| 摘要 |
In the present invention there is disclosed a gravimetric dosing and mixing process of at least two components. The invented process is characterized in that the first component /K1/ is filled in a first weighing tank /11/ and then the first component /K1/ of the first weighing tank /11/ is filled in a second weighing tank /21/, whereby the other component /K2/ is filled with a predetermined time interval and in continuous manner in the second weighing tank /21/ and simultaneously therewith the first component /K1/ is supplied at least in portions from the first weighing tank /11/ to the second weighing tank /21/, in which sum of weights of both the first and the second components /K1, K2/ is determined, whereby decrease of weight of the first weighing tank /11/ volume is determined, too. Subsequently sum of weights of both the first and the second components /K1, K2/ is determined in the second weighing tank /21/ and volume of the second component /K2/ is calculated by subtraction of weight difference of the first weighing tank /11/ weight from the sum of weight determined in dependence on in the second weighing tank /21/ and for obtaining the required proportion the supply of the first component /K1/ and/or the second component /K2/ is controlled in dependence on determined weight differences. Apparatus for making the above-described process has two weighing tanks /11, 21/, from which the first weighing tank /11/ is provided with discharge device /13/ having its outlet in the second weighing tank /21/ and intended for supply of the components /K1/ from the first weighing tank /11/ to the do second weighing tank /21/, whereby the discharge device (13) is performed as a dosing device and the other supply device /25/ for the second weighing tank /21/ is performed as a dosing device, too.
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