Coal sampling and sample preparation device

Abstract

The utility model relates to the tool field of sampling before coal test, specifically for coal sampling and sample preparation device. Wherein the utility model coal sampling device, including: sampling rod, the inside of this sampling rod has the passageway of through both ends, one end of sampling rod has the fixed connection of first control handle, sampling main part, the inside of sampling main part has main cavity, spiral blade, this spiral blade surrounds sampling main part with sampling main part fixed connection, the surface of sampling main part has the first feed port of intercommunication main cavity, and first feed port is in the clearance formed by spiral blade, control rod, this control rod is at least partially active installation in the passageway of sampling rod, one end of control rod has the fixed connection of second control handle outside the passageway, one end of control rod in the passageway is provided with sample storage room, the surface of sample storage room has the second feed port of intercommunication sample storage room inside.

Description

Technical Field

[0001] This utility model relates to the field of tools for assisting in coal sampling before testing, specifically a coal sampling and sample preparation device. Background Technology

[0002] Standard operating procedures for coal sampling need to be tailored to the specific scenario, ensuring sample representativeness through standardized procedures. The main methods employed are systematic sampling, stratified sampling, and the nine-point sampling method. Different types of transport carriers, such as trains, ships, or coal piles, must also be considered. For weight-based sampling, each 1000 tons constitutes a sampling unit, with no fewer than 60 subsamples. For coal pile sampling, sampling should be conducted using a quincunx sampling method, arranged according to a surface grid, sampling at the intersection of odd and even-numbered horizontal and vertical lines. It is crucial that the subsample depth reaches at least 0.4 meters to avoid the influence of surface oxidized coal.

[0003] In addition, the sampling methods differ depending on the scenario. For coal inside train carriages, a drilling inspection method can be used, dividing the coal surface into 12 to 18 sections, digging a 30-centimeter hole in the center of each section, and sampling in layers. For vehicles weighing over 50 tons, there should be no fewer than 10 sampling points per day, and the subsamples should be reduced to about 2 kilograms after mixing. For coal piles on ships, the cross-section method should be used, taking one subsample every 5 meters on the cross-section formed by unloading coal, and removing the top 0.2-meter coal layer from the subsamples, taking 15 subsamples per dry ton. For vertical storage tanks, sampling should be done in layers, taking five samples each at depths of one-sixth, one-half, and five-sixths using a tubular sampler, and finally mixing the samples collected from the three different depths.

[0004] The samples collected after the above sampling work needs to be sent to the testing department for analysis. Coal analysis is performed by instruments that detect the content of various elements in coal. The main testing items include: total sulfur, calorific value, moisture, ash, volatile matter, fixed carbon, carbon, hydrogen, ash fusion properties, carbon content in slag, coking coal, petroleum coke, and briquettes.

[0005] Currently, the sampling and testing of coal has at least the following problems:

[0006] 1. Due to the large sampling volume and wide sampling area of ​​coal, which involves sampling coal at different depths, and the fact that only one location or target area can be sampled each time, it not only requires a lot of manpower to complete, but is also extremely inefficient.

[0007] 2. When it is necessary to sample the same pile of coal, even at different depths in the same location, the coal samples at each depth need to be collected separately, which involves a lot of repetitive work and low manual efficiency.

[0008] 3. There is still a problem that it is inconvenient to send existing coal samples for testing after collection. Utility Model Content

[0009] The purpose of this invention is to at least solve the problem that current coal sampling requires sampling at different locations and depths, while existing sampling operations require separate sampling at each location and depth, resulting in high labor costs and low efficiency.

[0010] To solve the above-mentioned technical problems, the present invention provides a coal sampling device, comprising:

[0011] A sampling rod, the sampling rod having a channel running through both ends; one end of the sampling rod has a first control handle fixedly connected to it;

[0012] The sampling body is coaxial with the sampling rod; one end of the sampling body is fixedly or detachably connected to the other end of the sampling rod; the sampling body has a main cavity that communicates with the channel.

[0013] A spiral blade surrounds the sampling body and is fixedly connected to the sampling body; the surface of the sampling body has a first feed port communicating with the main cavity, and the first feed port is located within the gap formed by the spiral blade;

[0014] A control lever is at least partially movably mounted within the channel of the sampling rod. The end of the control lever outside the channel has a second control handle fixedly connected to it. The end of the control lever inside the channel is provided with a sample storage chamber located within the main cavity. The surface of the sample storage chamber has a second inlet communicating with the interior of the sample storage chamber. The second inlet and the first inlet are at the same horizontal level.

[0015] As a preferred embodiment of the coal sampling device of this utility model, it includes a sample storage bottle having a third inlet; the sample storage bottle is installed in the sample storage chamber.

[0016] In a preferred embodiment of the coal sampling device of this utility model, the control rod is slidably installed in the channel; at least two sample storage bottles are installed in the sample storage chamber;

[0017] The sampling rod is connected to the end of the first control handle with a fixedly connected bearing seat. The bearing seat has a threaded fastener, and the end of the fastener abuts against the control rod.

[0018] In a preferred embodiment of the coal sampling device of this utility model, the other end of the sampling body connected to the sampling rod is pointed.

[0019] In a preferred embodiment of the coal sampling device of this utility model, at least one level is provided at the end of the sampling rod connected to the first control handle.

[0020] In a preferred embodiment of the coal sampling device of this utility model, the surface of the sampling rod is provided with size scale.

[0021] In a preferred embodiment of the coal sampling device of this utility model, the sample storage chamber is provided with at least one fixedly connected partition plate, which is located between the two sample storage bottles.

[0022] As a preferred embodiment of the coal sampling device of this utility model, the sample storage chamber has a detachably connected fixed cover.

[0023] In a preferred embodiment of the coal sampling device of this utility model, a limiting edge is provided around the third feed inlet, and the limiting edge is fixedly connected to the sample storage bottle.

[0024] The coal sampling device of this utility model includes any one of the coal sampling devices described above.

[0025] Beneficial effects

[0026] This utility model solves the above-mentioned existing problems and other existing problems not mentioned above, and brings at least the following innovative advantages:

[0027] This utility model relates to a coal sampling and sample preparation device. Through a sampling rod with a sampling body and spiral blades, rotating the sampling rod allows the sampling body at its tip to be easily inserted into the coal pile powder with the assistance of the spiral blades. A control rod and a sample storage chamber are located within the sampling rod and sampling body. When the sampling body is in a predetermined position in the coal pile, rotating the control rod aligns the second inlet of the sample storage chamber with the first inlet of the sampling body. At this point, rotating the sampling rod allows small particles of coal or powdery coal slag within the gaps formed by the spiral blades during rotation to enter the sample storage chamber, thus completing the sampling process. This utility model is easy to operate, labor-saving, and can sample coal below the coal pile without requiring manual cleaning of the surface coal, making it convenient to use.

[0028] This utility model coal sampling and sample preparation device, by installing at least two sample storage bottles in the sample storage chamber, enables the use of samples from different locations, and completes sampling and sample preparation in one step. The sample storage bottle or the coal in the sample storage bottle can be directly poured out for testing.

[0029] This utility model coal sampling and sample preparation device, when the control lever is pushed or pulled, causing the control lever and the sample storage chamber to slide up and down, can make the third feed port of the sample storage bottle at different positions coincide with the first feed port respectively. This allows the device to switch to another sample storage bottle when one sample storage bottle is full; or to switch to different sample storage bottles to fill the sample when collecting coal samples at different positions and depths. Attached Figure Description

[0030] Figure 1 This is a three-dimensional rendering of the present invention;

[0031] Figure 2 This is a top view of the present invention.

[0032] Figure 3 This is an exploded view of the present invention;

[0033] Figure 4 for Figure 2 Cross-sectional view of position AA in the middle;

[0034] Figure 5 for Figure 1 A magnified view of a portion of region A in the middle;

[0035] Figure 6 for Figure 3 A magnified view of a portion of region B in the middle;

[0036] Figure 7 for Figure 3 A magnified view of a portion of region C in the middle;

[0037] Figure 8 for Figure 4 A magnified view of a portion of region D.

[0038] In the diagram: 1. Sampling rod, 2. Channel, 3. First control handle, 4. Sampling body, 5. Main cavity, 6. Spiral blade, 7. First feed inlet, 8. Control rod, 9. Second control handle, 10. Sample storage chamber, 11. Second feed inlet, 12. Sample storage bottle, 13. Third feed inlet, 14. Shaft seat, 15. Fastener, 16. Level, 17. Leveling disc, 18. Rotation scale, 19. Dimension scale, 20. Dimension mark, 21. Spacer plate, 22. Fixed cover, 23. Limiting edge. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings.

[0040] In the accompanying drawings, the same reference numerals represent the same parts. It should be noted that the described embodiments are only some, not all, of the embodiments disclosed herein.

[0041] Based on the embodiments described in this disclosure, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this disclosure.

[0042] Example 1

[0043] This utility model relates to a coal sampling device, which includes a sampling rod 1, wherein... Figure 3 The specific structure of the sampling rod 1 is shown. The sampling rod 1 has a channel 2 that runs through both ends. One end of the sampling rod 1 has a first control handle 3 that is fixedly connected.

[0044] like Figure 3 As shown, there is also sampling subject 4. Figure 3 The sampling body 4 and the sampling rod 1 are shown to be on the same axis; one end of the sampling body 4 is fixedly or detachably connected to the other end of the sampling rod 1; the other end of the sampling body 4 connected to the sampling rod 1 is pointed. Figure 4 and Figure 8 The sampling body 4 is shown to have a main cavity 5, the diameter of which is the same as the diameter of the channel 2; the main cavity 5 is connected to the channel 2.

[0045] Spiral blade 6, Figure 5 and Figure 7 This demonstrates that the spiral blade 6 surrounds the sampling body 4 and is fixedly connected to the sampling body 4; see also Figure 8 The surface of the sampling body 4 has a first feed inlet 7 that communicates with the main cavity 5. Figure 5 It is shown that the first feed inlet 7 is located within the gap formed by the spiral blades 6;

[0046] Including control lever 8, such as Figure 4 As shown, the control lever 8 is at least partially movably mounted within the channel 2 of the sampling rod 1. The end of the control lever 8 outside the channel 2 has a fixedly connected second control handle 9. The end of the control lever 8 inside the channel 2 is provided with a sample storage chamber 10, which is located within the main cavity 5. (See also...) Figure 3 , Figure 7 and Figure 8 The sample storage chamber 10 has a second inlet 11 on its surface, which communicates with the interior of the sample storage chamber 10; the second inlet 11 is at the same horizontal level as the first inlet 7. Figure 5 and Figure 8As shown, when the control lever 8 and the sample storage chamber 10 are rotated, the second feed port 11 can switch between a position that overlaps with the first feed port 7 and a position that does not overlap.

[0047] This utility model relates to a coal sampling device. Through the sampling rod 1 with its sampling body 4 and spiral blades 6, rotating the sampling rod 1 allows the sampling body 4 at its front end to be easily inserted into the coal pile powder with the assistance of the spiral blades 6. A control rod 8 and a sample storage chamber 10 are located within the sampling rod 1 and sampling body 4. When the sampling body 4 is in a predetermined position in the coal pile, rotating the control rod 8 aligns the second inlet 11 of the sample storage chamber 10 with the first inlet 7 of the sampling body 4. At this time, rotating the sampling rod 1 allows small particles of coal or powdery coal slag within the gaps formed by the spiral blades 6 during rotation to enter the sample storage chamber 10, thus completing the sampling process. This utility model is easy to operate, labor-saving, and can sample coal below the coal pile without requiring manual cleaning of the surface coal, making it convenient to use.

[0048] like Figure 3 , Figure 4 , Figure 7 and Figure 8 As shown, it also includes a sample storage bottle 12. Figure 7 This demonstrates that the sample storage bottle 12 has a third feed inlet 13; Figure 8 The sample storage bottle 12 is shown installed inside the sample storage chamber 10. For example... Figure 8 As shown, since the diameter of channel 2 is the same as or similar to the diameter of the main cavity, therefore, see... Figure 8 The control rod 8 is slidably installed within the channel 2, meaning that the control rod 8 and the sample storage chamber 10 can be connected as follows: Figure 8 The sample storage bottle 12 shown slides up and down within the main cavity 5 and / or channel 2; at least two sample storage bottles 12 are installed in the sample storage chamber 10; the coal sampling device and coal sample preparation device of this utility model realize the use of samples from different positions and complete sampling and sample preparation in one step by installing at least two or more sample storage bottles 12 in the sample storage chamber 10, and the sample storage bottle 12 or the coal in the sample storage bottle 12 can be directly poured out for testing.

[0049] This utility model coal sampling device, such as Figure 8 As shown, when the control lever 8 is pushed or pulled, causing the control lever 8 and the sample storage chamber 10 to slide the sample storage bottle 12 up and down, the third feed port of the sample storage bottle 12 at different positions can be made to coincide with the first feed port 7 respectively. This allows the switching of one sample storage bottle 12 when one sample storage bottle 12 is full; or the switching of different sample storage bottles 12 to fill samples when collecting coal samples at different positions and depths.

[0050] like Figure 6 As shown, the sampling rod 1 has a fixedly connected bearing 14 at its end connected to the first control handle 3. The bearing 14 has a threaded fastener 15, the end of which abuts against the control rod 8. The fastener 15 ensures that when it abuts against the control rod 8, the control rod 8 cannot rotate or slide; however, when the fastener 15 is released from the control rod 8, the control rod 8 can slide and rotate.

[0051] like Figure 6 As shown, at least one level 16 is provided at the end of the sampling rod 1 that connects to the first control handle 3. A level plate 17 is fixedly connected to the end of the sampling rod 1 that connects to the first control handle 3, wherein the aforementioned bearing 14 and the level 16 are respectively fixedly mounted on the level plate 17. The surface of the level plate 17 is also provided with a rotation scale 18.

[0052] like Figure 6 As shown, the surface of the sampling rod 1 is provided with size scale 19. The surface of the control rod 8 near the end of the second control handle 9 is provided with size mark 20.

[0053] like Figure 8 As shown, the sample storage chamber 10 is provided with at least one fixedly connected partition 21, which is located between the two sample storage bottles 12. Figure 3 , Figure 7 and Figure 8 The sample storage chamber 10 is shown to have a detachably connected fixed cover 22.

[0054] like Figure 7 and Figure 8 As shown, a limiting edge 23 is provided around the third feed inlet 13, and this limiting edge 23 is fixedly connected to the sample storage bottle 12. See also Figure 8 When the sample storage bottle 12 is installed in the sample storage chamber 10, the limiting side plug 23 is simultaneously located in the second feed inlet 11.

[0055] Example 2

[0056] like Figure 1 and Figure 8 As shown, the coal sampling device of this utility model includes the coal sampling device described in Example 1. The coal sampling device described in Example 1 is used to collect samples, wherein the sample storage bottle 12 stores the samples for easy delivery for testing.

[0057] The terms "first," "second," and similar words used in the specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms "an," "a," or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms "comprising" or "including" mean that the elements or objects preceding "comprising" cover the elements or objects listed after "comprising" or "including" and their equivalents, but do not exclude other elements or objects. "Above," "below," "left," "right," etc., are only used to indicate relative positional relationships, and these relative positional relationships may also change accordingly when the absolute position of the described object changes.

[0058] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. The scope of protection of the present utility model is defined by the appended claims. For those skilled in the art, other embodiments can be obtained based on the accompanying drawings without creative effort, and any modifications based on the claims of the present utility model are within the scope of protection of the present utility model.

Claims

1. A coal sampling device, characterized in that, include: A sampling rod, the sampling rod having a channel running through both ends; one end of the sampling rod has a first control handle fixedly connected to it; The sampling body is coaxial with the sampling rod; one end of the sampling body is fixedly or detachably connected to the other end of the sampling rod; the sampling body has a main cavity that communicates with the channel. A spiral blade surrounds the sampling body and is fixedly connected to the sampling body; the surface of the sampling body has a first feed port communicating with the main cavity, and the first feed port is located within the gap formed by the spiral blade; A control lever is at least partially movably mounted within the channel of the sampling rod. The end of the control lever outside the channel has a second control handle fixedly connected to it. The end of the control lever inside the channel is provided with a sample storage chamber located within the main cavity. The surface of the sample storage chamber has a second inlet communicating with the interior of the sample storage chamber. The second inlet and the first inlet are at the same horizontal level.

2. The coal sampling device according to claim 1, characterized in that, Includes a sample storage bottle having a third inlet; the sample storage bottle is installed in the sample storage chamber.

3. The coal sampling device according to claim 2, characterized in that, The control lever is slidably installed within the channel; at least two sample storage bottles are installed in the sample storage chamber; The sampling rod is connected to the end of the first control handle with a fixedly connected bearing seat. The bearing seat has a threaded fastener, and the end of the fastener abuts against the control rod.

4. The coal sampling device according to claim 1, characterized in that, The other end of the sampling body connected to the sampling rod is pointed.

5. The coal sampling device according to claim 1, characterized in that, The end of the sampling rod that connects to the first control handle is equipped with at least one level.

6. The coal sampling device according to claim 1, characterized in that, The sampling rod has a size scale on its surface.

7. The coal sampling device according to claim 3, characterized in that, The sample storage chamber is provided with at least one fixedly connected partition plate, which is located between the two sample storage bottles.

8. The coal sampling device according to claim 2, characterized in that, The sample storage chamber has a detachable fixed cover.

9. The coal sampling device according to claim 2, characterized in that, A limiting edge is provided around the third feed inlet, and the limiting edge is fixedly connected to the sample storage bottle.

10. A coal sample preparation device, characterized in that, Includes the coal sampling device according to any one of claims 2 to 9.

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