CN108001716B - Quick connection device for canning easily-oxidized, combustible and explosive powder and use method - Google Patents
Quick connection device for canning easily-oxidized, combustible and explosive powder and use method Download PDFInfo
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- CN108001716B CN108001716B CN201711279892.3A CN201711279892A CN108001716B CN 108001716 B CN108001716 B CN 108001716B CN 201711279892 A CN201711279892 A CN 201711279892A CN 108001716 B CN108001716 B CN 108001716B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/16—Methods of, or means for, filling the material into the containers or receptacles by pneumatic means, e.g. by suction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/005—Safety-devices
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Abstract
A quick connection device for canning an easily oxidized, flammable and explosive powder and a use method thereof belong to the technical field of quick connection pipelines for canning the powder. The method comprises the following steps: the device comprises a closed storage bin (1), a quick connection bayonet, a closed storage tank (2) and a quick connection pipeline; the quick-connection pipeline comprises a quick-connection joint, an elastic hose (9) and a ventilation valve; a first quick-connection bayonet (7) is welded at the bottom of the closed storage bin (1), a second quick-connection bayonet (8) is welded at the top of the closed storage tank (2), and the two quick-connection bayonets are connected through a quick-connection pipeline; one end of the quick connection pipeline is provided with a first quick connection joint (3), a first quick connection joint (3) is drilled, and a first vent valve (4) is welded; the middle section of the quick connection pipeline is an elastic hose (9), the other end of the quick connection pipeline is a second quick connection joint (5), and the second quick connection joint (5) is drilled and welded with a second vent valve (6). The method has the advantages of realizing the quick canning and sealing transportation of the easily oxidized, flammable and combustible dangerous powder in air between closed containers.
Description
Technical Field
The invention belongs to the technical field of quick-connection pipelines for powder canning, and particularly relates to a quick-connection device for easily-oxidized, flammable and explosive powder canning and a using method thereof.
Background
The pure metal bismuth powder is an alloy element of free-cutting steel, has a very low boiling point, is easy to oxidize in air, needs to be stored in a sealed way, and needs to be unsealed for immediate use during alloying.
The pulverized coal is a fuel or a reducing agent widely used in enterprises such as steel, power plants, kinetic energy plants and the like, and according to the national standard requirements, the pulverized coal is required to be isolated from air in the processing process and pipeline transportation so as to avoid spontaneous combustion and explosion of the cloud-shaped pulverized coal, and when the pulverized coal needs to be canned from a closed storage bin to another storage bin, the contact between powder and air is easy to cause danger.
The powder which is easily oxidized, inflammable and explosive when meeting air has the possible danger of contacting air in industrial application and the canning process between closed storage bins.
Chinese patent "a powder pipeline connecting device" (application number 201220125161.X) discloses powder pipeline connecting device, and this utility model discloses a cloth section of thick bamboo and upper and lower taper pipe, the cloth section of thick bamboo has the intermediate layer, and rings are equipped with to the intermediate layer bottom, and the intermediate layer middle part is fixed with the ring, it is the same with lower taper pipe shape to go up the taper pipe, is hollow round platform, and the big terminal surface of round platform is the rigid coupling respectively has big flange and little flange, and the big terminal surface of upper and lower taper pipe is connected through big flange, the little flange cover of going up the taper pipe is in the ring below of cloth section of thick bamboo, the external diameter of ring and rings is greater than the internal diameter of little flange. The utility model discloses simple structure, pipeline inner wall are long-pending not to expect, and there is not the mutual friction of metal in the pipeline inner wall, are applicable to high low level pipeline and have relative movement's easy oxidation easily fires explosive powder pipeline and connect. This patent connecting device does not possess quick installation function by two pipelines of flange joint.
Chinese patent "pulverized coal pneumatic conveying nitrogen gas cyclic utilization system" (application number 201620294163.X) discloses a system for compressing and cyclically utilizing nitrogen gas at a tail end port by using an air compressor in a nitrogen gas conveying pipeline for pulverized coal, and the nitrogen gas cyclic utilization and recovery system saves energy consumption by 60% compared with the traditional nitrogen gas conveying system. The patent relates to the transport of pulverized coal by inert gas, but does not show the content of transferring and storing powder between two closed containers.
Disclosure of Invention
The invention aims to provide a quick-connection pipeline structure for canning easily-oxidized, flammable and explosive powder and a using method thereof, which solve the problem that the coal powder, magnesium powder, aluminum powder and the like are easy to oxidize, burn and explode when meeting air/oxygen; the operation rate is improved and the danger is reduced.
The quick connecting device for canning the easily oxidized, flammable and combustible powder is used for canning the easily oxidized, flammable and combustible powder from the closed storage bin 1 to the closed storage tank 2.
The quick-connect device of the present invention (see fig. 1) comprises: the device comprises a closed storage bin 1, a quick connection bayonet, a closed storage tank 2 and a quick connection pipeline; the quick-connection pipeline comprises a quick-connection joint, an elastic hose 9 and a ventilation valve.
The bottom of the sealed storage bin 1 is welded with a first quick-connection bayonet 7, the top of the sealed storage tank 2 is welded with a second quick-connection bayonet 8, and the two quick-connection bayonets are connected through a quick-connection pipeline. One end of the quick connection pipeline is provided with a first quick connection joint 3, a first quick connection joint 3 is drilled with holes, and a first vent valve 4 is welded; the middle section of the quick connection pipeline is an elastic hose 9, the other end of the quick connection pipeline is a second quick connection joint 5, and the second quick connection joint 5 is drilled with a hole and welded with a second vent valve 6.
The first quick-connection joint 3 and the second quick-connection joint 5 (see fig. 2) are respectively composed of an arc-shaped sealing convex surface 10, an external thread 11, a fastening clamping strip 12 and a pipe wall 13. Wherein the arc-shaped sealing convex surface 10, the external thread 11 and the pipe wall 13 are processed on the same round steel bar, and the fastening clamping strip 12 is welded on the outer wall of the round steel bar.
The fastening clamping strips 12 (see fig. 3, two symmetrically distributed) are composed of clamping strips 14, shaft blocks 15 and springs 16. The shaft block 15 is welded on the quick connector, the clamping strip 14 is connected with the shaft block 15 through a shaft, the spring 16 is welded on the clamping strip 14, and the clamping strip 14 can rotate around the shaft block 15 and descend at one end of the spring 16 when pressed.
The first quick-connection bayonet 7 and the second quick-connection bayonet 8 (shown in figure 4) are respectively composed of an arc-shaped sealing concave surface 17, an internal thread 18, a fastening latch 19 and a pipe wall 13. The arc-shaped sealing concave surface 17, the internal thread 18 and the pipe wall 13 are formed by processing on the other same round steel bar, the internal thread 18 is matched with the external thread 11, and the fastening latch 19 is welded on the outer wall of the round steel bar after being processed by a steel sheet with the thickness of 5 mm-10 mm.
When the quick-connect joint is screwed up and connected with the quick-connect bayonet, the clamping strip 14 extends into the fastening clamping teeth 19, the clamping strip 14 is meshed and fastened on the fastening clamping teeth 19 one by one when the quick-connect joint is rotated, and the quick-connect joint has the function of connecting the quick-connect pipeline with the sealed storage bin 1 and the sealed storage tank 2 in a sealing manner when the rotation angle does not exceed 360 degrees. Radial extrusion force is provided through threads, the air tightness is guaranteed through the compression of an arc-shaped sealing surface (a middle cushion rubber gasket), and the firm connection and the non-falling-off are guaranteed through the fastening clamping strips 12 and the fastening clamping teeth 19.
The inert gas can be injected into the quick connection pipeline through the vent valve to exhaust air, so that the powder is protected from contacting with the air. The diameters of the elastic hose 9, the quick connector and the powder conveying pipeline of the quick connector are the same, so that the powder can flow smoothly.
And connecting the first quick-connection joint 3 of the quick-connection pipeline to a first quick-connection bayonet 7 of the closed storage bin 1, and connecting the second quick-connection joint 5 to a second quick-connection bayonet 8 of the closed storage tank 2. The first vent valve 4 is connected with an inert gas source, after the first vent valve 4 and the second vent valve 6 are opened to fill the quick-connection pipeline structure with inert gas, the first vent valve 4 and the second vent valve 6 are closed, and the safety of the quick canning process of the easily oxidized, combustible and explosive powder is ensured.
And opening powder valves of the closed storage bin 1 and the closed storage tank 2, and starting powder canning.
After canning is finished, the closed storage bin 1 is closed, the vibration quick-connection pipeline is knocked manually to reduce residual powder, then a powder valve of the closed storage tank 2 is closed, the first quick-connection joint 3 and the second quick-connection joint 5 at the two ends of the quick-connection pipeline are disassembled, and canning of the easily oxidized, combustible and explosive powder is finished.
The invention is technically characterized by being a quick-connection pipeline for canning inflammable and explosive powder which is easily oxidized and is easy to combust when meeting air from one sealed storage bin to another sealed storage bin and a using method thereof. The invention can realize the quick canning and sealing transportation of the flammable and combustible dangerous powder which is easy to oxidize when meeting air between the closed containers.
Drawings
FIG. 1 is a quick-connection pipeline structure for canning of easily oxidized, flammable and explosive powder and a quick-connection pipeline structure using the same. Wherein: the device comprises an airtight storage bin 1, a first quick-connection bayonet 7, a first quick-connection joint 3, a first vent valve 4, an elastic hose 9, a second vent valve 6, a second quick-connection joint 5, a second quick-connection bayonet 8 and an airtight storage tank 2
FIG. 2 is a schematic view of a quick-connect pipe structure for canning an easily-oxidized, flammable and explosive powder and a quick-connect joint using the same. Wherein, the arc sealing convex surface 10, the external thread 11, the fastening clamping strip 12, the pipe wall 13 and the vent valve 4
FIG. 3 is a schematic view of a quick-connect pipe structure for canning easily-oxidized, flammable and explosive powder and a fastening clamping strip of a quick-connect joint using the same. Wherein, the clamping strip 14, the shaft block 15 and the spring 16
FIG. 4 is a schematic diagram of a quick-connection pipe structure for canning an easily-oxidized, flammable and explosive powder and a quick-connection bayonet of a using method. Wherein, the arc sealing concave surface 17, the internal thread 18, the fastening latch 19 and the pipe wall 13
Detailed Description
The quick-connect device of the present invention (see fig. 1) comprises: the device comprises a closed storage bin 1, a quick connection bayonet, a closed storage tank 2 and a quick connection pipeline; the quick-connection pipeline comprises a quick-connection joint, an elastic hose 9 and a ventilation valve.
The bottom of the sealed storage bin 1 is welded with a first quick-connection bayonet 7, the top of the sealed storage tank 2 is welded with a second quick-connection bayonet 8, and the two quick-connection bayonets are connected through a quick-connection pipeline. One end of the quick connection pipeline is provided with a first quick connection joint 3, a first quick connection joint 3 is drilled with holes, and a first vent valve 4 is welded; the middle section of the quick connection pipeline is an elastic hose 9, the other end of the quick connection pipeline is a second quick connection joint 5, and the second quick connection joint 5 is drilled with a hole and welded with a second vent valve 6.
The present invention is further illustrated by the following examples.
In the quick-connection pipeline structure for canning the easily oxidized, flammable and explosive powder and the using method thereof, the coal powder storage bin 1 of the blast furnace coal injection system is used for carrying out coal powder canning and sealing transportation on the coal powder storage tank 2 of the electric furnace/converter coal injection system. The coal powder storage bin 1 is higher than the coal powder storage tank 2 in horizontal height, and the coal powder storage tank 2 is placed on a scale so as to weigh the weight.
Two quick-connect couplings 3 and the quick-connect coupling 5 of quick-connect pipeline, powder pipeline internal diameter 15cm, the interlude of quick-connect pipeline is rubber elasticity hose, quick-connect pipeline total length 3 m. The external threads of the quick connector 3 and the quick connector 5 are 4cm long, the radius of the arc-shaped sealing convex spherical surface is 12cm, the length of a fastening clamping strip is 5cm, the width is 1cm, and the height is 1cm (the total number is 2 in a symmetrical distribution). The vent valve 4 and the vent valve 6 are welded by manual ball valves, and the inner diameters of the vent valve and the vent valve are both 2 cm.
The pulverized coal storage bin 1 is welded with a quick-connection bayonet 7 (a powder valve is arranged between the pulverized coal storage bin 1 and the quick-connection bayonet), the pulverized coal storage tank 2 is welded with a quick-connection bayonet 8 (a powder valve is arranged between the pulverized coal storage tank 2 and the quick-connection bayonet), the quick-connection bayonet 7 and the quick-connection bayonet 8 are provided with internal threads with the length of 4cm, the spherical radius of an arc-shaped sealing concave surface is 12cm, and the height of a fastening latch is 2cm, the width is 1cm, and the tooth spacing is 1 cm.
When the quick connector 3 and the quick connector 5 are screwed and connected with the quick connector 7 of the pulverized coal storage bin 1 and the quick connector 8 of the pulverized coal storage tank 2 respectively, the two cambered surfaces can be tightly pressed by rotating 120 degrees (a rubber ring is arranged between the cambered surfaces), and the fastening clamping strips are firmly clamped between the fastening clamping teeth.
Connecting the vent valve 4 with dry nitrogen (industrial purity), opening the vent valve 4 and the vent valve 6, filling the quick-connection pipeline with inert gas (the gas filling time is more than or equal to 2min), and closing the vent valve 4 and the vent valve 6.
At the moment, the weight of the pulverized coal storage tank 2 on the platform scale is weighed (the weight value a is recorded), the pulverized coal storage bin 1 and the pulverized coal storage tank 2 are opened, and powder canning is started.
When the weight of the platform scale is increased to a certain value and the required powder weight is reached, the canning is finished. Firstly, the pulverized coal storage silo 1 is closed, the quick-connection pipeline is knocked and vibrated manually to reduce residual powder (the weight value b is recorded at the moment, the weight of the canned powder is the difference between the two values), then a powder valve of the pulverized coal storage tank 2 is closed, the quick-connection joints 3 and the quick-connection joints 5 at the two ends of the quick-connection pipeline are disassembled, and canning of the easily oxidized, combustible and explosive powder is completed.
Claims (3)
1. The utility model provides an easy oxidation is flammable and explosive powder canning and is used device that connects soon which characterized in that includes: the device comprises a closed storage bin (1), a quick connection bayonet, a closed storage tank (2) and a quick connection pipeline; the quick-connection pipeline comprises a quick-connection joint, an elastic hose (9) and a ventilation valve;
a first quick-connection bayonet (7) is welded at the bottom of the closed storage bin (1), a second quick-connection bayonet (8) is welded at the top of the closed storage tank (2), and the two quick-connection bayonets are connected through a quick-connection pipeline; one end of the quick connection pipeline is provided with a first quick connection joint (3), a first quick connection joint (3) is drilled, and a first vent valve (4) is welded; the middle section of the quick connection pipeline is an elastic hose (9), the other end of the quick connection pipeline is a second quick connection joint (5), and a second vent valve (6) is drilled and welded in the second quick connection joint (5);
the first quick-connection joint (3) and the second quick-connection joint (5) are respectively composed of an arc-shaped sealing convex surface (10), an external thread (11), a fastening clamping strip (12) and a pipe wall (13), the arc-shaped sealing convex surface (10), the external thread (11) and the pipe wall (13) are processed on the same round steel bar, and the fastening clamping strip (12) is welded on the outer wall of the round steel bar;
the first quick-connection bayonet (7) and the second quick-connection bayonet (8) are respectively composed of an arc-shaped sealing concave surface (17), an internal thread (18), a fastening latch (19) and a pipe wall (13); the arc-shaped sealing concave surface (17), the internal thread (18) and the pipe wall (13) are formed by processing the same round steel bar, the internal thread (18) is matched with the external thread (11), and the fastening latch (19) is welded on the outer wall of the round steel bar after being processed by a steel sheet with the thickness of 5 mm-10 mm;
the quick connector and the quick bayonet are connected and locked by a fastening clamping strip, and the fastening clamping strip (12) consists of a clamping strip (14), a shaft block (15) and a spring (16); the shaft block (15) is welded on the quick connector, the clamping strip (14) is connected with the shaft block (15) through a shaft, the spring (16) is welded on the clamping strip (14), and the clamping strip (14) rotates around the shaft block (15) and descends at one end of the spring (16) when pressed.
2. The quick-connection device for canning according to claim 1, wherein when the quick-connection joint is screwed with the quick-connection bayonet, the clamping strip (14) extends between the fastening clamping teeth (19), and when the quick-connection joint is rotated, the clamping strip (14) is engaged and fastened on the fastening clamping teeth (19) tooth by tooth, so that the quick-connection device has the function of hermetically connecting the quick-connection pipeline, the closed storage bin (1) and the closed storage tank (2); radial extrusion force is provided through the threads, the arc-shaped sealing concave surface and the arc-shaped sealing convex surface are compressed to ensure air tightness, and the fastening clamping strip (12) and the fastening clamping teeth (19) ensure firm connection and no falling;
injecting inert gas into the quick connection pipeline through a vent valve to exhaust air, so as to protect the powder from contacting with the air; the diameters of the elastic hose (9), the quick connector and the powder conveying pipeline of the quick connector are the same, so that the powder can flow smoothly.
3. A use method of the quick connecting device for canning the easily oxidized, combustible and explosive powder according to any one of claims 1 to 2, characterized by connecting the first quick connecting joint (3) of the quick connecting pipeline to the first quick connecting bayonet (7) of the closed storage bin (1) and connecting the second quick connecting joint (5) to the second quick connecting bayonet (8) of the closed storage bin (2); connecting the first vent valve (4) with an inert gas source, opening the first vent valve (4) and the second vent valve (6) to fill the quick-connection pipeline structure with inert gas, and then closing the first vent valve (4) and the second vent valve (6) to ensure the safety of the quick canning process of the easily-oxidized, combustible and explosive powder;
opening powder valves of the closed storage bin (1) and the closed storage tank (2) and starting powder canning;
after canning is finished, the closed storage bin (1) is closed, the vibration quick-connection pipeline is knocked manually to reduce residual powder, then a powder valve of the closed storage tank (2) is closed, the first quick-connection joint (3) and the second quick-connection joint (5) at the two ends of the quick-connection pipeline are disassembled, and canning of the easily oxidized, combustible and explosive powder is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711279892.3A CN108001716B (en) | 2017-12-06 | 2017-12-06 | Quick connection device for canning easily-oxidized, combustible and explosive powder and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711279892.3A CN108001716B (en) | 2017-12-06 | 2017-12-06 | Quick connection device for canning easily-oxidized, combustible and explosive powder and use method |
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| Publication Number | Publication Date |
|---|---|
| CN108001716A CN108001716A (en) | 2018-05-08 |
| CN108001716B true CN108001716B (en) | 2020-11-13 |
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| CN201711279892.3A Active CN108001716B (en) | 2017-12-06 | 2017-12-06 | Quick connection device for canning easily-oxidized, combustible and explosive powder and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111111542B (en) * | 2019-12-27 | 2021-12-28 | 宁波同兢自动化科技有限公司 | A material loading structure that is used for high-purity electronic grade chemistry blending device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2605449Y (en) * | 2002-02-09 | 2004-03-03 | 袁培林 | Quick-action joint |
| CN101813510B (en) * | 2010-04-06 | 2012-07-04 | 江西金力永磁科技有限公司 | Automatic weighing and dispensing system for preparing sintered neodymium-iron-boron powder |
| CN202195209U (en) * | 2011-07-29 | 2012-04-18 | 浙江永德信铜业有限公司 | Quick connection structure |
| CN103383029A (en) * | 2013-06-26 | 2013-11-06 | 洛阳凯诺知识产权咨询服务有限公司 | Fast pipeline connection device |
| NO20140155A1 (en) * | 2014-02-07 | 2015-08-10 | Kvik Con As | Pipe coupling device for ladder and lock pipes |
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