Operating procedure for heat transfer oil furnace

Thermal oil furnace operating procedures: First, the inspection before starting 1, the furnace and its surroundings are clean and free of debris, check the furnace body, burner, controller, fire hole, chimney, etc. is normal; 2. Reverse the process equipment and process, check whether the oil level ......

Edible fungi winter management three points

First, raise the temperature of the mushroom bed and create suitable conditions for the long mushroom. Cold in winter, pay attention to insulation. The film on the mushroom bed should be covered during the rest of the time unless it is peeled off. Pleurotus shed should dilute the covering on the s ......

The fur market is placid

Fur sales are stable In the near term, suede sales are stable. The North American auction is about to start shooting, and the middlemen in Shangcun and Shishi remain in a wait-and-see attitude. The price of Dalian Qichunpi (a raw hide) is about 255~260 yuan, and Shandong Qichunpi (a raw hide) pri ......

Electric drying oven maintenance manual II

Maintenance first volume two 1. Explosive, flammable and volatile materials should not be placed in the dry box to avoid explosion. 2. The average load of the sample shelf should not exceed 15kg. 3. Items cannot be placed on the shelf between the sample chamber and ......

Autumn laying hens need to pay attention to four points

The illumination time in autumn is gradually shortened, and the temperature difference between day and night is large. The following points should be noted in the rearing and management of laying hens: 1, artificial fill light. Light directly affects the sexual maturity, ovulation, and laying of ......

Soil Testing and Formula Fertilization Technology (3)

III. Basic Techniques for Determining Formulations The currently-applied formula fertilization techniques are divided from the different basis for quantitative fertilization. They can be grouped into the following three types: First Type of Fertility Zoning (Grade) and Methodology (Part 3) Method o ......