FIELD: chemistry.
SUBSTANCE: present invention relates to chemical engineering, and to high-pressure technology of making diamonds, particularly for growing large crystals, the process of which is long. The high-pressure apparatus has a multiple-punch unit, which is enclosed in a sealed elastic casing 6. In the first version the multiple-punch unit is fitted on a sealed hollow platform 1, which has at least two sealed cavities 10, at least one of which is linked through a valve with the external environment for filling with water when submerged. In the second cavity there is a motor 11, with a pump for pumping water from the first sealed cavity when raising the apparatus. In the second version the sealed cavities can be made in the sealed hollow platform and in one of the punches. In the third version the sealed cavities can be made in at least two punches of the multiple-punch unit.
EFFECT: no use of load-carrying structures and compressors in the apparatus due to the possibility of using natural water column pressure, created by the Earth gravitational field.
15 cl, 2 dwg
