RU96112807A - PIEZOMETRIC DISPENSER AND METHOD OF PIEZOMETRIC MEASUREMENT OF LIQUID DOSE MASS - Google Patents
PIEZOMETRIC DISPENSER AND METHOD OF PIEZOMETRIC MEASUREMENT OF LIQUID DOSE MASSInfo
- Publication number
- RU96112807A RU96112807A RU96112807/28A RU96112807A RU96112807A RU 96112807 A RU96112807 A RU 96112807A RU 96112807/28 A RU96112807/28 A RU 96112807/28A RU 96112807 A RU96112807 A RU 96112807A RU 96112807 A RU96112807 A RU 96112807A
- Authority
- RU
- Russia
- Prior art keywords
- liquid
- vessel
- column
- section
- dose
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims 37
- 238000005259 measurement Methods 0.000 title claims 4
- 230000000875 corresponding Effects 0.000 claims 2
- 238000007664 blowing Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 claims 1
Claims (5)
где Hx - высота столба жидкости в сосуде с постоянным поперечным сечением;
h - высота столба жидкости сосуда постоянной высоты, м;
ρmax, ρx - плотность дозируемой жидкости максимальная и текущая, кг/м3;
F - площадь поперечного сечения сосуда постоянного поперечного сечения, м2;
G - величина массы дозы, кг.2. The method of piezometric measurement of the mass of a dose of liquid according to claim 1, characterized in that the flow of liquid supplied to the packaging is divided into two unequal parts, the smaller of which is sent to a vessel with a constant height of the liquid column h with a piezometric tube and measure the difference in pressure of the column liquid displaced from the piezometric tube than the pressure of the column at maximum density h (ρ max -ρ x), and most of the liquid fed to the buffer vessel of arbitrary shape, connected at the top to the bottom of the vessel n standing cross-sectional cut-off the inlet valve supplying predetermined liquid doses produce largest pressure liquid column, displaced in piezometric tube vessel of constant cross-section taking as the origin of the container bottom obtained by multiplying the pressure difference value h (ρ max -ρ x) column liquids compared to the pressure of this column at maximum density per dimensionless constant according to the equation
where H x is the height of the liquid column in the vessel with a constant cross section;
h is the height of the liquid column of a vessel of constant height, m;
ρ max , ρ x - the maximum and current density of the dosed liquid, kg / m 3 ;
F is the cross-sectional area of the vessel of constant cross-section, m 2 ;
G is the dose mass, kg.
где Hx•ρx - давление столба жидкости в пьезометрической трубке в сосуде постоянного поперечного сечения, кг/м2;
G - массы дозы, кг;
F - площадь поперечного сечения сосуда с постоянным поперечным сечением, м2;
ρmax, ρx - максимальная и текущая плотность дозируемой жидкости, кг/м3.3. The method of piezometric measurement of the mass of a dose of liquid according to claim 2, characterized in that the density of the dosed liquid ρ x is measured from a smaller stream by any known method and a cut-off of a given dose is established by the liquid inlet valve by the level in the vessel with a constant cross-section corresponding to the column pressure liquid in a piezometric tube according to the equation
where H x • ρ x is the pressure of the liquid column in the piezometric tube in the vessel of constant cross-section, kg / m 2 ;
G - dose mass, kg;
F is the cross-sectional area of the vessel with a constant cross-section, m 2 ;
ρ max , ρ x - the maximum and current density of the dosed liquid, kg / m 3 .
где G - масса дозы, кг;
F - площадь поперечного сечения сосуда с постоянным поперечным сечением, м2;
ρmax, ρx - максимальная и текущая плотность жидкости соответственно, кг/м3;
Hx - высота столба жидкости от низа сосуда с постоянным поперечным сечением, м.4. The method of measuring the mass of a dose of liquid in PP. 1 and 3, characterized in that they measure the density of the dosed liquid from a smaller stream by any of the known methods and set the cut-off of a given dose of liquid by the inlet valve along the height of the liquid column in the vessel with a constant cross-section corresponding to the equation
where G is the mass of the dose, kg;
F is the cross-sectional area of the vessel with a constant cross-section, m 2 ;
ρ max , ρ x - maximum and current fluid density, respectively, kg / m 3 ;
H x - the height of the liquid column from the bottom of the vessel with a constant cross-section, m
где h - высота столба жидкости в сосуде с постоянной высотой столба жидкости, м;
ρx - текущая плотность дозируемой жидкости, кг/м3;
ρmax - максимальная плотность дозируемой жидкости, кг/м3.5. The method of piezometric measurement of the mass of a dose of liquid according to claim 2, characterized in that the height of the liquid column in the vessel with a constant height of the liquid column is taken within
where h is the height of the liquid column in the vessel with a constant height of the liquid column, m;
ρ x is the current density of the dosed liquid, kg / m 3 ;
ρ max - the maximum density of the dosed liquid, kg / m 3 .
Publications (1)
Publication Number | Publication Date |
---|---|
RU96112807A true RU96112807A (en) | 1998-10-10 |
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