CN113086410A - Stratum soil sample storage device for geological exploration and use method thereof - Google Patents

Stratum soil sample storage device for geological exploration and use method thereof Download PDF

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Publication number
CN113086410A
CN113086410A CN202110368911.XA CN202110368911A CN113086410A CN 113086410 A CN113086410 A CN 113086410A CN 202110368911 A CN202110368911 A CN 202110368911A CN 113086410 A CN113086410 A CN 113086410A
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soil sample
sample storage
air
built
heat
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CN113086410B (en
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赵玉婷
孙晶
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Qingdao Geological Engineering Survey Institute
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Qingdao Geological Engineering Survey Institute
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00Closures not otherwise provided for
    • B65D51/24Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/28Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2038Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum

Abstract

The invention discloses a stratum soil sample storage device for geological exploration and a using method thereof, belonging to the technical field of geological exploration, the scheme can drive a piston plate to move upwards along the inner wall of a buffer guide pipe by rotating a threaded rotating rod so as to reduce the air pressure in a built-in cavity, thereby leading the air remained in a soil sample storage tank to enter the built-in cavity after ejecting a rubber sealing sheet, generating a large amount of heat by the contact of heating powder and air, on one hand, reducing the possibility that the soil in the soil sample storage tank is gradually oxidized by sucking the air, on the other hand, improving the gas flow efficiency in a sealing plug cover by the heat generated in the reaction process, thereby improving the absorption effect of the air in the soil sample storage tank, and simultaneously scattering the heating powder, thereby improving the reaction efficiency of the heating powder and the air, thereby increasing the consumption rate of air.

Description

Stratum soil sample storage device for geological exploration and use method thereof
Technical Field
The invention relates to the technical field of geological exploration, in particular to a stratum soil sample storage device for geological exploration and a using method thereof.
Background
The geological exploration is investigation and research activities of surveying and detecting geology through various means and methods, determining a proper bearing stratum, determining a foundation type according to the foundation bearing capacity of the bearing stratum and calculating foundation parameters. The method is to find an industrially significant mineral deposit in mineral census, provide mineral reserves and geological data required by mine construction design for finding out the quality and quantity of the mineral and technical conditions of mining and utilization, and carry out investigation and research work on geological conditions such as rocks, strata, structures, mineral products, hydrology, landforms and the like in a certain area.
In the prior art, when carrying out geological survey to soil, need gather partial soil sample, conveniently carry out subsequent research to soil sample, nevertheless in the storage process of soil, although it puts into sealed storage jar to it, when depositing, the air of partial probably remains in the storage jar, consequently can accelerate the oxidation of the interior material of soil.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a stratum soil sample storage device for geological exploration and a using method thereof, the scheme can drive a piston plate to move upwards along the inner wall of a buffer guide pipe by rotating a threaded rotating rod so as to reduce the air pressure in a built-in cavity, so that the residual air in the soil sample storage tank pushes the rubber sealing sheet open and then enters the built-in cavity, and by means of the contact between the heating powder and the air, a large amount of heat can be generated, on one hand, the possibility of gradual oxidation of the soil in the soil sample storage tank can be reduced by sucking air in, on the other hand, by means of the heat generated in the reaction process, can improve the gas flowing efficiency in the sealing plug cover, thereby improving the absorption effect of the air in the soil sample storage tank, and simultaneously scattering the heating powder, thereby improving the reaction efficiency of the heating powder and the air, and improving the consumption speed of the air.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A stratum soil sample storage device for geological exploration comprises a soil sample storage tank, wherein a sealing plug cover is connected to the upper end of the soil sample storage tank in a threaded mode, a built-in cavity is formed in the sealing plug cover in a chiseled mode, an exchange hole communicated with the built-in cavity is formed in the bottom end of the sealing plug cover in a chiseled mode, a filter screen is connected to the inner wall of the exchange hole, two rubber sealing pieces which are abutted to each other and located on the upper side of the filter screen are connected to the inner wall of the exchange hole, a buffer guide pipe communicated with the built-in cavity is mounted at the upper end of the sealing plug cover in an embedded mode, a threaded rotating rod is connected to the inner thread of the buffer guide pipe, a piston plate in contact with the inner wall of the buffer guide pipe is connected to the bottom end of the threaded rotating rod in a rotating mode, a pair of heat transfer carriers are connected, thereby make remaining air in the soil sample holding vessel push up and get into to built-in cavity behind the rubber mounting, with the help of the contact of heating powder and air, can produce a large amount of heats, on the one hand can reduce the soil in the soil sample holding vessel by the possibility of oxidation gradually through inhaling the air, on the other hand is with the help of the heat that produces in the reaction process, can improve the gas flow efficiency in the sealing plug lid, with this absorption effect to the air in the soil sample holding vessel that improves, also can break up the heating powder simultaneously, thereby improve the reaction efficiency of heating powder and air, with this consumption speed to the air that improves.
Furthermore, the heat transfer carrier comprises an upper heat conducting rod penetrating through the sealing plug cover, the bottom end of the upper heat conducting rod is connected with a heat change ball bag, a built-in magnetic ball is arranged in the heat change ball bag, the bottom end of the heat change ball bag is connected with a lower heat conducting rod, and the heat change ball bag can be expanded by means of heat generated in the reaction process of air and heating powder through the reaction of the air and the heating powder, so that the magnetic shielding of the built-in magnetic ball is removed, on one hand, the scattering effect of the heating powder can be improved by means of the expansion of the built-in magnetic ball, and on the other hand, the ferroferric oxide powder generated after the heating powder reacts with the air can be adsorbed by means of the adsorption effect of the.
Further, the opening of sealing plug cap upper end has the label to paste the groove, go up the heat-conducting rod inlay establish with the label paste inslot bottom, through setting up the label and paste the groove, can make things convenient for the record person to paste the sticker of the information of record soil sample at the label and paste the inslot to with the help of the heat of last heat-conducting rod transmission, can improve the viscidity that improves sticker bottom glue.
Furthermore, the built-in cavity is filled with heating powder, the heating powder is made of reducing iron powder materials, and the heating powder can consume air in the soil sample storage tank through reaction of the heating powder and the air.
Further, the upper and lower heat conduction rods are made of an aluminum material, and the efficiency of transferring heat can be improved by manufacturing the upper and lower heat conduction rods using an aluminum material.
Furthermore, a plurality of uniformly distributed magnetism-insulating powder is embedded in the heat-variable saccule and made of an iron-nickel alloy material with the nickel content of 80%, and the magnetism-insulating powder can increase the distance between the magnetism-insulating powder after the heat-variable saccule expands, so that the magnetic shielding of the built-in magnetic ball is eliminated.
Furthermore, the outer end of the thermal change balloon is connected with a plurality of capillary fiber spines which are uniformly distributed, the distance between the capillary fiber spines is 50 micrometers, and the stirring effect of the thermal change balloon on heating powder can be improved by arranging the capillary fiber spines.
Further, two be connected with the screening rope down between the heat conduction pole, be connected with a plurality of evenly distributed's screening disc between the screening rope, through setting up screening rope and screening disc, can be after the thermal change sacculus inflation, can improve the effect of scattering to the stirring of heating the powder.
A use method of a stratum soil sample storage device for geological exploration comprises the following steps:
s1, the piston plate can be driven to move upwards along the inner wall of the buffer guide pipe by rotating the threaded rotating rod, so that the air pressure in the built-in cavity is reduced, and the air remained in the soil sample storage tank pushes the rubber sealing sheet open and then enters the built-in cavity;
s2, a large amount of heat can be generated by the contact of the heating powder and the air, and the possibility that the soil in the soil sample storage tank is gradually oxidized can be reduced by sucking the air;
s3, by means of the heat generated in the reaction process, the gas flow efficiency in the sealing plug cover can be improved, so that the absorption effect on the air in the soil sample storage tank is improved, and meanwhile, the heating powder can be scattered, so that the reaction efficiency of the heating powder and the air is improved, and the air consumption speed is increased.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can drive the piston board through rotatory screw bull stick and move on along the buffering pipe inner wall, with this atmospheric pressure in reducing built-in cavity, thereby make remaining air in the soil sample holding vessel push up and enter into to built-in cavity behind the rubber mounting, with the help of the contact of heating powder and air, can produce a large amount of heats, on the one hand through inhaling the possibility that can reduce soil in the soil sample holding vessel by oxidation gradually with the air, on the other hand is with the help of the heat that produces in the reaction sequence, can improve the gas flow efficiency in the sealed gag, with this absorption effect to the interior air of soil sample holding vessel that improves, the powder of also can will heating is broken up simultaneously, thereby improve the reaction efficiency of heating powder and air, with this consumption speed to the air that improves.
(2) The heat transfer carrier includes with the last heat conduction pole that runs through sealed gag, it is connected with the heat altered sacculus to go up the heat conduction pole bottom, be equipped with built-in magnetism ball in the heat altered sacculus, heat altered sacculus bottom is connected with down the heat conduction pole, through the reaction of air with the powder of heating, can be with the help of the heat that produces in its reaction process, make the heat altered sacculus inflation, thereby remove the magnetic screen to built-in magnetism ball, on the one hand with the help of its inflation, can improve the effect of breaing up the powder of heating, on the other hand with the help of the adsorption of built-in magnetism ball, can adsorb the ferroferric oxide powder that produces after the powder of heating reacts with the air.
(3) The upper end of the sealing plug cover is provided with a label sticking groove, the upper heat conducting rod is embedded in the bottom end of the label sticking groove, and the label sticking groove is arranged, so that a recorder can conveniently stick a sticker for recording information of a soil sample in the label sticking groove, and the stickiness of the bottom glue of the sticker can be improved by means of the heat transferred by the upper heat conducting rod.
(4) The built-in cavity is filled with heating powder, the heating powder is made of reducing iron powder materials, and the heating powder can consume air in the soil sample storage tank through reaction of the heating powder and the air.
(5) The upper and lower heat-conducting rods are made of an aluminum material, and the efficiency of transferring heat can be improved by making the upper and lower heat-conducting rods of an aluminum material.
(6) A plurality of uniformly distributed magnetism-insulating powder are embedded in the heat-variable saccule and made of iron-nickel alloy material with nickel content of 80%, and the magnetism-insulating powder can promote the expansion of the heat-variable saccule and increase the distance between the magnetism-insulating powder, so that the magnetic shielding of the built-in magnetic ball is removed.
(7) The outer end of the thermal change balloon is connected with a plurality of capillary fiber spines which are uniformly distributed, the distance between the capillary fiber spines is 50 mu m, and the stirring effect of the thermal change balloon on heating powder can be improved by arranging the capillary fiber spines.
(8) Be connected with the screening rope under two between the heat conduction pole, be connected with a plurality of evenly distributed's screening disc between the screening rope, through setting up screening rope and screening disc, can be after the thermal change sacculus inflation, can improve the effect of scattering to the stirring of heating the powder.
Drawings
FIG. 1 is a cross-sectional view of a portion of a soil sample storage tank of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a cross-sectional view of a portion of the buffer tube of the present invention;
FIG. 4 is a cross-sectional view of a heat transfer carrier portion of the present invention;
fig. 5 is a cross-sectional view of the expansion of the heat transfer carriers of the present invention.
The reference numbers in the figures illustrate:
the soil sample thermal-transformation device comprises a soil sample storage tank 1, a sealing plug cover 2, a label sticking groove 201, a built-in cavity 3, heating powder 301, an exchange hole 4, a filter screen 5, a rubber sealing sheet 6, a buffer guide pipe 7, a thread rotating rod 8, a piston plate 9, a heat transfer carrier 10, an upper heat conducting rod 11, a heat-transformation balloon 12, a capillary fiber prick 1201, a built-in magnetic ball 13, a lower heat conducting rod 14, a 1401 sieving rope and a sieving disc 1402.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, a stratum soil sample storage device for geological exploration comprises a soil sample storage tank 1, wherein the upper end of the soil sample storage tank 1 is in threaded connection with a sealing plug cap 2, a built-in cavity 3 is drilled in the sealing plug cap 2, an exchange hole 4 communicated with the built-in cavity 3 is drilled at the bottom end of the sealing plug cap 2, a filter screen 5 is connected to the inner wall of the exchange hole 4, two rubber sealing sheets 6 which are mutually abutted and positioned at the upper side of the filter screen 5 are connected to the inner wall of the exchange hole 4, a buffer conduit 7 communicated with the built-in cavity 3 is embedded and installed at the upper end of the sealing plug cap 2, a threaded rotating rod 8 is in threaded connection with the buffer conduit 7, a piston plate 9 which is in mutual contact with the inner wall of the buffer conduit 7 is rotatably connected to the bottom end of the threaded rotating rod 8, a pair of heat transfer carriers 10 is connected to the inner top end of the, the air pressure in the built-in cavity 3 is reduced, so that the air remained in the soil sample storage tank 1 pushes the rubber sealing sheet 6 and then enters the built-in cavity 3, a large amount of heat can be generated by means of contact of the heating powder 301 and the air, on one hand, the possibility that the soil in the soil sample storage tank 1 is gradually oxidized can be reduced by sucking the air, on the other hand, the gas flow efficiency in the sealing plug cover 2 can be improved by means of the heat generated in the reaction process, the absorption effect of the air in the soil sample storage tank 1 is improved, meanwhile, the heating powder 301 can be scattered, the reaction efficiency of the heating powder 301 and the air is improved, and the air consumption speed is improved.
Referring to fig. 4-5, the heat transfer carrier 10 includes an upper heat conducting rod 11 penetrating through the sealing plug 2, the bottom end of the upper heat conducting rod 11 is connected to a thermal change balloon 12, a built-in magnetic ball 13 is disposed in the thermal change balloon 12, and the bottom end of the thermal change balloon 12 is connected to a lower heat conducting rod 14, so that the thermal change balloon 12 can be expanded by heat generated in the reaction process through the reaction between air and the heating powder 301, thereby removing the magnetic shielding of the built-in magnetic ball 13, on one hand, the scattering effect of the heating powder 301 can be improved by the expansion, and on the other hand, the ferroferric oxide powder generated after the heating powder 301 reacts with air can be adsorbed by the adsorption of the built-in magnetic ball 13.
Referring to fig. 1, a label attaching groove 201 is formed in the upper end of a sealing plug cover 2, an upper heat conducting rod 11 is embedded in the bottom end of the label attaching groove 201, a recorder can attach a sticker for recording information of a soil sample to the label attaching groove 201 conveniently by arranging the label attaching groove 201, the viscosity of glue at the bottom of the sticker can be improved by means of heat transferred by the upper heat conducting rod 11, heating powder 301 is filled in a built-in cavity 3, the heating powder 301 is made of a reducing iron powder material, and the heating powder 301 can react with air by means of the reaction of the heating powder 301, so that air in the soil sample storage tank 1 is consumed.
Referring to fig. 4 to 5, the upper heat conducting rod 11 and the lower heat conducting rod 14 are made of aluminum materials, so that the heat transfer efficiency of the heat conducting rod can be improved, a plurality of uniformly distributed magnetic insulation powder is embedded in the heat variable balloon 12, the magnetic insulation powder is made of iron-nickel alloy material with the nickel content of 80%, and the magnetic insulation powder is arranged to promote the expansion of the heat variable balloon 12 and increase the distance between the magnetic insulation powder, so that the magnetic shielding of the built-in magnetic ball 13 is eliminated.
Referring to fig. 2-5, the outer end of the thermal change balloon 12 is connected with a plurality of capillary fiber pricks 1201 which are uniformly distributed, the distance between the capillary fiber pricks 1201 is 50 μm, the stirring effect of the thermal change balloon 12 on the heating powder 301 can be improved by arranging the capillary fiber pricks 1201, the sieving ropes 1401 are connected between the two lower heat conducting rods 14, a plurality of sieving disks 1402 which are uniformly distributed are connected between the sieving ropes 1401, and the stirring effect of the heating powder 301 can be improved by arranging the sieving ropes 1401 and the sieving disks 1402 after the thermal change balloon 12 is expanded.
A use method of a stratum soil sample storage device for geological exploration comprises the following steps:
s1, the piston plate 9 can be driven to move upwards along the inner wall of the buffer conduit 7 by rotating the threaded rotating rod 8, so that the air pressure in the built-in cavity 3 is reduced, and the residual air in the soil sample storage tank 1 pushes the rubber sealing sheet 6 open and then enters the built-in cavity 3;
s2, the contact between the heating powder 301 and the air can generate a large amount of heat, and the possibility of gradual oxidation of the soil in the soil sample storage tank 1 can be reduced by sucking the air;
s3, the gas flow efficiency in the sealing plug 2 can be improved by the heat generated during the reaction process, so as to improve the absorption effect of the air in the soil sample storage tank 1, and the heating powder 301 can be scattered, so as to improve the reaction efficiency between the heating powder 301 and the air, thereby improving the air consumption rate.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims (9)

1. The utility model provides a geological survey is with stratum soil sample storage device, includes soil sample storage jar (1), its characterized in that: the upper end of the soil sample storage tank (1) is connected with a sealing plug cover (2) in a threaded manner, a built-in cavity (3) is chiseled in the sealing plug cover (2), the bottom end of the sealing plug cover (2) is provided with an exchange hole (4) communicated with the built-in cavity (3), the inner wall of the exchange hole (4) is connected with a filter screen (5), the inner wall of the exchange hole (4) is connected with two rubber sealing sheets (6) which are mutually abutted and are positioned at the upper side of the filter screen (5), the upper end of the sealing plug cover (2) is embedded with a buffer conduit (7) which is communicated with the built-in cavity (3), the inner thread of the buffer conduit (7) is connected with a thread rotating rod (8), the bottom end of the thread rotating rod (8) is rotationally connected with a piston plate (9) which is mutually contacted with the inner wall of the buffer conduit (7), the top end in the built-in cavity (3) is connected with a pair of heat transfer carriers (10).
2. A formation soil sample storage device for geological exploration according to claim 1, characterized in that: the heat transfer carrier (10) comprises an upper heat conducting rod (11) penetrating through the sealing plug cover (2), the bottom end of the upper heat conducting rod (11) is connected with a heat change ball bag (12), a built-in magnetic ball (13) is arranged in the heat change ball bag (12), and the bottom end of the heat change ball bag (12) is connected with a lower heat conducting rod (14).
3. A formation soil sample storage device for geological exploration according to claim 1, characterized in that: the upper end of the sealing plug cover (2) is provided with a label sticking groove (201), and the upper heat conducting rod (11) is embedded at the bottom end in the label sticking groove (201).
4. A formation soil sample storage device for geological exploration according to claim 1, characterized in that: heating powder (301) is filled in the built-in cavity (3), and the heating powder (301) is made of reducing iron powder materials.
5. A formation soil sample storage device for geological exploration according to claim 1, characterized in that: the upper heat conducting rod (11) and the lower heat conducting rod (14) are both made of aluminum materials.
6. A formation soil sample storage device for geological exploration according to claim 1, characterized in that: a plurality of uniformly distributed magnetic isolation powder is embedded in the thermal change balloon (12), and the magnetic isolation powder is made of an iron-nickel alloy material with the nickel content of 80%.
7. A formation soil sample storage device for geological exploration according to claim 1, characterized in that: the outer end of the heat-changing saccule (12) is connected with a plurality of capillary fiber spines (1201) which are uniformly distributed, and the distance between the capillary fiber spines (1201) is 50 mu m.
8. A formation soil sample storage device for geological exploration according to claim 1, characterized in that: a screening rope (1401) is connected between the two lower heat conducting rods (14), and a plurality of screening discs (1402) which are uniformly distributed are connected between the screening ropes (1401).
9. A method of using a geological formation soil sample storage device for geological exploration according to any of claims 1-8, characterized in that: the method comprises the following steps:
s1, the piston plate (9) can be driven to move upwards along the inner wall of the buffer guide pipe (7) by rotating the threaded rotating rod (8), so that the air pressure in the built-in cavity (3) is reduced, and the air remained in the soil sample storage tank (1) pushes the rubber sealing sheet (6) open and then enters the built-in cavity (3);
s2, a large amount of heat can be generated by the contact of the heating powder (301) and air, and the possibility that the soil in the soil sample storage tank (1) is gradually oxidized can be reduced by sucking the air;
s3, the gas flow efficiency in the sealing plug cover (2) can be improved by the heat generated in the reaction process, so that the absorption effect of the air in the soil sample storage tank (1) is improved, and the heating powder (301) can be scattered, so that the reaction efficiency of the heating powder (301) and the air is improved, and the air consumption speed is improved.
CN202110368911.XA 2021-04-06 2021-04-06 Stratum soil sample storage device for geological exploration and use method thereof Active CN113086410B (en)

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CN115213430A (en) * 2021-10-08 2022-10-21 湖南云箭集团有限公司 3D printing powder material forming temperature field blank slow-seepage device and application thereof

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