CN218956174U - Sampler for collecting samples with moisture gradients - Google Patents
Sampler for collecting samples with moisture gradients Download PDFInfo
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- CN218956174U CN218956174U CN202222996992.0U CN202222996992U CN218956174U CN 218956174 U CN218956174 U CN 218956174U CN 202222996992 U CN202222996992 U CN 202222996992U CN 218956174 U CN218956174 U CN 218956174U
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Abstract
The utility model relates to the technical field of filtering devices and discloses a sampler for collecting samples with moisture gradients, wherein one or more identical sampling cylinders are fixed on a connecting plate; the sampling tube is integrally formed by a tube connecting part and an arc-shaped surface sampling part; the barrel connecting portion terminal surface of sampling tube is fixed perpendicularly on the connecting plate, is equipped with in the barrel connecting portion of sampling tube and pushes away the appearance ware, pushes away the appearance ware and including pushing away the model stopper and pushing away the appearance pole, pushes away the model stopper and rubs along the sampling tube inner wall and slides, pushes away one side of model stopper and is equipped with and pushes away the appearance pole, pushes away the appearance pole and wears out the connecting plate, pushes away appearance pole tip connection has the electric lead. The device samples the filter cake layer with the moisture gradient, samples with different depths can be collected, the moisture content is measured after mixing, the result error is smaller, and the result is closer to the true value; the static electricity conducting wire is additionally arranged, so that the ox horn spoon is safer and more reliable and safer, and has the advantages of convenient operation, safety and reliability, uniform sample collection and more accurate moisture content test result compared with a common ox horn spoon.
Description
Technical Field
The utility model relates to the technical field of filtering devices, in particular to a sampler for collecting samples with moisture gradients.
Background
In the explosive production process, materials are filtered in a suction filtration mode, liquid and solid materials are separated, the moisture content of the materials is measured through suction filtration, and the moisture content needs to be measured for a plurality of times so as to accurately confirm whether the products are qualified or not. When in filtration, the heterogeneous mixture, namely the filter pulp is placed above the filter medium, solid sediments are accumulated on the surface of the medium and bridge to form a filter cake layer, the filter cake layer really plays the role of the filter medium, the filter cake layer is an effective filter layer, and the thickness of the filter cake layer is gradually increased along with the progress of the filtration step.
In the actual production process, the filter cake layer samples are collected by using a common ox horn spoon according to the existing standard, the method only can collect surface layer samples, the collected samples cannot represent the moisture content of the whole filter cake layer, the filter cake layers obtained by suction filtration are thicker and the water content of samples with different depths are different, so that the measurement result is inaccurate; if samples of deep layers and different positions are to be collected, the materials are required to be subjected to turning mixing operation, and certain risks exist in the mixing process, such as time and labor are wasted, if only the sampling positions are mixed, the proportion of filter residues of the deep layers and the surface layers in the mixed filter cake layer cannot be confirmed, the mixture effect is not representative, the water content test result has larger error, the measurement result is inaccurate, the water difference obtained by detection and analysis is larger, the water condition of the explosive cannot be truly reflected, and the subsequent weighing and use cause extremely large error, and even serious unbalance of the feeding proportion in the next step is caused, so that errors are caused, and larger potential safety hazards exist; in order to solve the above-described problems, a sampler for sampling a sample having a moisture gradient is provided.
Disclosure of Invention
The utility model provides a sampler for collecting samples with moisture gradients, which aims to solve the problems that when a suction filtration sample cake is collected, only a surface layer sample is collected to measure moisture, and the analysis result is inaccurate due to the deviation of the result caused by single sampling points in the sampling measurement, namely, when the sample cakes with different depths and different positions have different moisture contents, namely, the sample cakes have moisture gradients and position differences, the measured value of the moisture contents has larger errors.
The utility model is realized by adopting the following technical scheme:
a sampler for collecting samples with moisture gradients, one or more identical sampling cylinders are fixed on a connecting plate; the sampling tube is integrally formed by a tube connecting part and an arc-shaped surface sampling part; the barrel connecting portion terminal surface of sampling tube is fixed perpendicularly on the connecting plate, is equipped with in the barrel connecting portion of sampling tube and pushes away the appearance ware, pushes away the appearance ware and including pushing away the model stopper and pushing away the appearance pole, pushes away the model stopper and rubs along the sampling tube inner wall and slides, pushes away one side of model stopper and is equipped with and pushes away the appearance pole, pushes away the appearance pole and wears out the connecting plate, pushes away appearance pole tip connection has the electric lead.
When the sampler is implemented, the sampler for collecting samples with moisture gradients is designed, one or more identical sampling cylinders are fixed on the connecting plate, and when the number of the sampling cylinders is one, the connecting plate is circular and is positioned in a port of the connecting part of the cylinder body; when the number of the sampling cylinders is three, 3 identical sampling cylinders are fixed at the two ends and the center of the connecting plate, the length of the connecting plate is smaller than the diameter of the filter cake layer, and the sampling cylinders are respectively arranged at the two ends and the center of the connecting plate; the sampling tube is integrally formed by a tube connecting part and an arc-shaped surface sampling part, the tube connecting part is consistent with the arc-shaped surface sampling part in length, and the inner wall is smooth and seamless; the section arc angle of the arc-shaped surface sampling part is 120 degrees, the arc-shaped surface sampling part can be manufactured by cutting a sampling tube by one third on the radial section, and the length of the arc-shaped surface sampling part is larger than the thickness of the filter cake layer; the barrel connecting portion terminal surface of sampling tube is fixed perpendicularly on the connecting plate, is equipped with in the barrel connecting portion of sampling tube and pushes away the appearance ware, pushes away the appearance ware and includes pushing away the model stopper and pushing away the appearance pole, pushes away the model stopper and rubs along the sampling tube inner wall and slides, pushes away one side of model stopper and is equipped with the pushing away the appearance pole, and the connecting plate is located and opens on the sampling tube center axis and have the through-hole, pushes away the appearance pole and wears out the connecting plate by the through-hole, pushes away appearance pole tip connection and has the static electric wire, the static that produces in the conduction flow process, guarantees the security of system.
When the sampling device is used, the sampling pushing rod is pulled outwards in sequence, the sampling pushing device is pulled backwards, the sampling pushing plate plug is close to the connecting plate, the sampling pushing rod extends outwards, and enough sampling space is reserved in the sampling tube; taking a filter cake subjected to suction filtration, sampling the diameter of the filter cake at the center of the filter cake according to a three-point sampling method, vertically inserting an arc-shaped surface sampling part of a sampling tube into the filter cake, keeping the position of a sample pushing rod unchanged, and pulling out the sampling tube, wherein the arc-shaped surface sampling part of the sampling tube collects a complete filter cake layer at a position needing to be collected, and the collected filter cake layer contains samples of all depths of the sampling point; the sample pushing rod is pushed outwards, the sample pushing rod pushes the sample pushing plate plug at the end of the sample pushing rod, the sample pushing plate plug pushes the sample to move outwards until the sample is pushed out, then the sample is mixed and then the moisture content is measured, and the measured sample is closer to the true value of the whole filter cake layer.
Compared with the prior art, the utility model has the following beneficial effects: the sampler for collecting samples with the moisture gradient provided by the utility model has the advantages that the samples with different depths and different positions can be collected by setting a plurality of sampling points to sample the filter cake layer with the moisture gradient, the water content is measured after mixing, the result error is smaller, the sample is closer to a true value, the static electricity conducting wire is additionally arranged in the sampler, the safety of a user is ensured, and compared with a common ox horn spoon, the sampler has the advantages of convenience in operation, safety, reliability, uniformity in collecting samples and more accurate moisture content test result.
Drawings
Fig. 1 shows a schematic structure of embodiment 1 of the present utility model.
Fig. 2 shows a schematic structural diagram of embodiment 2 of the present utility model.
In the figure: 1-sampling tube, 2-sample pushing device, 3-conductive wire, 4-connecting plate, 5-arced surface sampling part, 6-barrel connecting part, 7-sample pushing plate plug and 8-sample pushing rod.
Description of the embodiments
Specific embodiments of the present utility model will be described below with reference to the accompanying drawings.
Examples
A sampler for sampling a sample having a moisture gradient as shown in figure 1: the two ends and the center of the connecting plate 4 are fixedly provided with 3 identical sampling cylinders 1, the width of the connecting plate 4 is equal to the outer diameter of the sampling cylinders 1, the length of the connecting plate 4 is smaller than the diameter of a filter cake layer, the sampling cylinders 1 are integrally formed by cylinder connecting parts 6 and arc-shaped surface sampling parts 5, the lengths of the cylinder connecting parts 6 and the arc-shaped surface sampling parts 5 of the sampling cylinders 1 are consistent, and the inner wall is smooth and seamless; the arc-shaped surface sampling part 5 has a section arc angle of 120 degrees, the arc-shaped surface sampling part 5 can be manufactured by cutting one third of the sampling tube 1 on the radial section, and the length of the arc-shaped surface sampling part 5 is larger than the thickness of the filter cake layer; the terminal surface of barrel connecting portion 6 is fixed perpendicularly on connecting plate 4, be equipped with in barrel connecting portion 6 of sampling tube 1 and push away appearance ware 2, push away appearance ware 2 and including pushing away model stopper 7 and pushing away appearance pole 8, push away model stopper 7 along the sliding friction of sampling tube 1 inner wall, one side of pushing away model stopper 7 is equipped with pushes away appearance pole 8, connecting plate 4 is located and opens on the central axis of sampling tube 1 has the through-hole, push away appearance pole 8 and wear out connecting plate 4 by the through-hole, push away 8 end connection of appearance pole has the static electric wire, static that produces in the conduction flow process guarantees the security of system.
When the sampler is used, the sample pushing rod 8 is pulled outwards in sequence, the sample pushing device 2 is pulled backwards, the sample pushing plate plug 7 is close to the connecting plate 4, the sample pushing rod 8 extends outwards, and enough sampling space is reserved in the sampling tube 1; taking a filter cake subjected to suction filtration, sampling the diameter of the filter cake at the center of the filter cake according to a three-point sampling method, vertically inserting an arc-shaped surface sampling part 5 of the sampling tube 1 into the filter cake at the center of a filter cake layer by a sampling tube 1 positioned in the center of a connecting plate 4, keeping the position of a sample pushing rod 8 unchanged, and extracting the sampling tube 1, wherein at the moment, the arc-shaped surface sampling part 5 of the sampling tube 1 collects a complete filter cake layer at a position required to be collected, and the collected filter cake layer contains samples of the whole depth of the sampling point; pushing the sample pushing rod 8 outwards, the sample pushing rod 8 pushes the sample pushing plate plug 7 positioned at the end part of the sample pushing rod 8, the sample pushing plate plug 7 pushes the sample to move outwards until the sample is pushed out, then the sample is mixed and then the moisture content is measured, and the obtained sample is closer to the true value of the whole filter cake layer.
Examples
A sampler for sample collection with a moisture gradient as shown in figure 2: a sampling tube 1 is fixed on the connecting plate 4, and the connecting plate 4 is circular and is positioned in the port of the cylinder connecting part 6; the sampling tube 1 comprises a tube connecting part 6 and an arc-shaped surface sampling part 5, the sampling tube 1 is integrally formed by the tube connecting part 6 and the arc-shaped surface sampling part 5, the tube connecting part 6 of the sampling tube 1 is consistent with the arc-shaped surface sampling part 5 in length, and the inner wall is smooth and seamless; the section arc angle of the arc-shaped surface sampling part 5 is 120 degrees, the arc-shaped surface sampling part 5 can be manufactured by cutting a part of a cylinder, and the length of the arc-shaped surface sampling part 5 is larger than the thickness of a filter cake layer; the barrel connecting portion 6 terminal surface of sampling tube 1 is fixed perpendicularly on connecting plate 4, be equipped with in the barrel connecting portion 6 of sampling tube 1 and push away appearance ware 2, push away appearance ware 2 and including pushing away model stopper 7 and pushing away appearance pole 8, push away model stopper 7 along the sliding friction of sampling tube 1 inner wall, one side of pushing away model stopper 7 is equipped with pushes away appearance pole 8, connecting plate 4 is located and opens on the sampling tube 1 center axis and have the through-hole, push away appearance pole 8 and wear out connecting plate 4 by the through-hole, push away 8 end connections of appearance pole has the static electricity line, static electricity that produces in the conduction flow process guarantees the security of system.
When the sampler is used, the sample pushing rod 8 is pulled outwards in sequence, the sample pushing device 2 is pulled backwards, the sample pushing plate plug 7 is close to the connecting plate 4, the sample pushing rod 8 extends outwards, and enough sampling space is reserved in the sampling tube 1; taking filter cakes subjected to suction filtration, respectively sampling at points needing to be sampled, vertically inserting an arc-shaped surface sampling part 5 of a sampling tube 1 into the filter cakes, keeping the position of a sample pushing rod 8 motionless, and extracting the sampling tube 1 after the sampling tube 1 is pulled out, wherein at the moment, the arc-shaped surface sampling part 5 of the sampling tube 1 collects a complete filter cake layer at the positions needing to be sampled, and the collected filter cake layer contains samples of the whole depth of the sampling points; pushing the sample pushing rod 8 outwards, the sample pushing rod 8 pushes the sample pushing plate plug 7 positioned at the end part of the sample pushing rod 8, the sample pushing plate plug 7 pushes the sample to move outwards until the sample is pushed out, then the sample is mixed and then the moisture content is measured, and the obtained sample is closer to the true value of the whole filter cake layer.
The scope of the present utility model is not limited to the above embodiments, and various modifications and alterations of the present utility model will become apparent to those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the present utility model are intended to be included in the scope of the present utility model.
Claims (8)
1. A sampler for sampling samples with a moisture gradient, comprising a connection plate (4), characterized in that: one or more identical sampling cylinders (1) are fixed on the connecting plate (4); the sampling tube (1) is integrally formed by a tube connecting part (6) and an arc-shaped surface sampling part (5); barrel connecting portion (6) terminal surface of sampling tube (1) is fixed perpendicularly on connecting plate (4), be equipped with in barrel connecting portion (6) of sampling tube (1) and push away appearance ware (2), push away appearance ware (2) including pushing away model stopper (7) and pushing away appearance pole (8), it slides along the friction of sampling tube (1) inner wall to push away model stopper (7), one side of pushing away model stopper (7) is equipped with pushes away appearance pole (8), push away appearance pole (8) and wear out connecting plate (4), it has electric wire (3) to push away appearance pole (8) end connection.
2. A sampler for use in collection of samples having a moisture gradient as claimed in claim 1 wherein: the inner wall of the cylinder connecting part (6) and the inner wall of the arc-shaped surface sampling part (5) of the sampling cylinder (1) are smooth and seamless.
3. A sampler for use in collection of samples having a moisture gradient as claimed in claim 1 wherein: the connecting plate (4) is positioned on the central axis of the sampling tube (1) and is provided with a through hole, and the sample pushing rod (8) penetrates out of the through hole.
4. A sampler for use in collection of samples having a moisture gradient as claimed in claim 1 wherein: the arc-shaped surface sampling part (5) has a section arc angle of 120 degrees.
5. A sampler for use in collection of samples having a moisture gradient as claimed in claim 1 wherein: the length of the arc-shaped surface sampling part (5) is consistent with the length of the cylinder connecting part (6), and the length of the arc-shaped surface sampling part (5) is greater than the thickness of the filter cake layer.
6. A sampler for use in collection of samples having a moisture gradient as claimed in claim 1 wherein: and 3 identical sampling cylinders (1) are fixed at the two ends and the center of the connecting plate (4).
7. A sampler for use in collecting samples having a moisture gradient as claimed in claim 6 wherein: the length of the connecting plate (4) is smaller than the diameter of the filter cake layer.
8. A sampler for use in collection of samples having a moisture gradient as claimed in claim 1 wherein: the connecting plate (4) is round and is positioned in the port of the cylinder connecting part (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222996992.0U CN218956174U (en) | 2022-11-11 | 2022-11-11 | Sampler for collecting samples with moisture gradients |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222996992.0U CN218956174U (en) | 2022-11-11 | 2022-11-11 | Sampler for collecting samples with moisture gradients |
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| Publication Number | Publication Date |
|---|---|
| CN218956174U true CN218956174U (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222996992.0U Active CN218956174U (en) | 2022-11-11 | 2022-11-11 | Sampler for collecting samples with moisture gradients |
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| CN (1) | CN218956174U (en) |
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2022
- 2022-11-11 CN CN202222996992.0U patent/CN218956174U/en active Active
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