavity; one side of each of the two discharge ports of the disc is provided with a baffle, the outer side of each baffle is fixedly connected to the side wall of the disc, and the inner side of each baffle extends to the disc inside at a radius of 0.2-0.3; a defoaming agent feeding pipe is arranged above the disc between the inner side of the baffle and the stirring shaft; the lower part of defoaming thick liquid all evenly is equipped with a plurality of rake teeth, and defoaming thick liquid bottom between the adjacent rake tooth all is equipped with material hole thoroughly.

2. The defoaming apparatus for lysine production as set forth in claim 1, wherein: the disc bottom is close to (mixing) shaft department symmetry and is equipped with four through-holes, the top between through-hole and the baffle inboard is equipped with the defoaming agent inlet pipe.

3. The defoaming apparatus for lysine production as set forth in claim 1, wherein: the pipe orifice of the defoaming agent feeding pipe extends to the position below the upper opening edge of the disc.

4. The defoaming apparatus for lysine production as set forth in claim 1, wherein: and reinforcing ribs are arranged at the upper parts of the defoaming paddles.

5. The defoaming apparatus for lysine production as set forth in claim 1, wherein: the baffle and the central line of defoaming thick liquid are the contained angle, and the angle of contained angle is 55 ~ 57 degrees.

6. The defoaming apparatus for lysine production as set forth in claim 1, wherein: the height of the disc is 100 mm.

7. The defoaming apparatus for lysine production as set forth in claim 2, wherein: the diameter of the through hole is 20 millimeters.

8. The defoaming apparatus for lysine production as set forth in claim 1, wherein: the diameter of the disc is 780 millimeters, the length of defoaming pulp is 1290 millimeters, and the inner side of the baffle extends to the inner part of the disc by 90 millimeters from the edge of the disc.

9. The defoaming apparatus for lysine production as set forth in claim 1, wherein: the width of each rake tooth is 90mm, the length of each rake tooth is 140 mm, and the distance between every two adjacent rake teeth is 200 mm; the diameter of the material penetration hole is 10 mm.