CN104998727B - efficient Raymond mill - Google Patents
efficient Raymond mill Download PDFInfo
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- CN104998727B CN104998727B CN201510506413.1A CN201510506413A CN104998727B CN 104998727 B CN104998727 B CN 104998727B CN 201510506413 A CN201510506413 A CN 201510506413A CN 104998727 B CN104998727 B CN 104998727B
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- raymond mill
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- 239000000463 material Substances 0.000 claims abstract description 47
- 208000028804 PERCHING syndrome Diseases 0.000 claims abstract description 18
- 244000309464 bull Species 0.000 claims abstract description 12
- 238000010992 reflux Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000000843 powder Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a kind of efficient raymond mill, including support and outer cylinder body, outer cylinder body top is equipped with grader, and classifying turbine is located at outer cylinder body inner cavity top；Support inner chamber bottom is connected with axle bed, and main shaft is rotatably connected in axle bed, and main shaft upper end stretches into outer barrel intracoelomic cavity, lower end and passes support, and main shaft upper end is connected with grinding roller support, and shaft of grinding roller is hinged with grinding roller support, and the lower end of shaft of grinding roller is equipped with grinding roller；Support inner chamber top is connected with the bull ring that can coordinate with grinding roller；The chamber section that support inner chamber is located between bull ring and axle bed is shovel material chamber, and shovel material is provided with the perching knife rotating disk for being fixed on main shaft and being connected with perching knife in chamber, and outer cylinder body is provided with charging aperture；Axle bed is provided with fresh air inlet, and the fresh air inlet will shovel material chamber and connect to realize the bottom air inlet of raymond mill with the exterior space of support bottom.The machine intake resistance is small, it is possible to decrease energy consumption；Crossing for material can be reduced to crush, crush efficiency is high；Noise is small.
Description
Technical field
The present invention relates to a kind of plant equipment of comminuting matter, and in particular to a kind of raymond mill.
Background technology
Raymond mill is one of widest equipment of nonmetallic mineral processed and applied, existing raymond mill it is basic
Structure is as follows：Including be provided with axially through inner chamber support, connector drum on support, the top of cylinder is equipped with grader, point
The classifying turbine position cylinder lumen top of level machine；Support inner chamber bottom is connected with axle bed, and main shaft, main shaft are rotatably connected in axle bed
Stretch into cylinder lumen, lower end and pass support and can be with drive device power connector in upper end；Main shaft upper end is connected with grinding roller support, mill
Many shaft of grinding roller are hinged with roller support, the lower end of the shaft of grinding roller is equipped with grinding roller；Support inner chamber top be connected with can with it is described
Grinding roller coordinates to realize the bull ring of crushing material；The chamber section that support inner chamber is located between bull ring and axle bed is shovel material chamber, shovel material chamber
Inside it is provided with and is fixed on main shaft and outward flange is connected with the perching knife rotating disk of perching knife, the side wall in shovel material chamber is provided with fresh air inlet, cylinder
It is provided with charging aperture.
The existing raymond mill of said structure is primarily present following defect：First, the side in shovel material chamber is located at due to fresh air inlet
On wall, air inlet mode is sidepiece air intake, i.e., from support neighboring air intake, wind direction ecto-entad, and the perching knife of Raymond mill works
When, treat grind materials particle under the influence of centrifugal force, moved to peripheral direction and piled up, its direction of motion and air intake direction phase
Instead, cause air intake resistance excessive, or block peripheral intake passage, cause to divulge information resistance that is not smooth and increased system, increased
The power consumption of Raymond mill system；During usual Raymond mill system operation, air-flow operation consumed energy accounts for the half of system total energy consumption, drop
Low-flow power consumption is the important channel for reducing the power consumption of Raymond mill system.2nd, the rotation such as grinding roller, grinding roller support causes the gas-solid for rising
Two phase flow rotates, and pulverized solid-phase material is subject to centrifugal action, is affixed to barrel, and drops back into disintegrating area along barrel and makes
Crushing is crossed into material, crush efficiency is reduced.3rd, grinding roller and bull ring hard hit produce noise, this noise to be reached by base
Cylinder, is radiated in air, and noise is directly transmitted, and causes noise excessive.
The content of the invention
One of the technical problem to be solved in the present invention is directed to drawbacks described above one, there is provided a kind of air intake resistance is small, energy consumption is low
Raymond mill.
In order to solve the above technical problems, the invention provides a kind of raymond mill of following structure, including it is provided with axial direction
The support of the inner chamber of insertion, is provided with outer cylinder body above support, the top of outer cylinder body is equipped with grader, the classifying turbine of grader
Positioned at outer cylinder body inner cavity top；Support inner chamber bottom is connected with axle bed, and main shaft is rotatably connected on axle bed, and main shaft upper end is stretched into outer
Cylinder lumen, lower end pass support and can be with drive device power connector；Main shaft upper end is connected with grinding roller support, on grinding roller support
Many shaft of grinding roller are hinged with, the lower end of the shaft of grinding roller is equipped with grinding roller；Support inner chamber top is connected with can be coordinated with the grinding roller
To realize the bull ring of crushing material；The chamber section that support inner chamber is located between bull ring and axle bed is shovel material chamber, and shovel material is provided with solid in chamber
It is connected on main shaft and outward flange is connected with the perching knife rotating disk of perching knife, outer cylinder body is provided with charging aperture；Its design feature is：It is described
Axle bed is provided with fresh air inlet, and the fresh air inlet will shovel material chamber and connect to realize raymond mill with the exterior space of support bottom
Bottom air inlet.
In order that air intake is more smooth, ring is furnished with spaced multi-disc screen, multi-disc on the bottom surface of the perching knife rotating disk
When screen is rotated with perching knife rotating disk, fanning effect can be formed, advantageously in air intake.
Used as the specific implementation of screen shape, the screen is straight panel or arc.
The second technical problem to be solved by the present invention is directed to drawbacks described above two, there is provided one kind can reduce material cross crush into
And improve the raymond mill of crush efficiency.
In order to solve the above-mentioned technical problem, the present invention has done following improvement on the basis of above-mentioned technical proposal：It is described outer
The enclosure is provided with cylinder in grinding roller bracket outer and the inner barrel of both ends open, inner barrel links together and the two with outer cylinder body
Between leave radial clearance so as to form reflux passage；Spacer ring is furnished with the vertically arranged water conservancy diversion of polylith on the internal face of inner barrel
Plate, leaves axial setpoint distance between inner barrel lower end and outer cylinder body lower end.
The material dished out to be conducive to being graded impeller enters reflux passage, and the inner barrel is by the straight section of bottom and upper
The cone section in portion is constituted.The setting of upper cone section can make reflux passage top formation one expand area, and more conducively material enters and backflows
Passage.
For the flow direction of material classifying turbine being more beneficial for after crushing and be graded the material that impeller dishes out enter backflow it is logical
Road, the close inner barrel upper port setting in the classifying turbine lower end, or classifying turbine lower end are stretched into interior through inner barrel upper port
To setting position in cylinder.
The third technical problem to be solved by the present invention is directed to drawbacks described above three, there is provided a kind of small raymond grinding powder of noise
Machine.
In order to solve the above-mentioned technical problem, the present invention has done following improvement on the basis of above-mentioned technical proposal：It is described outer
Setting gap is left between cylinder lower end and support top surface, outer cylinder body is connected in support meanss.
In order to further reduce noise, the support is in the geosyncline of underground.
For the ease of the movement of outer cylinder body, facilitate the maintenance of machine, the support meanss are using rotatable liftable branch
Support arrangement.
Used as a kind of specific implementation, the support meanss include being located at the pillar on the outside of outer cylinder body, are connected on pillar
Have for support base that is being connected with outer cylinder body and being slided up and down along pillar and be rotated around pillar, post top portion is connected with can be turned
Dynamic revolving bed, equipped with the leading screw being spirally connected with support base on revolving bed, leading screw is driven by the lifting power plant on revolving bed
It is dynamic.
The present invention realizes bottom air inlet by setting fresh air inlet on axle bed, and material is under perching knife effect in shovel material chamber
Piled up to the periphery, and air inlet is passed through by shovel material chamber inner periphery, material does not produce obstruction；Perching knife kick up material when, material fortune
Dynamic direction is consistent with airintake direction, and resistance is smaller, thus capable of reducing energy consumption.
The present invention is provided with inner barrel in outer cylinder body, and ring is furnished with the vertically arranged water conservancy diversion of polylith on the internal face of inner barrel
Plate, when Raymond mill runs, Dual-Phrase Distribution of Gas olid rotation rises to air deflector, in the presence of deflector, is cut into and does not revolve
The Dual-Phrase Distribution of Gas olid straight up for turning, is effectively reduced the sedimentation of the material being crushed, and reduces material and crosses crushing, so as to carry
Crush efficiency high.
Outer cylinder body of the invention leaves support certain distance, and the two no longer links together, and the noise that noise source is produced is not
Directly can outwards be transmitted by outer cylinder body upwards, be effectively reduced noise；And support is mounted in below ground, greatly can be to noise
Noise reduction is carried out, then can further reduce noise.
In sum, the advantage of the invention is that：Intake resistance is small, it is possible to decrease energy consumption；Crossing for material can be reduced to crush, powder
Broken efficiency high；Noise is small.
Brief description of the drawings
Specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is structural representation of the invention；
Fig. 2 is a kind of attachment structure schematic diagram of the screen of shape；
Fig. 3 is the attachment structure schematic diagram of the screen of another shape；
Fig. 4 is the attachment structure schematic diagram of inner barrel and outer cylinder body；
Fig. 5 is arrangement schematic diagram of the fresh air inlet on axle bed.
Specific embodiment
As shown in figure 1, efficiently raymond mill includes support 1, support 1 is fixed in geosyncline by foundation bolt, support 1
Top surface try one's best and ground holding level, in order to install maintenance.The top of support 1 is provided with outer cylinder body 2, and outer cylinder body 2 is connected to
In support meanss, the gap of setting is left between the lower end of outer cylinder body 2 and the top surface of support 1；The size in the gap with its intake not
Whole machine work is influenceed to be limited, as far as possible using small―gap suture；The setting in the gap can block noise and be transmitted from support to outer cylinder body, with
Noise is reduced from outer cylinder body to external diffusion.The support meanss are rotatable liftable support meanss, including are located at outer cylinder body 2
The pillar 18 in outside, is connected with for being connected with outer cylinder body 2 and can be slided up and down along pillar 18 and around pillar 18 on pillar 18
The support base 19 of rotation, the top of pillar 18 is connected with rotatable revolving bed 20, and revolving bed 20 with support base 19 equipped with being spirally connected
Leading screw 21, leading screw 21 is that lifting motor 22 drives by the lifting power plant on revolving bed 20.Leading screw 21 is rotated and can ordered about
Support base 19 rises along pillar 18, and outer cylinder body 2 is lifted, and then promotes outer cylinder body 2 to be allowed to angle away, in order to safeguard
Work；Safeguard and complete to reset outer cylinder body 2.In addition to the support meanss of said structure, the present invention can also use prior art
In any outer cylinder body 2 can be lifted and make it to leave or can leave the support meanss of original position.The top of outer cylinder body 2 is equipped with to be divided
Level machine, grader is existing product, specifically can be using the grader of following structure, and it includes being connected to the top box of outer cylinder body 2
23, cabinet 23 is provided with inlet and outlet 28, and import and the inner space of outer cylinder body 2 of cabinet 23 are connected with grading shaft in cabinet 23
24, on grading shaft 24 equipped with positioned at the inner cavity top of outer cylinder body 2 classifying turbine 3, grading shaft 24 be connected on cabinet 23 point
The level power connector of motor 25.
Reference picture 1, is provided with axial lumen therethrough i.e. axially extending bore in support 1, axially extending bore by from it is lower and on set gradually
Four different-diameters hole section constitute, by it is lower and on be followed successively by aperture section, secondary aperture section, secondary big hole section and big hole section so that
The step of upper, middle and lower three is formed, the inner chamber bottom of support 1 is to be connected with axle bed 4 in time aperture section, and master is rotatably connected on axle bed 4
Axle 5, the upper end of main shaft 5 stretches into the inner chamber of outer cylinder body 2, lower end and passes support 1, and it is to crush motor that the lower end of main shaft 5 is used for drive device
（Omitted in figure）Power connector.The upper end of main shaft 5 is connected with grinding roller support 6, and many shaft of grinding roller 7 are hinged with grinding roller support 6, described
The lower end of shaft of grinding roller 7 is equipped with grinding roller 8.The inner chamber top of support 1 is to be connected with to coordinate to realize thing with the grinding roller 8 in big hole section
The broken bull ring 9 of feed powder.The chamber section i.e. time big hole section that the inner chamber of support 1 is located between bull ring 9 and axle bed 4 is shovel material chamber 10, shovel material chamber
It is provided with 10 and is fixed on main shaft 5 and outward flange is connected with the perching knife rotating disk 11 of perching knife 12.Fig. 5 is referred again to, is set on the axle bed 4
There are multiple fresh air inlets 13, the fresh air inlet 13 will shovel material chamber 10 and connect to realize raymond grinding powder with the exterior space of the bottom of support 1
The bottom air inlet of machine.Ring is furnished with spaced multi-disc screen 14 on the bottom surface of the perching knife rotating disk 11, and multi-disc screen 14 is with shovel
When swivel disk 11 is rotated, fanning effect can be formed, advantageously in air intake.The screen 14 can use as shown in Figure 2 for straight
Plate, or arc as shown in Figure 3.
Reference picture 1 simultaneously combines Fig. 4, and the enclosure is provided with the outer cylinder body 2 in the outside of grinding roller support 6 and the inner cylinder of both ends open
Body 15, inner barrel 15 is linked together with outer cylinder body 2 by the connecting plate 26 that polylith spacer ring sets, inner barrel 15 and outer cylinder body 2
Therebetween radial clearance is left so as to form reflux passage 16；Spacer ring is furnished with polylith and vertically sets on the internal face of inner barrel 15
The deflector 17 put；Axial setpoint distance is left between the lower end of inner barrel 15 and the lower end of outer cylinder body 2, is beneficial to material and is flowed into crushing
Area, the cylinder section that outer cylinder body 2 is located at below the lower end of inner barrel 15 is that the cylinder section corresponding to axial setpoint distance is provided with charging aperture 27.
The inner barrel 15 is made up of the straight section of bottom and the cone section on top, and the setting of upper cone section can make reflux passage top form one
Individual to expand area, more conducively material enters reflux passage.In order to be more beneficial for the flow direction of material classifying turbine after crushing and be graded
The material that impeller is dished out enters reflux passage, and the lower end of the classifying turbine 3 is set near the upper port of inner barrel 15, or classifying turbine
Stretched into inner barrel 15 to setting position through the upper port of inner barrel 15 3 lower ends.
Reference picture 1, the working method of the raymond mill of said structure is as described below.By the outlet and dedusting of grader
Device（Such as cyclone dust collectors or sack cleaner）Connected with air-introduced machine, start air-introduced machine, crush motor and classification motor 25,
Material is added and enter shovel from charging aperture 27 and expects chamber 10, the perching knife 12 of rotation kicks up material, main shaft 5 is rotated then realizes mill
Roller 8 swings, and grinding roller 8 coordinates with bull ring 9 can be by material grinding, in the presence of air-introduced machine, and wind enters from raymond grinding powder motor spindle,
The material being grated flows to classifying turbine 3 with air-flow rising, and the material grain for meeting Particle size requirements enters in classifying turbine 3 and through classification
The outlet 28 of machine flows into deduster and enters promoting the circulation of qi, dirt separation.Do not meet Particle size requirements material grain be then thrown into by classifying turbine 3 backflow it is logical
Road 16, flows back to disintegrating area and continues to participate in crushing through reflux passage 16.
Claims (10)
1. a kind of efficient raymond mill, including be provided with axially through inner chamber support（1）, support（1）Top be provided with outer
Cylinder（2）, outer cylinder body（2）Top be equipped with grader, the classifying turbine of grader（3）Positioned at outer cylinder body（2）Inner cavity top；Machine
Seat（1）Inner chamber bottom is connected with axle bed（4）, axle bed（4）On be rotatably connected to main shaft（5）, main shaft（5）Stretch into outer cylinder body in upper end
（2）Inner chamber, lower end pass support（1）And with drive device power connector；Main shaft（5）Upper end is connected with grinding roller support（6）, grinding roller
Support（6）On be hinged with many shaft of grinding roller（7）, the shaft of grinding roller（7）Lower end be equipped with grinding roller（8）；Support（1）Inner chamber top is consolidated
It is connected to and the grinding roller（8）Coordinate to realize the bull ring of crushing material（9）；Support（1）Inner chamber is located at bull ring（9）And axle bed（4）
Between chamber section for shovel material chamber（10）, shovel material chamber（10）Inside it is provided with and is fixed in main shaft（5）Go up and outward flange is connected with perching knife（12）
Perching knife rotating disk（11）, outer cylinder body（2）It is provided with charging aperture（27）；It is characterized in that：The axle bed is provided with fresh air inlet（13）,
The fresh air inlet（13）By shovel material chamber（10）With support（1）The exterior space of bottom connects to realize that the bottom of raymond mill is entered
Wind.
2. efficient raymond mill according to claim 1, it is characterised in that：The perching knife rotating disk（11）Bottom surface on ring
It is furnished with spaced multi-disc screen（14）.
3. efficient raymond mill according to claim 2, it is characterised in that：The screen（14）It is straight panel or arc
Plate.
4. efficient raymond mill according to claim 1, it is characterised in that the outer cylinder body（2）The enclosure is inside provided with mill
Roller support（6）The inner barrel of outside and both ends open（15）, inner barrel（15）With outer cylinder body（2）Link together and therebetween
Radial clearance is left so as to form reflux passage（16）；Inner barrel（15）Internal face on spacer ring to be furnished with polylith vertically arranged
Deflector（17）, inner barrel（15）Lower end and outer cylinder body（2）Axial setpoint distance is left between lower end.
5. efficient raymond mill according to claim 4, it is characterised in that：The inner barrel（15）By the straight section of bottom
Cone section with top is constituted.
6. efficient raymond mill according to claim 4, it is characterised in that：The classifying turbine（3）Lower end is in
Cylinder（15）Upper port is set, or classifying turbine（3）Lower end passes through inner barrel（15）Upper port stretches into inner barrel（15）Inside to setting
Positioning is put.
7. the efficient raymond mill according to any claim in claim 1-6, it is characterised in that：The outer cylinder body
（2）It is connected in support meanss, outer cylinder body（2）Lower end and support（1）Setting gap is left between top surface.
8. efficient raymond mill according to claim 7, it is characterised in that：The support（1）Mounted in underground
In geosyncline.
9. efficient raymond mill according to claim 7, it is characterised in that：The support meanss are rotatable liftable
Support meanss.
10. efficient raymond mill according to claim 9, it is characterised in that：The support meanss include being located at outer barrel
Body（2）The pillar in outside（18）, pillar（18）On be connected with for outer cylinder body（2）Connection and can be along pillar（18）Upper downslide
Move and around pillar（18）The support base of rotation（19）, pillar（18）Top is connected with rotatable revolving bed（20）, revolving bed
（20）It is upper to be equipped with and support base（19）The leading screw being spirally connected（21）, leading screw（21）By mounted in revolving bed（20）On lifting power plant
Drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506413.1A CN104998727B (en) | 2015-08-18 | 2015-08-18 | efficient Raymond mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506413.1A CN104998727B (en) | 2015-08-18 | 2015-08-18 | efficient Raymond mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104998727A CN104998727A (en) | 2015-10-28 |
| CN104998727B true CN104998727B (en) | 2017-05-31 |
Family
ID=54371741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510506413.1A Active CN104998727B (en) | 2015-08-18 | 2015-08-18 | efficient Raymond mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN104998727B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109304072A (en) * | 2018-08-17 | 2019-02-05 | 江苏火焰山干燥技术有限公司 | A kind of dedicated chalk dust removal machine of high-efficiency sand making |
| CN111250222B (en) * | 2020-02-16 | 2021-08-24 | 曲阜市铸造材料厂 | Raymond mill for ore crushing |
| CN113070146A (en) * | 2021-04-15 | 2021-07-06 | 许世国 | Raymond mill for bentonite processing and sand discharge purification and purification process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3560029B2 (en) * | 2001-12-05 | 2004-09-02 | 川崎重工業株式会社 | Vertical mill |
| CN2780322Y (en) * | 2005-05-08 | 2006-05-17 | 河南黎明路桥重工有限公司 | Through type centrifugal grinder |
| CN2868417Y (en) * | 2006-01-23 | 2007-02-14 | 上海建设路桥机械设备有限公司 | Bedding and shovelling device for pendulum flour mill |
| CN203209121U (en) * | 2013-03-18 | 2013-09-25 | 新疆新路标光伏材料有限公司 | Raymond mill |
| CN204911648U (en) * | 2015-08-18 | 2015-12-30 | 潍坊市精华粉体工程设备有限公司 | High -efficient lei meng milling machine |
-
2015
- 2015-08-18 CN CN201510506413.1A patent/CN104998727B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3560029B2 (en) * | 2001-12-05 | 2004-09-02 | 川崎重工業株式会社 | Vertical mill |
| CN2780322Y (en) * | 2005-05-08 | 2006-05-17 | 河南黎明路桥重工有限公司 | Through type centrifugal grinder |
| CN2868417Y (en) * | 2006-01-23 | 2007-02-14 | 上海建设路桥机械设备有限公司 | Bedding and shovelling device for pendulum flour mill |
| CN203209121U (en) * | 2013-03-18 | 2013-09-25 | 新疆新路标光伏材料有限公司 | Raymond mill |
| CN204911648U (en) * | 2015-08-18 | 2015-12-30 | 潍坊市精华粉体工程设备有限公司 | High -efficient lei meng milling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104998727A (en) | 2015-10-28 |
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Effective date of registration: 20170904 Address after: 262100, Weifang, Shandong, Anqiu province Xin'an Street on the eastern side of the central Jiangxi Road Patentee after: SHANDONG DALIER HEAVY INDUSTRY Co.,Ltd. Address before: Yatou Industrial Park Hill Town 262100 Shandong city of Weifang province Changle County camp Patentee before: WEIFANG JINGHUA POWDER ENGINEERING EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20191107 Address after: 262400 Yatou Industrial Park, Atto Town, Changle County, Weifang City, Shandong Province Patentee after: WEIFANG JINGHUA POWDER ENGINEERING EQUIPMENT Co.,Ltd. Address before: 262100, Weifang, Shandong, Anqiu province Xin'an Street on the eastern side of the central Jiangxi Road Patentee before: SHANDONG DALIER HEAVY INDUSTRY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High efficiency Raymond Mill Effective date of registration: 20211230 Granted publication date: 20170531 Pledgee: Postal Savings Bank of China Limited Changle County sub branch Pledgor: WEIFANG JINGHUA POWDER ENGINEERING EQUIPMENT Co.,Ltd. Registration number: Y2021980016905 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230907 Granted publication date: 20170531 Pledgee: Postal Savings Bank of China Limited Changle County sub branch Pledgor: WEIFANG JINGHUA POWDER ENGINEERING EQUIPMENT Co.,Ltd. Registration number: Y2021980016905 |