| 摘要 |
<p>A self-cleaning dosing pump system for delivering a slurry of solid particles and water. The dosing pump system comprises a membrane metering pump (10) and at least one sieve (11-13), arranged at the delivery end of the pump (10). The invention is particularly applicable to delivering a slurry of microsilica to a spray nozzle (5) for shotcreting.</p> |
