CN115634761A

CN115634761A - Fluid energy mill is used in silver powder production

Info

Publication number: CN115634761A
Application number: CN202211339964.XA
Authority: CN
Inventors: 周斌; 沈仙林
Original assignee: Henan Jinqu Yintong Metal Material Co ltd
Current assignee: Henan Jinqu Yintong Metal Material Co ltd
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-01-24

Abstract

The invention provides a jet mill for silver powder production, which comprises a milling barrel, supporting legs, a discharging pipe, a first control valve, a feeding hopper, a second control valve, a top cover, a jet milling module, a plurality of vertical barrels, filter screens, an induced draft fan and an air outlet pipe, wherein the inner side wall of the lower end of the milling barrel is in a conical barrel shape, the filter screens are arranged on the bottom wall of the top of a mounting frame, the filter screens are respectively arranged at the bottoms of the mounting barrels and have different filter holes, the induced draft fan is arranged on the top cover and respectively corresponds to the vertical barrels, and the air outlet pipe is respectively connected with the air outlet ends of the induced draft fans. According to the airflow crusher for silver powder production, disclosed by the invention, the silver powder can be rapidly and efficiently crushed, the crushed silver powder can be filtered through the plurality of filter screens with different filter hole sizes, and the crushed silver powder is guided out of the crushing device in a mode that the particle size is gradually increased, so that the crushing and multi-stage screening of the silver powder can be realized without the aid of a classifier.

Description

Fluid energy mill is used in silver powder production

Technical Field

The invention relates to the technical field of airflow crushing devices, in particular to an airflow crusher for silver powder production.

Background

The jet mill is an important device for processing ultrafine powder.

The utility model with the publication number of CN 211463428U discloses a jet mill which can conveniently separate the part which is not crushed from the part which is crushed, and reduce the influence on the crushing effect of silver powder; including smashing the case, the case lid, the filling tube, the loading hopper, annular intake pipe, the multiunit shunt tubes, the multiunit nozzle, the spacer screen, the draught fan, the outlet duct, a fixed plate, two sets of lifter plates, two sets of connecting rods, two sets of beating pieces, two sets of spacing springs, a motor, first speed reducer, first transmission shaft and two sets of eccentric wheels, be provided with the ooff valve on the filling tube, the last intercommunication of annular intake pipe is provided with the induction-pipe, both ends pass crushing case left side wall and right side wall respectively about first transmission shaft, and all be provided with first mechanical seal spare in first transmission shaft and crushing case contact department, first transmission shaft right-hand member is connected with first speed reducer output, the equal fixed mounting of two sets of eccentric wheels is on first transmission shaft, and two sets of eccentric wheels contact with two sets of lifter plates respectively. Among the technical scheme of this patent, because separate the net horizontal fixed mounting in crushing incasement portion first region, in order to only carry out filtration treatment to the silver-colored material of single particle size, after the silver powder after will smashing derives reducing mechanism, still need classify with the help of the grader, can not directly derive reducing mechanism according to particle size classification with the silver powder after smashing, trouble very ground and increase the cost spending that the user purchased the grader easily.

Disclosure of Invention

In view of the above, the present invention provides an air flow crusher for silver powder production, which is used for rapidly and efficiently crushing silver powder, filtering the crushed silver powder through a plurality of filter screens with different filter hole sizes, and guiding the crushed silver powder out of a crushing device in a manner of increasing the particle size from small to large, so as to crush and screen the silver powder in multiple stages without using a classifier.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a silver powder production is with fluid energy mill which characterized in that: including the crushing barrel that the lower extreme inside wall is the cone cylindric, the supporting leg of setting in the crushing barrel bottom, the discharging pipe of setting in the crushing barrel bottom, the first control valve of setting on the discharging pipe, the feeder hopper of setting at the crushing barrel side, the second control valve of setting on the feeder hopper, the top cap at detachably crushing barrel top, the jet milling module of setting on the crushing barrel, a plurality of perpendicular sections of thick bamboo of setting on the top diapire of mounting bracket, set up the filter screen of the filtration pore size difference in a plurality of mounting barrel bottoms respectively through the mounting barrel, the setting just is corresponding to the draught fan of a plurality of perpendicular sections respectively on the top cap and the outlet duct that is connected with the air-out end of a plurality of draught fans respectively. The airflow crushing module comprises an air guide cavity, an air inlet pipe, an L-shaped shunt pipe and an air nozzle, wherein the air guide cavity is arranged inside the side end of the crushing barrel and above the feed hopper, the air inlet pipe is arranged on the outer side wall of the crushing barrel and is communicated with the air guide cavity, the L-shaped shunt pipe is arranged on the inner side wall of the crushing barrel and is communicated with the air guide cavity, and the air nozzle is arranged at the bottom of the jet flow pipe.

Further, an installation cylinder is connected with a vertical cylinder in a threaded mode, a first screwing rod is further arranged at the side end of the installation cylinder, the filter screen is fixedly connected with the inner side wall of the bottom of the installation cylinder, and the installation cylinder can be conveniently screwed and adjusted through the first screwing rod, so that the installation cylinder is conveniently and flexibly connected with the vertical cylinder.

Further, the side still vertically is provided with first flexible push rod about the top of top cap, still be provided with the horizontal pole between the output shaft bottom of two first flexible push rods, the top of horizontal pole still be provided with respectively with the first piece of strikeing of a plurality of filter screen looks adaptations, the synchronous vertical flexible regulation of the output shaft through two first flexible push rods, can be so that the horizontal pole, a plurality of first synchronous vertical up-and-down operations of piece of strikeing, make a plurality of first piece of strikeing intermittently with a plurality of filter screen contacts, thereby strike the processing to the filter screen, avoid silver powder to jam the filter hole of filter screen, thereby improve the filter effect of filter screen.

Further, still be provided with on the inside wall of rubbing crusher and smash auxiliary module, smash auxiliary module including setting up the diaphragm that just is located the air guide chamber top on the rubbing crusher inside wall, the agitator motor of setting in the diaphragm bottom, the (mixing) shaft of setting at agitator motor's output shaft lower extreme and the stirring vane of setting on the (mixing) shaft, through the diaphragm, agitator motor, the cooperation of (mixing) shaft and stirring vane, can stir the processing to the silver powder in the rubbing crusher, thereby make the device can carry out shredding to silver powder more fast high-efficiently.

Furthermore, the stirring blade is also provided with a scraping plate for scraping and cleaning the silver powder adhered to the inner side wall of the crushing barrel, and the silver powder can be prevented from being adhered to the inner side wall of the crushing barrel and cannot be crushed through the scraping plate, so that the waste of the silver powder is avoided; in addition, when stopping smashing, when needing to shift out the crushing barrel with unnecessary not smashing complete silver powder, through scraping the clearance of scraping the flitch, also can make silver powder more thoroughly leave crushing barrel, avoid causing the waste of silver powder.

Further, the top cover is fixed with the crushing barrel in a clamped mode, the top cover is further provided with a fixing bolt used for fixing the crushing barrel, the crushing barrel is further provided with a thread fixing hole matched with the fixing bolt, the top cover only needs to be fixed with the crushing barrel in a clamped mode, then the fixing bolt penetrates through the top cover and is connected with the thread fixing hole, and therefore the top cover and the crushing barrel can be flexibly fixed.

Furthermore, the bottom side of the supporting leg is also provided with an extension plate, the extension plate is also provided with a foundation bolt for fixing with the ground, and the foundation bolt can penetrate through the extension plate and be connected with the ground in the working process, so that the device is prevented from easily shifting and turning on the side.

Furthermore, threaded connection has the closing cap still at the top of top cap, still is provided with the second on the closing cap and twists the pole, and the user can twist the regulation that changes the closing cap through the second when suspension shredding, takes off the closing cap to conveniently look over the condition of crushing barrel inside through the threaded connection hole with closing cap looks adaptation on the top cap, need not to take off the top cap, later rethread second twist the pole make the closing cap be connected to together with the top cap can.

Furthermore, a lifting handle is further arranged on the top cover, a sealing ring which is positioned above the thread fixing hole and is connected with the top cover display screen is further arranged on the outer side wall of the crushing barrel, and the top cover can be conveniently moved through the lifting handle, so that the top cover and the crushing barrel can be conveniently connected and detached; through the sealing washer, can strengthen the leakproofness of the junction of top cap and crushing section of thick bamboo.

Further, still be provided with the flexible push rod of second with feeder hopper looks adaptation on the crushing barrel lateral wall, the tip of the output shaft of the flexible push rod of second still is provided with the second that strikes the piece with feeder hopper looks adaptation, through the flexible regulation of the flexible push rod of second, can make the second strike the piece and contact with the feeder hopper repeatedly and intermittently to strike the processing to the feeder hopper, avoid the silver powder adhesion to cause the waste of silver powder on the inside wall of feeder hopper.

Compared with the prior art, the invention has the beneficial effects that: through smashing a section of thick bamboo, the supporting leg, the discharging pipe, a control valve, the feeder hopper, the top cap, a plurality of vertical cylinder, a plurality of filter screens, a plurality of draught fans, a plurality of outlet ducts, the air guide cavity, a plurality of intake pipes, the cooperation of a plurality of shunt tubes and a plurality of air nozzle, not only can carry out shredding to silver powder high efficiency, but also can carry out filtration treatment to the silver powder after smashing through a plurality of filter screens of filtration pore size difference, and derive reducing mechanism according to the silver powder after the particle diameter will smashing by little big mode, thereby just realize smashing and the multistage screening processing to silver powder under the condition that need not with the aid of the grader.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic view of the second knocking block of the present invention colliding with a side end of a feed hopper;

FIG. 5 is a schematic structural view of an extension plate and an anchor bolt according to the present invention.

In the figure: 101. a milling drum; 102. supporting legs; 103. a discharge pipe; 104. a first control valve; 105. a feed hopper; 106. a second control valve; 107. a top cover; 108. a vertical cylinder; 109. a filter screen; 110. an induced draft fan; 111. an air outlet pipe; 112. a first screw; 113. a first telescopic push rod; 114. a cross bar; 115. a first tapping block; 116. fixing the bolt; 117. an extension plate; 118. anchor bolts; 119. mounting the cylinder; 201. a gas-conducting cavity; 202. an air inlet pipe; 203. a shunt tube; 204. an air nozzle; 301. a transverse plate; 302. a stirring motor; 303. a stirring shaft; 304. a stirring blade; 305. a scraping plate; 306. sealing the cover; 307. a second screw; 308. a handle; 309. a seal ring; 310. a second telescopic push rod; 311. and a second knocking block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

As shown in fig. 1, 2, 3 and 4, a jet mill for silver powder production is characterized in that: including the crushing barrel 101 that the lower extreme inside wall is the cone cylindric, the supporting leg 102 of setting in crushing barrel 101 bottom, the discharging pipe 103 of setting in crushing barrel 101 bottom, the first control valve 104 of setting on discharging pipe 103, the setting is at the feeder hopper 105 of crushing barrel 101 side, the second control valve 106 of setting on feeder hopper 105, the top cap 107 at detachably crushing barrel 101 top, the jet milling module of setting on crushing barrel 101, a plurality of vertical columns 108 of setting on the top diapire of mounting bracket, set up the filter screen 109 of the filtration pore size difference in a plurality of installation cylinder 119 bottoms respectively through installation cylinder 119, set up on top cap 107 and respectively correspond to the draught fan 110 of a plurality of vertical columns 108 and the outlet duct 111 of being connected with the air-out end of a plurality of draught fans 110 respectively. The airflow crushing module comprises an air guide cavity 201 which is arranged inside the side end of the crushing barrel 101 and is positioned above the feed hopper 105, an air inlet pipe 202 which is arranged on the outer side wall of the crushing barrel 101 and is communicated with the air guide cavity 201, an L-shaped shunt pipe 203 which is arranged on the inner side wall of the crushing barrel 101 and is communicated with the air guide cavity 201, and an air nozzle 204 which is arranged at the bottom of the jet pipe. The side still vertically is provided with first flexible push rod 113 about the top of top cap 107, still is provided with horizontal pole 114 between the output shaft bottom of two first flexible push rods 113, and the top of horizontal pole 114 still is provided with respectively with the first piece 115 of strikeing of a plurality of filter screen 109 looks adaptations. Still be provided with crushing supplementary module on the inside wall of crushing barrel 101, crushing supplementary module is including setting up the diaphragm 301 that just is located air guide cavity 201 top on crushing barrel 101 inside wall, setting up agitator motor 302 in diaphragm 301 bottom, setting up at the (mixing) shaft 303 of agitator motor 302's output shaft lower extreme and set up stirring vane 304 on (mixing) shaft 303. The outer side wall of the crushing barrel 101 is further provided with a second telescopic push rod 310 matched with the feed hopper 105, and the end part of the output shaft of the second telescopic push rod 310 is further provided with a second knocking block 311 matched with the feed hopper 105. The stirring blade 304 is also provided with a scraper 305 for scraping and cleaning the silver powder adhered to the inner side wall of the pulverizing cylinder 101.

The first control valve 104 can be opened first, a certain amount of silver powder is added into the feeding hopper 105, so that the silver powder is added into the lower half area of the crushing barrel 101, meanwhile, the second telescopic push rod 310 can be repeatedly extended and shortened by a certain length, so that the knocking block is intermittently contacted with the feeding hopper 105, so that the feeding hopper 105 is knocked, the silver powder is prevented from being adhered to the inner side wall of the feeding hopper 105 to cause waste of the silver powder, and then the first control valve 104 can be closed; then, the filtered and dried compressed air can be introduced into the annular air guide cavity 201 through the air inlet pipe 202, is shunted through the plurality of shunt pipes 203 and then is ejected out through the plurality of air nozzles 204, and the silver powder is repeatedly collided, rubbed and sheared at the intersection point of the plurality of high-pressure air flows to be crushed; can start agitator motor 302 simultaneously, make (mixing) shaft 303, stirring vane 304 rotates, stir the processing to the silver powder in crushing barrel 101, thereby make the device can smash the processing to silver powder more fast high-efficiently, and simultaneously, scraping plate 305 can rotate along with stirring vane 304, clear up the silver powder of adhesion on crushing barrel 101 inner wall, avoid silver powder adhesion on crushing barrel 101's inside wall and can't be smashed the processing, thereby avoid causing the waste of silver powder.

In the process of utilizing filter screen 109 to carry out filtration treatment to the silver powder after smashing, can be so that the synchronous vertical flexible regulation of two first flexible push rod 113's output shaft, can be so that horizontal pole 114, a plurality of first piece 115 of strikeing move from top to bottom in step, make a plurality of first piece 115 of strikeing contact with a plurality of filter screens 109 intermittently, thereby to strikeing the processing to filter screen 109 that is carrying out filtration treatment to silver powder, avoid silver powder to jam filter screen 109's filter hole, thereby improve filter screen 109's filter effect.

Then, the induced draft fan 110 corresponding to the filter screen 109 with the smallest filter hole is started first, and the induced draft of the induced draft fan 110 is ensured to be larger than the high-pressure air flow entering the crushing cylinder 101, so that a negative pressure environment is formed inside the crushing cylinder 101, and the silver powder which is crushed and has the particle size meeting the requirement passes through the filter hole of the corresponding filter screen 109, is led out under the suction action of the induced draft fan 110 correspondingly, and flows into a collecting device through an air outlet pipe 111 to be collected; then, the induced draft fan 110 corresponding to the filter screen 109 with the smallest filter hole can be closed, and the induced draft fan 110 corresponding to the filter screen 109 with the second smallest filter hole is opened, so that the silver powder with the particle size meeting the requirement is guided out of the crushing cylinder 101 and is guided into the collecting device through the corresponding air guide pipe; then, in the same way, the crushed silver powder is led out of the crushing cylinder 101 in turn from small to large particle size and is led into the collecting device through the gas outlet pipe 111; therefore, the silver powder after being crushed can be classified and collected without a classifier.

After a period of time, when the silver powder crushing treatment needs to be suspended, only the high-pressure airflow is suspended from the crushing cylinder 101 through the air inlet pipe 202, and the stirring motor 302 is suspended; later if need shift out crushing barrel 101 with remaining silver powder, only need open second control valve 106, and start agitator motor 302, make (mixing) shaft 303, stirring vane 304 stir the processing to remaining silver powder in crushing barrel 101, make the silver powder after smashing can be smooth and easy, leave crushing barrel 101 through discharging pipe 103 fast, scrape flitch 305 and also can rotate along with stirring vane 304 simultaneously, to the adhesion can make silver powder leave crushing barrel 101 more thoroughly, avoid causing the waste of silver powder.

According to another embodiment of the present invention, as shown in fig. 1, the mounting cylinder 119 is in threaded connection with the vertical cylinder 108, the first screw rod 112 is further disposed at a side end of the mounting cylinder 119, the filter screen 109 is fixedly connected with an inner side wall of the bottom of the mounting cylinder 119, and the mounting cylinder 119 can be conveniently screwed and adjusted by the first screw rod 112, so that the mounting cylinder 119 and the vertical cylinder 108 can be conveniently and flexibly connected. After a period of time, when needing to change taking place to damage or the improper filter screen 109 of filtration pore size, can open top cap 107 earlier, later twist the regulation through first pole 112 to installation section of thick bamboo 119 and twist, take off installation section of thick bamboo 119, change filter screen 109 together with installation section of thick bamboo 119, and twist the regulation through first pole 112 to new installation section of thick bamboo 119, make installation section of thick bamboo 119 and upright section of thick bamboo 108 reconnect together, later alright carry out filtration treatment to continuing to silver powder.

According to another embodiment of the present invention, as shown in fig. 1 and 3, the top cover 107 is fixed to the crushing cylinder 101 in a clamping manner, the top cover 107 is further provided with a fixing bolt 116 for fixing the crushing cylinder 101, the crushing cylinder 101 is further provided with a threaded fixing hole adapted to the fixing bolt 116, and the top cover 107 and the crushing cylinder 101 can be flexibly fixed only by clamping and fixing the top cover 107 to the crushing cylinder 101 and then enabling the fixing bolt 116 to penetrate through the top cover 107 and be connected with the threaded fixing hole.

According to another embodiment of the invention, as shown in fig. 5, the bottom side of the support leg 102 is further provided with an extension plate 117, and the extension plate 117 is further provided with an anchor bolt 118 for fixing with the ground, so that during operation, the anchor bolt 118 can pass through the extension plate 117 and be connected with the ground, thereby preventing the device from easily shifting and turning over.

According to another embodiment of the present invention, as shown in fig. 2, a sealing cover 306 is further screwed on the top of the top cover 107, a second screwing rod 307 is further disposed on the sealing cover 306, when the crushing process is suspended, a user can screw and adjust the sealing cover 306 through the second screwing rod 307, and remove the sealing cover 306, so that the inside of the crushing cylinder 101 can be conveniently checked through the screwed connection hole on the top cover 107, which is matched with the sealing cover 306, without removing the top cover 107, and then the sealing cover 306 and the top cover 107 are connected together through the second screwing rod 307.

According to another embodiment of the invention, as shown in fig. 1 and 3, a handle 308 is further arranged on the top cover 107, a sealing ring 309 which is located above the threaded fixing hole and is displayed on the top cover 107 is further arranged on the outer side wall of the crushing cylinder 101, and the top cover 107 can be conveniently moved through the handle 308, so that the top cover 107 and the crushing cylinder 101 can be conveniently connected and detached; the sealing ring 309 can enhance the sealing property at the joint between the top cover 107 and the milling drum 101.

The foregoing is a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should be considered as the protection scope of the present invention.

Claims

1. The utility model provides a silver powder production is with fluid energy mill which characterized in that: including crushing barrel (101) that the lower extreme inside wall is the cone cylindric, supporting leg (102) of setting in crushing barrel (101) bottom, discharging pipe (103) of setting in crushing barrel (101) bottom, first control valve (104) of setting on discharging pipe (103), set up feeder hopper (105) at crushing barrel (101) side, second control valve (106) of setting on feeder hopper (105), top cap (107) at detachably crushing barrel (101) top, the jet milling module of setting on crushing barrel (101), a plurality of vertical columns (108) of setting on the top diapire of mounting bracket, set up filter screen (109) of the filtration pore size difference in a plurality of installation section of thick bamboos (119) bottom respectively through installation section of thick bamboo (119), draught fan (110) that set up on top cap (107) and correspond to a plurality of vertical columns (108) respectively and outlet duct (111) that are connected with the air-out end of a plurality of draught fan (110) respectively.

2. The gas mill for silver powder production according to claim 1, characterized in that: the filter screen is characterized in that the mounting cylinder (119) is in threaded connection with the vertical cylinder (108), a first screwing rod (112) is further arranged at the side end of the mounting cylinder (119), and the filter screen (109) is fixedly connected with the inner side wall of the bottom of the mounting cylinder (119).

3. The silver powder production air stream mill as claimed in claim 2, wherein: the side still vertically is provided with first flexible push rod (113) about the top of top cap (107), two the output shaft bottom of first flexible push rod (113) between still be provided with horizontal pole (114), the top of horizontal pole (114) still be provided with respectively with a plurality of filter screen (109) looks adaptation first piece (115) of strikeing.

4. The jet mill for silver powder production according to claim 3, characterized in that: the jet milling module comprises an air guide cavity (201) which is arranged inside the side end of the milling barrel (101) and is positioned above the feed hopper (105), an air inlet pipe (202) which is arranged on the outer side wall of the milling barrel (101) and is communicated with the air guide cavity (201), an L-shaped shunt pipe (203) which is arranged on the inner side wall of the milling barrel (101) and is communicated with the air guide cavity (201), and an air nozzle (204) which is arranged at the bottom of the jet pipe.

5. The jet mill for silver powder production according to claim 4, wherein: still be provided with crushing auxiliary module on the inside wall of crushing barrel (101).

6. The silver powder production gas stream mill as set forth in claim 5, wherein: the crushing auxiliary module comprises a transverse plate (301) which is arranged on the inner side wall of the crushing barrel (101) and positioned above the air guide cavity (201), a stirring motor (302) arranged at the bottom of the transverse plate (301), a stirring shaft (303) arranged at the lower end of an output shaft of the stirring motor (302) and stirring blades (304) arranged on the stirring shaft (303).

7. The gas mill for silver powder production according to claim 6, characterized in that: and the stirring blade (304) is also provided with a scraping plate (305) for scraping and cleaning the silver powder adhered to the inner side wall of the crushing cylinder (101).

8. The jet mill for silver powder production according to any one of claims 1 to 7, characterized in that: the top cap (107) is fixed with crushing barrel (101) joint, still be provided with on top cap (107) and be used for carrying out fixing bolt (116) to crushing barrel (101), still be provided with the thread tightening hole with fixing bolt (116) looks adaptation on crushing barrel (101).

9. The jet mill for silver powder production according to any one of claims 1 to 7, wherein: the bottom side end of the supporting leg (102) is further provided with an extension plate (117), and an anchor bolt (118) used for being fixed with the ground is further arranged on the extension plate (117).