Measuring and testing – Sampler – sample handling – etc. – Flow divider – deflector – or interceptor
Patent
1987-09-17
1989-04-04
Levy, Stewart J.
Measuring and testing
Sampler, sample handling, etc.
Flow divider, deflector, or interceptor
G01N 112
Patent
active
048174424
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
This invention relates to a sample splitter for sampling from a quantity of material.
SUMMARY OF THE INVENTION
In one form the invention resides in a sample splitter comprising a housing having a substantially cylindrical rotor chamber having at least one inlet, at least two outlets and a rotor rotatably received in the rotor chamber, said rotor being sub-divided in to at least two separate zones wherein each zone communicates with said inlet on rotation of the rotor, and each zone communicates with a different outlet from the other zone.
According to a preferred feature of the invention, at least one of said outlets accommodates a barrier therein to define two flow paths.
According to a preferred feature of the previous feature, there are three outlets, two of which accommodate said barrier and wherein one flow path from at least one outlet delivers material to a separate sample collector.
According to a preferred feature of the invention the rotation axis of the rotor is substantially horizontal.
According to a preferred feature of the invention the inlet is located above the rotor.
According to a further preferred feature of the invention the outlet is located below the rotor.
According to a preferred feature of the invention the zones are located in axial side by side relationship.
According to a further preferred feature of the invention each zone is sub-divided into a set of pockets angularly disposed around the axis of rotation and wherein each of the pockets communicates with the inlet on rotation of the rotor.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be more fully understood in the light of the following description of one specific embodiment. The description is made with reference to the accompanying drawings of which:
FIG. 1 is an elevational view of the sample splitter of the embodiment;
FIGS. 2, 3 and 4 are sectional elevations of the sample splitter in its three different sampling modes; and
FIG. 5 is a part sectional view of the delivery chutes of the embodiment.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
The embodiment is directed towards a sample splitter for splitting substantial quantities of fluid solid particulate material and/or slurries such as borehole cuttings. The sample splitter is connected to a cyclone 11 which has an inlet 14 located towards the top thereof which receives the flow of air and/or liquid and entrained particulate materials such as cuttings from a borehole. The top of the cyclone has an outlet 15 to permit air to escape. The cuttings fall to the bottom of the cyclone 11 and enter the sample splitter 12 at its inlet 16.
The sample splitter 12 comprises a substantially cylindrical rotor chamber 17 having its central axis substantially horizontal which accommodates a substantially cylindrical rotor 18 mounted for rotation about the central axis of the rotor chamber 17. The rotor is defined into three axially disposed annular zones A, B and C which are defined by means of two end plates 19 and two intermediate plates 20. The central zone B is divided into a plurality of radially disposed pockets by means of a set of equally spaced radial plates extending between the intermediate separator plates 20. One half of the pockets are defined by the radial plates and the intermediate separator plates 20 such that when the pockets are located below the inlet 16, material flowing into the splitter from the inlet 16 is deposited into the central zone B as shown at figure 3. An additioal one quarter of the pockets in the central zone B are formed with first oblique diverter plates 21 which close off the entry into the pocket and cause material flowing into the central zone B from the inlet 16 of the splitter to be diverted into one end zone A of the rotor as shown at FIG. 2. The remaining one quarter of the pockets in the central zone B of the rotor are formed with second obliquely located diverter plates 22 which are opposed to the first oblique diverter plates 21 and close off the pocket of the central zone B of the rotor
REFERENCES:
patent: 27582 (1860-03-01), Gelder
patent: 78099 (1868-05-01), Keller
patent: 888471 (1908-05-01), Constant
patent: 1215988 (1917-02-01), Pott
patent: 2405951 (1946-08-01), Herrold
patent: 3380306 (1968-04-01), Pazandak
patent: 3433078 (1969-03-01), Thompson
Brian Christoperh Coupe
Levy Stewart J.
Raevis Robert R.
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