The pickling steps are as follows:

1, raw material preparation. Eggs should be fresh, light without black spots, shaking without noise; When lime meets water, it needs to produce a lot of bubbles, and then it disintegrates and becomes loose into white powder; Soda is the alkaline surface for steaming steamed bread; The salt can be large grain salt or fine grain salt.

2. Boil the feed liquid. Boil black tea powder with water to make tea juice, then slowly pour it into a container filled with soda ash, salt, copper sulfate and quicklime while it is hot, stir evenly, remove impurities such as ash and stones at the bottom, and cool for later use.

3. Pickling. Put the eggs in the cleaning tank until the edge of the tank is 15 cm, and put bamboo strips and wooden strips to prevent the eggs from floating during pickling. Stir the feed liquid into the tank, submerge the egg surface, and then seal it with plastic sheets.

4. management. After pickling for 7 days, take 3 eggs and look at them in the light. If it is dark and opaque, open the small head of the egg and have a look. If the protein is solidified and transparent, it means that the salinization is normal.