CA2120107C - Apparatus for sampling a material containing solids - Google Patents
Apparatus for sampling a material containing solids Download PDFInfo
- Publication number
- CA2120107C CA2120107C CA 2120107 CA2120107A CA2120107C CA 2120107 C CA2120107 C CA 2120107C CA 2120107 CA2120107 CA 2120107 CA 2120107 A CA2120107 A CA 2120107A CA 2120107 C CA2120107 C CA 2120107C
- Authority
- CA
- Canada
- Prior art keywords
- sampling
- cleaning member
- sampling member
- cleaning
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 67
- 239000000463 material Substances 0.000 title claims abstract description 25
- 239000007787 solid Substances 0.000 title claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 31
- 230000000903 blocking effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to an apparatus for sampling a solids-bearing material that flows or is made to flow, the said apparatus comprising a sampling member (4) set in contact with the flowing material, and a sampling conduit (5) connected to the sampling member (4) in order to conduct the sample flow passing through the sampling member (4) to further treatment. According to the invention, in connection with the sampling member (4) there is movably installed a cleaning member (1), so that the cleaning member (1) can be at least partly inserted to the sampling member (4) when in working position.
Description
APPARATUS FOR SAMPLING A MATERIAL CONTAINING SOLIDS
BACKGROUND OF THE INVENTION
1. Field of the Invention The present invention relates to an apparatus for sampling a material that contains an essential amount of solids and is advantageously in a flowing motion or can be set to flowing motion.
BACKGROUND OF THE INVENTION
1. Field of the Invention The present invention relates to an apparatus for sampling a material that contains an essential amount of solids and is advantageously in a flowing motion or can be set to flowing motion.
2. Description of the Prior Art From the Canadian Patent No. 1, 320, 850 there is known an apparatus for sampling a material containing solids, in which apparatus the sampling member is connected to a guide member and suction member for guiding the material current flowing from the sampling member through the suction member to analysis. By using the apparatus of the Canadian Patent No. 1,320,850, the sample is extracted from a flowing material containing solids. But if the sampling member of the Canadian Patent No. 1,320,850 is blocked, the material flow must be interrupted and the sampling member possibly detached from the working position for cleaning. Thus the blocking of the sampling member causes an essentially long dead time in the operation, which increases the operating expenses.
SUMMARY OF THE INVENTION
The object of the present invention is to eliminate some of the drawbacks of the prior art and to achieve an improved and operationally more secure apparatus for sampling a material containing solids, in which apparatus the disadvantage caused by a possible blocking of the sampling member can advantageously be alleviated by installing a cleaning member in connection with the sampling member.
"",~., 2 21~0~0~
Therefore, in accordance with the present invention, there is provided an apparatus for sampling a solids-bearing material that flows or is made to flow, said apparatus comprising a flow channel, a sampling member installed in said flow channel with the flowing material, and a sampling conduit connected to the sampling member in order to conduct the sample current passing through the sampling member to further treatment, characterized in that in connection with the sampling member there is movably installed a cleaning member, so that the cleaning member can be at least partly inserted in the sampling member, through an inlet of the sampling member when in working position.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention is described below with reference to the appended drawing, which is a cross-sectional side-view illustration of a preferred embodiment of the invention.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
According to the drawing showing an apparatus in accordance with the present invention, the direction of the material current flowing in a flow channel 3 is illustrated by means of arrows. In the flow channel 3, there is installed a sampling member 4, on the first surface whereof, in the flowing direction of the material current, there is formed an aperture through which the material current to be sampled enters the sampling member 4, and then passes through a sampling conduit 5 connected to the sampling member 4 to further processing. According to the invention, a cleaning member 1 is installed in connection with the sampling member 4. The cleaning member 1 is movably arranged so that the moving of the cleaning member 1 in between the working position and the rest position is regulated by a pneumatic cylinder 2. In the drawing the rest .' . ~ 3 ~1 201 0 7 position of the cleaning member 1 is illustrated with dotted lines. There are also illustrated valves 6, 7 and 8 connected to the sampling conduit 5, through which valves liquids can be fed in countercurrent with respect to the sample flow, in order to wash the sampling conduit 5 and the sampling member 4.
In the apparatus of the invention, the sampling member 4 is located in the flow channel 3, where the material containing solids flows, or whereto the said material can be made to flow. Advantageously the sampling member 4 is so shaped, that it at least partly resembles a truncated wedge and is essentially hollow inside. Now the sampling member 4 is installed in the flow channel 3 advantageously so that the converging part of the advantageously wedge-like member is located against the material current, so that the wedge-like converging part forms an aperture, wherethrough the material flow to be sampled enters the sampling member 4. The sampling member 4 can also be shaped so that in the sampling member 4 there is provided an aperture in the first wall essentially perpendicular to the flowing direction of the solid material, through which aperture the material flow to be sampled enters the sampling member 4. Thus the sample flow that has entered the sampling member 4 through the sample inlet is conducted to further treatment through the sampling conduit 5 connected to the sampling member 4.
In connection with the sampling member 4 there is movably installed the cleaning member 1 whereby the sampling inlet of the sampling member 4 can be cleaned of accretions possibly created by the solid material, and thus the sample inlet of the sampling member 4 can be prevented from getting blocked. The shape of the cleaning member 1 provided in the apparatus of the invention, at least on the surface directed towards the ,,..,.. , 4 ~1 20107 sample inlet, is advantageously and essentially similar to the shape of the sample inlet of the sampling member 4, but smaller in cross-section. Thus, when the sample inlet is for instance a narrow aperture, the cleaning member 1 can advantageously be for instance knife-like in shape, so that the sharper edge of the cleaning member 1 is directed towards the sample inlet of the sampling member 4. In cross-section the cleaning member 1 is, at least partly, smaller than the sample inlet, and therefore the cleaning member 1 can at least partly be inserted to the sampling member 4 when in working position.
The cleaning member 1 installed in connection with the sampling member 4 is advantageously installed so that the cleaning member 1 is movable in between the working position and the rest position by means of a pneumatically, hydraulically or electrically operated actuator, e.g. the pneumatic cylinder 2. The actuator 2 regulating the operation of the cleaning member 1 is arranged so that when the cleaning member 1 is in the working position, it can freely move through the sample inlet of the sampling member 4 to at least partly inside the sampling member 4. On the other hand, when the cleaning member 1 of the apparatus of the invention is in the rest position, it is, by means of the actuator 2, advantageously arranged so that it as little as possible disturbs the material flowing in the flow channel 3.
The operation of the cleaning member 1 of the invention can advantageously be adjusted so that operation commands are given to the motion member or pneumatic cylinder 2 of the cleaning member 1 essentially regularly or only when desired. The frequency of the operation commands essentially depends on the solid content of the material under treatment, ,.... , 5 i.e., on how much solids the material flowing in the flow channel contains, and consequently on how severe the danger of blocking in the inlet of the sampling member 4 is.
SUMMARY OF THE INVENTION
The object of the present invention is to eliminate some of the drawbacks of the prior art and to achieve an improved and operationally more secure apparatus for sampling a material containing solids, in which apparatus the disadvantage caused by a possible blocking of the sampling member can advantageously be alleviated by installing a cleaning member in connection with the sampling member.
"",~., 2 21~0~0~
Therefore, in accordance with the present invention, there is provided an apparatus for sampling a solids-bearing material that flows or is made to flow, said apparatus comprising a flow channel, a sampling member installed in said flow channel with the flowing material, and a sampling conduit connected to the sampling member in order to conduct the sample current passing through the sampling member to further treatment, characterized in that in connection with the sampling member there is movably installed a cleaning member, so that the cleaning member can be at least partly inserted in the sampling member, through an inlet of the sampling member when in working position.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention is described below with reference to the appended drawing, which is a cross-sectional side-view illustration of a preferred embodiment of the invention.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
According to the drawing showing an apparatus in accordance with the present invention, the direction of the material current flowing in a flow channel 3 is illustrated by means of arrows. In the flow channel 3, there is installed a sampling member 4, on the first surface whereof, in the flowing direction of the material current, there is formed an aperture through which the material current to be sampled enters the sampling member 4, and then passes through a sampling conduit 5 connected to the sampling member 4 to further processing. According to the invention, a cleaning member 1 is installed in connection with the sampling member 4. The cleaning member 1 is movably arranged so that the moving of the cleaning member 1 in between the working position and the rest position is regulated by a pneumatic cylinder 2. In the drawing the rest .' . ~ 3 ~1 201 0 7 position of the cleaning member 1 is illustrated with dotted lines. There are also illustrated valves 6, 7 and 8 connected to the sampling conduit 5, through which valves liquids can be fed in countercurrent with respect to the sample flow, in order to wash the sampling conduit 5 and the sampling member 4.
In the apparatus of the invention, the sampling member 4 is located in the flow channel 3, where the material containing solids flows, or whereto the said material can be made to flow. Advantageously the sampling member 4 is so shaped, that it at least partly resembles a truncated wedge and is essentially hollow inside. Now the sampling member 4 is installed in the flow channel 3 advantageously so that the converging part of the advantageously wedge-like member is located against the material current, so that the wedge-like converging part forms an aperture, wherethrough the material flow to be sampled enters the sampling member 4. The sampling member 4 can also be shaped so that in the sampling member 4 there is provided an aperture in the first wall essentially perpendicular to the flowing direction of the solid material, through which aperture the material flow to be sampled enters the sampling member 4. Thus the sample flow that has entered the sampling member 4 through the sample inlet is conducted to further treatment through the sampling conduit 5 connected to the sampling member 4.
In connection with the sampling member 4 there is movably installed the cleaning member 1 whereby the sampling inlet of the sampling member 4 can be cleaned of accretions possibly created by the solid material, and thus the sample inlet of the sampling member 4 can be prevented from getting blocked. The shape of the cleaning member 1 provided in the apparatus of the invention, at least on the surface directed towards the ,,..,.. , 4 ~1 20107 sample inlet, is advantageously and essentially similar to the shape of the sample inlet of the sampling member 4, but smaller in cross-section. Thus, when the sample inlet is for instance a narrow aperture, the cleaning member 1 can advantageously be for instance knife-like in shape, so that the sharper edge of the cleaning member 1 is directed towards the sample inlet of the sampling member 4. In cross-section the cleaning member 1 is, at least partly, smaller than the sample inlet, and therefore the cleaning member 1 can at least partly be inserted to the sampling member 4 when in working position.
The cleaning member 1 installed in connection with the sampling member 4 is advantageously installed so that the cleaning member 1 is movable in between the working position and the rest position by means of a pneumatically, hydraulically or electrically operated actuator, e.g. the pneumatic cylinder 2. The actuator 2 regulating the operation of the cleaning member 1 is arranged so that when the cleaning member 1 is in the working position, it can freely move through the sample inlet of the sampling member 4 to at least partly inside the sampling member 4. On the other hand, when the cleaning member 1 of the apparatus of the invention is in the rest position, it is, by means of the actuator 2, advantageously arranged so that it as little as possible disturbs the material flowing in the flow channel 3.
The operation of the cleaning member 1 of the invention can advantageously be adjusted so that operation commands are given to the motion member or pneumatic cylinder 2 of the cleaning member 1 essentially regularly or only when desired. The frequency of the operation commands essentially depends on the solid content of the material under treatment, ,.... , 5 i.e., on how much solids the material flowing in the flow channel contains, and consequently on how severe the danger of blocking in the inlet of the sampling member 4 is.
Claims (7)
1. An apparatus for sampling a solids-bearing material that flows or is made to flow, said apparatus comprising a flow channel, a sampling member installed in said flow channel with the flowing material, and a sampling conduit connected to the sampling member in order to conduct the sample current passing through the sampling member to further treatment, characterized in that in connection with the sampling member there is movably installed a cleaning member, so that the cleaning member can be at least partly inserted in the sampling member, through an inlet of the sampling member when in working position.
2. An apparatus according to claim 1, characterized in that a shape of the cleaning member is, at least on a surface directed towards the inlet of the sampling member, essentially similar to that of the inlet of the sampling member, but in cross-section smaller than the inlet of the sampling member.
3. An apparatus according to claim 1, characterized in that the cleaning member is knife-like in shape.
4. An apparatus according to claim 2, characterized in that the cleaning member is knife-like in shape.
5. An apparatus according to claims l, 2, 3 and 4, characterized in that a motion member for moving the cleaning member is pneumatically operated.
6. An apparatus according to claims 1, 2, 3 and 4, characterized in that a motion member for moving the cleaning member is hydraulically operated.
7. An apparatus according to claims 1, 2, 3 and 4, characterized in that a motion member for moving the cleaning member is electrically operated.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI931404 | 1993-03-29 | ||
| FI931404A FI94987C (en) | 1993-03-29 | 1993-03-29 | Apparatus for taking samples of solids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2120107A1 CA2120107A1 (en) | 1994-09-30 |
| CA2120107C true CA2120107C (en) | 2000-05-16 |
Family
ID=8537650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2120107 Expired - Lifetime CA2120107C (en) | 1993-03-29 | 1994-03-28 | Apparatus for sampling a material containing solids |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA2120107C (en) |
| FI (1) | FI94987C (en) |
-
1993
- 1993-03-29 FI FI931404A patent/FI94987C/en not_active IP Right Cessation
-
1994
- 1994-03-28 CA CA 2120107 patent/CA2120107C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FI94987B (en) | 1995-08-15 |
| FI931404A0 (en) | 1993-03-29 |
| CA2120107A1 (en) | 1994-09-30 |
| FI94987C (en) | 1995-11-27 |
| FI931404A (en) | 1994-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20140328 |