Cocoon processing technology

2021-09-23 08:21:18

Raw silk production refers to the whole process of putting silkworm cocoon as raw material into raw silk packaging and storage. The process flow is: mixing èŒ§ èŒ§ èŒ§ èŒ§ â†’ â†’ èŒ§ èŒ§ èŒ§ èŒ§ â†’ â†’ â†’ â†’ èŒ§ â†’ èŒ§ èŒ§ ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« ç¼« â†’ â†’ â†’ å¤ å¤ å¤ å¤ å¤ å¤ å¤ å¤ å¤ â†’ å¤ å¤ å¤ æ•´ç† æ•´ç† æ•´ç† æ•´ç† æ•´ç† æ£€éªŒ æ£€éªŒThe first four processes are the processing of cocoons.

1. The mixed silk industry claims that the station is Zhuangkou. Mixing is based on the requirements of the process design to evenly mix two or more of the mouths and buns. The purpose is to increase the number of batches, balance the quality of raw materials, stabilize the process and operation, and improve the quality and yield of raw silk. Mixing can be done manually or mechanically. Commonly used mixing machines include two kinds of mixing machines, ie, smashing machines and smashing machines (without smashing clothes).

2. A layer of silk clothing is peeled off from the razor clams. The fibers are thin and fragile, and the silk is messy. It cannot be used for reeling. It must be peeled off first, so that the selection operation and enamel quality can be differentiated to ensure that the amount of cockroaches is transferred. Accurate and cooked evenly. Peeling is done on a hoeing machine.

3. Each batch of silkworm cocoon in the election has cocoon type size, thickness and color difference of the cocoon layer. For this purpose, the coffin cocoon needs to be classified according to the requirements of the process design, and the coffins that cannot be cocooned in the raw cocoons (such as the double house) should be removed.èŒ§ è–„ è–„, è–„, ç©¿, é»„, é»„, é‡, è½¯, æ·±, èŒ§, etc.) The raw material after the removal of the ankle is the upper rut, which is divided into two categories: upper jaw and secondary jaw. If the product level requirements are high, in the case of unsatisfactory enamel quality, it is necessary to strictly exclude the minor blemishes and classify them by size, which is called selection. In the cart, you can further select the size, thickness, and color of the dice. Election equipment generally uses a simple conveyor belt selection machine, each equipped with 3 to 4 workers, responsible for the division of labor, artificial selection. The type-selection rake is usually a screen rake, and the upper rake is sorted by a machine sifter.

4. The cohesive force between the cocoon filaments on the cocoon cocoon layer is relatively large, while the cocoon wire has a faster extraction speed and greater tension, which can easily break the wire. The boiled boil can properly swell and dissolve the sericin to enhance the strength of the boiled silk and ensure that the boiled silk can be continuously and sequentially disintegrated. Therefore, the essence of cooking oysters is to reduce the binding force between the silk enamel to a certain degree of procedure, which facilitates the reeling process.

At present, the most commonly used is a rotary steam cooker. Whether the boiled clams process is appropriate or not has a close relationship with the yield, quality, and mortality of cocoon silk. Process conditions such as temperature, steam pressure, etc., need to be determined depending on the grade and output of raw silk produced.

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