CN204187938U - A kind of energy-saving, environment-friendly and high-efficiency drying machine - Google Patents
A kind of energy-saving, environment-friendly and high-efficiency drying machine Download PDFInfo
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- CN204187938U CN204187938U CN201420540129.7U CN201420540129U CN204187938U CN 204187938 U CN204187938 U CN 204187938U CN 201420540129 U CN201420540129 U CN 201420540129U CN 204187938 U CN204187938 U CN 204187938U
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- heating chamber
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- material barrel
- insulation layer
- charge door
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Abstract
A kind of energy-saving, environment-friendly and high-efficiency drying machine, change heating cavity into half-packaging by the heating of original circle entirety to heat, media for heat exchange spatial concentration there is material region, avoid the dispersant of heat medium to evaporation or the Repeat-heating of diluent, reduce the energy resource consumption that condensation is reclaimed, make recovery section vacuum high, reduce the burden of vavuum pump, raise the efficiency.Heating tube is heated 4 heating changing Lower Half into by top, what shunting guiding heat exchanger plates made homogeneous media flows to heating chamber everywhere, make Energy distribution more even, heat exchange is more abundant, and the heat avoiding convection current and internal structure problem to cause rises and skewness phenomenon.Heat exchange efficiency increases, and the steam pressure used lowers 25%, and the heat time decreases 20%, and can reach original result of use, energy conservation is no less than 30%.Cooling recovery cooling water flow reduces 20%, reclaims used time minimizing 25%, can reach original effect.
Description
Technical field
The utility model relates to a kind of drying machine, particularly relates to a kind of energy-saving, environment-friendly and high-efficiency drying machine.
Background technology
Conventional dryer is heated to be top heating, and bottom is condensed water outlet, adds that vapours rises, and cause high-temperature region to produce at drying machine top, and time dry, material major part situation can only account for about 1/2 of material cavity volume, heat transfer effect is poor, and capacity usage ratio is low.Owing to being top heating, repeat to be heated after dispersant or diluent evaporates, cooler is very large by cooling water flow demand, and considerably increase condensation and reclaim burden, energy waste is serious.Even if the follow-up cooling of slurry, dispersant reclaims also more difficult, needs a large amount of cooling water, and increase cooling heat exchanger area, low vacuum, evaporation effect weakens.Heating chamber overcoat and material barrel only have pad to be connected, and do not have other connection and comes into heat transferring contact, and heating chamber overcoat heat transfer effect can not be delivered to material barrel and carry out heat exchange to material, and heat exchange efficiency is low, greatly waste medium and heat-exchange time.The thermograde of heating chamber overcoat and external environment is very high, and energy loss is serious.After end to be heated, adopt the method for nature cooling, very time-consuming, output is subject to great restriction.Part adopts the equipment that passes into cooling agent to be subject to the repeated stock of suddenly cold and hot due to equipment, and equipment in use for some time structural strength is impaired, and service life is shorter.
Summary of the invention
For existing drying machine Problems existing, the utility model provides a kind of heat energy more concentrated, and vacuum is higher, and evaporimeter usefulness is better, greatly reduces condensation and reclaims burden, and rate of drying is faster, the drying machine of solvent recovery energy-conserving and environment-protective more completely.
Solving the problems of the technologies described above taked concrete technical measures is:
A kind of energy-saving, environment-friendly and high-efficiency drying machine, it is characterized in that: end cap 18 is equipped with at the two ends above having the material barrel 4 of charge door 1 and feed opening 11, heating chamber overcoat 6 and the first half of material barrel 4 except top are connected to form heating chamber 7, shunting guiding heat exchanger plates 9 is placed in heating chamber 7 and is connected with material barrel 4 and heating chamber overcoat 6 respectively, reinforced company's fishplate bar 8 is connected with heating chamber overcoat 6 and material barrel 4, charge door 1 is provided with charge door valve 2, feed opening 11 is provided with feed opening valve 12, charge door 1 is communicated with material cavity 5 with material barrel 4 through heat-insulation layer 3, charge door 1 is connected with heat-insulation layer 3 and material barrel 4, feed opening 11 is communicated with material cavity 5 through material barrel 4, feed opening 11 is communicated with material barrel 4, medium tube 10 is provided with heat-insulation layer 3 and heating chamber overcoat 6, four medium tube 10 are inserted into the both sides of Lower Half in heating chamber 7 through heat-insulation layer 3 and heating chamber overcoat 6, blast pipe 13 is through heat-insulation layer 3, reinforced company's fishplate bar 8 and heating chamber overcoat 6 are communicated with heating chamber 7, blast pipe 13 respectively with heat-insulation layer 3, reinforced company's fishplate bar 8 and heating chamber overcoat 6 connect, blast pipe 13 is provided with air bleeding valve 14, drainpipe 23 is communicated with heating chamber 7 with heating chamber overcoat 6 through heat-insulation layer 3, drainpipe 23 is connected with heat-insulation layer 3 and heating chamber overcoat 6 respectively, drainpipe 23 is provided with drain stop valve 24, the outer wall that heat-insulation layer 3 covers whole cylindrical shell respectively with charge door 1, material barrel 4, heating chamber overcoat 6, reinforced company's fishplate bar 8, medium tube 10, feed opening 11, blast pipe 13 and drainpipe 23 connect, end cap 18 is connected with bearing bracket stand 22, bearing 21 is placed in bearing bracket stand 22, between end cap 18 and main shaft 15 and airtight and watertight padding gland 20, airtight and watertight padding 19 is housed, airtight and watertight padding gland 20 is connected with end cap 18, main shaft 15 is connected with bearing 21, mixing rake teeth 16 is connected with main shaft 15, knock in thick stick 17 is placed in material barrel 4 and two groups of mixing rake teeths 16 and material barrel 4 are formed space, steam pipework 25, compressed air line 27, cooling water pipeline 29 is connected with medium tube 10 respectively, steam pipework 25 is provided with steam stop 26, compressed air line 27 is provided with compressed air stop valve 28, cooling water pipeline 29 is provided with cooling water stop valve 30, reclaim tube connector 31 by charge door 1 by material cavity 5, condenser 32, recovery storage tank 33 and vavuum pump 34 are serially connected, reclaim tube connector 31 and charge door 1, condenser 32, recovery storage tank 33 and vavuum pump 34 connect, main shaft 15 is connected with shaft coupling 35, shaft coupling 35 is connected with reductor 36, reductor 36 is connected with drive motors 37.
the beneficial effects of the utility model:
1, the utility model changes heating cavity into half-packaging heating chamber by the overall heating chamber of original circle, media for heat exchange spatial concentration there is material region, avoid the dispersant of heat medium to evaporation or the Repeat-heating of diluent, avoid dispersant or diluent evaporates temperature is too high, thus reduce the energy resource consumption of condensation recovery, make recovery section vacuum high, reduce the burden of vavuum pump, raise the efficiency.Owing to avoiding heat medium to be imported by top, the medium after avoiding evaporating repeats to be heated, and cooler cooling water flow demand significantly reduces, and greatly reduces condensation and reclaims burden, economize energy.Cooling recovery cooling water flow reduces 20%, reclaims used time minimizing 25% and can reach original effect, greatly save the electricity consumption of freezing unit.
2, heat medium is imported by top and changes Lower Half 4 importing into, what shunting guiding heat exchanger plates made homogeneous media flows to heating chamber everywhere, make Energy distribution more even, heat exchange is more abundant, and the heat avoiding convection current and internal structure problem to cause rises and skewness phenomenon.Make heat exchange area increase, shunting guiding heat exchanger plates is connected with material barrel simultaneously, and heat exchange area increases 1 times simultaneously, by the heat transfer effect fairlead barrel of original heating chamber overcoat, increase the heat exchange amount to material, heat exchange efficiency is higher, greatly saves consumption and the heat-exchange time of medium.Reduce the thermograde of heating chamber overcoat and external environment, reduce thermal loss.Shunting guiding heat exchanger plates carries out anatomical connectivity with material barrel and heating chamber overcoat simultaneously, and the equipment intensity of adding can tolerate the thermal deformation impact that heat exchange causes.Because heat exchange efficiency increases, the steam pressure used lowers 25%, and the heat time decreases 20%, and can reach original result of use, energy conservation is no less than 30%.
3, tank body integral heat insulation, top utilizes material barrel heat conduction and heat-insulation layer insulation to ensure medium not condensation.Owing to avoiding from top heating, the medium after avoiding evaporating repeats to be heated, and cooler cooling water flow demand significantly reduces, and greatly reduces condensation and reclaims burden, economize energy.
4, adopt the type of cooling of the air-cooled rear water-cooled of single flow, improve cooling velocity, ensure drop temperature, raise the efficiency, reduce the equipment operation time, improve output, ensure the quality of products.Utilizing pressurized air impinges to inhale normal temperature air carries out air-cooled, after being cooled to uniform temperature, then adopts cold water accelerating cooling effect, strictly controls drop temperature.Simultaneously owing to adopting secondary cooling scheme, prevent the tank structure that causes due to the cold and hot distortion of suddenly cold and hot impaired to greatest extent.Carry out anatomical connectivity with material barrel and heating chamber overcoat with the use of guiding heat exchanger plates, the equipment intensity of adding can tolerate the thermal deformation impact that heat exchange causes, and both set substantially increase the service life of equipment simultaneously.Have employed the mode of cooling step by step and active cooling combination, make reduce 35% cool time, production capacity improves 40%, and economic benefit significantly increases.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the D-D sectional view of Fig. 1;
Fig. 4 is the E-E sectional view of Fig. 1;
Fig. 5 is the B-B sectional view of Fig. 2;
Fig. 6 is the C-C sectional view of Fig. 2;
Fig. 7 is the structural representation of shunting guiding heat exchanger plates in the utility model.
In figure: charge door 1, charge door valve 2, heat-insulation layer 3, material barrel 4, material cavity 5, heating chamber overcoat 6, heating chamber 7, reinforced company's fishplate bar 8, shunting guiding heat exchanger plates 9, medium tube 10, feed opening 11, feed opening valve 12, blast pipe 13, air bleeding valve 14, main shaft 15, mixing rake teeth 16, knock thick stick 17, end cap 18, airtight and watertight padding 19, airtight and watertight padding gland 20, bearing 21, bearing bracket stand 22, drainpipe 23, drain stop valve 24, steam pipework 25, steam stop 26, compressed air line 27, compressed air stop valve 28, cooling water pipeline 29, cooling water stop valve 30, reclaim tube connector 31, condenser 32, reclaim storage tank 33, vavuum pump 34, shaft coupling 35, reductor 36, drive motors 37.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further details.
A kind of energy-saving, environment-friendly and high-efficiency drying machine, as shown in Figures 1 to 7, on have a material barrel 4 of charge door 1 and feed opening 11 two ends end cap 18 is housed, heating chamber overcoat 6 and the first half of material barrel 4 except top are connected to form heating chamber 7, shunting guiding heat exchanger plates 9 to be placed in heating chamber 7 respectively with material barrel, 4 are connected with heating chamber overcoat 6, reinforced company's fishplate bar 8 is connected with heating chamber overcoat 6 and material barrel 4, in the utility model, heating chamber overcoat 6 is only connected to the first half of material barrel 4, do not form the heating chamber of whole material cylindrical shell, the top of material barrel does not have heating cavity, only be incubated with insulation material, heating cavity is changed into half-packaging heating chamber by the overall heating chamber of original circle, media for heat exchange spatial concentration is having material region, avoid heat medium to the dispersant of evaporation or the Repeat-heating of diluent and dispersant or diluent evaporates temperature too high, thus reduce the energy resource consumption of condensation recovery, make recovery section vacuum high, reduce the burden of vavuum pump, raise the efficiency.Tank body integral heat insulation, top utilizes material barrel 4 heat conduction and heat-insulation layer insulation, ensures medium not condensation.Owing to avoiding from top heating, the medium after avoiding evaporating repeats to be heated, and cooler cooling water flow demand significantly reduces, and greatly reduces condensation and reclaims burden, economize energy.Charge door 1 is provided with charge door valve 2, feed opening 11 is provided with feed opening valve 12, charge door 1 is communicated with material cavity 5 with material barrel 4 through heat-insulation layer 3, charge door 1 is connected with heat-insulation layer 3 and material barrel 4, feed opening 11 is communicated with material cavity 5 through material barrel 4, feed opening 11 is connected with material barrel 4, medium tube 10 is provided with heat-insulation layer 3 and heating chamber overcoat 6, four medium tube 10 are inserted into the both sides of Lower Half in heating chamber 7 through heat-insulation layer 3 and heating chamber overcoat 6, blast pipe 13 is through heat-insulation layer 3, reinforced company's fishplate bar 8 and heating chamber overcoat 6 are communicated with heating chamber 7, blast pipe 13 respectively with heat-insulation layer 3, reinforced company's fishplate bar 8 and heating chamber overcoat 6 connect, blast pipe 13 is provided with air bleeding valve 14, owing to respectively inserting two medium tube 10 in heating chamber 7 from the both sides of heating chamber 7 Lower Half, heat medium is made to be imported 4 importings changing Lower Half into by top, heat medium can be avoided to be imported by top, media for heat exchange is completed in heating chamber bottom, medium after avoiding evaporating repeats to be heated, cooler cooling water flow demand significantly reduces, greatly reduce condensation and reclaim burden, economize energy.Cooling recovery cooling water flow reduces 20%, reclaims used time minimizing 25% and can reach original effect, greatly save the electricity consumption of freezing unit.What shunting guiding heat exchanger plates 9 made homogeneous media flows to heating chamber everywhere, and make Energy distribution more even, heat exchange is more abundant, and the heat avoiding convection current and internal structure problem to cause rises and skewness phenomenon.Make heat exchange area increase, shunting guiding heat exchanger plates 9 is connected with material barrel 4 simultaneously, and heat exchange area increases 1 times simultaneously, the heat transfer effect of original heating chamber overcoat 6 is delivered to material barrel 4, increase the heat exchange amount to material, heat exchange efficiency is higher, greatly saves consumption and the heat-exchange time of medium.Reduce heating chamber overcoat 6 and the thermograde of external environment, reduce thermal loss.Shunting guiding heat exchanger plates 9 is connected with material barrel 4 and heating chamber overcoat 7 simultaneously, and the equipment intensity of adding can tolerate the thermal deformation impact that heat exchange causes.Because heat exchange efficiency increases, the steam pressure used lowers 25%, and the heat time decreases 20%, and can reach original result of use, energy conservation is no less than 30%.Drainpipe 23 is communicated with heating chamber 7 with heating chamber overcoat 6 through heat-insulation layer 3, drainpipe 23 is connected with heat-insulation layer 3 and heating chamber overcoat 6 respectively, drainpipe 23 is provided with drain stop valve 24, the outer wall that heat-insulation layer 3 covers whole cylindrical shell respectively with charge door 1, material barrel 4, heating chamber overcoat 6, reinforced company's fishplate bar 8, medium tube 10, feed opening 11, blast pipe 13 and drainpipe 23 connect, end cap 18 is connected with bearing bracket stand 22, bearing 21 is placed in bearing bracket stand 22, airtight and watertight padding 19 is provided with between end cap 18 and main shaft 15 and airtight and watertight padding gland 20, airtight and watertight padding gland 20 is connected with end cap 18, main shaft 15 is connected with bearing 21, mixing rake teeth 16 is connected with main shaft 15, knock in thick stick 17 is placed in material barrel 4 and two groups of mixing rake teeths 16 and material barrel 4 are formed space, steam pipework 25, compressed air line 27, cooling water pipeline 29 is connected with medium tube 10 respectively, steam pipework 25 is provided with steam stop 26, compressed air line 27 is provided with compressed air stop valve 28, cooling water pipeline 29 is provided with cooling water stop valve 30, drainpipe 23 is communicated with heating chamber 7 with heating chamber overcoat 6 through heat-insulation layer 3, drainpipe 23 is connected with heat-insulation layer 3 and heating chamber overcoat 6 respectively, drainpipe 23 is provided with drain stop valve 24, the outer wall that heat-insulation layer 3 covers whole cylindrical shell respectively with charge door 1, material barrel 4, heating chamber overcoat 6, reinforced company's fishplate bar 8, medium tube 10, feed opening 11, blast pipe 13 and drainpipe 23 connect, end cap 18 is connected with bearing bracket stand 22, bearing 21 is placed in bearing bracket stand 22, airtight and watertight padding 19 is provided with between end cap 18 and main shaft 15 and airtight and watertight padding gland 20, airtight and watertight padding gland 20 is connected with end cap 18, main shaft 15 is connected with bearing 21, mixing rake teeth 16 is connected with main shaft 15, knock in thick stick 17 is placed in material barrel 4 and two groups of mixing rake teeths 16 and material barrel 4 are formed space, steam pipework 25, compressed air line 27, cooling water pipeline 29 is connected with medium tube 10 respectively, steam pipework 25 is provided with steam stop 26, compressed air line 27 is provided with compressed air stop valve 28, cooling water pipeline 29 is provided with cooling water stop valve 30, reclaim tube connector 31 by charge door 1 by material cavity 5, condenser 32, recovery storage tank 33 and vavuum pump 34 are serially connected, reclaim tube connector 31 and charge door 1, condenser 32, recovery storage tank 33 and vavuum pump 34 connect, main shaft 15 is connected with shaft coupling 35, shaft coupling 35 is connected with reductor 36, reductor 36 is connected with drive motors 37.The utility model adopts the type of cooling of the air-cooled rear water-cooled of single flow, compressed air enters heating chamber from medium tube, directly discharge from drainpipe after heat exchange, after predetermined temperature to be achieved, pass into cooling water by medium tube to cool material, abandon the inefficiency of primitive nature cooling, damage can not have been caused to because of quenching to equipment simultaneously.Improve cooling velocity, ensure drop temperature, raise the efficiency, reduce the equipment operation time, improve output, ensure the quality of products.Utilizing pressurized air impinges to inhale normal temperature air carries out air-cooled, after being cooled to uniform temperature, then adopts cold water accelerating cooling effect, strictly controls drop temperature.Simultaneously owing to adopting secondary cooling scheme, prevent the tank structure that causes due to the cold and hot distortion of suddenly cold and hot impaired to greatest extent.Carry out anatomical connectivity with material barrel and heating chamber overcoat with the use of shunting guiding heat exchanger plates, the equipment intensity of adding can tolerate the thermal deformation impact that heat exchange causes simultaneously.Both set substantially increase the service life of equipment.Have employed the mode of cooling step by step and active cooling combination, make reduce 35% cool time, production capacity improves 40%, and economic benefit significantly increases.
When the utility model uses, material adds from charge door 1, closes charge door valve 2, starts main shaft 15 drive mixing rake teeth 16 and knock thick stick 17 to start to stir material.Open vavuum pump 34, dispersant is flowed into solvent recovery storage tank 32 reclaimed by recovery tube connector 30, condenser 31.Open steam stop 26, vapours enters heating chamber 7 pairs of materials by medium tube 10 and heats, and interruption is opened drain stop valve 24 and discharged condensed water.After recovery levels to be achieved, close vavuum pump 34 and condenser 31, complete recovery.When carrying out cooling down operation, steam off stop valve 26, stops logical steam, open air cutoff valve 28, standard-sized sheet drain stop valve 24, air enters heating chamber 7 and carries out cooling heat transferring, reach predetermined temperature, close air cutoff valve 28, close drain stop valve 24, open air bleeding valve 14, open cooling water stop valve 30, be filled with the cooling of appropriate cold water, close cooling water stop valve 30, chilling temperature to be achieved opens air bleeding valve 14, opens drain stop valve 24 draining.According to cooling actual conditions, water quench operation can be carried out repeatedly.Open feed opening valve 12 from feed opening 11 blanking, after blanking completes, close feed opening valve 12, stop main axis, complete primary drying operation.
Claims (1)
1. an energy-saving, environment-friendly and high-efficiency drying machine, it is characterized in that: end cap (18) is equipped with at the two ends above having the material barrel (4) of charge door (1) and feed opening (11), heating chamber overcoat (6) and material barrel (4) first half except top are connected to form heating chamber (7), shunting guiding heat exchanger plates (9) is placed in heating chamber (7) and is connected with material barrel (4) and heating chamber overcoat (6) respectively, reinforced company's fishplate bar (8) is connected with heating chamber overcoat (6) and material barrel (4), charge door (1) is provided with charge door valve (2), feed opening (11) is provided with feed opening valve (12), charge door (1) is communicated with material cavity (5) with material barrel (4) through heat-insulation layer (3), charge door (1) is connected with heat-insulation layer (3) and material barrel (4), feed opening (11) is communicated with material cavity (5) through material barrel (4), feed opening 11 is communicated with material barrel 4, medium tube (10) is provided with heat-insulation layer (3) and heating chamber overcoat (6), four medium tube (10) are inserted into the both sides of heating chamber (7) interior Lower Half through heat-insulation layer (3) and heating chamber overcoat (6), blast pipe (13) is through heat-insulation layer (3), reinforced company's fishplate bar (8) and heating chamber overcoat (6) are communicated with heating chamber (7), blast pipe (13) respectively with heat-insulation layer (3), reinforced company's fishplate bar (8) and heating chamber overcoat (6) connect, blast pipe (13) is provided with air bleeding valve (14), drainpipe (23) is communicated with heating chamber (7) with heating chamber overcoat (6) through heat-insulation layer (3), drainpipe (23) is connected with heat-insulation layer (3) and heating chamber overcoat (6) respectively, drainpipe (23) is provided with drain stop valve (24), the outer wall that heat-insulation layer (3) covers whole cylindrical shell respectively with charge door (1), material barrel (4), heating chamber overcoat (6), reinforced company's fishplate bar (8), medium tube (10), feed opening (11), blast pipe (13) and drainpipe (23) connect, end cap (18) is connected with bearing bracket stand (22), bearing (21) is placed in bearing bracket stand (22), between end cap (18) and main shaft (15) and airtight and watertight padding gland (20), airtight and watertight padding (19) is housed, airtight and watertight padding gland (20) is connected with end cap (18), main shaft (15) is connected with bearing (21), mixing rake teeth (16) is connected with main shaft (15), knock in thick stick (17) is placed in material barrel (4) and two groups of mixing rake teeth (16) and material barrel (4) are formed space, steam pipework (25), compressed air line (27) is connected with medium tube (10) respectively with cooling water pipeline (29), steam pipework (25) is provided with steam stop (26), compressed air line (27) is provided with compressed air stop valve (28), cooling water pipeline (29) is provided with cooling water stop valve (30), reclaim tube connector (31) by charge door (1) by material cavity (5), condenser (32), recovery storage tank (33) and vavuum pump (34) are serially connected, reclaim tube connector (31) and charge door (1), condenser (32), reclaim storage tank (33) and vavuum pump (34) connection, main shaft (15) is connected with shaft coupling (35), shaft coupling (35) is connected with reductor (36), reductor (36) is connected with drive motors (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540129.7U CN204187938U (en) | 2014-09-19 | 2014-09-19 | A kind of energy-saving, environment-friendly and high-efficiency drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540129.7U CN204187938U (en) | 2014-09-19 | 2014-09-19 | A kind of energy-saving, environment-friendly and high-efficiency drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204187938U true CN204187938U (en) | 2015-03-04 |
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ID=52619927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420540129.7U Withdrawn - After Issue CN204187938U (en) | 2014-09-19 | 2014-09-19 | A kind of energy-saving, environment-friendly and high-efficiency drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204187938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197662A (en) * | 2014-09-19 | 2014-12-10 | 河北力通能源科技有限公司 | Energy-saving environment-friendly efficient dryer |
-
2014
- 2014-09-19 CN CN201420540129.7U patent/CN204187938U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197662A (en) * | 2014-09-19 | 2014-12-10 | 河北力通能源科技有限公司 | Energy-saving environment-friendly efficient dryer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150304 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |