A bacteria adding device for yogurt production

By using a starter culture addition device in the yogurt production process, the initial mixing of milk and starter culture liquid is achieved, solving the problem of poor dispersion of starter culture liquid, reducing the burden on the mixing tank, saving costs and improving production efficiency.

CN224513497UActive Publication Date: 2026-07-17BEIJING HERUN DAIRY FACTORY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING HERUN DAIRY FACTORY
Filing Date
2025-06-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing technologies, the bacterial culture solution has poor dispersion in milk, which requires the mixing tank to spend a long time mixing, increasing the burden and affecting production efficiency and cost.

Method used

A yogurt production starter culture addition device was designed, including a transport pipe, a storage tank, a flow pump, and spiral mixing blades. The starter culture liquid is slowly pumped into the transport pipe by the flow pump to mix with milk, and then enters the mixing tank. The spiral blades promote mixing, and the mixing effect is improved by combining the stirring rod and stirring blades.

Benefits of technology

It improves the dispersion of the inoculum in milk, reduces the workload of the mixing tank, saves production costs, and increases production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224513497U_ABST
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Abstract

The utility model discloses a kind of strain adding device for yoghurt production, including horizontally arranged transport pipe, the one end of transport pipe is provided with the first flange for being connected with milk delivery pipeline, the other end is provided with the second flange for being connected with the injection tube of stirring tank, the one end of transport pipe close to the first flange is provided with support frame, storage tank for storing strain liquid is arranged on the support frame, the top of storage tank is connected with filling pipe, the bottom of storage tank is connected with adding pipe, the bottom of adding pipe is connected with the transport pipe, and flow pump is arranged on the adding pipe. The utility model can realize the preliminary mixing in the milk and strain liquid conveying process, can reduce the work burden of stirring tank, can save production cost, can also improve production efficiency.
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Claims

1. A yogurt production inoculum addition device, characterized in that: The system includes a horizontally arranged transport pipe (1), one end of which is provided with a first flange (2) for connecting to a milk transport pipe, and the other end is provided with a second flange (3) for connecting to the injection pipe of a mixing tank. A support frame (4) is provided at the end of the transport pipe (1) near the first flange (2). A storage tank (5) for storing inoculum liquid is provided on the support frame (4). An injection pipe (6) is connected to the top of the storage tank (5), and an addition pipe (7) is connected to the bottom of the storage tank (5). The bottom of the addition pipe (7) is connected to the transport pipe (1), and a flow pump (8) is provided on the addition pipe (7).

2. The bacterial strain adding device for yogurt production according to claim 1, characterized in that: Spiral mixing blades (9) are fixedly connected to the inner wall of the transport pipe (1).

3. The bacterial strain adding device for yogurt production according to claim 1, characterized in that: A stirring rod (10) is vertically arranged inside the storage tank (5). Multiple stirring wheels (11) are provided on the stirring rod (10). A drive mechanism (12) for controlling the rotation of the stirring rod (10) is provided on the storage tank (5).

4. The bacterial strain adding device for yogurt production according to claim 3, characterized in that: The top of the stirring rod (10) passes through the storage tank (5) and is rotatably connected to the storage tank (5) through a sealed bearing. The driving mechanism (12) includes a driving motor (121) fixed on the storage tank (5). A driving gear (122) is fixedly sleeved on the output shaft of the driving motor (121). A driven gear (123) is fixedly sleeved on the top of the stirring rod (10), and the driven gear (123) meshes with the driving gear (122).

5. The bacterial strain adding device for yogurt production according to claim 3, characterized in that: The bottom of the stirring rod (10) is coaxially fixedly connected to a support rod (13), the support rod (13) is centrally located inside the addition tube (7), and a spiral stirring blade (14) is fixedly connected to the support rod (13), and the stirring blade (14) abuts against the inner wall of the addition tube (7).

6. The strain addition device for yogurt production according to claim 1, characterized in that: The storage tank (5) is made of transparent material and has scale lines (15) on it.