CN114834904A - Shell for conveying ground materials and using method thereof - Google Patents
Shell for conveying ground materials and using method thereof Download PDFInfo
- Publication number
- CN114834904A CN114834904A CN202210396310.4A CN202210396310A CN114834904A CN 114834904 A CN114834904 A CN 114834904A CN 202210396310 A CN202210396310 A CN 202210396310A CN 114834904 A CN114834904 A CN 114834904A
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- shell
- cannonball
- piece
- barrel
- conveying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
- B65G51/06—Despatch carriers for tube mail
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a grinding material conveying shell which comprises a shell barrel, wherein openings at two ends of the shell barrel are respectively provided with a first sealing piece and a second sealing piece, the second sealing piece is provided with a material inlet and a material outlet, and the material inlet and the material outlet are formed with annular chamfers; a shell ball valve and an elastic reset piece are arranged in the shell barrel; one end of the elastic resetting piece is connected and clings to the first closing piece, and the other end of the elastic resetting piece is connected with the shell ball valve; one end of the cannonball valve is connected with the elastic reset piece, and the other end of the cannonball valve is tightly attached to the annular chamfer. The conveying shell has the advantages of ingenious structure and high reliability, can effectively avoid samples from scattering in a pipeline, guarantees the cleanliness of the pipeline, and meanwhile replaces the traditional mode of replacing grinding materials to convey the shell integrally in the sliding ring replacing mode, so that the replacement cost can be effectively reduced. The application method of the shell for conveying the ground materials is based on the shell for conveying the ground materials, is simple in action, strong in reliability and high in durability, and is more suitable for automatic cement production and detection production lines compared with the prior art.
Description
Technical Field
The invention relates to the technical field of cement production detection, in particular to a shell for conveying ground materials and a using method thereof.
Background
The shell for conveying the ground materials is an important device in a transfer link for realizing automatic production and detection processes of a cement production plant, is used as a link for connecting a production field and a laboratory, and can convey cement samples obtained on the workshop field to a chemical detection room to finish component identification.
The shell is carried to current grinding material adopts hollow cylinder as the shell body usually, and the water mud grinding material can be stored to the inner chamber, and the shell lid passes through the screw thread and fastens with the shell body, has following shortcoming: firstly, the rotation and the vibration can be generated in the conveying process of the cannonball, the loosening of threads is easy to generate, and the cannonball cover is separated, so that a sample is scattered in a pipeline and is difficult to clean; secondly, the screwing force of the shell cover is difficult to control, the thread is loosened when the screwing force is too small, the sample cannot be completely stored in a sealed way, and the shell cover is difficult to open and take materials when the screwing force is too large; thirdly, the shell body is easy to wear due to direct contact with a pipeline, the shell body needs to be replaced once every half year, the service life is short, the replacement frequency is high, the use cost is high, and the popularization and the application of the shell for conveying the grinding materials in the technical field of cement production detection are not facilitated.
Disclosure of Invention
In order to overcome the defects in the prior art, the first invention aims to provide a shell for conveying ground materials, which has the advantages of simple and ingenious structure and high reliability, can effectively prevent samples from scattering in a pipeline, ensures the cleanliness of the pipeline, and meanwhile, replaces the traditional way of replacing the whole shell for conveying ground materials by replacing parts, can effectively reduce the replacement cost, further reduce the use cost, and is favorable for popularization and application of the shell for conveying ground materials in the technical field of cement production detection. The second invention of the invention aims to provide a using method of the shell for conveying the grinding materials, the shell for conveying the grinding materials is simple in action, strong in reliability and high in durability, and is more suitable for automatic cement production and detection production lines compared with the prior art.
The application methods of the shell for conveying the grinding materials and the shell for conveying the grinding materials are technically related to each other, and belong to the same invention concept.
In order to achieve the first object, the invention adopts the following technical scheme: a shell for conveying ground materials comprises a shell barrel with a hollow structure, wherein openings at two ends of the shell barrel are respectively and tightly provided with a first sealing piece and a second sealing piece, a material inlet and a material outlet with a through hole structure are formed along the axial direction of the second sealing piece, and an annular chamfer is formed at one end, facing the shell barrel, of the material inlet and the material outlet; a clamp spring structure is arranged in the shell barrel and comprises a shell ball valve and an elastic resetting piece; one end of the elastic resetting piece is connected with and clings to the first closing piece, and the other end of the elastic resetting piece is connected with the shell ball valve and is limited relatively; one end of the shell ball valve is connected with the elastic resetting piece, and the other end of the shell ball valve is tightly attached to the annular chamfer inside the closing piece to form a sealed cavity structure inside the shell barrel.
In a preferred embodiment of the present invention, a limit ring platform is formed on an outer wall of the shell barrel, two slip ring mounting locations are formed between the limit ring platform and the first and second sealing members, and a slip ring that can freely rotate around the circumference of the shell barrel is mounted at each of the two slip ring mounting locations.
As a preferable scheme of the present invention, the outer wall of the slip ring is designed as a cambered surface.
As a preferable scheme of the invention, the limit ring platform and the shell barrel are integrally formed.
In a preferred embodiment of the present invention, the slip ring is made of copper.
As a preferable scheme of the invention, the annular chamfer is smoothly jointed with the inner wall of the shell barrel.
In a preferred aspect of the present invention, the first closing member and the second closing member are both fastening nuts, and the shell barrel is screwed to the first closing member and the second closing member.
As a preferable aspect of the present invention, the first closure and the second closure each form a step.
In a preferred embodiment of the present invention, the elastic restoring member is a pressure spring.
Compared with the prior art, the invention has the beneficial effects that: according to the grinding material conveying cannonball, the cannonball valve is tightly attached to the annular chamfers at the two positions of the sealing piece to ensure that a cannonball bin is completely sealed, so that a sample is prevented from scattering in a pipeline, meanwhile, the cannonball valve is pushed by external force to open and close a material feeding port, the sealing piece at the two ends of the cannonball barrel does not need to be screwed, the degree of abrasion of a threaded connection part can be effectively reduced, and the probability of material leakage at the threaded connection part is further reduced.
Further, through the sliding ring of evagination in shell section of thick bamboo surface of shell section of thick bamboo outer wall installation, can effectively avoid carrying the whole and pipeline direct contact of shell, alleviate shell section of thick bamboo outer wall wearing and tearing, guarantee to carry the life of shell, reduce use cost, and the sliding ring is along the circumference free rotation of shell section of thick bamboo outer wall, can improve the speed of carrying shell transportation sample.
Furthermore, because the wear resistance of the copper material is high, the slip ring is made of the copper material, the service life of the shell can be further guaranteed, if the slip ring needs to be replaced, only the closing parts at the two ends of the shell barrel need to be removed, the whole replacement of the shell in the prior art is replaced by the replacement of the parts, the use cost is reduced, the economic benefit is improved, and the popularization and the application of the shell for conveying the grinding materials in the technical field of cement production detection are facilitated.
In order to achieve the second object, the invention adopts the following technical scheme: the use method of the shell for conveying the grinding materials is used for conveying the shell by using the grinding materials; comprises a charging method and a discharging method; the charging method comprises the following steps: s1, vertically placing the shell barrel, and keeping one end provided with the second sealing piece upward; s2, pushing the cannonball valve to the interior of the cannonball barrel by using external force, and enabling the cannonball valve to be far away from a material inlet and a material outlet; s3, pouring a sample into the cannonball barrel and releasing external force, and completely attaching the cannonball valve and the annular chamfer in the second closing piece to close the cannonball bin under the action of the elastic resetting piece; s4, conveying the cannonball to the position through a pipeline; the discharging method comprises the following steps: s1, vertically placing the shell barrel, and keeping one end provided with the second sealing piece downward; s2, pushing the cannonball valve to the interior of the cannonball barrel by using external force, and enabling the cannonball valve to be far away from a material inlet and a material outlet; s3, pouring the sample out of the shell barrel under the action of gravity and with vibration; s4, releasing external force, and completely attaching the shell ball valve to the annular chamfer angle in the second closing piece under the action of the elastic resetting piece to re-close the shell bin; and S5, conveying the cannonball bin through the pipeline for returning use.
Compared with the prior art, the invention has the beneficial effects that: according to the using method of the grinding material conveying cannonball, the material inlet and the material outlet are opened in a mode of pushing the cannonball valve by using external force, the external force is released, and the cannonball valve can be attached to the annular chamfer surface of the top closing piece under the action of the pressure spring to close the material inlet and the material outlet. Compared with the prior art, the mode has the advantages of simple action, strong reliability and high durability, is more suitable for automatic cement production and detection production lines, and is favorable for popularization and application of the shell for conveying the ground materials in the technical field of cement production detection.
Drawings
Fig. 1 is a schematic structural view of a grinding material conveying shell in an embodiment;
fig. 2 is a schematic structural view of a grinding material conveying shell in the embodiment;
FIG. 3 is a cross-sectional view of the structure at A-A in FIG. 2;
fig. 4 is a schematic disassembled structure view of the grinding material conveying shell in the embodiment;
figure 5 is a schematic structural view of a barrel of a ground material conveying shell in the embodiment;
fig. 6 is a schematic structural diagram of a shell ball valve in a ground material conveying shell in the embodiment.
Reference numerals: 1. a shell barrel; 1-1, a slip ring mounting position; 1-2, a limit ring table; 2. a first closing part; 3. a second sealing part; 4. a material inlet and a material outlet; 5. a slip ring; 6. a shell ball valve; 6-1, a ball valve embedding part; 6-2, a ball valve abutment; 7. an elastic reset member; 8. a step portion; 9. and (6) carrying out annular chamfering.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example (b): as shown in fig. 1 to 5, a grinding material conveying shell comprises a shell barrel 1, wherein a hollow structure shell bin for loading cement grinding materials is formed inside the shell barrel 1. In order to avoid the ground materials in the shell bin from falling into the conveying pipeline, the opening parts at the two ends of the shell barrel 1 are respectively and tightly provided with a first sealing part 2 and a second sealing part 3, in order to simplify the charging or discharging process and simultaneously reduce the operation on the first sealing part 2 and the second sealing part 3, thereby reducing the abrasion among the first sealing part 2, the second sealing part 3 and the shell barrel 1, a material inlet and outlet 4 with a through hole structure is arranged along the axial direction of the second sealing part 3, and an annular chamfer 9 is formed at one end of the material inlet and outlet 4 facing the shell barrel 1. In order to seal the shell cabin in the process of transferring and conveying shells, a clamp spring structure is arranged inside the shell barrel 1 and comprises a shell ball valve 6 and an elastic reset piece 7, and the elastic reset piece 7 is a pressure spring. In order to fix the elastic reset piece 7 and realize the function of resetting the shell ball valve 6 by the elastic reset piece 7, one end of the elastic reset piece 7 is connected and tightly attached to the first closing piece 2, and the other end is connected and relatively limited with the shell ball valve 6. One end of the shell ball valve 6 is connected with the elastic resetting piece 7, and the other end of the shell ball valve is tightly attached to the annular chamfer 9 inside the closing piece 3, so that a sealed cavity structure is formed inside the shell barrel 1.
In order to prevent the material accumulation inside the shell barrel 1 and ensure that the sample can be completely poured out through the material inlet and outlet 4, the annular chamfer 9 is smoothly attached to the inner wall of the shell barrel 1.
In order to reduce the installation difficulty and ensure that the cannonball valve 6 is tightly attached to the annular chamfer 9, the appearance design of the cannonball valve 6 can be bulb-shaped, as shown in fig. 6, the cannonball valve 6 comprises a ball valve embedding part 6-1 and a ball valve abutting part 6-2, the ball valve embedding part 6-1 is embedded at one end of a pressure spring, the ball valve abutting part 6-2 is abutted and sealed at the annular chamfer 9, and the sealing performance of a cannonball bin is ensured. In order to ensure the structural strength of the cannonball valve 6 and reduce the probability of fracture of the joint of the ball valve embedding part 6-1 and the ball valve abutting part 6-2, the cannonball valve 6 is integrally formed.
In order to avoid the direct contact between the whole conveying shell and a conveying pipeline and reduce the abrasion degree of the outer wall of the shell barrel, a limiting ring platform 1-2 is formed on the outer wall of the shell barrel 1, two sliding ring mounting positions 1-1 are formed between the limiting ring platform 1-2 and the first closing piece 2 and between the second closing piece 3, a sliding ring 5 is mounted at the sliding ring mounting position 1-1, and the most protruded part of the outer wall of the sliding ring 5 protrudes out of the outer walls of the shell barrel 1 and the limiting ring platform 1-2, so that the surface of the conveying shell, which is in contact with the pipeline in the conveying process, is only the surface of the sliding ring 5, the abrasion of the shell barrel is not directly caused, the service life of the shell barrel is ensured, and the use cost is reduced. In order to increase the rate at which the shell is transported to the sample, the two slip rings 5 are free to rotate circumferentially around the shell barrel 1. The outer wall of the sliding ring 5 is designed into a cambered surface, so that the cannonball can move more smoothly in the conveying bent pipe.
In order to reduce the probability of the falling of the joint of the limit ring platform 1-2 and the shell barrel 1, the limit ring platform 1-2 and the shell barrel 1 are integrally formed.
In order to facilitate installation and reduce installation difficulty, the first sealing element 2 and the second sealing element 3 are fastening nuts, and the shell barrel 1 is in threaded connection with the first sealing element 2 and the second sealing element 3. And the first sealing part 2 and the second sealing part 3 are both formed into a step part 8, namely a slope section, as shown in fig. 4, so that the screw thread tightening force is facilitated, the sealing performance of the joints of the first sealing part 2, the second sealing part 3 and the shell barrel 1 is further ensured, the probability of exposing materials is reduced, and the cleanliness of a conveying pipeline is ensured.
Because the wear resistance of the copper material is high, the slip ring 5 is made of the copper material, the service life of the shell can be further guaranteed, if the slip ring 5 needs to be replaced, only the closing pieces at two ends of the shell barrel 1 need to be detached firstly, the shell in the prior art is replaced by replacing the parts, the use cost is reduced, the economic benefit is improved, and the popularization and the application of the shell for conveying the grinding materials in the technical field of cement production detection are facilitated.
A use method of a shell for conveying ground materials comprises a charging method and a discharging method; the charging method comprises the following steps: s1, vertically placing the cannonball barrel 1, and keeping one end provided with the second sealing piece 3 upward; s2, pushing the cannonball valve 6 to the interior of the cannonball barrel 1 by using external force, and enabling the cannonball valve 6 to be far away from the material inlet and outlet 4; s3, pouring a sample into the cannonball barrel 1 and releasing external force, and completely attaching the cannonball valve 6 to the annular chamfer 9 in the closing piece II 3 under the action of the elastic resetting piece 7 to close the cannonball bin; s4, conveying the cannonball to the position through a pipeline; the discharging method comprises the following steps: s1, vertically placing the shell barrel 1, and keeping one end provided with the second sealing piece 3 downward; s2, pushing the cannonball valve 6 to the interior of the cannonball barrel 1 by using external force, and enabling the cannonball valve 6 to be far away from the material inlet and outlet 4; s3, pouring the sample out of the shell barrel 1 under the action of gravity and with vibration; s4, releasing external force, and completely attaching the shell ball valve 6 to the annular chamfer 9 in the closing piece II 3 under the action of the elastic resetting piece 7 to re-close the shell bin; and S5, conveying the cannonball bin through the pipeline for returning use.
In the using method of the grinding material conveying cannonball in the embodiment, the material inlet and outlet 4 is opened by pushing the cannonball valve 6 by using external force, the external force is released, and the cannonball valve 6 is attached to the annular chamfer 9 surface of the top closing piece under the action of the pressure spring to close the material inlet and outlet 4. Compared with the prior art, the mode has the advantages of simple action, strong reliability and high durability, is more suitable for automatic cement production and detection production lines, and is favorable for popularization and application of the shell for conveying the ground materials in the technical field of cement production detection.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: 1. a shell barrel; 1-1, a slip ring mounting position; 1-2, a limit ring table; 2. a first closing part; 3. a second sealing part; 4. a material inlet and a material outlet; 5. a slip ring; 6. a shell ball valve; 6-1, a ball valve embedding part; 6-2, a ball valve abutment; 7. an elastic reset member; 8. a step portion; 9. annular chamfer, etc., without excluding the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The shell for conveying the ground materials is characterized in that: the gun barrel comprises a gun barrel body (1) with a hollow structure, wherein openings at two ends of the gun barrel body (1) are respectively and fixedly provided with a first sealing part (2) and a second sealing part (3), a material inlet and outlet (4) with a through hole structure is formed in the axial direction of the second sealing part (3), and an annular chamfer (9) is formed at one end, facing the gun barrel body (1), of the material inlet and outlet (4); a clamp spring structure is arranged in the shell barrel (1), and comprises a shell ball valve (6) and an elastic resetting piece (7); one end of the elastic resetting piece (7) is connected with and clings to the first closing piece (2), and the other end of the elastic resetting piece is connected with the shell ball valve (6) and is limited relatively; one end of the shell ball valve (6) is connected with the elastic reset piece (7), and the other end of the shell ball valve is tightly attached to the annular chamfer angle (9) to enable the interior of the shell barrel (1) to form a sealed cavity structure.
2. The ground material conveying cannonball of claim 1, wherein: the outer wall of the shell barrel (1) is provided with a limiting ring platform (1-2), two sliding ring installation positions (1-1) are formed between the limiting ring platform (1-2) and the first sealing part (2) and between the limiting ring platform (1-2) and the second sealing part (3), and the sliding rings (5) which can freely rotate around the periphery of the shell barrel (1) are installed at the two sliding ring installation positions (1-1).
3. The ground material conveying cannonball of claim 2, wherein: the outer wall of the slip ring (5) is designed to be a cambered surface.
4. The ground material conveying cannonball of claim 3, wherein: the limiting ring table (1-2) and the shell barrel (1) are integrally formed.
5. The ground material conveying cannonball of claim 4, wherein: the slip ring (5) is made of copper.
6. The ground material conveying cannonball of claim 1 or 5, wherein: the annular chamfer (9) is smoothly attached to the inner wall of the shell barrel (1).
7. The ground material conveying cannonball of claim 6, wherein: the first sealing piece (2) and the second sealing piece (3) are fastening nuts, and the shell barrel (1) is in threaded connection with the first sealing piece (2) and the second sealing piece (3).
8. The ground material conveying cannonball of claim 7, wherein: the first closure part (2) and the second closure part (3) each form a step (8).
9. The ground material conveying cannonball of claim 1, wherein: the elastic reset piece (7) is a pressure spring.
10. A method for using a ground material conveying shell, which is used for using the ground material conveying shell as claimed in any one of claims 1 to 9; the method is characterized in that: comprises a charging method and a discharging method; the charging method comprises the following steps: s1, vertically placing the shell barrel (1) and keeping one end provided with the second sealing piece (3) upward; s2, pushing the cannonball valve (6) to the interior of the cannonball barrel (1) by using external force, and enabling the cannonball valve (6) to be far away from the material inlet and outlet (4); s3, pouring a sample into the shell barrel (1) and releasing external force, and completely attaching the shell ball valve (6) to the annular chamfer (9) inside the second closing piece (3) under the action of the elastic resetting piece (7) to close the shell bin; s4, conveying the cannonball to the position through a pipeline; the discharging method comprises the following steps: s1, vertically placing the shell barrel (1) and keeping one end provided with the second sealing piece (3) downward; s2, pushing the cannonball valve (6) to the interior of the cannonball barrel (1) by using external force, and enabling the cannonball valve (6) to be far away from the material inlet and outlet (4); s3, pouring the sample out of the shell barrel (1) under the action of gravity and with vibration; s4, releasing external force, and completely attaching the shell ball valve (6) and the annular chamfer (9) in the second closing piece (3) under the action of the elastic resetting piece (7) to re-close the shell bin; and S5, conveying the cannonball bin through the pipeline for returning use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210396310.4A CN114834904A (en) | 2022-04-15 | 2022-04-15 | Shell for conveying ground materials and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210396310.4A CN114834904A (en) | 2022-04-15 | 2022-04-15 | Shell for conveying ground materials and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114834904A true CN114834904A (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210396310.4A Pending CN114834904A (en) | 2022-04-15 | 2022-04-15 | Shell for conveying ground materials and using method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN114834904A (en) |
Citations (6)
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| SU821350A1 (en) * | 1979-06-01 | 1981-04-15 | Научно-Производственное Объединение"Сибцветметавтоматика" | Tube mail cartridge |
| CA2355028A1 (en) * | 2001-08-14 | 2003-02-14 | Tony Fischer | Double hinged closure member for pneumatic tube carriers |
| CN101759028A (en) * | 2008-10-06 | 2010-06-30 | 北京银融科技有限责任公司 | Pneumatic pipeline transmission carrier and application method thereof |
| CN111204524A (en) * | 2020-03-25 | 2020-05-29 | 大连新创嘉合实业有限公司 | Shell-shaped sample storage device |
| CN214610303U (en) * | 2021-02-08 | 2021-11-05 | 上海智质科技有限公司 | Sample tank for material conveying |
| CN216189253U (en) * | 2021-11-08 | 2022-04-05 | 银川东方气力运输设备有限公司 | Wheel type container for pipeline transportation and material conveying system |
-
2022
- 2022-04-15 CN CN202210396310.4A patent/CN114834904A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU821350A1 (en) * | 1979-06-01 | 1981-04-15 | Научно-Производственное Объединение"Сибцветметавтоматика" | Tube mail cartridge |
| CA2355028A1 (en) * | 2001-08-14 | 2003-02-14 | Tony Fischer | Double hinged closure member for pneumatic tube carriers |
| CN101759028A (en) * | 2008-10-06 | 2010-06-30 | 北京银融科技有限责任公司 | Pneumatic pipeline transmission carrier and application method thereof |
| CN103287853A (en) * | 2008-10-06 | 2013-09-11 | 北京银融科技有限责任公司 | Pneumatic pipeline transportation carrier and use method thereof |
| CN111204524A (en) * | 2020-03-25 | 2020-05-29 | 大连新创嘉合实业有限公司 | Shell-shaped sample storage device |
| CN214610303U (en) * | 2021-02-08 | 2021-11-05 | 上海智质科技有限公司 | Sample tank for material conveying |
| CN216189253U (en) * | 2021-11-08 | 2022-04-05 | 银川东方气力运输设备有限公司 | Wheel type container for pipeline transportation and material conveying system |
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Application publication date: 20220802 |
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