CN209926839U - Two-gear supporting cement rotary kiln - Google Patents
Two-gear supporting cement rotary kiln Download PDFInfo
- Publication number
- CN209926839U CN209926839U CN201920627151.8U CN201920627151U CN209926839U CN 209926839 U CN209926839 U CN 209926839U CN 201920627151 U CN201920627151 U CN 201920627151U CN 209926839 U CN209926839 U CN 209926839U
- Authority
- CN
- China
- Prior art keywords
- kiln
- supporting
- cement rotary
- barrel
- wheel
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model relates to a two grades of supporting cement rotary kilns, two grades of supporting cement rotary kilns select two grades of supporting short kilns of novel dry process as the production kiln, select the position of resistant firebrick material for use respectively for feed end kiln tail, general area, transition zone, burning zone and discharge end kilneye, and the refractory clay brick material is selected for use to the feed end kiln tail, and high alumina brick material is selected for use in general area, and magnesium chrome brick material is selected for use to the transition zone, and dolomite brick material is selected for use to the burning zone, and the aluminium brick material is selected for use to the discharge end kilneye. The utility model discloses a rotary cement kiln has advantages such as the clinker quality of the few, production of energy consumption is better, equipment reliability improves, has made the improvement to potential safety hazard and the structural design problem that exist when present rotary cement kiln operates.
Description
Technical Field
The utility model relates to a rotary cement kiln field especially relates to a two shelves supporting rotary cement kilns.
Background
Compared with a long kiln with three grades or more, the two-grade short kiln has great advantages, and the two-grade short kiln consumes less energy. Compared with a three-gear long kiln, the length of the transition section of the two-gear short kiln is shorter than that of the three-gear kiln, and the time for materials to pass through the transition section of the rotary kiln is shorter, so that the heating process of the materials is accelerated.
The clinker produced by the short kiln has better quality, the quantity of the refractory bricks needed by the two short kilns is less, and the damage to the refractory bricks is less.
The reliability of the device is improved, and the overload of the machine parts is avoided. After the three-gear support is changed into the two-gear support, the structure is changed from a static system to a static system.
The two-grade short kiln reduces the capital investment. Compared with a three-gear long kiln, the two-gear novel short kiln has the advantages that under the same process conditions, the inner diameter of the cylinder is larger, but the length is shortened, the number of supports is obviously reduced, the weight of the whole kiln can be reduced by more than 14%, and accordingly the investment of the whole kiln is greatly reduced.
The two-grade short kiln can effectively reduce energy, reduce investment cost and steel consumption, and can improve the production benefit of enterprises.
SUMMERY OF THE UTILITY MODEL
In order to solve the potential safety hazard and the structural design problem that exist when present cement rotary kiln operates, the utility model provides a two grades of supporting cement rotary kilns selects the support form of cement rotary kiln to be two grades, makes the energy consumption of consumption reduce, and the quantity of required resistant firebrick is less, and the damage to resistant firebrick is less some, and the effectual energy that reduces, reduces investment cost and the consumption of steel, can improve the productivity effect of enterprise, for this purpose, the utility model provides a two grades of supporting cement rotary kilns, including barrel, front side rolling ring, middle part ring gear, rear side rolling ring, front side riding wheel, auxiliary gear, rear side riding wheel, resistant firebrick and fan, two grades of supporting cement rotary kilns are fixed and are adopted two grades of supporting on corresponding ground;
the kiln comprises a barrel, a fan, a middle gear ring, a front side rolling ring, a rear side rolling ring, a front side riding wheel, a rear side riding wheel, an auxiliary gear, a middle gear ring, a rear side rolling ring, a front side riding wheel, a rear side riding wheel, a middle gear ring, an auxiliary gear, a refractory brick, a kiln head feeding end, a kiln tail discharging end, a front side rolling ring, a middle gear ring, a rear side riding wheel, an auxiliary gear, a middle gear ring, a refractory brick, a kiln tail discharging end, a kiln head discharging end;
the inner diameter of the cylinder is 5.2m, the thickness of the refractory bricks is 220mm, the effective inner diameter of the kiln is 4.76m, the length-diameter ratio L/D of the cylinder support is 11.73, the filling rate of the material is 10%, and the rotating speed of the rotary cement kiln around the axis of the cylinder is 4 r/min;
the barrel of cement rotary kiln divide into and rolls circle section, changeover portion, firing zone section, kiln tail end and kiln head end, and each section thickness is 80mm for rolling circle section thickness respectively, and changeover portion thickness is 50mm, and firing zone section thickness is 38mm, and kiln tail end thickness is 32mm, and kiln head end thickness is 45mm, roll circle section adoption high-alumina brick as resistant firebrick, the changeover portion adopts the magnesite-chrome brick as resistant firebrick, the firing zone section adopts the dolomite brick as resistant firebrick, the kiln tail end adopts refractory clay brick as resistant firebrick, kiln head end adoption aluminium brick.
The utility model discloses a further improvement, the supporting feed end cantilever beam of kiln head feed end, 17m is selected to the feed end cantilever beam length, the supporting discharge end cantilever beam of kiln tail discharge end, 9m is selected to the discharge end cantilever beam length, 35m is selected to the span of the supporting feed end cantilever beam of kiln head feed end and the supporting discharge end cantilever beam of kiln tail discharge end, has guaranteed like this that cement raw material has sufficient time to turn into cement clinker when reducing the moment of flexure of middle barrel effectively and with bending stress, increases the distance between two supporting shelves and can reduce the moment of flexure effectively, increases the flexibility of barrel.
The utility model discloses a further improvement, the solid rectangle that ZG35CrMo was selected for use to the circle of rolling of circle and rear side ring is rolled to the front side rolls the circle, the riding wheel that has the bearing in ZG42CrMo is selected for use to the tow boat of front side riding wheel and rear side riding wheel, roll the high adoption 443mm of circle, the width of riding wheel adopts 1.10m, and this application rolls the circle and selects for use solid rectangle to roll the circle, and the material is ZG35CrMo, and the material of riding wheel is ZG42 CrMo. The height of the rolling ring is 443mm, and when the width of the rolling ring is determined, the contact stress is ensured to be in an allowable range. The stress between the rolling ring and the riding wheel is line contact of two cylinders, and in order to ensure that the maximum contact stress is in an allowable range, the width of the riding wheel is 1.10m according to calculation.
The utility model discloses a further improvement, bearing group and the axle bush of diameter adoption 840 mm's ZQAL9-4 that have 45 steel in the riding wheel, the material of cement rotary kiln riding wheel bearing group finally adopts 45 steel according to the metal material and the performance that the riding wheel axle was commonly used, should satisfy the calculation of condition according to axle bush lubricated condition, diameter of the axle bending strength condition, diameter of the axle bending stress, the material of axle bush is ZQAL9-4, and the diameter of axle bush adopts 840mm can satisfy relevant condition.
The utility model discloses a further improvement, the riding wheel is kept off through hydraulic pressure and is taken turns the device fixed, hydraulic pressure fender wheel cylinder and fender wheel that hydraulic pressure kept off the wheel device pass through the support to be fixed on the ground, keep off the wheel and corresponding the riding wheel both sides, the fender wheel of cement rotary kiln chooses for use hydraulic pressure fender wheel device, and the material is ZG40Cr, and allowable stress is 450Mpa, and the bearing code of chooseing for use is 382060's four-row tapered roller bearing. Compared with a mechanical catch wheel, the hydraulic catch wheel can better reduce the abrasion between the catch wheel and the rolling ring, and is higher in efficiency and more convenient. The thrust bearing load can bear both a large axial load and a small radial load train.
The utility model discloses a further improvement, the kiln head feed end adopts the spring-loaded clamp formula sealed, kiln tail discharge end adopts the cylinder type sealed, and the contrast tradition is radial sealed, and the sealed effect of end face type is better.
The utility model provides a two grades of supporting cement rotary kilns, two grades of supporting cement rotary kilns select novel dry process two grades of supporting short kilns as the production kiln, select the position of resistant firebrick material for use respectively for feed end kiln tail, general area, transition zone, burning zone and discharge end kilnekoff, and the rolling circle section adopts high-alumina brick as resistant firebrick, and the transition section adopts the magnesia-chrome brick as resistant firebrick, and the burning zone section adopts the dolomite brick as resistant firebrick, and the kiln tail end adopts refractory clay brick as resistant firebrick, and the kiln head end adopts the aluminium brick. The utility model discloses a rotary cement kiln has advantages such as the clinker quality of the few, production of energy consumption is better, equipment reliability improves, has made the improvement to potential safety hazard and the structural design problem that exist when present rotary cement kiln operates.
Drawings
FIG. 1 is a schematic illustration of the present application;
FIG. 2 is a second schematic diagram of the present application;
description of the drawings:
1. a kiln head feed end; 2. a barrel; 3. front side rolling rings; 4. a middle gear ring; 5. a rear side rolling ring; 6. a discharge end at the tail of the kiln; 7. a front riding wheel; 8. An auxiliary gear; 9. A rear riding wheel; 10. a refractory brick; 11. a fan; 12. and (5) foundation construction.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
the utility model provides a two grades of supporting cement rotary kilns selects the support form of cement rotary kiln to be two grades, makes the energy consumption of consumption than reducing, and required resistant firebrick's quantity will be less, and will be less to resistant firebrick's damage, effectual energy reduction reduces the consumption of investment cost and steel, can improve the productivity effect of enterprise.
The utility model provides a two-gear supporting cement rotary kiln as shown in figures 1 and 2, which comprises a barrel body 2, a front side rolling ring 3, a middle gear ring 4, a rear side rolling ring 5, a front side riding wheel 7, an auxiliary gear 8, a rear side riding wheel 9, a refractory brick 10 and a fan 11, wherein the two-gear supporting cement rotary kiln is fixed on a corresponding foundation by adopting two-gear supporting, the barrel body 2 is obliquely arranged, the front end of the barrel body 2 is a kiln head feeding end 1, the rear end of the barrel body 2 is a kiln tail discharging end 6, the front side rolling ring 3 is arranged at the front part of the barrel body 2, the middle gear ring 4 is arranged at the middle part of the barrel body 2, the rear side rolling ring 5 is arranged at the rear part of the barrel body 2, two sides at the bottom of the front side rolling ring 3 are respectively provided with a front side riding wheel 7, two sides at the bottom of the rear side rolling ring 5 are respectively provided with a rear side riding wheel 9, two sides at the bottom of the middle gear, refractory bricks 10 are laid on the inner ring of the cylinder 2, and the fan 11 is fixed on one side of the middle part of the cylinder 2 through a support.
The utility model discloses the support form of selecting rotary cement kiln is two shelves, makes the energy consumption of consumption than reducing, and required resistant firebrick's quantity will be less than a little, and will be less to resistant firebrick's damage, effectual energy reduction reduces the consumption of investment cost and steel, can improve the productivity effect of enterprise.
The utility model discloses get two grades of supporting short kilns of novel dry process as the production kiln, the effective internal diameter of getting the kiln is 4.76m, and the thickness of nai firebrick is 220mm, and 5.2m are got to the internal diameter of barrel and are satisfied the building materials industry standard of the people's republic of China (JC/T333) 2006.
The utility model discloses a rotary cement kiln feed end cantilever beam is long selects 17m, and 9m is selected to the discharge end cantilever beam length, and 35m is selected to the span, has also guaranteed when the moment of flexure of barrel and the bending stress in the middle of reducing effectively that cement raw material has sufficient time to turn into cement clinker, and the distance between the two supporting shelves of increase can reduce the moment of flexure effectively, increases the flexibility of barrel.
The utility model discloses a rotary cement kiln adopts draw ratio L/D to be 11.73, and 10% is got to the packing rate of material, and rotary cement kiln gets 4r/min around the rotatory speed of barrel axis, has guaranteed that cement raw can turn into cement clinker completely.
The utility model discloses a cement rotary kiln barrel position each section thickness is respectively for rolling circle section thickness and be 80mm, and changeover portion thickness is 50mm, and the firing zone section thickness is 38mm, and kiln tail end thickness is 32mm, and kiln head end thickness is 45 mm. Because the load that the barrel of rolling circle lower surface received is comparatively concentrated, the thickness of barrel should be the biggest, because the changeover portion is located rolling circle lower barrel both sides, it received the load also is bigger, burns the thickness of barrel steel sheet under the area and should be less than the thickness of changeover portion barrel, and the value should be as little as possible, and the load that general section bore is less, and the thickness of kiln head end barrel is thicker than general section a little, is less than changeover portion thickness again.
The utility model discloses a chooseing for use of rotary cement kiln each position firebrick material do not select for use the refractory clay brick material for the feed end kiln tail, and high-alumina brick material is selected for use in general area, and magnesium chromium brick material is selected for use in the transition zone, and dolomite brick material is selected for use in the burning zone, and the discharge end kilneye chooseed for use the aluminum brick material.
The utility model discloses a rotary cement kiln strutting arrangement, according to research and experiment, the subdivision formula is rolled the convenient transportation of circle, has nevertheless increaseed work load, and the rigidity is compared with whole rolling circle and is also declined a lot, and the rigidity of subdivision junction is worst, and consequently the axial fixity effect of subdivision formula rolling circle to the barrel will be poor a lot of than whole rolling circle, and consequently the rolling circle chooses for use solid rectangle rolling circle, and the material is ZG35CrMo, and the material of riding wheel is ZG42 CrMo. The height of the rolling ring is 443mm, and when the width of the rolling ring is determined, the contact stress is ensured to be in an allowable range. The stress between the rolling ring and the riding wheel is line contact of two cylinders, and in order to ensure that the maximum contact stress is in an allowable range, the width of the riding wheel is 1.10m according to calculation.
The utility model discloses a rotary cement kiln riding wheel bearing group's material adopts 45 steel, and the material of axle bush is ZQAL9-4, and the diameter of axle bush adopts 840 mm.
The utility model discloses a rotary cement kiln riding wheel bearing group's material is according to the metal material that the riding wheel axle was used commonly and the final 45 steel that adopts of performance, should satisfy the calculation of condition according to axle bush lubrication condition, diameter of axle bending strength condition, the crooked stress of diameter of axle, and the material of axle bush is ZQAL9-4, and the diameter of axle bush adopts 840mm can satisfy relevant condition.
The utility model discloses a rotary cement kiln's fender wheel chooses for use hydraulic pressure fender wheel device, and the material is ZG40Cr, and allowable stress is 450Mpa, and the bearing code of chooseing for use is 382060's four-row tapered roller bearing. Compared with a mechanical catch wheel, the hydraulic catch wheel can better reduce the abrasion between the catch wheel and the rolling ring, and is higher in efficiency and more convenient. The thrust bearing load can bear both a large axial load and a small radial load train.
The utility model discloses a rotary cement kiln's kiln head is sealed to be spring-loaded clamp formula, and the kiln tail is sealed to be cylinder type. Compared with radial type sealing, the sealing effect of end surface type sealing is better.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but also to cover any modifications or equivalent changes made in the technical spirit of the present invention, which fall within the scope of the present invention.
Claims (6)
1. A two-gear supporting cement rotary kiln comprises a cylinder body (2), a front side rolling ring (3), a middle gear ring (4), a rear side rolling ring (5), a front side riding wheel (7), an auxiliary gear (8), a rear side riding wheel (9), refractory bricks (10) and a fan (11), wherein the two-gear supporting cement rotary kiln is fixed on a corresponding foundation (12) and adopts two-gear supporting, and the two-gear supporting cement rotary kiln is characterized in that;
the kiln comprises a barrel (2), a kiln head feeding end (1) and a kiln tail discharging end (6), wherein the front end of the barrel (2) is arranged obliquely, the rear end of the barrel (2) is provided with a kiln head feeding end (1), the front part of the barrel (2) is provided with a front side rolling ring (3), the middle part of the barrel (2) is provided with a middle gear ring (4), the rear part of the barrel (2) is provided with a rear side rolling ring (5), two sides of the bottom of the front side rolling ring (3) are respectively provided with a front side riding wheel (7), two sides of the bottom of the rear side rolling ring (5) are respectively provided with a rear side riding wheel (9), two sides of the bottom of the middle gear ring (4) are respectively provided with an auxiliary gear (8), the middle gear ring (4) is meshed with the auxiliary gear (8), refractory bricks (10) are laid on the inner ring of the barrel (2), and;
the inner diameter of the cylinder (2) is 5.2m, the thickness of the refractory bricks is 220mm, the effective inner diameter of the kiln is 4.76m, the length-diameter ratio L/D of the support of the cylinder (2) is 11.73, the filling rate of the material is 10%, and the rotating speed of the rotary cement kiln around the axis of the cylinder is 4 r/min;
the cement rotary kiln is characterized in that a cylinder body (2) of the cement rotary kiln is divided into a rolling ring section, a transition section, a firing belt section, a kiln tail end and a kiln head end, the thickness of each section is 80mm, the thickness of the transition section is 50mm, the thickness of the firing belt section is 38mm, the thickness of the kiln tail end is 32mm, the thickness of the kiln head end is 45mm, the rolling ring section adopts high-alumina bricks as refractory bricks, the transition section adopts magnesia-chrome bricks as refractory bricks, the firing belt section adopts dolomite bricks as refractory bricks, the kiln tail end adopts refractory clay bricks as refractory bricks, and the kiln head end adopts aluminum bricks.
2. The two-stage supporting cement rotary kiln as claimed in claim 1, wherein: the kiln head feed end (1) supporting feed end cantilever beam, 17m is selected to the feed end cantilever beam length, the kiln tail discharge end (6) supporting discharge end cantilever beam, 9m is selected to the discharge end cantilever beam length, 35m is selected to the span of kiln head feed end (1) supporting feed end cantilever beam and the kiln tail discharge end (6) supporting discharge end cantilever beam.
3. The two-stage supporting cement rotary kiln as claimed in claim 1, wherein: the front side rolling ring (3) and the rear side rolling ring (5) are solid rectangular rolling rings of ZG35CrMo, the front side riding wheel (7) and the rear side riding wheel (9) are riding wheels of ZG42CrMo with bearings inside, the height of the rolling rings is 443mm, and the width of the riding wheels is 1.10 m.
4. A two-stage support cement rotary kiln as claimed in claim 3, wherein: a45-steel bearing set and a 840mm ZQAL9-4 bearing bush are arranged in the riding wheel.
5. A two-stage support cement rotary kiln as claimed in claim 3, wherein: the riding wheel is fixed through a hydraulic wheel blocking device, a hydraulic wheel blocking cylinder and a blocking wheel of the hydraulic wheel blocking device are fixed on a foundation (12) through a support, and the blocking wheel is arranged on two sides of the corresponding riding wheel.
6. The two-stage supporting cement rotary kiln as claimed in claim 1, wherein: the kiln head feeding end (1) is sealed in a spring pressing mode, and the kiln tail discharging end (6) is sealed in a cylinder mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627151.8U CN209926839U (en) | 2019-05-05 | 2019-05-05 | Two-gear supporting cement rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627151.8U CN209926839U (en) | 2019-05-05 | 2019-05-05 | Two-gear supporting cement rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209926839U true CN209926839U (en) | 2020-01-10 |
Family
ID=69089485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920627151.8U Expired - Fee Related CN209926839U (en) | 2019-05-05 | 2019-05-05 | Two-gear supporting cement rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209926839U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696687A (en) * | 2020-12-27 | 2021-04-23 | 上海域德环保工程有限公司 | Rotary kiln with middle air intake device |
| CN113131637A (en) * | 2021-04-13 | 2021-07-16 | 辽宁五寰特种材料与智能装备产业技术研究院有限公司 | Riding wheel permanent magnet driving system for drying kiln |
| CN113154872A (en) * | 2021-04-22 | 2021-07-23 | 重庆科技学院 | Low-temperature plasma combined rotary kiln |
-
2019
- 2019-05-05 CN CN201920627151.8U patent/CN209926839U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696687A (en) * | 2020-12-27 | 2021-04-23 | 上海域德环保工程有限公司 | Rotary kiln with middle air intake device |
| CN113131637A (en) * | 2021-04-13 | 2021-07-16 | 辽宁五寰特种材料与智能装备产业技术研究院有限公司 | Riding wheel permanent magnet driving system for drying kiln |
| CN113131637B (en) * | 2021-04-13 | 2023-11-24 | 辽宁五寰特种材料与智能装备产业技术研究院有限公司 | Riding wheel permanent magnet driving system for drying kiln |
| CN113154872A (en) * | 2021-04-22 | 2021-07-23 | 重庆科技学院 | Low-temperature plasma combined rotary kiln |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209926839U (en) | Two-gear supporting cement rotary kiln | |
| CN103801560B (en) | Two-roller reversible milling train adopts roll device and the technique of continuous cast round billets Rolling Production | |
| US11365099B2 (en) | Rope drum and method for the production thereof | |
| CN101579703A (en) | New technique for manufacturing high alloy steel seamless pipe with heavy calibre by adopting pilger mill | |
| CN101249508A (en) | Method for producing seamless steel pipe with reversible reciprocating periodic time hot rolling technique | |
| EA200802416A1 (en) | A ROLLED MILL WITH A SUPPORTED MOTOR, INTENDED FOR SEAMLESS PIPES | |
| CN201244575Y (en) | Roll profile of rotary rolling pipe mill | |
| US20120020594A1 (en) | Connection Component for Oil Film Bearings | |
| CN201983614U (en) | External reinforced ceramic roller | |
| US5170652A (en) | Planetary rolling mill | |
| RU2006140948A (en) | METHOD FOR PRODUCING SEAMLESS HOT-ROLLED PIPES | |
| RU2378063C1 (en) | Mandrel of rotary piercer | |
| RU2311979C1 (en) | Method for producing hot rolled commercial and conversion tubes of large and mean diameters of hard-to-form steels and alloys in tube rolling plants with pilger mills | |
| CN103552906B (en) | A kind of two roll handling apparatus that are suitable for multi-roll mill | |
| CN112458273A (en) | Heating method of wear-resistant steel casting blank for agricultural machinery | |
| CN101920263B (en) | Method for producing medium and small aperture seamless steel tube by reducing and rolling hollow continuous cast tube blank | |
| CN201020474Y (en) | Composite roller used for welded steel tube and cold bending sectional steel | |
| CN206897531U (en) | A kind of discharge end can realize double slide shoe bearing barrel body of tube mill of heat blocking | |
| CN216175368U (en) | Pinch roll between water-cooling after rolling | |
| EP0068814A1 (en) | A bow-type continuous-casting method and apparatus | |
| CN101007323A (en) | Oblique wedge type barrel arbor decoiler on flying shear line | |
| CN2259224Y (en) | Damping noise-reducing combined roller | |
| CN216937719U (en) | Hot-rolled section steel cold bed input roller way | |
| CN211371515U (en) | Seamless steel tube of mechanical structure of machine | |
| CN216461380U (en) | Forming device of high strength boundary beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Fogg Electric Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000231 Denomination of utility model: A cement rotary kiln with two supports Granted publication date: 20200110 License type: Common License Record date: 20201120 Assignee: Anhui Arrow Electronics Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000233 Denomination of utility model: A cement rotary kiln with two supports Granted publication date: 20200110 License type: Common License Record date: 20201123 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211110 Address after: 239200 No. 28 Liming Road, Laian County Economic Development Zone, Chuzhou City, Anhui Province Patentee after: Chuzhou Monte tech Environmental Protection Technology Co.,Ltd. Address before: No. 159, Longpan Road, Nanjing, Jiangsu 210037 Patentee before: Nanjing Forestry University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 |