Beneficiation two parts, in order to meet the production requirements of metallurgical steel grade fluorspar, each selected from the mining chamber provided artificial hand, hand-selected sub-chamber large, and small hand-selected block, ore through the grate and vibrating sieve It is divided into four grades of more than 200mm, 200~30mm, 30~15mm and 15~0mm, which are manually transported to the large, medium and small hand-selected chambers for manual selection, selecting fluorite concentrates and lean ore, concentrates. It is transported to the concentrate warehouse by small electric motor vehicle transportation, and then exported by automobile. The lean ore is hoisted to the yard or transported by car to the concentrator. The quality of each hand-selected grade of fluorite concentrate was determined according to the specific requirements of the users at that time. The CaF 2 content is generally required to be 80% or more. The hand selection process is shown in Figure 1. The ore dressing plant is located in Yangjia Mining Area. It is a multi-mine point centralized concentrating plant. Since it was completed and put into production in 1971, it has been transformed several times. In 1986, the ore dressing was three production series. The process department is characterized by stage grinding and stage. The selection, but the three series have their own characteristics. The first and second series are after the grinding of the original ore. After coarse grinding, the concentrate is re-grinded, and after six selections, the selected mines are returned to the previous operation in sequence. The sorting process is shown in Figure 2. The crushing and sieving equipment is shared with the three series. The three series selection process is basically the same as the first and second series, but it is more flexible than the first and second series. The refinement of the selected mine can be returned in sequence and re-selected. It can also be returned and re-selected. The mine circuit can be carried out as needed. At the same time, the neutral or weak acid pulp flotation was adopted and the new agent H1101 was adopted; the automatic control was realized in a section of the grinding circuit, and the selection process is shown in Fig. 3. The production process indicators are shown in Table 4. The unit consumption is shown in Table 5. The main equipment is shown in Table 6.
Hollow anchor bar means a rod that transfers the structures or geotechnical load to a stable rock formations, anchor bolt consists of rod, drill bit, coupling, plate, grouting stopper and nut. Widely used as an efficient anchoring means, in tunnel pre-support, slope, coast, mine, water conservancy projects, building foundation, roadbed reinforcement and geological diseases treatment such as landslip, crack, sink age. It`s irreplaceable in narrow construction environment. Hollow anchor bar is made of seamless tube with high strength.
Threaded Anchor Bar,Anchor Bolt Threaded Bar,Hollow Grouting Anchor Bar Shandong Guanzhou Iron and Steel Group Co., Ltd , https://www.cnshansteel.com