A lance is used in the sampling of bulk materials to take representative samples from a bulk container or pile. It is a special tool designed to penetrate the material and take samples from different places. Here are some of the main functions and applications of a lance, as well as some of the possible requirements for design, material, equipment and cleaning:
Tasks and areas of application:
- Representative sampling: Stinging lances are designed to penetrate deep into the bulk material to collect samples from different depths. This helps to obtain a representative sample of the entire material.
- Versatility: They are used in various industries, including food, mining, chemical, agriculture, etc.
- Automated or manual sampling: Lances can be used manually or as part of an automated sampling system.
Requirements for design, material, equipment and cleaning:
- Material: The materials must often be corrosion-resistant and suitable for contact with the specific bulk material. In the food industry, they must be food-safe, and in the chemical sector they must often be resistant to aggressive substances.
- Design: The design of the lance must take into account the type of bulk material. Some bulk materials require special tips or shapes in order to be sampled correctly.
- Equipment: There may be additional equipment, such as temperature control or special seals, depending on the requirements of sampling.
- Cleaning: Cleaning procedures often need to be tightly controlled to avoid contamination between samples. In the food industry or in pharmaceutical applications, cleaning requirements can be particularly strict.
- Regulations: Some industries and countries may have specific laws and regulations that govern the design, material, and use of lances. Compliance with these requirements is essential.
Overall, the lance enables effective and representative sampling of bulk materials. However, it must be carefully selected and managed in terms of material, design, equipment and cleaning to ensure correct results and meet legal requirements.