HPM series high-pressure foaming machine is zhangjiagang strength and industrious Machinery Co. Ltd following the international latest high technology and according to word wide the PU industry that independent innovation high technology products .The main parts are import from foreign country, equipment technical and safely performance are reached the word wide advanced capacity. The equipment is widely used automobile industry, insulation industry, air conditioning industry, electric appliance industry and furniture industry and so on. Also, expanding the application field .
HPM high -pressure foaming principle
Both Polyol and Isocyanate are stored separately in two tank, and used two rotary axial metering pumps to take material to mixing head, two components injection to a small mixing room at high pressure and flow rate when mixing head started in the hydraulic control, and collide with each other instantly, pass moving transformation that reached to mixing and flow to mold control, after pouring output time that mixing head piston rod forward, all material are pushed to mixing chamber and mixing chamber is cleaned by piston rod, don't left any material. Component passed beside of piston rod return to material tank. If it don't inject in a long time , low-pressure recalculation switchover unit but two-control component into low recalculation.
Because of equipment' exact calculation, has a small loss and needn't clean and it will be good at environment-protect and reduce the material costs. In the all areas that is to be more and more widely used.
In protective isolation room install 1 set dangerous gas monitoring sensors, at mixing head pouring region
The cyclopentane gaseous mixture safety monitoring control system
Inprotective isolation room install 1 set dangerous gas monitoringsensors, at mixing head pouring region, and other relevant regionalinstallation of sensors.
Safety monitoring control the parameterestablishment: When the cyclopentane gas integral volume in the airreaches the detonation lower limit (LEL) 20%, the warning lightflashing alarm, the exhaust ventilator be changed over to the capacityload movement, to display breakdown information; At LEL 40%acousto-optics alarm, the exhaust ventilator working at full capacityand cause to stop operating by disengaging a switch. First should fixthe breakdown, and carries on the essential maintenance, then theequipment can be reset by the professionals.
Explosion-proof measures on the machine:
Enclosure and gas-exhausting system for theunits of polyol /cyclopentane;
The flammable gas detecting and monitoring system;
Nitrogen gas pressurization for the container;
Ex type of the motors, valves and relevant electric elements;
Leakage monitoring and control;
Nitrogen gas filling for the mixing headpouring area (mold or cabinet space);