CN114459214A - Metal powder drying device and using method thereof - Google Patents
Metal powder drying device and using method thereof Download PDFInfo
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- CN114459214A CN114459214A CN202210131374.1A CN202210131374A CN114459214A CN 114459214 A CN114459214 A CN 114459214A CN 202210131374 A CN202210131374 A CN 202210131374A CN 114459214 A CN114459214 A CN 114459214A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/16—Drying solid materials or objects by processes not involving the application of heat by contact with sorbent bodies, e.g. absorbent mould; by admixture with sorbent materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
- F26B21/083—Humidity by using sorbent or hygroscopic materials, e.g. chemical substances, molecular sieves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
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- General Engineering & Computer Science (AREA)
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- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a metal powder drying device and a using method thereof, and discloses a drying device and a using method thereof, wherein the drying device can be used in a manner that a plurality of devices are matched and placed in a metal powder pile when metal powder is stirred and dried by the existing equipment, the metal powder in the metal powder pile is chemically dried by utilizing the water absorption effect of a drying agent bag, and meanwhile, the metal powder in the metal powder pile is physically dried by utilizing airflow dried by a drying agent. Can improve metal powder's drying rate, improve dry homogeneity simultaneously, its characterized in that includes the drying module and blows the subassembly, two the subassembly of blowing sets up respectively in the both sides of drying module, and is linked together with the drying module, the drying module can carry out chemical drying to the metal powder that is in metal powder heap inside, the air current that blows off of subassembly can carry out physical drying to the metal powder of inside after the drying of drying module.
Description
Technical Field
The invention discloses a metal powder drying device and a using method thereof, relates to a device for drying metal powder, and belongs to the technical field of metal powder preparation.
Background
The metal powder refers to a metal particle group with the size smaller than 1mm, the metal particle group comprises single metal powder, alloy powder and certain refractory compound powder with metal property, the metal powder is widely applied to the 3D printing technology, the gas atomization technology becomes a main method for producing metal and alloy powder because the gas atomization powder has the advantages of high sphericity, controllable powder particle size, low oxygen content, low production cost, adaptability to production of various metals and alloy powder and the like, the principle of the gas atomization technology is that gas flow is mainly utilized to spray liquid metal, molten metal liquid flow is crushed into liquid drops, the metal or alloy powder obtained after condensation is dried, and in order to ensure the dryness of the condensed metal powder, the drying treatment is usually needed.
The existing equipment for drying the metal powder generally puts the metal powder in a drying container, heats the drying container and utilizes a stirring device to stir the metal powder, so that the moisture is separated from the metal powder, and dries the metal powder, because the metal powder dried at one time is more in quantity and a large amount of metal powder is accumulated together, the metal powder in the drying container is difficult to contact with hot air flow, the moisture can be separated from the metal powder only after the metal powder is taken to the surface of a metal powder pile by the stirring device, the drying speed is slow, the required time is long, the production progress of the metal powder is slowed, and the waste of resources is easily caused, moreover, the stirring device can only take out part of the metal powder in the metal powder pile, and has certain randomness, and the metal powder is always in the powder pile in the drying process, uneven drying is easily caused, and the quality of the metal powder is affected.
Publication No. CN111536775A discloses a system and method for drying metal powder using negative pressure, comprising: a drying apparatus comprising: the metal powder drying apparatus includes a drying furnace to one side of which a raw material metal powder is input, and a heating chamber which is provided around an outer circumference of the drying furnace in a state of being spaced apart from the drying furnace and heats the drying furnace, a raw material input device which is connected to an upper portion of the drying furnace and inputs the raw material metal powder into the drying furnace, a stirring device which is installed in the drying furnace and stirs the raw material metal powder input into the drying furnace, and a driving device which is installed at an upper portion of the drying device and provides a speed for the stirring device, and the device dries the metal powder by heating and stirring the drying furnace, and if the number of the metal powder to be dried at one time is large, the drying speed is slow and uneven drying is likely to occur, thereby affecting the quality of the metal powder.
The publication number CN211177742U discloses a metal powder drying device in a powder metallurgy process, which comprises a device main body, wherein a driving motor is fixedly installed at the upper end of an installation frame, the output end of the driving motor is positioned in the device main body, connecting rods are fixedly installed at the two sides of the upper end and the lower end in the device main body, slide rail rings are fixedly installed at the inner positions of the opposite surfaces of the connecting rods, the two slide rail rings are symmetrically distributed in the device main body, heating blocks are fixedly installed at the inner positions of the upper end and the lower end in the device main body, a stirring drying cylinder is movably installed at the inner position in the device main body, the stirring drying cylinder is movably sleeved at the positions of the two slide rail rings, the device dries metal powder through the stirring drying cylinder, but under the condition that the quantity of the metal powder dried at one time is large, the drying speed is slower, the required time is longer, the production progress of dragging the metal powder is easy to cause resource waste, the condition of uneven drying is easy to occur, and the quality of the metal powder is influenced.
Disclosure of Invention
In order to improve the situation, the invention provides a metal powder drying device and a using method thereof, and provides the drying device and the using method thereof, wherein when the existing equipment is used for stirring and drying metal powder, a plurality of devices are matched and used in the metal powder pile, the metal powder in the metal powder pile is chemically dried by utilizing the water absorption effect of a drying agent bag, and the metal powder in the metal powder pile is physically dried by utilizing airflow dried by a drying agent. The drying speed of the metal powder can be improved, and the drying uniformity is improved.
The metal powder drying device of the invention is realized by the following steps: the invention relates to a metal powder drying device which comprises a drying component and a blowing component,
the device is characterized in that the two air blowing assemblies are respectively arranged at two sides of the drying assembly and are communicated with the drying assembly, the drying assembly can chemically dry the metal powder in the metal powder pile, the air flow blown out by the air blowing assemblies can physically dry the metal powder in the metal powder pile after being dried by the drying assembly,
the drying component consists of an outer drying sleeve, a drying hole, a side fixing plate, a blowing hole, an inner drying sleeve, a filter screen, a drying agent bag, a through hole and a clapboard, wherein the side fixing plate is correspondingly arranged at two ends of the outer drying sleeve,
preferably, the cross section of the outer drying jacket is a circular structure, the side fixing plate is a circular structure, the diameter of the side fixing plate is gradually reduced from one surface to the other surface, the diameter of one surface of the side fixing plate is equal to the outer diameter of the outer drying jacket,
preferably, the outer drying sleeve and the side fixing plate are detachable, the outer drying sleeve and the side fixing plate are sealed,
a plurality of groups of drying holes are arranged on the side wall of the outer drying sleeve along the circumferential direction at equal intervals, one group of drying holes consists of at least three drying holes, at least three drying holes in one group are distributed along the axial direction of the outer drying sleeve at equal intervals,
preferably, the drying hole is divided into three parts, namely a first straight hole, a second straight hole and an inclined hole, one end of the first straight hole is flush with the outer wall of the outer drying sleeve, the other end of the first straight hole is communicated with one end of the inclined hole, the other end of the inclined hole is communicated with one end of the second straight hole, the other end of the second straight hole is flush with the inner wall of the outer drying sleeve,
preferably, the included angle between the first straight hole and the inclined hole is 30-60 degrees, the included angle between the second straight hole and the inclined hole is 30-60 degrees, the first straight hole is perpendicular to the central line of the outer drying sleeve, the second straight hole is perpendicular to the central line of the outer drying sleeve,
preferably, the inner diameter of the first straight hole gradually increases from one end to the other end,
preferably, the inner diameter of the second straight hole gradually increases from one end to the other end,
a detachable filter screen is arranged on the inner wall of the outer drying sleeve,
preferably, the filter screen is sequentially provided with a non-woven fabric layer and a screen layer from inside to outside,
the inner drying sleeve is positioned in the outer drying sleeve, two ends of the inner drying sleeve are respectively and correspondingly connected with the side fixing plates at two ends of the outer drying sleeve,
preferably, the inner drying sleeve and the side fixing plate are detachable,
preferably, the central line of the inner drying sleeve and the central line of the outer drying sleeve are coincided,
preferably, the inner diameter of the inner drying sleeve is gradually increased from the middle to the two ends,
a plurality of groups of through holes are arranged on the side wall of the inner drying sleeve at equal intervals along the circumferential direction,
preferably, the included angle between the through hole and the central line of the inner drying sleeve is 90 degrees,
the side fixing plate is provided with a blowhole corresponding to the inner drying sleeve, four partition boards are arranged between the inner drying sleeve and the outer drying sleeve at equal angles,
preferably, the clapboard is provided with a drying hole,
a drying cavity is formed among the inner drying sleeve, the outer drying sleeve and the partition plate, a drying agent bag is arranged in the drying cavity,
the blowing assembly consists of a side protective cover, a fan and a power supply,
one end of the side protective cover is connected with the side fixing plate, the inner wall of the other end of the side protective cover is provided with a fan, the fan corresponds to the air blowing hole,
preferably, the side protection cover is in a circular truncated cone structure,
preferably, the diameter of the other surface of the side fixing plate is equal to the outer diameter of one end of the side protective cover,
the power supply is arranged on the inner wall of the side protective cover, the fan is connected with the power supply through a power line,
the other end of the side protective cover is provided with an air inlet hole,
preferably, the air inlet holes are divided into three parts which are respectively a first air inlet hole, a second air inlet hole and an air inlet inclined hole, one end of the first air inlet hole is flush with the outer wall of the other end of the side protective cover, the other end of the first air inlet hole is communicated with one end of the air inlet inclined hole, the other end of the air inlet inclined hole is communicated with one end of the second air inlet hole, the other end of the second air inlet hole is flush with the inner wall of the other end of the side protective cover,
preferably, the included angle between the first air inlet hole and the air inlet inclined hole is 30-60 degrees, the included angle between the second air inlet hole and the air inlet inclined hole is 30-60 degrees, the first air inlet hole is parallel to the central line of the side shield, the second air inlet hole is parallel to the central line of the side shield,
a detachable air inlet filter screen is arranged on the outer wall of the other end of the side protective cover,
preferably, the air inlet filter screen is sequentially provided with a screen mesh layer and a non-woven fabric layer from inside to outside;
has the beneficial effects.
Firstly, the metal powder in the metal powder can be chemically and physically dried, and the drying speed and the drying uniformity of the metal powder are improved.
And secondly, the stirring drying device can be directly used for the existing stirring drying device, and has stronger practicability and wide application range.
And thirdly, the device can be repeatedly used, the utilization rate is high, and resources are saved.
Fourthly, the structure is simple, the convenience and the practicability are realized, and the popularization is easy.
Drawings
FIG. 1 is a perspective view of a metal powder drying apparatus according to the present invention;
FIG. 2 is a schematic front view of a metal powder drying apparatus according to the present invention;
fig. 3 is a schematic side view of a metal powder drying apparatus according to the present invention.
In the attached drawings
Wherein the method comprises the following steps: the drying device comprises an outer drying sleeve (1), a drying hole (2), a side fixing plate (3), a side protective cover (4), a blowing hole (5), an inner drying sleeve (6), a filter screen (7), a drying agent bag (8), a through hole (9), a fan (10), a power supply (11) and a partition board (12).
The specific implementation mode is as follows:
the metal powder drying device of the invention is realized by the following steps: comprises a drying component and a blowing component,
the device is characterized in that the two blowing assemblies are respectively arranged at two sides of the drying assembly and are communicated with the drying assembly, the drying assembly can chemically dry metal powder in the metal powder pile, the air flow blown out by the blowing assemblies can physically dry the metal powder in the metal powder pile after being dried by the drying assembly,
the drying component consists of an outer drying sleeve (1), a drying hole (2), a side fixing plate (3), a blowing hole (5), an inner drying sleeve (6), a filter screen (7), a drying agent bag (8), a through hole (9) and a partition plate (12), the side fixing plate (3) is correspondingly arranged at two ends of the outer drying sleeve (1),
preferably, the cross section of the outer drying jacket (1) is of a circular structure, the side fixing plate (3) is of a circular structure, the diameter of the side fixing plate (3) is gradually reduced from one surface to the other surface, the diameter of one surface of the side fixing plate (3) is equal to the outer diameter of the outer drying jacket (1),
preferably, the outer drying sleeve (1) and the side fixing plate (3) are detachable, the outer drying sleeve (1) and the side fixing plate (3) are sealed,
a plurality of groups of drying holes (2) are arranged on the side wall of the outer drying sleeve (1) at equal intervals along the circumferential direction, one group of drying holes (2) consists of at least three drying holes (2), at least three drying holes (2) in one group are distributed at equal intervals along the axial direction of the outer drying sleeve (1),
preferably, the drying hole (2) is divided into three parts, namely a first straight hole, a second straight hole and an inclined hole, wherein one end of the first straight hole is flush with the outer wall of the outer drying sleeve (1), the other end of the first straight hole is communicated with one end of the inclined hole, the other end of the inclined hole is communicated with one end of the second straight hole, the other end of the second straight hole is flush with the inner wall of the outer drying sleeve (1),
preferably, the included angle between the first straight hole and the inclined hole is 30-60 degrees, the included angle between the second straight hole and the inclined hole is 30-60 degrees, the first straight hole is perpendicular to the central line of the outer drying sleeve (1), the second straight hole is perpendicular to the central line of the outer drying sleeve (1),
preferably, the inner diameter of the first straight hole gradually increases from one end to the other end,
preferably, the inner diameter of the second straight hole gradually increases from one end to the other end,
a detachable filter screen (7) is arranged on the inner wall of the outer drying sleeve (1),
preferably, the filter screen (7) is sequentially provided with a non-woven fabric layer and a screen layer from inside to outside,
the inner drying sleeve (6) is positioned in the outer drying sleeve (1), two ends of the inner drying sleeve (6) are respectively and correspondingly connected with the side fixing plates (3) at two ends of the outer drying sleeve (1),
preferably, the inner drying sleeve (6) and the side fixing plate (3) are detachable,
preferably, the central line of the inner drying sleeve (6) is coincident with the central line of the outer drying sleeve (1),
preferably, the inner diameter of the inner drying sleeve (6) is gradually increased from the middle to the two ends,
a plurality of groups of through holes (9) are arranged on the side wall of the inner drying sleeve (6) along the circumferential direction at equal intervals,
preferably, the included angle between the through hole (9) and the central line of the inner drying sleeve (6) is 90 degrees,
the side fixing plate (3) is provided with a blowing hole (5) corresponding to the inner drying sleeve (6), four partition plates (12) are arranged between the inner drying sleeve (6) and the outer drying sleeve (1) at equal angles,
preferably, the clapboard (12) is provided with a drying hole (2),
a drying cavity is formed among the inner drying sleeve (6), the outer drying sleeve (1) and the partition board (12), a drying agent bag (8) is arranged in the drying cavity,
the blowing assembly consists of a lateral protective cover (4), a fan (10) and a power supply (11),
one end of the side protective cover (4) is connected with the side fixing plate (3), the inner wall of the other end of the side protective cover (4) is provided with a fan (10), the fan (10) corresponds to the air blowing hole (5),
preferably, the side protective cover (4) is in a circular truncated cone structure,
preferably, the diameter of the other surface of the side fixing plate (3) is equal to the outer diameter of one end of the side protective cover (4),
the power supply (11) is arranged on the inner wall of the side protective cover (4), the fan (10) is connected with the power supply (11) through a power supply (11) wire,
the other end of the side protective cover (4) is provided with an air inlet hole,
preferably, the air inlet holes are divided into three parts which are respectively a first air inlet hole, a second air inlet hole and an air inlet inclined hole, one end of the first air inlet hole is flush with the outer wall of the other end of the side protective cover (4), the other end of the first air inlet hole is communicated with one end of the air inlet inclined hole, the other end of the air inlet inclined hole is communicated with one end of the second air inlet hole, the other end of the second air inlet hole is flush with the inner wall of the other end of the side protective cover (4),
preferably, the included angle between the first air inlet hole and the air inlet inclined hole is 30-60 degrees, the included angle between the second air inlet hole and the air inlet inclined hole is 30-60 degrees, the first air inlet hole is parallel to the central line of the side protective cover (4), the second air inlet hole is parallel to the central line of the side protective cover (4),
a detachable air inlet filter screen (7) is arranged on the outer wall of the other end of the side protective cover (4),
preferably, the air inlet filter screen (7) is sequentially provided with a screen mesh layer and a non-woven fabric layer from inside to outside;
preferably, the outer drying sleeve (1) is made of ceramic materials, and a wear-resistant coating is plated on the surface of the outer drying sleeve;
the ceramic material is an inorganic non-metallic material prepared by forming and high-temperature sintering natural or synthetic compounds, has the advantages of high melting point, high hardness, high wear resistance, oxidation resistance and the like, can be used as a structural material and a cutter material, and can also be used as a functional material due to certain special properties of the ceramic;
preferably, the side protective cover (4) is made of ceramic materials, and the surface of the side protective cover is plated with a wear-resistant coating;
preferably, the side fixing plate (3) is made of a ceramic material;
the invention also relates to a using method of the metal powder drying device, which is characterized by comprising the following steps:
1) uniformly placing a plurality of metal powder drying devices inside a metal powder pile to be stirred and dried;
2) a desiccant bag (8) in the metal powder drying device absorbs moisture on the metal powder in the metal powder drying device through a drying hole (2) to carry out chemical drying on the metal powder;
3) in the process of stirring the metal powder, the fan (10) is started and stopped intermittently, air blown out by the fan (10) enters the inner drying sleeve (6) through the air blowing hole (5) and flows into the drying cavity through the through hole (9), a drying air flow is formed after drying of the drying agent bag (8), and the drying air flow flows out through the drying hole (2) and then physically dries the metal powder;
4) after drying, taking out the metal powder drying device from the metal powder pile, detaching the side fixing plate (3) and taking out the used drying agent;
5) putting a new drying agent into the metal powder drying device, installing a side fixing plate (3), repeating the steps 1) -4), and drying the next batch of metal powder;
the diameter of the side fixing plate (3) is gradually reduced from one surface to the other surface, the diameter of one surface of the side fixing plate (3) is equal to the outer diameter of the outer drying sleeve (1), and the diameter of the other surface of the side fixing plate (3) is equal to the outer diameter of one end of the side protective cover (4), so that the outer surface of the metal powder drying device can be smooth, and the running resistance is reduced when the metal powder is dried along with the metal powder stirring process, and the metal powder is conveniently dried;
the included angle between the first straight hole and the inclined hole is 30-60 degrees, and the included angle between the second straight hole and the inclined hole is 30-60 degrees, so that the metal powder entering the first straight hole can be prevented from entering the second straight hole through the inclined hole in the process of drying the metal powder, and the metal powder drying device can throw the metal powder in the first straight hole out along with the stirring of the metal powder;
the design that the inner diameter of the first straight hole is gradually increased from one end to the other end can accelerate the flow velocity of the drying air flow entering the first straight hole, so that the metal powder can be conveniently pushed out while the drying air flow is blown out to dry the metal powder, and the metal powder is prevented from being blocked by the first straight hole to influence the drying of the metal powder;
the inner diameter of the second straight hole is gradually increased from one end to the other end, so that air flow dried by the desiccant bag (8) can conveniently enter the second straight hole and flow out through the inclined hole and the first straight hole to physically dry the metal powder;
the inner diameter of the inner drying sleeve (6) is gradually increased from the middle to two ends, so that air blown out from the fans (10) in the two side protective covers (4) is converged in the middle of the inner drying sleeve (6) and then flows towards two sides, through holes (9) distributed at equal intervals are matched to uniformly blow out airflow, the contact area between the airflow and the drying agent bag (8) is increased, and the drying effect of the drying agent bag (8) on the airflow is improved;
the included angle between the through hole (9) and the central line of the inner drying sleeve (6) is 90 degrees, so that the air flow in the inner drying sleeve (6) can be vertically blown to the drying agent bag (8), the condition that the air flow flows out from the side edge of the drying agent bag (8) and cannot be dried is avoided, and the drying effect is improved;
reach and to use in the cooperation of a plurality of devices when current equipment stirs the drying to metal powder and place inside the metal powder heap, utilize the water absorption of drier bag (8), carry out chemical drying to inside metal powder, utilize the air current after the drier drying to carry out the purpose of physical drying to inside metal powder simultaneously.
The above embodiments are preferred embodiments of the present invention, and the applicant does not add other embodiments for the sake of brevity, but this is not intended to limit the scope of the practice of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
It should be further noted that, while the above specific embodiments are described for simplicity and clarity, only the differences from other embodiments are described, but those skilled in the art should understand that the above specific embodiments are independent technical solutions.
Claims (10)
1. The utility model provides a metal powder drying device, includes drying assembly and the subassembly of blowing, its characterized in that, two the subassembly of blowing sets up respectively in drying assembly's both sides, and is linked together with drying assembly, drying assembly can pile inside metal powder to being in metal powder and carry out chemical drying, the air current that the subassembly of blowing blew off can carry out physical drying to inside metal powder after drying assembly is dry.
2. The metal powder drying device according to claim 1, wherein the drying assembly comprises an outer drying sleeve, drying holes, side fixing plates, blowing holes, an inner drying sleeve, a filter screen, a drying agent bag, through holes and a partition plate, wherein the side fixing plates are correspondingly arranged at two ends of the outer drying sleeve, a plurality of groups of drying holes are equidistantly formed in the side wall of the outer drying sleeve along the circumferential direction, one group of drying holes comprises at least three drying holes, at least three drying holes in the group are equidistantly distributed along the axial direction of the outer drying sleeve, the drying holes are divided into three parts which are respectively a first straight hole, a second straight hole and an inclined hole, one end of the first straight hole is flush with the outer wall of the outer drying sleeve, the other end of the first straight hole is communicated with one end of the inclined hole, the other end of the second straight hole is flush with the inner wall of the outer drying sleeve, the inner drying sleeve is located in the outer drying sleeve, the both ends of interior dry cover correspond with the side fixed plate at outer dry cover both ends respectively and are connected, and it has the multiunit through-hole to open along circumference equidistance on the interior dry cover lateral wall, contained angle between through-hole and the interior dry cover central line is 90 degrees, and it has the blowhole to open corresponding interior dry cover position on the side fixed plate, and four baffles have been put to angle such as between interior dry cover and the outer dry cover, it has the drying hole to open on the baffle, interior dry cover, outer dry cover and baffle between form dry chamber, the dry intracavity is arranged in to the drier bag.
3. The metal powder drying device according to claim 1, wherein the blowing assembly comprises a side shield, a fan and a power supply, one end of the side shield is connected to the side fixing plate, the fan is disposed on the inner wall of the other end of the side shield, the fan corresponds to the blowing holes, the side shield has a circular truncated cone structure, the diameter of the other side of the side fixing plate is equal to the outer diameter of one end of the side shield, the power supply is disposed on the inner wall of the side shield, the fan is connected to the power supply through a power line, the other end of the side shield is provided with air inlet holes, the air inlet holes are divided into three parts, namely a first air inlet hole, a second air inlet hole and an air inlet inclined hole, one end of the first air inlet hole is flush with the outer wall of the other end of the side shield, the other end of the first air inlet hole is communicated with one end of the air inlet inclined hole, and the other end of the second air inlet hole is communicated with one end of the second air inlet hole, the other end of the second air inlet hole is flush with the inner wall of the other end of the side protective cover.
4. The metal powder drying device according to claim 2, wherein the outer drying sleeve is detachable from the side fixing plate, the inner drying sleeve is detachable from the side fixing plate, a detachable filter screen is disposed on the inner wall of the outer drying sleeve, and the filter screen sequentially comprises a non-woven fabric layer and a screen layer from inside to outside.
5. A metal powder drying apparatus according to claim 2, wherein the angle between said first straight hole and said inclined hole is between 30 degrees and 60 degrees, and the angle between said second straight hole and said inclined hole is between 30 degrees and 60 degrees.
6. A metal powder drying apparatus according to claim 2, wherein said first straight bore inner diameter is gradually increased from one end to the other end, and said second straight bore inner diameter is gradually increased from one end to the other end.
7. The metal powder drying apparatus according to claim 2, wherein the outer drying jacket has a circular cross-section, the side fixing plate has a circular structure, the diameter of the side fixing plate is gradually reduced from one surface to the other surface, and the diameter of the one surface of the side fixing plate is equal to the outer diameter of the outer drying jacket.
8. The metal powder drying apparatus as claimed in claim 3, wherein the angle between the first air inlet hole and the inclined air inlet hole is in the range of 30 to 60 degrees, and the angle between the second air inlet hole and the inclined air inlet hole is in the range of 30 to 60 degrees.
9. The metal powder drying device according to claim 3, wherein a detachable air intake filter screen is arranged on the outer wall of the other end of the side protective cover, and the air intake filter screen is sequentially provided with a screen mesh layer and a non-woven fabric layer from inside to outside.
10. The use method of the metal powder drying device is characterized by comprising the following steps:
1) uniformly placing a plurality of metal powder drying devices inside a metal powder pile to be stirred and dried;
2) a drying agent bag in the metal powder drying device absorbs moisture on the metal powder in the drying device through the drying holes to chemically dry the metal powder;
3) in the process of stirring the metal powder, the fan is started and stopped intermittently, air blown out by the fan enters the inner drying sleeve through the air blowing hole and flows into the drying cavity through the through hole, a drying air flow is formed after the drying of the drying agent bag, and the metal powder is physically dried after the drying air flow flows out through the drying hole;
4) after drying is finished, taking out the metal powder drying device from the metal powder pile, detaching the side fixing plate and taking out the used drying agent;
5) and (3) putting a new drying agent into the metal powder drying device, installing a side fixing plate, and repeating the steps 1) -4) to dry the next batch of metal powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210131374.1A CN114459214B (en) | 2022-02-14 | 2022-02-14 | Metal powder drying device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210131374.1A CN114459214B (en) | 2022-02-14 | 2022-02-14 | Metal powder drying device and use method thereof |
Publications (2)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115574563A (en) * | 2022-10-13 | 2023-01-06 | 江苏威拉里新材料科技有限公司 | Metal powder rotary drying device and using method thereof |
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| CN213273497U (en) * | 2020-09-08 | 2021-05-25 | 江苏申隆锌业有限公司 | A dry storehouse for zinc powder is stored |
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| CN204718324U (en) * | 2015-05-28 | 2015-10-21 | 江苏大方金属粉末有限公司 | A kind of copper powder drying unit |
| CN210695032U (en) * | 2019-10-23 | 2020-06-09 | 林香玉 | Storage device for agricultural seed that drying effect is good |
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