CN109482289A - A kind of rod mill feed chute and cylinder seal assembly - Google Patents
A kind of rod mill feed chute and cylinder seal assembly Download PDFInfo
- Publication number
- CN109482289A CN109482289A CN201811542567.6A CN201811542567A CN109482289A CN 109482289 A CN109482289 A CN 109482289A CN 201811542567 A CN201811542567 A CN 201811542567A CN 109482289 A CN109482289 A CN 109482289A
- Authority
- CN
- China
- Prior art keywords
- feed chute
- stuffing box
- rod mill
- seal assembly
- gas
- 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.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000010425 asbestos Substances 0.000 claims abstract description 14
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 241000406668 Loxodonta cyclotis Species 0.000 description 6
- 230000003068 static effect Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- B02C17/10—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 with one or a few disintegrating members arranged in the container
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
A kind of rod mill feed chute of the present invention and cylinder seal assembly are related to a kind of seal assembly, more particularly to a kind of rod mill feed chute and cylinder seal assembly, including using stuffing box of 28 asbestos cord of Ф as filler, it is characterized in that the stuffing box is set to the outside of the feed chute of rod mill, the stuffing box also accesses blanket gas using sealing gas pipeline, makes blanket gas gas full of stuffing box.Original pressing plate is changed to stuffing box and blanket gas is accessed stuffing box lower end the present invention by it, the purpose for making gas play sealing full of stuffing box, block material, compensate automatically.Lesser 1 rotating ring of axial gap and 1 stationary ring is respectively welded in charging flow tube and inner barrel, for blocking flow direction of material feed inlet, leaks serious technical problem after thoroughly solving the operation of grinding machine strip.
Description
Technical field
The present invention relates to a kind of seal assemblies, and in particular to a kind of rod mill feed chute and cylinder seal assembly.
Background technique
Between rod mill feed chute (static) and cylinder (rotation) in diametrical direction exist the gap about 5mm, genuine into
Wool felt is compressed using pressing plate on material mouth wall and carrys out plugging gap, since wool felt intensity is inadequate and cannot compensate rotary course automatically
The difference gap of middle offset leaks seriously after the operation of grinding machine strip, brings very big inconvenience to actual production.
Summary of the invention
The purpose of the present invention is to provide a kind of rod mill feed chutes and cylinder seal assembly, and original pressing plate is changed to
Blanket gas is simultaneously accessed stuffing box lower end by stuffing box, the mesh for making gas play sealing full of stuffing box, block material, compensate automatically
's.Lesser 1 rotating ring of axial gap and 1 stationary ring is respectively welded in charging flow tube and inner barrel, for blocking flow direction of material
Feed inlet leaks serious technical problem after thoroughly solving the operation of grinding machine strip.
The technical solution of the invention is as follows:
A kind of rod mill feed chute and cylinder seal assembly, including using stuffing box of 28 asbestos cord of diameter as filler,
It is characterized in that the stuffing box is set to the outside of the feed chute of rod mill, the stuffing box also utilizes sealing tracheae
Line accesses blanket gas, makes blanket gas gas full of stuffing box.
A kind of above-mentioned rod mill feed chute and cylinder seal assembly, are characterized in that further include that position is corresponding
It is set to 1 inside feed chute rotating ring and is set to 1 stationary ring of inner barrel, the radial direction between the rotating ring and stationary ring
Interval is not more than 2mm.
Above-mentioned stuffing box is welded in the outside of the feed chute of the rod mill by nut.
Material needed for above-mentioned stuffing box and sealing gas pipeline: the screw bolt of M24 × 80 6, the full thread of M16 × 60
6, bolt；Steel plate δ 12mm × 2 ㎡；650 steel pipe 0.5m of diameter；28 asbestos cord of diameter is a roll of；15 steel pipe 6m of diameter, diameter 25
Steel pipe 1m；1/2 ball valve 1；15 union of diameter 2.
Above-mentioned stuffing box and sealing gas pipeline fabrication and installation: by the welding in parallel with M16 nut of M24 nut, by 650 pipeline of φ
Circumferential direction cutting 50mm width, is welded on 650 outer wall of φ for M24 screw rod, and circumferentially 6 equal portions are distributed, will be soldered
Endless tube, which is cut open, is inserted in feed chute, is welded on charging after mobile endless tube and elephant trunk outer wall circumference are equidistant centered on feed chute
Mouth wall；4 gas-distributing pipes are placed at stuffing box edge slot and keep the gap 3mm；Stuffing box filling asbestos cord simultaneously installs pressing plate；
It rotates housing pin and to cap locations and symmetrically compresses hold-down grid.
The above-mentioned dynamic and static ring fabrication and installation in inside: outer 825mm, internal diameter 628mm straight will be cut into a thickness of the steel plate of 12mm
2 round ring flat-plates, 1 annular slab is first inserted in feed chute, and make to be welded on after its inner ring and elephant trunk outer wall gap are uniform
On grinding mill barrel wall, rotating ring is formed；It is inserted in another 1 ring flat-plate again to be welded on elephant trunk, forms stationary ring, 2 ring flat-plate spaced radials are little
In 2mm.
The beneficial effects of the present invention are:
Original pressing plate is changed to stuffing box and blanket gas is accessed stuffing box lower end the present invention by it, plays gas full of stuffing box
Sealing, the purpose for blocking material, compensating automatically.Lesser 1 rotating ring of axial gap is respectively welded in charging flow tube and inner barrel
Serious technical problem is leaked after thoroughly solving the operation of grinding machine strip with 1 stationary ring for blocking flow direction of material feed inlet.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is stuffing box structural schematic diagram.
Fig. 3 is rotating ring and stationary ring connection schematic diagram.
Appended drawing reference: 1- stuffing box, 2- feed chute, 3- seal gas pipeline, 4- rotating ring, 5- cylinder, 6- stationary ring, 7- asbestos
Rope.
Specific embodiment
Referring to fig. 2,
A kind of rod mill feed chute and cylinder seal assembly, including using 28 asbestos cord of diameter to fill out as the stuffing box 1 of filler
Magazine 1 is set to the outside of the feed chute 2 of rod mill, and the stuffing box 1 also accesses blanket gas using sealing gas pipeline 3, makes
Blanket gas gas is full of stuffing box 1.
Referring to Fig. 3
It further include 1 rotating ring 4 that position is set to accordingly inside feed chute 2 and 1 stationary ring 6 being set to inside cylinder 5,
Spaced radial between the rotating ring 4 and stationary ring 6 is not more than 2mm.
Stuffing box 1 is welded in the outside of the feed chute 2 of the rod mill by nut.
Material needed for stuffing box 1 and sealing gas pipeline 3: the screw bolt of M24 × 80 6, the full thread spiral shell of M16 × 60
6, bolt；Steel plate δ 12mm × 2 ㎡；650 steel pipe 0.5m of diameter;28 asbestos cord of diameter is a roll of；15 steel pipe 6m of diameter, 25 steel of diameter
Pipe 1m；1/2 ball valve 1；15 union of diameter 2.
Stuffing box 1 and sealing 2 fabrication and installation of gas pipeline: by the welding in parallel with M16 nut of M24 nut, by 650 pipeline ring of φ
To cutting 50mm width, M24 screw rod is welded on 650 outer wall of φ, and circumferentially 6 equal portions are distributed, by soldered ring
Pipe, which is cut open, is inserted in feed chute 2, and mobile endless tube equidistantly welds afterwards with 2 outer wall circumference of feed chute centered on feed chute 2
In feed inlet wall；4 gas-distributing pipes are placed at 1 edge slot of stuffing box and keep the gap 3mm；Stuffing box 1 fills asbestos cord simultaneously
Pressing plate is installed；It rotates housing pin and to cap locations and symmetrically compresses hold-down grid.
Internal dynamic and static ring fabrication and installation: by with a thickness of the steel plate of 12mm be cut into outer 825mm straight, internal diameter 628mm 2
A circle ring flat-plate, is first inserted in feed chute 2 for 1 annular slab, and weld its inner ring uniformly afterwards with 2 outer wall gap of feed chute
On 5 wall of cylinder of rod mill, rotating ring 4 is formed；It is inserted in another 1 ring flat-plate again to be welded on feed chute 2, forms 6,2 ring of stationary ring
Plate spaced radial is not more than 2mm.
Working principle and purposes
Genuine pressing plate is changed to stuffing box by the outside of feed chute and cylinder, real using 28 asbestos cord of diameter filling stuffing box internal plug
It compresses, and blanket gas is accessed into stuffing box lower end, the mesh for making gas play sealing full of stuffing box, block material, compensate automatically
's.Lesser 1 rotating ring of axial gap and 1 stationary ring is respectively welded in charging flow tube and inner barrel, for blocking flow direction of material
Feed inlet.
Production and installation
1, material: flavouring box production: the screw bolt of M24 × 80 6, the screw bolt of M16 × 60 6；12mm × 2 steel plate δ
㎡；650 steel pipe 0.5m of diameter;28 asbestos cord of diameter is a roll of；15 steel pipe 6m of diameter, 25 steel pipe 1m of diameter；1/2 ball valve 1；Directly
15 union of diameter 2.
2, stuffing box, sealing gas pipeline fabrication and installation: by the welding in parallel with M16 nut of M24 nut, by 650 pipeline ring of φ
To cutting 50mm width, M24 screw rod is welded on 650 outer wall of φ, and circumferentially 6 equal portions are distributed, by soldered ring
Pipe, which is cut open, is inserted in feed chute, is welded on feed inlet after mobile endless tube and elephant trunk outer wall circumference are equidistant centered on feed chute
Wall.4 gas-distributing pipes are placed at stuffing box edge slot and keep the gap 3mm.Stuffing box filling asbestos cord simultaneously installs pressing plate.Turn
Dynamic housing pin to cap locations and symmetrically compresses hold-down grid.
3, internal dynamic and static ring fabrication and installation: by with a thickness of the steel plate of 12mm be cut into outer 825mm straight, internal diameter 628mm 2
A circle ring flat-plate, is first inserted in feed chute for 1 annular slab, and makes to be welded on grinding machine after its inner ring and elephant trunk outer wall gap are uniform
On barrel wall (rotating ring).It is inserted in another 1 ring flat-plate again to be welded on elephant trunk (stationary ring), 2 ring flat-plate spaced radials are not more than 2mm.
Using effect
It the use of 7 days leakage rates of rear grinding machine continuous operation is about 0.1 cubic metre/day, leakage rate is hardly leaked close to 0 per hour.
Benefit
1, social benefit: solving site problems, reduces the pollution of workshop coal dust, improves operating environment, set up Shaanxi
Build goodwill.
2, economic benefit: the former grinding machine morning, afternoon be respectively necessary for 2 people clear cleaning 1 hour, the moon cost of labor are as follows: 2 people ×
1/4 day × 150 yuan/man day × 30 day=2250 yuan, year cost of labor are as follows: 2250 yuan × 12 months=27000 yuan.
Material loss machinery repeats to process: it consumes 4.8 cubic metres × 30 days × 5.5 yuan/cubic metre=792 yuan the moon, consumes in year:
792 × 12=9504 yuan.
Adding up to after technological transformation can save every year: 27000+9504 >=36504 yuan.
Claims (6)
1. a kind of rod mill feed chute and cylinder seal assembly, including using stuffing box (1) of 28 asbestos cord of Ф as filler,
It is characterized by: the stuffing box (1) is set to the outside of the feed chute (2) of rod mill, the stuffing box (1) is also using close
It seals gas pipeline (3) and accesses blanket gas, make blanket gas gas full of stuffing box (1).
2. a kind of rod mill feed chute and cylinder seal assembly as described in claim 1, it is characterised in that: further include position phase
(1) a stationary ring (6) for being set to internal (1) a rotating ring (4) of feed chute (2) and being set to cylinder (5) inside answered, it is described
Spaced radial between rotating ring (4) and stationary ring (6) is not more than 2mm.
3. a kind of rod mill feed chute and cylinder seal assembly as described in claims 1 or 2 is any, it is characterised in that: described
Stuffing box (1) is welded in the outside of the feed chute (2) of the rod mill by nut.
4. a kind of rod mill feed chute and cylinder seal assembly as claimed in claim 3, which is characterized in that the stuffing box
(1) and sealing gas pipeline (3) needed for material: the screw bolt of M24 × 80 6, the screw bolt of M16 × 60 6；Steel plate δ
12mm×2㎡；650 steel pipe 0.5m of Ф;28 asbestos cord of Ф is a roll of；15 25 steel pipe 1m of steel pipe 6m, Ф of Ф；1/2 ball valve 1；Ф15
Union 2.
5. a kind of rod mill feed chute and cylinder seal assembly as claimed in claim 4, which is characterized in that the stuffing box
(1) and gas pipeline (2) fabrication and installation are sealed: by the welding in parallel with M16 nut of M24 nut, 650 pipeline circumferential direction of φ is cut into 50mm
M24 screw rod is welded on 650 outer wall of φ by width, and circumferentially 6 equal portions are distributed, and cut soldered endless tube open set
Enter feed chute (2), be welded on after mobile endless tube and feed chute (2) outer wall circumference are equidistant centered on feed chute (2) into
Material mouth wall；4 gas-distributing pipes are placed at stuffing box (1) edge slot and keep the gap 3mm；Stuffing box (1) fills asbestos cord simultaneously
Pressing plate is installed；It rotates housing pin and to cap locations and symmetrically compresses hold-down grid.
6. a kind of rod mill feed chute and cylinder seal assembly as claimed in claim 3, which is characterized in that the inside is dynamic,
Stationary ring fabrication and installation: it will be cut into 2 round ring flat-plates of outer 825mm straight, internal diameter 628mm with a thickness of the steel plate of 12mm, first will
(1) a annular slab is inserted in feed chute (2), and makes to be welded on rod mill after its inner ring and feed chute (2) outer wall gap are uniform
Cylinder (5) wall on, formed rotating ring (4)；It is inserted in another 1 ring flat-plate again to be welded on feed chute (2), is formed stationary ring (6), 2 rings
Plate spaced radial is not more than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542567.6A CN109482289A (en) | 2018-12-17 | 2018-12-17 | A kind of rod mill feed chute and cylinder seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542567.6A CN109482289A (en) | 2018-12-17 | 2018-12-17 | A kind of rod mill feed chute and cylinder seal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109482289A true CN109482289A (en) | 2019-03-19 |
Family
ID=65710420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811542567.6A Withdrawn CN109482289A (en) | 2018-12-17 | 2018-12-17 | A kind of rod mill feed chute and cylinder seal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109482289A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437936A (en) * | 2020-04-07 | 2020-07-24 | 陈一芳 | Recycling and reprocessing process of foaming insulation board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2807170Y (en) * | 2005-05-16 | 2006-08-16 | 锦西化工机械(集团)有限责任公司 | Sealing device for feeding of rotary dryer |
| CN201263993Y (en) * | 2008-08-27 | 2009-07-01 | 济南重工股份有限公司 | Device for sealing feeding of ball mill |
| CN201714984U (en) * | 2010-07-28 | 2011-01-19 | 河南省远洋铝业有限公司 | Blowback labyrinth seal for centrifugal classifier |
| CN102441468A (en) * | 2011-09-14 | 2012-05-09 | 鞍钢集团矿业公司 | Device for preventing ball mill feeding end from pouring ore |
| CN102489365A (en) * | 2011-12-30 | 2012-06-13 | 苏州市东立机械有限公司 | Bowl mill bucket wheel and feed inlet sealing device |
| CN203756995U (en) * | 2014-03-07 | 2014-08-06 | 鞍钢集团矿业公司 | Feeding sealing device of ball grinding mill |
| CN205361520U (en) * | 2015-11-18 | 2016-07-06 | 重庆市南桐特种水泥有限责任公司 | Tube mill |
| CN206199420U (en) * | 2016-11-11 | 2017-05-31 | 大唐环境产业集团股份有限公司 | wet ball mill sealing structure |
| CN206356072U (en) * | 2016-12-28 | 2017-07-28 | 云南华联锌铟股份有限公司 | A kind of new feed inlet of globe mill seal assembly |
| CN209393281U (en) * | 2018-12-17 | 2019-09-17 | 陕西化建工程有限责任公司 | A kind of rod mill feed chute and cylinder seal assembly |
-
2018
- 2018-12-17 CN CN201811542567.6A patent/CN109482289A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2807170Y (en) * | 2005-05-16 | 2006-08-16 | 锦西化工机械(集团)有限责任公司 | Sealing device for feeding of rotary dryer |
| CN201263993Y (en) * | 2008-08-27 | 2009-07-01 | 济南重工股份有限公司 | Device for sealing feeding of ball mill |
| CN201714984U (en) * | 2010-07-28 | 2011-01-19 | 河南省远洋铝业有限公司 | Blowback labyrinth seal for centrifugal classifier |
| CN102441468A (en) * | 2011-09-14 | 2012-05-09 | 鞍钢集团矿业公司 | Device for preventing ball mill feeding end from pouring ore |
| CN102489365A (en) * | 2011-12-30 | 2012-06-13 | 苏州市东立机械有限公司 | Bowl mill bucket wheel and feed inlet sealing device |
| CN203756995U (en) * | 2014-03-07 | 2014-08-06 | 鞍钢集团矿业公司 | Feeding sealing device of ball grinding mill |
| CN205361520U (en) * | 2015-11-18 | 2016-07-06 | 重庆市南桐特种水泥有限责任公司 | Tube mill |
| CN206199420U (en) * | 2016-11-11 | 2017-05-31 | 大唐环境产业集团股份有限公司 | wet ball mill sealing structure |
| CN206356072U (en) * | 2016-12-28 | 2017-07-28 | 云南华联锌铟股份有限公司 | A kind of new feed inlet of globe mill seal assembly |
| CN209393281U (en) * | 2018-12-17 | 2019-09-17 | 陕西化建工程有限责任公司 | A kind of rod mill feed chute and cylinder seal assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437936A (en) * | 2020-04-07 | 2020-07-24 | 陈一芳 | Recycling and reprocessing process of foaming insulation board |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190319 |