| Raw Material Type | Specification Requirements | Reference Proportion |
|---|---|---|
| Hydrochloric Acid | Concentration 20%-31% | 2T (30% concentration) |
| Limestone | Calcium content 80%-90% | 1T |
| Calcium Oxide | Purity ≥90% | Replace limestone as needed |
| High-calcium Stone | Calcium content ≥85% | Can replace limestone |
| Step No. | Operation Link | Process Parameter Requirements | Core Function |
|---|---|---|---|
| 1 | Hydrochloric Acid Feeding | Stable flow, concentration 20%-31% | Provide acidic medium for reaction |
| 2 | Limestone Feeding | 2:1 (hydrochloric acid: limestone) ratio | Control reaction rate and product concentration |
| 3 | Hydrochloric Acid Pump Saturation | Maintain stable hydrochloric acid concentration in the tank | Ensure sufficient reaction |
| 4 | Constant Temperature Reaction | Reaction time 6-8 hours, normal temperature | Ensure full generation of calcium chloride |
| 5 | Plate and Frame Filter Press Solid-Liquid Separation | Filtration accuracy ≥0.1μm | Remove unreacted residues and insoluble impurities |
| 6 | pH Adjustment | Adjust to 7-8 | Precipitate metal ions and improve product purity |
| 7 | Finished Product Storage | Baume degree 28-35 | Produce qualified calcium chloride solution |
| Advantage Category | Specific Performance |
|---|---|
| Strong Raw Material Adaptability | Compatible with various raw materials such as hydrochloric acid, limestone, calcium oxide, and high-calcium stone, with flexible ratio switching based on raw material supply |
| High Production Efficiency | Single batch reaction cycle is 6-8 hours, automated process reduces manual intervention, daily production capacity can reach over 10T |
| Controllable Energy Consumption | Adopts normal temperature reaction process without additional heating, equipped with energy-saving pump sets and filtration equipment to reduce operating costs |
| Up-to-standard Product Purity | Multi-stage filtration and pH adjustment process effectively remove impurities such as iron and magnesium, and product purity meets industrial standards |