RU96107719A - METHOD FOR ENRICHMENT OF FINE-FACED ORE WEIGHT AND INSTALLATION FOR ITS IMPLEMENTATION - Google Patents
METHOD FOR ENRICHMENT OF FINE-FACED ORE WEIGHT AND INSTALLATION FOR ITS IMPLEMENTATIONInfo
- Publication number
- RU96107719A RU96107719A RU96107719/03A RU96107719A RU96107719A RU 96107719 A RU96107719 A RU 96107719A RU 96107719/03 A RU96107719/03 A RU 96107719/03A RU 96107719 A RU96107719 A RU 96107719A RU 96107719 A RU96107719 A RU 96107719A
- Authority
- RU
- Russia
- Prior art keywords
- slurry
- installation according
- sieve
- diameter
- determined
- Prior art date
Links
- 238000009434 installation Methods 0.000 title claims 36
- 239000002002 slurry Substances 0.000 claims 55
- 239000002245 particle Substances 0.000 claims 22
- 239000000203 mixture Substances 0.000 claims 9
- 230000005484 gravity Effects 0.000 claims 7
- 239000012141 concentrate Substances 0.000 claims 5
- 238000004062 sedimentation Methods 0.000 claims 5
- 238000000926 separation method Methods 0.000 claims 5
- 239000007790 solid phase Substances 0.000 claims 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- 230000001133 acceleration Effects 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000007791 liquid phase Substances 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 239000008247 solid mixture Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000001052 transient Effects 0.000 claims 1
- 238000004642 transportation engineering Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
Claims (41)
где vкр - критическая скорость потока гидросмеси, м/с;
Dнг - диаметр нагнетательного пульповода, м;
ω - гидравлическая крупность частицы, м/с;
ρo- плотность воды, т/м3;
ρсм- плотность гидросмеси, т/м3.12. Installation according to claim 1, characterized in that the feed rate of the initial slurry v 1 is 1.5 - 2 times higher than the critical speed of transportation of the slurry of a given density through a slurry line of a given diameter, determined by the formula
where v cr - the critical flow rate of the slurry, m / s;
D ng - diameter of the discharge slurry line, m;
ω is the hydraulic particle size, m / s;
ρ o - the density of water, t / m 3 ;
ρ cm is the density of the slurry, t / m 3 .
где Q - производительность насоса подачи гидросмеси, м3/ч;
v1 - скорость гидросмеси в нагнетательном пульповоде, м/с;
π = 3,14;
3600 - число секунд в одном часе (переводной коэффициент).13. Installation according to p. 1, characterized in that the diameter of the discharge pulp is determined by the formula
where Q is the performance of the slurry feed pump, m 3 / h;
v 1 - the speed of the slurry in the injection pulp line, m / s;
π = 3.14;
3600 - the number of seconds in one hour (conversion factor).
H = 2Dпатр,
где H - высота цилиндрической обечайки, м;
Dпатр - диаметр патрубка подачи пульпы на поверхность параболического решета, м.18. Installation under item 1, characterized in that the height of the vertical cylindrical shell is determined by the formula
H = 2D patr
where H is the height of the cylindrical shell, m;
D patr - the diameter of the pipe supply pulp to the surface of the parabolic sieve, m
Dнп = (1 - 3)Dнг,
где Dнп - диаметр патрубка выхода надрешетного продукта, м;
Dнг - диаметр нагнетательного пульповода, м.20. Installation according to claim 1, characterized in that the diameter of the outlet of the parabolic sieve for the output of the oversize product is determined by the formula
D nn = (1 - 3) D ng ,
where D NP - the diameter of the outlet pipe sieve product, m;
D ng - diameter of the discharge slurry line, m
Dпп = (2 - 3)Dнг,
где Dпп - диаметр патрубка выхода подрешетного продукта, м;
Dнг - диаметр нагнетательного пульповода, м.21. Installation according to claim 1, characterized in that the diameter of the outlet pipe of the hole of the parabolic sieve for the output of the under-sieve product is determined by the formula
D nn = (2 - 3) D ng ,
where D PP - the diameter of the outlet pipe of the under-sieve product, m;
D ng - diameter of the discharge slurry line, m
где Qp - производительность параболического решета по исходной смеси, м3/ч;
d2p - диаметр граничного зерна, по которому идет калибровка твердой фазы гидросмеси, м;
d - диаметр отверстий, входных, решета, м;
Dвс - диаметр верхнего сечения решета, м;
Dпп - диаметр патрубка выхода подрешетного продукта, м;
K1 - коэффициент, определяющий соотношение суммарной площади отверстий решета и площади рабочей поверхности решета, безразмерная империческая величина;
K2 - коэффициент, учитывающий концентрацию гидросмеси, безразмерная империческая величина;
K3 - коэффициент, учитывающий содержание гравия в составе гидросмеси, империческая безразмерная величина.25. Installation according to claim 1, characterized in that the performance of the parabolic sieve is determined by the formula
where Q p is the performance of the parabolic sieve in the initial mixture, m 3 / h;
d 2p - the diameter of the boundary grain, which is the calibration of the solid phase of the slurry, m;
d is the diameter of the holes, input, sieve, m;
D sun - the diameter of the upper section of the sieve, m;
D PP - the diameter of the outlet pipe of the under-sieve product, m;
K 1 - coefficient determining the ratio of the total area of the sieve holes and the area of the working surface of the sieve, dimensionless imperial value;
K 2 - coefficient taking into account the concentration of the slurry, dimensionless imperial value;
K 3 - coefficient taking into account the gravel content in the hydraulic mixture, imperial dimensionless quantity.
dот = (2,5 - 4,0) x dгр,
где dот - диаметр отверстий решета, м;
dгр - диаметр граничного зерна, по которому идет калибровка твердой фазы гидросмеси.28. Installation according to claim 1, characterized in that the diameter of the holes of the parabolic sieve is determined by the formula
d from = (2.5 - 4.0) xd gr ,
where d from - the diameter of the holes of the sieve, m;
d gr - the diameter of the boundary grain, which is the calibration of the solid phase of the slurry.
где vср - скорость движения потока гидросмеси по пульповоду, м/с;
Dп - диаметр пульповода (внутренний), м;
vo - скорость осаждения зерна в движущемся потоке пульпы, м/с;
K1 - коэффициент, учитывающий ускорение падения зерна в режиме интенсивного перемешивания. Для зерен размером более 1 мм K1 = 1, для зерен размером менее 1 мм величина K1 определяется по формуле
где d - размер зерна, м.29. Installation according to claim 1, characterized in that the length of the linear-annular slurry conduit, from the entrance to it to the rear edge of the bottom opening of the concentrate outlet, is determined by the formula
where v cf - the velocity of the flow of the slurry through the slurry line, m / s;
D p - the diameter of the slurry line (internal), m;
v o is the deposition rate of grain in a moving pulp stream, m / s;
K 1 - coefficient taking into account the acceleration of grain fall in the intensive mixing mode. For grains larger than 1 mm, K 1 = 1, for grains smaller than 1 mm, K 1 is determined by the formula
where d is the grain size, m
где vo - скорость осаждения зерна, м/с;
d - крупность зерна, м;
δ - плотность зерна, кг/м3;
0,89 - имперический коэффициент.30. Installation according to claim 1, characterized in that the value of the grain deposition rate under conditions of transition from turbulent to laminar flow of the slurry through the slurry conduit is determined by the formula
where v o is the deposition rate of grain, m / s;
d - grain size, m;
δ is the grain density, kg / m 3 ;
0.89 - imperial coefficient.
vср = 1,5 x vд,
где vср - средняя скорость движения потока гидросмеси по пульповоду, м/с;
vд - донная скорость, м/с.31. Installation according to claim 1, characterized in that the average velocity of the slurry flow through the slurry line is determined by the formula
v cf. = 1.5 xv d ,
where v sr - the average velocity of the flow of the slurry through the slurry line, m / s;
v d - bottom velocity, m / s.
где vд - донная скорость течения, см/с;
γn- удельный вес частиц, г/см3;
d - размер переносимых частиц, мм;
е - основание натуральных логарифмов.32. Installation according to claim 1, characterized in that the bottom speed, i.e. the minimum speed at which homogeneous grains of any specific gravity move along the bottom of the slurry conduit is determined by the imperial formula
where v d - bottom flow velocity, cm / s;
γ n is the specific gravity of particles, g / cm 3 ;
d is the size of the transferred particles, mm;
e is the basis of natural logarithms.
где vср - средняя скорость истечения пульпы (средняя скорость движения потока гидросмеси по пульповоду), м/с;
g - ускорение свободного падения, g = 9,81 м/с2;
φ - коэффициент скорости, φ = 0,82-0,85;
H - перепад высот, м.33. Installation according to claim 1, characterized in that the height difference from the entrance to the linear-annular slurry line to the rear wall of the bottom opening of the concentrate outlet from the slurry line is determined by the formula:
where v sr - the average velocity of the expiration of the pulp (average velocity of the flow of the slurry through the slurry line), m / s;
g is the acceleration of gravity, g = 9.81 m / s 2 ;
φ is the velocity coefficient, φ = 0.82-0.85;
H - elevation difference, m.
где γ - монтажный (установочный) угол наклона пульповода, в градусах;
L - длина линейно-кольцевого пульповода, м;
Н - перепад высот между входом в пульповод и задней стенкой донного отверстия выхода концентрата из пульповода, м.34. The installation according to claim 1, characterized in that the installation angle of the slurry line to the horizontal plane is determined by the formula:
where γ is the mounting angle of the slurry duct, in degrees;
L is the length of the linear-annular slurry line, m;
N is the height difference between the entrance to the slurry line and the rear wall of the bottom opening of the concentrate outlet from the slurry line, m
c = (2,5 - 3)dmax,
b = (4 - 4,5)dmax,
l = (1 - 2)Dп,
где с - глубина занижения ленточной секции для трубы пульповода в сторону движения потока гидросмеси, мм;
b - ширина щели, м;
l - длина щели (занижения), мм;
dmax - максимальный размер отводимых частиц, мм.35. Installation according to claim 1, characterized in that in the bottom of the slurry conduit a hole is made in the form of a tape gap, the dimensions of which are determined by the following empire dependencies
c = (2.5 - 3) d max ,
b = (4 - 4,5) d max ,
l = (1 - 2) D p ,
where c is the depth of understatement of the tape section for the slurry pipe in the direction of flow of the hydraulic mixture, mm;
b - slot width, m;
l is the length of the gap (understatement), mm;
d max - the maximum size of the removed particles, mm
где vср - средняя скорость движения потока гидросмеси по пульповоду, м/с;
Dп - внутренний диаметр пульповода, м;
Q - расход, м3/ч;
3600 - переводной коэффициент.36. Installation under item 1, characterized in that the flow rate through the bottom hole in the pipe of the slurry conduit is determined by the formula
where v sr - the average velocity of the flow of the slurry through the slurry line, m / s;
D p - the inner diameter of the slurry line, m;
Q - flow rate, m 3 / h;
3600 is a conversion factor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU96107719/03A RU2114701C1 (en) | 1996-04-16 | 1996-04-16 | Method for concentration of fine-fraction ore material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU96107719/03A RU2114701C1 (en) | 1996-04-16 | 1996-04-16 | Method for concentration of fine-fraction ore material |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2114701C1 RU2114701C1 (en) | 1998-07-10 |
RU96107719A true RU96107719A (en) | 1998-12-20 |
Family
ID=20179574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU96107719/03A RU2114701C1 (en) | 1996-04-16 | 1996-04-16 | Method for concentration of fine-fraction ore material |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2114701C1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2144430C1 (en) * | 1999-02-08 | 2000-01-20 | Деркачев Борис Павлович | Method of processing mineral-containing mining mass |
WO2001089703A1 (en) * | 2000-05-22 | 2001-11-29 | Boris Pavlovich Derkachev | Method for enrichment of heavy fine-fractional concentrates |
WO2005061113A1 (en) * | 2003-12-24 | 2005-07-07 | Boris Pavlovich Derkachev | Method for processing the rock mass of heavy metal fields |
-
1996
- 1996-04-16 RU RU96107719/03A patent/RU2114701C1/en not_active IP Right Cessation
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5957301A (en) | Method and apparatus for the separation of materials having different densities | |
JP5735925B2 (en) | Selective particle size separation device for hard powdered material by centrifugal action and method of using such device | |
JP2004501846A (en) | Solid transport method | |
US4120783A (en) | Apparatus and process for ordinary and submarine mineral beneficiation | |
US4543180A (en) | Device for separating coarse and fine particles from ultrafines | |
EP0316326A1 (en) | Separation of mixtures in a wind tunnel | |
RU96107719A (en) | METHOD FOR ENRICHMENT OF FINE-FACED ORE WEIGHT AND INSTALLATION FOR ITS IMPLEMENTATION | |
EP0809534B1 (en) | Mineral separator | |
US20080135461A1 (en) | Dense medium separator | |
CA2141636A1 (en) | Spiral separator | |
US10828648B2 (en) | Flotation cell | |
CN108499745A (en) | A kind of refractory minerals floatation system and floatation process | |
EP0160031A1 (en) | Hydraulically operated different density particle sorting apparatus and process. | |
US4272363A (en) | Coal washing apparatus | |
RU2479353C1 (en) | Dressing device | |
US3773176A (en) | Separating apparatus and method | |
RU2114701C1 (en) | Method for concentration of fine-fraction ore material | |
US11911775B2 (en) | Particle separation apparatus | |
RU2147939C1 (en) | Method of separation of particles from liquid by means of turbulent vortices and device for realization of this method | |
US20220168749A1 (en) | Spiral separators and parts therefore | |
SU986517A1 (en) | Air separator with horisontal feeding of air | |
RU2143309C1 (en) | Gravity-inertia deduster | |
CN209333945U (en) | A kind of efficient separation spiral chute | |
JPS6327516B2 (en) | ||
RU95115776A (en) | METHOD FOR ENRICHMENT OF FINE-FACED ORE WEIGHT AND INSTALLATION FOR ITS IMPLEMENTATION |