CN213135048U - Drying furnace for metal powder granulation - Google Patents
Drying furnace for metal powder granulation Download PDFInfo
- Publication number
- CN213135048U CN213135048U CN202021627888.9U CN202021627888U CN213135048U CN 213135048 U CN213135048 U CN 213135048U CN 202021627888 U CN202021627888 U CN 202021627888U CN 213135048 U CN213135048 U CN 213135048U
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- drying furnace
- metal powder
- heating chamber
- roller
- drying
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- 238000001035 drying Methods 0.000 title claims abstract description 123
- 239000002184 metal Substances 0.000 title claims abstract description 58
- 239000000843 powder Substances 0.000 title claims abstract description 56
- 238000005469 granulation Methods 0.000 title claims abstract description 9
- 230000003179 granulation Effects 0.000 title claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 54
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 11
- 238000010981 drying operation Methods 0.000 abstract description 8
- 238000012216 screening Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005453 pelletization Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of drying furnaces, and discloses a drying furnace for metal powder granulation, which comprises a drying furnace, a heating chamber is arranged on one side of the drying furnace, a controller is arranged on the outer side wall of the drying furnace close to the heating chamber, the gas outlet pipe is arranged at one side of the heating chamber close to the drying furnace, the centrifugal fan is fixedly arranged at one side of the drying furnace close to the heating chamber, the utility model firstly carries out primary crushing operation to the metal powder by driving the gear roller by the first roller shaft, and then drives the grinding roller by the second roller shaft to carry out secondary crushing operation to the metal powder, the crushing operation of the metal powder before the drying operation can be realized, and the metal powder with larger size remained on the first screen can be sucked by a pump in the crushing process, the metal powder is conveyed into the feed inlet through the guide pipe to be subjected to secondary crushing operation, so that the processes of pre-crushing and screening the metal powder by the device can be realized.
Description
Technical Field
The utility model belongs to the technical field of the drying furnace, concretely relates to drying furnace for metal powder pelletization.
Background
The metal powder refers to a group of metal particles having a size of less than 1 mm. The powder metallurgy material comprises single metal powder, alloy powder and certain refractory compound powder with metal property, and is a main raw material of powder metallurgy, wherein the metal simple substance is generally silvery white, and when the metal is in a certain condition, the metal is black powder, and most of the metal powder is black.
The existing drying furnace mostly adopts a hot air type drying furnace or a drying type drying furnace to dry metal powder, and lacks the procedures of pre-crushing and screening the metal powder, so that the operation of the whole procedure is unqualified due to the unqualified specification of the metal powder after the operation of the drying furnace, and rework or repeated processing is needed, thereby reducing the working efficiency of the device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drying furnace for metal powder pelletization to solve current drying furnace and lack the process of smashing in advance and screening to metal powder and lead to the problem that the processing product is not up to standard.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drying furnace for metal powder pelletization, includes the drying furnace, one side of drying furnace is equipped with the heating chamber, the drying furnace is close to the lateral wall of heating chamber and installs the controller, the outlet duct is installed to one side that the heating chamber is close to the drying furnace, one side fixed mounting that the drying furnace is close to the heating chamber has centrifugal fan, the one end that the heating chamber was kept away from to the centrifugal fan is kept away from to the one end of drying furnace and outlet duct one end fixed connection, the drying cabinet is installed to the inner diapire of drying furnace, the internally mounted of drying cabinet has the heating pipe, heating pipe and controller electric.
Preferably, the pan feeding mouth is installed to the outer top wall of drying furnace, the inside from the top down of drying furnace is equipped with first roller and second roller in proper order, the motor is installed to the inside wall of drying furnace, one of them the output and the first roller of motor are connected, another the output and the second roller of motor are connected, the one end that the motor was kept away from to first roller and second roller all with the inside wall swing joint of drying furnace, the circumference department cover of first roller is equipped with the gear roller, the circumference department cover of second roller is equipped with the grinding roller.
Preferably, the inside of drying furnace is located the below of second roller and is equipped with first screen cloth, the both ends of first screen cloth are all installed on the inside wall of drying furnace, the below of first screen cloth is equipped with the second screen cloth, the inside wall at drying furnace is all installed at the both ends of second screen cloth, centrifugal fan's the one end of stretching into the drying furnace installs gas transmission cylinder, gas transmission cylinder is located between first screen cloth and the second screen cloth.
Preferably, one side that the heating chamber was kept away from to the drying furnace is equipped with the pipe, the inside that the lateral wall that the drying furnace was passed to the one end of pipe extended to the drying furnace, the other end of pipe passes the inside that the lateral wall of pan feeding mouth extended to the pan feeding mouth, the top of first screen cloth is equipped with inhales the material mouth, inhale the one side that the material mouth kept away from first screen cloth and the one end fixed connection that the pipe extended to the pan feeding mouth, the drying furnace is close to the lateral wall of pipe and installs the pump machine, the output of pump machine passes the circumference wall of pipe and extends to the inside of pipe.
Preferably, a gas stove is installed on the inner bottom wall of the heating chamber, a feed inlet is formed in one side, away from the drying furnace, of the heating chamber, and the feed inlet penetrates through the outer side wall of the heating chamber and extends to the inside of the heating chamber.
Preferably, the lateral wall welding of drying furnace has the hinge, the drying furnace is kept away from the lateral wall of heating chamber and is installed logical door, the expansion end and the logical door fixed connection of hinge, logical groove has been seted up to one side of logical door, one side that the drying furnace was kept away from to the logical door is equipped with fastening bolt, fastening bolt and logical groove swing joint.
Compared with the prior art, the utility model, following beneficial effect has:
(1) the utility model discloses a first roller drives the gear roller and carries out the primary crushing operation to metal powder earlier, then drive the grinding roller by the second roller and carry out the regrinding operation to metal powder again, can realize the crushing operation of metal powder before dry operation, and absorb the great metal powder of remaining size on the first screen cloth at crushing in-process accessible pump machine, carry out the regrinding operation in carrying the pan feeding mouth via the pipe, can realize that the device carries out the process of pre-crushing and screening to metal powder, it is unqualified to have solved the metal powder specification and has caused whole procedure operation up to standard, need rework or reprocess's problem.
(2) The utility model discloses an aspect is through the feed inlet to the inside combustible gas that pours into of heating chamber, then turn into the chemical energy of fuel into heat energy under the combustion of gas-cooker, pass through centrifugal fan with hot-blast form again and carry inside the drying furnace, and then carry out preliminary drying operation to the inside metal powder of drying furnace, on the other hand is through controlling controller control heating pipe operation, can carry out secondary drying operation to the metal dust of gathering in the drying cabinet inside, thereby it is unqualified to solve the incomplete product that leads to of drying, the quality of product has been promoted.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the first roller of the present invention;
fig. 3 is a top view of the second roll shaft of the present invention;
FIG. 4 is a side view of the through door of the present invention;
fig. 5 is a top view of the drying box of the present invention;
in the figure: 1. a drying furnace; 2. a first screen; 3. a second screen; 4. a drying oven; 5. passing through the door; 6. fastening a bolt; 7. a through groove; 8. a material sucking port; 9. a conduit; 10. a pump machine; 11. a feeding port; 12. a first roller shaft; 13. a second roller shaft; 14. rolling; 15. a gear roll; 16. a motor; 17. a centrifugal fan; 18. an air outlet pipe; 19. an air delivery cylinder; 20. a controller; 21. a gas range; 22. heating a tube; 23. a feed inlet; 24. a hinge; 25. a heating chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a drying furnace for metal powder pelletization, includes drying furnace 1, and one side of drying furnace 1 is equipped with heating chamber 25, and drying furnace 1 is close to the lateral wall of heating chamber 25 and installs controller 20, and heating chamber 25 is close to one side of drying furnace 1 and installs outlet duct 18, and one side fixed mounting that drying furnace 1 is close to heating chamber 25 has centrifugal fan 17, and centrifugal fan 17 adopts the high pressure centrifuge that the model is 4#, and the centrifugal fan amount of wind is 824m3The dry oven is characterized by comprising a centrifugal machine, wherein the air pressure of the centrifugal machine is 3110Pa, one end of the centrifugal fan 17 far away from the drying oven 1 and one end of the air outlet pipe 18 far away from the heating chamber 25 are fixedly connected, the drying oven 4 is installed on the inner bottom wall of the drying oven 1, the heating pipe 22 is installed inside the drying oven 4, the heating pipe 22 is electrically connected with the controller 20, hot air inside the heating chamber 25 is pumped to the drying oven 1 through the centrifugal fan 17, preliminary drying operation can be carried out on metal powder inside the drying oven 1, then secondary drying operation can be carried out on the metal powder accumulated inside the drying oven 4 through controlling the heating pipe 22 by the driving controller 20, and the problem that products are unqualified in the production process due to insufficient drying of the.
Further, a feeding port 11 is arranged on the outer top wall of the drying furnace 1, a first roller shaft 12 and a second roller shaft 13 are sequentially arranged in the drying furnace 1 from top to bottom, a motor 16 is arranged on the inner side wall of the drying furnace 1, the motor 16 is a three-phase asynchronous motor with the model of Y80M1-2, the power of the motor is 0.75Kw, the rotating speed is 2830r/min, the output end of one motor 16 is connected with the first roll shaft 12, the output end of the other motor 16 is connected with the second roll shaft 13, the ends, far away from the motor 16, of the first roll shaft 12 and the second roll shaft 13 are both movably connected with the inner side wall of the drying furnace 1, a gear roll 15 is sleeved at the circumference of the first roll shaft 12, a grinding roll 14 is sleeved at the circumference of the second roll shaft 13, the first roll shaft 12 and the second roll shaft 13 are driven to rotate through the driving motor 16, the gear roll 15 may perform a primary pulverizing operation on the metal powder and then perform a secondary pulverizing operation on the metal powder by the grinding roll 14.
Further, the inside of the drying furnace 1 is provided with the first screen 2 below the second roller 13, both ends of the first screen 2 are mounted on the inner side wall of the drying furnace 1, the second screen 3 is arranged below the first screen 2, both ends of the second screen 3 are mounted on the inner side wall of the drying furnace 1, the screening aperture of the second screen 3 is smaller than that of the first screen 2, one end of the centrifugal fan 17 extending into the drying furnace 1 is provided with the gas transmission cylinder 19, the gas transmission cylinder 19 is arranged between the first screen 2 and the second screen 3, hot gas in the centrifugal fan 17 is pumped to the space between the first screen 2 and the second screen 3 through the gas transmission cylinder 19, and the working efficiency of the hot gas on the metal powder can be improved.
Furthermore, a guide pipe 9 is arranged on one side of the drying furnace 1 far away from the heating chamber 25, one end of the guide pipe 9 penetrates through the side wall of the drying furnace 1 and extends into the drying furnace 1, the other end of the guide pipe 9 penetrates through the side wall of the feeding port 11 and extends into the feeding port 11, a suction port 8 is arranged above the first screen 2, one side of the suction port 8 far away from the first screen 2 is fixedly connected with one end of the guide pipe 9 extending to the feeding port 11, a pump 10 is arranged on the outer side wall of the drying furnace 1 close to the guide pipe 9, the pump 10 is a common pipeline pump with the model number of 20SG3-14, the flow rate of the pump is 3m3The rated power is 0.25Kw, the rated voltage is 220V, the output end of the pump 10 penetrates through the circumferential wall of the guide pipe 9 and extends into the guide pipe 9, the metal powder with larger size remained on the first screen 2 is sucked by the pump 10 and is conveyed to the feed inlet through the guide pipe 9 for secondary crushing operation, and the crushing efficiency of the metal powder can be improved.
Specifically, the gas burner 21 is installed on the inner bottom wall of the heating chamber 25, the side of the heating chamber 25 away from the drying oven 1 is provided with the feed inlet 23, the feed inlet 23 extends to the inside of the heating chamber 25 through the outer side wall of the heating chamber 25, and the hot gas required by the drying operation can be obtained by continuously conveying the combustible gas from the feed inlet 23 to the inside of the heating chamber 25 and then through the combustion action of the gas burner 21.
It is worth explaining, hinge 24 has been welded to the lateral wall of drying furnace 1, drying furnace 1 keeps away from the lateral wall of heating chamber 25 and installs logical door 5, hinge 24's expansion end and logical door 5 fixed connection, logical groove 7 has been seted up to one side of logical door 5, one side that drying furnace 1 was kept away from to logical door 5 is equipped with fastening bolt 6, fastening bolt 6 and logical groove 7 swing joint, swing joint through fastening bolt 6 and between logical groove 7 can realize the switching operation of logical door 5 and drying furnace 1, conveniently take the inside metal powder of drying cabinet 4, or maintain and clean the operation to the inside equipment of drying furnace 1.
The utility model discloses a theory of operation and use flow: before the novel metal powder crusher is used, firstly, combustible gas is continuously conveyed from a feeding hole 23 to the inside of a heating chamber 25, hot gas is prepared in advance through the combustion operation of a gas stove 21, then, a centrifugal fan 17 is driven to work to continuously convey the hot gas to a drying furnace 1, after the centrifugal fan 17 continuously conveys the hot gas to the drying furnace 1 for a period of time, a driving controller 20 controls a heating pipe 22 to heat, meanwhile, a driving motor 16 drives a first roller shaft 12 and a second roller shaft 13 to rotate, the first roller shaft 12 can drive a gear roller 15 to firstly carry out primary crushing operation on metal powder, then, the second roller shaft 13 drives a grinding roller 14 to carry out secondary crushing operation on the metal powder, crushing operation of the metal powder before the drying operation can be realized, in the crushing process, the metal powder with larger size remained on a first screen 2 can be sucked through a driving pump machine 10, and is conveyed to a feeding hole 11 through a guide pipe 9, the device can crush and screen the metal powder, solves the problems that the specification of the metal powder does not reach the standard, the operation of the whole process is unqualified, and rework or repeated processing is needed, in the process, the metal powder with the standard size falls into the drying box 4 from the screening holes of the second screen 3 after secondary screening, and then secondary heating operation is carried out through the heating pipe 22 in the drying box 4, so that the problem that the product is unqualified due to incomplete drying of the metal powder can be solved, and the quality of the product is improved;
after the drying operation of metal powder is completed, if the operation of taking metal powder is to be realized, the opening and closing operation of the through door 5 and the drying oven 1 can be realized through the movable connection between the fastening bolt 6 and the through groove 7, the metal powder in the drying oven 4 can be conveniently taken, or the equipment in the drying oven 1 can be maintained and cleaned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A drying furnace for metal powder granulation comprises a drying furnace (1) and is characterized in that: one side of drying furnace (1) is equipped with heating chamber (25), controller (20) are installed to the lateral wall that drying furnace (1) is close to heating chamber (25), outlet duct (18) are installed to one side that heating chamber (25) are close to drying furnace (1), one side fixed mounting that drying furnace (1) is close to heating chamber (25) has centrifugal fan (17), the one end that drying furnace (1) were kept away from in centrifugal fan (17) and outlet duct (18) keep away from the one end fixed connection of heating chamber (25), drying cabinet (4) are installed to the inner diapire of drying furnace (1), the internally mounted of drying cabinet (4) has heating pipe (22), heating pipe (22) and controller (20) electric connection.
2. The drying furnace for metal powder granulation as claimed in claim 1, wherein: pan feeding mouth (11) are installed to the outer top wall of drying furnace (1), the inside from the top down of drying furnace (1) is equipped with first roller (12) and second roller (13) in proper order, motor (16) are installed to the inside wall of drying furnace (1), one of them the output and first roller (12) of motor (16) are connected, another the output and second roller (13) of motor (16) are connected, the one end that motor (16) were kept away from in first roller (12) and second roller (13) all with the inside wall swing joint of drying furnace (1), the circumference department cover of first roller (12) is equipped with gear roller (15), the circumference department cover of second roller (13) is equipped with grinding roller (14).
3. The drying furnace for metal powder granulation as claimed in claim 1, wherein: the inside of drying furnace (1) is located the below of second roller (13) and is equipped with first screen cloth (2), all install on the inside wall of drying furnace (1) at the both ends of first screen cloth (2), the below of first screen cloth (2) is equipped with second screen cloth (3), all install on the inside wall of drying furnace (1) at the both ends of second screen cloth (3), defeated air cylinder (19) are installed to the one end that stretches into drying furnace (1) of centrifugal fan (17), defeated air cylinder (19) are located between first screen cloth (2) and second screen cloth (3).
4. The drying furnace for metal powder granulation as claimed in claim 3, wherein: one side that heating chamber (25) were kept away from in drying furnace (1) is equipped with pipe (9), the one end of pipe (9) is passed the lateral wall of drying furnace (1) and is extended to the inside of drying furnace (1), the other end of pipe (9) passes the inside that the lateral wall of pan feeding mouth (11) extends to pan feeding mouth (11), the top of first screen cloth (2) is equipped with inhales material mouth (8), inhale one side that first screen cloth (2) were kept away from in material mouth (8) and pipe (9) and extend to the one end fixed connection of pan feeding mouth (11), drying furnace (1) is close to the lateral wall of pipe (9) and installs pump machine (10), the output of pump machine (10) passes the circumference wall of pipe (9) and extends to the inside of pipe (9).
5. The drying furnace for metal powder granulation as claimed in claim 1, wherein: the gas-cooker (21) is installed to the inner diapire of heating chamber (25), one side that drying furnace (1) was kept away from in heating chamber (25) is equipped with feed inlet (23), feed inlet (23) pass the lateral wall of heating chamber (25) and extend to the inside of heating chamber (25).
6. The drying furnace for metal powder granulation as claimed in claim 5, wherein: hinge (24) are welded to the outer side wall of drying furnace (1), the lateral wall that heating chamber (25) were kept away from in drying furnace (1) is installed logical door (5), the expansion end and logical door (5) fixed connection of hinge (24), logical groove (7) have been seted up to one side of logical door (5), one side that drying furnace (1) was kept away from in logical door (5) is equipped with fastening bolt (6), fastening bolt (6) and logical groove (7) swing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627888.9U CN213135048U (en) | 2020-08-07 | 2020-08-07 | Drying furnace for metal powder granulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627888.9U CN213135048U (en) | 2020-08-07 | 2020-08-07 | Drying furnace for metal powder granulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213135048U true CN213135048U (en) | 2021-05-07 |
Family
ID=75736596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021627888.9U Expired - Fee Related CN213135048U (en) | 2020-08-07 | 2020-08-07 | Drying furnace for metal powder granulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213135048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054760A (en) * | 2021-11-12 | 2022-02-18 | 李佩华 | Powder metallurgy's copper powder manufacture equipment |
-
2020
- 2020-08-07 CN CN202021627888.9U patent/CN213135048U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054760A (en) * | 2021-11-12 | 2022-02-18 | 李佩华 | Powder metallurgy's copper powder manufacture equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210507 |