CN216419027U

CN216419027U - Mixing ratio device for preventing microbial cross contamination

Info

Publication number: CN216419027U
Application number: CN202122116996.0U
Authority: CN
Inventors: 许素金; 冯雪红; 朱焕宗
Original assignee: Guangdong Tiandiyihao Food Research Institute Co ltd
Current assignee: Guangdong Tiandiyihao Food Research Institute Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-05-03
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a mixing device for preventing microbial cross contamination, which comprises a first material cylinder, a second material cylinder, a material mixing cylinder and a control device, wherein the material mixing cylinder is connected with an air pressure balance pipe and a reprocessing cylinder, a material pumping pump is arranged between the material mixing cylinder and the reprocessing cylinder, the air pressure balance pipe is communicated with an air temporary storage tank, the air temporary storage tank is connected with an air filtering device, a pressurizing and air supplying device is arranged on the air filtering device, and the control device is respectively and electrically connected with the pressurizing and air supplying device and the material pumping pump. The material mixing cylinder is communicated with the air temporary storage tank through the air pressure balance pipe, air in the air temporary storage tank is pretreated through the air filtering device and is sterile, and therefore the material mixing cylinder can effectively prevent bacteria-containing air from entering a material mixing system and avoid the risk of cross contamination of material liquid.

Description

Mixing ratio device for preventing microbial cross contamination

Technical Field

The utility model relates to the technical field of mixing machines, in particular to a mixing device for preventing microbial cross contamination.

Background

The feed liquid mixing machine is indispensable production equipment in beverage processing. In order to keep the air pressure balance, a special balance pipe device needs to be designed for the mixing ratio machine to be directly communicated with the outside, the working principle is that when the air pressure in the cylinder of the mixing cylinder is higher than the outside pressure, positive pressure is formed, the air is automatically exhausted to the outside, and at the moment, the outside air with bacteria cannot pass through the balance pipe to the mixing ratio system, so that no microbial pollution is generated; however, when the feed liquid in the mixing cylinder is extracted, the air pressure in the cylinder is less than the external pressure to form negative pressure, and at the moment, external bacteria-carrying air enters the mixing ratio system through the balance pipe, so that microbial pollution is caused.

Due to the influence of cost factors and system CIP cleaning on purification systems and other factors, a mixing machine is directly arranged in a normally-opened working area of a workshop by common beverage enterprises without a purification system, and bacteria-containing air is easily brought into the mixing machine to cause cross contamination. Therefore, there is a need to develop a mixer with a purification system to prevent microbial contamination of the feed liquid.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the mixing ratio device for preventing the cross contamination of the microorganisms, which effectively prevents air with bacteria from entering a mixing ratio system, reduces the contamination risk of the microorganisms and avoids the cross contamination.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a prevent microorganism cross contamination's mixing than device, includes first material jar, second material jar and controlling means, first material jar with second material jar is connected with the compounding jar jointly, the compounding jar is connected with atmospheric pressure balance pipe and retreatment jar, the compounding jar with set up the material pump between the retreatment jar, atmospheric pressure balance pipe intercommunication air temporary storage tank, air temporary storage tank is connected with air filter equipment, the last pressurization air supply arrangement that is provided with of air filter equipment, controlling means respectively with pressurization air supply arrangement material pump electric connection.

Further, the first material tank is a water tank, the second material tank is a syrup tank, and the first material tank and the second material tank are arranged above the mixing tank.

Further, the lower ends of the first material cylinder and the second material cylinder are respectively provided with a proportional control valve, and the proportional control valves are used for controlling the first material and the second material to be mixed in proportion.

Further, the material pumping pump is connected with a motor, and the motor is used for driving the material pumping pump.

Further, be provided with the liquid level inductor on the compounding jar inner wall, compounding jar bottom is equipped with weighing sensor.

Further, a stirring device is arranged in the mixing cylinder.

Furthermore, the stirring device comprises a stirring shaft and a plurality of stirring blades arranged on the stirring shaft, and the plurality of stirring blades are arranged on the stirring shaft in a multi-layer manner.

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

the mixing cylinder is communicated with the air temporary storage tank through the air pressure balance pipe, air in the air temporary storage tank is pretreated through the air filtering device and is sterile, so that the air with bacteria can be effectively prevented from entering a mixing system, and the risk of cross contamination of feed liquid is avoided.

Drawings

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

FIG. 2 is a schematic view of the structure of the mixing bowl of the present invention.

In the figure:

1. a first material vat; 2. a second material cylinder; 3. a mixing cylinder; 4. a control device; 5. a reprocessing cylinder; 6. a material pumping pump; 7. a pressure balance tube; 8. an air temporary storage tank; 9. an air filtration device; 10. a pressurized air supply device; 11. a liquid level sensor; 12. a proportional control valve; 13. a stirring shaft; 14. a stirring blade.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly understood, the following description will be made with reference to the accompanying drawings and embodiments. The present invention may be embodied in many different forms and is not limited to the embodiments described herein.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1, the embodiment provides a mixing ratio device for preventing microbial cross contamination, including a first material cylinder 1, a second material cylinder 2 and a control device 4, the first material cylinder 1 and the second material cylinder 2 are connected with a material mixing cylinder 3, the material mixing cylinder 3 is connected with a reprocessing cylinder 5, a material pumping pump 6 is arranged between the material mixing cylinder 3 and the reprocessing cylinder 5, the material mixing cylinder 3 is further connected with an air pressure balance pipe 7, the other end of the air pressure balance pipe 7 is communicated with an air temporary storage tank 8, the air temporary storage tank 8 is connected with an air filtering device 9, the air filtering device 9 is provided with a pressurizing air supply device 10, and the control device 4 is electrically connected with the pressurizing air supply device 10 and the material pumping pump 6 respectively.

In the present embodiment, the first material tank 1 and the second material tank 2 are used for containing the material to be processed, generally, the material is a fluid liquid, preferably, the first material tank 1 and the second material tank 2 are respectively a water tank and a syrup tank for containing edible water and pre-treated concentrated syrup, and the re-treatment tank 5 is a carbonization tank.

The first material cylinder 1 and the second material cylinder 2 are arranged above the mixing cylinder 3, a liquid level sensor 11 is arranged on the inner wall of the mixing cylinder 3, and the position of the liquid level sensor 11 is arranged at the upper half part of the mixing cylinder 3 and has a certain distance from the top end of the mixing cylinder 3; the lower ends of the first material cylinder 1 and the second material cylinder 2 are both provided with a proportional control valve 12, and the proportional control valve 12 is used for controlling the first material and the second material to be mixed in proportion. Specifically, the first material cylinder 1 and the second material cylinder 2 adopt a pressure-backup control principle to realize automatic and stable mixing ratio start and stop through a liquid level sensor 11 of the mixing cylinder 3 according to a valve opening ratio.

The mixing cylinder 3 is mainly used for proportioning and mixing the materials in the first material cylinder 1 and the second material cylinder 2, and in order to improve the mixing effect and the mixing efficiency, a stirring device is arranged in the mixing cylinder, can be arranged at the bottom of the mixing cylinder 3, and drives the materials in the cylinders to be mixed by stirring at the bottom; referring to fig. 2, the stirring device may also be installed on the top end of the mixing cylinder 3, and includes a stirring shaft 13 and a plurality of stirring blades 14 disposed on the stirring shaft 13, the stirring shaft 13 is fixed on the top end of the mixing cylinder 3, the plurality of stirring blades 14 are disposed on the stirring shaft 13 in a multi-layer manner, and the stirring shaft 13 rotates to drive the stirring blades 14 to rotate and stir in the cylinder.

After the feed liquid in the mixing cylinder 3 is mixed, the next process needs to be extracted for reprocessing, in this embodiment, the feed liquid entering the next process is controlled by the material extracting pump 6, the material extracting pump 6 is connected with a motor, and the material extracting pump 6 is driven by the motor. The bottom end of the mixing cylinder 3 is provided with a weighing sensor for weighing the quality of the feed liquid in the mixing cylinder 3 and conveniently monitoring the feed liquid condition of the mixing cylinder 3.

In order to ensure the normal operation, the mixing cylinder 3 needs to maintain the pressure balance in the mixing cylinder 3 during the extraction and addition of the feed liquid, so that an air pressure balance pipe 7 communicated with the air is arranged on the mixing cylinder 3.

In order to avoid the feed liquid of the bacterial contamination compounding jar 3 in the air, this embodiment with compounding jar 3 through air pressure balance pipe 7 intercommunication air temporary storage tank 8, the air in the air temporary storage tank 8 is through the pretreatment of air filter 9, is aseptic, can prevent effectively that there is the bacterial air to get into and mix than the system, reduces feed liquid pollution risk. In order to ensure the normal operation of the air filtering device 9, a pressurized air supply device 10 should be arranged on the air filtering device 9, and the pressurized air supply device 10 is used for overcoming the air backflow resistance, smoothly sending the outside air into the air filtering device 9 for filtering, and bringing the processed sterile air into the air temporary storage tank 8, so that the sterile air in the air temporary storage tank 8 reaches the air volume required by the operation.

The air temporary storage tank 8 can be provided with a pressure gauge for observing the internal pressure of the air temporary storage tank 8 in real time and ensuring the sufficient air quantity in the air temporary storage tank 8. Can also set up discharge valve on the air jar of keeping in 8, compounding jar 3 can last to air jar 8 exhaust of keeping in the in-process that the feed liquid increases, if atmospheric pressure in the air jar 8 of keeping in is greater than atmospheric pressure, can carry out the pressure release of exhausting to the external world through discharge valve.

The control device 4 of this embodiment respectively with pressurization air supply arrangement 10, material pump 6 electric connection, the control signal of pressurization air supply arrangement 10 passes through control device 4 and inserts the control system of 3 feed liquid extractions of compounding jar, when material pump 6 opens and closes, can send the signal of telecommunication for control device 4, control device 4 adjusts pressurization air supply arrangement 10 then and carries out the signal change of opening and closing to reach the purpose of avoiding the external air of bringing into of bringing with the fungus.

The working principle of the embodiment is as follows:

the material pumping pump 6 is started, the control device 4 controls the pressurizing and air supplying device 10 to be started, sterile air processed by the air filtering device 9 is conveyed into the air temporary storage tank 8, meanwhile, in the process of pumping the material liquid of the material mixing cylinder 3 by the material pumping pump 6, the air pressure in the cylinder of the material mixing cylinder 3 is smaller than the air pressure in the air temporary storage tank 8, negative pressure is formed in the cylinder of the material mixing cylinder 3 at the moment, the sterile air in the air temporary storage tank 8 is continuously input into the material mixing cylinder 3, and the pressure balance in the cylinder of the material mixing cylinder 3 is maintained;

the material pump 6 stops pumping the material, the proportional control valve 12 is opened, the materials in the first material cylinder 1 and the second material cylinder 2 flow into the mixing cylinder 3 according to the proportion of opening the valve, the air pressure in the cylinder is greater than the air pressure in the air temporary storage tank 8 in the feed liquid increasing process of the mixing cylinder 3, positive pressure is formed in the cylinder of the mixing cylinder 3 at the moment, the air is automatically exhausted to the air temporary storage tank 8, and in the process, the external air is not required to participate, so that the cross pollution can not be caused.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should fall within the protection scope of the present invention.

Claims

1. The utility model provides a prevent microbial cross contamination's mix than device, its characterized in that, includes first material jar (1), second material jar (2) and controlling means (4), first material jar (1) with second material jar (2) are connected with compounding jar (3) jointly, compounding jar (3) are connected with atmospheric pressure balance tube (7) and reprocess jar (5), compounding jar (3) with set up between reprocessing jar (5) and draw material pump (6), atmospheric pressure balance tube (7) intercommunication air temporary storage tank (8), air temporary storage tank (8) are connected with air filter (9), be provided with pressurization air supply arrangement (10) on air filter (9), controlling means (4) respectively with pressurization air supply arrangement (10), draw material pump (6) electric connection.

2. A mixing device for preventing cross-contamination of microorganisms according to claim 1, wherein the first material tank (1) is a water tank, the second material tank (2) is a syrup tank, and the first material tank (1) and the second material tank (2) are arranged above the mixing tank (3).

3. The mixing ratio device for preventing the cross contamination of microorganisms according to claim 1, wherein the lower ends of the first material cylinder (1) and the second material cylinder (2) are provided with proportional control valves (12).

4. A mixing ratio device for the prevention of microbial cross-contamination according to claim 1, wherein an electric motor is connected to the pump (6) for driving the pump (6).

5. The mixing device for preventing microbial cross contamination according to claim 1, wherein a liquid level sensor (11) is arranged on the inner wall of the mixing cylinder (3), and a weighing sensor is arranged at the bottom end of the mixing cylinder (3).

6. A mixing device for the prevention of microbial cross-contamination according to claim 1, wherein stirring means are provided in the mixing bowl (3).

7. The mixing ratio device for preventing the cross contamination of microorganisms according to claim 6, wherein the stirring device comprises a stirring shaft (13) and a plurality of stirring blades (14) arranged on the stirring shaft (13), and the plurality of stirring blades (14) are arranged on the stirring shaft (13) in multiple layers.