CN215463315U

CN215463315U - Liquid cross-flow membrane microfiltration system

Info

Publication number: CN215463315U
Application number: CN202121394903.4U
Authority: CN
Inventors: 沐海军; 徐燕红; 钱志刚
Original assignee: Suzhou Haoweijia Food Co ltd
Current assignee: Suzhou Haoweijia Food Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-11
Anticipated expiration: 2031-06-22

Abstract

The application relates to a liquid cross-flow membrane microfiltration system, which comprises a filtering device and an exhaust device arranged on one side of the filtering device; the filtering device comprises a cross-flow filter and a discharge pipe; the exhaust device comprises an exhaust pipe connected with the discharge pipe; the exhaust pipe is provided with a first valve; the discharging pipe is provided with a second valve, and the position where the discharging pipe is connected with the discharging pipe is located between the second valve and the cross-flow filter. The first valve is opened, the second valve is closed, the cross flow filter is started, and gas in the cross flow filter can enter the storage tank and be discharged, so that the gas is prevented from entering the gas position on the product production line, normal work of the production line is prevented from being influenced, and the quality of raw materials is guaranteed.

Description

Liquid cross-flow membrane microfiltration system

Technical Field

The application relates to the field of filtering devices, in particular to a liquid cross-flow membrane microfiltration system.

Background

Cross-flow membrane filtration is a physical separation of feed liquid by using porous membrane material as filter medium, and can separate yeast, particles or substances with different molecular weights from the feed liquid to obtain the required product. Because of high filtering effect and efficiency, the method is widely applied to the industries related to food and condiment production, such as the production of condiments such as white vinegar and cooking wine, and the raw materials of cooking wine and white vinegar need to be filtered after fermentation is completed.

The liquid cross-flow membrane microfiltration system is usually connected with a fermentation tank, more gas is generated during acetic acid or alcohol fermentation, and the gas inevitably enters the liquid cross-flow membrane microfiltration system, so that when the liquid cross-flow membrane microfiltration system is started to work, the gas can enter other positions of a fermentation production line along with raw materials, the normal work of the production line can be influenced to a certain extent, and the quality of products can also be influenced.

SUMMERY OF THE UTILITY MODEL

In order to avoid the gas that raw materials fermentation produced to influence the normal work of production line to guarantee the quality of product, this application provides a liquid cross-flow membrane micro-filtration system.

The liquid cross-flow membrane microfiltration system provided by the application adopts the following technical scheme:

a liquid cross-flow membrane microfiltration system comprises a filtering device and an exhaust device arranged on one side of the filtering device; the filtering device comprises a cross-flow filter and a discharge pipe; the exhaust device comprises an exhaust pipe connected with the discharge pipe; a first valve is arranged on the exhaust pipe; and a second valve is arranged on the discharge pipe, and the position where the exhaust pipe is connected with the discharge pipe is positioned between the second valve and the cross-flow filter.

By adopting the technical scheme, the first valve is opened, the second valve is closed, the cross-flow filter is started, and gas in the cross-flow filter can enter the storage tank and be discharged, so that the gas is prevented from entering the gas position on the product production line, the normal work of the production line is prevented from being influenced, and the quality of raw materials is ensured. After the gas discharge is finished, the first valve is closed, the second valve is opened, and the raw materials can be directly discharged into the raw material tank from the discharge pipe.

Preferably, the exhaust pipe is connected with a storage tank.

Through adopting above-mentioned technical scheme, the holding vessel can be collected through blast pipe exhaust raw materials, avoids extravagant.

A floating piston is arranged in the storage tank, and an exhaust hole is formed in the floating piston; the storage tank is also provided with a discharging device for discharging the raw materials from the storage tank.

Through adopting above-mentioned technical scheme, through floating piston's height, can be convenient for monitor the content of the interior raw materials of holding vessel, convenient to use. And the discharge device can realize the recovery of raw materials.

Preferably, the exhaust pipe is connected with the bottom of the storage tank, and the bottom of the floating piston is provided with an air guide groove communicated with the exhaust hole.

Through adopting above-mentioned technical scheme, the setting of air guide groove can guarantee that gas normally discharges through the exhaust hole, guarantees exhaust apparatus's normal work.

Preferably, a displacement sensor for measuring the vertical displacement of the floating piston is arranged on the storage tank, and the displacement sensor is fixed on the storage tank.

Through adopting above-mentioned technical scheme, displacement sensor can monitor floating piston's position to promote exhaust apparatus's degree of automation, convenient to use.

Preferably, the discharge device is provided as a raw material pump, and the feed end of the raw material pump is connected with the storage tank.

Through adopting above-mentioned technical scheme, the feedstock pump can directly take out and let in to the head tank with the raw materials in the holding vessel in, realizes the recovery of raw materials.

Preferably, the discharging device is an air cylinder which is fixed on the storage tank, and a piston rod of the air cylinder is abutted against the floating piston; a third valve is arranged at the exhaust hole; and a fourth valve is also arranged on the discharge pipe and is positioned between the discharge pipe and the cross-flow filter.

By adopting the technical scheme, when the air needs to be discharged, the third valve is opened, and when the raw material needs to be recovered, the third valve and the fourth valve are closed; the cylinder can push the floating piston to move downwards, so that the raw materials in the storage tank are pushed into the exhaust pipe and the discharge pipe.

Preferably, the upper end of the floating piston is provided with a groove which is in plug-in fit with the piston rod of the cylinder.

Through adopting above-mentioned technical scheme, the stability of cooperation between cylinder piston rod and the floating piston can be promoted in the setting of recess.

In summary, the present application includes at least one of the following beneficial technical effects:

1. opening the first valve, closing the second valve, starting the cross-flow filter, and discharging gas in the cross-flow filter into the storage tank, so that the gas is not easy to enter the gas position on the product production line, the normal work of the production line is prevented from being influenced, and the quality of the raw materials is ensured;

2. the holding vessel can be collected through blast pipe exhaust raw materials, avoids extravagant, and discharge device can realize the recovery of the interior raw materials of holding vessel in can discharging the raw materials holding vessel simultaneously.

Drawings

FIG. 1 is a schematic diagram of a microfiltration system for a liquid cross-flow membrane according to example 1 of the present application;

FIG. 2 is a schematic view showing the structure of a storage tank in example 1 of the present application;

FIG. 3 is a schematic diagram of the floating piston construction;

fig. 4 is a schematic structural diagram of a liquid cross-flow membrane microfiltration system in example 2 of the present application.

In the drawings, the reference numbers: 1. a filtration device; 11. a cross-flow filter; 12. a discharge pipe; 13. a second valve; 14. a fourth valve; 2. an exhaust device; 21. an exhaust pipe; 22. a first valve; 23. a storage tank; 24. a floating piston; 241. an exhaust hole; 242. a gas guide groove; 25. a third valve; 26. a displacement sensor; 3. a discharge device; 4. a raw material tank.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example 1

The embodiment of the application discloses a liquid cross-flow membrane microfiltration system. Referring to fig. 1, a liquid cross-flow membrane microfiltration system includes a filtration apparatus 1 and a gas discharge apparatus 2. The filtration device 1 comprises a cross-flow filter 11 and a discharge pipe 12 connected with the cross-flow filter 11, wherein the discharge pipe 12 is connected with the raw material tank 4. A second valve 13 is attached to the outlet pipe 12. The exhaust device 2 includes an exhaust pipe 21, one end of the exhaust pipe 21 is connected to the discharge pipe 12, and a connection point of the exhaust pipe 21 and the discharge pipe 12 is located between the second valve 13 and the cross-flow filter 11, and the other end of the exhaust pipe 21 is connected to a storage tank 23, and a connection point of the exhaust pipe 21 and the storage tank 23 is located at the bottom of the storage tank 23.

Referring to fig. 1, the exhaust pipe 21 is provided with a first valve 22, the first valve 22 is opened and the second valve 13 is closed, the gas in the cross-flow filter 11 enters the storage tank 23, when the raw material flows into the storage tank 23, the first valve 22 is closed, the second valve 13 is opened, and the raw material enters the raw material tank 4, thereby completing the exhaust step.

Referring to fig. 2 and 3, a floating piston 24 is provided inside the reservoir tank 23, and the floating piston 24 is capable of floating up and down in the reservoir tank 23. A cross air guide groove 242 is formed at the bottom of the floating piston 24, an air discharge hole 241 is formed on the floating piston 24, the upper end of the air discharge hole 241 is located at the upper end of the floating piston 24, and the lower end of the air discharge hole 241 is located at the bottom of the floating piston 24 and is communicated with the air guide groove 242, so that the air is directly discharged through the air guide groove 242 and the air discharge hole 241 after entering the storage tank 23. The top wall of the storage tank 23 is opened with an exhaust port to facilitate the exhaust of gas. As the material enters the reservoir 23, the floating piston 24 moves upwardly under the buoyancy of the liquid.

Referring to fig. 2, a displacement sensor 26 is fixed on the storage tank 23, and a sensing end of the displacement sensor 26 is fixed on the floating piston 24, so as to detect the vertical displacement of the floating piston 24, which is convenient for monitoring by workers.

Referring to fig. 1 and 2, a discharging device 3 is further provided on the storage tank 23. Discharge device 3 sets up to the head pump, and the feed end and the holding vessel 23 of head pump are connected, and the discharge end is connected with head tank 4 to can let in the raw materials in the holding vessel 23 to head tank 4, realize the recovery of raw materials.

The implementation principle of the liquid cross-flow membrane microfiltration system in the embodiment of the application is as follows: when the first valve 22 is opened and the second valve 13 is closed, the gas in the cross-flow filter 11 enters the storage tank 23, and the gas enters the storage tank 23 and is directly discharged through the gas guide groove 242 and the gas discharge hole 241.

When the raw material flows into the storage tank 23, the floating piston 24 moves upwards, the displacement sensor 26 senses the movement of the floating piston 24, the first valve 22 is closed, and the second valve 13 is opened, so that the raw material can enter the raw material tank 4 from the cross-flow filter 11.

Example 2

The embodiment of the application discloses a liquid cross-flow membrane microfiltration system, which is different from the embodiment 1 in that, referring to fig. 4, a fourth valve 14 is installed on a discharge pipe 12, and the fourth valve 14 is located between an exhaust pipe 21 and a cross-flow filter 11. The exhaust hole 241 is also provided with a third valve 25.

Referring to fig. 4, the discharge device 3 is provided as a cylinder which is fixed on top of the storage tank 23 and is vertically arranged, and a piston rod of the cylinder extends to the inside of the storage tank 23. The center position of the upper end of the floating piston 24 is provided with a groove, and the end part of a piston rod of the air cylinder can enter the groove and is abutted against the floating piston 24, so that the floating piston 24 is pushed to move.

The implementation principle of the liquid cross-flow membrane microfiltration system in the embodiment of the application is as follows: when the raw material in the storage tank 23 needs to be discharged into the raw material tank 4, the first valve 22 and the second valve 13 are opened, the third valve 25 and the fourth valve 14 are closed, and the air cylinder pushes the floating piston 24 to move downwards, so that the raw material can be pushed into the raw material tank 4 from the storage tank 23.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A liquid cross-flow membrane microfiltration system, characterized in that: comprises a filtering device (1) and an exhaust device (2) arranged on one side of the filtering device (1); the filtering device (1) comprises a cross-flow filter (11) and a discharge pipe (12); the exhaust device (2) comprises an exhaust pipe (21) connected with the discharge pipe (12); a first valve (22) is arranged on the exhaust pipe (21); the discharge pipe (12) is provided with a second valve (13), and the position of the connection between the discharge pipe (12) and the discharge pipe (21) is located between the second valve (13) and the cross-flow filter (11).

2. The liquid cross-flow membrane microfiltration system according to claim 1, wherein: and the exhaust pipe (21) is connected with a storage tank (23).

3. The liquid cross-flow membrane microfiltration system according to claim 2, wherein: a floating piston (24) is arranged in the storage tank (23), and an exhaust hole (241) is formed in the floating piston (24); the storage tank (23) is also provided with a discharging device (3) for discharging the raw materials from the storage tank (23).

4. A liquid cross-flow membrane microfiltration system according to claim 3 wherein: exhaust pipe (21) are connected with the bottom of holding vessel (23), air guide groove (242) with exhaust hole (241) intercommunication is seted up to floating piston (24) bottom.

5. A liquid cross-flow membrane microfiltration system according to claim 3 wherein: the storage tank (23) is provided with a displacement sensor (26) for measuring the vertical displacement of the floating piston (24), and the displacement sensor (26) is fixed on the storage tank (23).

6. A liquid cross-flow membrane microfiltration system according to claim 3 wherein: the discharging device (3) is a raw material pump, and the feeding end of the raw material pump is connected with the storage tank (23).

7. A liquid cross-flow membrane microfiltration system according to claim 3 wherein: the discharging device (3) is arranged as an air cylinder, the air cylinder is fixed on the storage tank (23), and a piston rod of the air cylinder is abutted against the floating piston (24); a third valve (25) is arranged at the exhaust hole (241); a fourth valve (14) is further arranged on the discharge pipe (12), and the fourth valve (14) is positioned between the discharge pipe (21) and the cross-flow filter (11).

8. The liquid cross-flow membrane microfiltration system according to claim 7, wherein: the upper end of the floating piston (24) is provided with a groove which is in plug-in fit with the piston rod of the cylinder.