A dry-mix mortar plant can be configured to produce several products, such as tile adhesive, wall putty powder, plastering mortar and grout. However, a shared mixer and a recipe menu do not establish compatibility. Buyers need to confirm whether the complete system can handle each formulation, achieve the required output and change products without unacceptable carryover.
The starting point is your product range, including products planned for later expansion.
1. Can the products use the same storage and feeding system?
Prepare a raw-material list for each product. Identify shared ingredients, different sand grades, fillers and additives, together with how they arrive: bulk, big bags or small bags.
This determines the required storage compartments and feeding routes. Separate ingredients cannot simply share one bin because they are used at different times; emptying and cleaning arrangements must be considered. If you purchase dried, graded sand, explain this clearly. An upstream sand-processing system should only be included where your raw-material conditions require it.
2. Is changing the recipe on the screen enough?
Recipe software can store ingredient quantities and operating settings. The physical equipment must still deliver those quantities within the agreed tolerances.
Check the smallest and largest addition required from each weighing system. For example, an illustrative 1,000 kg batch containing 0.05% of an ingredient requires only 0.5 kg of that ingredient. A scale selected for bulk sand cannot automatically be assumed suitable for this task.
Ask how minor ingredients will be weighed, introduced and recorded, including any manual additions.
3. Can the mixer and downstream equipment handle product changes?
Confirm the permitted working batch range and suitable mixing conditions for each formulation. A small trial order may require a smaller batch than the mixer can process effectively.
Changeovers also involve equipment after the mixer. Review residual material in discharge hoppers, conveyors and packing equipment. When moving between coloured and white products, even a small carryover may be unacceptable.
Ask which areas can be emptied, how cleaning is performed and how the first product after a changeover will be checked. Where necessary, evaluate separate product-contact routes. Do not accept a fixed changeover time without a defined product sequence and cleaning requirement.
4. Will every product achieve the quoted output?
Ask which product, batch size and operating cycle support the quoted tonnes-per-hour figure. Different bulk densities, dosing sequences and mixing requirements can produce different results on the same equipment.
Then check downstream capacity. At 10 tonnes per hour in 20 kg bags, the packing section must handle an average of 500 bags per hour before allowing for interruptions. Bag replacement, sealing and conveying must fit that requirement.
For production planning, also allow for cleaning, replenishment and product changes. Operating throughput and saleable tonnes per shift are different measures.
5. Can one packing configuration cover all products?
Provide the bag type, dimensions, weight and closure requirements for every product. Filling behaviour and the bag design both affect equipment suitability.
For example, confirming that a machine handles valve bags does not establish compatibility with every valve construction or every powder. If ultrasonic sealing is required, the valve must also suit that sealing process.
Request trials with representative material and actual bags where compatibility is uncertain. Clarify whether bag placement, sealing, discharge, conveying and palletizing are included or optional.
6. Can more products be added later?
Describe your intended expansion before approving the layout. Future products may require additional storage, additive dosing, separate transfer routes or another packing arrangement.
Ask what is included now, what is merely reserved and what will require further investment. Check space, structural provisions, access, electrical capacity and control interfaces. A spare recipe slot does not provide the hardware needed for a new ingredient.
What should you send before requesting a quotation?
Prepare your product list, target output for each product, available raw-material information, bag specifications, site dimensions and expansion plans.
Ask the supplier to return a proposal identifying supported products, output assumptions, changeover arrangements, equipment scope and any trials still required.
CHANGYU INDUSTRIAL can review these project inputs with the technical team to develop an initial equipment configuration.