CN215209413U

CN215209413U - Fermentation cylinder that function was got rid of to possesses foam

Info

Publication number: CN215209413U
Application number: CN202121429934.9U
Authority: CN
Inventors: 张媛媛
Original assignee: Weifang Engineering Vocational College
Current assignee: Weifang Engineering Vocational College
Priority date: 2021-06-26
Filing date: 2021-06-26
Publication date: 2021-12-17
Anticipated expiration: 2031-06-26

Abstract

The utility model relates to the technical field of fermentation tanks, in particular to a fermentation tank with a foam removing function, which comprises a body, wherein a stirring shaft is arranged in the body, and the fermentation tank also comprises a collecting tank, a filter screen, defoaming pulp and a cylinder; defoaming slurry is fixedly arranged at the upper part of the stirring shaft; the top of the body is fixedly provided with an air cylinder; the piston rod of the air cylinder penetrates through the body and is arranged in the body, and the piston rod is connected with the filter screen; the filter screen is arranged below the defoaming slurry; the stirring shaft penetrates through the filter screen; the liquid inlet of the collecting tank is arranged on the side wall of the body and above the filter screen for collecting foam. Compared with the prior art, the action through the cylinder drives the filter screen and reciprocates at fermentation liquid surface, and the cooperation defoaming thick liquid is eliminated the foam to dial into the collection jar through the defoaming thick liquid when the foam is more, collect the foam, realize the automatic elimination of foam.

Description

Fermentation cylinder that function was got rid of to possesses foam

Technical Field

The utility model relates to a fermentation cylinder technical field specifically discloses a fermentation cylinder that function is got rid of to possesses foam.

Background

In fermentation process, can produce a large amount of foams in the fermentation cylinder headspace to lead to the zymotic fluid to spill over, the mode of getting rid of the foam at present mainly includes the mode of chemistry defoaming and mechanical defoaming, and the chemistry defoaming is eliminated the foam through adding the defoaming agent in to the fermentation cylinder, but, the addition of defoaming agent must influence the finished product quality after the fermentation.

The existing mechanical defoaming is mainly to take the foam away through a suction device, but the foam is positioned on the surface of the fermentation liquor, and the fermentation liquor is often sucked away together due to overlarge suction force during direct suction, so that the fermentation yield is influenced.

SUMMERY OF THE UTILITY MODEL

The above-mentioned not enough to prior art, the utility model provides a fermentation cylinder that function was got rid of to possess the foam to the interpolation defoaming agent that exists influences the quality and absorbs the problem that the foam influences fermentation output among the solution prior art.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a fermentation tank with a foam removing function comprises a body, wherein a stirring shaft is arranged in the body, and the fermentation tank also comprises a collecting tank, a filter screen, defoaming slurry and a cylinder; defoaming slurry is fixedly arranged at the upper part of the stirring shaft; the top of the body is fixedly provided with an air cylinder; the piston rod of the air cylinder penetrates through the body and is arranged in the body, and the piston rod is connected with the filter screen; the filter screen is arranged below the defoaming slurry; the stirring shaft penetrates through the filter screen; the liquid inlet of the collecting tank is arranged on the side wall of the body and above the filter screen for collecting foam. The action through the cylinder drives the filter screen and reciprocates at fermentation liquid surface, and the cooperation defoaming thick liquid is eliminated the foam to dial into the collection tank through the defoaming thick liquid in the foam when more, collect the foam, realize the automatic elimination of foam.

Preferably, the top of the collecting tank is provided with an exhaust pipe, and the bottom of the collecting tank is provided with a liquid discharge pipe; and a filtrate net is arranged in the exhaust pipe. The gas in body and the collection tank passes through the blast pipe discharge, and the setting of filtrating net can filter out the liquid of carrying in the foam and fall back the collection tank. The liquid discharge pipe is convenient for recovering the liquid in the collection tank.

Preferably, the defoaming pulp comprises a fixed disc, a plurality of telescopic rods and a roller; the fixed disc is fixedly arranged on the stirring shaft; the telescopic rods are uniformly arranged on the bottom surface of the fixed disc; the roller is rotatably arranged at the end part of the telescopic rod. The setting of a plurality of telescopic links can cooperate the cylinder action, improves the clearance efficiency of foam.

Preferably, the telescopic rod comprises a sleeve, a sliding rod and a spring; the sleeve is fixedly arranged on the bottom surface of the fixed disc; one end of the spring is fixedly arranged on the inner bottom surface of the sleeve, and the other end of the spring is fixedly connected with the sliding rod; the sliding rod is sleeved in the sleeve; the roller is rotatably arranged at the other end of the sliding rod. The arrangement of the spring ensures the contact between the roller and the filter screen and ensures the foam eliminating efficiency.

Preferably, the lower part of the body is provided with an air inlet pipe for providing oxygen for fermentation.

Preferably, the air inlet pipe is arranged in a circular ring shape, so that the uniform distribution of oxygen is ensured, and the fermentation efficiency is ensured.

The utility model has the advantages that: the action through the cylinder drives the filter screen and reciprocates at fermentation liquid surface, and the cooperation defoaming thick liquid is eliminated the foam to in the collection tank is dialled the foam through the defoaming thick liquid when the foam is more, collect the foam, realize the automatic elimination of foam, improved foam elimination efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view taken along line A-A in FIG. 1;

description of reference numerals:

1-body, 2-stirring shaft, 3-collecting tank, 4-filter screen, 5-defoaming slurry, 6-cylinder, 7-liquid inlet, 8-exhaust pipe, 9-liquid discharge pipe, 10-filter screen and 11-air inlet pipe;

501-fixed disk, 502-roller, 503-sleeve, 504-sliding rod.

Detailed Description

The present invention will be further described with reference to the following examples.

Example 1

As shown in figure 1, a fermentation tank with a foam removing function comprises a body 1, wherein a stirring shaft 2 driven by a motor to rotate is arranged in the body 1, and an outlet pipe is arranged at the bottom of the body 1; the device also comprises a collecting tank 3, a filter screen 4, defoaming slurry 5 and a cylinder 6; defoaming slurry 5 is fixedly arranged at the upper part of the stirring shaft 2; the top of the body 1 is fixedly provided with a cylinder 6; a piston rod of the air cylinder 6 penetrates through the body 1 and is arranged in the body 1, and the piston rod is connected with the filter screen 4; two air cylinders 6 are arranged; the filter screen 4 is arranged below the defoaming pulp 5; the stirring shaft 2 penetrates through the filter screen 4; the liquid inlet 7 of the collecting tank 3 is arranged on the side wall of the body 1 and above the filter screen 4 for collecting foam. The action through cylinder 6 drives filter screen 4 and reciprocates on fermentation liquid surface, and cooperation defoaming thick liquid 5 is eliminated the foam to in foam is dialled into collection tank 3 through defoaming thick liquid 5 when the foam is more, collect the foam, realize the automatic elimination of foam. The top of the collecting tank 3 is provided with an exhaust pipe 8, and the bottom is provided with a liquid discharge pipe 9; a filtrate net 10 is arranged in the exhaust pipe 8. The gas in body 1 and the collection tank 3 is discharged through the exhaust pipe 8, and the setting of filtrating net 10 can filter out the liquid that carries in the foam and fall back to collection tank 3. The drain pipe 9 facilitates the recovery of the liquid in the collection tank 3.

In order to ensure the foam elimination efficiency, the defoaming paddle 5 comprises a fixed disc 501, a plurality of telescopic rods and a roller 502; the fixed disc 501 is fixedly arranged on the stirring shaft 2; the telescopic rods are uniformly arranged on the bottom surface of the fixed disc 501; the roller 502 is rotatably disposed at the end of the telescopic rod. The telescopic rod comprises a sleeve 503, a sliding rod 504 and a spring; the sleeve 503 is fixedly arranged on the bottom surface of the fixed disc 501; one end of the spring is fixedly arranged on the inner bottom surface of the sleeve 503, and the other end of the spring is fixedly connected with the sliding rod 504; the sliding rod 504 is sleeved in the sleeve 503; the roller 502 is rotatably disposed at the other end of the sliding rod 504. The setting of a plurality of telescopic links can cooperate 6 actions of cylinder, improves the clearance efficiency of foam. The arrangement of the spring ensures the contact between the roller 502 and the filter screen 4 and ensures the foam eliminating efficiency.

As shown in fig. 1 and 2, an intake pipe 11 is provided at a lower portion of the body 1. Intake pipe 11 is the ring form setting, guarantees that oxygen supplies with evenly distributed, guarantees fermentation efficiency.

Claims

1. A fermentation tank with a foam removing function comprises a body (1), wherein a stirring shaft (2) is arranged in the body (1), and is characterized by further comprising a collecting tank (3), a filter screen (4), defoaming slurry (5) and a cylinder (6); defoaming slurry (5) is fixedly arranged at the upper part of the stirring shaft (2); the top of the body (1) is fixedly provided with a cylinder (6); a piston rod of the air cylinder (6) penetrates through the body (1) and is arranged in the body (1), and the piston rod is connected with the filter screen (4); the filter screen (4) is arranged below the defoaming slurry (5); the stirring shaft (2) penetrates through the filter screen (4); the liquid inlet (7) of the collecting tank (3) is arranged on the side wall of the body (1) and above the filter screen (4) and is used for collecting foam.

2. The fermentation tank with the function of removing foam according to claim 1, wherein the top of the collection tank (3) is provided with an exhaust pipe (8), and the bottom is provided with a drain pipe (9); and a filtrate net (10) is arranged in the exhaust pipe (8).

3. The fermenter with foam removing function according to claim 1, wherein the defoaming paddle (5) comprises a fixed tray (501), a plurality of telescopic rods and a roller (502); the fixed disc (501) is fixedly arranged on the stirring shaft (2); the telescopic rods are uniformly arranged on the bottom surface of the fixed disc (501); the roller (502) is rotatably arranged at the end part of the telescopic rod.

4. The fermenter with foam removing function according to claim 3, wherein the telescopic rod comprises a sleeve (503), a slide rod (504) and a spring; the sleeve (503) is fixedly arranged on the bottom surface of the fixed disc (501); one end of the spring is fixedly arranged on the inner bottom surface of the sleeve (503), and the other end of the spring is fixedly connected with the sliding rod (504); the sliding rod (504) is sleeved in the sleeve (503); the roller (502) is rotatably arranged at the other end of the sliding rod (504).

5. The fermenter with a function of removing foam according to claim 1, wherein an air inlet pipe (11) is provided at a lower part of the body (1).

6. The fermenter with a froth removal function according to claim 5, wherein the air inlet pipe (11) is arranged in a circular ring shape.