CN107899680A - A kind of ball mill stuffing seal - Google Patents
A kind of ball mill stuffing seal Download PDFInfo
- Publication number
- CN107899680A CN107899680A CN201710981582.XA CN201710981582A CN107899680A CN 107899680 A CN107899680 A CN 107899680A CN 201710981582 A CN201710981582 A CN 201710981582A CN 107899680 A CN107899680 A CN 107899680A
- Authority
- CN
- China
- Prior art keywords
- seal
- feeding cylinder
- ring
- sealing
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of ball mill stuffing seal, including cabinet, the position of cabinet inside by the top is equipped with filler device, filler device includes feed hopper and feeding cylinder, feed hopper is located at cabinet opening and cross section is trapezoidal, and feeding cylinder is nested in the discharge outlet of feeding funnel bottom part for cylindrical tube；Cabinet inside is also equipped with sealing device, sealing device includes seal receptacle, sealed socket sleeve is connected on feeding cylinder outer surface, the through hole end of seal receptacle is socketed with magnetic seal component, magnetic seal component face feeding cylinder end is used for realization the sealed bottom of feeding cylinder, magnetic seal component has the O-ring of annular shape with seal receptacle connecting place pad, blowing-down device is also equipped with below cabinet inside, and blowing-down device is installed on the exit right edge of feeding cylinder.Good seal performance of the present invention is not easy to wear also effectively can to prevent dust from entering, and prolonging the service life reduces equipment maintenance cost.
Description
Technical field
The present invention relates to ball mill technical field, is specially a kind of ball mill stuffing seal.
Background technology
Ball mill is the key equipment that material is broken and then is crushed, and is mainly used in cement, silicate system
The production industry such as product, New Building Materials, refractory material, chemical fertilizer, black and non-ferrous metal ore and glass ceramics.And ball mill
Packing box seal between entrance axle journal and connecting line is bad be a puzzlement producer for many years the problem of.In ball milling of today
Mainly there are three kinds of sealing means in machine stuffing seal, but following several shortcomings are individually present：
(1) felt seal device, it is relatively simple for structure, but abrasion is very easy to, and cannot be compensated after wearing, form machine
Oil seepage, is gradually increased, and is repaired until next time；
(2) contact type sealing device, fabrication and installation are simple, easy to maintenance, but run back skeleton oil sealing through a period of time
Abrasion, ending cover hole and rotation shaft clearance increase, cause throttling groove not work, easily cause leakage；
(3) labyrinth sealing belongs to non-contact seals, is led to using groove machine oil when running at high speed in labyrinth is opened up inside it
Cross groove and produce turbulent centrifugal force to prevent machine oil from largely leaking, due to having one between the revolving part and static element of labyrinth sealing
Fixed gap, it is impossible to avoided a small amount of lubricating oil leakage, also easily allowed extraneous dust to enter equipment, cause to wear.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of ball mill stuffing seal, sealing device
Good seal performance, not easy to wear also effectively to prevent dust from entering, prolonging the service life reduces equipment maintenance cost.
The technical solution adopted by the present invention to solve the technical problems is：A kind of ball mill stuffing seal, including machine
Case, the cabinet are opening up rectangular box body structure, and the position of the cabinet inside by the top is equipped with filler device, institute
Stating filler device includes feed hopper and feeding cylinder, and the feed hopper is located at cabinet opening and cross section is trapezoidal, the charging
Cylinder is nested in the discharge outlet of feeding funnel bottom part for cylindrical tube；The cabinet inside is also equipped with sealing device, the sealing dress
The outer surface for being socketed in feeding cylinder is put, the sealing device includes seal receptacle, and the overall appearance of the seal receptacle is in cuboid, close
The center of envelope seat, which is dug, through hole, and the through hole internal diameter of seal receptacle matches with feeding cylinder end outside diameter, and the sealed socket sleeve is connected on
Feeding cylinder outer surface, the through hole end of the seal receptacle are socketed with magnetic seal component, the magnetic seal component face into
Barrel end is used for realization the sealed bottom of feeding cylinder, and the magnetic seal component has annular shape with seal receptacle connecting place pad
O-ring, the cabinet inside lower section is also equipped with blowing-down device, and the blowing-down device is installed on the right side of the exit of feeding cylinder
Side.
As a kind of technical solution for having choosing of the present invention, the magnetic seal component includes magnetic stationary ring and carbon rotating ring, institute
It is square to state the cross section that magnetic stationary ring is, the cross section of the carbon rotating ring is inverted "L" shape, and magnetic stationary ring leads to seal receptacle
Cross welding and form rigid unitary structure, the carbon rotating ring is socketed in magnetic stationary ring outer surface.
As a kind of technical solution for having choosing of the present invention, the contact surface bottom of the seal receptacle and feeding cylinder has also been inlaid with
Sealing ring, the sealing ring is the flat annulus of two concentric circles composition, and sealing ring is fitted closely and is centered around around feeding cylinder.
As a kind of technical solution for having choosing of the present invention, the blowing-down device includes ventilation shaft and fan, the ventilation
Pipeline is in " Z " font, and the outlet of ventilation shaft is embedded in enclosure top, other end face fan, and the base of the fan is fixed
Side is exported installed in feeding cylinder, and the height of fan is consistent with ventilation shaft air inlet.
As a kind of technical solution for having choosing of the present invention, pressure-reducing ring, the pressure-reducing ring are inlaid with inside the sealing device
Composed in series by a compact arranged helical annular steel pipe of circle by fixed pin, the pressure-reducing ring is installed on magnetic seal component
Upper surface.
As a kind of technical solution for having choosing of the present invention, the outer surface of the seal receptacle is socketed with shaft seal cavity set, the axis
Envelope chamber set is in disk form and disc centre cutting has square through hole, the square through hole size of sealing axle sleeve and the size phase of seal receptacle
Unanimously.
As a kind of technical solution for having choosing of the present invention, the top side of the sealing axle sleeve, which is laterally dug, circular positioning
Hole, is plugged with adjusting nut in the location hole of sealing axle sleeve.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) for the present invention by applying magnetic seal technology, the magnetic force between dynamic and static ring is closely attracting, and with sealing ring, close
Interaction and cooperation between seal ring, have effectively achieved the control to raw material leakage；And magnetic stationary ring and carbon rotating ring material
Surface is smooth, and heat endurance is good, and abrasive resistance is strong, itself just has longer service life；
(2) present invention reduces seal pressure by the pressure-reducing ring on sealing device, shaft seal cavity set etc., effectively
Reduce the abrasion of sealing device, with longer service life, and relatively low friction horsepower can reduce disappearing for energy
Consumption；
(3) feed hopper of sealing device of the present invention, feeding cylinder and sealing device are using spiral socket either bolt
It is fixedly connected, whole device is quick detachable and carries out maintenance, and maintenance number is few, and maintenance price is low, has been effectively saved cost and has opened
Pin；
(4) invention increases blowing-down device, the dust in filler is driven to be raised by fan airstream, and by logical
Wind pipeline discharges dust, and dust pollutes during solving the problems, such as filler, and clean environment firendly.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the present invention looks up structural representation of the present invention.
In figure：1- cabinets；2- filler devices；3- feed hoppers；4- feeding cylinders；5- sealing devices；6- seal receptacles；7- magnetism is close
Sealing assembly；8-O shape circles；9- sealing rings；10- blowing-down devices；11- ventilation shafts；12- fans；13- pressure-reducing rings；14- adjusts spiral shell
It is female；15- shaft seal cavity sets；701- magnetic stationary rings；702- carbon rotating rings.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", " interior ", "
Outside ", " side " etc., is only direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, and it is not used to the limitation present invention.
Embodiment：
As depicted in figs. 1 and 2, the present invention provides a kind of ball mill stuffing seal, including cabinet 1, the cabinet 1
For opening up rectangular box body structure, the position inside the cabinet 1 by the top is equipped with filler device 2, the filler dress
Putting 2 includes feed hopper 3 and feeding cylinder 4, and the feed hopper 3 is located at 1 opening of cabinet and cross section is trapezoidal, the feeding cylinder 4
The discharge outlet of 3 bottom of feed hopper is nested in for cylindrical tube；Sealing device 5, the sealing dress are also equipped with inside the cabinet 1
5 outer surfaces for being socketed in feeding cylinder 4 are put, the sealing device 5 includes seal receptacle 6, and the overall appearance of the seal receptacle 6 is in rectangular
Body, the center of seal receptacle 6, which is dug, through hole, and the through hole internal diameter of seal receptacle 6 matches with 4 end outside diameter of feeding cylinder, the sealing
Seat 6 is socketed in 4 outer surface of feeding cylinder, and the through hole end of the seal receptacle 6 is socketed with magnetic seal component 7, and the magnetism is close
7 face feeding cylinder of sealing assembly, 4 end is used for realization the sealed bottom of feeding cylinder 4, the magnetic seal component 7 and 6 phase of seal receptacle
Pad has the O-ring 8 of annular shape at even；1 lower inside of cabinet is also equipped with blowing-down device 10, and the blowing-down device 10 is pacified
Mounted in the exit right edge of feeding cylinder 4；The contact surface bottom of the seal receptacle 6 and feeding cylinder 4 has also been inlaid with sealing ring 9,
The sealing ring 9 is the flat annulus of two concentric circles composition, and sealing ring 9 is fitted closely and is centered around around feeding cylinder 4；
Pressure-reducing ring 13 is inlaid with inside the sealing device 5, the pressure-reducing ring 13 is by a compact arranged helical annular of circle
Steel pipe is composed in series by fixed pin, and the pressure-reducing ring 13 is installed on the upper surface of magnetic seal component 7；The pressure-reducing ring 13 is led
Play the role of expenditure and pressure, raw material can be reduced to the seal pressure size of sealing device 5 so as to reduce the abrasion of sealing ring；
The outer surface of the seal receptacle 6 is socketed with shaft seal cavity set 15, and the shaft seal cavity covers 15 in disk form and disc centres
Cutting has square through hole, and the square through hole size of sealing axle sleeve 15 is consistent with the size of seal receptacle 6, the sealing axle sleeve 15
Top side, which is laterally dug, circular locating openings, and adjusting nut 14 is plugged with the location hole of sealing axle sleeve 15；
Specifically used mode and feature：Raw material passes through after being poured into from feed hopper 3 enters ball mill by feeding cylinder 4, is opened in raw material
When beginning is entered in feeding cylinder 4, the sealing device 5 is started to work, and seal receptacle 6 is used to support fixed whole sealing device, institute
State magnetic sealing means 7 and sealing between dynamic and static ring is realized by magnetic force, the magnetic seal component 7 includes magnetic stationary ring 701
With carbon rotating ring 702, the cross section that the magnetic stationary ring 701 is is square, and the cross section of the carbon rotating ring 702 is inverted "L" shape,
And magnetic stationary ring 701 forms rigid unitary structure with seal receptacle 6 by welding, the carbon rotating ring 702 is socketed in magnetic stationary ring
701 outer surfaces, wherein magnetic stationary ring 701 and the position of seal receptacle 6 are relatively fixed, and the then relative magnetism stationary ring 701 of carbon rotating ring 702
It is mobile, being bonded for sealing surface is ensured by the magnetic attracting force between magnetic stationary ring 701 and carbon rotating ring 702, the two composition friction is secondary,
Realize the sealing between dynamic and static son, and moment of torsion is transmitted by O-ring 8 between carbon rotating ring 702 and magnetic stationary ring 701 and realizes sealing
The secondary seal of ring 9；
The relative position of magnetic seal component 7 and seal receptacle 6, Ran Houtong can be adjusted during work by adjusting nut 14
Crossing to lock in shaft seal cavity set 15 gives filler one pretightning force, and filler is because deformation produces radial load, due to filler bidirectional stress, and should
Radial load is just successively decreased from 5 right end of sealing device to left end, can make on right side filler to the radial load of sealing ring 9 it is axial just
It is consistent with pressure medium distribution arrangement, inherently realize the requirement for increasing sealing force；
Further illustrate, the blowing-down device 10 is used to blow down the partial impurities in raw material, the blowing-down device
10 include ventilation shaft 11 and fan 12, and the ventilation shaft 11 is in " Z " font, and the outlet of ventilation shaft 11 is embedded in cabinet 1
Top, other end face fan 12, the base of the fan 12 are fixedly mounted on feeding cylinder 4 and export side, and the height of fan 12
Degree is consistent with 11 air inlet of ventilation shaft；The wind-force size of the fan 12 can just blow the materials such as the dust in raw material
Remove, the backhaul of blowing is expelled to the absorption plant outside babinet by ventilation shaft 11, enters ball mill without influencing raw material, cleans
Environmental protection.
In conclusion the main characteristic of the invention lies in that：
(1) for the present invention by applying magnetic seal technology, the magnetic force between dynamic and static ring is closely attracting, and with sealing ring, close
Interaction and cooperation between seal ring, have effectively achieved the control to raw material leakage；And magnetic stationary ring and carbon rotating ring material
Surface is smooth, and heat endurance is good, and abrasive resistance is strong, itself just has longer service life；
(2) present invention reduces seal pressure by the pressure-reducing ring on sealing device, shaft seal cavity set etc., effectively
Reduce the abrasion of sealing device, with longer service life, and relatively low friction horsepower can reduce disappearing for energy
Consumption；
(3) feed hopper of sealing device of the present invention, feeding cylinder and sealing device are using spiral socket either bolt
It is fixedly connected, whole device is quick detachable and carries out maintenance, and maintenance number is few, and maintenance price is low, has been effectively saved cost and has opened
Pin；
(4) invention increases blowing-down device, the dust in filler is driven to be raised by fan airstream, and by logical
Wind pipeline discharges dust, and dust pollutes during solving the problems, such as filler, and clean environment firendly.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (7)
- A kind of 1. ball mill stuffing seal, it is characterised in that：Including cabinet (1), the cabinet (1) is opening up length Cube body structure, the internal position by the top of the cabinet (1) be equipped with filler device (2), the filler device (2) including into Hopper (3) and feeding cylinder (4), the feed hopper (3) is located at cabinet (1) opening and cross section is trapezoidal, the feeding cylinder (4) The discharge outlet of feed hopper (3) bottom is nested in for cylindrical tube；Sealing device (5) is also equipped with inside the cabinet (1), it is described Sealing device (5) is socketed in the outer surface of feeding cylinder (4), and the sealing device (5) includes seal receptacle (6), the seal receptacle (6) Overall appearance be in cuboid, the center of seal receptacle (6), which is dug, through hole, through hole internal diameter and feeding cylinder (4) end of seal receptacle (6) End outside diameter matches, and the seal receptacle (6) is socketed in feeding cylinder (4) outer surface, the through hole end socket of the seal receptacle (6) Be magnetic seal assembly (7), and magnetic seal component (7) face feeding cylinder (4) end is used for realization the bottom of feeding cylinder (4) Sealing, the magnetic seal component (7) have the O-ring (8) of annular shape with seal receptacle (6) connecting place pad；In the cabinet (1) Blowing-down device (10) is also equipped with below portion, and the blowing-down device (10) is installed on the exit right edge of feeding cylinder (4).
- A kind of 2. ball mill stuffing seal according to claim 1, it is characterised in that：The magnetic seal component (7) magnetic stationary ring (701) and carbon rotating ring (702) are included, the cross section that the magnetic stationary ring (701) is is square, the carbon The cross section of rotating ring (702) is inverted "L" shape, and magnetic stationary ring (701) forms rigid unitary knot with seal receptacle (6) by welding Structure, the carbon rotating ring (702) are socketed in magnetic stationary ring (701) outer surface.
- A kind of 3. ball mill stuffing seal according to claim 1, it is characterised in that：The seal receptacle (6) with into The contact surface bottom of barrel (4) has also been inlaid with sealing ring (9), and the sealing ring (9) is the flat annulus of two concentric circles composition, And sealing ring (9) is fitted closely and is centered around around feeding cylinder (4).
- A kind of 4. ball mill stuffing seal according to claim 1, it is characterised in that：Blowing-down device (10) bag Ventilation shaft (11) and fan (12) are included, the ventilation shaft (11) is in " Z " font, and the outlet of ventilation shaft (11) is embedded in machine At the top of case (1), other end face fan (12), the base of the fan (12) is fixedly mounted on feeding cylinder (4) outlet side, and The height of fan (12) is consistent with ventilation shaft (11) air inlet.
- A kind of 5. ball mill stuffing seal according to claim 1, it is characterised in that：In the sealing device (5) Portion is inlaid with pressure-reducing ring (13), and the pressure-reducing ring (13) concatenates group by a compact arranged helical annular steel pipe of circle by fixed pin Into the pressure-reducing ring (13) is installed on the upper surface of magnetic seal component (7).
- A kind of 6. ball mill stuffing seal according to claim 1, it is characterised in that：Outside the seal receptacle (6) Surface is socketed with shaft seal cavity set (15), and the shaft seal cavity set (15) is in disk form and disc centre cutting has square through hole, seals The square through hole size of axle sleeve (15) is consistent with the size of seal receptacle (6).
- A kind of 7. ball mill stuffing seal according to claim 6, it is characterised in that：The sealing axle sleeve (15) Top side, which is laterally dug, circular locating openings, and adjusting nut (14) is plugged with the location hole of sealing axle sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710981582.XA CN107899680A (en) | 2017-10-20 | 2017-10-20 | A kind of ball mill stuffing seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710981582.XA CN107899680A (en) | 2017-10-20 | 2017-10-20 | A kind of ball mill stuffing seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107899680A true CN107899680A (en) | 2018-04-13 |
Family
ID=61841561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710981582.XA Pending CN107899680A (en) | 2017-10-20 | 2017-10-20 | A kind of ball mill stuffing seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107899680A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464224A (en) * | 2018-05-09 | 2019-11-19 | 广东美的生活电器制造有限公司 | Food processor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6119969A (en) * | 1999-05-20 | 2000-09-19 | Wisconsin Electric Power Company (Wepco) | Mill trunnion seal spacer in coal-burning utility electrical power generation plant |
| CN101135380A (en) * | 2006-08-30 | 2008-03-05 | 中国航空工业第一集团公司沈阳发动机设计研究所 | Magnetic force sealing device and process for manufacturing magnetic stationary ring coating |
| CN201093078Y (en) * | 2007-07-25 | 2008-07-30 | 韩乐工 | Filler seal structure |
| CN201180786Y (en) * | 2008-04-22 | 2009-01-14 | 赛姆提克(上海)机械有限公司 | Mechanical seal structure used for wet ball mill |
| CN203245028U (en) * | 2013-04-09 | 2013-10-23 | 宋建华 | Ball mill |
| CN203661980U (en) * | 2014-01-06 | 2014-06-25 | 鸡西大学 | Automatic cleaning type fodder mixing machine |
| CN204573106U (en) * | 2015-04-21 | 2015-08-19 | 江苏大方金属粉末有限公司 | A kind of sealing device for ball mill |
| CN204610838U (en) * | 2015-04-27 | 2015-09-02 | 浙江威肯特泵业有限公司 | A kind of mechanical seal device |
-
2017
- 2017-10-20 CN CN201710981582.XA patent/CN107899680A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6119969A (en) * | 1999-05-20 | 2000-09-19 | Wisconsin Electric Power Company (Wepco) | Mill trunnion seal spacer in coal-burning utility electrical power generation plant |
| CN101135380A (en) * | 2006-08-30 | 2008-03-05 | 中国航空工业第一集团公司沈阳发动机设计研究所 | Magnetic force sealing device and process for manufacturing magnetic stationary ring coating |
| CN201093078Y (en) * | 2007-07-25 | 2008-07-30 | 韩乐工 | Filler seal structure |
| CN201180786Y (en) * | 2008-04-22 | 2009-01-14 | 赛姆提克(上海)机械有限公司 | Mechanical seal structure used for wet ball mill |
| CN203245028U (en) * | 2013-04-09 | 2013-10-23 | 宋建华 | Ball mill |
| CN203661980U (en) * | 2014-01-06 | 2014-06-25 | 鸡西大学 | Automatic cleaning type fodder mixing machine |
| CN204573106U (en) * | 2015-04-21 | 2015-08-19 | 江苏大方金属粉末有限公司 | A kind of sealing device for ball mill |
| CN204610838U (en) * | 2015-04-27 | 2015-09-02 | 浙江威肯特泵业有限公司 | A kind of mechanical seal device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464224A (en) * | 2018-05-09 | 2019-11-19 | 广东美的生活电器制造有限公司 | Food processor |
| CN110464224B (en) * | 2018-05-09 | 2022-07-12 | 广东美的生活电器制造有限公司 | Food processor |
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Application publication date: 20180413 |
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