CN201032353Y - Rotary type inorganic ceramic pigment calcining kiln - Google Patents
Rotary type inorganic ceramic pigment calcining kiln Download PDFInfo
- Publication number
- CN201032353Y CN201032353Y CNU2007200023865U CN200720002386U CN201032353Y CN 201032353 Y CN201032353 Y CN 201032353Y CN U2007200023865 U CNU2007200023865 U CN U2007200023865U CN 200720002386 U CN200720002386 U CN 200720002386U CN 201032353 Y CN201032353 Y CN 201032353Y
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- cylinder
- calcining kiln
- rotary
- inorganic ceramic
- colorant
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Abstract
The utility model discloses a calcining kiln of inorganic ceramic pigment with a rotary type, which comprises a roller, a drive mechanism, a supporting mechanism, a combustion system, a fume extractor, a feeding mechanism, a drawing mechanism, a measuring system, etc., wherein, the roller is formed by bending of armor plates, a asbestos plate layer, a porzite layer and a high alumina layer are arranged inwards in sequence; an inner wall is cemented with a plurality of reversing plates. The calcining kiln gets rid of a carrier of the pigment so as to cause heat from fuel combustion to directly bake the pigment, thereby avoiding heat waste of the carrier, improving utilization ratio of the fuel and reducing the fuel consumption.
Description
Technical field
The utility model relates to a kind of inorganic ceramic colorant calcining kiln, a kind of more precisely rotary inorganic ceramic colorant calcining kiln.
Background technology
The manufacturer that produces the inorganic ceramic colorant mostly burns till with roller kilns at present, its structure as shown in Figure 1, by advancing kiln machine 1, roller kilns 2, kiln discharge machine 3, return printed line 4, relay air blower 5, platform 6, cyclone dust collectors 7, water scrubber 8, chimney 9 equipment such as grade are formed, main fuel is a liquefied gas, technological process is: saggar is gone in hand charging, and---saggar is put on refractory slab---moves on the kiln roller rod that------salband---unloads saggar---and pours out colorant in the saggar kiln preheating zone clinkering zone, colorant loads through the saggar of manually packing into, saggar is upside down on the refractory slab, refractory slab moves on the ceramic rod of roller kilns, through the preheating zone, clinkering zone, burn till continuously behind the salband, because the firing mode of colorant is through saggar, the refractory slab indirect, heat is by saggar and refractory slab barrier in the process of burning till, this has caused heat is the waste of fuel, and 20 tons of colorants of every production just will consume about 2400 degree electric energy and 4000kg liquefied gas.
The utility model content
At the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of rotary inorganic ceramic colorant calcining kiln.This calcining kiln has removed the loading body of colorant, thereby allows the heat of fuel combustion directly colorant be burnt till, and can avoid loading the heat waste of body, improves the utilization rate of fuel, reduces the consumption of fuel.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of rotary inorganic ceramic colorant calcining kiln, comprise cylinder, transmission and supporting mechanism, combustion system and fume extractor, charging mechanism, drawing mechanism and measuring system, described cylinder is rolled by steel plate and forms, inwardly be lined with asbestos flaggy, mullite layer and high aluminium lamination successively, inwall is built the multiple tracks material rotating plate, described transmission and supporting mechanism comprise support rolling ring, driving cog wheel rim, reductor, variable-frequency motor, cylinder supports rolling ring by former and later two and supports, cylinder outer wall is inlayed the driving cog wheel rim, is driven by reductor, variable-frequency motor; Described combustion system and fume extractor comprise fuel burner nozzle, high pressure positive blower, cooling jacket and smoke evacuation chimney or blower fan, fuel burner nozzle is fixedly supported on the inwall of cylinder discharge end, high pressure positive blower provides combustion air, and cooling jacket and smoke evacuation chimney or blower fan are arranged on the top of cylinder feed end feeding device; Described measuring system comprises temperature element, digital display meter, instrument cabinet, and instrument cabinet is provided with nearby in kiln next door, and digital display meter is installed in it, and temperature element is sent to digital display meter in the instrument cabinet by compensating wire with measuring-signal; Described charging mechanism comprises loading hopper and screw feeder machine, which is provided with roller tube between the material filling type hermetically-sealed construction that cooperates; Described drawing mechanism is located at the cylinder rear end, which is provided with cylindrical shell between the material filling type hermetically-sealed construction that cooperates, end face is provided with burner and peep hole.
Described drawing mechanism is provided with the flashboard of control load in the bottom.
Cooling screw is equipped with in described drawing mechanism bottom, is connected by discharge nozzle between the two, and the feeding of cooling screw internal helicoid, outer wall belt recirculated water cooling cover cooling material, the cooling screw liner is a stainless steel.
Be provided with 3 partition points for measuring temperature in the described roller tube, temperature element comprises two S type thermocouples and a K type thermocouple, by the digital display meter displays temperature in the instrument cabinet, the flue of smoke evacuation chimney or blower fan is provided with a bimetallic thermometer, the on-the-spot flue-gas temperature that shows.
Also be provided with the gauge tap and the low-voltage electrical apparatus of motor, combustion fan, screw(-type) feeder, cooling screw in the described instrument cabinet.
Described cylinder is selected for use boiler plate to roll and is formed.
The masonry thickness of described cylinder is 300～400mm, and the cylinder external diameter is φ 1200～1300mm, and internal diameter is φ 500～600mm, and wall thickness is 10～18mm.
The masonry thickness of described cylinder is 345mm, and the cylinder external diameter is φ 1272mm, internal diameter φ 550mm, wall thickness 14mm.
Described cylinder adopts in rolling ring support place strengthens compound cylindrical shell, and the high temperature section cylinder outer wall adopts the alumina silicate fibre blanket insulation.
Described power of motor is 9～13kw, and drum rotation speed is variable-frequency stepless speed-regulating in the 0.5-3r/min scope.
Described cylinder design setting angle is 1.5 °.
Technological process of the present utility model is: loading hopper, and---the revolution roller burns till---discharge nozzle---cooling screw---hopper, colorant enters loading hopper through belt conveyor, send into revolving cylinder through self-conveyor feed, behind the bottom cover of revolving cylinder, be provided with fixedly fuel burner nozzle, fuel burner nozzle is sent into heat from the cylinder bottom, be provided with smoke evacuation chimney or exhaust blower at the revolving cylinder front end, it is poor that heat is taken out from the rear end toward the front end formation temperature, promptly form sintering curve, like this, the heat that burning produces just directly burns till the colorant in the revolving cylinder, can change the preceding line speed of colorant in cylindrical shell by the gradient of adjusting cylindrical shell and the rotating speed of cylindrical shell, promptly regulate firing period, by regulating gas quantity, the valve of combustion air volume and exhaust blower can be regulated temperature curve, and colorant burns till the back and enters cooling screw cooling by drawing mechanism and discharge nozzle in revolving cylinder, and colorant is in the spiral middle cooling that moves ahead, screw out feeder trough to proper temperature, so far colorant successfully burns till.
The utility model takes up room little, adopt automatic loading and unloading, fuel consumption is 50% of a former roller kilns firing mode, fuel and cost of labor have been reduced, removed the manual link of hand charging, under the prerequisite that does not increase cost of investment, can reduce burnup, cost of labor greatly, removed the continuous input that colorant loads easily-consumed products such as body saggar, refractory slab.
Description of drawings
Fig. 1 is the structural representation of existing roller kilns;
Fig. 2 is a flow sheet equipment layout drawing of the present utility model;
Fig. 3 is the schematic top plan view of Fig. 2;
Fig. 4 is the schematic diagram of combustion fan and airduct;
Fig. 5 is the schematic diagram of desulfurizing dust-collector;
Fig. 6 is the schematic diagram of multicyclone;
Fig. 7 is a structural representation of the present utility model;
Fig. 8 is the A-A view of Fig. 7;
Fig. 9 is that the B of Fig. 7 is to view.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Reference numeral is as follows:
1---advancing kiln machine 2---roller kilns
3---kiln discharge machines 4---return printed line
5---relay air blower 6---platform
7---cyclone dust collectors 8---water scrubber
9---chimney
11---bucket elevator 12---feed bin
13---screw machine 14---pelletizer
15---Z type elevator 16---ball feed bin
The moving sieve of 17---disk dispensers 18---roller
19---vibrations batcher 20---loading hopper
21---screw(-type) feeder 22---rotary kiln
23---discharge nozzle 24---cooling screw
25---feed bin 26---flue gas tube connector etc.
27---waste heat water jacket 28---smoke exhaust fan
29---multicyclone 30---waste gas tube connector
31---blower fan 32---desulfurizing dust-collector
33---stovepipe 34---high pressure positive blower
35---asbestos board 36---mullite
37---one-level high alumina 38---rotary kiln is installed gradient
39---smoke evacuation chimney 40---fixed support
41---supporting rolling ring 42---thermocouple
43---driving cog wheel rim 44---drawing mechanism
45---fuel burner nozzle 46---rolling ring support and basis
47---transmission bracket and basis 48---drive pinion
49---motor and speed reducer 50---peep hole
To shown in Figure 9, this combustion gas rotary furnace partly is made up of cylinder, transmission and supporting mechanism, combustion system and fume extractor, charging mechanism, drawing mechanism, measuring system etc. as Fig. 2, and existing division is as follows:
Cylinder: this cylinder selects for use boiler plate to roll, liner is the anti-peeling high aluminium brick, outer wall is a lightweight high alumina insulating brick, masonry thickness 345mm, heat-insulating property is better, and the anti-peeling high aluminium brick lining can satisfy the material requirement of high sintering temperature, the surface strength height, wearability and anti-strip are better, are built into six road material rotating plates with liner tile in the tube, make material turning even, reduce roasting time, energy-conservation, adopt in rolling ring support place in addition and strengthen compound cylindrical shell, satisfy requirement of strength, the cylinder external diameter is φ 1272mm, internal diameter φ 550mm, wall thickness 14mm, high temperature section cylinder outer wall adopt the alumina silicate fibre blanket insulation;
Transmission and supporting mechanism: cylinder supports rolling ring 41 by former and later two and supports, rolling ring is installed on the rolling ring support and basic 46, cylinder outer wall is inlayed driving cog wheel rim 43, drive by pinion 48 by the reductor, the variable-frequency motor 49 that are installed on the transmission bracket and basic 47, power of motor 11kw, drum rotation speed is variable-frequency stepless speed-regulating in the 0.5-3r/min scope, and the cylinder design setting angle is 1.5 °, changes cylinder slope 38 and rotating speed and can change the time of staying of material in cylinder;
Combustion system and fume extractor: the cylinder discharge end is provided with the special-purpose fuel burner nozzle 45 of a high speed rotary kiln, and be fixedly supported on the inwall, combustion air is provided by a high pressure positive blower 34 that is installed in discharging opening, flue gas flows to feed end from discharge end in stove, flue gas and waste gas are discharged by the feeding device top, through cooling jacket 27, discharge by smoke evacuation chimney 39 behind the air distribution.As Fig. 5, shown in Figure 6, smoke exhaust fan 28 is provided with multicyclone 29 and waste gas tube connector 30, and blower fan 31 is provided with desulfurizing dust-collector 32 and stovepipe 33, links together by the order of smoking to smoke evacuation;
Measuring system: fire box temperature adopts control automatically, be provided with 3 partition points for measuring temperature in the cylindrical shell, temperature element is three thermocouples 42, wherein two is S type thermocouple, another is a K type thermocouple, the smoke evacuation chimney is provided with a bimetallic thermometer, the on-the-spot flue-gas temperature that shows, and can regulate the air distribution valve according to showing, thermocouple 42 using compensation leads transmit signals to the instrument cabinet (not shown), three digital display meters that are used for displays temperature are installed in the instrument cabinet, a motor frequency conversion device and motor also are installed, combustion fan, screw(-type) feeder, equipment such as the gauge tap of cooling screw and low-voltage electrical apparatus, instrument cabinet is provided with nearby in the kiln next door;
Feeding device: the feed end of cylinder is provided with loading hopper 20 and screw(-type) feeder 21, all adopt stainless steel to make, avoid material to pollute, screw(-type) feeder 21 speed speed governing, loading hopper 20 feeds in raw material and can adopt hand stock of steel platform or belt feeder feed way, reinforced steel platform or belt feeder are provided for oneself by the user, screw(-type) feeder be provided with roller tube between the material filling type hermetically-sealed construction that cooperates;
Drawing mechanism: drawing mechanism 44 is located at the cylinder rear end, the employing stainless steel material is made, which is provided with cylindrical shell between the material filling type hermetically-sealed construction that cooperates, be provided with flashboard in the drawing mechanism bottom, be convenient to control discharging, a cooling screw 24 is equipped with in the drawing mechanism bottom, its internal helicoid feeding, outer wall belt recirculated water cooling cover cooling material, liner are stainless steel, be connected by discharge nozzle 23 with drawing mechanism 44, the cylinder end face is provided with burner 45 and peep hole 50, is convenient to observe at any time situation in the cylindrical shell.
The main technique technical parameter is as follows:
1. purposes: roasting colorant
2. cylinder external diameter: φ 1270mm
3. cylinder internal diameter: φ 550mm
4. drum length: 12 meters
5. kiln design temperature: 1350 ℃
6. material is used sintering temperature always: 1300 ℃
7. fuel: LPG
8. burner: one of 500,000 Kcal/hr
9. rotating cylinder inclination angle: mounted angle is 1-2 °, 1.5 ° at design inclination angle
10. rotating cylinder rotating speed: the frequency conversion of 0.5-3r/min scope is adjustable
11. heating pattern: interior heating
12. feed way: screw(-type) feeder feed
13. discharge method: axially discharging, the cooling of rotation cooler
14. fume exhausting type: chimney emission
15. temperature control method: control automatically
16. the kiln main body is with reference to external form: L*W*H 14700*1.50*2.4 rice
This equipment occupation space is little, adopt automatic loading and unloading, fuel consumption is 50% of a former roller kilns firing mode, fuel and cost of labor have been reduced, removed the manual link of hand charging,---the revolution roller burns till---discharge nozzle---cooling screw---hopper to colorant firing process flow process and being described below: loading hopper, as Fig. 2, shown in Figure 3, earlier raw material is sent into feed bin 12 by bucket elevator 11, pass through screw machine 13 then successively, pelletizer 14, Z type elevator 15 enters ball feed bin 16, again by disk dispenser 17, the moving sieve 18 of roller, vibrations batcher 19 is delivered to loading hopper 20, send into revolving cylinder through screw(-type) feeder 21, behind the bottom cover of revolving cylinder, be provided with fixedly fuel burner nozzle 45, fuel burner nozzle is sent into heat from the cylinder bottom, be provided with smoke evacuation chimney 39 at the revolving cylinder front end, it is poor that heat is taken out from the rear end toward the front end formation temperature, promptly form sintering curve, like this, the heat that burning produces directly burns till the colorant in the revolving cylinder, can change the preceding line speed of colorant in cylindrical shell by the gradient of adjusting roller tube and the rotating speed of cylindrical shell, promptly regulate firing period, by regulating gas quantity, the valve of combustion air volume and exhaust blower can be regulated temperature curve, colorant burns till the back and enters cooling screw 24 coolings by drawing mechanism and discharge nozzle in revolving cylinder, colorant is in the spiral middle cooling that moves ahead, screw out feed hopper 25 to proper temperature, so far colorant successfully burns till.
Design and develop the necessity and the economic implications of this rotary colorant calcining kiln:
1. floor space is little: factory building Space L * W*H=14700*1500*2400;
2. energy-saving and cost-reducing: 20 tons of colorants of every production, about 2040 degree of power consumption, liquefied gas 2000kg compare with original roller kilns firing mode, save 50% fuel;
3. automaticity height, remarkable benefit.
Effect and advantage that utility model is created: the calculating that colorant burns till cost is made up of fuel, power consumption, artificial, consumptive material.
1. fuel
Rotary colorant calcining kiln burnup 1300kcal/kg colorant, roller kilns burnup 2600kcal/kg colorant;
2. power consumption
Rotary colorant calcining kiln power consumption 102KWh/T colorant, roller kilns burnup 120KWh/T colorant;
3. artificial
Rotary colorant calcining kiln operative employee 2 people, discharging 1 people, totally 3 people;
Roller kilns operative employee 2 people, 2 people that feed, discharging 2 people return printed line and kiln hood and nurse 1 people, totally 7 people;
4. consumptive material
Rotary colorant calcining kiln has removed easily-consumed products such as saggar that roller kilns load colorant, refractory slab.
5. burn till cost calculation relatively
Unit: RMB
| Sequence number | The items of cost | Rotary kiln | Computational methods | The amount of money | Roller kilns | Computational methods | The amount of money |
| 1 | Fuel | 1300kc a1 | Consumption/calorific value * 6 yuan/kg | 0.73 | 2600kc a1 | Consumption/calorific value * 6 yuan/kg | 1.46 |
| 2 | Power consumption | 102KWh /T | Consumption * 0.65 yuan/KWh | 0.06 6 | 120KWh /T | Consumption * 0.65 yuan/KWh | 0.078 |
| 3 | Manually | 3 people/7T | Consumption * 1500 yuan/month | 0.01 71 | 7 people/20T | Consumption * 1500 yuan/month | 0.017 5 |
| 4 | Consumptive material | Do not need saggar, refractory slab | 0 | 18000 yuan/month | Consumption ÷ (20 * 1000) | 0.03 |
| Add up to | 0.81 31 | Add up to | 1.585 5 |
Average every kg colorant direct-type rotary kiln burns till cost and is: 0.8131 yuan/kg colorant;
Average every kg colorant indirect type roller kilns burn till cost and are: 1.5855 yuan/kg colorant.
More than rotary inorganic ceramic colorant calcining kiln provided by the utility model is described in detail; used specific case herein principle of the present utility model and embodiment have been done elaboration; the explanation of these embodiment just is used for helping to understand method of the present utility model and core concept thereof; simultaneously for one of ordinary skill in the art; according to thought of the present utility model; part in specific embodiments and applications all can change; no matter but on its shape or structure, do any variation; every have identical with a utility model or akin technical scheme, all within its protection domain.
Claims (10)
1. rotary inorganic ceramic colorant calcining kiln, it is characterized in that, comprise cylinder, transmission and supporting mechanism, combustion system and fume extractor, charging mechanism, drawing mechanism and measuring system, described cylinder is rolled by steel plate and forms, inwardly be lined with asbestos flaggy, mullite layer and high aluminium lamination successively, inwall is built the multiple tracks material rotating plate, described transmission and supporting mechanism comprise support rolling ring, driving cog wheel rim, reductor, variable-frequency motor, cylinder supports rolling ring by former and later two and supports, cylinder outer wall is inlayed the driving cog wheel rim, is driven by reductor, variable-frequency motor; Described combustion system and fume extractor comprise fuel burner nozzle, high pressure positive blower, cooling jacket and smoke evacuation chimney or blower fan, fuel burner nozzle is fixedly supported on the inwall of cylinder discharge end, high pressure positive blower provides combustion air, and cooling jacket and smoke evacuation chimney or blower fan are arranged on the top of cylinder feed end feeding device; Described measuring system comprises temperature element, digital display meter, instrument cabinet, and instrument cabinet is provided with nearby in kiln next door, and digital display meter is installed in it, and temperature element is sent to digital display meter in the instrument cabinet by compensating wire with measuring-signal; Described charging mechanism comprises loading hopper and screw feeder machine, which is provided with roller tube between the material filling type hermetically-sealed construction that cooperates; Described drawing mechanism is located at the cylinder rear end, which is provided with cylindrical shell between the material filling type hermetically-sealed construction that cooperates, end face is provided with burner and peep hole hole.
2. rotary inorganic ceramic colorant calcining kiln according to claim 1, it is characterized in that, be provided with 3 partition points for measuring temperature in the described roller tube, temperature element comprises two S type thermocouples and a K type thermocouple, by the digital display meter displays temperature in the instrument cabinet, the flue of smoke evacuation chimney or blower fan is provided with a bimetallic thermometer, the on-the-spot flue-gas temperature that shows.
3. rotary inorganic ceramic colorant calcining kiln according to claim 2 is characterized in that, also is provided with the gauge tap and the low-voltage electrical apparatus of motor, combustion fan, screw(-type) feeder, cooling screw in the described instrument cabinet.
4. rotary inorganic ceramic colorant calcining kiln according to claim 1 is characterized in that the masonry thickness of described cylinder is 300～400mm, and the cylinder external diameter is φ 1200～1300mm, internal diameter φ 500～600mm, wall thickness 10～18mm.
5. rotary inorganic ceramic colorant calcining kiln according to claim 4 is characterized in that the masonry thickness of described cylinder is 345mm, and the cylinder external diameter is φ 1272mm, internal diameter φ 550mm, wall thickness 14mm.
6. rotary inorganic ceramic colorant calcining kiln according to claim 1 is characterized in that, described cylinder adopts in rolling ring support place strengthens compound cylindrical shell, and the high temperature section cylinder outer wall adopts the alumina silicate fibre blanket insulation.
7. rotary inorganic ceramic colorant calcining kiln according to claim 1 is characterized in that described power of motor is 9～13kw, and drum rotation speed is variable-frequency stepless speed-regulating in the 0.5-3r/min scope.
8. rotary inorganic ceramic colorant calcining kiln according to claim 1 is characterized in that described cylinder design setting angle is 1.5 °.
9. rotary inorganic ceramic colorant calcining kiln according to claim 1 is characterized in that described cylinder is selected for use boiler plate to roll and formed, and described drawing mechanism is provided with the flashboard of control load in the bottom.
10. rotary inorganic ceramic colorant calcining kiln according to claim 1, it is characterized in that, cooling screw is equipped with in described drawing mechanism bottom, be connected by discharge nozzle between the two, the feeding of cooling screw internal helicoid, outer wall belt recirculated water cooling cover cooling material, the cooling screw liner is a stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200023865U CN201032353Y (en) | 2007-03-20 | 2007-03-20 | Rotary type inorganic ceramic pigment calcining kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200023865U CN201032353Y (en) | 2007-03-20 | 2007-03-20 | Rotary type inorganic ceramic pigment calcining kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201032353Y true CN201032353Y (en) | 2008-03-05 |
Family
ID=39164243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200023865U Expired - Lifetime CN201032353Y (en) | 2007-03-20 | 2007-03-20 | Rotary type inorganic ceramic pigment calcining kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201032353Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261831A (en) * | 2011-07-11 | 2011-11-30 | 王远大 | Air cooling device matched with drying equipment |
| CN106940137A (en) * | 2017-03-08 | 2017-07-11 | 醴陵市科兴实业有限公司 | Kiln for firing ceramics pigment |
| CN107957189A (en) * | 2017-12-26 | 2018-04-24 | 淄博焱德窑炉设备技术有限公司 | One kind swings kiln |
| CN110005810A (en) * | 2019-03-20 | 2019-07-12 | 西安交通大学 | A kind of High-temp. kiln dynamic seal structure |
-
2007
- 2007-03-20 CN CNU2007200023865U patent/CN201032353Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261831A (en) * | 2011-07-11 | 2011-11-30 | 王远大 | Air cooling device matched with drying equipment |
| CN106940137A (en) * | 2017-03-08 | 2017-07-11 | 醴陵市科兴实业有限公司 | Kiln for firing ceramics pigment |
| CN107957189A (en) * | 2017-12-26 | 2018-04-24 | 淄博焱德窑炉设备技术有限公司 | One kind swings kiln |
| CN110005810A (en) * | 2019-03-20 | 2019-07-12 | 西安交通大学 | A kind of High-temp. kiln dynamic seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG WANXING INORGANIC PIGMENTS CO.LTD. Free format text: FORMER OWNER: FOSHAN NANHAI WANXING MATERIAL TECHNOLOGY CO., LTD. Effective date: 20081024 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081024 Address after: Water flow village committee, Hainan District, Nanhai District, Guangdong, Foshan Province, China, post code: 528237 Patentee after: GuangDong WanXing Inorganic Dyestuff Co., Ltd. Address before: Guangdong Province, Foshan City Xinhai guanyaozhen Nanhai District East Industrial Park, zip code: 528237 Patentee before: Foshan Nanhai Wanxing Material Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080305 |
|
| CX01 | Expiry of patent term |